CN219532821U - Protective material drip diffusion time testing device - Google Patents
Protective material drip diffusion time testing device Download PDFInfo
- Publication number
- CN219532821U CN219532821U CN202320089927.1U CN202320089927U CN219532821U CN 219532821 U CN219532821 U CN 219532821U CN 202320089927 U CN202320089927 U CN 202320089927U CN 219532821 U CN219532821 U CN 219532821U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- liquid storage
- drip
- titration
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000009792 diffusion process Methods 0.000 title claims abstract description 30
- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 61
- 238000004448 titration Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000010998 test method Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- 210000004243 sweat Anatomy 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides a device and a method for testing drip diffusion time of a protective material, and mainly relates to a testing device: a device for testing the drip diffusion time of a protective material comprises a drip device, a lifting table and an experiment flat plate; the drip device consists of a drip device I and a drip device II which are identical, the drip device comprises a drip device main body, a branch pipe, a liquid storage tank, an air conduit and a titration conduit, the drip device main body is a 10-50mL full-automatic titration pipe, a switch I and a switch II are arranged at two ends of the liquid storage tank, and the air conduit is arranged above the liquid storage tank; the lifting platform is arranged between the first water dropping device and the second water dropping device, and is provided with a graduated scale; the experimental flat plate is arranged on the lifting table. The test method is carried out according to the test device of the utility model.
Description
Technical Field
The utility model relates to a device and a method for testing drip diffusion time of a protective material, and belongs to the technical field of testing.
Background
The dripping diffusion time is used for representing the diffusion condition of water drops on the textile, is an important index for reflecting the moisture absorption performance of the textile, and the moisture absorption quick-drying fabric is the fabric which can quickly absorb sweat on the skin from the inner layer of the fabric to the outer surface of the fabric and emit the sweat into the air after sweat is generated during movement of a human body, so that people are always in a dry state, and is particularly suitable for wearing when sweat is generated under the conditions of large movement quantity and strong physical labor. In GB/T21655.1-2008 ' evaluation of moisture absorption and quick drying Property of textiles ' 1 st part single combination test method ', the drip diffusion time is used as one of the moisture absorption and quick drying evaluation methods of moisture absorption and quick drying fabrics, but the standard is difficult to make obvious differences for different protective materials with insufficient obvious drip diffusion properties on skin-friendly layers.
The utility model provides a device and a method for testing the dripping diffusion time of a protective material, which can effectively test the difference between different protective materials with insufficient obvious dripping diffusion performance of a skin-friendly layer, thereby effectively selecting a protective product with better comfort.
Disclosure of Invention
A device for testing the dripping and spreading time of a protective material comprises a dripping device, a lifting device and an experiment flat plate; the water dripping device comprises a first water dripping device and a second water dripping device, the first water dripping device and the second water dripping device are identical in structure and symmetrically distributed on two sides of the lifting device. The two groups of water dripping devices are arranged to perform comparison experiments and repeated experiments, so that experimental data are more accurate; under the condition that experiment staff is sufficient and experiment tasks are many, two sets of devices are used simultaneously, and time is saved.
Further, the first drip device comprises a first drip device body, a first branch pipe, a first liquid storage tank, a first air conduit and a first titration conduit, wherein the first drip device body is a 10-50mL full-automatic burette, and the first liquid storage tank is connected with the first drip device body through the first branch pipe; the second drip device comprises a second drip device body, a second branch pipe, a second liquid storage tank, a second air conduit and a second titration conduit, wherein the second drip device body is a 10-50mL full-automatic burette, and the second liquid storage tank is connected with the second drip device body through the second branch pipe.
