WO2015005561A1 - 에어 마이크로미터 - Google Patents
에어 마이크로미터 Download PDFInfo
- Publication number
- WO2015005561A1 WO2015005561A1 PCT/KR2014/001724 KR2014001724W WO2015005561A1 WO 2015005561 A1 WO2015005561 A1 WO 2015005561A1 KR 2014001724 W KR2014001724 W KR 2014001724W WO 2015005561 A1 WO2015005561 A1 WO 2015005561A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air
- receiving slot
- measured
- ceiling surface
- packaging material
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/02—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
- G01B13/06—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness for measuring thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to an air micrometer, and more particularly, to an air micrometer having a high speed of thickness measurement, high repeatability and accuracy.
- a lithium secondary battery may cause an explosion of the battery due to high temperature and high pressure inside the battery, which may be caused by abnormal operating conditions of the battery such as internal short circuit, overcharge, exposure to high temperature, dropping, or the like. . Therefore, one of the main tasks in such a secondary battery is to improve the safety of the battery.
- the thickness measurement of the polymer battery packaging material 103 and the sealing portion 105 of the polymer battery packaging material is necessary in the manufacturing process of the pouch-type lithium ion polymer battery 101 (see the structure of the lithium ion polymer battery. See FIG. 2). If the thickness of the polymer battery packaging material 103 is out of an allowable range or more, a problem of a product or a decrease in uniformity may occur, and this may cause a problem such as poor assemblability. Furthermore, there is a greater risk of battery explosion that can occur in abnormal operating conditions of the battery as mentioned above.
- the sealing portion 105 (hereinafter referred to as the 'sealing portion') of the polymer battery packaging material is outside the allowable range, it means that the sealing portion 105 is defective.
- the sealing unit 105 is defective, moisture in the air easily penetrates into the battery, thereby degrading the performance of the battery and deteriorating the long-term storage stability of the battery such as corrosion of the battery. Therefore, it is necessary to measure the thickness of the polymer battery packaging material 103 and the sealing portion 105 to screen defective products and investigate the defective rate.
- the measurement of the thickness of the polymer battery packaging material 103 and the sealing portion 105 was performed by hand using a contact micrometer.
- the contact micrometer is used in this way, there is a problem that the measurement speed is slow, and the reproducibility of the measurement is inferior.
- the trace of the measurement remains on the measurement object, and the accuracy of the measurement is inferior.
- the present invention has been made to solve the above problems, the problem of the present invention, when measuring the thickness of the polymer battery packaging material and the sealing object to be measured, the measurement speed is fast, the reproducibility of the measurement is excellent and efficient,
- the present invention provides an air micrometer capable of determining the thickness distribution of the polymer battery packaging material and the sealing portion, which is an object to be measured on a specific line or a specific surface, without leaving a trace of the measurement.
- An air micrometer device includes a polymer cell packaging material or a sealing part of a polymer battery packaging material, and includes a bottom surface and a ceiling surface to receive at least a portion of an object to be measured between the bottom surface and the ceiling surface. And an air ejection unit having a water receiving slot and a nozzle opened in the bottom surface or the ceiling surface to inject air toward the object to be received received between the bottom surface and the ceiling surface.
- the air micrometer according to the present invention includes a measuring object accommodating slot and an air ejection unit suitable for measuring the thickness of a sealing material of a polymer battery packaging material to be measured, and thus the measurement speed is high, the reproducibility of the measurement is excellent and efficient, No trace of the measurement is left, and the accuracy of the measurement is excellent, and the thickness distribution of the polymer battery packaging material and the sealing portion, which is the object to be measured on a specific line or a specific surface, can be grasped.
- FIG. 1 is a conceptual diagram showing the principle of an air micrometer (or air gauge)
- FIG. 2 is a perspective view of an air micrometer according to Embodiment 1 of the present invention.
- FIG. 3 is an enlarged perspective view of an object injection slot and an air injection unit included in the air micrometer shown in FIG. 2;
- FIG. 4 is a plan view of the object receiving slot and the air injection unit provided in the air micrometer shown in FIG.
- FIG. 5 is a right side view of the object receiving slot and the air injection unit provided in the air micrometer shown in FIG. 2; FIG.
- FIG. 6 is a cross-sectional view taken along the line A-A of FIG.
- FIG. 7 is a cross-sectional view taken along line B-B of FIG.
- FIG. 8 is a perspective view of a partial configuration of a second embodiment of the present invention.
