CN216525343U - Measuring device for moisture permeability test of breathable film material - Google Patents
Measuring device for moisture permeability test of breathable film material Download PDFInfo
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- CN216525343U CN216525343U CN202122621763.6U CN202122621763U CN216525343U CN 216525343 U CN216525343 U CN 216525343U CN 202122621763 U CN202122621763 U CN 202122621763U CN 216525343 U CN216525343 U CN 216525343U
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- box body
- control box
- liquid level
- moisture permeability
- film material
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Abstract
The utility model discloses a measuring device for moisture permeability test of a breathable film material, which comprises a control box body, wherein a microprocessor is arranged in the control box body, a control panel is arranged on the surface of the side surface of the control box body, a plurality of mounting grooves are formed in the upper surface of the control box body, a cavity structure is arranged on each mounting groove, a liquid level sensor is arranged on the inner bottom surface of each cavity structure, the liquid level sensors are connected with electric signal sensor leads, and the electric signal sensor leads downwards penetrate through the bottom of each cavity structure and the mounting grooves to be connected with the microprocessor in the control box body.
Description
Technical Field
The utility model relates to the technical field of moisture permeability tests, in particular to a measuring device for a moisture permeability test of a breathable film material.
Background
At present, a test device which is specified in YY/T0471.2-2004 contact wound test method or YY/T0148-2006 medical adhesive tape general requirement is generally adopted for measuring the moisture permeability of the contact wound film dressing.
The currently used devices meeting the test requirements are generally moisture permeable cups, but there are some obvious disadvantages in using such devices:
when the device is used, a plurality of parallel samples are required to be sequentially weighed and recorded for calculation, the operation is complex, and the operation risks of shaking, collision and the like exist in the manual taking, moving and weighing processes, so that the error of a test result is easily caused; in the process of testing parallel samples of a plurality of samples for experiments at the same time, because the environment change (such as temperature and humidity change and the like) between the testing environment and the standard storage environment of the moisture permeable cup inevitably occurs repeatedly due to the requirement of the testing scheme, and the transfer time and the state of each testing sample cannot be ensured to be consistent, the consistency of the experimental results is interfered due to the repeated disturbance of the environment change, and the authenticity of the results is finally influenced; in addition, the weight change of the device during experimental weighing can be influenced by the maximum measuring range, the optimal measuring range, the measuring precision and the like of the weighing tool, so that the measuring result is deviated.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the measuring device for the moisture permeability test of the breathable film material, which has the advantages of simple structure, convenience in operation, accuracy in measurement and good stability.
In order to achieve the purpose, the utility model designs a measuring device for moisture permeability test of breathable film materials, which comprises a control box body, wherein a microprocessor is arranged in the control box body, a control panel is arranged on the surface of the side surface of the control box body, a plurality of mounting grooves are formed in the upper surface of the control box body, a cavity structure is arranged on each mounting groove, a liquid level sensor is arranged on the inner bottom surface of the cavity structure, the liquid level sensor is connected with an electric signal sensor lead, the electric signal sensor lead downwards passes through the bottom of the cavity structure and the mounting grooves to be connected with the microprocessor in the control box body, wherein,
the control signal output end of the control panel is connected with the signal input end of the liquid level sensor,
the electric signal of the liquid level sensor is connected with the signal input end of the microprocessor through an electric signal sensor lead;
the microprocessor is connected with the control panel.
Further, the cavity structure comprises a cylinder structure, and an annular rubber ring and an annular gasket are fixed on a ring on the outer edge of the top of the cylinder structure through a bolt assembly.
And furthermore, a groove is formed in the center of the bottom of the cylindrical structure, a central sealing sleeve is arranged in the groove, and the central sealing sleeve is sleeved outside the electric signal sensor lead.
Still further, the bolt assembly consists of three symmetrical bolts.
Still further, the liquid level sensor is a corrugated pressure sensor.
Still further, the number of mounting grooves is 6.
The utility model has the beneficial effects that:
1. the utility model has simple structure and principle and convenient operation, and the final moisture permeable quality per unit area can be obtained by respectively measuring the primary liquid level in front and at the back of the liquid level sensor and multiplying the measured liquid level difference value by the sectional area of the cavity structure and then by the liquid density of the loading amount.
2. The device solves the influence of external condition factors on the measurement result in the test process of a plurality of groups of parallel samples, and ensures the accuracy and stability of the test result.
Drawings
FIG. 1 is a schematic view of a measuring device for the moisture transmission test of breathable film material;
FIG. 2 is a perspective view of a measurement device for the moisture transmission test of breathable film material;
FIG. 3 is a schematic diagram of a chamber structure;
FIG. 4 is a cross-sectional view of a chamber structure;
FIG. 5 is a control diagram of the measuring device;
in the figure, a control box body 1, a mounting groove 1.1, a microprocessor 2, a control panel 3, a cavity structure 4, a cylinder structure 4.1, a groove 4.11, an annular rubber ring 4.2, an annular gasket 4.3, a bolt 4.4, a liquid level sensor 5, an electric signal sensor lead 6 and a central sealing sleeve 7.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific embodiments for the understanding of those skilled in the art.
The measuring device for the moisture permeability test of the breathable film material shown in fig. 1-4 comprises a control box body 1, wherein a microprocessor 2 is arranged in the control box body 1, a control panel 3 is arranged on the surface of the side surface of the control box body 1, 6 mounting grooves 1.1 are formed in the upper surface of the control box body 1, a cavity structure 4 is arranged on each mounting groove 1.1, each cavity structure 4 comprises a cylinder structure 4.1, and an annular rubber ring 4.2 and an annular gasket 4.3 are fixed on a ring on the outer edge of the top of each cylinder structure 4.1 through a bolt assembly; the bolt assembly consists of three symmetrical bolts 4.4;
a liquid level sensor 5 is arranged on the inner bottom surface of the cavity structure 4, and the liquid level sensor 5 is a corrugated pressure sensor; the liquid level sensor 5 is connected with an electric signal sensor lead 6, a groove 4.11 is formed in the center of the bottom of the cylindrical structure 4.1, a central sealing sleeve 7 is arranged in the groove 4.11, and the central sealing sleeve 7 is sleeved outside the electric signal sensor lead 6; the electric signal sensor wire 6 downwards passes through the bottom of the cavity structure 4 and the mounting groove 1.1 to be connected with the microprocessor 2 in the control box body 1; wherein the content of the first and second substances,
the control signal output end of the control panel 3 is connected with the signal input end of the liquid level sensor 5,
the electric signal of the liquid level sensor 5 is connected with the signal input end of the microprocessor 2 through an electric signal sensor lead 6; the microprocessor 2 is connected to a control panel 3.
The measuring instrument for the moisture permeability test of the breathable film material comprises the following experimental steps:
1) and adding a proper amount of water into the cavity structure 4, covering the sample to be detected at the opening of the cavity structure, placing the annular rubber ring 4.2 and the annular gasket 4.3, and fixing the sample through a bolt assembly.
2) Starting control panel 3 and starting the button, level sensor 5 works, changes the pressure signal that the liquid level change arouses and changes into the signal of telecommunication and inserts data microprocessor 2 through signal of telecommunication sensor wire 6, reachs liquid level height information and moisture permeability through calculating, shows on control panel 3's display screen (fig. 5).
Other parts not described in detail are prior art. Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.
Claims (6)
1. The utility model provides a measuring device of ventilated membrane material pass through wet test which characterized in that: the device comprises a control box body (1), wherein a microprocessor (2) is arranged in the control box body (1), a control panel (3) is arranged on the surface of the side surface of the control box body (1), a plurality of mounting grooves (1.1) are formed in the upper surface of the control box body (1), a cavity structure (4) is arranged on each mounting groove (1.1), a liquid level sensor (5) is arranged on the inner bottom surface of each cavity structure (4), the liquid level sensors (5) are connected with electric signal sensor wires (6), and the electric signal sensor wires (6) downwards penetrate through the bottom of each cavity structure (4) and the mounting grooves (1.1) to be connected with the microprocessor (2) in the control box body (1); wherein the content of the first and second substances,
the control signal output end of the control panel (3) is connected with the signal input end of the liquid level sensor (5),
the electric signal of the liquid level sensor (5) is connected with the signal input end of the microprocessor (2) through an electric signal sensor lead (6);
the microprocessor (2) is connected with the control panel (3).
2. The device for measuring the moisture permeability test of the breathable film material of claim 1, wherein: the cavity structure (4) comprises a cylinder structure (4.1), and an annular rubber ring (4.2) and an annular gasket (4.3) are fixed on a ring on the top outer edge of the cylinder structure (4.1) through a bolt assembly.
3. The device for measuring the moisture permeability test of the air-permeable film material according to claim 2, wherein: a groove (4.11) is formed in the center of the bottom of the cylindrical structure (4.1), a central sealing sleeve (7) is arranged in the groove (4.11), and the central sealing sleeve (7) is sleeved outside the electric signal sensor lead (6).
4. The device for measuring the moisture permeability test of the air-permeable film material according to claim 2, wherein: the bolt assembly consists of three symmetrical bolts (4.4).
5. The device for measuring the moisture permeability test of the breathable film material of claim 1, wherein: the liquid level sensor (5) is a corrugated pressure sensor.
6. The device for measuring the moisture permeability test of the breathable film material of claim 1, wherein: the number of the mounting grooves (1.1) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621763.6U CN216525343U (en) | 2021-10-29 | 2021-10-29 | Measuring device for moisture permeability test of breathable film material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621763.6U CN216525343U (en) | 2021-10-29 | 2021-10-29 | Measuring device for moisture permeability test of breathable film material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216525343U true CN216525343U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122621763.6U Active CN216525343U (en) | 2021-10-29 | 2021-10-29 | Measuring device for moisture permeability test of breathable film material |
Country Status (1)
| Country | Link |
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| CN (1) | CN216525343U (en) |
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2021
- 2021-10-29 CN CN202122621763.6U patent/CN216525343U/en active Active
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