CN109238939A - A kind of canister entirety anti-dust performance test device - Google Patents
A kind of canister entirety anti-dust performance test device Download PDFInfo
- Publication number
- CN109238939A CN109238939A CN201811145628.5A CN201811145628A CN109238939A CN 109238939 A CN109238939 A CN 109238939A CN 201811145628 A CN201811145628 A CN 201811145628A CN 109238939 A CN109238939 A CN 109238939A
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- China
- Prior art keywords
- canister
- perforation
- test
- cabinet
- dust performance
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Classifications
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- 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
-
- 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
- G01N2015/084—Testing filters
-
- 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
- G01N2015/0866—Sorption
Abstract
The present invention provides a kind of canister entirety anti-dust performance test device, including test cabinet and test two chamber doors of the front side wall of cabinet by hinge hingedly, the inner roof wall of the test cabinet is fixedly connected with hydraulic cylinder, and the output end of hydraulic cylinder is connected with fixed device, the fixed device connects the output end of analog breathing equipment by connection hose perforation, and analog breathing equipment is fixedly plugged on the roof of test cabinet.The present invention overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, by first closing the inlet and outlet of canister, then the characteristics of specific aim imitates human breathing, carries out the input of air-flow, and by supplementing tolerance in the air quality flow statistical unit time, it is compared finally by filter paper with the very poor color board of standard, the anti-dust performance of canister can be measured, effective solution anti-dust performance test structure is simple, the undesirable problem of test result.
Description
Technical field
The present invention relates to fire-fighting test equipment technical fields, and in particular to a kind of canister entirety anti-dust performance test dress
It sets.
Background technique
Canister is to be removed the dust in air, poisonous and harmful substance by physical absorption and chemical reaction, is exhaled for people
The device of suction.Usual canister is used cooperatively with breathing mask.Canister is epidemic prevention critically important in social life, protection use
Product more seem extremely important especially when for example earthquake, flood, infectious disease (such as SARS) are popular for terrible disaster.
Since canister is usually used cooperatively with breathing mask, the quality of canister depends primarily on its filtering and absorption function
Can, this requires the tank body anti-dust performances of canister must keep well, so the anti-dust performance detection to canister just seems
It is particularly important.
Authorization Notice No. is the patent of CN101587028B, discloses a kind of testing device for dustproof property of canister, it is wrapped
Include gas source, air gas flow control system, canister stationary fixture and timer, it is characterised in that: the air gas stream
Amount control system is directly connected to built in air gas source, and a respirator system, device tool will be connected to after both air flow modulation
There is the advantages of simple, reliable and adjustable air flow, but the device when testing can not effective specific aim imitation
The characteristics of human breathing, carries out the input of air-flow, causes the result of test unsatisfactory, for this purpose, we have proposed a kind of canisters
Whole anti-dust performance test device.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of canister entirety anti-dust performance test device, overcomes
The deficiencies in the prior art, design is rationally, compact-sized, and by first closing the inlet and outlet of canister, then specific aim imitates the mankind
The characteristics of breathing, carries out the input of air-flow, and by supplementing tolerance in the air quality flow statistical unit time, finally by mistake
Filter paper is compared with the very poor color board of standard, can measure the anti-dust performance of canister, effective solution anti-dust performance test
Structure is simple, the undesirable problem of test result.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of canister entirety anti-dust performance test device passes through hinge including test cabinet and the front side wall for testing cabinet
The inner roof wall of two hinged chamber doors, the test cabinet is fixedly connected with hydraulic cylinder, and the output end of hydraulic cylinder is connected with admittedly
Determine device, the fixed device connects the output end of analog breathing equipment by connection hose perforation, and analog breathing equipment is solid
Surely it is plugged on the roof of test cabinet, the lower section of the fixed device is equipped with canister ontology, and the lower end of canister ontology
It is placed in the placing groove that pedestal upper end opens up, the lower end of the pedestal is fixedly connected with the inner bottom wall of test cabinet, described to put
The inner bottom wall for setting slot offers the L shape through-hole of perforation base side wall, and laterally one section of perforation of L shape through-hole is connected with second exhaust
Pipe, the input terminal of the other end perforation connecting test device of the second exhaust pipe, and the output end of test device penetrates through connection
There is downtake pipe, the other end of the downtake pipe runs through the side wall of test cabinet and reaches the exocoel of test cabinet；
The test device includes testing cassete, and input terminal and the second exhaust pipe perforation of the testing cassete connect, and test
Output end and the downtake pipe perforation of box connect, and the upper end perforation of the testing cassete is connected with rectangle frame, and rectangle frame is interior
Side walls are plugged with rubber stopper, and the lower end of the rubber stopper is fixedly connected with test paper installing frame, and the inside of test paper installing frame
Wall is detachable to be fixedly installed with filter paper.