- FIGS. 8E-E are cross-sectional views according to FIGS. 8E-E
- FIG. 10 is a perspective view of an air micrometer according to Embodiment 3 of the present invention.
- FIG. 11 is a cross-sectional view taken along the line C-C of FIG.
- FIG. 12 is a cross-sectional view taken along the line D-D of FIG. 10.
- FIG. 1 is a conceptual diagram illustrating the principle of an air micrometer (or air gauge).
- 2 is a perspective view of an air micrometer according to Embodiment 1 of the present invention.
- FIG. 3 is an enlarged perspective view of an object receiving slot and an air injection unit included in the air micrometer shown in FIG. 2.
- FIG. 4 is a plan view of an object receiving slot and an air injection unit provided in the air micrometer shown in FIG. 2.
- FIG. 5 is a right side view of the object receiving slot and the air injection unit included in the air micrometer shown in FIG. 2.
- 6 is a cross-sectional view taken along line AA of FIG. 3.
- 7 is a cross-sectional view taken along line B-B of FIG. 3.
- an air micrometer according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 to 7.
- An air micrometer is a comparator which changes the dimension change into the change of the flow volume and pressure of air, and measures and measures the flow volume and pressure change amount. 1 shows a typical air micrometer (or air gauge).
- Air is blown through the nozzle D by maintaining a constant pressure P with a hydrostatic pressure control device using a water tank and entering the direction chamber C through a small hole B having a diameter of about 1 mm.
- a hydrostatic pressure control device using a water tank and entering the direction chamber C through a small hole B having a diameter of about 1 mm.
- FIG. 2 shows a schematic diagram of a pouch-type lithium ion polymer battery 101 and shows a packaging material 103 and a sealing portion 105 of the polymer battery. Also shown in FIG. 2 is an air micrometer 110 for measuring the thickness of the packaging material 103 and the sealing portion 105 of the polymer battery.
- the air micrometer 110 includes an object receiving slot 130, an air injection unit 140, and an air micrometer body 150.
- 3 is an enlarged perspective view illustrating only a portion of the object receiving slot 130 and the air injection unit 140 in the air micrometer 110.
- the object receiving slot 130 includes a bottom surface 131 and a ceiling surface 133.
- the battery packaging material 103 or the sealing part 105 which is the object to be measured, is inserted between the bottom surface 131 and the ceiling surface 133 of the object receiving slot 130.
- the lower surface facing the object to be measured is the bottom surface 131
- the upper surface facing the object to be measured is the ceiling surface 133.
- the air injection unit 140 includes a nozzle 141 which is opened on the bottom surface 131 or the ceiling surface 133, and the air from the air micrometer body 150 passes through the nozzle 141. It is injected to the thickness measurement position of the polymer battery packaging material 103 or sealing part 105 which is a to-be-measured object. As shown in FIG. 6, in the first embodiment, the nozzle 141 is formed on the ceiling surface 133. The pressure generated from the injected air is input to the air micrometer body 150. Through the input pressure value, the air micrometer body 150 may measure the thickness of the polymer battery packaging material 103 or the sealing part 105 which is the object to be measured.
- Measuring the thickness of the part 105 has the following advantages compared to directly measuring by the operator's hand using a contact micrometer.
- the measurement speed is slow and the reproducibility of the measurement becomes inefficient.
- the air micrometer 110 of the present invention the polymer battery packaging material 103 or the sealing part 105 as the object to be measured is used.
- the measurement speed is high because the thickness can be measured simply by inserting the product into the object receiving slot 130. Since air of the same pressure is always injected through the nozzle to the surface of the object to be measured, the reproducibility of the measurement is very excellent. . In this case, it becomes possible to measure the dimension by fully inspecting the manufactured product.
- the air micrometer 110 can measure the thickness continuously, it is possible to grasp the thickness distribution of the polymer battery packaging material 103 and the sealing portion 105 to be measured on a specific line or a specific surface. .
- FIG. 7 is a cross-sectional view illustrating a state in which the upper block 161 including the ceiling surface 133 and the lower block 163 including the bottom surface 131 are coupled by a screwing method.
- the object to be measured receiving slot 130 is partitioned by combining the upper block 161 and the lower block 163 which are separate members, and the object to be measured receiving slot 130 is formed in one member. It has the following advantages over the type.
- the upper block 161 and the lower block 163 can be repaired after disassembly, which is much easier to repair.
