Material sound insulation coefficient testing device
The utility model discloses a material sound insulation coefficient testing device which comprises a sound production module, a sound production testing module, a sound insulation test piece module and a sound insulation testing module, and the sound production testing module comprises a first polyg...
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| creator | WANG FAN WU RUIMENG QIU CHAO |
| description | The utility model discloses a material sound insulation coefficient testing device which comprises a sound production module, a sound production testing module, a sound insulation test piece module and a sound insulation testing module, and the sound production testing module comprises a first polygonal pipe fitting and a first microphone assembly arranged in the first polygonal pipe fitting. One end of the sound production test module is communicated with the sound production module to receive a sound signal sent by the sound production module, and the sound insulation test piece module is detachably connected to the end, away from the sound production module, of the sound production test module and comprises a second polygonal pipe fitting which is provided with a to-be-tested material test piece; the sound insulation test module is detachably connected to one end, far away from the sound insulation test piece module, of the sound insulation test piece module, and the sound insulation test module comprises |
| format | Patent |
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One end of the sound production test module is communicated with the sound production module to receive a sound signal sent by the sound production module, and the sound insulation test piece module is detachably connected to the end, away from the sound production module, of the sound production test module and comprises a second polygonal pipe fitting which is provided with a to-be-tested material test piece; the sound insulation test module is detachably connected to one end, far away from the sound insulation test piece module, of the sound insulation test piece module, and the sound insulation test module comprises</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; 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=20230630&DB=EPODOC&CC=CN&NR=219285098U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230630&DB=EPODOC&CC=CN&NR=219285098U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG FAN</creatorcontrib><creatorcontrib>WU RUIMENG</creatorcontrib><creatorcontrib>QIU CHAO</creatorcontrib><title>Material sound insulation coefficient testing device</title><description>The utility model discloses a material sound insulation coefficient testing device which comprises a sound production module, a sound production testing module, a sound insulation test piece module and a sound insulation testing module, and the sound production testing module comprises a first polygonal pipe fitting and a first microphone assembly arranged in the first polygonal pipe fitting. 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One end of the sound production test module is communicated with the sound production module to receive a sound signal sent by the sound production module, and the sound insulation test piece module is detachably connected to the end, away from the sound production module, of the sound production test module and comprises a second polygonal pipe fitting which is provided with a to-be-tested material test piece; the sound insulation test module is detachably connected to one end, far away from the sound insulation test piece module, of the sound insulation test piece module, and the sound insulation test module comprises</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Material sound insulation coefficient testing device |
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