Further, the upper end and the lower end of the side surface of the liquid storage tank are communicated with two branch pipes in the branch pipe I, and a switch I is arranged at the joint of the liquid storage tank I and the two branch pipes in the branch pipe I; an air conduit I is arranged above the liquid storage tank I, and a switch II is arranged at the joint of the air conduit I and the liquid storage tank I; a titration conduit I is arranged below the liquid storage tank, and a switch III is arranged at the joint of the titration conduit I and the liquid storage tank I; the upper end and the lower end of the side surface of the liquid storage tank II are communicated with two branch pipes in the branch pipe II, and a switch IV is arranged at the joint of the liquid storage tank II and the two branch pipes in the branch pipe II; an air conduit II is arranged above the liquid storage tank II, and a switch V is arranged at the joint of the air conduit II and the liquid storage tank II; a titration conduit II is arranged below the liquid storage tank II, and a switch VI is arranged at the joint of the titration conduit II and the liquid storage tank II; the first switch and the fourth switch are used for controlling the titration water quantity required by the test, and the second switch and the fifth switch are started for ensuring that water drops can smoothly drop; the volumes of the first liquid storage tank and the second liquid storage tank are 0.2mL, and the volumes are consistent with the volume of water titrated by a drip diffusion time test in a single item combination test method of assessing the moisture absorption and quick drying property of textiles in GB/T21655.1-2008.
Further, the lifting device comprises a lifting table, a fixed frame, a graduated scale and a bottom plate; the lifting table and the fixed frame are arranged on the bottom plate, and the distance between the lifting table and the fixed frame is 0.5-1mm; the graduated scale is fixed in the fixed frame, and the graduated scale and the fixed frame are made of transparent plastics; the lifting device is arranged below the first titration pipe and the second titration pipe.
Further, the pipe orifices of the first titration pipe and the second titration pipe are positioned at the same horizontal position with zero scale of the scale, the scale range is 0-20cm, and the scale is used for measuring the distance between a sample placed on the experiment flat plate and the pipe orifice of the titration pipe.
Further, the experimental plate is placed on a lifting table, and the sample is placed on the experimental plate; the experimental flat plate is made of one of a plastic plate and a glass plate, and has the length of 20-25 cm and the width of 10-15 cm.
A test method for the drip diffusion time of a protective material comprises the following steps:
(1) Sample preparation: cutting the sample into 10cm, placing in a constant temperature and humidity chamber with the temperature of 20+/-3 ℃ and the relative humidity of 65+/-5%, and placing for 12 hours for standby;
(2) Sample testing: the testing process is carried out in a constant temperature and humidity environment, the temperature is 20+/-3 ℃, the relative humidity is 65+/-5%, the sample is placed on an experimental flat plate, the surface close to the skin is upward when the sample is used, the sample is flat and has no wrinkles when placed, the titration catheter I is positioned above the exact center of the sample, and the lifting table is adjusted to the required height; closing the second switch and the third switch, opening the first switch, and closing the first switch when the first liquid storage tank is full of water; sequentially starting a switch II and a switch III, lightly dripping water on the sample, starting timing, carefully observing the water drop diffusion condition, stopping timing when the water drops are completely diffused (specular reflection is not presented any more) on the surface of the sample, and calculating the water drop diffusion time of the sample, wherein the result is accurate to 0.1s; the second water dripping device is completely the same as the first water dripping device in use method.
The utility model provides a device and a method for testing the dripping diffusion time of a protective material, which can effectively test the difference between different protective materials with insufficient obvious dripping diffusion performance of a skin-friendly layer, thereby effectively selecting a protective product with better comfortableness.
Drawings
FIG. 1 is a schematic diagram of a device for testing the drip diffusion time of a protective material;
FIG. 2 is a schematic view of a portion of a drip apparatus;
in the figure: 1-drip, 11-drip, 12-drip, 111-drip body, 112-branch, 113-reservoir, 114-air duct, 115-drip, 116-switch, 117-switch, 118-switch three, 121-drip body, 122-branch, 123-reservoir two, 124-air duct two, 125-drip, 126-switch four, 127-switch five, 128-switch six, 2-lifting device, 21-lifting table, 22-fixed frame, 23-scale, 24-base plate, 3-experimental plate.
Detailed Description
For a further understanding of the present utility model, the present utility model is described below in connection with the following examples, but it should be understood that the description is only intended to further illustrate the features and advantages of the present utility model, and not to limit the scope of the claims.
Examples
A device for testing the drip diffusion time of a protective material comprises a drip device 1, a lifting device 2 and an experiment flat plate 3; the water dripping device 1 comprises a first water dripping device 11 and a second water dripping device 12, wherein the first water dripping device 11 and the second water dripping device 12 are identical in structure and symmetrically distributed on two sides of the lifting device 2.
The first drip device 11 comprises a first drip device main body 111, a first branch pipe 112, a first liquid storage tank 113, a first air conduit 114 and a first titration conduit 115, wherein the first drip device main body 111 is a 50mL full-automatic burette, and the first liquid storage tank 113 is connected with the first drip device main body 111 through the first branch pipe 112; the second drip device 12 comprises a second drip device body 121, a second branch pipe 122, a second liquid storage tank 123, a second air conduit 124 and a second titration conduit 125, wherein the second drip device body 121 is a 50mL full-automatic burette, and the second liquid storage tank 123 is connected with the second drip device body 121 through the second branch pipe 122.
The upper end and the lower end of the side surface of the first liquid storage tank 113 are communicated with two branch pipes in the first branch pipe 112, and a switch 116 is arranged at the joint of the first liquid storage tank 113 and the two branch pipes in the first branch pipe 112; an air conduit I114 is arranged above the liquid storage tank I113, and a switch II 117 is arranged at the joint of the air conduit I114 and the liquid storage tank I113; a titration conduit I115 is arranged below the liquid storage tank I113, and a switch III 118 is arranged at the joint of the titration conduit I115 and the liquid storage tank I113; the upper and lower ends of the side surface of the second liquid storage tank 123 are communicated with two branch pipes in the second branch pipe 122, and a switch IV 126 is arranged at the joint of the second liquid storage tank 123 and the two branch pipes in the second branch pipe 122; an air conduit II 124 is arranged above the liquid storage tank II 123, and a switch V127 is arranged at the joint of the air conduit II 124 and the liquid storage tank II 123; a titration pipe II 125 is arranged below the liquid storage tank II 123, and a switch VI 128 is arranged at the joint of the titration pipe II 125 and the liquid storage tank II 123; the volumes of the first liquid storage tank 113 and the second liquid storage tank 123 are 0.2mL. The first switch 116 and the fourth switch 126 are used for controlling the titration water quantity required by the test, and the second switch 117 and the fifth switch 127 are started for ensuring that water drops can smoothly drop; the volumes of the first liquid storage tank 113 and the second liquid storage tank 123 are 0.2mL, and the volumes are consistent with the volume of water titrated by a dripping diffusion time test in a single item combination test method of evaluating the moisture absorption and quick drying property of textiles in part 1 of GB/T21655.1-2008.
The lifting device 2 comprises a lifting table 21, a fixed frame 22, a graduated scale 23 and a bottom plate 24; the lifting table 21 and the fixed frame 22 are arranged on the bottom plate 24, and the distance between the lifting table 21 and the fixed frame 22 is 0.5mm; the graduated scale 23 is fixed in the fixed frame 22, and the graduated scale 23 and the fixed frame 22 are made of transparent plastics; the lifting device 2 is arranged below the first titration pipe 115 and the second titration pipe 125. The pipe orifices of the first titration pipe 115 and the second titration pipe 125 are positioned at the same horizontal position with the zero scale of the scale 23, and the measuring range of the scale 23 is 0cm to 20cm. The experimental flat plate 3 is placed on the lifting table 21, and a sample is placed on the experimental flat plate 3; the experimental flat plate 3 is made of glass plates, and has the length of 24cm and the width of 12cm.
In this embodiment, a disposable medical surgical mask manufactured by the company and sold on the market is used as a sample for testing.
The method comprises the following specific steps:
(1) Sample preparation: cutting the sample into 10cm, placing in a constant temperature and humidity chamber with the temperature of 20+/-3 ℃ and the relative humidity of 65+/-5%, and placing for 12 hours for standby;
(2) Sample testing: the testing process is carried out in a constant temperature and humidity environment, the temperature is 20+/-3 ℃, the relative humidity is 65+/-5%, the sample is placed on the experiment flat plate 3, the surface close to the skin is upward when the sample is used, the sample is flat and has no wrinkles when placed, the titration catheter I115 is positioned above the exact center of the sample, and the lifting table 2 is adjusted until the upper surface of the sample is positioned at a 10cm scale mark; switch two 117 and switch three 118 are closed, switch one 116 is opened, and when the liquid storage tank one 113 is full of water, switch one 116 is closed; sequentially starting a second switch 117 and a third switch 118, lightly dripping water on the sample, starting timing, carefully observing the water drop diffusion condition, stopping timing when the water drops are completely diffused (specular reflection is not presented any more) on the surface of the sample, and calculating the water drop diffusion time of the sample, wherein the result is accurate to 0.1s; the drip two 12 is used in exactly the same way as the drip one 11. Each protective mask was tested 3 times using a first drip device 11 and a second drip device 12, respectively, and the average value was obtained.
The drip diffusion time of the two mask materials in this experiment is shown in Table 1
TABLE 1 drip diffusion time of nanofiber membrane mask and disposable medical nonwoven mask
The embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the utility model should be made and equivalents should be construed as falling within the scope of the utility model.
Claims (6)
1. The device for testing the dripping diffusion time of the protective material is characterized by comprising a dripping device (1), a lifting device (2) and an experiment flat plate (3); the water dripping device (1) comprises a first water dripping device (11) and a second water dripping device (12), wherein the first water dripping device (11) and the second water dripping device (12) are identical in structure and symmetrically distributed on two sides of the lifting device (2).
2. The device for testing the drip diffusion time of the protective material according to claim 1, wherein the first drip device (11) comprises a first drip device body (111), a first branch pipe (112), a first liquid storage tank (113), a first air conduit (114) and a first titration conduit (115), the first drip device body (111) is a 10-50mL full-automatic burette, and the first liquid storage tank (113) is connected with the first drip device body (111) through the first branch pipe (112); the second drip device (12) comprises a second drip device main body (121), a second branch pipe (122), a second liquid storage tank (123), a second air conduit (124) and a second titration conduit (125), wherein the second drip device main body (121) is a 10-50mL full-automatic burette, and the second liquid storage tank (123) is connected with the second drip device main body (121) through the second branch pipe (122).
3. The device for testing the drip diffusion time of the protective material according to claim 2, wherein the upper end and the lower end of the side surface of the first liquid storage tank (113) are communicated with two branch pipes in the first branch pipe (112), and a switch (116) is arranged at the joint of the first liquid storage tank (113) and the two branch pipes in the first branch pipe (112); an air conduit I (114) is arranged above the liquid storage tank I (113), and a switch II (117) is arranged at the joint of the air conduit I (114) and the liquid storage tank I (113); a titration conduit I (115) is arranged below the liquid storage tank I (113), and a switch III (118) is arranged at the joint of the titration conduit I (115) and the liquid storage tank I (113); the upper end and the lower end of the side surface of the liquid storage tank II (123) are communicated with two branch pipes in the branch pipe II (122), and a switch IV (126) is arranged at the joint of the liquid storage tank II (123) and the two branch pipes in the branch pipe II (122); an air conduit II (124) is arranged above the liquid storage tank II (123), and a switch III (127) is arranged at the joint of the air conduit II (124) and the liquid storage tank II (123); a titration conduit II (125) is arranged below the liquid storage tank II (123), and a switch VI (128) is arranged at the joint of the titration conduit II (125) and the liquid storage tank II (123); the volumes of the first liquid storage tank (113) and the second liquid storage tank (123) are 0.2mL.
4. A device for testing the drip diffusion time of a protective material according to claim 1, wherein the lifting device (2) comprises a lifting table (21), a fixed frame (22), a graduated scale (23) and a bottom plate (24); the lifting table (21) and the fixed frame (22) are arranged on the bottom plate (24), and the distance between the lifting table (21) and the fixed frame (22) is 0.5-1mm; the graduated scale (23) is fixed in the fixed frame (22), and the graduated scale (23) and the fixed frame (22) are made of transparent plastics; the lifting device (2) is arranged below the first titration pipe (115) and the second titration pipe (125).
5. The device for testing the drip diffusion time of the protective material according to claim 2, wherein the pipe orifices of the first titration pipe (115) and the second titration pipe (125) are positioned at the same horizontal position with the zero scale of the scale (23), and the measuring range of the scale (23) is 0-20cm.
6. A device for testing the drip diffusion time of a protective material according to claim 1, wherein the test plate (3) is placed on a lifting table (21), and the sample is placed on the test plate (3); the experimental flat plate (3) is made of one of a plastic plate and a glass plate, and has the length of 20-25 cm and the width of 10-15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320089927.1U CN219532821U (en) | 2023-01-31 | 2023-01-31 | Protective material drip diffusion time testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320089927.1U CN219532821U (en) | 2023-01-31 | 2023-01-31 | Protective material drip diffusion time testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219532821U true CN219532821U (en) | 2023-08-15 |
Family
ID=87625800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320089927.1U Active CN219532821U (en) | 2023-01-31 | 2023-01-31 | Protective material drip diffusion time testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219532821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116046611A (en) * | 2023-01-31 | 2023-05-02 | 山东黄河三角洲纺织科技研究院有限公司 | A protective material dripping diffusion time test device and test method |
-
2023
- 2023-01-31 CN CN202320089927.1U patent/CN219532821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116046611A (en) * | 2023-01-31 | 2023-05-02 | 山东黄河三角洲纺织科技研究院有限公司 | A protective material dripping diffusion time test device and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219532821U (en) | Protective material drip diffusion time testing device | |
| US6931951B2 (en) | Mechanical device with simulated skin substrate | |
| CN106769686B (en) | Instrument and method for testing liquid water absorption and quick drying performance of textile | |
| US9510808B2 (en) | Fluid sampling device and method for sampling | |
| JP2018502627A (en) | Absorbent core with high loft center layer and channel | |
| US6904820B2 (en) | Method of using a simulated skin substrate and method for determining material dryness performance | |
| CN201780226U (en) | Chromosome specimen dropping device | |
| CN104713824A (en) | Horizontal type testing device and testing method for attachment between fabrics and liquid-penetrating skin | |
| CN208672435U (en) | A kind of leather-like product extension system safety testing device | |
| CN116046611A (en) | A protective material dripping diffusion time test device and test method | |
| CN216221438U (en) | Device for measuring volume of forelimb of rat | |
| CN211527559U (en) | Strainer for measuring liquid nitrogen | |
| CN210063954U (en) | Fluorescent probe box for mercury ion detection | |
| CN103436439B (en) | Calibration device for cell counter based on image identification method | |
| CN207850963U (en) | Textile thermal property test device under a kind of low temperature environment | |
| US20040118228A1 (en) | Heated mechanical arm | |
| CN206787981U (en) | A kind of device for being used to test and analyze liquid spread condition in sanitary care article | |
| CN221845265U (en) | Amniotic fluid early leakage detection protection pad | |
| CN222055453U (en) | Disposable urine collector for newborn | |
| WO2022165743A1 (en) | Absorbent body with topsheet composite | |
| CN110186946A (en) | For the skin model and analog temperature of textile test and the control method of perspiration | |
| CN223189199U (en) | A six-slot cell counting plate | |
| CN209606444U (en) | A kind of immunohistochemistry incubating device | |
| CN215503756U (en) | Simple and convenient plastic type exudate absorbing dressing | |
| CN216908453U (en) | Multifunctional bird nest type baby incubator structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |