Method and device for measuring thickness of sheet membrane material by using pressure difference change
The invention relates to the technical field of thickness detection, and discloses a method and device for measuring the thickness of a sheet film material by using pressure difference change, and the method comprises the steps: arranging a detection device above a reference roller, enabling the det...
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| creator | YANG MU CAO JINGZHONG |
| description | The invention relates to the technical field of thickness detection, and discloses a method and device for measuring the thickness of a sheet film material by using pressure difference change, and the method comprises the steps: arranging a detection device above a reference roller, enabling the detection device to detect the air inlet pressure and the air return pressure when a to-be-detected object passes through in real time, enabling the to-be-detected object to be attached to the reference roller, and enabling the to-be-detected object to pass through the reference roller; the object to be measured moves along with the rotation of the reference roller; calculating a pressure difference based on the air inlet pressure and the air return pressure; and inputting the pressure difference into a thickness calculation model to calculate and output a thickness value. The thickness value is calculated by detecting the pressure difference, and the problem that thickness detection is greatly limited by the environm |
| format | Patent |
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The thickness value is calculated by detecting the pressure difference, and the problem that thickness detection is greatly limited by the environm</description><language>chi ; eng</language><subject>MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; PHYSICS ; TESTING</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230428&DB=EPODOC&CC=CN&NR=116026261A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230428&DB=EPODOC&CC=CN&NR=116026261A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YANG MU</creatorcontrib><creatorcontrib>CAO JINGZHONG</creatorcontrib><title>Method and device for measuring thickness of sheet membrane material by using pressure difference change</title><description>The invention relates to the technical field of thickness detection, and discloses a method and device for measuring the thickness of a sheet film material by using pressure difference change, and the method comprises the steps: arranging a detection device above a reference roller, enabling the detection device to detect the air inlet pressure and the air return pressure when a to-be-detected object passes through in real time, enabling the to-be-detected object to be attached to the reference roller, and enabling the to-be-detected object to pass through the reference roller; the object to be measured moves along with the rotation of the reference roller; calculating a pressure difference based on the air inlet pressure and the air return pressure; and inputting the pressure difference into a thickness calculation model to calculate and output a thickness value. 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| language | chi ; eng |
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| subjects | MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING |
| title | Method and device for measuring thickness of sheet membrane material by using pressure difference change |
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