CN207798624U - A kind of haze window screening filter effect test device - Google Patents
A kind of haze window screening filter effect test device Download PDFInfo
- Publication number
- CN207798624U CN207798624U CN201820085663.1U CN201820085663U CN207798624U CN 207798624 U CN207798624 U CN 207798624U CN 201820085663 U CN201820085663 U CN 201820085663U CN 207798624 U CN207798624 U CN 207798624U
- Authority
- CN
- China
- Prior art keywords
- tubular body
- downstream
- upstream
- unit
- window screening
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of haze window screening filter effect test device and test method, the open ports connection of the larger port of diffusion part and tubular body, smaller port are air inlet；Clamping part is equipped in the middle part of tubular body, tubular body inner cavity is separated into the upstream space close to open ports and the downstream space far from open ports by clamping part for gripping test sample, test sample；Negative pressure unit is arranged in the one end of tubular body far from diffusion part, and negative pressure unit is connected to tubulose chamber body by first flowmeter；Tubular body is additionally provided with air pressure of the pressure gauge for detecting test sample both sides, and pressure gauge one end connects upstream space, other end connects downstream space.The advantage is that apparatus structure is simple, the control to a functional unit and digital independent by computer unit keep test process simple and convenient.Test device may be implemented solid aerosol, liquid aerosol, solid-liquid aerosol and mix three kinds of test modes, and solid-liquid aerosol mixed proportion is controllable.
Description
Technical field
The utility model is related to a kind of test device of filtering material more particularly to a kind of haze window screening filter effects
Test device.
Background technology
With the continuous development of China's industrialization degree, industrial smoke and vehicle exhaust etc. cause serious dirt to atmospheric environment
The environmental consciousness of dye, people is also increasingly stronger.Haze weather, PM2.5 become hot issue of people's attention, and PM2.5 can lead to
It crosses respiratory tract and enters alveolar, seriously endanger health.In haze weather, people dare not open a window it is ventilative, once windowing, fine grained
The harmful substances such as object easily enter interior, cause damages to health.With the pursuit to excellent air quality, haze
Window screening material is increasingly appearing in our life.The crowd of installation haze window screening is more and more at home, antifog
Haze window screening material is flowed as a kind of gas filtering material by air, and the particulate matter in air is retained down, and can be purified
The air quality of family.
Haze window screening material is more and more currently on the market, and declares the filtering fine particle energy for having high
It is even higher such as to reach 98% to the barriering efficiency of fine particle for power.But there is no measure haze window screening material in China at present
Expect the test device and test method of strainability, therefore the filter efficiency declared also is unable to get technical support.For market
The ability of the barrier particulate matter for the haze window screening material for improving quality very different can not be detected evaluation, can not be to difference
The filter effect of the haze window screening material of type is compared so that consumer can not select the window for really being able to haze
Yarn material.
Increasingly severe as haze weather is more and more, haze window screening material category and quantity in the market is also anxious
Increase severely more, the strainability of haze window screening material detects evaluation demand with increasing.Design corresponding filter effect test dress
It sets and test method, the strainability for evaluating haze window screening material, it appears more and more important.It is badly in need of corresponding test dress
It sets and test method, evaluation, different product performance comparison etc. is detected to haze window screening product in the market, help to produce
The exploitation of product.
Utility model content
In order to solve the above-mentioned problems of the prior art, the utility model aim is to provide a kind of simple in structure, easy
Replace test sample in installation, can simultaneously or selectivity carries out the haze window screening filter effect of solid-state/liquid aersol test
Test device.
