CN108318405A - Filter membrane/filter cylinder arresting efficiency and resistance detection device - Google Patents
Filter membrane/filter cylinder arresting efficiency and resistance detection device Download PDFInfo
- Publication number
- CN108318405A CN108318405A CN201810422649.0A CN201810422649A CN108318405A CN 108318405 A CN108318405 A CN 108318405A CN 201810422649 A CN201810422649 A CN 201810422649A CN 108318405 A CN108318405 A CN 108318405A
- Authority
- CN
- China
- Prior art keywords
- filter
- solenoid valve
- photometer
- connect
- filter membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 239000012528 membrane Substances 0.000 title claims abstract description 54
- 239000000443 aerosol Substances 0.000 claims abstract description 48
- 238000005070 sampling Methods 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 208000002925 dental caries Diseases 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 3
- 229920001296 polysiloxane Polymers 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Abstract
The present invention relates to filter membrane detection field, especially a kind of filter membrane/filter cylinder arresting efficiency and resistance detection device.Including main casing, wherein, the main casing is internally provided with mixing room part, filter membrane/filter cylinder clamp pressing part, holder part, part of detecting, sampling section and control section, mixing room part is connect with part of detecting, filter membrane/filter cylinder clamp pressing part is connect with holder part, and part of detecting is connect with sampling section；Mixing room part includes mixing room, arresting efficiency detection solenoid valve and resistance detection solenoid valve, mixing room is set there are two import, it is air inlet and aerosol import respectively, high efficiency particulate air filter I is equipped at air inlet, arresting efficiency detection solenoid valve is connect with the outlet of mixing room, resistance detection solenoid valve is connect with high efficiency particulate air filter II, and resistance detects solenoid valve and is connected in parallel with arresting efficiency detection solenoid valve.It is simple in structure, it is of low cost, substantially increase accuracy of detection, processing safety and the service efficiency of testing staff.
Description
Technical field
The present invention relates to filter membrane detection field, especially a kind of filter membrane/filter cylinder arresting efficiency and resistance detection device.
Background technology
Filter membrane (filter cylinder) arresting efficiency and resistance detection device Primary Reference《A kind of monodisperse DOP of ASTM D2986-95A
The air test evaluation criterion of (dioctyl phthalate) smoke test》And《GB/T 6165-2008 high efficiency particle air filters
Method for testing performance efficiency and resistance》Etc. relevant criterions and method.
Domestic arresting efficiency detection device generally belongs to filtrate detection at present, is not filtered specifically for filter membrane (filter cylinder)
The instrument of Efficiency testing, and cost is higher；Domestic manufacturer mostly uses airborne particle counter to carry out aerosol concentration detection,
Its accuracy of detection and accuracy are influenced bigger by airborne particle counter instrument performance itself, be easy to cause aerosol concentration
Inaccuracy is measured, testing result is finally influenced；And some producers are external by air compressor machine, and volume and noise are larger, are not suitable for
It is detected indoors for a long time.
Invention content
It is an object of the invention to solve the above-mentioned problems in the prior art, it is proposed that a kind of filter membrane/filter cylinder trapping
Efficiency and resistance detection device, it is simple in structure, it is of low cost, substantially increase accuracy of detection, processing safety and testing staff
Service efficiency.
The technical scheme is that：A kind of filter membrane/filter cylinder arresting efficiency and resistance detection device, including main casing,
In, the main casing is internally provided with mixing room part, filter membrane/filter cylinder clamp pressing part, holder part, part of detecting, sampling
Part and control section, mixing room part are connect with part of detecting, and filter membrane/filter cylinder clamp pressing part is connect with holder part,
Part of detecting is connect with sampling section；
Mixing room part includes mixing room, arresting efficiency detection solenoid valve and resistance detection solenoid valve, and mixing room is set
There are two imports, are air inlet and aerosol import respectively, and high efficiency particulate air filter I, trapping effect are equipped at air inlet
Rate detection solenoid valve is connect with the outlet of mixing room, and resistance detection solenoid valve is connect with high efficiency particulate air filter II, and resistance detects electromagnetism
Valve is connected in parallel with arresting efficiency detection solenoid valve；
The filter membrane/filter cylinder clamp pressing part includes air compressor, pressure release electromagnetic valve, check valve, air accumulator, draining
Solenoid valve, pressure switch, pressure regulator valve, two-position-five-way solenoid valve, throttle valve, cylinder, the air compressor, pressure release electromagnetic valve,
Check valve, air accumulator, pressure switch, pressure regulator valve, two-position-five-way solenoid valve are sequentially connected, the outlet of drain solenoid valve and air accumulator
Connection, two gas outlets of two-position-five-way solenoid valve respectively by throttle valve and cylinder by piston space two chambers up and down made of
Body connects；
The holder part includes upper fixture cavity, fixture and lower fixture cavity, and fixture setting is in upper fixture cavity under
Between fixture cavity, filter membrane/filter cylinder is placed in fixture, and upper fixture cavity is equipped with upstream aerosol concentration detection mouth and pressure
Mouth is detected, lower fixture cavity is equipped with downstream aerosol concentration detection mouth, pressure detecting mouth and sampling mouth；
The detection part includes upstream photometer, downstream photometer and pressure sensor, the photometric aerosol in upstream
Suction nozzle is connect with the upstream aerosol concentration detection mouth in upper fixture cavity, the photometric aerosol suction nozzle in downstream and lower folder
Have a downstream aerosol concentration detection mouth connection in cavity, pressure sensor respectively with the pressure detecting mouth of upper fixture cavity, under
The pressure detecting mouth of fixture cavity connects.
In the present invention, the upstream photometer/downstream photometer include aerosol suction nozzle, photometer light path, aspiration pump,
Gas holds II, orifice metre, high efficiency particulate air filter IV, photometer self-cleaning module and concentration detection module, photometer self-cleaning module and
Concentration detection module is connected in parallel, and the gas outlet of photometer self-cleaning module and concentration detection module is connect with photometer light path,
Photometer light path, high efficiency particulate air filter IV, orifice metre, gas appearance I and aspiration pump are sequentially connected, the photometer self-cleaning module packet
High efficiency particulate air filter III and self-cleaning solenoid valve are included, concentration detection module includes detection solenoid valve, and aerosol suction nozzle is used with detection
The air inlet of solenoid valve connects.
The sampling section includes sequentially connected sampling suction nozzle, air inlet high efficiency particulate air filter, flowmeter, gas appearance II, adopts
Sample pumps and exhaust high efficiency particulate air filter, and sampling suction nozzle is connect with the sampling mouth of lower fixture cavity.
The bottom of the main casing is equipped with pedestal, and the bottom of pedestal is equipped with universal wheel, the front panel of main casing it is upper
Portion is equipped with display screen, pressure gauge, USB interface, scram button and power switch, and wherein display location is in middle part, pressure gauge and USB
Interface is located at the left side of display screen, and scram button and power switch are located at the right side of display screen, and the lower section of display screen is equipped with fixture
Part, it is corresponding to be equipped with headlamp on a main housing, the bottom of the Left-Hand Panel of main casing be equipped with equipped with discharge outlet, exhaust outlet and
The right panel of power outlet, main casing is equipped with communication interface, aerosol entrance and temperature sensor, the left and right side of main casing
Handrail, cabinet inside handle and ventilating filter screen group are arranged on panel, wherein handrail is located at the middle part of panel, ventilating filter screen
Group is positioned at the lower part of panel, and cabinet inside handle is between handrail and ventilating filter screen group.
The invention also includes control section, control section respectively with display screen, mixing room part, filter membrane/filter cylinder fixture pressure
Tight part, holder part, part of detecting, sampling section electrical connection.
The filter membrane/filter cylinder clamp pressing portion compresses part further includes grating sensor, and grating sensor is respectively set
On upper fixture cavity and lower fixture cavity, effective detection spacing range between grating sensor is 150-400mm, and grating passes
Sensor and cylinder are electrically connected with control section.During filter membrane/filter cylinder installation or removal, once there is maloperation, cylinder
Concurrent responding song will not be acted and reminded with showing.
The upstream photometer, downstream photometer and pressure sensor are electrically connected with control section.
Beneficial effects of the present invention：
(1) it controls the automatic aerosol that certain concentration occurs by control module to enter in mixing room, while using two-way
High-precision aerosol photometer carries out upstream and downstream Concentration Testing, calculates the arresting efficiency and resistance of filter membrane/filter cylinder automatically, passes through control
Molding block calculates the calibration of integrating photometer work time prompt automatically；
(2) closure and Data Detection that filter membrane/filter cylinder fixture is controlled by touch display screen, observe detection data in real time；
(3) due to being provided with grating sensor, installed in testing staff and when retracting filter membrane/filter cylinder, not will produce filter membrane/
The case where filter cylinder fixture acts, to protect the personal safety of testing staff；
(4) this detection device reduces noise to the maximum extent by the way of built in air compressor.
In conclusion the present apparatus uses high-precision aerosol photometer, high-precision aerosol concentration control module and height
Accuracy pressure sensor, guarantee meet measuring accuracy requirement, and simple in structure, of low cost, and intelligence degree is high, can be significantly
Improve the service efficiency of testing staff.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the right view of the present invention；
Fig. 4 is the structure catenation principle figure of part of detecting and sampling section in the present invention；
Fig. 5 is the photometric structure catenation principle figure of middle and upper reaches of the present invention；
Fig. 6 is the structure catenation principle figure of sampling section in the present invention；
In figure：2 display screens；3 pressure gauges；4USB interfaces；Adjustable plate on 6；7 times adjustable plates；9 pedestals；10 universal wheels；12 is anxious
Stop button；13 power switches；14 headlamps；15 upper fixture chambers；16 fixtures；17 times fixture cavities；18 main casings；19 handrails；20 machines
Cabinet inside handle；21 ventilating filter screen groups；22 discharge outlet；23 exhaust outlets；24 power outlets；25 communication interfaces；26 aerosol entrances；
27 temperature sensors；28 air compressors；29 pressure release electromagnetic valves；30 check valves；31 air accumulators；32 drain solenoid valves；33 pressure
Switch；34 pressure regulator valves；35 two-position-five-way solenoid valves；36 throttle valves；37 cylinders；38 grating sensors；42 pressure sensors；On 43
Swim photometer；44 downstream photometers；45 sampling apparatuses；46 high efficiency particulate air filters II；47 resistances detect solenoid valve；48 arresting efficiencies are examined
Survey solenoid valve；49 mixing rooms；50 high efficiency particulate air filters I；51 high efficiency particulate air filters III；52 self-cleaning solenoid valves；53 photometer light paths；54 inspections
Survey solenoid valve；55 high efficiency particulate air filters IV；56 orifice metres；57 gas hold I；58 aspiration pumps；59 air inlet high efficiency particulate air filters；60 adopt
Sample flowmeter；61 gas hold II；62 sampling pumps；63 exhaust high efficiency particulate air filters.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, filter membrane of the present invention/filter cylinder arresting efficiency and resistance detection device, including master
The bottom of shell 18, main casing 18 is equipped with pedestal 9, and the bottom of pedestal 9 is equipped with universal wheel 10.The front panel of main casing 18
Top is equipped with display screen 2, pressure gauge 3, USB interface 4, scram button 12 and power switch 13, and wherein display screen 2 is located at middle part,
Pressure gauge 3 and USB interface 4 are located at the left side of display screen 2, and scram button 12 and power switch 13 are located at the right side of display screen.Pressure
Power table 3 is for monitoring the pressure in pipeline in real time.Scram button 12 is used for the emergent stopping when device operation exception.
The lower section of display screen 2 is equipped with holder part, corresponding that headlamp 14 is equipped on main casing 18, is convenient for the installation and sight of fixture
It examines.The bottom of the Left-Hand Panel of main casing 18 is equipped with discharge outlet 22, exhaust outlet 23 and power outlet 24, the right side of main casing 18
Side panel is equipped with communication interface 25, aerosol entrance 26 and temperature sensor 27, and wherein communication interface 25 is for controlling external gas
The aerosol concentration of colloidal sol generator.It is arranged with handrail 19, cabinet inside handle 20 on the left and right side panel of main casing 18 and leads to
Wind filter screen group 21, wherein handrail 19 are located at the middle part of panel, and ventilating filter screen group 21 is located at the lower part of panel, cabinet inside handle
20 between handrail 19 and ventilating filter screen group 21.Main casing 18 is internally provided with mixing room part, filter membrane/filter cylinder clamp pressing
Partly, holder part, part of detecting, sampling section 45 and control section.
As shown in figure 4, mixing room part includes mixing room 49, arresting efficiency detection solenoid valve 48 and resistance detection solenoid valve
47, mixing room 49 is set there are two import, is air inlet and aerosol import respectively, and efficient mistake is equipped at air inlet
Filter I 50, to be filtered to the air for entering mixing room 49, arresting efficiency detects the outlet of solenoid valve 48 and mixing room 49
Connection.Resistance detection solenoid valve 47 is connect with high efficiency particulate air filter II 46, and II 46 pairs of high efficiency particulate air filter is hindered into part of detecting
The air of power test is filtered.Resistance detects solenoid valve 47 and is connected in parallel with arresting efficiency detection solenoid valve 48, is being filtered
When film/filter cylinder resistance detection, resistance detects solenoid valve 47 and opens, while arresting efficiency detection solenoid valve 48 is closed, sampling section
45 start, and air enters part of detecting by high efficiency particulate air filter II 46, carry out resistance measurement；Carrying out filter membrane/filter cylinder trapping effect
When rate detects, resistance detects solenoid valve 47 and closes, while arresting efficiency detection solenoid valve 48 is opened, and sampling section 45 starts, will
Aerosol is sent into part of detecting, carries out arresting efficiency test.Solenoid valve 48 and resistance are detected with arresting efficiency in control section respectively
It detects solenoid valve 47 to be electrically connected, aerosol enters mixing room 49 by the aerosol entrance 26, is controlled and is caught respectively by control section
Collect Efficiency testing solenoid valve 48 and resistance detection solenoid valve 47 carries out the test of filter membrane/filter cylinder arresting efficiency and resistance.
The filter membrane/filter cylinder clamp pressing part includes air compressor 28, pressure release electromagnetic valve 29, check valve 30, gas storage
Tank 31, drain solenoid valve 32, pressure switch 33, pressure regulator valve 34, two-position-five-way solenoid valve 35, throttle valve 36, cylinder 37, it is hollow
Air compressor 28, pressure release electromagnetic valve 29, check valve 30, air accumulator 31, pressure switch 33, pressure regulator valve 34, two-position-five-way solenoid valve
35 are sequentially connected, and drain solenoid valve 32 is connect with the outlet of air accumulator 31.Distinguish two gas outlets of two-position-five-way solenoid valve 35
By throttle valve 36, by piston space, two cavitys are connect up and down made of in cylinder 37.Air compressor 28 is used as power gas
The compression and opening of filter membrane/filter cylinder fixture are realized to drive cylinder 37 to act in source.Pressure release electromagnetic valve 29 is for excluding air pressure
Gas in contracting machine 28 starts convenient for zero load.Drain solenoid valve 32 is used to exclude the moisture in air accumulator 31, realizes every time
Auto-drainage when startup self-detection.Pressure switch 33 is used to ensure the pressure limit in air accumulator 31, two-position-five-way solenoid valve 35
For executive component, for realizing the reciprocating motion of cylinder 37, throttle valve 36 is used for adjusting the speed of service of 37 inner carrier of cylinder.It should
Pressing section further includes grating sensor 38, and grating sensor 38 is protective device, in order to testing staff be avoided to pacify
When dress or dismounting filter membrane/filter cylinder, due to the malfunction of cylinder, and personal safety is influenced.Effective detection between grating sensor
Spacing range is 150-400mm, and during filter membrane/filter cylinder installation or removal, once there is maloperation, cylinder 37 will not occur
It acts concurrent responding song and is reminded with showing.Grating sensor 38, cylinder 37 and two-position-five-way solenoid valve 35 are electric with control section
Connection.
As shown in Figure 1 and Figure 4, holder part includes upper fixture cavity 15, fixture 16, lower fixture cavity 17, upper adjustable plate
6 and lower adjustable plate 7, fixture 16 is arranged between upper fixture cavity 15 and lower fixture cavity 17, and filter membrane/filter cylinder is placed on fixture
In 16.Upper adjustable plate 6 and lower adjustable plate 7 are used to adjust the position of lower fixture cavity 17, ensure upper fixture chamber during the work time
Body 15 and lower 17 co-axial seal of fixture cavity.Upper fixture cavity 15 is equipped with upstream aerosol concentration detection mouth and pressure detecting
Mouth, upstream aerosol concentration detection mouth are connect with upstream photometer aerosol suction nozzle by silicone tube, pressure detecting mouth and pressure
Force snesor 42 is connected by silicone tube.Lower fixture cavity 17 be equipped with downstream aerosol concentration detection mouth, pressure detecting mouth and
Mouth is sampled, aerosol concentration detection mouth in downstream is connect with downstream photometer aerosol suction nozzle by silicone tube, pressure detecting mouth
It is connect by silicone tube with pressure sensor 42, sampling mouth is connect with the sampling suction nozzle of sampling section 45 by silicone tube.
As shown in Figure 4 and Figure 5, detection part includes upstream photometer 43, downstream photometer 44 and pressure sensor 42, on
Swim the suction nozzle of photometer 43 and the upstream aerosol concentration in upper fixture cavity 15 detect mouth and connect, downstream photometer 44 into
Gas nozzle is connect with the downstream aerosol concentration detection mouth in lower fixture cavity 17, and upstream photometer 43 is for accurately detecting aerosol
By the concentration before filter membrane/filter cylinder, downstream photometer 44 passes through dense after filter membrane/filter cylinder for accurately detection aerosol
Degree.Difference between the concentration value that the concentration value that upstream photometer 43 detects and downstream photometer 44 detect divided by downstream light
The concentration value that degree meter 44 detects can be obtained the arresting efficiency of filter membrane/filter cylinder.Pressure sensor 42 respectively with upper fixture cavity
15, lower fixture cavity 17 connects, for detecting the pressure in upper fixture cavity 15 and lower fixture cavity 17.Pass through upper and lower fixture
The ratio of cavity internal pressure value can carry out the resistance measurement of filter membrane/filter cylinder.Upstream photometer 43, downstream photometer 44 and pressure
Force snesor 42 is electrically connected with control section.
Upstream photometer includes aerosol suction nozzle, photometer light path 53, aspiration pump 58, gas appearance II 57, orifice metre
56, high efficiency particulate air filter IV 55, photometer self-cleaning module and concentration detection module, wherein photometer self-cleaning module and Concentration Testing mould
Block is connected in parallel, the air inlet connection of aerosol suction nozzle and concentration detection module, photometer self-cleaning module and Concentration Testing mould
The gas outlet of block is connect with photometer light path 53, and photometer light path 53, high efficiency particulate air filter IV 55, orifice metre 56, gas hold I
57 and aspiration pump 58 be sequentially connected.
Photometer self-cleaning module includes high efficiency particulate air filter III 51 and self-cleaning solenoid valve 52, when being passed through pure air, and is opened
Self-cleaning solenoid valve 52 can clean photometer light path.Concentration detection module includes detection solenoid valve 54, detection solenoid valve 54
After opening, aerosol enters photometer light path 53, to accurately detect the concentration of aerosol.Since upstream photometer 43 is under
It is identical to swim 44 internal structure of photometer, therefore the structure of downstream photometer 44 does not repeat.
As shown in figure 5, sampling section 45 includes sequentially connected sampling suction nozzle, air inlet high efficiency particulate air filter 59, flowmeter
60, gas holds II 61, sampling pump 62 and exhaust high efficiency particulate air filter 63, wherein sampling suction nozzle and the sampling mouth of lower fixture cavity 17 connect
It connects, sampling section is used to provide the sampling flow of different flow section.The available range of flow of sampling section is 10-100L/
Min, range of flow is wide, is applicable to the arresting efficiency detection of different filter membrane/filter cylinders.
Display screen 2 is electrically connected with control section, by the closure of touch display screen control filter membrane/filter cylinder fixture, while on
On the display screen 2, observation in real time detects the equal real-time display of data that trip photometer, downstream photometer and pressure sensor detect
Data.Using operating in a key, intelligent and processing safety is improved, the error for operating excessive button and generating is avoided, carries
High working efficiency, and test data can be observed in real time.
In addition, in order to extend complete machine function, described device is also equipped with blue-tooth printer other than being furnished with USB interface 4, detection
Personnel can be exported by USB interface 4 or the required detection data report of blue-tooth printer printing is, it can be achieved that detection data was reported
Record is specially made in printing speed or unloading, inquiry without experimenter, saves the time, improves working efficiency.
The course of work of the present invention is as described below：Self-test is selected by display screen 2 first, makes the device Auto-drainage, and
It is placed in fixture by 2 setup parameter of display screen, while by filter membrane/filter cylinder, fixture is placed in lower fixture cavity body.Carry out standard
One-key start after standby work is first turned on resistance detection solenoid valve 47, closes arresting efficiency and detect solenoid valve 48, pneumatic sampling unit
Point, by the pressure sensor 42 in part of detecting, the resistance of filter membrane/filter cylinder is detected, when the gas in part of detecting
It after flow reaches stable, opens arresting efficiency and detects solenoid valve 48, close resistance and detect solenoid valve 47, make the gas in mixing room 49
Colloidal sol enters part of detecting, by the upstream photometer 43 and downstream photometer 44 of part of detecting, is imitated to the trapping of filter membrane/filter cylinder
Rate is detected.The data obtained in detection process can be shown on the display screen 2 automatically.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
It imitates embodiment and is applied to other fields, but it is every without departing from technical solution of the present invention content, according to the technical essence of the invention
To any simple modification, equivalent variations and remodeling made by above example, the protection domain of technical solution of the present invention is still fallen within.
Claims (7)
1. a kind of filter membrane/filter cylinder arresting efficiency and resistance detection device, including main casing (18), it is characterised in that：The main casing
Body (18) is internally provided with mixing room part, filter membrane/filter cylinder clamp pressing part, holder part, part of detecting and sampling section
(45), mixing room part is connect with part of detecting, and filter membrane/filter cylinder clamp pressing part is connect with holder part, part of detecting with
Sampling section (45) connects；
Mixing room part includes that mixing room (49), arresting efficiency detection solenoid valve (48) and resistance detect solenoid valve (47),
Mixing room (49) is set there are two import, is air inlet and aerosol import respectively, and efficient mistake is equipped at air inlet
Filter I (50), arresting efficiency detection solenoid valve (48) are connect with the outlet of mixing room (49), and resistance detects solenoid valve (47) and height
It imitates filter II (46) to connect, resistance detection solenoid valve (47) is connected in parallel with arresting efficiency detection solenoid valve (48)；
The filter membrane/filter cylinder clamp pressing part includes air compressor (28), pressure release electromagnetic valve (29), check valve (30), storage
Gas tank (31), drain solenoid valve (32), pressure switch (33), pressure regulator valve (34), two-position-five-way solenoid valve (35), throttle valve
(36), cylinder (37), the air compressor (28), pressure release electromagnetic valve (29), check valve (30), air accumulator (31), pressure are opened
Pass (33), pressure regulator valve (34), two-position-five-way solenoid valve (35) are sequentially connected, the outlet of drain solenoid valve (32) and air accumulator (31)
Connection, two gas outlets of two-position-five-way solenoid valve (35) respectively by throttle valve (36) and cylinder (37) by piston space every by
At two cavitys up and down connection；
The holder part includes upper fixture cavity (15), fixture (16) and lower fixture cavity (17), and fixture (16) is arranged upper
Between fixture cavity (15) and lower fixture cavity (17), filter membrane/filter cylinder is placed in fixture (16), and upper fixture cavity is set on (15)
Have a upstream aerosol concentration detection mouth and pressure detecting mouth, lower fixture cavity (17) be equipped with downstream aerosol concentration detection mouth,
Pressure detecting mouth and sampling mouth；
The detection part includes upstream photometer (43), downstream photometer (44) and pressure sensor (42), upstream photometer
(43) aerosol suction nozzle is connect with the upstream aerosol concentration detection mouth in upper fixture cavity (15), downstream photometer (44)
Aerosol suction nozzle connect with the downstream aerosol concentration detection mouth in lower fixture cavity (17), pressure sensor (42) is distinguished
It is connect with the pressure detecting mouth of the pressure detecting mouth of upper fixture cavity (15), lower fixture cavity (17).
2. filter membrane according to claim 1/filter cylinder arresting efficiency and resistance detection device, it is characterised in that：The upstream
Photometer/downstream photometer includes aerosol suction nozzle, photometer light path (53), aspiration pump (58), gas holds II (57), aperture is flowed
Gauge (56), high efficiency particulate air filter IV (55), photometer self-cleaning module and concentration detection module, photometer self-cleaning module and concentration inspection
It surveys wired in parallel to connect, the gas outlet of photometer self-cleaning module and concentration detection module is connect with photometer light path (53), light
Degree photometric road (53), high efficiency particulate air filter IV (55), orifice metre (56), gas hold I (57) and aspiration pump (58) is sequentially connected, institute
It includes high efficiency particulate air filter III (51) and self-cleaning solenoid valve (52) to state photometer self-cleaning module, and concentration detection module includes detection electricity consumption
Magnet valve (54), aerosol suction nozzle are connect with detection with the air inlet of solenoid valve (54).
3. filter membrane according to claim 1/filter cylinder arresting efficiency and resistance detection device, it is characterised in that：The sampling
Partly (45) include sequentially connected sampling suction nozzle, air inlet high efficiency particulate air filter (59), flowmeter (60), II (61) of gas appearance, adopt
Sample pumps (62) and exhaust high efficiency particulate air filter (63), and sampling suction nozzle is connect with the sampling mouth of lower fixture cavity (17).
4. filter membrane according to claim 1/filter cylinder arresting efficiency and resistance detection device, it is characterised in that：The main casing
The bottom of body (18) is equipped with pedestal (9), and the bottom of pedestal (9) is equipped with universal wheel (10), the front panel of main casing (18)
Top is equipped with display screen (2), pressure gauge (3), USB interface (4), scram button (12) and power switch (13), wherein display screen
(2) it is located at middle part, pressure gauge (3) and USB interface (4) are located at the left side of display screen (2), scram button (12) and power switch
(13) it is located at the right side of display screen, the lower section of display screen (2) is equipped with holder part, corresponding that illumination is equipped on main casing (18)
The bottom of lamp (14), the Left-Hand Panel of main casing (18) is equipped with discharge outlet (22), exhaust outlet (23) and power outlet (24),
The right panel of main casing (18) is equipped with communication interface (25), aerosol entrance (26) and temperature sensor (27), main casing
(18) handrail (19), cabinet inside handle (20) and ventilating filter screen group (21), wherein handrail are arranged on left and right side panel
(19) it is located at the middle part of panel, ventilating filter screen group (21) is located at the lower part of panel, and cabinet inside handle (20) is located at handrail (19)
Between ventilating filter screen group (21).
5. filter membrane according to claim 4/filter cylinder arresting efficiency and resistance detection device, it is characterised in that：It further include control
Part processed, control section respectively with display screen (2), mixing room part, filter membrane/filter cylinder clamp pressing part, holder part, test
Partly, sampling section (45) is electrically connected.
6. filter membrane according to claim 5/filter cylinder arresting efficiency and resistance detection device, it is characterised in that：The filter membrane/
Filter cylinder clamp pressing portion compresses part further includes grating sensor (38), and grating sensor (38) is separately positioned on upper fixture chamber
On body and lower fixture cavity, effective detection spacing range between grating sensor is 150-400mm, grating sensor (38) and
Cylinder (37) is electrically connected with control section.
7. filter membrane according to claim 5/filter cylinder arresting efficiency and resistance detection device, it is characterised in that：The upstream
Photometer (43), downstream photometer (44) and pressure sensor (42) are electrically connected with control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422649.0A CN108318405A (en) | 2018-05-05 | 2018-05-05 | Filter membrane/filter cylinder arresting efficiency and resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422649.0A CN108318405A (en) | 2018-05-05 | 2018-05-05 | Filter membrane/filter cylinder arresting efficiency and resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108318405A true CN108318405A (en) | 2018-07-24 |
Family
ID=62895573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810422649.0A Pending CN108318405A (en) | 2018-05-05 | 2018-05-05 | Filter membrane/filter cylinder arresting efficiency and resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108318405A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269956A (en) * | 2018-10-17 | 2019-01-25 | 华北电力大学 | It is a kind of for testing the experimental provision of microfluid impact type filter capability |
| CN109709014A (en) * | 2018-12-17 | 2019-05-03 | 合肥信达膜科技有限公司 | A kind of super diafiltration film batch detecting device sampling apparatus |
| CN111398123A (en) * | 2020-04-08 | 2020-07-10 | 佛山市奥启薄膜科技有限公司 | Device for detecting microporous breathable material |
| CN112945825A (en) * | 2021-01-22 | 2021-06-11 | 青岛众瑞智能仪器股份有限公司 | Real-time detection method for mask bacterial filtration efficiency |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795972U (en) * | 2010-08-20 | 2011-04-13 | 中国建筑科学研究院 | On-line dust detector |
| CN203858187U (en) * | 2014-06-03 | 2014-10-01 | 北京市医疗器械检验所 | Breathable packaging material microbial barrier grading test device |
| CN106092857A (en) * | 2016-08-11 | 2016-11-09 | 青岛众瑞智能仪器有限公司 | A kind of mask particulate matter filter efficiency and respiratory resistance detection device |
| CN205982020U (en) * | 2016-08-11 | 2017-02-22 | 青岛众瑞智能仪器有限公司 | Gauze mask particulate matter filtration efficiency and respiratory resistance detection device |
| CN107560986A (en) * | 2017-08-30 | 2018-01-09 | 合肥福瞳光电科技有限公司 | A kind of multichannel PM2.5 detection means |
| CN208459224U (en) * | 2018-05-05 | 2019-02-01 | 青岛众瑞智能仪器有限公司 | Filter membrane/filter cylinder arresting efficiency and resistance detection device |
-
2018
- 2018-05-05 CN CN201810422649.0A patent/CN108318405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795972U (en) * | 2010-08-20 | 2011-04-13 | 中国建筑科学研究院 | On-line dust detector |
| CN203858187U (en) * | 2014-06-03 | 2014-10-01 | 北京市医疗器械检验所 | Breathable packaging material microbial barrier grading test device |
| CN106092857A (en) * | 2016-08-11 | 2016-11-09 | 青岛众瑞智能仪器有限公司 | A kind of mask particulate matter filter efficiency and respiratory resistance detection device |
| CN205982020U (en) * | 2016-08-11 | 2017-02-22 | 青岛众瑞智能仪器有限公司 | Gauze mask particulate matter filtration efficiency and respiratory resistance detection device |
| CN107560986A (en) * | 2017-08-30 | 2018-01-09 | 合肥福瞳光电科技有限公司 | A kind of multichannel PM2.5 detection means |
| CN208459224U (en) * | 2018-05-05 | 2019-02-01 | 青岛众瑞智能仪器有限公司 | Filter membrane/filter cylinder arresting efficiency and resistance detection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269956A (en) * | 2018-10-17 | 2019-01-25 | 华北电力大学 | It is a kind of for testing the experimental provision of microfluid impact type filter capability |
| CN109709014A (en) * | 2018-12-17 | 2019-05-03 | 合肥信达膜科技有限公司 | A kind of super diafiltration film batch detecting device sampling apparatus |
| CN111398123A (en) * | 2020-04-08 | 2020-07-10 | 佛山市奥启薄膜科技有限公司 | Device for detecting microporous breathable material |
| CN112945825A (en) * | 2021-01-22 | 2021-06-11 | 青岛众瑞智能仪器股份有限公司 | Real-time detection method for mask bacterial filtration efficiency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108318405A (en) | Filter membrane/filter cylinder arresting efficiency and resistance detection device | |
| CN205175984U (en) | Area is from cleaning function's continuous tracer gas detector | |
| CN111122407A (en) | Testing device and testing method for measuring filtering efficiency of air filtering material | |
| CN210665422U (en) | Automatic zero calibration device for measuring particulate matters by laser scattering method | |
| CN208459224U (en) | Filter membrane/filter cylinder arresting efficiency and resistance detection device | |
| CN214749617U (en) | Oil smoke particulate matter detection device with heating function | |
| CN208579895U (en) | A kind of Glove Integrity leak detector | |
| CN207850628U (en) | Turbine case airtight detecting apparatus | |
| CN115931682A (en) | Filter material dynamic performance tester and testing method thereof | |
| CN101876583A (en) | Filter-press type leakage detector for bag-type dust remover | |
| CN213022854U (en) | Detection equipment for atmospheric pollution treatment | |
| CN212301507U (en) | Gas concentration calibration testing machine | |
| CN206038656U (en) | Removable formula gas detection module | |
| CN109425514A (en) | fluid sampling device | |
| CN209662482U (en) | A kind of oxygen breathing apparatus detector based on ergonomic | |
| CN211179745U (en) | VOC on-line monitoring system with sample gas purification treatment and early warning | |
| CN208653907U (en) | A kind of pipe-line system with sensor protection effect | |
| CN211235430U (en) | DPF carrier exhaust back pressure detection device | |
| CN209513705U (en) | A kind of harm gas-detecting device in outdoor environment | |
| CN115127969A (en) | Dust removal efficiency detector and operation process | |
| CN210487545U (en) | Electric mask air supply amount detection device and electric mask air supply amount and purification performance detection device | |
| CN210486945U (en) | Gas detection device | |
| CN210376250U (en) | Gas chromatograph with monitoring jam condition | |
| CN212904412U (en) | Plane gauze mask detects machine | |
| CN108344453B (en) | Portable positive and negative pressure biological protection equipment detection box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 266000 No. 1 Xueyue Road, Chengyang District, Qingdao City, Shandong Province Applicant after: Qingdao Zhongrui Intelligent Instrument Co., Ltd. Address before: 266000 No. 3 Xiandong Road, Xiazhuang Street, Chengyang District, Qingdao City, Shandong Province Applicant before: Qingdao Zhongrui Intelligent Instrument Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266000 No. 1 Xueyue Road, Chengyang District, Qingdao City, Shandong Province Applicant after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd. Address before: 266000 No. 1 Xueyue Road, Chengyang District, Qingdao City, Shandong Province Applicant before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd. |
|
| CB02 | Change of applicant information |