Low-noise reinforced cabinet with local porous honeycomb structure
The invention relates to a local porous honeycomb structure low-noise reinforced cabinet, which comprises a cabinet body and a rear plate, and is characterized in that the rear plate is fixedly connected with the rear side of the cabinet body; the cabinet body is of a sand casting integrally-formed...
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| creator | YAN SENSEN DONG ZHIWEI CHEN LIBIN ZHAO LEI ZHAO RUIYING LI GANG |
| description | The invention relates to a local porous honeycomb structure low-noise reinforced cabinet, which comprises a cabinet body and a rear plate, and is characterized in that the rear plate is fixedly connected with the rear side of the cabinet body; the cabinet body is of a sand casting integrally-formed structure, and porous conical sound absorption pit structures are densely distributed in the positions, located on the middle rear portion of the left side and the middle rear portion of the right side, of the inner wall of the cabinet body. The rear plate is of a pressurized seepage casting integrally-formed structure and comprises an outer flat plate layer and an inner sound absorption structure layer, and the inner sound absorption structure layer is of a foaming honeycomb sound absorption structure; and the porous conical sound absorption pits at the middle rear parts of the left side and the right side of the cabinet body and the foaming honeycomb sound absorption structure at the inner side of the rear plate |
| format | Patent |
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The rear plate is of a pressurized seepage casting integrally-formed structure and comprises an outer flat plate layer and an inner sound absorption structure layer, and the inner sound absorption structure layer is of a foaming honeycomb sound absorption structure; and the porous conical sound absorption pits at the middle rear parts of the left side and the right side of the cabinet body and the foaming honeycomb sound absorption structure at the inner side of the rear plate</description><language>chi ; eng</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CASTING ; CASTING OF METALS ; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FOUNDRY MOULDING ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PERFORMING OPERATIONS ; PHYSICS ; POWDER METALLURGY ; PRINTED CIRCUITS ; SOUND-PRODUCING DEVICES ; TRANSPORTING</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=20230718&DB=EPODOC&CC=CN&NR=116456639A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230718&DB=EPODOC&CC=CN&NR=116456639A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAN SENSEN</creatorcontrib><creatorcontrib>DONG ZHIWEI</creatorcontrib><creatorcontrib>CHEN LIBIN</creatorcontrib><creatorcontrib>ZHAO LEI</creatorcontrib><creatorcontrib>ZHAO RUIYING</creatorcontrib><creatorcontrib>LI GANG</creatorcontrib><title>Low-noise reinforced cabinet with local porous honeycomb structure</title><description>The invention relates to a local porous honeycomb structure low-noise reinforced cabinet, which comprises a cabinet body and a rear plate, and is characterized in that the rear plate is fixedly connected with the rear side of the cabinet body; the cabinet body is of a sand casting integrally-formed structure, and porous conical sound absorption pit structures are densely distributed in the positions, located on the middle rear portion of the left side and the middle rear portion of the right side, of the inner wall of the cabinet body. 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The rear plate is of a pressurized seepage casting integrally-formed structure and comprises an outer flat plate layer and an inner sound absorption structure layer, and the inner sound absorption structure layer is of a foaming honeycomb sound absorption structure; and the porous conical sound absorption pits at the middle rear parts of the left side and the right side of the cabinet body and the foaming honeycomb sound absorption structure at the inner side of the rear plate</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FOUNDRY MOULDING MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS POWDER METALLURGY PRINTED CIRCUITS SOUND-PRODUCING DEVICES TRANSPORTING |
| title | Low-noise reinforced cabinet with local porous honeycomb structure |
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