CN212483267U - Mask air permeability detection device - Google Patents
Mask air permeability detection device Download PDFInfo
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- CN212483267U CN212483267U CN202020316653.1U CN202020316653U CN212483267U CN 212483267 U CN212483267 U CN 212483267U CN 202020316653 U CN202020316653 U CN 202020316653U CN 212483267 U CN212483267 U CN 212483267U
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- air
- blower
- detection device
- cavity
- mask
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Abstract
The utility model is suitable for a gauze mask detection area provides a gauze mask gas permeability detection device, and the blast air frequency of first air-blower and second air-blower is the same with the normal breathing of human body, is the liquid nitrogen in the distribution storehouse, and the connected mode of distribution storehouse and first air-blower is bolted connection, because the utility model discloses be equipped with two air-blowers, the liquid nitrogen that the first air-blower released can effectively help the testing personnel to judge whether the condition that has the edge gas leakage of gauze mask to guarantee the accuracy of test data, the second air-blower released is normal gas, and the frequency of two air-blowers all is the same with people's actual respiratory frequency, improves the practicality of data; secondly, the utility model is also provided with a face simulation device to simulate the position condition of the actual exhaled air of people; thirdly, the utility model discloses gaseous single diaphragm valve improvement data accuracy is equipped with in gas flow detection device position.
Description
Technical Field
The utility model belongs to gauze mask detection area especially relates to a gauze mask gas permeability detection device.
Background
This product of gauze mask has been merged into among people's daily life now, along with the improvement of scientific and technological progress and the change of people's law of life, people's standard of living is by a wide margin improved, people also promote quality of life's requirement, also the same in the aspect of personal protection, people can select the initiative gauze mask of wearing when oneself catch a cold or the relatively poor place of business trip air quality, so select a money and wear comfortable gauze mask also and become more and more important, whether the gas permeability is then wears an important index whether comfortable, and present gas permeability detects mostly to the detection of single material, and lack the holistic detection of gauze mask, lead to the consumer sometimes to be difficult to buy the better gauze mask of whole gas permeability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gauze mask gas permeability detection device aims at solving the problem that current detection mode lacks the whole gas permeability detection of gauze mask.
The utility model is realized in such a way, a gauze mask gas permeability detection device, including cavity, upper chamber, first air-blower, second air-blower, facial analogue means and gas flow detection device down, its characterized in that, the preceding terminal surface of cavity is equipped with glass safety guide rail groove down, cavity inboard upper portion position is equipped with facial analogue means guide rail groove down, cavity up end is installed two guide rails down, cavity right side wall bottom position is equipped with the first air guide hole and the second air guide hole that run through the right wall down, first air guide hole and second air guide hole are furnished with the first air-blower and the second air-blower that the output bore is the same, first air-blower is furnished with the distribution chamber, the preceding terminal surface of upper chamber is equipped with observation window frame, be equipped with visual glass in the observation window frame, upper chamber bottom is equipped with two guide rail grooves, go up cavity right side wall and be equipped with the detection air vent that runs through the right wall, gas flow detection device be furnished with the bore with detect the unanimous test tube of air vent, facial analogue means upper surface is equipped with mouth nose simulation through-hole, and both sides are equipped with ear's simulator, and the bottom is equipped with the connector, a mouth nose simulation through-hole side end face is kept away from to the connector is equipped with facial analogue means guide rail.
Furthermore, the glass guide rail groove is provided with detachable sealing glass.
Furthermore, the glass installation rail groove, the face simulator rail groove, the rail groove and the observation window frame are coated with a sealing material.
Furthermore, sealed gas transmission is carried out between the first air guide hole and the output port of the first air blower and between the second air guide hole and the output port of the second air blower through hoses.
Furthermore, the blowing frequency of the first blower and the second blower is the same as the normal breathing of the human body.
Furthermore, liquid nitrogen is arranged in the gas distribution bin, and the gas distribution bin is connected with the first air blower in a bolt connection mode.
Furthermore, the detection pipe is connected with the detection vent hole in a bolt connection mode, and the connection position is coated with a sealing material.
Furthermore, a gas single-phase diaphragm valve is arranged at a through hole at one end of the detection tube, which is far away from the upper cavity.
Compared with the prior art, the beneficial effects of the utility model are that: because the utility model is provided with two blowers, the liquid nitrogen released by the first blower can effectively help the inspector judge whether the air leakage condition of the edge of the mask occurs or not so as to ensure the accuracy of the test data, the liquid nitrogen released by the second blower is normal gas, and the frequency of the two blowers is the same as the actual respiratory frequency of people, thus improving the practicability of the data; secondly, the utility model is also provided with a face simulation device to simulate the position condition of the actual exhaled air of people; thirdly, the utility model discloses gaseous single diaphragm valve improvement data accuracy is equipped with in gas flow detection device position.
Drawings
Fig. 1 is a first view schematically illustrating an overall assembly structure of the utility model;
fig. 2 is a second perspective view of the overall assembly structure of the utility model;
fig. 3 is a schematic view of the facial simulator of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2 and 3, a device for detecting the permeability of a mask comprises a lower cavity 1, an upper cavity 2, a first blower 6, a second blower 7, a face simulator 3 and a gas flow detection device 9, and is characterized in that a glass guide rail groove 101 is arranged on the front end face of the lower cavity 1, a face simulator guide rail groove 102 is arranged on the upper portion of the inner side of the lower cavity 1, two guide rails 103 are arranged on the upper end face of the lower cavity 1, a first gas guide hole 4 and a second gas guide hole 5 penetrating through the right wall are arranged at the bottom of the right side wall of the lower cavity 1, the first gas guide hole 4 and the second gas guide hole 5 are provided with the first blower 6 and the second blower 7 with the same output caliber, the first blower 6 is provided with a gas distribution chamber 8, an observation window frame 202 is arranged on the front end face of the upper cavity 2, and visible glass is arranged in the observation window frame 202, the bottom of the upper cavity 2 is provided with two guide rail grooves 201, the right side wall of the upper cavity 2 is provided with a detection vent hole 10 penetrating through the right wall, the gas flow detection device 9 is provided with a detection pipe 901 with the caliber consistent with that of the detection vent hole 10, the upper surface of the face simulation device 3 is provided with a mouth-nose simulation through hole 303, ear simulators 301 are arranged on two sides of the face simulation device, the bottom of the face simulation device is provided with a connector 304, and the end surface of one side of the connector 304, far away from the mouth-nose simulation through hole 303, is provided with a face; the glass guide rail groove 101 is provided with detachable sealed glass, so that a sealed environment is provided for testing, external gas is prevented from entering the detection device, and the data accuracy is improved; the glass installation guide rail groove 101, the face simulation device guide rail groove 102, the guide rail groove 201 and the observation window frame 202 are coated with sealing materials, so that a closed environment is provided for testing, external gas is prevented from entering the detection device, and the data accuracy is improved; sealed gas transmission is carried out between the first gas guide hole 4 and the output port of the first blower 6 and between the second gas guide hole 5 and the output port of the second blower 7 through hoses, so that a sealed environment is provided for testing, external gas is prevented from entering the detection device, and the data accuracy is improved; the blowing frequency of the first blower 6 and the second blower 7 is the same as the normal breathing of a human body, so that the normal breathing condition of people is simulated, and the practicability of detection data is improved; the gas distribution bin 8 is internally filled with liquid nitrogen, the gas distribution bin 8 is connected with the first air blower 6 through bolts, the liquid nitrogen is visible in the air, so that a tester can be effectively helped to judge whether the edge of the mask leaks gas, the bolts are convenient to install, and the gas distribution bin 8 can be replaced conveniently; the detection pipe 901 is connected with the detection vent hole 10 by bolts, and the joints are coated with sealing materials, so that the bolts are convenient to install, the gas flow detection device 9 is convenient to maintain in the later period, a closed environment is provided for testing, external gas is prevented from entering the detection device, and the data accuracy is improved; a gas single-phase diaphragm valve is arranged at a through hole on the detection tube 901, which is far away from one end of the upper cavity 2, so that a closed environment is provided for testing, external gas is prevented from entering the detection device, and the data accuracy is improved.
After the utility model is installed and the equipment is powered on, the elastic rope of the mask to be detected is placed on the face simulation device 3 through the ear simulator 301, then the detector uses the adhesive tape to stick the edge position of the mask with the face simulation device 3, then the mask is installed in the lower cavity 1 by means of the mutual matching of the face simulation device guide rail 302 on the face simulation device 3 and the face simulation device guide rail groove 102, then the detachable airtight glass is installed in the glass installation guide rail 101, then the detector opens the first air blower 6 to release liquid nitrogen, the detector observes whether the air leakage condition occurs around the mask, if so, the detector uses the adhesive tape to block and then detects again until the air leakage condition occurs around, if not, the second air blower 7 is opened for a period of time to discharge the liquid nitrogen in the lower cavity 1 and stands for a period of time, then, the upper cavity 2 is mounted on the lower cavity 1 through the mutual matching of the guide rail 103 and the guide rail groove 201, then the gas flow detection device 9 is mounted, the detection can be started, and after the detection is finished, all parts are disassembled and then are separately stored.
Compared with the prior art, the beneficial effects of the utility model are that: because the utility model is provided with two blowers, the liquid nitrogen released by the first blower 6 can effectively help the inspector judge whether the air leakage condition of the edge of the mask occurs or not, so as to ensure the accuracy of the test data, the liquid nitrogen released by the second blower 7 is normal gas, and the frequency of the two blowers is the same as the actual respiratory frequency of people, thereby improving the practicability of the data; secondly, the utility model is also provided with a face simulation device 3 to simulate the position condition of the actual exhaled air of people; thirdly, the utility model discloses 9 positions at gas flow detection device are equipped with gaseous single diaphragm valve and improve the data accuracy.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A mask air permeability detection device comprises a lower cavity (1), an upper cavity (2), a first air blower (6), a second air blower (7), a face simulation device (3) and a gas flow detection device (9), and is characterized in that a glass safety guide rail groove (101) is arranged on the front end face of the lower cavity (1), a face simulation device guide rail groove (102) is arranged on the upper portion of the inner side of the lower cavity (1), two guide rails (103) are mounted on the upper end face of the lower cavity (1), a first air guide hole (4) and a second air guide hole (5) penetrating through the right wall are formed in the bottom of the right side wall of the lower cavity (1), the first air guide hole (4) and the second air guide hole (5) are formed in the same manner as the output caliber of the air blowers (6) and the second air blower (7), the first air blower (6) is provided with an air distribution bin (8), go up cavity (2) preceding terminal surface and be equipped with observation window frame (202), be equipped with visual glass in observation window frame (202), it is equipped with two guide rail grooves (201) to go up cavity (2) bottom, it is equipped with detection air vent (10) that run through the right wall to go up cavity (2) right side wall, gas flow detection device (9) be furnished with the bore with detect the test tube (901) that air vent (10) are unanimous, facial analogue means (3) upper surface is equipped with oronasal simulation through-hole (303), and both sides are equipped with ear simulator (301), and the bottom is equipped with connector (304), connector (304) are kept away from oronasal simulation through-hole (303) a side end face and are equipped with facial analogue means guide rail (302).
2. The mask permeability detection device of claim 1, wherein the glass guide groove (101) is provided with a detachable sealing glass.
3. The apparatus for detecting the permeability of a mask according to claim 1, wherein the glass guide groove (101), the face simulator guide groove (102), the guide groove (201), and the observation window frame (202) are coated with a sealing material.
4. A device according to claim 1, wherein the first air-guide hole (4) and the output port of the first blower (6) and the second air-guide hole (5) and the output port of the second blower (7) are communicated by sealed air through hoses.
5. A device for detecting the breathability of a mask according to claim 4, wherein the first blower (6) and the second blower (7) are blown at the same frequency as the normal breathing of the human body.
6. The mask permeability detection device according to claim 1, wherein liquid nitrogen is filled in the gas distribution bin (8), and the gas distribution bin (8) is connected with the first blower (6) by bolts.
7. The device for detecting the breathability of a mask according to claim 1, wherein the detection tube (901) is connected to the detection vent (10) by bolts, and the connection is coated with a sealing material.
8. The mask permeability detection device according to claim 7, wherein a gas single diaphragm valve is arranged at a through hole at one end of the detection tube (901) far away from the upper cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316653.1U CN212483267U (en) | 2020-03-15 | 2020-03-15 | Mask air permeability detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316653.1U CN212483267U (en) | 2020-03-15 | 2020-03-15 | Mask air permeability detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212483267U true CN212483267U (en) | 2021-02-05 |
Family
ID=74457543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020316653.1U Expired - Fee Related CN212483267U (en) | 2020-03-15 | 2020-03-15 | Mask air permeability detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212483267U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680681A (en) * | 2021-10-25 | 2021-11-23 | 江苏浩泽医疗科技有限公司 | Equipment and method for detecting air permeability and quality of daily mask |
| CN114754945A (en) * | 2022-04-26 | 2022-07-15 | 中国矿业大学 | Method for monitoring dynamic leakage flow and leakage rate of respirator in operation process |
-
2020
- 2020-03-15 CN CN202020316653.1U patent/CN212483267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680681A (en) * | 2021-10-25 | 2021-11-23 | 江苏浩泽医疗科技有限公司 | Equipment and method for detecting air permeability and quality of daily mask |
| CN114754945A (en) * | 2022-04-26 | 2022-07-15 | 中国矿业大学 | Method for monitoring dynamic leakage flow and leakage rate of respirator in operation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210302 Address after: No.18 Jianding Road, Fengjing town, Jinshan District, Shanghai Patentee after: Shanghai Jinta Medical Co.,Ltd. Address before: 514500 No.17, central house, Gaopo village, Ningxin sub district office, Xingning City, Meizhou City, Guangdong Province Patentee before: Luo Hongmei |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |