CN214066867U - Gas permeation test multi-cavity distribution structure and gas permeation test equipment - Google Patents
Gas permeation test multi-cavity distribution structure and gas permeation test equipment Download PDFInfo
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- CN214066867U CN214066867U CN202022715422.0U CN202022715422U CN214066867U CN 214066867 U CN214066867 U CN 214066867U CN 202022715422 U CN202022715422 U CN 202022715422U CN 214066867 U CN214066867 U CN 214066867U
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- 238000012360 testing method Methods 0.000 title claims abstract description 144
- 239000012159 carrier gas Substances 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 47
- 230000035515 penetration Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model provides a gas permeation test multi-cavity distribution structure and gas permeation test equipment, the multi-cavity distribution structure comprises a plurality of test cavities which are arranged in an array manner, a carrier gas inlet of each test cavity is respectively communicated with a carrier gas inlet pipeline through a branch pipeline, a carrier gas outlet of each test cavity is respectively communicated with a carrier gas outlet pipeline through a branch pipeline, and the carrier gas outlet pipeline is communicated with a sensing element; the utility model can perform the penetration test on a plurality of test samples under the same test condition through a plurality of test cavities arranged in an array manner; and a uniform carrier gas inlet pipeline, a carrier gas outlet pipeline and a sensing element are adopted, so that the test error caused by excessive pipelines and sensing elements is avoided.
Description
Technical Field
The utility model relates to a gas permeation test technical field, in particular to gas permeation test multicavity distribution structure and gas permeation test equipment.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, the number of test cavities in gas and water vapor transmission rate test equipment is small, only 1-3 sets of test cavities are generally arranged, only 1-3 test samples can be tested each time, and the test efficiency is low. When a plurality of samples are available, a plurality of gas and water vapor transmission rate testing devices are generally used for testing, and because the testing precision, the temperature control precision and the humidity control precision of the sensor in each device are not completely consistent, the testing results of the plurality of samples have larger errors due to different errors of different devices.
Moreover, the existing gas or water vapor transmission rate testing equipment has various and complex pipelines and numerous pipeline joints, and belongs to high-precision testing equipment, the tightness of the pipelines is particularly important for the equipment, the more the pipelines are complex, the higher the leakage probability is, therefore, the pipelines of the gas or water vapor transmission rate testing equipment are reduced as much as possible under the condition of meeting the testing requirements of the equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a gas permeation test multi-cavity distribution structure and a gas permeation test device, which can perform the permeation test on a plurality of test samples under the same test condition through a plurality of test cavities arranged in an array manner; and a uniform carrier gas inlet pipeline, a carrier gas outlet pipeline and a sensing element are adopted, so that the test error caused by excessive pipelines and sensing elements is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses the first aspect provides a gas permeation test multicavity distribution structure.
A multi-cavity distribution structure for gas permeation test comprises a plurality of test cavities which are arranged in an array mode, carrier gas inlets of the test cavities are respectively communicated with carrier gas inlet pipelines through branch pipelines, carrier gas outlets of the test cavities are respectively communicated with carrier gas outlet pipelines through the branch pipelines, and the carrier gas outlet pipelines are communicated with sensing elements.
As some possible implementation manners, the plurality of test cavities arranged in an array includes at least two rows of test units, and each row of test units includes at least three test cavities.
As some possible implementation manners, the plurality of test cavities arranged in an array includes at least two rows of test units, and each row of test units includes at least three test cavities.
As some possible realization modes, branch pipelines communicated with the carrier gas outlet of each test cavity are respectively communicated with the carrier gas outlet pipeline and the emptying pipeline through switching valves.
As some possible implementation manners, the carrier gas outlet pipe comprises a main carrier gas outlet pipe and a plurality of branch carrier gas outlet pipes, and each branch carrier gas outlet pipe is respectively communicated with the switching valve and the main carrier gas outlet pipe.
As some possible implementation manners, the test cavity comprises a first test cavity and a second test cavity which are respectively provided with an opening, and a sample is placed between the openings of the first test cavity and the second test cavity;
the first test cavity is provided with a first air inlet and a first air outlet, the second test cavity is provided with a second air inlet and a second air outlet, the first air inlet is communicated with the test gas supply device through a pipeline, and the first air outlet is communicated with the first emptying pipeline;
the second air inlet is communicated with the carrier gas supply device through a pipeline, and branch pipelines communicated with the second air outlet are respectively communicated with the carrier gas outlet pipeline and the second emptying pipeline through a switching valve.
As possible realization modes, the carrier gas inlet pipe is a main inlet pipeline and is communicated with each test cavity through a plurality of branch pipelines.
As some possible implementations, each branch line is provided with at least one valve for controlling the opening and closing of the line.
As some possible realization modes, at least one valve for controlling the opening and the closing of the pipeline is arranged on the communication pipeline between the carrier gas outlet pipeline and the sensing element.
The utility model discloses the second aspect provides a gas permeation test equipment, include the first aspect gas permeation test multicavity distribution structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. gas permeation test multicavity distribution structure or gas permeation test equipment, through a plurality of test cavities that array was arranged, can carry out the penetration test under the same test condition to a plurality of test samples, improved the measuring accuracy.
2. Gas permeation test multicavity distribution structure or gas permeation test equipment, adopt unified carrier gas inlet line, carrier gas to go out gas line and sensing element, avoided the test error that too much pipeline and sensing element brought.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of a gas permeation test multi-cavity distribution structure provided in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a test chamber provided in embodiment 1 of the present invention.
1. A carrier gas inlet line; 2. a test chamber; 3. a switching valve; 4. evacuating the line; 5. a carrier gas outlet pipeline; 6. a sensor; 201. a first cavity; 202. a first cavity air inlet pipeline; 203. a second cavity air inlet pipeline; 204. a first cavity gas outlet pipeline; 205. testing the sample; 206. a second cavity gas outlet pipeline; 207. a second cavity.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Example 1:
as shown in fig. 1, the embodiment 1 of the utility model provides a gas permeation test multicavity distribution structure, including a plurality of test cavitys that array was arranged, the carrier gas air inlet in each test cavity is respectively through branch pipeline and carrier gas inlet line intercommunication, and the carrier gas outlet in each test cavity is respectively through branch pipeline and carrier gas outlet line intercommunication, and carrier gas outlet line and sensing element intercommunication.
In this embodiment, the matrix arrangement mode is adopted, and a plurality of test cavities arranged in the matrix include at least two rows of test units, and each row of test units includes at least three test cavities.
Specifically, in this embodiment, the multi-cavity arrangement gas permeation test structure includes 6 or more than 6 test cavities 2, and the arrangement of the test cavities 2 is a structure in which two or more than two test cavities are arranged in a horizontal direction to form a group, three or more than three groups are arranged in a vertical direction, and at least two rows and three rows are arranged.
It is understood that, in some other embodiments, the plurality of test cavities arranged in a matrix may include at least two rows of test units, each row of test units includes at least three test cavities, and each row includes one test cavity in each column of test units; if the test device comprises 6 or more than 6 test cavities 2, the arrangement mode of the test cavities 2 is a structure in which two or more than two test cavities are arranged in a longitudinal direction to form a group, three or more than three groups are arranged in a transverse direction, and at least two rows and three columns are arranged.
It can be understood that in other embodiments, other array structures such as a circular array or a curved array may also be used, and those skilled in the art may select the array structure according to specific working conditions, which is not described herein again; or the plurality of test cavities arranged in an array mode comprise at least two test cavities arranged in the same row and at least two test cavities arranged in the same column, and the test cavities arranged in the same column comprise one of the test cavities arranged in the same row.
As shown in fig. 2, the testing chamber 2 includes a first chamber 201 and a second chamber 207, the first chamber 201 and the second chamber 207 are respectively provided with an opening, the first chamber 201 and the second chamber 207 are located at two sides of the testing sample 205, and the openings of the first chamber 201 and the second chamber 207 face the testing sample 205.
A first cavity inlet pipeline 202 and a first cavity outlet pipeline 204 are arranged on the first cavity 202, and a second cavity inlet pipeline 203 and a second cavity outlet pipeline 206 are arranged on the second cavity 207.
It can be understood that, in some other embodiments, the air inlet and outlet pipelines on the first cavity and the second cavity may be multiple, that is, multiple air inlets or air outlets may be provided, and those skilled in the art may select the air inlet and the air outlet according to specific working conditions, which is not described herein again.
In this embodiment, the multi-cavity arrangement gas permeation test structure further includes a carrier gas inlet pipeline 1, where the carrier gas inlet pipeline 1 is a main pipeline, and the main pipeline is communicated with the second cavity inlet pipelines 203 on all the second cavities 207 through branch pipelines.
The second cavity outlet pipelines 206 of all the second cavities 207 are provided with switching valves 3, the second cavities 207 are switched by the switching valves 3 to be communicated with the emptying pipelines 4 or communicated with the carrier gas outlet pipelines 5, and the carrier gas pipelines 5 are gathered on one pipeline and then connected with the gas inlet of the sensor 6.
It is understood that in other embodiments, the air inlet and the air outlet of the sensor 6 may be provided with valves for controlling the air inlet and the air outlet of the sensor 6, and the valves may be solenoid valves, hand valves, hydraulic valves, etc., which may be selected by those skilled in the art according to specific working conditions and will not be described herein.
Example 2
The embodiment 2 of the utility model provides a gas permeation test multi-cavity distribution structure, the arrangement of test cavity 2 is a set of for vertical two or more than two, and horizontal two sets of or more than two sets of, other structures are the same with in relation of connection and the embodiment 1, and here is no longer repeated.
Example 3:
the embodiment 3 of the utility model provides a gas permeation test equipment, including the gas permeation test multicavity distribution structure that embodiment 1 provided.
Example 4:
the embodiment 4 of the utility model provides a gas permeation test equipment, including the gas permeation test multicavity distribution structure that embodiment 2 provided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-cavity distribution structure for gas permeation testing is characterized by comprising a plurality of testing cavities which are arranged in an array mode, wherein a carrier gas inlet of each testing cavity is communicated with a carrier gas inlet pipeline through a branch pipeline, a carrier gas outlet of each testing cavity is communicated with a carrier gas outlet pipeline through a branch pipeline, and the carrier gas outlet pipeline is communicated with a sensing element.
2. The gas permeation test multi-cavity distribution structure according to claim 1, wherein the plurality of test cavities arranged in an array comprises at least two columns of test cells, each column of test cells comprising at least three test cavities.
3. The gas permeation test multi-cavity distribution structure according to claim 1, wherein the plurality of test cavities arranged in an array comprises at least two rows of test cells, each row of test cells comprising at least three test cavities.
4. The gas permeation test multi-chamber distribution structure according to claim 1, wherein the branch lines communicating with the carrier gas outlet port of each test chamber are respectively communicated with the carrier gas outlet line and the evacuation line through switching valves.
5. The gas permeation test multi-cavity distribution structure according to claim 4, wherein the carrier gas outlet tube comprises a main carrier gas outlet tube and a plurality of branch carrier gas outlet tubes, each branch carrier gas outlet tube being in communication with the switching valve and the main carrier gas outlet tube, respectively.
6. The gas permeation test multi-cavity distribution structure according to claim 1, wherein the test cavities comprise a first test cavity and a second test cavity having respective openings, the openings of the first test cavity and the second test cavity being positioned opposite to each other;
the first test cavity is provided with a first air inlet and a first air outlet, the second test cavity is provided with a second air inlet and a second air outlet, the first air inlet is communicated with the test gas supply device through a pipeline, and the first air outlet is communicated with the first emptying pipeline;
the second air inlet is communicated with the carrier gas supply device through a pipeline, and branch pipelines communicated with the second air outlet are respectively communicated with the carrier gas outlet pipeline and the second emptying pipeline through a switching valve.
7. The gas permeation test multi-chamber distribution structure according to claim 1, wherein the carrier gas inlet conduit is a primary inlet conduit communicating with each of the test chambers through a plurality of branch conduits.
8. A gas permeation test multi-lumen distribution structure according to claim 1 wherein each of the branch lines includes at least one valve for controlling the opening and closing of the line.
9. The gas permeation test multi-cavity distribution structure according to claim 1, wherein at least one valve for controlling the opening and closing of the pipeline is provided on a communication pipeline between the carrier gas outlet pipeline and the sensing element;
or,
the array arrangement is a rectangular array, a circular array or a curved array.
10. A gas permeation testing apparatus comprising a gas permeation testing multi-chamber distribution structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022715422.0U CN214066867U (en) | 2020-11-20 | 2020-11-20 | Gas permeation test multi-cavity distribution structure and gas permeation test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022715422.0U CN214066867U (en) | 2020-11-20 | 2020-11-20 | Gas permeation test multi-cavity distribution structure and gas permeation test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214066867U true CN214066867U (en) | 2021-08-27 |
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| CN202022715422.0U Active CN214066867U (en) | 2020-11-20 | 2020-11-20 | Gas permeation test multi-cavity distribution structure and gas permeation test equipment |
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| Country | Link |
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| CN (1) | CN214066867U (en) |
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