- the upper block 161 or the lower block 163 may be provided in various types to be used interchangeably. In this case, the upper block 161 or the lower block 163, which is most suitable for measuring the dimensions of a specific product, may be replaced.
- FIG. 7 illustrates the upper block 161 and the lower block 163 assembled by screw coupling
- the present invention is not only a case where the upper block 161 and the lower block 163 are integrally manufactured, but also a rivet coupling and the like. Of course, it is assumed that all of the cases are joined using a coupling means other than a screw.
- FIGS. 8 and 9 are perspective views of a partial configuration of a second embodiment of the present invention.
- 9 is a cross-sectional view according to FIGS. 8E-E.
- the air micrometer according to the present embodiment has a configuration similar to the air micrometer 110 according to the first embodiment described above.
- the second embodiment is different in that it further includes a guide rod 210 that can adjust the interval between the measurement object receiving slot 130.
- the same (or equivalent) parts with the same (or equivalent) parts as those described above will be given the same reference numerals, and detailed description thereof will be omitted.
- an air micrometer according to Embodiment 2 of the present invention will be described with reference to FIGS. 8 and 9.
- the spacing between the slots may be adjusted using the height adjusting device 230 including the guide rod 210.
- Two holes are formed through the upper block 201 including the ceiling surface 133 and the lower block 203 including the bottom surface 131, and the guide rod 210 passes through the holes. Through this, the upper block 201 and the lower block 203 is slidably coupled to the guide rod 210.
- the upper block 201 and the lower block 203 are moved along the guide rod 210 in a direction closer or farther away from each other, so that the upper block 201 and the lower block 203 are spaced at appropriate intervals, and then the screw ( By tightening 211, the gap between the upper block 201 and the lower block 203 may be fixed.
- the upper block 201 and the lower block 203 are described as being movable along the guide rod 210 as an example, any one of the upper block 201 and the lower block 203 is described. It is assumed that the relative position is fixed to the guide rod 210, and only one other block is movable along the guide rod 210.
- the upper block 201 and the lower block 203 can be moved and fixed by the necessary intervals as described above, the upper block 201 and the lower block 203 have various thicknesses even if they are not necessarily replaced.
- An air micrometer capable of measuring the thickness of an object to be measured can be implemented.
- FIG. 10 is a perspective view of an air micrometer according to Embodiment 3 of the present invention.
- FIG. 11 is a cross-sectional view taken along line C-C of FIG. 10.
- 12 is a cross-sectional view taken along line D-D of FIG. 10.
- the same (or equivalent) parts with the same (or equivalent) parts as those described above will be given the same reference numerals, and detailed description thereof will be omitted.
- an air micrometer according to Embodiment 3 of the present invention will be described with reference to FIGS. 10 to 12.
- the air micrometer 300 includes sidewalls 370 for limiting lateral fluctuations of the polymer battery packaging material 103 and the sealing part 105, which are the object to be inserted into the object receiving slot 330. It may further include. Due to the unstable motion of the human being, the polymer cell packaging material 103 and the sealing part 105, which are measured objects, may move left and right, and the side wall part 370 may prevent the same to allow accurate thickness measurement.
- a plurality of nozzles 341 opened in the bottom surface 331 or the ceiling surface 333 may be provided.
- three nozzles 341 are provided on the ceiling surface.
- nozzles 341 are provided on both the ceiling surface 333 and the bottom surface 331, air may be injected to the object to be measured to be opposite to each other, and thus the object to be measured may not have a stable position. Large errors can occur when measuring thickness. Therefore, it is preferable that a plurality of nozzles 341 are provided only on the bottom surface 331 or a plurality of nozzles only on the ceiling surface 333.
- the thicknesses of the polymer battery packaging material 103 and the sealing part 105 can be measured simultaneously in two or more places. It can also shorten the measurement time.
- the air micrometer 300 further includes a guide portion 361 having an inclined surface 360 extending outwardly from an end of the ceiling surface 333. .
- the guide part 361 is a means for allowing the polymer cell packaging material 103 or the sealing part 105, which is the object to be measured, to be more easily and quickly inserted into the object receiving slot 330. Since the inlet 363 of the guide portion 361 is wider than the interval between the object receiving slots 330, the polymer cell package 103 and the sealing portion 105 to be measured easily enter the guide portion 361. Thereafter, the object to be measured is guided by the guide part 361 and enters into the object receiving slot 330, thereby making it easier to insert the object into the object receiving slot 330.
- the guide portion 361 having only the inclined surface 360 extending toward the outside from the end of the ceiling surface 333 is illustrated.
- the guide portion may include an inclined surface extending downwardly from the end of the bottom surface 331.
- the guide part 361 may include both an inclined surface 360 extending outwardly from an end of the ceiling surface 333 and an inclined surface extending outwardly from an end of the bottom surface 331.
- the ceiling surface 333 and the bottom surface 331 of the object receiving slot 330 may be formed in parallel with each other so as to prevent an error from occurring during the thickness measurement.
- the air micrometer 300 may further include a cylindrical roller 380 in at least a portion of the inclined surface 360 included in the guide part 361.
- the roller may have other shapes such as spherical shape in addition to this.
- the role of the guide part 361 is to guide the polymer cell packaging material 103 and the sealing part 105 to be measured so that the object to be measured can be more easily inserted into the object receiving slot 330.
- the roller 380 serves as an assistant of the guide part 361. That is, due to the roller 380, the object to be measured may be guided to the object receiving slot 330 more smoothly and quickly.
- the roller 380 may be installed at the inlet portion 381 of the object receiving slot 330 as well as a portion of the inclined surface 360 included in the guide 361. In this case, the roller 380 makes the object to be moved more smoothly in the object receiving slot 330.
- the air micrometer 300 which measures the thicknesses of the polymer battery packaging material 103 and the sealing portion 105, which is the object to be measured, is inserted into the object receiving slot 330 of the object to be measured.
- the stopper 390 may further include an insertion depth. As shown in FIG. 11, the stopper 390 is provided inside the object receiving slot 330.
- the stopper 390 extends from the ceiling surface 333 or the bottom surface 331 of the object receiving slot 330.
- the stopper may have a pillar shape or a partition wall connecting the ceiling surface 333 or the bottom surface 331 to each other.
- the object to be inserted into the object receiving slot 330 is blocked by the stopper 390 so that it is not inserted into the object receiving slot 330 deeper.
- the measurement target portion on the measurement target object can be quickly arranged at a position corresponding to the nozzle 341, and as a result, the thickness of the measurement target portion can be quickly measured.
- the inner partition wall 190 in the measured object receiving slot 130 formed by the upper block 161 and the lower block 163 of Embodiment 1 also inserts the measured object more than a predetermined depth.
- the inner partition 190 of Embodiment 1 also performs a kind of stopper.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Abstract
Description
Claims (8)
- 피측정물에 분사되는 공기의 압력 변화를 이용하여 상기 피측정물의 두께를 측정하는 에어 마이크로미터에 있어서,상기 에어 마이크로 미터는 폴리머 전지 포장재 또는 폴리머 전지 포장재의 실링부를 피측정물로 하며,바닥면과 천장면을 구비하여, 상기 바닥면 천장면 사이에 상기 피측정물의 적어도 일부 영역을 수용하는 피측정물 수용 슬롯; 및상기 바닥면과 천장면 사이에 수용된 상기 피측정물을 향하여 공기를 분사할 수 있도록 상기 바닥면 또는 천장면에 개구되어 있는 노즐을 갖는 공기 분사 유닛;을 포함하는 에어 마이크로미터.
- 청구항 1에 있어서,상기 바닥면과 상기 천장면 사이의 간격 조절이 가능한 것을 특징으로 하는 에어 마이크로미터.
- 청구항 1에 있어서,상기 바닥면과 상기 천장면 사이의 간격 조절을 위한 가이드 봉을 더 구비하며,상기 바닥면을 갖는 하부 블록 및 상기 천장면을 갖는 상부 블록 중 적어도 어느 하나의 블록은 다른 블록을 향하여 가까워지거나 멀어지는 방향으로 이동할 수 있도록 상기 가이드 봉에 슬라이딩 가능하게 결합된 것을 특징으로 하는 에어 마이크로 미터.
- 청구항 1에 있어서,상기 피측정물 수용 슬롯에 수용된 상기 피측정물을 측면에서 지지하여 횡방향 요동을 제한하는 적어도 하나의 측벽부를 더 포함하는 것을 특징으로 하는 에어 마이크로미터.
- 청구항 1에 있어서,상기 노즐은 상기 바닥면에만 복수 개 구비되거나 또는 상기 천장면에만 복수 개 구비되는 것을 특징으로 하는 에어 마이크로미터.
- 청구항 1에 있어서,상기 천장면의 단부로부터 외측 상방을 향하여 연장되는 경사면 및 상기 바닥면의 단부로부터 외측 하방을 향하여 연장되는 경사면 중 적어도 어느 하나의 경사면을 갖는 가이드부를 더 포함하는 에어 마이크로미터.
- 청구항 5에 있어서,상기 경사면의 적어도 일부 구간 또는 상기 피측정물 수용 슬롯의 입구부에 설치된 구형 또는 원통형의 롤러(roller)를 더 구비한 것을 특징으로 하는 에어 마이크로미터.
- 청구항 1에 있어서,상기 피측정물 수용 슬롯의 내부에 형성되어 상기 피측정물의 피측정물 수용 슬롯에의 삽입 깊이를 제한하는 스토퍼를 더 포함하는 것을 특징으로 하는 에어 마이크로미터.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14729846.7A EP2846130B1 (en) | 2013-07-11 | 2014-03-03 | Air micrometer |
JP2015526486A JP5941221B2 (ja) | 2013-07-11 | 2014-03-03 | エアマイクロメータ |
CN201480000534.2A CN104603572B (zh) | 2013-07-11 | 2014-03-03 | 空气测微计 |
US14/302,965 US9482523B2 (en) | 2013-07-11 | 2014-06-12 | Air micrometer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20130081739A KR20150007578A (ko) | 2013-07-11 | 2013-07-11 | 에어 마이크로미터 |
KR10-2013-0081739 | 2013-07-11 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/302,965 Continuation US9482523B2 (en) | 2013-07-11 | 2014-06-12 | Air micrometer |
Publications (1)
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WO2015005561A1 true WO2015005561A1 (ko) | 2015-01-15 |
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PCT/KR2014/001724 WO2015005561A1 (ko) | 2013-07-11 | 2014-03-03 | 에어 마이크로미터 |
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EP (1) | EP2846130B1 (ko) |
JP (1) | JP5941221B2 (ko) |
KR (1) | KR20150007578A (ko) |
CN (1) | CN104603572B (ko) |
TW (1) | TWI498523B (ko) |
WO (1) | WO2015005561A1 (ko) |
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CN108253864A (zh) * | 2018-04-12 | 2018-07-06 | 天津市康利兴检测设备厂 | 一种曲面玻璃检测装置 |
KR20240048914A (ko) | 2022-10-07 | 2024-04-16 | (주)에스앤제이컴퍼니 | 공압을 이용한 거리 측정 시스템 |
KR20240048925A (ko) | 2022-10-07 | 2024-04-16 | (주)에스앤제이컴퍼니 | 인공지능을 이용한 비접촉식 거리 측정 시스템 |
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2014
- 2014-03-03 EP EP14729846.7A patent/EP2846130B1/en active Active
- 2014-03-03 CN CN201480000534.2A patent/CN104603572B/zh active Active
- 2014-03-03 JP JP2015526486A patent/JP5941221B2/ja active Active
- 2014-03-03 WO PCT/KR2014/001724 patent/WO2015005561A1/ko active Application Filing
- 2014-06-17 TW TW103120845A patent/TWI498523B/zh active
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JPS61262609A (ja) * | 1985-05-17 | 1986-11-20 | Hitachi Ltd | 寸法測定装置 |
KR100467210B1 (ko) * | 2002-03-16 | 2005-01-24 | 텔스타엔지니어링 주식회사 | 분사공기 개폐수단을 구비한 공기마이크로미터용 측정헤드 |
KR100612743B1 (ko) * | 2005-04-14 | 2006-08-22 | 김영옥 | 원격제어기능을 갖는 다수의 측정헤드용 분사공기 노즐 박스를 이용한 에어마이크로미터 |
KR200439988Y1 (ko) * | 2006-12-14 | 2008-05-16 | 이정빈 | 비접촉식 외경측정장치 |
WO2009093520A1 (ja) * | 2008-01-21 | 2009-07-30 | Mitsubishi Heavy Industries, Ltd. | エアマイクロメータの計測ヘッド |
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TW201508242A (zh) | 2015-03-01 |
CN104603572B (zh) | 2017-10-24 |
JP5941221B2 (ja) | 2016-06-29 |
EP2846130A1 (en) | 2015-03-11 |
EP2846130B1 (en) | 2016-08-03 |
CN104603572A (zh) | 2015-05-06 |
TWI498523B (zh) | 2015-09-01 |
EP2846130A4 (en) | 2015-03-25 |
JP2015530567A (ja) | 2015-10-15 |
KR20150007578A (ko) | 2015-01-21 |
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