A kind of haze window screening filter effect test device described in the utility model, which is characterized in that including：It opens on one side
Tubular body, the open tubaeform diffusion part in two sides, solid aerosol generator, the liquid aersol for offering inner cavity occur
Device, computer unit, upstream particle object concentration detector and downstream particulate object concentration detector；
The connection of the open ports of the larger port of the diffusion part and tubular body, smaller port are air inlet；It is described
Tubular body in the middle part of be equipped with clamping part, for gripping test sample, the test sample will manage the clamping part
Shape chamber body is separated into the upstream space close to open ports and the downstream space far from open ports；The tubular body is separate
Negative pressure unit is arranged in one end of diffusion part, and the negative pressure unit is connected to tubulose chamber body by first flowmeter；Described
Tubular body is additionally provided with pressure gauge for detecting the air pressures of test sample both sides, described pressure gauge one end connect upstream space,
Other end connects downstream space；
The solid aerosol generator concatenates heating unit, the first particle size cutter and electrostatic by pipeline
Air inlet is connected to after averager；After the liquid aersol generator concatenates the second particle size cutter by pipeline
It is connected to air inlet；The computer unit respectively with solid aerosol generator, liquid aersol generator, upstream particle
Object concentration detector and downstream particulate object concentration detector are electrically connected；The upstream particle object concentration detector passes through pipeline
Connect upstream space；The downstream particulate object concentration detector connects downstream space by pipeline.
Preferably, the connecting pipe of the solid aerosol generator and air inlet, liquid aersol generator with into
The connecting pipe of gas port, the upstream space of tubular body distinguish one group of aerosol concentration control unit of each setting；The gas is molten
Gum concentration control unit is used to monitor the aerosol concentration of point.
Preferably, the aerosol concentration control unit includes aspiration pump and second flowmeter；The aspiration pump string
It connects and monitoring point is accessed by tracheae after second flowmeter.
Preferably, the upstream space is equipped with dispersion orifice plate close to the position of diffusion part；The dispersion orifice plate and pipe
Shape ontology is vertical, disperses the internal face of the border seal connection tubulose chamber body of orifice plate；The dispersion orifice plate is uniformly distributed
Multiple through-holes, for keeping aerosol more uniform in the distribution of tubular body inner cavity.
Preferably, the haze window screening filter effect test device further includes upstream particle object concentration dilution unit,
The upstream particle object concentration dilution unit is set on the pipeline of upstream particle object concentration detector connection upstream space, on
Particle concentration dilution unit is swum to be electrically connected with computer unit.
Preferably, the haze window screening filter effect test device further includes downstream particulate object concentration dilution unit,
The downstream particulate object concentration dilution unit is set on the pipeline of downstream particulate object concentration detector connection downstream space, under
Particle concentration dilution unit is swum to be electrically connected with computer unit.
Preferably, the downstream space is equipped with downstream filter close to one end of negative pressure unit；The downstream filter
Device is vertical with tubular body, the internal face of the border seal connection tubulose chamber body of downstream filter.
Preferably, company of the air inlet in the connecting pipe and liquid aersol generator of solid aerosol generator
It is equipped with air inlet port between take over road, upstream filter is set in the air inlet port.
A kind of haze window screening filter effect test device described in the utility model, the advantage is that, apparatus structure letter
Single, the control to a functional unit and digital independent by computer unit keep test process simple and convenient.Solid-state may be implemented
Aerosol, liquid aerosol, solid-liquid aerosol mix three kinds of test modes, and solid-liquid aerosol mixed proportion is controllable.Test specimens
The installation and replacement of product are also very efficient and convenient, can replace test specimens in the state of not closing or restarting other functional units
Product are carried out continuously multiple batches of product testing.The exhaust gas of every strainability of complete detection test sample, discharge also passes through in advance
Efficient filtration treatment is crossed, is not polluted the environment.When test, the concentration of aerosol particle object is adjustable, may be used very high
Or very low aerosol particle object concentration of analog difference air quality, carry out the detection of haze window screening filter effect.Secondly gas is molten
The grain size of glue particulate matter is adjustable, is realized to grain by the first particle size cutter and/or the second particle size cutter
The aerosol particle object of diameter dispersion is detached, and aerosol particle object particle size and the distribution of needs are obtained.Disperse orifice plate
Being arranged keeps the distribution of aerosol particle object more uniform, keeps the test of test sample more accurate and reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model haze window screening filter effect test device.