Preferably, the fixed device includes lower platen, and the upper end of the lower platen and the output end of hydraulic cylinder connect, and
The middle part sliding plug of lower platen has metal tube, and the upper end of the metal tube penetrates through with the input terminal for connecting hose and connects, and gold
The lower end perforation for belonging to pipe is connected with upper fixed seat, the lower end that the upper end of fixed seat passes through multiple support springs and lower platen
Connection, and the upper end of upper fixed seat is covered with the first copper contact blade, the lower end of the lower platen is covered with and the first copper contact blade phase
The second copper contact blade matched.
Preferably, the analog breathing equipment includes sleeve, and the sleeve is fixedly plugged on the roof of test cabinet, and
Multiple air inlets are offered on the roof of sleeve, the inner sidewall of the sleeve slidably connects rubber cup, and the upper end of rubber cup
It is vertically connected with push-pull rod, the upper end of the push-pull rod reaches the exocoel of sleeve and is vertically connected with cross bar, and the side wall of cross bar
On offer strip through-hole, sliding block is slidably connected in the strip through-hole, and the rear end of sliding block is fixedly connected on round turntable
Front side wall edge, the driving shaft in the middle part of the rear wall of the round turntable on connection servo motor, and servo motor passes through branch
Frame is fixedly connected with the upper end of sleeve, and the lower end of the sleeve reaches the inner cavity of test cabinet and perforation is connected with check valve, and
The output end perforation connection of check valve connects the input terminal of hose, is equipped with gas flowmeter on the connection hose.
Preferably, the lower end of fixed seat is fixedly connected with the rubber pad to match with the upper end of canister ontology.
Preferably, slide rheostat is fixedly installed on the side wall of the test cabinet.
Preferably, rubber ring, and the upper end of the lower end of rubber ring and pedestal are socketed on the side wall of the canister ontology
It is fixedly connected.
Preferably, the upper end of the pedestal is connected by two symmetrically arranged telescopic rods with the lower end of lower platen.
Preferably, the lower end of the test cabinet is fixedly connected there are four support leg, and multiple support legs are in matrix distribution.
(3) beneficial effect
The embodiment of the invention provides a kind of canister entirety anti-dust performance test devices.Have it is following the utility model has the advantages that
1, by the composite structure between fixed device and pedestal, effectively the inlet and outlet of canister ontology are sealed up,
The leakproofness for guaranteeing canister ontology, substantially ensures the accuracy of testing result.
2, the air body by the composite structure of rubber cup and push-pull rod, when pulling up push-pull rod, below rubber cup
Product increases, and pressure reduces, the air above rubber cup just from rubber cup surrounding be extruded into below be pressed downward push-pull rod when, rubber
Leather cup lower air volume-diminished, pressure increase, make rubber cup tight against barrel, the air extrusion in sleeve is entered to connect hose
In, simulate the breathing of people, it is ensured that detection structure is accurate.
3, by the composite structure of rectangle frame and rubber stopper, effectively by the inner cavity of rubber stopper indentation rectangle frame, guarantee to survey
The sealing of box is tried, meanwhile, the elastic construction of rubber stopper, it is ensured that the air that rubber stopper will not be easily tested in box is pushed up
It opens, sealing effect is more preferably.
4, by the way that slide rheostat is added, cooperate servo motor, effectively simulate under different crowd and varying environment, people
Respiratory rate, it is ensured that the accuracy of testing result.
5, pass through the composite structure of check valve and gas flowmeter, after canister ontology fixes, gas flowmeter
Accurate detection is passed through the flow of air, detects the dust-proof effect of canister ontology unit air.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structure of the invention outside drawing；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is structure of the invention rearview；
Fig. 4 is fixture structure schematic diagram；
Fig. 5 is analog breathing equipment structural schematic diagram；
Fig. 6 is schematic structural diagram of testing device.
In figure: test cabinet 1, chamber door 2, hydraulic cylinder 3, fixed device 4, lower platen 41, metal tube 42, upper fixed seat 43,
Support spring 44, the first copper contact blade 45, the second copper contact blade 46, rubber pad 47,
Analog breathing equipment 5, sleeve 51, rubber cup 52, push-pull rod 53, cross bar 54, round turntable 55, check valve 56, gas
Flowmeter body 57, slide rheostat 58, servo motor 59,
Connect hose 6, canister ontology 7, pedestal 8, test device 9, testing cassete 91, rectangle frame 92, rubber stopper 93, test paper
Installing frame 94, filter paper 95,
Downtake pipe 10, telescopic rod 11, rubber ring 12,
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to attached drawing, a kind of canister entirety anti-dust performance test device, before test cabinet 1 and test cabinet 1
The inner roof wall of side wall two chamber doors 2 hinged by hinge, the test cabinet 1 is fixedly connected with hydraulic cylinder 3, and hydraulic cylinder 3
Output end be connected with fixed device 4, the output that the fixed device 4 passes through the connection perforation connection analog breathing equipment 5 of hose 6
End, and analog breathing equipment 5 is fixedly plugged on the roof of test cabinet 1, the lower section of the fixed device 4 is equipped with canister sheet
Body 7, and the lower end of canister ontology 7 is placed in the placing groove that 8 upper end of pedestal opens up, the lower end of the pedestal 8 and test box
The inner bottom wall of body 1 is fixedly connected, and the inner bottom wall of the placing groove offers the L shape through-hole of perforation 8 side wall of pedestal, and L shape through-hole
Laterally one section of perforation be connected with second exhaust pipe, the input of the other end perforation connecting test device 9 of the second exhaust pipe
End, and the output end perforation of test device 9 is connected with downtake pipe 10, the other end of the downtake pipe 10 is through test
The side wall of cabinet 1 and the exocoel for reaching test cabinet 1；
The test device 9 includes testing cassete 91, and input terminal and the second exhaust pipe perforation of the testing cassete 91 connect, and
Output end and downtake pipe 10 perforation of testing cassete 91 connect, and the upper end perforation of the testing cassete 91 is connected with rectangle frame 92,
And the inner sidewall sliding plug of rectangle frame 92 has rubber stopper 93, the lower end of the rubber stopper 93 is fixedly connected with test paper installing frame
94, and test paper installing frame 94 inner sidewall it is detachable be fixedly installed with filter paper 95, effectively by rubber stopper 93 be pressed into rectangle
The inner cavity of frame 92 guarantees the sealing of testing cassete 91, meanwhile, the elastic construction of rubber stopper 93, it is ensured that rubber stopper 93 will not be light
Air in easy tested box 91 is opened, and sealing effect is more preferably.
The fixed device 4 includes lower platen 41, and the upper end of the lower platen 41 is connect with the output end of hydraulic cylinder 3, and
The middle part sliding plug of lower platen 41 has metal tube 42, and the upper end of the metal tube 42 is penetrated through with the input terminal for connecting hose 6 to be connected
It connects, and the lower end perforation of metal tube 42 is connected with upper fixed seat 43, the upper end of fixed seat 43 passes through multiple support springs
44 connect with the lower end of lower platen 41, and the upper end of upper fixed seat 43 is covered with the first copper contact blade 45, under the lower platen 41
End is covered with the second copper contact blade 46 to match with the first copper contact blade 45, effectively seals up the inlet and outlet of canister ontology 7,
The leakproofness for guaranteeing canister ontology 7, substantially ensures the accuracy of testing result.
The analog breathing equipment 5 includes sleeve 51, and the sleeve 51 is fixedly plugged on the roof of test cabinet 1, and
Multiple air inlets are offered on the roof of sleeve 51, the inner sidewall of the sleeve 51 slidably connects rubber cup 52, and rubber cup
52 upper end is vertically connected with push-pull rod 53, and the upper end of the push-pull rod 53 reaches the exocoel of sleeve 51 and is vertically connected with cross bar
54, and strip through-hole is offered on the side wall of cross bar 54, sliding block is slidably connected in the strip through-hole, and the rear end of sliding block is solid
Surely the front side wall edge of round turntable 55, the master in the middle part of the rear wall of the round turntable 55 on connection servo motor 59 are connected to
Moving axis, and servo motor 59 is fixedly connected by bracket with the upper end of sleeve 51, the lower end of the sleeve 51 reaches test cabinet 1
Inner cavity and perforation be connected with check valve 56, and the input terminal of the output end perforation connection connection hose 6 of check valve 56, the company
It connecing and gas flowmeter 57 is installed on hose 6, when pulling up push-pull rod 53, the volume of air of 52 lower section of rubber cup increases,
Pressure reduces, the air of the top of rubber cup 52 just from 52 surrounding of rubber cup be extruded into below be pressed downward push-pull rod 53 when, rubber
52 lower air volume-diminisheds of bowl, pressure increase, and make rubber cup 52 tight against barrel, and the air extrusion in sleeve 51 is entered connection
In hose 6, the breathing of people is simulated, it is ensured that detection structure is accurate.
The lower end of fixed seat 43 is fixedly connected with the rubber pad 47 to match with the upper end of canister ontology 7, has
The leakproofness for ensuring 7 upper end of canister ontology inlet and outlet of effect, guarantees the accuracy of test result.
It is described test cabinet 1 side wall on be fixedly installed with slide rheostat 58, can by adjust slide rheostat 58,
The revolving speed of servo motor 59 is adjusted, to simulate under different crowd and varying environment, the respiratory rate of people, it is ensured that detection
As a result accuracy.
Rubber ring 12 is socketed on the side wall of the canister ontology 7, and the lower end of rubber ring 12 and the upper end of pedestal 8 are solid
Fixed connection, effectively ensures the leakproofness of 7 lower end of canister ontology inlet and outlet, guarantees the accuracy of test result.
The upper end of the pedestal 8 is connected by two symmetrically arranged telescopic rods 11 with the lower end of lower platen 41, effectively
Limit stay the downlink track of pressing plate 41, guarantee that upper fixed seat 43 accurately seals up 7 upper end of canister ontology inlet and outlet.
The lower end of the test cabinet 1 is fixedly connected there are four support leg, and multiple support legs are in matrix distribution, effectively
Test cabinet 1 is supported, guarantees the even running of test device.
The hydraulic cylinder 3 and external power supply collectively constitute a series circuit by conducting wire, first copper contact blade 45, the
Two copper contact blades 46, slide rheostat 58 and servo motor 59 collectively constitute a series circuit by conducting wire with external power supply.
As shown in figures 1 to 6, a kind of canister entirety anti-dust performance test device working principle is as follows: debugging through staff
Afterwards, chamber door 2 is opened, the lower end inlet and outlet of canister ontology 7 are put into the placing groove that 8 upper end of pedestal opens up, case is then turned off
Door 2 connects external power supply, and hydraulic cylinder 3 starts, and lower platen 41 is pushed to move downward, and upper fixed seat 43 contradicts and covers filter poison
The upper end of tank ontology 7 is imported and exported, and lower platen 41 continues traveling downwardly, and upper fixed seat 43 cooperates pedestal 8 to seal and fixes canister sheet
Body 7；
At this point, the first copper contact blade 45 is contradicted to the second copper contact blade 46, circuit communication, the starting of servo motor 59, drive circle
Turntable 55 rotates, and fixed sliding block slides in strip through-hole on 55 front side wall of round turntable, pushes rubber cup 52 in sleeve 51
Inner cavity in slide up and down, when push-pull rod 53 moves upwards, the volume of air of the lower section of rubber cup 52 increases, and pressure reduces,
When the air of the top of rubber cup 52 is just extruded into lower section from 52 surrounding of rubber cup and is pressed downward push-pull rod 53, below rubber cup 52
Volume of air reduces, and pressure increases, and makes rubber cup 52 tight against barrel, the air extrusion in sleeve 51 is entered to connect in hose 6,
Extraneous air extrusion is entered to connect in hose 6 by the breathing for simulating people, and it is quasi- to connect the gas flowmeter 57 installed on hose 6
The flow of true measurement gas；
Meanwhile it can be by adjusting slide rheostat 58, to adjust the revolving speed of servo motor 59, to simulate different people
Under group and varying environment, the respiratory rate of people, it is ensured that the accuracy of testing result；
Then, the air connected in hose 6 is entered in canister ontology 7 by metal tube 42, by canister ontology 7
Filtering and purification, air are entered in testing cassete 91 by L shape through-hole and second exhaust pipe, and pass through first exhaust by filter paper
Pipe 10 is discharged；
Determine the accurate unit time, after the time reaches, hydraulic cylinder 3 drives lower platen 41 to be lifted upwards, pulls the
One copper contact blade 45 leaves the second copper contact blade 46, and servo motor 59 is closed, at this point, opening chamber door 2, pulls up rubber stopper 93, took out
Filter paper 95 is compared with the very poor color board of standard, can measure the anti-dust performance of canister in the unit time by filter paper 95.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of canister entirety anti-dust performance test device is cut with scissors including test cabinet and the front side wall for testing cabinet by hinge
Two chamber doors connect, it is characterised in that: the inner roof wall of the test cabinet is fixedly connected with hydraulic cylinder, and the output end of hydraulic cylinder
It is connected with fixed device, the fixed device connects the output end of analog breathing equipment by connection hose perforation, and simulation is exhaled
It inhales device to be fixedly plugged on the roof of test cabinet, the lower section of the fixed device is equipped with canister ontology, and canister sheet
The lower end of body is placed in the placing groove that pedestal upper end opens up, the fixed company of inner bottom wall of the lower end and test cabinet of the pedestal
It connects, the inner bottom wall of the placing groove offers the L shape through-hole of perforation base side wall, and laterally one section of perforation connection of L shape through-hole
There are second exhaust pipe, the input terminal of the other end perforation connecting test device of the second exhaust pipe, and the output of test device
End perforation is connected with downtake pipe, and the other end of the downtake pipe through the side wall for testing cabinet and reaches test cabinet
Exocoel；
The test device includes testing cassete, and input terminal and the second exhaust pipe perforation of the testing cassete connect, and testing cassete
Output end and downtake pipe perforation connect, and the upper end perforation of the testing cassete is connected with rectangle frame, and the inner sidewall of rectangle frame
Sliding plug has rubber stopper, and the lower end of the rubber stopper is fixedly connected with test paper installing frame, and the inner sidewall of test paper installing frame can
It is detachably fixed and filter paper is installed.
2. a kind of canister entirety anti-dust performance test device as described in claim 1, it is characterised in that: the fixed device
Including lower platen, the upper end of the lower platen and the output end of hydraulic cylinder are connected, and the middle part sliding plug of lower platen has metal
Pipe, the upper end of the metal tube penetrate through with the input terminal for connecting hose and connect, and the lower end perforation of metal tube is connected with fixation
The upper end of seat, fixed seat is connected by the lower end of multiple support springs and lower platen, and the upper end of upper fixed seat pastes
There is the first copper contact blade, the lower end of the lower platen is covered with the second copper contact blade to match with the first copper contact blade.
3. a kind of canister entirety anti-dust performance test device as described in claim 1, it is characterised in that: the simulated respiration
Device includes sleeve, and the sleeve is fixedly plugged on the roof of test cabinet, and multiple air inlets are offered on the roof of sleeve
Hole, the inner sidewall of the sleeve slidably connects rubber cup, and the upper end of rubber cup is vertically connected with push-pull rod, the push-pull rod
Upper end reach the exocoel of sleeve and be vertically connected with cross bar, and strip through-hole is offered on the side wall of cross bar, the bar shaped is logical
Sliding block is slidably connected in hole, and the rear end of sliding block is fixedly connected on the front side wall edge of round turntable, the round turntable
Driving shaft in the middle part of rear wall on connection servo motor, and servo motor is fixedly connected by bracket with the upper end of sleeve, it is described
The lower end of sleeve reaches the inner cavity of test cabinet and perforation is connected with check valve, and the output end perforation connection connection of check valve is soft
The input terminal of pipe is equipped with gas flowmeter on the connection hose.
4. a kind of canister entirety anti-dust performance test device as claimed in claim 2, it is characterised in that: fixed seat
Lower end be fixedly connected with the rubber pad to match with the upper end of canister ontology.
5. a kind of canister entirety anti-dust performance test device as claimed in claim 3, it is characterised in that: the test cabinet
Side wall on be fixedly installed with slide rheostat.
6. a kind of canister entirety anti-dust performance test device as described in claim 1, it is characterised in that: the canister sheet
Rubber ring is socketed on the side wall of body, and the lower end of rubber ring is fixedly connected with the upper end of pedestal.
7. a kind of canister entirety anti-dust performance test device as described in claim 1, it is characterised in that: the pedestal it is upper
End is connected by two symmetrically arranged telescopic rods with the lower end of lower platen.
8. a kind of canister entirety anti-dust performance test device as described in claim 1, it is characterised in that: the test cabinet
Lower end be fixedly connected there are four support leg, and multiple support legs are in matrix distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145628.5A CN109238939B (en) | 2018-09-29 | 2018-09-29 | Integral dustproof performance testing device for canister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145628.5A CN109238939B (en) | 2018-09-29 | 2018-09-29 | Integral dustproof performance testing device for canister |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109238939A true CN109238939A (en) | 2019-01-18 |
| CN109238939B CN109238939B (en) | 2020-10-02 |
Family
ID=65055198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811145628.5A Active CN109238939B (en) | 2018-09-29 | 2018-09-29 | Integral dustproof performance testing device for canister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238939B (en) |
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| CN111426620A (en) * | 2020-04-23 | 2020-07-17 | 湖北华强科技有限责任公司 | Canister protection time detection device |
| CN113220053A (en) * | 2021-04-30 | 2021-08-06 | 湖北华强科技股份有限公司 | Test device for simulating canister protecting time against steam and using method |
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| CN111426620A (en) * | 2020-04-23 | 2020-07-17 | 湖北华强科技有限责任公司 | Canister protection time detection device |
| CN113220053A (en) * | 2021-04-30 | 2021-08-06 | 湖北华强科技股份有限公司 | Test device for simulating canister protecting time against steam and using method |
| CN113220053B (en) * | 2021-04-30 | 2022-05-06 | 湖北华强科技股份有限公司 | Test device for simulating canister protecting time against steam and using method |
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