CN206609757U - Strainability of having a stuffy nose detects storehouse and strainability detection means - Google Patents

Strainability of having a stuffy nose detects storehouse and strainability detection means Download PDF

Info

Publication number
CN206609757U
CN206609757U CN201720355421.5U CN201720355421U CN206609757U CN 206609757 U CN206609757 U CN 206609757U CN 201720355421 U CN201720355421 U CN 201720355421U CN 206609757 U CN206609757 U CN 206609757U
Authority
CN
China
Prior art keywords
warehouse
nasal obstruction
strainability
dividing plate
insert port
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
Application number
CN201720355421.5U
Other languages
Chinese (zh)
Inventor
李文宇
贾宝泉
陈志胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Pure Technology Co Ltd
Original Assignee
Wuhan Pure Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Pure Technology Co Ltd filed Critical Wuhan Pure Technology Co Ltd
Priority to CN201720355421.5U priority Critical patent/CN206609757U/en
Application granted granted Critical
Publication of CN206609757U publication Critical patent/CN206609757U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

One kind nasal obstruction strainability detection storehouse and strainability detection means, it is related to filter detection field, nasal obstruction strainability detection storehouse includes warehouse and the dividing plate being arranged in warehouse, warehouse is separated into inlet chamber and outlet chamber by dividing plate, air inlet is offered on the corresponding warehouse of inlet chamber, gas outlet is offered on the corresponding warehouse of outlet chamber, dividing plate offers two mounting holes for placing a pair of filtering type nasal obstructions, the nasal obstruction strainability detects that storehouse is had a stuffy nose specifically designed for filtering type, has filled up technological gap;The strainability detection means includes aerosol generator, nasal obstruction strainability detection storehouse and the detector sequentially connected, strainability detection means is dedicated for the progress automatic detection of the combination property of nasal obstruction, including the filter effect to different size particulate matter and the detection of filter efficiency.