Reference numeral：101- tubular bodies, 102- diffusion parts, 103- air inlets, 110- clamping parts, 111- test samples,
It is first-class that 120- disperses orifice plate, 131- downstream filters, 132- upstream filters, 140- pressure gauges, 151- negative pressure units, 152-
Gauge；210- solid aerosols generator, the first particle sizes of 220- cutter, 230- heating units, 240- electrostatic neutralize
Device；310- liquid aerosols generator, 320- the second particle size cutters；400- computer units；511- upstream particles
Object concentration detector, 512- upstream particle object concentration dilutions unit, 521- downstream particulate objects concentration detector, 522- downstream particulates
Object concentration dilution unit；600- aerosol concentrations control unit, 610- aspiration pumps, 620- second flowmeters.
Specific implementation mode
The present embodiment provides a kind of best embodiment, as shown in Figure 1, a kind of haze window screening filter effect test dress
It sets, includes mainly：Recording quantity is equipped with tubular body 101, the open tubaeform diffusion part 102 in two sides, the clamping part of inner cavity
110, disperse orifice plate 120, downstream filter 131, upstream filter 132, solid aerosol generator 210, the first particulate matter grain
Diameter cutter 220, heating unit 230, electrostatic charge neutralization 240, liquid aersol generator 310, the cutting of the second particle size
Device 320, computer unit 400, upstream particle object concentration detector 511, upstream particle object concentration dilution unit 512, downstream
Grain object concentration detector 521, downstream particulate object concentration dilution unit 522 and three groups of aerosol concentration control units 600.
The larger port of the diffusion part 102 is connect with the open ports of tubular body 101, smaller port is air inlet
103.101 middle part of tubular body is equipped with clamping part 110, and the clamping part 110 is for gripping test sample
111,101 inner cavity of tubular body is separated into close to the upstream space of open ports and far from open ports by the test sample 111
Downstream space.The clamping part 110 includes clamping frame body and fixed frame, grips 111 position of test sample and pastes
There is rubber material sealing strip, and carry supporting rod, can effectively grip test sample, guarantee is unlikely under the action of the wind
Moderate finite deformation is slipped and occurs, sample clamping frame is easy for installation and removal.
Negative pressure unit 151, the negative pressure unit 151 is arranged in the one end of the tubular body 101 far from diffusion part 102
It is connected to 101 inner cavity of tubular body by first flowmeter 152.Test device is set to form one by the setting of negative pressure unit 151
Negative pressure system so that air-flow steadily can measure haze window by test sample 111 by adjusting gas flow
Filter effect of the yarn material in different wind-force.The downstream space is equipped with downstream filter close to one end of negative pressure unit 151
Device 131；The downstream filter 131 is vertical with tubular body 101, and the border seal of downstream filter 131 connects tubulose sheet
The internal face of 101 inner cavity of body.Due to the gas Jing Guo test sample 111, still contain a small amount of aerosol, according to test sample
Depending on 111 filter effects.In order to free from environmental pollution, thus it is efficient in negative pressure unit 151 and the installation of 152 front end of first flowmeter
Downstream filter 131.So that the experimental gas being discharged into air is clean, air quality is not impacted, is not endangered
Experimenter's health.
The tubular body 101 is additionally provided with air pressure of the pressure gauge 140 for detecting 111 both sides of test sample, described
140 one end of pressure gauge connects upstream space, other end connects downstream space, and it is corresponding that test sample 111 can be calculated
Filtration resistance.The upstream space is equipped with dispersion orifice plate 120 close to the position of diffusion part 102.The dispersion orifice plate 120 with
Tubular body 101 is vertical, the internal face of 101 inner cavity of border seal connection tubular body of dispersion orifice plate 120.The dispersion hole
Plate 120 is uniformly distributed multiple through-holes, for keeping aerosol more uniform in the distribution of 101 inner cavity of tubular body.
