CN116448647B - Mask filtration efficiency detection device - Google Patents
Mask filtration efficiency detection device Download PDFInfo
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- CN116448647B CN116448647B CN202310716745.7A CN202310716745A CN116448647B CN 116448647 B CN116448647 B CN 116448647B CN 202310716745 A CN202310716745 A CN 202310716745A CN 116448647 B CN116448647 B CN 116448647B
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- 238000001514 detection method Methods 0.000 title claims abstract description 95
- 238000001914 filtration Methods 0.000 title claims abstract description 36
- 230000008093 supporting effect Effects 0.000 claims abstract description 32
- 241000894006 Bacteria Species 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000001580 bacterial effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
- C12Q1/04—Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
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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
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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
- G01N2015/084—Testing filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Pathology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- General Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Biotechnology (AREA)
- Biophysics (AREA)
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Abstract
The invention discloses a mask filtering efficiency detection device, which relates to the technical field of mask filtering, and the technical scheme is as follows: the device comprises a detection table, wherein the top of the detection table is fixedly provided with two side plates, and the top of the detection table is provided with a bacteria filtering detection mechanism and a resistance detection mechanism; the bacteria filtering detection mechanism comprises a plurality of clamping plates, the plurality of clamping plates are fixedly arranged at the top of the detection table, a culture dish is arranged between the plurality of clamping plates, a supporting table is arranged at the bottom of the culture dish, a sliding rod is fixedly arranged at the bottom of the supporting table, the sliding rod penetrates through the detection table and is in sliding connection with the detection table, a bottom pushing plate is fixedly arranged at the bottom of the sliding rod, a fixing frame is fixedly arranged at the bottom of the detection table, the sliding rod penetrates through the fixing frame and is in sliding connection with the fixing frame, a first spring is sleeved outside the sliding rod, a partition plate is arranged on the outer fixing sleeve of the sliding rod, and the bacteria filtering detection mechanism has the beneficial effects that: the detection precision is high, intelligent degree is high, more effective detect bacterial filtration efficiency, calculate resistance, and detection data is sufficient to embody.
Description
Technical Field
The invention relates to the technical field of mask filtration, in particular to a mask filtration efficiency detection device.
Background
The mask is used for isolating viruses and dust outside the mouth and nose of a human body, so that the influence of human body inhalation of bacterial viruses, dust and the like on the health is avoided, and therefore, if the filtering efficiency of the mask is poor, the health of a wearer can be influenced, and for this reason, a mask manufacturer can detect the filtering efficiency of the mask after producing the mask.
The mask that current gauze mask production was accomplished the back and is had to carry out sampling detection to the gauze mask that same batch was produced, detects the filtration efficiency of gauze mask, and traditional detecting means precision is lower, intelligent degree is low, and the detection data embody inadequately, can't more effectually detect bacterial filtration efficiency.
Disclosure of Invention
Therefore, the invention provides the mask filtering efficiency detection device, which solves the problems that the accuracy of a detection mode is low, the intelligent degree is low, the detection data is not enough to embody, and the bacteria filtering efficiency cannot be detected more effectively.
In order to achieve the above object, the present invention provides the following technical solutions: the mask filtering efficiency detection device comprises a detection table, wherein two side plates are fixedly arranged at the top of the detection table, and a bacteria filtering detection mechanism and a resistance detection mechanism are arranged at the top of the detection table;
the bacterial filtering detection mechanism comprises a plurality of clamping plates, wherein the clamping plates are fixedly arranged at the top of the detection table, a plurality of culture dishes are arranged between the clamping plates, a supporting table is arranged at the bottom of the culture dishes, a sliding rod is fixedly arranged at the bottom of the supporting table, the sliding rod penetrates through the detection table and is in sliding connection with the detection table, a bottom push plate is fixedly arranged at the bottom of the sliding rod, a fixing frame is fixedly arranged at the bottom of the detection table, the sliding rod penetrates through the fixing frame and is in sliding connection with the fixing frame, a first spring is sleeved outside the sliding rod, a partition plate is fixedly sleeved outside the sliding rod, one end of the first spring is fixedly connected with the fixing frame, two telescopic rods are fixedly arranged at the top of the side plates, two second springs are fixedly sleeved outside the telescopic rods, a fixing plate is fixedly arranged at the top of the telescopic rods, a blower is fixedly arranged at the top of the fixing plate, an input pipe is fixedly connected with an output end of the blower, a second connecting pipe is fixedly connected with the output end of the blower, and the second connecting pipe penetrates through the fixing plate.
Preferably, the resistance detection mechanism comprises a supporting plate, the backup pad is fixed to be located and detects a top, the fixed glass cover that is equipped with in backup pad top, the inside light ball that is equipped with of glass cover, the fixed motion camera that is equipped with in backup pad top, it all is fixed to be equipped with first electric putter to detect a both sides, two first electric putter output and backup pad fixed connection, glass cover one side is fixed and is equipped with first connecting pipe, first connecting pipe runs through the backup pad, first connecting pipe bottom is equipped with the support section of thick bamboo, the support section of thick bamboo runs through and detects a platform, it is fixed to be equipped with gas humidifier to detect a bottom, gas humidifier output and support section of thick bamboo fixed connection, gas humidifier input fixedly connected with cross tube, cross tube input is connected with gas heater, gas heater fixed locates and detects a bottom of the platform, gas heater output fixedly connected with siphunculus.
Preferably, two side sliding grooves are formed in one side of the side plate, side sliding blocks are arranged in the side sliding grooves, a screw rod is connected to the inside of the side sliding grooves through a bearing, the screw rod penetrates through the side sliding blocks and is connected with the side sliding blocks through threads, motors are fixedly arranged on one side of the side plate, motor output ends are respectively connected with the two screw rods, clamping assemblies are arranged on one side of the side sliding blocks, the clamping assemblies comprise sliding grooves, the sliding grooves are formed in one side of the side sliding blocks, fixing rods are fixedly arranged in the sliding grooves, sliding blocks are sleeved outside the fixing rods, the sliding blocks are connected with the fixing rods in a sliding mode, third springs are sleeved outside the fixing rods, one side of each sliding block is fixedly connected with an upper clamping plate, the top of each upper clamping plate is fixedly connected with a connecting base, limiting wheels are connected to the top of the connecting base through bearings, the bottoms of the upper clamping plates are respectively connected with lower clamping plates, and a mask body is arranged between the upper clamping plates and the lower clamping plates.
Preferably, the detection table top is provided with a slot, the detection table top is fixedly provided with a baffle, the detection table bottom is fixedly provided with a collecting basket, and one side of the collecting basket is provided with a collecting box.
Preferably, two limit sliding rail plates are fixedly arranged on one sides of the side plates, and the two limit sliding rail plates are respectively contacted with the two limit wheels.
Preferably, both sides of the fixing plate are connected with side pulleys through bearings.
Preferably, two the equal fixed second electric putter that is equipped with in curb plate one side, two the equal fixedly connected with push pedal of second electric putter output, two equal fixedly connected with support frame in push pedal one side, two the support frame inboard is all connected with the push wheel through the bearing.
Preferably, the circular groove is formed in the top of the detection table, and the circular groove is formed in the bottom of the support table.
Preferably, the side slide slides within the side slide groove.
Preferably, the four corners of the bottom of the detection table are fixedly provided with supporting legs.
The embodiment of the invention has the following advantages:
the culture dish is placed on the supporting table in the middle of the clamping plate, the culture medium is injected into the culture dish, the mask body is covered on the surface of the culture dish, the second connecting pipe is in contact with the mask body and is tightly attached to the culture dish, external air is conveyed into the second connecting pipe through the air blower and the input pipe, the conveying pressure simulates the suction force of people when inhaling, the culture dish is covered and stored at normal temperature, whether bacteria in air are completely filtered or the initial bacteria entering number can be measured according to the growth degree of the bacteria can be measured by observing whether the bacteria grow in the culture dish, the bacterial filtration efficiency is measured, the detection precision is high, the intelligent degree is high, and the bacterial filtration efficiency is more effectively detected;
the mask body is sealed at the top of the supporting cylinder through the first connecting pipe, carbon dioxide is introduced through the through pipe, the temperature of the human body exhaled is raised through the gas heater, the human body exhales is humidified through the gas humidifier, the carbon dioxide passes through the mask body through the supporting cylinder and enters the inside of the first connecting pipe, the gas pushes the light ball to move upwards, the ascending height of the light ball is photographed through the moving camera, so that the resistance is calculated, and the detection data are sufficiently embodied.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a top view of an overall structure provided by the present invention;
FIG. 2 is a front view of the overall structure provided by the present invention;
FIG. 3 is a cross-sectional view of the overall structure provided by the present invention;
FIG. 4 is a cross-sectional view of a second overall structure provided by the present invention;
FIG. 5 is a perspective view of a clamping assembly provided by the present invention;
FIG. 6 is an enlarged view of the structure of portion A in FIG. 2 according to the present invention;
fig. 7 is an enlarged view of the B part structure in fig. 4 according to the present invention.
In the figure: 1. a detection table; 2. a collection basket; 3. support legs; 4. a collection box; 5. a baffle; 6. slotting; 7. a side plate; 8. a side chute; 9. a support plate; 10. a first connection pipe; 11. a first electric push rod; 12. a support cylinder; 13. a motion camera; 14. a glass cover; 15. a fixing plate; 16. a side pulley; 17. a blower; 18. an input tube; 19. a culture dish; 20. a second connection pipe; 21. a clamping plate; 22. a second electric push rod; 23. a push plate; 24. a motor; 25. a limit sliding rail plate; 26. a screw rod; 27. a bottom push plate; 28. a lightweight pellet; 29. a gas humidifier; 30. a transverse tube; 31. a through pipe; 32. a gas heater; 33. a mask body; 34. a support table; 35. a fixing frame; 36. a slide bar; 37. a circular groove; 38. a first spring; 39. a telescopic rod; 40. a second spring; 41. a partition plate; 42. a fixed rod; 43. the base is connected; 44. a limiting wheel; 45. a sliding block; 46. a third spring; 47. an upper clamping plate; 48. a lower clamping plate; 49. a sliding groove; 50. a side slider; 51. a support frame; 52. push wheel.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the mask filtering efficiency detection device provided by the invention comprises a detection table 1, wherein two side plates 7 are fixedly arranged at the top of the detection table 1, and a bacteria filtering detection mechanism and a resistance detection mechanism are arranged at the top of the detection table 1;
the bacteria filtering detection mechanism comprises a plurality of clamping plates 21, a plurality of clamping plates 21 are fixedly arranged at the top of a detection table 1, a culture dish 19 is arranged between the clamping plates 21, a supporting table 34 is arranged at the bottom of the culture dish 19, a sliding rod 36 is fixedly arranged at the bottom of the supporting table 34, the sliding rod 36 penetrates through the detection table 1 and is in sliding connection with the detection table 1, a bottom push plate 27 is fixedly arranged at the bottom of the sliding rod 36, a fixing frame 35 is fixedly arranged at the bottom of the detection table 1, the sliding rod 36 penetrates through the fixing frame 35 and is in sliding connection with the fixing frame 35, a first spring 38 is sleeved outside the sliding rod 36, a partition 41 is fixedly sleeved outside the sliding rod 36, one end of the first spring 38 is fixedly connected with the fixing frame 35, the other end of the first spring 38 is fixedly connected with the partition 41, telescopic rods 39 are fixedly arranged at the top of the side plates 7, a second spring 40 is fixedly sleeved outside the telescopic rods 39, a fixing plate 15 is fixedly arranged at the top of the two telescopic rods 39, a blower 17 is fixedly arranged at the top of the fixing plate 15, an input end of the blower 17 is fixedly connected with an input pipe 18, and an output end of the blower 17 is fixedly connected with a second connecting pipe 20, and the second connecting pipe 20 is fixedly connected with the second connecting pipe 20;
in this embodiment, the culture dish 19 is placed on the supporting table 34 in the middle of the clamping plate 21, the culture dish 19 is filled with a culture medium, the mask body 33 is covered on the surface of the culture dish 19, the second connecting pipe 20 is contacted with the mask body 33 and is tightly attached to the culture dish 19, the air outside is conveyed into the second connecting pipe 20 through the blower 17 and the input pipe 18, the conveying pressure simulates the suction force of people when inhaling, the culture dish 19 is covered and stored at normal temperature, whether bacteria in the air are completely filtered or the initial bacteria entering number can be measured according to the growth degree of the bacteria can be measured by observing whether bacteria grow in the culture dish 19, and the bacterial filtration efficiency is measured;
in order to achieve the purpose of resistance detection, the device is achieved by adopting the following technical scheme: the resistance detection mechanism comprises a support plate 9, the support plate 9 is fixedly arranged at the top of a detection table 1, a glass cover 14 is fixedly arranged at the top of the support plate 9, a light ball 28 is arranged in the glass cover 14, a moving camera 13 is fixedly arranged at the top of the support plate 9, first electric push rods 11 are fixedly arranged at two sides of the detection table 1, the output ends of the two first electric push rods 11 are fixedly connected with the support plate 9, a first connecting pipe 10 is fixedly arranged at one side of the glass cover 14, the first connecting pipe 10 penetrates through the support plate 9, a support cylinder 12 is arranged at the bottom of the first connecting pipe 10, the support cylinder 12 penetrates through the detection table 1, a gas humidifier 29 is fixedly arranged at the bottom of the detection table 1, the output end of the gas humidifier 29 is fixedly connected with the support cylinder 12, the input end of the gas humidifier 29 is fixedly connected with a transverse pipe 30, the input end of the transverse tube 30 is connected with a gas heater 32, the gas heater 32 is fixedly arranged at the bottom of the detection table 1, the output end of the gas heater 32 is fixedly connected with a through tube 31, after the mask body 33 moves to the top of the support tube 12, the first electric push rod 11 is started, the first electric push rod 11 drives the support plate 9 to move downwards, the support plate 9 drives the first connecting tube 10 to move downwards, the first connecting tube 10 seals the mask body 33 at the top of the support tube 12, carbon dioxide is introduced through the through tube 31, the temperature of the gas heater 32 is raised to the temperature of human body exhalation, the gas humidifier 29 humidifies, the human exhalation is simulated, the carbon dioxide passes through the mask body 33 and enters the inside of the first connecting tube 10, the gas pushes the light ball 28 to move upwards, and the movement camera 13 shoots the ascending height of the light ball 28, so that the resistance is calculated;
in order to achieve the purpose of fixing the mask, the device is achieved by adopting the following technical scheme: the side sliding grooves 8 are formed in one side of each side plate 7, the side sliding blocks 50 are arranged in the side sliding grooves 8, the screw rods 26 are connected in the side sliding grooves 8 through bearings, the screw rods 26 penetrate through the side sliding blocks 50 and are connected with the side sliding blocks 50 through threads, the motors 24 are fixedly arranged on one side of each side plate 7, the output ends of the motors 24 are fixedly connected with the screw rods 26, the clamping assemblies are arranged on one side of each side sliding block 50, each clamping assembly comprises a sliding groove 49, the sliding grooves 49 are formed in one side of the side sliding block 50, fixing rods 42 are fixedly arranged in the sliding grooves 49, sliding blocks 45 are sleeved outside the fixing rods 42 and are in sliding connection with the sliding blocks 45, third springs 46 are sleeved outside the fixing rods 42, upper clamping plates 47 are fixedly connected to one side of the sliding blocks 45, the top of the upper clamping plate 47 is fixedly connected with the connecting base 43, the top of the connecting base 43 is connected with the limit wheels 44 through bearings, the bottom of the upper clamping plate 47 is provided with the lower clamping plate 48, the lower clamping plate 48 is fixedly connected with the side sliding blocks 50, the mask body 33 is arranged between the upper clamping plate 47 and the lower clamping plate 48, the side sliding blocks 50 slide in the side sliding grooves 8, the limit sliding rail plates 25 are fixedly arranged on one side of the two side plates 7, the two limit sliding rail plates 25 are respectively contacted with the two limit wheels 44, the side sliding blocks 50 drive the clamping assembly to move, the limit wheels 44 are contacted with the limit sliding rail plates 25 through the limit wheels 44, the limit sliding rail plates 25 push the limit wheels 44 to move downwards, the connecting base 43 is pushed by the limit wheels 44 to move downwards, the upper clamping plate 47 is driven by the connecting base 43 to move downwards, the sliding blocks 45 are driven by the upper clamping plates 45 to compress the third springs 46, the mask body 33 is pressed tightly through the upper clamping plate 47 and the lower clamping plate 48, and the mask body 33 is controlled to move through the clamping assembly;
wherein, in order to realize the purpose that abandonment gauze mask was collected, this device adopts following technical scheme to realize: the top of the detection table 1 is provided with a slot 6, the top of the detection table 1 is fixedly provided with a baffle 5, the bottom of the detection table 1 is fixedly provided with a collection basket 2, one side of the collection basket 2 is provided with a collection box 4, after a limit wheel 44 of a clamping assembly is not contacted with a limit sliding rail plate 25, a third spring 46 rebounds and pushes an upper clamping plate 47 to move upwards, so that the clamping assembly loosens the fixation of the mask body 33, a side sliding block 50 continuously controls the mask body 33 to move, the mask body 33 is pushed into the slot 6 by the blocking of the baffle 5, and the waste mask is collected by the collection box 4;
in order to achieve the purpose of controlling downward movement, the device is achieved by adopting the following technical scheme: the fixed plate 15 both sides all are connected with the sideslip wheel 16 through the bearing, two the equal fixed second electric putter 22 that is equipped with in curb plate 7 one side, two the equal fixedly connected with push pedal 23 of second electric putter 22 output, two the equal fixedly connected with support frame 51 in push pedal 23 one side, two the support frame 51 inboard is connected with push wheel 52 through the bearing, starts second electric putter 22, and second electric putter 22 starts and drives push pedal 23 and remove, and push pedal 23 removes and drives support frame 51 and push wheel 52 and remove, makes push wheel 52 promote bottom push pedal 27 and moves down, and bottom push pedal 27 drives slide bar 36 and moves down, and slide bar 36 drives baffle 41 and moves down, and baffle 41 drives first spring 38 compression, and slide bar 36 drives supporting bench 34 simultaneously and moves down, starts second electric putter 22, and second electric putter 22 drives push pedal 23 and moves down and drives side pulley 16 and move, makes side pulley 16 drive fixed plate 15 and move down.
Wherein, in order to realize the purpose of conveniently accomodating, this device adopts following technical scheme to realize: the top of the detection table 1 is provided with a circular groove 37, the circular groove 37 is arranged at the bottom of the support table 34, and the support table 34 enters the circular groove 37.
In order to achieve the purpose of supporting, the device is achieved by adopting the following technical scheme: the four corners of the bottom of the detection table 1 are fixedly provided with supporting legs 3, and the supporting legs 3 have supporting effect.
The application process of the invention is as follows: in the use of the invention, the detection is carried out in a sterile environment, the culture dish 19 is placed on the supporting table 34 in the middle of the clamping plate 21, the culture dish 19 is filled with culture medium, the second electric push rod 22 is started and drives the push plate 23 to move, the push plate 23 is moved and drives the supporting frame 51 and the push wheel 52 to move, the push wheel 52 is used for pushing the bottom push plate 27 to move downwards, the bottom push plate 27 is used for driving the slide bar 36 to move downwards, the slide bar 36 is used for driving the partition 41 to move downwards, the partition 41 is used for driving the first spring 38 to compress, meanwhile, the slide bar 36 is used for driving the supporting table 34 to move downwards, the supporting table 34 enters the round groove 37, meanwhile, the culture dish 19 falls on the surface of the detection table 1, the mask body 33 is placed on the top of the two lower clamping plates 48, the motor 24 is started, the motor 24 is used for driving the screw 26 to rotate, the screw 26 is used for driving the side slide block 50 to move, the clamping assembly is driven by the side slide block 50 to move, the limiting wheel 44 is contacted with the limiting slide rail plate 25, the limiting slide rail plate 25 pushes the limiting wheel 44 to move downwards, the limiting wheel 44 pushes the connecting base 43 to move downwards, the connecting base 43 drives the upper clamping plate 47 to move downwards, the upper clamping plate 47 drives the sliding block 45 to move downwards, the sliding block 45 compresses the third spring 46, the mask body 33 is pressed tightly through the upper clamping plate 47 and the lower clamping plate 48, the mask body 33 is controlled to move through the clamping component, the mask body 33 covers the surface of the culture dish 19, the second electric push rod 22 is continuously started, the second electric push rod 22 drives the push plate 23 to move, the push plate 23 moves and drives the side pulley 16 to move downwards, the side pulley 16 drives the fixing plate 15 to move downwards, the fixing plate 15 drives the second connecting pipe 20 to move downwards, the second connecting pipe 20 contacts with the mask body 33 and is tightly attached to the culture dish 19, external air is conveyed into the second connecting pipe 20 through the air blower 17 and the input pipe 18, the conveying pressure mimics the suction force of a person when inhaling, after a period of time, the second electric push rod 22 is started to control the push plate 23 to spread towards two sides, the push plate 23 is not contacted with the side pulley 16, the telescopic rod 39 and the second spring 40 rebound and push the fixed plate 15 to move upwards, the fixed plate 15 drives the second connecting pipe 20 to move upwards, meanwhile, the side sliding block 50 moves and controls the mask body 33 to move away and carry out a resistance detection mechanism of the next step, meanwhile, the push wheel 52 is not contacted with the bottom push plate 27, the first spring 38 rebound and push the partition 41 to move upwards, the partition 41 drives the sliding rod 36 and the supporting table 34 to move upwards, the supporting table 34 pushes the culture dish 19 upwards, the culture dish 19 is conveniently moved away, the culture dish 19 is covered and stored at normal temperature, by observing whether bacteria grow inside the culture dish 19, the method can determine whether bacteria in the air are completely filtered or the initial bacteria entering number can be determined according to the growth degree of the bacteria, the bacteria filtering efficiency is measured, after the mask body 33 moves to the top of the supporting tube 12, the first electric push rod 11 is started, the first electric push rod 11 drives the supporting plate 9 to move downwards, the supporting plate 9 drives the first connecting tube 10 to move downwards, the first connecting tube 10 seals the mask body 33 at the top of the supporting tube 12, carbon dioxide is introduced through the through tube 31, the temperature of the breathing out of a human body is increased through the gas heater 32, the breathing out of the human body is simulated through the gas humidifier 29, the carbon dioxide passes through the mask body 33 through the supporting tube 12 and enters the inside of the first connecting tube 10, the gas pushes the light ball 28 to move upwards, and the ascending height of the light ball 28 is shot through the moving camera 13, so that the resistance is calculated.
The above description is of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (8)
1. Mask filtration efficiency detection device, including detecting platform (1), its characterized in that: two side plates (7) are fixedly arranged at the top of the detection table (1), and a bacteria filtering detection mechanism and a resistance detection mechanism are arranged at the top of the detection table (1);
the bacteria filtering detection mechanism comprises a plurality of clamping plates (21), a plurality of clamping plates (21) are fixedly arranged at the top of a detection table (1), a plurality of culture dishes (19) are arranged between the clamping plates (21), a supporting table (34) is arranged at the bottom of each culture dish (19), a sliding rod (36) is fixedly arranged at the bottom of each supporting table (34), each sliding rod (36) penetrates through the detection table (1) and is in sliding connection with the detection table (1), a bottom push plate (27) is fixedly arranged at the bottom of each sliding rod (36), a fixing frame (35) is fixedly arranged at the bottom of each detection table (1), a sliding rod (36) penetrates through the fixing frame (35) and is in sliding connection with the fixing frame (35), a first spring (38) is sleeved outside each sliding rod (36), a partition plate (41) is arranged on the outer fixing sleeve of each sliding rod (36), one end of each first spring (38) is fixedly connected with the fixing frame (35), the other end of each first spring (38) is fixedly connected with the partition plate (41), telescopic rods (39) are fixedly arranged at the top of each side plate (7), two outer telescopic rods (39) are fixedly provided with two fixing plates (15) respectively, two fixing plates (15) are fixedly arranged at the top of each fixing plate, the input end of the air blower (17) is fixedly connected with an input pipe (18), the output end of the air blower (17) is fixedly connected with a second connecting pipe (20), and the second connecting pipe (20) penetrates through the fixed plate (15);
the resistance detection mechanism comprises a support plate (9), the support plate (9) is fixedly arranged at the top of a detection table (1), a glass cover (14) is fixedly arranged at the top of the support plate (9), a light ball (28) is arranged inside the glass cover (14), a motion camera (13) is fixedly arranged at the top of the support plate (9), first electric push rods (11) are fixedly arranged at two sides of the detection table (1), the output ends of the two first electric push rods (11) are fixedly connected with the support plate (9), a first connecting pipe (10) is fixedly arranged at one side of the glass cover (14), the first connecting pipe (10) penetrates through the support plate (9), a support cylinder (12) is arranged at the bottom of the first connecting pipe (10), a gas humidifier (29) is fixedly arranged at the bottom of the detection table (1), the output end of the gas humidifier (29) is fixedly connected with the support cylinder (12), a transverse pipe (30) is fixedly connected with the input end of the gas humidifier (29), a gas heater (32) is fixedly connected with the input end of the transverse pipe (30), and the heater (32) is fixedly arranged at the bottom of the detection table (1);
the two side plates (7) are provided with side sliding grooves (8) on one side, the two side sliding grooves (8) are internally provided with side sliding blocks (50), the two side sliding grooves (8) are internally connected with a screw rod (26) through bearings, the screw rod (26) penetrates through the side sliding blocks (50) and is connected with the side sliding blocks (50) through threads, the two side plates (7) are fixedly provided with motors (24) on one side, the two output ends of the motors (24) are respectively fixedly connected with the two screw rods (26), the two side sliding blocks (50) are respectively provided with a clamping assembly, the clamping assembly comprises a sliding groove (49), the sliding groove (49) is formed in one side of the side sliding blocks (50), a fixed rod (42) is fixedly arranged in the sliding groove (49), a sliding block (45) is sleeved outside the fixed rod (42), one side of the sliding block (45) is fixedly connected with an upper clamping plate (47), the upper clamping plate (47) is fixedly connected with a base (43) through a base (43), the lower clamping plate (48) is fixedly connected with the side sliding block (50), and a mask body (33) is arranged between the upper clamping plate (47) and the lower clamping plate (48).
2. The mask filtering efficiency detection device according to claim 1, wherein: the detection table (1) top is provided with a slot (6), the detection table (1) top is fixedly provided with a baffle (5), the detection table (1) bottom is fixedly provided with a collection basket (2), and one side of the collection basket (2) is provided with a collection box (4).
3. The mask filtering efficiency detection device according to claim 1, wherein: two curb plate (7) one side is all fixed be equipped with spacing slide rail board (25), two spacing slide rail board (25) respectively with two spacing wheel (44) contact.
4. The mask filtering efficiency detection device according to claim 1, wherein: both sides of the fixed plate (15) are connected with side pulleys (16) through bearings.
5. The mask filtering efficiency detection device according to claim 1, wherein: two curb plate (7) one side is all fixed be equipped with second electric putter (22), two equal fixedly connected with push pedal (23) of second electric putter (22) output, two equal fixedly connected with support frame (51) of push pedal (23) one side, two support frame (51) inboard all is connected with push wheel (52) through the bearing.
6. The mask filtering efficiency detection device according to claim 1, wherein: a circular groove (37) is formed in the top of the detection table (1), and the circular groove (37) is formed in the bottom of the supporting table (34).
7. The mask filtering efficiency detection device according to claim 1, wherein: the side sliding block (50) slides in the side sliding groove (8).
8. The mask filtering efficiency detection device according to claim 1, wherein: supporting legs (3) are fixedly arranged at four corners of the bottom of the detection table (1).
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| CN202310716745.7A CN116448647B (en) | 2023-06-16 | 2023-06-16 | Mask filtration efficiency detection device |
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| CN202310716745.7A CN116448647B (en) | 2023-06-16 | 2023-06-16 | Mask filtration efficiency detection device |
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| CN116952804A (en) * | 2023-09-20 | 2023-10-27 | 南通鸿腾线带有限公司 | Mask filtering efficiency detection device for mask production |
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| CN116448647A (en) | 2023-07-18 |
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