Mask filtering testing device

Abstract

The mask filtration testing device comprises a test liquid storage bottle, a converter, a mask clamp and a sample liquid recovery unit, the test liquid storage bottle is of a tubular structure; the converter is arranged above the test liquid storage bottle, a feed port of the converter is connected with the test liquid storage bottle through a pipeline, and the converter is suitable for converting the test liquid into aerosol; the mask clamp is of a hollow structure capable of being opened and closed up and down and is arranged below the converter, the mask clamp can be separated from the middle, and a feeding port of the mask clamp is connected with a discharging port in one side of the converter through a pipeline; the sample liquid recovery unit is arranged below the mask clamp, a feeding port of the sample liquid recovery unit is connected with a discharging port of the mask clamp through a pipeline, and an air outlet is formed in the upper position of one side of the sample liquid recovery unit; by means of the arrangement, the whole size is small, meanwhile, the bacterium blocking performance of the mask can be tested, and the technical problems that an existing testing device is large in size and complex in structure are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mask virus filtration detection equipment technical field especially relates to a mask filtration testing device. BACKGROUND

[0002] The mask is a kind of sanitary article, generally refers to the air filtration into nose and mouth part for reaching the blocking harmful gas, smell, droplet and virus and so on The effect of material, generally with gauze or non-woven fabric etc. Mask's efficacy mainly lies in the filter material contained therein, good filter material should have three conditions, one is fit, its design needs to ensure that it is attached to the face of the wearer, to reduce air leakage from the edge to achieve high filtration, two is comfort, the comfort of the wearer needs to be considered, which includes the softness of mask, air permeability and inner lining material, three is respiratory resistance, high-efficiency filter mask can increase respiratory resistance, therefore, a balance between filtration performance and comfort needs to be found to achieve a comfortable state for both. The existing mask needs to meet the antibacterial performance test to achieve the purpose of being qualified, but the volume of the existing test device is relatively large, and the structure is complex. SUMMARY

[0003] Therefore, the mask filtration testing device provided by the present application can measure the virus filtration efficiency and the bacterial filtration efficiency simultaneously, has a small overall volume and is convenient and simple.

[0004] According to an aspect of the present application, a mask filtration testing device is provided, which comprises a test liquid storage bottle, a converter, a mask clamp and a sample liquid recovery unit. The test liquid storage bottle is in a tubular structure, and test liquid is arranged in the test liquid storage bottle. The converter is arranged on one side above the test liquid storage bottle, and a pipeline is connected between the feed inlet of the converter and the test liquid storage bottle. The converter is suitable for converting the test liquid into aerosol. The mask clamp is a hollow structure that can be opened and closed up and down, and is arranged below the converter. The mask clamp can be separated from the middle, is suitable for clamping and fixing the mask, and a pipeline is connected between the feed inlet of the mask clamp and the discharge outlet on one side of the converter. The sample liquid recovery unit is arranged below the mask clamp, a pipeline is connected between the feed inlet of the sample liquid recovery unit and the discharge outlet of the mask clamp, and a gas outlet is arranged on one side of the sample liquid recovery unit at an upper position. The gas outlet is suitable for discharging the gas after testing.

[0005] In one possible implementation, the sample liquid recovery unit comprises a test tube and a funnel. The test tube is a hollow tubular structure with an open top, and is used to collect the filtered liquid. The funnel is arranged on the top of the test tube, and the bottom of the funnel extends downward into the test tube, and is at a certain distance from the bottom of the test tube.

[0006] In a possible implementation, the air outlet is arranged at one side of the funnel, and the outlet of the mask clamp is connected with the inlet of the funnel.

[0007] In a possible implementation, the mask clamp comprises a top cover and a base, the top cover and the base are both arc-shaped structures, and the bottom of the top cover is threadedly connected with the top of the base; the inlet of the mask clamp is arranged at the top of the top cover, and the outlet of the mask clamp is arranged at the bottom of the base.

[0008] In a possible implementation, the converter comprises a conversion shell, a water pumping unit and a pressurizing unit, the water pumping unit and the pressurizing unit are both arranged in the conversion shell, and the water pumping unit is electrically connected with the pressurizing unit.

[0009] In a possible implementation, the test liquid storage bottle, the converter, the mask clamp and the sample liquid recovery unit are arranged in the interior of the box.

[0010] In a possible implementation, the box is provided with a fixing plate, the fixing plate is provided with a groove, and the lower part of the test liquid storage bottle is arranged in the groove.