The solid aerosol generator 210 concatenates heating unit 230, the first particle size cutter by pipeline
220 and electrostatic charge neutralization 240 after be connected to air inlet 103.The liquid aersol generator 310 concatenates second by pipeline
Air inlet 103 is connected to after particle size cutter 320.Company of the air inlet 103 in solid aerosol generator 210
It is equipped with air inlet port between take over road and the connecting pipe of liquid aersol generator 310, in the air inlet port
Upstream filter 132 is set；For filtering the air for entering inner cavity.Upstream filter 132 make into inner cavity air more
It is pure, so that the confidence level of detection data is further increased.The solid aerosol generator 210 is molten for generating solid gas
Glue may be used distilled water and villaumite, such as sodium chloride or potassium chloride etc., configure certain density chloride solution, pass through high pressure
Spraying generates solid aerosol.The liquid aersol generator 310 is used to generate the aerosol of liquid, and adjacent benzene may be used
The spraying of the reagents direct voltages such as diformazan dioctyl phthalate DOP, paraffin oil, Plexol 201 DEHS generates.When filtering test is situated between
When matter uses solid aerosol, the moisture contained to the particulate solid in solid aerosol using heating unit 230 is done
It is dry, obtain dry solid aerosol particulate matter, i.e. NaCl crystal or KCl crystal.Then by electrostatic charge neutralization 240 and solid-state
Electronics on aerosol particle object makes solid aerosol particulate matter that electroneutral be presented.The first particle size cutter
220 and second particle size cutter 320 can be to by solid aerosol generator 210 and liquid aersol generator 310
The particulate matter of the particle size range dispersion of generation carries out grain size cutting, obtains particulate matter size and the distribution of needs, for follow-up real
It tests.
The computer unit 400 respectively with solid aerosol generator 210, liquid aersol generator 310, upstream
Each functional unit such as particle concentration detector 511 and downstream particulate object concentration detector 521 is electrically connected, for reading each work(
It can the data of unit and the opening and closing of each functional unit of control.The upstream particle object concentration detector 511 is connected by pipeline
Upstream space is connect, the upstream particle object concentration dilution unit 512 is set in the connection of upstream particle object concentration detector 511
On the pipeline for swimming space, upstream particle object concentration dilution unit 512 is electrically connected with computer unit 400.The downstream
Grain object concentration detector 521 connects downstream space by pipeline, and the downstream particulate object concentration dilution unit 522 is set to down
It swims particle concentration detector 521 to connect on the pipeline of downstream space, downstream particulate object concentration dilution unit 522 and computer list
Member 400 is electrically connected.The upstream particle object concentration detector 511 and downstream particulate object concentration detector 521 select model
Unanimously, the instrument of detection particulate matter number concentration or particulate matter quality concentration can be selected, and passes through Concordance.It is described
The effect of upstream particle object concentration dilution unit 512 and downstream particulate object concentration dilution unit 522 be, when simulation is extremely dirty
When contaminating air, the concentration of possible aerosol particle object can exceed upstream particle object concentration detector 511 and downstream particulate object concentration
The normal work upper limit of detector 521.Therefore preposition two particle concentration dilution units progress concentration respectively is needed
Dilution, and dilution ratio is sent to computer unit 400.For example, computer unit 400 is 100 times receiving dilution ratio
When, the numerical value obtained from upstream particle object concentration detector 511 and downstream particulate object concentration detector 521 is carried out 100 times
Amplification carries out subsequent calculation processing again.
The connecting pipe of the solid aerosol generator 210 and air inlet 103, liquid aersol generator 310 with
The connecting pipe of air inlet 103, the upstream space of tubular body 101 distinguish one group of aerosol concentration control unit 600 of each setting；
The aerosol concentration control unit 600 is used to monitor the aerosol concentration of point.The aerosol concentration control is single
Member 600 includes aspiration pump 610 and second flowmeter 620；The aspiration pump 610 passes through tracheae after concatenating second flowmeter 620
Access monitoring point.It, can be dense to aerosol particle object required for experiment after above-mentioned three groups of aerosol concentration control units 600 are set
Degree is controlled.By aspiration pump 610 and second flowmeter 620 collocation use, respectively aerosol by position control liquid
Aerosol particle concentration or solid aerosol particle concentration, and the dense of the two is further controlled in upstream space
Degree.The case where being controlled by concentration, can simulating different air pollution degrees carries out the strainability inspection of haze window screening material
Test and appraisal valence.
The movement of entire haze window screening filter effect test device for convenience simultaneously, can be under tubular body 101
Multigroup universal wheel synkinesia is arranged in side.It can also claim before and after the test of external day equality weighing tool progress test sample 111
Weight obtains 111 corresponding dust containing capacity of test sample.
A kind of above-mentioned haze window screening filter effect test device can be utilized to realize corresponding test method, including with
Lower step：
S1, first according to test request, 2% NaCl or KCl solution is poured into solid aerosol generator 210, or will
The reagents such as the dioctyl phthalate DOP of presetting ratio, paraffin oil, Plexol 201 DEHS pour into liquid aersol hair
In raw device 310.The various running parameters of computer unit 400, such as sampling time are set.Computer unit 400 controls solid-state
The unlatching of aerosol generator 210 and/or liquid aersol generator 310 generates solid-state and/or liquid gas using high-pressure fog
Colloidal sol；Computer unit 400 controls negative pressure unit 151 and opens, and is carried out according to preset flow velocity and the numerical value of first flowmeter 152
Compare and real-time control negative pressure unit 151 power, make the gas containing aerosol according to scheduled flow velocity from upstream space to
Downstream space moves.Single or in proportion mixed aerosol are disperseed by the dispersion orifice plate 120 of inner cavity, including making it
It is evenly dispersed in chamber.
If S2, starting solid aerosol generator 210, computer unit 400 controls heating unit 230 and electrostatic neutralizes
Device 240 is opened；Make to enter the aerosol sufficiently dry and electroneutral in tubular body 101.If it is molten not start invented solid gas
Glue generator 210 is then directly entered in next step.
S3, computer unit 400 control the first particle size cutter 220 and/or the second particle size cutter
320 open, aerosol particle object grain size of the control into 101 inner cavity of tubular body.
S4, test sample 111 is cut into predetermined size, to test sample 111 weigh obtains the first gravimetric value；Then
On sample clamping frame.According to 620 numerical value of second flowmeter in each group aerosol concentration control unit 600, gas is judged
Whether the concentration of sol particles reaches stable state.When aerosol particle object concentration reaches stable, sample clamping frame is connected
It is co-mounted in test device and is tested with test sample 111.
S5, computer unit 400 record upstream particle object concentration detector 511,521 and of downstream particulate object concentration detector
The numerical value of pressure gauge 140, according to the dilute of upstream particle object concentration dilution unit 512 and downstream particulate object concentration dilution unit 522
It releases multiple and calculates 111 corresponding filter efficiency of test sample and filtration resistance.The pressure gauge 140 detect upstream space and
The pressure difference of downstream space, when pressure difference reaches threshold value, test sample 111, which weigh, obtains the second gravimetric value；Second
Gravimetric value and the dust containing capacity that the difference of the first gravimetric value is corresponding test sample 111.The threshold value can be that measuring technology is led
" failure pressure difference " in domain.
The pressure gauge 140 can be digital micro manometer；The test sample 111, which is weighed, can use electronics day
It is flat.
Haze window screening filter effect test device and test method advantageous effect described in the utility model are：Using
Negative pressure unit 151, which is evacuated, so that negative pressure is presented in inner cavity in a whole set of test device, reaches conveying air, controls the mesh of gas flow
's.Haze window screening is tested with upstream particle concentration detector 511, downstream particulate object concentration detector 521 and pressure gauge 140
To providing the filter efficiency and filtration resistance of particle size size and particle concentration；Determine that it holds dirt with scales/electronic balance weighing
Amount.Powerful aerosol concentration control unit 600 can effectively control required aerosol particle object concentration and be examined for sample
It surveys, the filter effect of haze window screening when can simulate varying environment pollution.Disperse orifice plate 120 so that the preceding aerosol particle of experiment
Object is uniformly distributed the validity and repeatability that ensure that measurement result in the lumen.Sample clamping frame guarantees securely to be clamped
Test sample simultaneously provides a supporting role, and prevents sample from slipping or occurring moderate finite deformation during the experiment.The test method of offer
Can validity test difference haze window screening product, different product measurement result is comparable.
For those skilled in the art, technical solution that can be as described above and design are made other each
The corresponding change of kind and deformation, and all these changes and deformation should all belong to the guarantor of the utility model claims
Within the scope of shield.
Claims (8)
1. a kind of haze window screening filter effect test device, which is characterized in that including：Recording quantity is equipped with the tubulose sheet of inner cavity
Body (101), the open tubaeform diffusion part (102) in two sides, solid aerosol generator (210), liquid aersol generator
(310), computer unit (400), upstream particle object concentration detector (511) and downstream particulate object concentration detector (521)；
The larger port of the diffusion part (102) is connect with the open ports of tubular body (101), smaller port is air inlet
(103)；Clamping part (110) is equipped in the middle part of the tubular body (101), the clamping part (110) is for gripping survey
Tubular body (101) inner cavity is separated into the upstream space close to open ports by test agent (111), the test sample (111)
With the downstream space far from open ports；Negative pressure unit is arranged in the one end of the tubular body (101) far from diffusion part (102)
(151), the negative pressure unit (151) is connected to tubular body (101) inner cavity by first flowmeter (152)；The tubulose
Ontology (101) is additionally provided with air pressure of the pressure gauge (140) for detecting test sample (111) both sides, the pressure gauge (140) one
End connection upstream space, other end connect downstream space；
The solid aerosol generator (210) concatenates heating unit (230), the first particle size cutter by pipeline
(220) and after electrostatic charge neutralization (240) it is connected to air inlet (103)；The liquid aersol generator (310) passes through pipeline
It is connected to air inlet (103) after concatenating the second particle size cutter (320)；The computer unit (400) respectively with
Solid aerosol generator (210), liquid aersol generator (310), upstream particle object concentration detector (511) and downstream
Grain object concentration detector (521) is electrically connected；The upstream particle object concentration detector (511) connects upstream sky by pipeline
Between；The downstream particulate object concentration detector (521) connects downstream space by pipeline.
2. haze window screening filter effect test device according to claim 1, which is characterized in that the solid aerosol
Connecting pipe, the connecting tube of liquid aersol generator (310) and air inlet (103) of generator (210) and air inlet (103)
Upstream space difference one group of aerosol concentration control unit (600) of each setting in road, tubular body (101)；The aerosol
Concentration control unit (600) is used to monitor the aerosol concentration of point.
3. haze window screening filter effect test device according to claim 2, which is characterized in that the aerosol concentration
Control unit (600) includes aspiration pump (610) and second flowmeter (620)；The aspiration pump (610) concatenates second flowmeter
(620) monitoring point is accessed by tracheae after.
4. haze window screening filter effect test device according to claim 1, which is characterized in that the upstream space leans on
The position of nearly diffusion part (102) is equipped with dispersion orifice plate (120)；The dispersion orifice plate (120) is vertical with tubular body (101),
Disperse the internal face of border seal connection tubular body (101) inner cavity of orifice plate (120)；The dispersion orifice plate (120) is uniform
Multiple through-holes are distributed, for keeping aerosol more uniform in the distribution of tubular body (101) inner cavity.
5. haze window screening filter effect test device according to claim 1, which is characterized in that the haze window screening
Filter effect test device further includes upstream particle object concentration dilution unit (512), the upstream particle object concentration dilution list
First (512) are set on the pipeline of upstream particle object concentration detector (511) connection upstream space, upstream particle object concentration dilution
Unit (512) is electrically connected with computer unit (400).
6. haze window screening filter effect test device according to claim 1, which is characterized in that the haze window screening
Filter effect test device further includes downstream particulate object concentration dilution unit (522), the downstream particulate object concentration dilution list
First (522) are set on the pipeline of downstream particulate object concentration detector (521) connection downstream space, downstream particulate object concentration dilution
Unit (522) is electrically connected with computer unit (400).
7. haze window screening filter effect test device according to claim 2, which is characterized in that the downstream space leans on
One end of nearly negative pressure unit (151) is equipped with downstream filter (131)；The downstream filter (131) and tubular body (101)
Vertically, the internal face of border seal connection tubular body (101) inner cavity of downstream filter (131).
8. haze window screening filter effect test device according to claim 2, which is characterized in that the air inlet
(103) between the connecting pipe of solid aerosol generator (210) and the connecting pipe of liquid aersol generator (310)
Equipped with air inlet port, in the air inlet port setting upstream filter (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085663.1U CN207798624U (en) | 2018-01-18 | 2018-01-18 | A kind of haze window screening filter effect test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085663.1U CN207798624U (en) | 2018-01-18 | 2018-01-18 | A kind of haze window screening filter effect test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207798624U true CN207798624U (en) | 2018-08-31 |
Family
ID=63271129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820085663.1U Active CN207798624U (en) | 2018-01-18 | 2018-01-18 | A kind of haze window screening filter effect test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207798624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169101A (en) * | 2018-01-18 | 2018-06-15 | 广州纤维产品检测研究院 | A kind of haze window screening filter effect test device and test method |
| CN113155700A (en) * | 2021-04-16 | 2021-07-23 | 深圳市华净科技有限公司 | Chemical filter detection device |
-
2018
- 2018-01-18 CN CN201820085663.1U patent/CN207798624U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169101A (en) * | 2018-01-18 | 2018-06-15 | 广州纤维产品检测研究院 | A kind of haze window screening filter effect test device and test method |
| CN108169101B (en) * | 2018-01-18 | 2023-12-19 | 广州纤维产品检测研究院 | Anti-haze window screening filtering effect testing device and testing method |
| CN113155700A (en) * | 2021-04-16 | 2021-07-23 | 深圳市华净科技有限公司 | Chemical filter detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108169101A (en) | A kind of haze window screening filter effect test device and test method | |
| CN107192648B (en) | Method and system for measuring uncertainty of D50 of PM2.5 cutter | |
| CN102680349B (en) | The monitoring equipment of a kind of PM2.5 | |
| CN207231975U (en) | A kind of media filtration performance testing device | |
| CN207798624U (en) | A kind of haze window screening filter effect test device | |
| CN206146773U (en) | Atmosphere particle detection device | |
| CN104964891A (en) | Detection method of no-clean particulate matter concentration as well as sampling apparatus and sampling device | |
| CN106370451A (en) | Dust cutter calibration system and calibration method therefor | |
| CN108645741A (en) | Oscillating balance and atmosphere particle concentration monitoring method | |
| CN104865174B (en) | A kind of PM2.5 detection means and detection method | |
| CN103487294A (en) | Dynamic pressure balanced type constant speed flue dust sampling tube | |
| CN108535166A (en) | A kind of Performance Test System of multichannel gaseous pollutant purification filtrate | |
| CN204924866U (en) | Calibration system of digit dust appearance | |
| CN206960173U (en) | A kind of airborne particulate harvester | |
| CN204718913U (en) | The sampling apparatus of No clean particle concentration and sample devices | |
| CN109507068A (en) | A kind of charged amount detecting device of particulate matter and detection method | |
| CN203606135U (en) | CCD online aerosol monitoring device | |
| CN106248538B (en) | Method for indirectly measuring dry sedimentation rate of PM2.5 on surface of plant | |
| CN111289314A (en) | Detection sampling device for severe environment | |
| CN206362752U (en) | A kind of new gas chromatographicanalyzer | |
| RU195687U1 (en) | DEVICE FOR MEASURING THE CONCENTRATION OF AEROSOLS AND IMPURITY GASES IN THE AIR FLOW | |
| CN209589630U (en) | A kind of atmospheric monitoring system | |
| CN209167069U (en) | Air filter performance testing device | |
| CN204694598U (en) | The pick-up unit of a kind of PM2.5 | |
| CN220019301U (en) | Standard substance transfer device of automatic monitoring equipment for particulate matters in ambient air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |