CN212031250U - Yeast recombinant collagen gel dressing water vapor transmission rate testing machine - Google Patents
Yeast recombinant collagen gel dressing water vapor transmission rate testing machine Download PDFInfo
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- CN212031250U CN212031250U CN202020758623.6U CN202020758623U CN212031250U CN 212031250 U CN212031250 U CN 212031250U CN 202020758623 U CN202020758623 U CN 202020758623U CN 212031250 U CN212031250 U CN 212031250U
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Abstract
The utility model relates to the field of steam transmittance tests, and provides a steam transmittance testing machine for yeast recombinant collagen gel dressing, which comprises a sample testing component and a box body for placing the sample testing component; the top of the box body is provided with a water vapor inlet; the bottom of the box body is provided with an exhaust port; the sample testing assembly includes: the sample collecting box is filled with a drying agent, the bottom of the sample collecting box is provided with an exhaust hole, and a sample to be detected completely covers the opening of the sample collecting box; after the sample testing component is placed into the box body, an upper cavity and a lower cavity are formed in the box body; the water vapor enters the upper chamber from the water vapor inlet, permeates through the sample to be detected, is absorbed by the drying agent, enters the lower chamber after passing through the exhaust hole, and is exhausted from the exhaust hole. The yeast recombinant collagen gel dressing water vapor transmission rate testing machine can calculate the water vapor transmission rate of a unit area through the effective area of a sample to be tested and the mass change of a drying agent, and is simple in structure and convenient to operate.
Description
Technical Field
The utility model relates to a steam transmittance tests the field, concretely relates to yeast recombination collagen gel dressing water vapor transmittance testing machine.
Background
The yeast recombinant collagen gel dressing is an important medical product for wound care, has remarkable advantages in the aspects of promoting wound healing and durability compared with the traditional dressing, and the water vapor transmission rate is an important index for representing the performance of the dressing, because the proper water vapor transmission rate can keep the proper moisture content of the wound environment.
The traditional water vapor transmission rate test adopts an electrolytic sensor for testing, utilizes the sensor for testing the water vapor transmission rate, generally needs a complete set of test system controlled by a computer, and has higher cost. Therefore, it is an urgent need to provide a water vapor transmission rate testing machine with simple structure and convenient operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a yeast recombination collagen gel dressing vapor transmission rate testing machine to realize simple structure, convenient operation's yeast recombination collagen gel dressing vapor transmission rate testing machine.
In order to solve the technical problem, the utility model provides a yeast recombination collagen gel dressing water vapor transmission rate testing machine, include: the device comprises a sample testing component and a box body for placing the sample testing component; the top of the box body is provided with a water vapor inlet; the bottom of the box body is provided with an exhaust port; the steam is introduced into the box body through the steam inlet and is exhausted from the exhaust port after passing through the sample testing component.
Further, the sample testing assembly comprises: the sample collecting box is filled with a drying agent, is provided with an exhaust hole at the bottom and is suitable for covering a sample to be detected at the opening of the sample collecting box; the sample to be detected completely covers the opening of the material collecting box; after the sample testing component is placed into the box body, an upper cavity and a lower cavity are formed in the box body; the water vapor enters the upper chamber from the water vapor inlet, permeates through the sample to be detected, is absorbed by the drying agent, enters the lower chamber after passing through the exhaust hole, and is exhausted from the exhaust hole.
Furthermore, a supporting mesh plate is arranged between the sample to be detected and the aggregate box.
Furthermore, a semipermeable membrane is arranged between the supporting mesh plate and the sample to be detected; the semi-permeable membrane is suitable for water vapor to pass through and isolate a sample to be tested from the desiccant.
Furthermore, the edges of the material collecting boxes are provided with supporting edges; the sample testing assembly comprises a movable sealing batten; the lower cavity is provided with a fixed sealing pressing strip; the movable sealing pressing strip and the fixed sealing pressing strip are abutted against the upper surface and the lower surface of the supporting edge; and the sample to be detected and the support edge of the material collecting box are pressed on the fixed sealing pressing strip by the movable sealing pressing strip to be sealed above the sample to be detected.
Furthermore, a separation net for preventing the drying agent from falling is arranged in the exhaust hole.
The beneficial effects of the utility model are that, this yeast recombination collagen gel dressing vapor transmission rate testing machine accessible sample that awaits measuring's effective area and the change of quality of drier calculate unit area's vapor transmission rate, this yeast recombination collagen gel dressing vapor transmission rate testing machine simple structure, convenient operation.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is an assembly view of a moisture vapor transmission rate tester for yeast recombinant collagen gel dressing according to the present invention;
FIG. 2 is a schematic structural diagram of a moisture vapor transmission rate tester for yeast recombinant collagen gel dressing according to the present invention;
FIG. 3 is a schematic cross-sectional view of the moisture vapor transmission rate testing machine for yeast recombinant collagen gel dressing according to the present invention;
in the figure:
the device comprises a box body 1, a water vapor inlet 2, an exhaust port 3, a sample to be detected 4, a material collecting box 5, an exhaust hole 6, an upper cavity 7, a lower cavity 8, a supporting mesh plate 9, a semipermeable membrane 10, a movable sealing pressing strip 11 and a fixed sealing pressing strip 12.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
FIG. 1 is an assembly view of a moisture vapor transmission rate tester for yeast recombinant collagen gel dressing according to the present invention;
FIG. 2 is a schematic structural diagram of a moisture vapor transmission rate tester for yeast recombinant collagen gel dressing according to the present invention;
fig. 3 is a schematic cross-sectional structure diagram of a moisture vapor transmission rate testing machine for yeast recombinant collagen gel dressing according to the present invention.
As shown in fig. 1 and fig. 2, this embodiment provides a moisture vapor transmission rate tester for yeast recombinant collagen gel dressing, comprising: a sample testing component and a box body 1 for placing the sample testing component; the sample testing component is suitable for carrying out a water vapor transmission rate test on a sample 4 to be tested; the top of the box body 1 is provided with a water vapor inlet 2; the bottom of the box body 1 is provided with an exhaust port 3; the water vapor is introduced into the box body 1 through the water vapor inlet 2 and is exhausted from the exhaust port 3 after passing through the sample testing component.
In this embodiment, the sample testing assembly includes: the sample collecting box 5 is filled with a drying agent, the bottom of the sample collecting box is provided with an exhaust hole 6, and the sample collecting box is suitable for covering the sample 4 to be detected at the opening of the sample collecting box 5; the sample 4 to be tested should completely cover the opening of the material collecting box 5; after the sample testing component is placed into the box body 1, an upper chamber 7 and a lower chamber 8 are formed in the box body; water vapor enters the upper chamber 7 from the water vapor inlet 2, permeates through the sample 4 to be tested and is absorbed by the desiccant, and enters the lower chamber 8 after passing through the exhaust hole 6 and is exhausted from the exhaust hole 3.
Wherein, the relative humidity of the water vapor in this embodiment may be 45%, 50%, 60%, 75%; and (3) placing the box body 1 with the sample testing component in a constant temperature environment, wherein the environment temperature can be 36 ℃, 37 ℃ and 38 ℃.
In this embodiment, the water vapor transmission rate X of the sample 4 per unit area is the ratio of the increase Δ W in the weight of the drying agent in the aggregate box 5 to the effective area S of the sample and the time T for the test. The opening area of the aggregate box 5 is the effective area of the sample 4 to be measured. Namely: in unit time, the calculation formula of the water vapor transmission rate X of the sample 4 to be measured per unit area is as follows: x = Δ W/(sxt).
In this embodiment, a supporting mesh plate 9 may be further disposed between the sample 4 to be measured and the collection box 5.
In this embodiment, a semi-permeable membrane 10 may be further disposed between the supporting mesh plate 9 and the sample 4 to be measured; the semi-permeable membrane 10 is adapted to allow water vapor to pass through and isolate the sample 4 to be tested from the desiccant to prevent non-aqueous materials from entering the collection box 5 and affecting the test results.
In this embodiment, the edges of the material collecting box 5 are provided with supporting edges; the sample testing assembly comprises a movable sealing bead 11; the lower chamber 8 is provided with a fixed sealing batten 12; the movable sealing pressing strip 11 and the fixed sealing pressing strip 12 are abutted to the upper surface and the lower surface of the supporting edge so as to prevent water vapor from bypassing the sample 4 to be detected from the edge of the aggregate box 5 and entering the lower chamber 8; and the supporting edges of the sample 4 to be detected and the material collecting box 5 are pressed on the fixed sealing pressing strip by the movable sealing pressing strip above the sample 4 to be detected for sealing.
In this embodiment, a separation net for preventing the drying agent from falling may be further disposed in the exhaust hole 6.
To sum up, the utility model provides a yeast recombination collagen gel dressing water vapor transmission rate testing machine, include: the device comprises a sample testing component and a box body for placing the sample testing component; the top of the box body is provided with a water vapor inlet; the bottom of the box body is provided with an exhaust port; the sample testing assembly includes: the sample collecting box is filled with a drying agent, is provided with an exhaust hole at the bottom and is suitable for covering a sample to be detected at the opening of the sample collecting box; the sample to be detected completely covers the opening of the material collecting box; after the sample testing component is placed into the box body, an upper cavity and a lower cavity are formed in the box body; the water vapor enters the upper chamber from the water vapor inlet, permeates through the sample to be detected, is absorbed by the drying agent, enters the lower chamber after passing through the exhaust hole, and is exhausted from the exhaust hole. The yeast recombinant collagen gel dressing water vapor transmission rate testing machine can calculate the water vapor transmission rate of a unit area through the effective area of a sample to be tested and the mass change of a drying agent, and is simple in structure and convenient to operate.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A yeast recombination collagen gel dressing water vapor transmission rate testing machine is characterized by comprising:
a sample testing component and a box body (1) for placing the sample testing component;
the top of the box body (1) is provided with a steam inlet (2);
the bottom of the box body (1) is provided with an exhaust port (3);
the water vapor is introduced into the box body (1) through the water vapor inlet (2) and is exhausted from the exhaust port (3) after passing through the sample testing component.
2. The yeast recombinant collagen gel dressing water vapor transmission rate tester of claim 1,
the sample testing assembly includes: the sample collecting box (5) is filled with a drying agent, the bottom of the sample collecting box is provided with an exhaust hole (6), and the sample collecting box is suitable for covering a sample (4) to be detected at the opening of the sample collecting box (5);
the sample (4) to be tested completely covers the opening of the material collecting box (5);
after the sample testing component is placed into the box body (1), an upper chamber (7) and a lower chamber (8) are formed in the box body;
the water vapor enters the upper chamber (7) from the water vapor inlet (2), permeates through the sample (4) to be tested and is absorbed by the drying agent, and enters the lower chamber (8) after passing through the exhaust hole (6) and is exhausted from the exhaust hole (3).
3. The yeast recombinant collagen gel dressing water vapor transmission rate tester according to claim 2,
a supporting mesh plate (9) is arranged between the sample (4) to be detected and the material collecting box (5).
4. The yeast recombinant collagen gel dressing water vapor transmission rate tester according to claim 3,
a semipermeable membrane (10) is arranged between the supporting mesh plate (9) and the sample (4) to be detected;
the semi-permeable membrane (10) is adapted to allow water vapour to pass through and isolate the sample (4) to be tested from the desiccant.
5. The yeast recombinant collagen gel dressing water vapor transmission rate tester according to claim 2,
the edges of the material collecting boxes (5) are provided with supporting edges;
the sample testing assembly comprises a movable sealing bead (11);
the lower cavity (8) is provided with a fixed sealing pressing strip (12);
the movable sealing pressing strip (11) and the fixed sealing pressing strip (12) are abutted against the upper surface and the lower surface of the supporting edge;
and the sample (4) to be detected and the support edge of the material collecting box (5) are pressed on the fixed sealing pressing strip by the movable sealing pressing strip to be sealed above the sample (4) to be detected.
6. The yeast recombinant collagen gel dressing water vapor transmission rate tester according to claim 2,
and a separation net for preventing the drying agent from falling is arranged in the exhaust hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758623.6U CN212031250U (en) | 2020-05-09 | 2020-05-09 | Yeast recombinant collagen gel dressing water vapor transmission rate testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758623.6U CN212031250U (en) | 2020-05-09 | 2020-05-09 | Yeast recombinant collagen gel dressing water vapor transmission rate testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212031250U true CN212031250U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020758623.6U Active CN212031250U (en) | 2020-05-09 | 2020-05-09 | Yeast recombinant collagen gel dressing water vapor transmission rate testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212031250U (en) |
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2020
- 2020-05-09 CN CN202020758623.6U patent/CN212031250U/en active Active
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