[0011] In a possible implementation, the box is provided with a control panel on the outer surface, and the control panel is electrically connected with the converter.

[0012] In a possible implementation, the control panel is arranged on the front wall of the box, and the left side of the front wall of the box is rotatably connected with the left wall of the box.

[0013] In a possible implementation, the mask clamp is a spherical structure.

[0014] The test liquid storage bottle is arranged in the box, and the test liquid is arranged in the test liquid storage bottle; the test liquid storage bottle is communicated with the converter through a pipeline, the test liquid enters the converter through the pipeline, the converter converts the test liquid into aerosol, the converter is communicated with the mask clamp through a pipeline, the mask clamp is arranged with a mask to be tested, the aerosol enters the mask clamp through the pipeline, the aerosol passes through the mask in the mask clamp, the lower part of the mask clamp is communicated with the sample liquid recovery unit through a pipeline, the aerosol filtered by the mask is discharged through the exhaust port of the sample liquid recovery unit, and then the liquid flows into the sample liquid recovery unit; the mask is filtered and tested through the above arrangement, the overall volume is small, and space is saved.

[0015] Other features and aspects of the present application will become apparent from a detailed description of exemplary embodiments with reference to the following drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate examples of the present application, features and aspects of the present application, and serve to explain the principles of the present application.

[0017] Figure 1 A specific schematic view of a facemask filtration test device showing embodiments of the present application. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments of the present application.

[0019] Examples of the described embodiments are shown in the drawings, wherein the same or similar symbols represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, but cannot be understood as a limitation of the present application.

[0020] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application or simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0021] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0022] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix", "connect", "hinge" and so on should do the broad sense understanding, for example can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be direct connection, also can indirectly link through the intermediate medium, can be the intercommunication of two elements or the interaction of two elements. For the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As Figure 1 The mask filter test device includes a test liquid storage bottle 100, a converter 200, a mask clamp 300 and a sample liquid recovery unit 400. The test liquid storage bottle 100 is a tubular structure, and the test liquid is arranged in the test liquid storage bottle 100. The converter 200 is arranged on one side above the test liquid storage bottle 100, and the feed inlet of the converter 200 is connected with the test liquid storage bottle 100 by a pipeline. The converter 200 is suitable for converting the test liquid into aerosol. The mask clamp 300 is a hollow structure that can be opened and closed up and down, and is arranged below the converter 200. The mask clamp 300 can be separated from the middle, and is suitable for clamping and fixing the mask. The feed inlet of the mask clamp 300 is connected with the discharge outlet of one side of the converter 200 by a pipeline. The sample liquid recovery unit 400 is arranged below the mask clamp 300, and the feed inlet of the sample liquid recovery unit 400 is connected with the discharge outlet of the mask clamp 300 by a pipeline. An air outlet is arranged at the upper position of one side of the sample liquid recovery unit 400, and is suitable for discharging the tested gas.

[0024] Specifically, the test liquid storage bottle 100 is arranged, and the test liquid storage bottle 100 is a tubular structure to put the test liquid. The converter 200 is arranged on one side above the test liquid storage bottle 100, and the feed inlet of the converter 200 is connected with the test liquid storage bottle 100 by a pipeline. The test liquid in the test liquid storage bottle 100 enters the converter 200 through the pipeline, and the test liquid is converted into aerosol in the converter 200. In order to simulate the air to better test the filtration of the mask, the mask clamp 300 is arranged below the converter 200. The mask is arranged in the mask clamp 300, and the outer side of the mask faces upward, and the inner side of the mask faces downward. It should be noted that the outer side of the mask faces upward, which is the upper side of the mask clamp 300. The inner side of the mask faces downward, which is the lower side of the mask clamp 300. The mask filters the aerosol. The sample liquid recovery unit 400 is arranged below the mask clamp 300, and the sample liquid recovery unit 400 is connected with the mask clamp by a pipeline. The sample liquid recovery unit 400 is arranged to collect the filtered aerosol. The filtered aerosol liquid enters the inside of the sample liquid recovery unit 400, and the gas is discharged through the air outlet of the sample liquid recovery unit 400. Figure 1 Figure 1 Specifically, the test liquid storage bottle 100 is arranged, and the test liquid storage bottle 100 is a tubular structure to put the test liquid. The converter 200 is arranged on one side above the test liquid storage bottle 100, and the feed inlet of the converter 200 is connected with the test liquid storage bottle 100 by a pipeline. The test liquid in the test liquid storage bottle 100 enters the converter 200 through the pipeline, and the test liquid is converted into aerosol in the converter 200. In order to simulate the air to better test the filtration of the mask, the mask clamp 300 is arranged below the converter 200. The mask is arranged in the mask clamp 300, and the outer side of the mask faces upward, and the inner side of the mask faces downward. It should be noted that the outer side of the mask faces upward, which is the upper side of the mask clamp 300. The inner side of the mask faces downward, which is the lower side of the mask clamp 300. The mask filters the aerosol. The sample liquid recovery unit 400 is arranged below the mask clamp 300, and the sample liquid recovery unit 400 is connected with the mask clamp by a pipeline. The sample liquid recovery unit 400 is arranged to collect the filtered aerosol. The filtered aerosol liquid enters the inside of the sample liquid recovery unit 400, and the gas is discharged through the air outlet of the sample liquid recovery unit 400.​

[0025] In a possible implementation, the sample liquid recovery unit 400 comprises a test tube 410 and a funnel 420; the test tube 410 is a hollow tubular structure with an open top, used to collect the filtered liquid; the funnel 420 is arranged at the top of the test tube 410, and the bottom of the funnel 420 extends downward into the test tube 410, and is a certain distance from the bottom of the test tube 410; the gas outlet is arranged on one side of the funnel 420, and the discharge port of the mask clamp 300 is connected to the inlet of the funnel 420.

[0026] Specifically, as shown in Figure 1 In order to recover the liquid of the aerosol, the sample liquid recovery unit 400 comprises a test tube 410 and a funnel 420, the bottom of the funnel 420 extends out of the extension tube, which extends into the test tube 410, and the top of the funnel 420 is connected to the bottom pipeline of the mask clamp 300, the liquid of the aerosol enters the funnel 420 through the pipeline, and then enters the test tube 410 through the extension tube, and the gas of the aerosol is discharged through the gas outlet of the funnel 420.

[0027] In a possible implementation, the mask clamp 300 comprises a top cover 310 and a base 320, and the top cover 310 and the base 320 are the same shape, both being arc-shaped structures, and the bottom of the top cover 310 is threadedly connected to the top of the base 320; the inlet of the mask clamp 300 is arranged at the top of the top cover 310, and the outlet of the mask clamp 300 is arranged at the bottom of the base 320.

[0028] Specifically, as shown in Figure 1 In order to more conveniently install the mask in the mask clamp 300, the mask clamp 300 comprises a top cover 310 and a base 320, and the top cover 310 and the base 320 are threadedly connected in the middle, which can make it more convenient to install the mask by opening the mask clamp 300 when installing the mask.

[0029] In a possible implementation, the converter 200 is provided with a water pumping unit and a pressurizing unit, and the water pumping unit is electrically connected to the pressurizing unit.

[0030] Specifically, because the converter 200 is arranged above the test liquid storage bottle 100, it is necessary to pump the test liquid in the test liquid storage bottle 100, so the water pumping unit is arranged in the converter 200; in order to convert the test liquid into aerosol, the pressurizing unit is arranged in the converter 200 to pressurize the test liquid and form the aerosol.

[0031] In a possible implementation, the test liquid storage bottle 100, the converter 200, the mask clamp 300, and the sample liquid recovery unit 400 are arranged in the box 500.

[0032] Specifically, as shown in Figure 1 In order to prevent the gas of the aerosol from entering the environment without the essence, the box 500 is provided, the test liquid storage bottle 100, the converter 200, the mask clamp 300 and the sample liquid recovery unit 400 are arranged in the interior of the box 500, so that the gas of the aerosol is in the box 500, and finally is discharged into the environment after being purified.

[0033] In a possible implementation, the box 500 is provided with a fixing plate 110, and a groove is formed in the fixing plate 110, and the lower part of the test liquid storage bottle 100 is arranged in the groove.

[0034] Specifically, as shown in Figure 1 In order to fix the test liquid storage bottle 100 in the box 500, the fixing plate 110 is arranged in the box 500, because the bottom of the test liquid storage bottle 100 is arc-shaped and cannot be placed on a plane, the groove is formed in the fixing plate 110, and the lower part of the test liquid storage bottle 100 is arranged in the groove, so that the test liquid storage bottle 100 is fixed, and the test liquid is prevented from spilling out.

[0035] In a possible implementation, the control panel 600 is arranged on the outer surface of the box 500 and is electrically connected with the converter 200.

[0036] Specifically, as shown in Figure 1 In order to adjust parameters and control the switch of the whole according to actual conditions, the control panel 600 is arranged on the outer surface of the box 500 and is electrically connected with the converter 200, so that the control panel 600 controls the amount of test liquid taken by the converter 200 and the amount of aerosol converted.

[0037] In a possible implementation, the control panel 600 is arranged on the surface of the box 500 and is arranged in a structure that can be opened and closed; and the mask clamp 300 is in a spherical structure.

[0038] Specifically, in order to open the box 500 to repair and replace damaged equipment, the control panel 600 is arranged on the surface of the box 500 and is arranged in a structure that can be opened and closed, so that the box 500 can be opened at any time.

[0039] The use of the present application: first, install the mask in the mask clamp 300, add test liquid to the test liquid storage bottle 100, and then observe the box body 500, so that the box body 500 is in a closed state, control the panel 600, and make the converter 200 start to extract the test liquid. The test liquid is converted into aerosol in the converter 200, the aerosol enters the mask clamp 300, passes through the filter of the mask, and the aerosol gas is discharged into the box through the gas outlet on the upper side of the liquid recovery unit 400. The aerosol liquid enters the inside of the liquid recovery unit 400, the sample liquid recovery device is removed, the liquid inside is cultured and observed, and the performance of the sample is determined.

[0040] The present application sets the test liquid storage bottle 100, the test liquid storage bottle 100 sets the test liquid, the test liquid enters the converter 200 through the pipeline, the converter 200 converts the test liquid into aerosol, the converter 200 is also communicated with the mask clamp 300 through the pipeline, the mask clamp 300 sets the mask to be tested, the aerosol enters the mask clamp 300 through the pipeline, the aerosol passes through the mask in the mask clamp 300, the aerosol filtered by the mask, the gas is discharged through the exhaust port of the sample liquid recovery unit 400, and the liquid flows into the sample liquid recovery unit 400; In order to prevent the gas of the aerosol from entering the environment without essence, the box body 500 is arranged, the control panel 600 is arranged on the box body 500, and the switch and the adjustment parameter can be controlled; the present application has the advantages of small overall volume, and can test the antibacterial performance of the mask, solves the technical problems of large volume and complex structure of the existing test device.

[0041] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A facemask filtration test device, characterized by, The device comprises a test liquid storage bottle, a converter, a mask clamp and a sample liquid recovery unit. The test liquid storage bottle is in a tubular structure, and test liquid is arranged in the test liquid storage bottle. The converter is arranged above the test liquid storage bottle, and a pipeline is connected between the feed inlet of the converter and the test liquid storage bottle. The mask clamp is in a hollow structure which can be opened and closed, and is arranged below the converter. The sample liquid recovery unit is arranged below the mask clamp, and a pipeline is connected between the feed inlet of the sample liquid recovery unit and the discharge outlet of the mask clamp.

2. The facemask filtration test device of claim 1, wherein, The sample liquid recovery unit comprises a test tube and a funnel. The test tube is in a hollow tubular structure with an open top. The funnel is arranged on the top of the test tube, and the bottom of the funnel extends into the test tube with a certain distance from the bottom of the test tube.

3. The facemask filtration test device of claim 2, wherein, The discharge outlet is arranged on one side of the funnel, and the discharge outlet of the mask clamp is connected to the feed inlet of the funnel.

4. The facemask filtration test device of any one of claims 1-3, wherein, The mask clamp comprises a top cover and a base, and the top cover and the base are in the same shape, which are arc structures. The feed inlet of the mask clamp is arranged on the top of the top cover, and the discharge outlet of the mask clamp is arranged on the bottom of the base.

5. The facemask filtration test device of any one of claims 1-3, wherein, The converter comprises a conversion shell, a water pumping unit and a pressurizing unit.

6. The facemask filtration test device of any one of claims 1-3, wherein, The device further comprises a box, and the test liquid storage bottle, the converter, the mask clamp and the sample liquid recovery unit are arranged in the box.

7. The facemask filtration test device of claim 6, wherein, A fixing plate is arranged in the box, and a groove is arranged on the fixing plate.

8. The facemask filtration test device of claim 7, wherein, A control panel is arranged on the outer surface of the box, and the control panel is electrically connected to the converter.

9. The facemask filtration test device of claim 8, wherein, The control panel is arranged on the front wall of the box, and the left side of the front wall of the box is rotatably connected to the left wall of the box.

10. The facemask filtration test device of claim 9, wherein, The mask clamp is in a spherical structure.

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