Description

Strainability of having a stuffy nose detects storehouse and strainability detection means
Technical field
The utility model is related to filter detection field, in particular to one kind nasal obstruction strainability detection storehouse and mistake Filter device for detecting performance.
Background technology
It is a kind of filter that can be put into and be used in nostril to cross air filtering nasal obstruction, and function is similar to mouth mask, mainly The pollutant or harmful substance crossed in air filtering, nostril is put into when using by nasal obstruction.Because which employs flexible, breathable Filtering material is made, so can't influence eupnea when in use.Cross air filtering nasal obstruction compact easy to use, when wearing not Face can be blocked, and is difficult to be found out by people, is adapted to traffic police, teacher and the protection of ordinary people's everyday air and uses.Wear filtering simultaneously Air nasal obstruction can be reduced disrespects sense because wearing mouth mask to what people around brought, therefore is adapted to public in office or meeting etc. Occasion is used.Cross air filtering nasal obstruction quality and user it is healthy closely bound up, therefore cross air filtering nasal obstruction quality It is even more important.The quality of nasal obstruction depends primarily on its strainability, including have a stuffy nose to the filter effect of different size particulate matter with And filter efficiency, accordingly, it would be desirable to be detected by the strainability for testing nasal obstruction come the quality to nasal obstruction.
Existing strainability detection means mostly be directed to mouth mask, and be typically only capable to test filter to it is specific into Divide the filter effect of gas, it is impossible to test the synthetic filter performance of filter, i.e., can not be simultaneously big to difference to filter The filter effect and filter efficiency of small particle are detected.
Accordingly, it would be desirable to it is a kind of specifically designed for nasal obstruction, it can detect the detection means of device synthetic filter performance.
Utility model content
The purpose of this utility model is that providing a kind of nasal obstruction strainability detects storehouse, and it is dedicated for the synthesis to nasal obstruction Strainability is detected.
Another object of the present utility model is to provide a kind of strainability detection means, and it is dedicated for the comprehensive of nasal obstruction Close performance and carry out automatic detection.
What embodiment of the present utility model was realized in:
One kind nasal obstruction strainability detection storehouse, it includes warehouse and the dividing plate being arranged in warehouse, and dividing plate divides warehouse It is divided on inlet chamber and outlet chamber, the corresponding warehouse of inlet chamber and offers air inlet, is offered out on the corresponding warehouse of outlet chamber Gas port, dividing plate offers two mounting holes for placing a pair of filtering type nasal obstructions.
In the utility model preferred embodiment, the corresponding warehouse of above-mentioned inlet chamber is provided with door to be opened/closed, storehouse The edge of door is provided with the first sealing strip.
In the utility model preferred embodiment, the one side of above-mentioned warehouse opens up an insert port, the two of insert port Relative two edges of warehouse side where end respectively extends to insert port, dividing plate is inserted in warehouse by insert port.
In the utility model preferred embodiment, the thickness of aforementioned barriers is not less than the thickness that filtering type is had a stuffy nose, every Filtering type nasal obstruction is embedded to place in corresponding mounting hole.
In the utility model preferred embodiment, one end of aforementioned barriers props up side relative with insert port in warehouse Face, the other end stretches out warehouse, and is connected with one piece of cover plate, and cover plate is covered on insert port.
In the utility model preferred embodiment, the thickness of aforementioned barriers is less than the width of insert port, and the thickness of dividing plate Degree is not more than the thickness of filtering type nasal obstruction, and the edge of insert port is provided with the second sealing strip that rubber is made, the second sealing strip pressure Contracting is filled between insert port edge and dividing plate.
In the utility model preferred embodiment, the side relative with insert port is provided with mounting groove in above-mentioned warehouse, The two ends of mounting groove are respectively extended in relative two edges of side, one end insertion mounting groove of dividing plate, and the other end stretches out warehouse.
A kind of strainability detection means, it includes aerosol generator, the use for being used to produce the particulate matter containing different size Storehouse is detected in the detector and above-mentioned nasal obstruction strainability of detection particulate matter size and concentration, aerosol generator was with having a stuffy nose The air inlet connection in performance detection storehouse is filtered, detector is connected with the gas outlet in nasal obstruction strainability detection storehouse.
In the utility model preferred embodiment, being additionally provided with the passage that above-mentioned detector is connected with gas outlet can mould The air extractor of anthropomorphic body air-breathing.
It is above-mentioned also to include instead giving birth to device, air extractor and inspection with aerosol respectively in the utility model preferred embodiment Survey the computer of device connection.
The beneficial effect of the utility model embodiment is:
Nasal obstruction strainability detection storehouse of the present utility model includes warehouse and the dividing plate that is arranged in warehouse, and dividing plate is by storehouse Body, which is separated on inlet chamber and outlet chamber, the corresponding warehouse of inlet chamber, offers air inlet, is opened up on the corresponding warehouse of outlet chamber There is gas outlet, dividing plate offers two mounting holes for placing a pair of filtering type nasal obstructions, and nasal obstruction strainability detection storehouse is special Door has filled up technological gap for filtering type nasal obstruction;The strainability detection means include sequentially connect aerosol generator, Above-mentioned nasal obstruction strainability detection storehouse and detector, strainability detection means are examined dedicated for the combination property to nasal obstruction Survey, including the filter effect to different size particulate matter and the detection of filter efficiency.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 detects the structural representation in storehouse for a kind of nasal obstruction strainability that the utility model first embodiment is provided;
Fig. 2 detects the structural representation in storehouse for a kind of nasal obstruction strainability that the utility model second embodiment is provided;
A kind of structural representation for strainability detection means that Fig. 3 provides for the utility model 3rd embodiment;
Strainability of being had a stuffy nose in a kind of strainability detection means that Fig. 4 provides for the utility model 3rd embodiment is detected The structural representation in storehouse.
Icon:100- nasal obstruction strainability detections storehouse;110- warehouses;111- inlet chambers;112- outlet chambers;120- air inlets Mouthful;130- gas outlets;140- dividing plates;141- mounting holes;150- doors;The sealing strips of 160- first;200- nasal obstruction strainability inspections Survey storehouse;210- insert ports;220- cover plates;300- nasal obstruction strainability detections storehouse;310- insert ports;The sealing strips of 320- second; 330- mounting grooves;400- filtering types are had a stuffy nose;500- strainability detection means;510- aerosol generators;511- air inlet pipe; 520- detectors;521- escape pipes;530- air extractors.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model Or position relationship is that, based on orientation shown in the drawings or position relationship, or the utility model product is usually put when using Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important Property.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
First embodiment
Refer to shown in Fig. 1, the present embodiment provides a kind of nasal obstruction strainability detection storehouse 100, it include warehouse 110 and The dividing plate 140 in warehouse 110 is arranged at, warehouse 110 is separated into inlet chamber 111 and outlet chamber 112, inlet chamber 111 by dividing plate 140 Offered on corresponding warehouse 110 and offer gas outlet 130, dividing plate on air inlet 120, the corresponding warehouse 110 of outlet chamber 112 140 offer two mounting holes 141 for placing a pair of filtering type nasal obstructions 400, carry out before nasal obstruction strainability detection, will be every Filtering type nasal obstruction 400 is positioned in a mounting hole 141, have a stuffy nose 400 filter layer of filtering type is laid in corresponding installation In hole 141.The corresponding warehouse 110 of inlet chamber 111 is provided with door 150 to be opened/closed, is easy to filtering type nasal obstruction 400 being installed on Have a stuffy nose in strainability detection storehouse 100, the edge of door 150 is provided with the first sealing strip 160, close in warehouse 110 to ensure Seal effect.
Nasal obstruction strainability detects that the course of work in storehouse 100 is:
Door 150 is opened, two filtering types nasal obstructions 400 are corresponded to two mounting holes 141 being positioned on dividing plate 140 respectively It is interior, the filter layer of filtering type nasal obstruction 400 is laid in corresponding mounting hole 141, close door 150.
Then, by air inlet 120 toward being passed through a certain amount of aerosol known to particle concentration in inlet chamber 111, meanwhile, The detector that particle concentration in detection aerosol is set is connected in gas outlet 130, the data variation of record detector detection is real The now special detection to synthetic filter performance of having a stuffy nose.
Second embodiment
Refer to shown in Fig. 2, the present embodiment provides a kind of nasal obstruction strainability detection storehouse 200, it include warehouse 110 and The dividing plate 140 in warehouse 110 is arranged at, warehouse 110 is separated into inlet chamber 111 and outlet chamber 112, inlet chamber 111 by dividing plate 140 Offered on corresponding warehouse 110 and offer gas outlet 130, dividing plate on air inlet 120, the corresponding warehouse 110 of outlet chamber 112 140 offer two mounting holes 141 for placing a pair of filtering type nasal obstructions 400, and every filtering type nasal obstruction 400 is positioned over one In mounting hole 141, the filter layer of filtering type nasal obstruction 400 is laid in corresponding mounting hole 141.
Filtering type nasal obstruction 400, but not the overall sealing of destruction warehouse 110 are installed on dividing plate 140 for convenience, this Dividing plate 140 in embodiment is pluggable, specifically opens up an insert port 210 in the one side of warehouse 110, insert port 210 Two ends respectively extend to relative two edges of the side of 210 place warehouse of insert port 110, and dividing plate 140 inserts warehouse by insert port 210 In 110.Only need to open up an insert port on warehouse 110, so that it may realize dividing plate 140 into and out, extract dividing plate 140 Afterwards, filtering type nasal obstruction 400 can just be installed, after insertion dividing plate 140, is formed a complete nasal obstruction strainability inspection Survey storehouse 200.
In order to ensure that the dividing plate 140 installed after filtering type nasal obstruction 400 can be still inserted freely into warehouse 110, and dividing plate 140 With the corresponding matching of insert port 210, the overall tightness that the nasal obstruction strainability to be formed detects storehouse 200 is not interfered with, dividing plate 140 Thickness is not less than the thickness of filtering type nasal obstruction 400, and every insertion of filtering type nasal obstruction 400 is placed in corresponding mounting hole 141.
In order to be further ensured that warehouse 110 is divided into two independent chambers by dividing plate 140, one end of dividing plate 140 is located at In warehouse 110, and prop up side relative with insert port 210 in warehouse 110;The other end of dividing plate 140 stretches out warehouse 110, and One piece of cover plate 220 is connected with, cover plate 220 is covered on insert port 210.Set after cover plate 220, just can further ensure insertion The sealing of mouth 210.
Nasal obstruction strainability detects that the course of work in storehouse 200 is:
Cover plate 220 is pinched, dividing plate 140 is extracted by insert port 210, two filtering types nasal obstructions 400 are correspondingly embedded in respectively It is positioned in two mounting holes 141 on dividing plate 140, the filter layer of filtering type nasal obstruction 400 is laid in corresponding mounting hole 141 It is interior, pinch cover plate 220, dividing plate 140 inserted in warehouse 110 by insert port 210, one end of dividing plate 140 prop up in warehouse 110 with The relative inwall of insert port 210, cover plate 220 is covered on insert port 210.
Then, by air inlet 120 toward being passed through a certain amount of aerosol known to particle concentration in inlet chamber 111, meanwhile, The detector that particle concentration in detection aerosol is set is connected in gas outlet 130, the data variation of record detector detection is real The now special detection to synthetic filter performance of having a stuffy nose.
3rd embodiment
It refer to shown in Fig. 3, the present embodiment provides a kind of strainability detection means 500, and it includes the use sequentially connected In the aerosol generator 510 for producing the particle colloidal sols containing different size, nasal obstruction strainability detects storehouse 300, and for detecting The detector 520 of particulate matter size and concentration.
Wherein, shown in reference picture 4, nasal obstruction strainability detection storehouse 300 includes warehouse 110 and is arranged in warehouse 110 Dividing plate 140, warehouse 110 is separated on inlet chamber 111 and outlet chamber 112, the corresponding warehouse 110 of inlet chamber 111 by dividing plate 140 Offer and gas outlet 130 is offered on air inlet 120, the corresponding warehouse 110 of outlet chamber 112, dividing plate 140 is offered for placing Two mounting holes 141 of a pair of filtering type nasal obstructions 400.Aerosol generator 510 is examined by air inlet pipe 511 with nasal obstruction strainability The air inlet 120 for surveying storehouse 300 is connected, and detector 520 detects the gas outlet in storehouse 300 by escape pipe 521 with nasal obstruction strainability 130 connections.
Filtering type nasal obstruction 400, but not the overall sealing of destruction warehouse 110 are installed on dividing plate 140 for convenience, this Dividing plate 140 in embodiment is pluggable, and the one side of warehouse 110 opens up an insert port 310, and the two ends of insert port 310 are respectively prolonged Relative two edges of the side of 310 place warehouse of insert port 110 are extended, dividing plate 140 is inserted in warehouse 110 by insert port 310.
In order to ensure that the dividing plate 140 installed after filtering type nasal obstruction 400 can be still inserted freely into warehouse 110, and will not shadow The overall tightness that the nasal obstruction strainability formed detects storehouse 300 is rung, the thickness of dividing plate 140 is less than the width of insert port 310, and The thickness of dividing plate 140 is not more than the thickness of filtering type nasal obstruction 400, and every filtering type nasal obstruction 400 is placed in corresponding mounting hole 141 Afterwards, 400 parts of filtering type nasal obstruction protrusion dividing plate 140.The edge of insert port 310 is provided with the second sealing strip 320 that rubber is made, The compression of second sealing strip 320 is filled between the edge of insert port 310 and the dividing plate 140, to ensure sealing.Warehouse The side relative with insert port 310 is provided with mounting groove 330 in 110, and the two ends of mounting groove 330 respectively extend to the relative of the side In two edges, one end insertion mounting groove 330 of dividing plate 140, the other end of dividing plate 140 stretches out warehouse 110.Mounting groove 330 can make The dividing plate 140 of insertion is positioned.
, will necessarily be with normal breathing, in order to be able to detect filtering type nose during due to human body using filtering type nasal obstruction 400 400 strainability under normal use of plug is, it is necessary to the gas flowing produced in detection during simulation human body respiration.The present embodiment It is that can simulate the air extractor 530 of human body air-breathing by being provided with escape pipe 521.
In order to realize the strainability detection means in automated data acquiistion and analysis, the present embodiment in detection process 500 also include instead giving birth to the computer that device, air extractor 530 and detector 520 are connected with aerosol respectively, before acquisition filter Afterwards in aerosol particulate matter concentration, and data such as aerosol flow velocity, and carry out subsequent analysis draw filtering type nasal obstruction 400 To the filter effect and filter efficiency of different size particulate matter.
The course of work of strainability detection means 500 is:
