CN203191274U - Film air-permeability tester - Google Patents

Film air-permeability tester Download PDF

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Publication number
CN203191274U
CN203191274U CN 201320154988 CN201320154988U CN203191274U CN 203191274 U CN203191274 U CN 203191274U CN 201320154988 CN201320154988 CN 201320154988 CN 201320154988 U CN201320154988 U CN 201320154988U CN 203191274 U CN203191274 U CN 203191274U
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CN
China
Prior art keywords
cup
described
sample
vacuum
film
Prior art date
Application number
CN 201320154988
Other languages
Chinese (zh)
Inventor
吴明忠
吴春锋
张俊杰
刘华
刘明建
黄依凡
王勇
唐海波
Original Assignee
海宁长宇镀铝材料有限公司
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Application filed by 海宁长宇镀铝材料有限公司 filed Critical 海宁长宇镀铝材料有限公司
Priority to CN 201320154988 priority Critical patent/CN203191274U/en
Application granted granted Critical
Publication of CN203191274U publication Critical patent/CN203191274U/en

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Abstract

The utility model provides a film air-permeability tester which solves the problem that the testing data are inaccurate as the conventional air-permeability tester is poor in sealing capability. The tester comprises a gas sample cup, a vacuum cup and a circular sample plate, the edge of the lower opening of the vacuum cup is connected with the edge of the upper opening of the gas sample cup through bolts and nuts; a gas inlet and a gas pressure gauge opening I are formed in the side wall of the gas sample cup; a vacuumizing port and a gas pressure gauge opening II are formed in the side wall of the vacuum cup; a through air hole is formed in the sample plate; the bottom side surface of the sample plate is a mounting surface on which a film to be tested is arranged; a sealing ring I capable of sealing and clamping the film to be tested is arranged on the contact surface between the sample plate and the gas sample cup; a sealing ring II is sleeved outside the edge of the sample plate; the thickness of the sealing ring II is greater than that of the sample plate. With the cooperation of a plurality of sealing rings, the sealing capability among the sample plate, the gas sample cup and the vacuum cup is ensured; the film air-permeability tester is good in sealing capability and the testing data is accurate.

Description

A kind of film air permeability tester

Technical field

The utility model relates to a kind of material ventilation property test device, particularly a kind of film air permeability tester.

Background technology

Select for various application to pack, in the method for agricultural and electronic material etc., the gas penetration potential of measurement gas such as oxygen, carbon dioxide or similar gas usually.Situation for the fruits and vegetables based packaging material, the speed that sees through as oxygen is very important for the fruits and vegetables quality maintenance, reason is that it is directly influencing packed article aspect the change of the oxidation of composition, tone, color and taste, and Here it is needs the reason of the gas penetration potential of measurement gas such as oxygen or similar gas when where selecting wrappage.Prior art adopts the gas permeation rate method of testing usually in measuring the gas penetration potential infiltration rates of gas to plastic sheeting, thin slice etc. such as oxygen, carbon dioxide.But existing common equipment sealing is not high, causes test result can not accurately reflect the gas penetration potential of film, influences promoting the use of of film.

Peculiar summary of the invention

The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of film air permeability tester, its good airproof performance, and test data is accurate.

The purpose of this utility model can realize by following technical proposal: a kind of film air permeability tester, it is characterized in that, the gaseous sample cup that comprises cylindrical cup-shaped, inverted cylindrical cup-shaped vacuum cup and be folded in circular sample plate between gaseous sample cup and the vacuum cup, the end opening of described vacuum cup is connected by screw bolt and nut with the upper edge edge of gaseous sample cup along the edge, the sidewall of described gaseous sample cup is provided with gas feed and gas gauge opening one, the sidewall of described vacuum cup is provided with vacuum orifice and gas gauge opening two, described sample panel is provided with the bleeder vent that runs through, the bottom side of sample panel is for being used for installing the installed surface of film to be measured, surface of contact between sample panel and the gaseous sample cup is provided with the O-ring seal one that can seal clamping film to be measured, described sample panel edge outer cover is provided with O-ring seal two, and the thickness of O-ring seal two is greater than the thickness of sample panel.

The utility model presss from both sides between gaseous sample cup and vacuum cup establishes sample panel, easy for installation, O-ring seal one guarantees sample panel and the sealing of gaseous sample cup simultaneously, and the O-ring seal two that the sample panel edge arranges guarantees the sealing of sample panel and gaseous sample cup and vacuum cup, makes test data more accurate.

In above-mentioned film air permeability tester, the upper edge inwall of described gaseous sample cup has annular notch one, the end opening of described vacuum cup has the annular notch two that matches with above-mentioned annular notch one along inwall, and described sample panel is arranged between annular notch one and the annular notch two.

In above-mentioned film air permeability tester, the surface of contact between described gaseous sample cup and the vacuum cup is provided with O-ring seal three.The sealing that O-ring seal three guarantees between gaseous sample cup and the vacuum cup.

In above-mentioned film air permeability tester, the ratio of the gentle body sample cup of cavity volume volume of described vacuum cup is 1:3.The cavity volume of vacuum cup is less can to guarantee more true and accurate of data.

In above-mentioned film air permeability tester, be connected with baroceptor one on the described gas gauge opening one, be connected with vacuum meter and vacuum pump on the described vacuum orifice, be connected with baroceptor two on the described gas gauge opening two.

In above-mentioned film air permeability tester, described gas feed has been provided with High-pressure air valve.High-pressure air valve guarantees the sealing of gas feed place.

Compared with prior art, the utlity model has following advantage: use the high sensitivity baroceptor, detect the air pressure change of gaseous sample cup and vacuum cup respectively, can reach the effect that detects the film permeation rate, in addition owing to gaseous sample cup and vacuum cup to the film both sides all carry out the pressure measuring and calculating, can get rid of gas sample to result's influence when data are handled, test result has more authenticity.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Among the figure, 1, the gaseous sample cup; 1a, upper edge; 1a1, annular notch one; 1b, gas feed; 1c, gas gauge opening one; 2, vacuum cup; 2a, end opening edge; 2a1, annular notch two; 2b, vacuum orifice; 2c, gas gauge opening two; 3, sample panel; 3a, bleeder vent; 4, film to be measured; 5, O-ring seal one; 6, O-ring seal two; 7, O-ring seal three; 8, High-pressure air valve; 9, baroceptor one; 10, baroceptor two; 11, vacuum meter; 12, vacuum pump; 13, bolt; 14, nut.

Embodiment

Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

With reference to Fig. 1, present embodiment is a kind of film air permeability tester, comprise gaseous sample cup 1, the inverted cylindrical cup-shaped vacuum cup 2 of cylindrical cup-shaped and be folded in gaseous sample cup 1 and vacuum cup 2 between circular sample plate 3, the center of sample panel 3 is provided with the bleeder vent 3a that runs through, sealing is provided with film 4 to be measured on sample panel 3 bottom sides, and the end opening of vacuum cup 2 is connected with nut 14 by bolt 13 with the upper edge 1a edge of gaseous sample cup 1 along the 2a edge.

The upper edge 1a inwall of gaseous sample cup 1 has annular notch one 1a1, the end opening of vacuum cup 2 has annular notch two 2a1 that match with annular notch one 1a1 along the 2a inwall, annular notch two 2a1 and annular notch one 1a1's is measure-alike, and be slightly larger than the size of sample panel 3, sample panel 3 is arranged between annular notch one 1a1 and annular notch two 2a1, surface of contact between sample panel 3 and the gaseous sample cup 1 is provided with the O-ring seal 1 that can seal clamping film 4 to be measured, sample panel 3 edge outer cover are provided with O-ring seal 26, the thickness of O-ring seal 26 is greater than the thickness of sample panel 3, and be slightly less than the degree of depth sum of annular notch one 1a1 and annular notch two 2a1, behind gaseous sample cup 1 and vacuum cup 2 fastenings, O-ring seal 26 is squeezed, and can guarantee sample panel 3 and gas sample cup 1 and vacuum cup 2 threes' sealing.Surface of contact between gaseous sample cup 1 and the vacuum cup 2 is provided with O-ring seal 37, and sealing circle 37 is positioned at the outside of sample panel 3 and the inside of bolt 13.

The sidewall of gaseous sample cup 1 is provided with gas feed 1b and gas gauge opening one 1c, and gas feed 1b has been provided with High-pressure air valve 8, is connected with baroceptor 1 on gas gauge opening one 1c.The sidewall of vacuum cup 2 is provided with vacuum orifice 2b and gas gauge opening two 2c, is connected with vacuum meter 11 and vacuum pump 12 on the vacuum orifice 2b, is connected with baroceptor 2 10 on gas gauge opening two 2c.

Present embodiment is in order to guarantee the accuracy of measurement data, and the ratio of the gentle body sample cup 1 of cavity volume volume of vacuum cup 2 is set to 1:3.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used gaseous sample cup 1, upper edge 1a, annular notch one 1a1, gas feed 1b, gas gauge opening one 1c, vacuum cup 2, end opening along terms such as 2a, annular notch two 2a1, vacuum orifice 2b, gas gauge opening two 2c, sample panel 3, bleeder vent 3a, film to be measured 4, O-ring seal 1, O-ring seal 26, O-ring seal 37, High-pressure air valve 8, baroceptor 1, baroceptor 2 10, vacuum meter 11, vacuum pump 12, bolt 13, nuts 14 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims (6)

1. film air permeability tester, it is characterized in that, the gaseous sample cup (1) that comprises cylindrical cup-shaped, inverted cylindrical cup-shaped vacuum cup (2) and be folded in gaseous sample cup (1) and vacuum cup (2) between circular sample plate (3), the end opening of described vacuum cup (2) is connected with nut (14) by bolt (13) with upper edge (1a) edge of gaseous sample cup (1) along (2a) edge, the sidewall of described gaseous sample cup (1) is provided with gas feed (1b) and gas gauge opening one (1c), the sidewall of described vacuum cup (2) is provided with vacuum orifice (2b) and gas gauge opening two (2c), described sample panel (3) is provided with the bleeder vent (3a) that runs through, the bottom side of sample panel (3) is for being used for installing the installed surface of film to be measured (4), surface of contact between sample panel (3) and the gaseous sample cup (1) is provided with the O-ring seal one (5) that can seal clamping film to be measured (4), described sample panel (3) edge outer cover is provided with O-ring seal two (6), and the thickness of O-ring seal two (6) is greater than the thickness of sample panel (3).
2. film air permeability tester according to claim 1, it is characterized in that, upper edge (1a) inwall of described gaseous sample cup (1) has annular notch one (1a1), the end opening of described vacuum cup (2) has the annular notch two (2a1) that matches with above-mentioned annular notch one (1a1) along (2a) inwall, and described sample panel (3) is arranged between annular notch one (1a1) and the annular notch two (2a1).
3. film air permeability tester according to claim 2 is characterized in that, the surface of contact between described gaseous sample cup (1) and the vacuum cup (2) is provided with O-ring seal three (7).
4. according to claim 1 or 2 or 3 described film air permeability testers, it is characterized in that the ratio of the gentle body sample cup of the cavity volume volume of described vacuum cup (2) (1) is 1:3.
5. film air permeability tester according to claim 1, it is characterized in that, be connected with baroceptor one (9) on the described gas gauge opening one (1c), be connected with vacuum meter (11) and vacuum pump (12) on the described vacuum orifice (2b), be connected with baroceptor two (10) on the described gas gauge opening two (2c).
6. film air permeability tester according to claim 1 or 5 is characterized in that described gas feed (1b) has been provided with High-pressure air valve (8).
CN 201320154988 2013-03-29 2013-03-29 Film air-permeability tester CN203191274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320154988 CN203191274U (en) 2013-03-29 2013-03-29 Film air-permeability tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320154988 CN203191274U (en) 2013-03-29 2013-03-29 Film air-permeability tester

Publications (1)

Publication Number Publication Date
CN203191274U true CN203191274U (en) 2013-09-11

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CN 201320154988 CN203191274U (en) 2013-03-29 2013-03-29 Film air-permeability tester

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104020093A (en) * 2014-05-20 2014-09-03 中国科学院金属研究所 Method and device for measuring air permeability of battery diaphragm
CN104792681A (en) * 2015-04-10 2015-07-22 山东大学 Device for detecting and comparing performance of filters as well as detection method
CN105547956A (en) * 2015-12-10 2016-05-04 电子科技大学 Device and method for measuring gas permeability of thin film by using vacuometer
CN106979915A (en) * 2016-01-15 2017-07-25 张家港康得新光电材料有限公司 The test device and method of testing of Obstruct membrane vapour lock performance
CN106979916A (en) * 2016-01-15 2017-07-25 张家港康得新光电材料有限公司 The test device of water vapor rejection film
CN108051352A (en) * 2017-12-08 2018-05-18 成都迈德克科技有限公司 A kind of bandage device for checking air permeability and method
CN108279198A (en) * 2017-12-18 2018-07-13 广州番禺职业技术学院 A kind of packaging material gas permeability detection method based on pressure differential method
CN108295665A (en) * 2017-12-14 2018-07-20 洛阳双瑞风电叶片有限公司 A kind of device and method of quantitative assessment flexibility semi-permeable membrane gas permeability

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104020093A (en) * 2014-05-20 2014-09-03 中国科学院金属研究所 Method and device for measuring air permeability of battery diaphragm
CN104792681A (en) * 2015-04-10 2015-07-22 山东大学 Device for detecting and comparing performance of filters as well as detection method
CN104792681B (en) * 2015-04-10 2017-05-10 山东大学 Device for detecting and comparing performance of filters as well as detection method
CN105547956A (en) * 2015-12-10 2016-05-04 电子科技大学 Device and method for measuring gas permeability of thin film by using vacuometer
CN105547956B (en) * 2015-12-10 2019-05-24 电子科技大学 A kind of device and method of vacuum meter measurement film gas permeability
CN106979915A (en) * 2016-01-15 2017-07-25 张家港康得新光电材料有限公司 The test device and method of testing of Obstruct membrane vapour lock performance
CN106979916A (en) * 2016-01-15 2017-07-25 张家港康得新光电材料有限公司 The test device of water vapor rejection film
CN108051352A (en) * 2017-12-08 2018-05-18 成都迈德克科技有限公司 A kind of bandage device for checking air permeability and method
CN108295665A (en) * 2017-12-14 2018-07-20 洛阳双瑞风电叶片有限公司 A kind of device and method of quantitative assessment flexibility semi-permeable membrane gas permeability
CN108295665B (en) * 2017-12-14 2020-04-14 洛阳双瑞风电叶片有限公司 Device and method for quantitatively evaluating gas permeability of flexible semipermeable membrane
CN108279198A (en) * 2017-12-18 2018-07-13 广州番禺职业技术学院 A kind of packaging material gas permeability detection method based on pressure differential method

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130911

Termination date: 20140329