CN218865722U - Gauze mask filtration efficiency detection device - Google Patents
Gauze mask filtration efficiency detection device Download PDFInfo
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- CN218865722U CN218865722U CN202222621684.XU CN202222621684U CN218865722U CN 218865722 U CN218865722 U CN 218865722U CN 202222621684 U CN202222621684 U CN 202222621684U CN 218865722 U CN218865722 U CN 218865722U
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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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model provides a gauze mask filtration efficiency detection device, including detecting platform, the host computer, people's face mould and detection mechanism, the nasal part of people's face mould communicates the inside and outside of people's face mould, detection mechanism includes first particulate matter concentration sensor, second particulate matter concentration sensor, dirty air box, outlet duct and automatically controlled shower nozzle, wear the gauze mask back on the people's face mould, open automatically controlled shower nozzle, automatically controlled shower nozzle blows off the dirty air in the dirty air box to people's face mould department, second particulate matter concentration sensor and first particulate matter concentration sensor have been set up respectively in the inside and outside of people's face mould, the host computer can handle the filtration efficiency who obtains the gauze mask according to the particulate matter concentration information that two particulate matter concentration sensors detected, and because the gauze mask is worn on people's face mould, can simulate real wearing the condition, consequently, can guarantee the accuracy of filtration efficiency testing result.
Description
Technical Field
The utility model relates to a gauze mask production technical field, in particular to gauze mask filtration efficiency detection device.
Background
The mask is used for isolating viruses and dust outside the mouth and the nose of a human body, and the influence of the human body on the health caused by the fact that the human body inhales bacteria, viruses, dust and the like is avoided, so the health of a wearer can be influenced if the filtering efficiency of the mask is poor, and therefore, after the mask is produced by a mask manufacturer, the filtering efficiency of the mask can be detected, the mask is only clamped and fixed in the traditional mask efficiency detection process, for example, a fixture (D1 for testing the filtering efficiency of the mask with the publication number of CN 215968373U) is provided, the D1 does not simulate the real environment of wearing, the attaching mode of the mask and the fixture is more different from the attaching mode of the mask to the face, and an accurate filtering efficiency detection result cannot be obtained.
Disclosure of Invention
In view of this, the utility model provides a gauze mask filtration efficiency detection device can simulate the true condition of wearing of gauze mask, guarantees the accuracy of filtration efficiency testing result.
The technical scheme of the utility model is realized like this:
a mask filtration efficiency detection device comprises a detection table, an upper computer, a face mold and a detection mechanism, wherein the upper computer and the face mold are arranged on the upper surface of the detection table, the nose part of the face mold is communicated with the inner part and the outer part of the face mold, the detection mechanism comprises a first particulate matter concentration sensor, a second particulate matter concentration sensor, a dust-containing air box, an air outlet pipe and an electric control spray head, the dust-containing air box and the first particulate matter concentration sensor are arranged on the upper surface of the detection table, the first particulate matter concentration sensor is arranged between the dust-containing air box and the face mold, the second particulate matter concentration sensor is arranged inside the face mold, one end of the air outlet pipe stretches into the dust-containing air box, the other end of the air outlet pipe is connected with the electric control spray head, the electric control spray head faces the face mold, and the upper computer is respectively and electrically connected with the first particulate matter concentration sensor, the second particulate matter concentration sensor and the electric control spray head.
Preferably, the detection mechanism further comprises a purified air box, an air outlet pump and a ventilation pipe, the purified air box is arranged on the upper surface of the detection table, an air inlet end of the air outlet pump is connected with the purified air box, an air outlet end of the air outlet pump is connected with one end of the ventilation pipe, the other end of the ventilation pipe is connected with the interior of the face mold, and the upper computer is electrically connected with the air outlet pump.
Preferably, the device further comprises supporting legs, and the supporting legs are arranged on the bottom surface of the detection table.
Preferably, the bottom of the face mold is provided with a fixing plate, and the fixing plate is provided with a threaded hole.
Preferably, still include gauze mask laminating mechanism, gauze mask laminating mechanism includes lifter plate, gasbag, inflating pump, portal frame and electric putter, the portal frame sets up and is examining test table upper surface, electric putter sets up on the portal frame, and its output shaft is connected with the lifter plate top surface, the gasbag sets up on the lifter plate lateral wall, the inflating pump sets up on the lateral wall that the gasbag was kept away from to the lifter plate to be connected with the gasbag through the inflating pipe, the host computer is connected with inflating pump and electric putter electricity respectively.
Preferably, gauze mask laminating mechanism still includes bleeder and solenoid valve, the bleeder is connected with the gasbag, the solenoid valve sets up on the bleeder, the host computer is connected with the solenoid valve electricity.
Preferably, the upper surface of the detection table is provided with a groove, the groove is located between the first particulate matter concentration sensor and the face mold, and the lifting plate is located right above the groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a gauze mask filtration efficiency detection device, be provided with the people's face mould on the test table, the nasal part of people's face mould communicates the inside and outside air circumstance of people's face mould, wear the gauze mask back on the people's face mould, can control automatically controlled shower nozzle and spout the people's face mould department with dirty air, and set up first particulate matter concentration sensor between people's face mould and automatically controlled shower nozzle, simultaneously at the inside second particulate matter concentration sensor that has set up of people's face mould, detect the particulate matter concentration in the air circumstance of the people's face mould inside and outside after the gauze mask separates through two particulate matter concentration sensor, the upper computer can handle the filtration efficiency who obtains the gauze mask according to the particulate matter concentration of inside and outside, because the gauze mask is worn on people's face mould, can simulate real circumstances of wearing, guarantee the accuracy of filtration efficiency testing result.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a first embodiment of a mask filtering efficiency detection device according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the mask filtering efficiency detecting device according to the present invention;
in the figure, 1 is a detection table, 2 is an upper computer, 3 is a human face mold, 4 is a nose part, 5 is a first particulate matter concentration sensor, 6 is a second particulate matter concentration sensor, 7 is a dust-containing air tank, 8 is an air outlet pipe, 9 is an electronic control spray head, 10 is a clean air tank, 11 is an air outlet pump, 12 is a scavenging pipe, 13 is a supporting leg, 14 is a fixing plate, 15 is a threaded hole, 16 is a lifting plate, 17 is an air bag, 18 is an air inflating pump, 19 is a portal frame, 20 is an electric push rod, 21 is an air inflating pipe, 22 is an air discharging pipe, 23 is an electromagnetic valve, and 24 is a groove.
Detailed Description
In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1, the utility model provides a pair of gauze mask filtration efficiency detection device, including examining test table 1, host computer 2, people's face mould 3 and detection mechanism, host computer 2 and people's face mould 3 set up at examining test table 1 upper surface, the inside and outside of nasal part 4 intercommunication people's face mould 3 of people's face mould 3, detection mechanism includes first particulate matter concentration sensor 5, second particulate matter concentration sensor 6, dust-containing air case 7, outlet duct 8 and automatically controlled shower nozzle 9, dust-containing air case 7 and first particulate matter concentration sensor 5 set up at examining test table 1 upper surface, first particulate matter concentration sensor 5 sets up between dust-containing air case 7 and people's face mould 3, second particulate matter concentration sensor 6 sets up inside people's face mould 3, 8 one end of outlet duct stretches into in dust-containing air case 7, and the other end is connected with automatically controlled shower nozzle 9, automatically controlled shower nozzle 9 is towards people's face mould 3, host computer 2 is connected with first particulate matter concentration sensor 5, second particulate matter concentration sensor 6 and automatically controlled shower nozzle 9 electricity respectively.
A gauze mask filtration efficiency detection device of this embodiment, fixed face mould 3 that has set up on test table 1, face mould 3 is used for simulating human structure, it includes the ear, nasal part 4, the mouth, characteristics such as eye, certain sunken and protruding profile has, the nasal part 4 of face mould 3 and the inside and outside air circumstance intercommunication of face mould 3, before detecting, the gauze mask that will wait to detect is worn on face mould 3, and make gauze mask laminating face mould 3 shape after, open automatically controlled shower nozzle 9 through host computer 2, automatically controlled shower nozzle 9 passes through the dirty air of outlet duct 8 transport back blowout to face mould 3 department, and the particulate matter concentration information in the dusty air of blowout can be detected to first particulate matter concentration sensor 5 between face mould 3 and automatically controlled shower nozzle 9, equally, set up second particulate matter concentration sensor 6 in face mould 3, be used for detecting the particulate matter concentration information in the inside air circumstance of face mould 3, because face mould 3 is worn on face mould 3, the isolated air circumstance has carried out 3, consequently, the air concentration difference value in the mould 3 outside the mould 3, it is accurate to guarantee that the filtration efficiency difference value is worn according to the real face mould 3 of the filtration that the environment is worn.
The first particulate matter concentration sensor 5 and the second particulate matter concentration sensor 6 of the present embodiment are model number PMS3003.
Preferably, the detection mechanism further comprises a purified air box 10, an air outlet pump 11 and a ventilation pipe 12, the purified air box 10 is arranged on the upper surface of the detection table 1, an air inlet end of the air outlet pump 11 is connected with the purified air box 10, an air outlet end of the air outlet pump is connected with one end of the ventilation pipe 12, the other end of the ventilation pipe 12 is connected with the inside of the human face mold 3, and the upper computer 2 is electrically connected with the air outlet pump 11.
In order to ensure the accuracy of the detection result, before detection at every time, the air outlet pump 11 is controlled by the upper computer 2 to work, the air outlet pump 11 conveys clean air in the air purifying box 10 to the face mold 3 through the ventilation pipe 12, air in the face mold 3 is extruded from the nose part 4, replacement of air inside the face mold 3 is achieved, and then the mask is worn to detect the filtering efficiency.
Preferably, the device further comprises supporting feet 13, and the supporting feet 13 are arranged on the bottom surface of the detection platform 1.
The supporting legs 13 are used for lifting the height of the detection table 1, so that workers can easily wear the mask on the face mold 3.
Preferably, a fixing plate 14 is arranged at the bottom of the face mold 3, and a threaded hole 15 is formed in the fixing plate 14.
The screw is fixed on the detection platform 1 after passing through the threaded hole 15 on the fixing plate 14, so that the face mold 3 can be fixed, and the detection effect is prevented from being influenced by the movement of the face mold 3 in the detection process.
Referring to the second embodiment shown in fig. 2, the mask attaching device further comprises a mask attaching mechanism, the mask attaching mechanism comprises a lifting plate 16, an air bag 17, an inflating pump 18, a portal frame 19 and an electric push rod 20, the portal frame 19 is arranged on the upper surface of the detection table 1, the electric push rod 20 is arranged on the portal frame 19, an output shaft of the electric push rod is connected with the top surface of the lifting plate 16, the air bag 17 is arranged on the side wall of the lifting plate 16, the inflating pump 18 is arranged on the side wall of the lifting plate 16 far away from the air bag 17 and is connected with the air bag 17 through an inflating pipe 21, and the upper computer 2 is electrically connected with the inflating pump 18 and the electric push rod 20 respectively.
After the face mould 3 is worn to the gauze mask, make 16 drive airbags 17 of lifter plate and descend to one side of face mould 3 through host computer 2 control electric putter 20, then open inflation pump 18, inflation pump 18 can inflate airbags 17, 17 bloated back of gasbag and face mould 3 contacts, under the inflation of gasbag 17 constantly, can extrude gauze mask and the laminating of face mould 3, avoid artifical laminating to lead to laminating not tightly and influence the detection of filtration efficiency.
Preferably, gauze mask laminating mechanism still includes bleeder 22 and solenoid valve 23, bleeder 22 is connected with gasbag 17, solenoid valve 23 sets up on bleeder 22, host computer 2 is connected with the solenoid valve 23 electricity.
After the laminating process of gauze mask is accomplished, can open solenoid valve 23, make the air in the gasbag 17 flow out from the gas release pipe 22, after gasbag 17 reconversion, electric putter 20 can drive lifter plate 16 and rise, then carry out filtration efficiency's detection again.
Preferably, the upper surface of the detection table 1 is provided with a groove 24, the groove 24 is positioned between the first particulate matter concentration sensor 5 and the face mold 3, and the lifting plate 16 is positioned over the groove 24.
In order to ensure the attaching effect, when the lifting plate 16 descends, the bottom of the lifting plate can be embedded into the groove 24 for limiting, and the lifting plate 16 can not deviate in the process of swelling the air bag 17.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a gauze mask filtration efficiency detection device, its characterized in that, is including detecting platform, host computer, people's face mould and detection mechanism, host computer and people's face mould set up at detecting platform upper surface, the inside and outside of nasal part intercommunication people's face mould of people's face mould, detection mechanism includes first particulate matter concentration sensor, second particulate matter concentration sensor, dusty air tank, outlet duct and automatically controlled shower nozzle, dusty air tank and first particulate matter concentration sensor set up at detecting platform upper surface, first particulate matter concentration sensor sets up between dusty air tank and people's face mould, second particulate matter concentration sensor sets up inside people's face mould, outlet duct one end stretches into in the dusty air tank, and the other end is connected with automatically controlled shower nozzle, automatically controlled shower nozzle is towards people's face mould, the host computer is connected with first particulate matter concentration sensor, second particulate matter concentration sensor and automatically controlled shower nozzle electricity respectively.
2. The mask filtering efficiency detecting device according to claim 1, wherein the detecting mechanism further comprises a clean air box, an air outlet pump and a ventilation tube, the clean air box is disposed on the upper surface of the detecting table, an air inlet end of the air outlet pump is connected to the clean air box, an air outlet end of the air outlet pump is connected to one end of the ventilation tube, the other end of the ventilation tube is connected to the inside of the human face mold, and the upper computer is electrically connected to the air outlet pump.
3. The mask filtration efficiency detection apparatus of claim 1 further comprising support feet disposed on a bottom surface of the detection platform.
4. The mask filtering efficiency detecting device according to claim 1, wherein a fixing plate is disposed at the bottom of the face mold, and a threaded hole is disposed on the fixing plate.
5. The mask filtration efficiency detection device of claim 1, further comprising a mask attaching mechanism, wherein the mask attaching mechanism comprises a lifting plate, an air bag, an inflation pump, a portal frame and an electric push rod, the portal frame is arranged on the upper surface of the detection table, the electric push rod is arranged on the portal frame, an output shaft of the electric push rod is connected with the top surface of the lifting plate, the air bag is arranged on the side wall of the lifting plate, the inflation pump is arranged on the side wall, far away from the air bag, of the lifting plate and is connected with the air bag through the inflation pipe, and the upper computer is electrically connected with the inflation pump and the electric push rod respectively.
6. The mask filtration efficiency detection device of claim 5, wherein the mask attaching mechanism further comprises an air bleeding pipe and an electromagnetic valve, the air bleeding pipe is connected with the air bag, the electromagnetic valve is arranged on the air bleeding pipe, and the upper computer is electrically connected with the electromagnetic valve.
7. The mask filtration efficiency detection apparatus of claim 5, wherein the detection table has a groove on an upper surface thereof, the groove is located between the first particle concentration sensor and the face mold, and the lifting plate is located directly above the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222621684.XU CN218865722U (en) | 2022-09-30 | 2022-09-30 | Gauze mask filtration efficiency detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222621684.XU CN218865722U (en) | 2022-09-30 | 2022-09-30 | Gauze mask filtration efficiency detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218865722U true CN218865722U (en) | 2023-04-14 |
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ID=87371935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222621684.XU Active CN218865722U (en) | 2022-09-30 | 2022-09-30 | Gauze mask filtration efficiency detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218865722U (en) |
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2022
- 2022-09-30 CN CN202222621684.XU patent/CN218865722U/en active Active
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