CN207231977U - Permeability test device - Google Patents

Permeability test device Download PDF

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Publication number
CN207231977U
CN207231977U CN201721305443.7U CN201721305443U CN207231977U CN 207231977 U CN207231977 U CN 207231977U CN 201721305443 U CN201721305443 U CN 201721305443U CN 207231977 U CN207231977 U CN 207231977U
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China
Prior art keywords
groove
lid
annular seal
test
seal space
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CN201721305443.7U
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Chinese (zh)
Inventor
刘利频
谢新艺
黄晓钢
程晓练
曾旭勇
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Labstone Instruments Technology Co Ltd
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Labstone Instruments Technology Co Ltd
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Abstract

The utility model discloses a kind of permeability test device, including matrix, examine lid and contrast lid, the inspection lid is used for holding test samples with described matrix, the inspection lid is equipped with the first groove for being used for that first annular seal space to be surrounded with test sample, described matrix is equipped with the second groove for being used for that the second annular seal space to be surrounded with test sample, first groove is oppositely arranged with second groove, the contrast lid is used to clamp standard sample with described matrix, the contrast lid is equipped with the 3rd groove for being used for that the 3rd annular seal space to be surrounded with standard sample, described matrix is equipped with the 4th groove for being used for that the 4th annular seal space to be surrounded with standard sample, 3rd groove is oppositely arranged with the 4th groove.Due to known to the barrier of standard sample, using control and reference of the test result of standard sample as test sample, then above-mentioned permeability test device can obtain test sample and the test result of standard sample, testing efficiency higher, error smaller at the same time in once testing.

Description

Permeability test device
Technical field
Examination of materials equipment technical field is the utility model is related to, more particularly to a kind of permeability test device.
Background technology
The barrier of material is one of important indicator of material property, can be more preferable by the test of the barrier to material Material is used for corresponding field.
Using the barrier of the Transmissivity measurement material of gas, in the device of traditional test material barrier, due to The setting of device is unreasonable, causes testing efficiency low.
The content of the invention
Based on this, surveyed the utility model lies in that overcoming the deficiencies of the prior art and provide a kind of high barrier of testing efficiency Trial assembly is put.
Its technical solution is as follows:
A kind of permeability test device, including matrix, inspection lid and contrast lid, the inspection lid and described matrix It is described to examine lid to be equipped with the first groove for being used for surrounding first annular seal space with test sample for holding test samples, it is described Matrix is equipped with the second groove for being used for that the second annular seal space to be surrounded with test sample, and first groove is opposite with second groove to be set Put, the contrast lid is used to clamp standard sample with described matrix, and the contrast lid, which is equipped with, to be used to enclose with standard sample Into the 3rd groove of the 3rd annular seal space, described matrix is equipped with the 4th groove for being used for that the 4th annular seal space to be surrounded with standard sample, described 3rd groove is oppositely arranged with the 4th groove.
Above-mentioned permeability test device, using lid and support holder test sample is examined, can be formed first annular seal space with Second annular seal space, by the pressure or decompression in annular seal space, can make the first annular seal spaces of test sample both sides, the second annular seal space it Between form pressure differential, or the first annular seal space of test sample both sides, the second annular seal space are passed through a certain amount of gas or steam, are formed Concentration difference, the annular seal space that gas can be by the annular seal space of side by test sample into opposite side at this time, to detect test sample Barrier, with this principle equally using the barrier of contrast lid and matrix measurement standard sample, due to standard sample Barrier is it is known that using control and reference of the test result of standard sample as test sample, then above-mentioned permeability test Device can obtain test sample and the test result of standard sample at the same time in once testing, without repeatedly test, test effect Rate higher, while the test of standard sample can ensure that the test to test sample is more accurate, error smaller.
In one of the embodiments, above-mentioned permeability test device further includes pressing assembly, the inspection lid, described Contrast lid is equipped with mating groove on the side away from described matrix, and the mating groove is matched with the pressing assembly.Above-mentioned resistance Every system safety testing device, acted on using pressing assembly and examine lid and contrast lid, make inspection lid and contrast lid and base Body is matched for clamping tightly sample, due to examining lid, side of the contrast lid away from matrix to be equipped with the cooperation coordinated with pressing assembly Groove, when pressing assembly acts on and examines lid and contrast lid, pressing assembly is not easy to slip, and clamping effect is more preferable at this time, has Beneficial to raising testing efficiency.
In one of the embodiments, it is described examine lid quantity be at least three, it is described examine lid quantity with The quantity of second groove is correspondingly arranged.By setting at least three second grooves, multiple data are can obtain, by multiple data Handled, be conducive to improve measuring accuracy.
In one of the embodiments, the outer surface of described matrix includes first side, second side, the 3rd side and the Four sides, are equipped with second groove, the 4th side on the first side, the second side and the 3rd side It is equipped with the 4th groove.By the way that aforementioned four groove is arranged on four different sides, above-mentioned barrier can be made full use of Each face of test device, more compact structure, can reduce volume.
In one of the embodiments, described matrix is hexahedron, the first side, the second side, described Three sides and the 4th side are four faces adjacent in described matrix.When using above-mentioned permeability test device, matrix A face be used for install, another face be used for connect with air-channel system, therefore, in order to ensure that be used for install and for gas circuit system The side of system connection does not influence the work of other sides, and first side, second side, the 3rd side and the 4th side are arranged to Four adjacent faces on matrix, at this time after installing matrix, more convenient that aforementioned four side is operated, testing efficiency is more Height, while the second groove of the measurement for test sample is set on three sides, three test datas are can obtain, meet minimum system Meter requires, it is ensured that the reliability of data, further improves the precision of test.
In one of the embodiments, the endface of second groove is used to be bonded test sample, the end of the 4th groove It is used to be bonded standard sample at face.When being tested, test sample is first attached to the endface of the second groove, by standard sample The endface of the 4th groove is attached at, as long as then lid, contrast lid will be examined to be aligned with matrix at this time, you can ensure to clamp, behaviour Make simple, testing efficiency height.
In one of the embodiments, the mating groove is bar-shaped trough, and the middle part of the mating groove is circular trough.At this time may be used Prevent from pressing assembly and examine to relatively rotate between lid or contrast lid, ensure the air-tightness of test, test can be improved The accuracy of data.
In one of the embodiments, above-mentioned permeability test device further includes the first sealing ring and the second sealing ring, institute State and examine lid to be equipped with the first mounting groove coordinated with first sealing ring, first peace close to the side of described matrix Tankage is set around first groove, and the contrast lid is equipped with close to the side of described matrix matches somebody with somebody with second sealing ring The second mounting groove closed, second mounting groove are set around the 3rd groove.Sealing ring can ensure the air-tightness of test, reduce The influence of external environment, improves the precision of test.
In one of the embodiments, it is equipped with and is used for and air-channel system on the inner wall of second groove, the 4th groove First stomata of connection.Available the first stomata connected with air-channel system depressurizes the second annular seal space, the 4th annular seal space Or pressurization, or a certain amount of gas or steam are passed through to the second annular seal space, the 4th annular seal space, it is convenient to survey for forming concentration difference Examination.
In one of the embodiments, the side of the inspection lid away from first groove is equipped with and first groove Second stomata of connection, the side of the contrast lid away from the 3rd groove are equipped with the 3rd gas connected with the 3rd groove Hole, second stomata are used to testing system connectivity with the 3rd stomata.Second stomata also can to first annular seal space into Row pressure or decompression, or a certain amount of gas or steam are passed through, the 3rd stomata can carry out the 3rd annular seal space pressure or decompression, or A certain amount of steam or gas are passed through, test sample or standard sample both sides is formed pressure difference.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the permeability test device described in the utility model embodiment;
Fig. 2 is the A-A sectional views of Fig. 1;
Fig. 3 is matrix, inspection lid and the structure diagram for contrasting lid described in the utility model embodiment.
Description of reference numerals:
100th, matrix, the 110, second annular seal space, the 120, second groove, the 130, the 4th annular seal space, the 140, the 4th groove, 151, first Side, 152, second side, the 153, the 3rd side, the 154, the 4th side, 200, examine lid, 210, first annular seal space, 220, First groove, 300, contrast lid, the 310, the 3rd annular seal space, 400, mating groove, 10, test sample, 20, standard sample.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly The more thorough and comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" bag Include the arbitrary and all combination of one or more relevant Listed Items.
" first " described in the utility model, " second " do not represent specific quantity and order, are only used for title Distinguish.
In the present embodiment, standard sample 20 is material known to barrier property.
As shown in Figure 1 to Figure 3, permeability test device includes matrix 100, examines lid 200 and contrast lid 300, inspection Test lid 200 and matrix 100 and be used for holding test samples 10, examine lid 200 to be equipped with for surrounding the with test sample 10 First groove 220 of one annular seal space 210, matrix 100 are equipped with the second groove for being used for that the second annular seal space 110 to be surrounded with test sample 10 120, the first groove 220 is oppositely arranged with the second groove 120, and contrast lid 300 is used to clamp standard sample 20 with matrix 100, contrasts Lid 300 is equipped with the 3rd groove for being used for that the 3rd annular seal space 310 to be surrounded with standard sample 20, and matrix 100, which is equipped with, to be used for and mark Quasi- sample 20 surrounds the 4th groove 140 of the 4th annular seal space 130, and the 3rd groove is oppositely arranged with the 4th groove 140.
Above-mentioned permeability test device, using lid 200 and 100 holding test samples 10 of matrix is examined, can form first 210 and second annular seal space 110 of annular seal space, by the pressure or decompression in annular seal space, can make the first close of 10 both sides of test sample Pressure differential is formed between envelope chamber 210, the second annular seal space 110, or the first annular seal space 210, second of 10 both sides of test sample seals Chamber 110 is passed through a certain amount of gas or steam, forms concentration difference, and gas can pass through test sample 10 by the annular seal space of side at this time Into the annular seal space of opposite side, to detect the barrier of test sample 10, with this principle equally using contrast lid 300 and base The barrier of 100 measurement standard sample 20 of body, since the barrier of standard sample 20 is it is known that test using standard sample 20 As a result the control and reference as test sample 10, then above-mentioned permeability test device can once test at the same time can be surveyed The test result of test agent 10 and standard sample 20, without repeatedly test, testing efficiency higher, while the test of standard sample 20 It can ensure that the test to test sample 10 is more accurate, error smaller.
Alternatively, test sample 10 and standard sample 20 are film-form, easy to using above-mentioned permeability test device into Row test.
Alternatively, above-mentioned first groove 220, the second groove 120, the 3rd groove and the 4th groove 140 are circular groove, above-mentioned inspection Lid 200 and contrast lid 300 are cylindrical.
As shown in Figure 1, above-mentioned permeability test device further includes pressing assembly, examine lid 200, contrast lid 300 remote Mating groove 400 is equipped with side from matrix 100, mating groove 400 coordinates with pressing assembly.Above-mentioned permeability test device, Acted on using pressing assembly and examine lid 200 and contrast lid 300, make inspection lid 200 and contrast lid 300 and matrix 100 are matched for clamping tightly sample, and due to examining lid 200, side of the contrast lid 300 away from matrix 100 is equipped with and pressing assembly The mating groove 400 of cooperation, when pressing assembly acts on and examines lid 200 and contrast lid 300, pressing assembly is not easy to slip, Clamping effect is more preferable at this time, is conducive to improve testing efficiency.
Alternatively, examine lid 200 identical with contrast 300 structure of lid, while the first groove 220 and the second groove the 120, the 3rd Groove is identical with the shape of the 4th groove 140, identical to the test environment of test sample 10 and standard sample 20 at this time, standard sample 20 It can preferably play the role of with reference to and contrast.In addition, lid 200 is examined also to be set with contrast lid 300 according to test request It is set to different structure.
The quantity for examining lid 200 is at least three, examines the quantity of lid 200 is corresponding with the quantity of the second groove 120 to set Put.By setting at least three second grooves 120, multiple data are can obtain, by handling multiple data, are conducive to improve Measuring accuracy.
Alternatively, one, two or more second grooves 120 can be set on a side of matrix 100.
As shown in Figure 1 to Figure 3, the outer surface of matrix 100 includes first side 151, second side 152, the 3rd side 153 And the 4th side 154, first side 151, second side are equipped with the second groove 120, the 4th side on 152 and the 3rd side 153 154 are equipped with the 4th groove 140.By the way that aforementioned four groove is arranged on four different sides, above-mentioned barrier can be made full use of Each face of system safety testing device, more compact structure, can reduce volume.
As shown in Figures 1 and 2, matrix 100 is hexahedron, first side 151, second side 152, the 3rd side 153 and 4th side 154 is four faces adjacent on matrix 100.When using above-mentioned permeability test device, a face of matrix 100 For installing, another face is used to connect with air-channel system, therefore, in order to ensure that for installing and for connecting with air-channel system Side does not influence the work of other sides, and first side 151, second side 152, the 3rd side 153 and the 4th side 154 are set Four faces adjacent on matrix 100 are set to, it is more convenient that aforementioned four side is operated at this time after installing matrix 100, survey The second groove 120 more efficient, while that the measurement for test sample 10 is set on three sides is tried, can obtain three test numbers According to meeting minimum statistical requirements, it is ensured that the reliability of data, further improves the precision of test.
Alternatively, matrix 100 also can according to circumstances be arranged to other shapes, such as cone etc..
The endface of second groove 120 is used to be bonded test sample 10, and the endface of the 4th groove 140 is used to be bonded standard sample 20.When being tested, test sample 10 is first attached to the endface of the second groove 120, standard sample 20 is attached at the 4th The endface of groove 140, as long as then lid 200, contrast lid 300 will be examined to be aligned with matrix 100 at this time, you can ensure to clamp, Easy to operate, testing efficiency is high.
Alternatively, matrix 100 is equipped with the first leakage-proof socket set around the second groove 120 and is set around the 4th groove 140 The second leakage-proof socket, the first leakage-proof socket, the second leakage-proof socket inner wall on be equipped with the anti-leakage hole connected with air-channel system, test specimens Product 10 are covered on the first leakage-proof socket, and standard sample 20 is covered on the second leakage-proof socket.In test, air-channel system can be by anti- Leakage hole extracts the air in the first leakage-proof socket and the second leakage-proof socket, or a certain kind is supplemented into the first leakage-proof socket and the second leakage-proof socket The clean gas of class, can prevent the side of annular seal space from side leakage occurs.
Mating groove 400 is bar-shaped trough, and the middle part of mating groove 400 is circular trough.It can prevent pressing assembly from being covered with examining at this time Relatively rotate between body 200 or contrast lid 300, ensure the air-tightness of test, the accuracy of test data can be improved.
Above-mentioned permeability test device further includes the first sealing ring and the second sealing ring, examines lid 200 close to matrix 100 Side be equipped with the first mounting groove coordinated with the first sealing ring, the first mounting groove sets around the first groove 220, contrast lid 300 are equipped with the second mounting groove coordinated with the second sealing ring close to the side of matrix 100, and the second mounting groove is set around the 3rd groove Put.Sealing ring can ensure the air-tightness of test, reduce the influence of external environment, improve the precision of test.
In the present embodiment, the outside diameter of sealing ring is less than or equal to the outside diameter of test sample 10 and standard sample 20.
Second groove 120, the 4th groove 140 inner wall on be equipped with the first stomata for being connected with air-channel system.It is available The first stomata connected with air-channel system is depressurized or is pressurizeed to the second annular seal space 110, the 4th annular seal space 130, or to second Annular seal space 110, the 4th annular seal space 130 are passed through a certain amount of gas or steam, for forming concentration difference, convenient test.
In the present embodiment, air-channel system is used to make test sample 10 and 20 both sides of standard sample form pressure differential.
Side of the lid 200 away from the first groove 220 is examined to be equipped with the second stomata connected with the first groove 220, contrast lid Side of the body 300 away from the 3rd groove is equipped with the 3rd stomata that connect with the 3rd groove, the second stomata and the 3rd stomata be used to and Test system connectivity.Second stomata also can carry out pressure or decompression to first annular seal space 210, or be passed through a certain amount of gas or water Vapour, the 3rd stomata can carry out pressure or decompression to the 3rd annular seal space 310, or be passed through a certain amount of gas or steam, make test specimens Product 10 or 20 both sides of standard sample form pressure difference.
In the present embodiment, test system is mainly used in testing, and measurement passes through test sample 10 or standard sample 20 Gas flow, the barrier of test sample 10 and standard sample 20 is determined with this.
Specifically, special gas are equipped with 210 and the 3rd annular seal space 310 of first annular seal space, it is special that test system can detect The amount of gas reduction, to obtain the barrier of test sample 10 and standard sample 20.
Alternatively, matrix 100 can use metal, ceramics, plastic or other material.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of permeability test device, it is characterised in that including matrix, examine lid and contrast lid, the inspection lid It is used for holding test samples with described matrix, it is described to examine lid to be equipped with to be used to surround the of first annular seal space with test sample One groove, described matrix are equipped with the second groove for being used for that the second annular seal space to be surrounded with test sample, first groove and described second Groove is oppositely arranged, and the contrast lid is used to clamp standard sample with described matrix, and the contrast lid, which is equipped with, to be used for and mark Quasi- sample surrounds the 3rd groove of the 3rd annular seal space, and described matrix, which is equipped with, to be used to surround the 4th of the 4th annular seal space with standard sample Groove, the 3rd groove are oppositely arranged with the 4th groove.
2. permeability test device according to claim 1, it is characterised in that pressing assembly is further included, it is described to examine lid Mating groove is equipped with body, the side of the contrast lid away from described matrix, the mating groove is matched with the pressing assembly.
3. permeability test device according to claim 1, it is characterised in that the quantity of the inspection lid is at least three It is a, it is described to examine the quantity of lid and the quantity of second groove to be correspondingly arranged.
4. permeability test device according to claim 3, it is characterised in that the outer surface of described matrix includes the first side Face, second side, the 3rd side and the 4th side, are all provided with the first side, the second side and the 3rd side There is second groove, the 4th side is equipped with the 4th groove.
5. permeability test device according to claim 4, it is characterised in that described matrix is hexahedron, described first Side, the second side, the 3rd side and the 4th side are four faces adjacent in described matrix.
6. permeability test device according to claim 4, it is characterised in that the endface of second groove is used to be bonded Test sample, the endface of the 4th groove are used to be bonded standard sample.
7. permeability test device according to claim 2, it is characterised in that the mating groove is bar-shaped trough, described to match somebody with somebody The middle part for closing groove is circular trough.
8. according to claim 1-7 any one of them permeability test devices, it is characterised in that further include the first sealing ring and Second sealing ring, it is described to examine lid to be equipped with the first installation coordinated with first sealing ring close to the side of described matrix Groove, first mounting groove are set around first groove, and the contrast lid is equipped with and institute close to the side of described matrix The second mounting groove of the second sealing ring cooperation is stated, second mounting groove is set around the 3rd groove.
9. according to claim 1-7 any one of them permeability test devices, it is characterised in that second groove, described The first stomata for being connected with air-channel system is equipped with the inner wall of four grooves.
10. according to claim 1-7 any one of them permeability test devices, it is characterised in that the inspection lid is remote The side of first groove is equipped with the second stomata connected with first groove, and the contrast lid is away from the 3rd groove Side is equipped with the 3rd stomata connected with the 3rd groove, and second stomata is used to testing system with the 3rd stomata System connection.
CN201721305443.7U 2017-10-10 2017-10-10 Permeability test device Active CN207231977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721305443.7U CN207231977U (en) 2017-10-10 2017-10-10 Permeability test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721305443.7U CN207231977U (en) 2017-10-10 2017-10-10 Permeability test device

Publications (1)

Publication Number Publication Date
CN207231977U true CN207231977U (en) 2018-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721305443.7U Active CN207231977U (en) 2017-10-10 2017-10-10 Permeability test device

Country Status (1)

Country Link
CN (1) CN207231977U (en)

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