The edge of dividing plate 140 is pinched, dividing plate 140 is extracted by insert port 310, two filtering types nasal obstructions 400 are corresponded to respectively It is positioned in two mounting holes 141 on dividing plate 140, the filter layer of filtering type nasal obstruction 400 is laid in corresponding mounting hole 141 It is interior, the edge of dividing plate 140 is pinched, dividing plate 140 is inserted in warehouse 110 by insert port 310, and in one end insertion mounting groove 330, separately One end is sealed by the second sealing strip 320.
Aerosol generator 510 is opened, it is produced different size, the aerosol of various concentrations particulate matter, and by entering Gas port 120 is passed through in inlet chamber 111, while opening air extractor 530, nasal obstruction strainability is detected the aerosol in storehouse 300 Flow velocity is close with the gas flow rate that human body air-breathing is produced, particle concentration in gas after the detection filtering of open detection device 520.
Particulate matter size, concentration data in preceding aerosol, pumping are filtered in computer real-time acquisition aerosol generator 510 The data such as particulate matter size, concentration in aerosol after being filtered in gas flow rate data in device 530, detector 520, analysis is obtained The filter effect and filter efficiency of filtering type 400 pairs of different size particulate matters of nasal obstruction, are realized special to nasal obstruction synthetic filter The automatic detection of energy.
In summary, nasal obstruction strainability detection storehouse of the present utility model is entered dedicated for the synthetic filter performance to nasal obstruction Row detection;Strainability detection means includes nasal obstruction strainability detection storehouse, dedicated for being carried out certainly to the combination property of nasal obstruction Dynamicization is detected.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. one kind nasal obstruction strainability detection storehouse, it is characterised in that it includes warehouse and the dividing plate being arranged in warehouse, described The warehouse is separated into inlet chamber and outlet chamber by dividing plate, offers air inlet on the corresponding warehouse of the inlet chamber, institute State and gas outlet is offered on the corresponding warehouse of outlet chamber, the dividing plate is offered for placing a pair of filtering types are had a stuffy nose two Individual mounting hole.
2. nasal obstruction strainability detection storehouse according to claim 1, it is characterised in that the corresponding storehouse of the inlet chamber Body is provided with door to be opened/closed, and the edge of the door is provided with the first sealing strip.
3. nasal obstruction strainability detection storehouse according to claim 1, it is characterised in that the one side of the warehouse opens up one Bar insert port, relative two edges of warehouse side where the two ends of the insert port respectively extend to the insert port, the dividing plate Inserted by the insert port in the warehouse.
4. nasal obstruction strainability detection storehouse according to claim 3, it is characterised in that the thickness of the dividing plate is not less than institute The thickness of filtering type nasal obstruction is stated, every filtering type nasal obstruction is embedded to place in the corresponding mounting hole.
5. nasal obstruction strainability detection storehouse according to claim 4, it is characterised in that one end of the dividing plate props up described The side relative with the insert port in warehouse, the other end stretches out the warehouse, and is connected with one piece of cover plate, and the cover plate lid is set On the insert port.
6. nasal obstruction strainability detection storehouse according to claim 3, it is characterised in that the thickness of the dividing plate is less than described The width of insert port, and the thickness of the dividing plate is not more than the thickness that the filtering type is had a stuffy nose, the edge of the insert port is set There is the second sealing strip that rubber is made, the second sealing strip compression is filled between the insert port edge and the dividing plate.
7. nasal obstruction strainability detection storehouse according to claim 6, it is characterised in that with the insert port in the warehouse Relative side is provided with mounting groove, and the two ends of the mounting groove respectively extend to relative two edges of the side, the dividing plate One end insert in the mounting groove, the other end stretches out the warehouse.
8. a kind of strainability detection means, it is characterised in that it includes the aerosol for being used to produce the particulate matter containing different size Generator, the detector for detecting particulate matter size and concentration and the filtering of the nasal obstruction as any one of claim 1 to 7 Performance detection storehouse, the aerosol generator with it is described nasal obstruction strainability detection storehouse air inlet connect, the detector and The gas outlet connection in the nasal obstruction strainability detection storehouse.
9. strainability detection means according to claim 8, it is characterised in that the detector connects with the gas outlet The air extractor of human body air-breathing can be simulated by being additionally provided with logical passage.
10. strainability detection means according to claim 9, it is characterised in that also including respectively with the aerosol Anti- raw device, the air extractor and the computer of detector connection.
CN201720355421.5U 2017-04-06 2017-04-06 Strainability of having a stuffy nose detects storehouse and strainability detection means Active CN206609757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720355421.5U CN206609757U (en) 2017-04-06 2017-04-06 Strainability of having a stuffy nose detects storehouse and strainability detection means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720355421.5U CN206609757U (en) 2017-04-06 2017-04-06 Strainability of having a stuffy nose detects storehouse and strainability detection means

Publications (1)

Publication Number Publication Date
CN206609757U true CN206609757U (en) 2017-11-03

Family

ID=60174257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720355421.5U Active CN206609757U (en) 2017-04-06 2017-04-06 Strainability of having a stuffy nose detects storehouse and strainability detection means

Country Status (1)

Country Link
CN (1) CN206609757U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107991217A (en) * 2017-12-27 2018-05-04 苏州倍安电子科技有限公司 Air filter detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107991217A (en) * 2017-12-27 2018-05-04 苏州倍安电子科技有限公司 Air filter detection device

Similar Documents

Publication Publication Date Title
ATE402653T1 (en) PORTABLE PRESSURE MEASURING DEVICE, PNEUMOTACHOMETER USABLE THEREFOR AND ASSEMBLY METHOD THEREOF
CN105807002B (en) Methanogen degraded coal seam residual guanidine glue has the experimental provision and method of aerogenesis concurrently
CN206609757U (en) Strainability of having a stuffy nose detects storehouse and strainability detection means
CN106501150A (en) A kind of mouth mask strainability tester
CN110411897A (en) Gas parameter in-situ monitoring device, in-situ monitoring system and in-situ monitoring method
CN207336147U (en) Earth's surface water isotope, water chemistry layered water sample harvester
CN212622093U (en) Evaluation new coronavirus protective mask filtration efficiency's testing arrangement
CN105334148A (en) Air purification filter element performance analysis detector
CN107367574A (en) Gas detection device
CN207318304U (en) It is a kind of to detect device of the mask to various concentrations radon gas adsorption efficiency
CN207864075U (en) Quick differential pressure measuring device for filter
CN203745144U (en) Sealed type safety valve airtightness test verifying apparatus
CN211427670U (en) Medical mask protection effect demonstration device
CN205538926U (en) Road presses down dirt agent dust suppression effect measurement experiment device
CN113916465A (en) Method and device for detecting sealing performance of protective sealed door
CN205246290U (en) Experimental device for detect fire dam seal
CN206892118U (en) Insertion slot type sampler
CN211317889U (en) Compressed air collecting device
CN208026314U (en) Detection case is equipped in Portable positive-negative-pressure biological protection
CN208350589U (en) Fabric waterproof and device for checking air permeability and circuit
CN208270385U (en) A kind of detection device of mask barrier property
CN108572131A (en) A kind of detection device and its detection method of mask barrier property
CN206281777U (en) A kind of gas concentration detection apparatus
CN206601353U (en) A kind of gas-detecting device
CN206531505U (en) A kind of pile tube angle of inclination detection set of management

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant