{"id":2151,"date":"2021-10-28T09:04:48","date_gmt":"2021-10-28T01:04:48","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=2151"},"modified":"2022-04-10T09:31:59","modified_gmt":"2022-04-10T01:31:59","slug":"gb-t-40625-2021-%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e6%b1%bd%e8%bd%a6%e5%8a%a0%e9%80%9f%e8%a1%8c%e9%a9%b6%e8%bd%a6%e5%a4%96%e5%99%aa%e5%a3%b0%e5%ae%a4%e5%86%85%e6%b5%8b%e9%87%8f%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=2151","title":{"rendered":"GB\/T 40625-2021\u82f1\u6587\u7248\u7ffb\u8bd1 \u6c7d\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u5ba4\u5185\u6d4b\u91cf\u65b9\u6cd5"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB\/T 40625-2021 \u82f1\u6587\u7248\u7ffb\u8bd1 \u6c7d\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u5ba4\u5185\u6d4b\u91cf\u65b9\u6cd5
\nIndoor measurement methods for noise emitted by accelerating motor vehicles<\/p>\n

<\/p>\n

1 \u8303\u56f4<\/p>\n

\u672c\u6807\u51c6\u89c4\u5b9a\u4e86\u6c7d\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u7684\u5ba4\u5185\u6d4b\u91cf\u65b9\u6cd5\u2014\u2014\u5de5\u7a0b\u6cd5\uff0c\u7ed9\u51fa\u4e86\u672f\u8bed\u548c\u5b9a\u4e49\u3001\u7b26\u53f7\u548c\u7f29\u7565\u8bed\u3001 \u8f66\u8f86\u52a0\u901f\u5ea6\u8ba1\u7b97\u8981\u6c42\u3001\u8bd5\u9a8c\u8bbe\u5907\u3001\u8bd5\u9a8c\u5ba4\u8981\u6c42\u3001\u5e95\u76d8\u6d4b\u529f\u673a\u8981\u6c42\u3001\u6d4b\u8bd5\u6761\u4ef6\u8981\u6c42\u3001\u6d4b\u8bd5\u65b9\u6cd5\u548c\u6d4b\u8bd5\u7ed3\u679c\u3002
\n\u672c\u6807\u51c6\u9002\u7528\u4e8e M \u7c7b\u548c N \u7c7b\u6c7d\u8f66\u3002<\/p>\n

2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6<\/p>\n

\u4e0b\u5217\u6587\u4ef6\u7684\u5bf9\u4e8e\u672c\u6587\u4ef6\u7684\u5e94\u7528\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u51e1\u662f\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6\uff0c\u4ec5\u5f15\u7528\u7684\u7248\u672c\u9002\u7528\u3002\u51e1\u662f\u4e0d\u6ce8 \u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6\uff0c\u5176\u6700\u65b0\u7248\u672c\uff08\u5305\u62ec\u6240\u6709\u7684\u4fee\u6539\u5355\uff09\u9002\u7528\u4e8e\u672c\u6807\u51c6\u3002
\nGB\/T 3730.2 \u9053\u8def\u8f66\u8f86 \u8d28\u91cf \u8bcd\u6c47\u548c\u4ee3\u7801 GB\/T 3785.1 \u7535\u58f0\u5b66 \u58f0\u7ea7\u8ba1 \u7b2c 1 \u90e8\u5206\uff1a\u89c4\u8303 GB\/T 5910 \u8f7f\u8f66 \u8d28\u91cf\u5206\u5e03
\nGB\/T 6882 \u58f0\u5b66 \u58f0\u538b\u6cd5\u6d4b\u5b9a\u566a\u58f0\u6e90\u58f0\u529f\u7387\u7ea7\u548c\u58f0\u80fd\u91cf\u7ea7 \u6d88\u58f0\u5ba4\u548c\u534a\u6d88\u58f0\u5ba4\u7cbe\u5bc6\u6cd5 GB\/T 15089 \u673a\u52a8\u8f66\u8f86\u53ca\u6302\u8f66\u5206\u7c7b
\nGB\/T 15173 \u7535\u58f0\u5b66 \u58f0\u6821\u51c6\u5668
\nGB\/T 17692 \u6c7d\u8f66\u7528\u53d1\u52a8\u673a\u51c0\u529f\u7387\u6d4b\u8bd5\u65b9\u6cd5 GB\/T 34828 \u58f0\u5b66 \u81ea\u7531\u573a\u73af\u5883\u8bc4\u5b9a\u6d4b\u8bd5\u65b9\u6cd5
\nISO 362-1\uff1a2015 \u9053\u8def\u8f66\u8f86\u52a0\u901f\u884c\u9a76\u566a\u58f0\u6d4b\u91cf\u65b9\u6cd5 \u5de5\u7a0b\u6cd5 \u7b2c\u4e00\u90e8\u5206\uff1aM\u3001N \u7c7b\u8f66\u8f86 ISO 10844 \u58f0\u5b66 \u6d4b\u91cf\u9053\u8def\u8f66\u8f86\u53ca\u5176\u8f6e\u80ce\u566a\u58f0\u7528\u8bd5\u9a8c\u9762\u7684\u89c4\u5b9a
\nISO 13325\uff1a2003 \u8f6e\u80ce \u8f6e\u80ce\/\u9053\u8def\u7684\u6eda\u52a8\u566a\u58f0\u6d4b\u8bd5\u2014\u60ef\u6027\u6ed1\u884c\u6cd5 ISO\/IEC 17025 \u68c0\u6d4b\u548c\u6821\u51c6\u5b9e\u9a8c\u5ba4\u80fd\u529b\u7684\u901a\u7528\u8981\u6c42
\nIEC 61672-3 \u7535\u58f0\u5b66 \u58f0\u7ea7\u8ba1 \u7b2c 3 \u90e8\u5206:\u5468\u671f\u8bd5\u9a8c JJF 1059 \u6d4b\u91cf\u4e0d\u786e\u5b9a\u5ea6\u8bc4\u5b9a\u4e0e\u8868\u793a<\/p>\n

3 \u672f\u8bed\u548c\u5b9a\u4e49<\/p>\n

GB\/T 3730.2\uff0cGB\/T 5910\uff0cGB\/T 15089 \u4e2d\u754c\u5b9a\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002<\/p>\n

3.1<\/p>\n

\u9884\u52a0\u901f pre-acceleration
\n\u4e3a\u4e86\u5728\u52a0\u901f\u5ea6\u8ba1\u7b97\u533a\u57df\u5185\u83b7\u5f97\u7a33\u5b9a\u7684\u52a0\u901f\u5ea6\uff0c\u5728\u6c7d\u8f66\u53c2\u8003\u70b9\u8fdb\u5165\u52a0\u901f\u59cb\u7aef\u7ebf\u4f4d\u7f6e\u4e4b\u524d\u8e29\u4e0b\u52a0\u901f\u8e0f\u677f\u3002<\/p>\n

3.2<\/p>\n

\u865a\u62df\u8bd5\u9a8c\u8f66\u9053\u957f\u5ea6 LPB virtual test track length
\n\u7528\u4e8e\u8ba1\u7b97\u52a0\u901f\u5ea6\u7684\u6d4b\u8bd5\u8f68\u9053\u7684\u865a\u62df\u957f\u5ea6\u3002
\n\u6ce8 1\uff1a\u4ece\u7ebf AA’\u5230\u7ebf BB’\u7684\u8bd5\u9a8c\u8f66\u9053\u7684\u865a\u62df\u957f\u5ea6\u8868\u793a\u4e3a LAB\uff0c\u4ece\u7ebf PP’\u5230\u7ebf BB’\u7684\u865a\u62df\u957f\u5ea6\u662f LPB\u3002
\n\u6ce8 2\uff1a\u53c2\u89c1\u56fe 1\u3002<\/p>\n

3.3<\/p>\n

\u6c7d\u8f66\u6574\u5907\u8d28\u91cf kerb mass of vehicle\uff08mkerb\uff09
\n\u88c5\u914d\u6709\u8f66\u8eab\u548c\u7275\u5f15\u88c5\u7f6e\uff08\u5bf9\u4e8e\u7275\u5f15\u8f66\uff09\u7684\u7a7a\u8f7d\u8d28\u91cf\uff0c\u6216\u8005\u88c5\u914d\u6709\u9a7e\u9a76\u5ba4\u7684\u5e95\u76d8\u7684\u8d28\u91cf\uff0c\u8be5\u8d28\u91cf\u5e94\u5305\u62ec \u6c7d\u8f66\u751f\u4ea7\u4f01\u4e1a\u58f0\u79f0\u7684\u6807\u51c6\u88c5\u7f6e\u3001\u51b7\u5374\u6db2\u3001\u6da6\u6ed1\u5242\u3001\u6e05\u6d17\u6db2\u3001\u81f3\u5c1190%\u7684\u71c3\u6599\u3001\u5de5\u5177\u3001\u5907\u80ce\u3001\u6807\u51c6\u5907\u4ef6\u3001\u4e09 \u89d2\u57ab\u6728\u3001\u706d\u706b\u5668\u7b49\uff0c\u5355\u4f4dkg\u3002
\n3.4<\/p>\n

\u6c7d\u8f66\u6d4b\u8bd5\u8d28\u91cf test mass of vehicle\uff08mt\uff09
\n\u4e0d\u540c\u79cd\u7c7b\u6c7d\u8f66\u6839\u636e\u4e0d\u540c\u8f7d\u8377\u6761\u4ef6\u52a0\u8f7d\u540e\uff0c\u7528\u4e8e\u566a\u58f0\u6d4b\u8bd5\u65f6\u7684\u6c7d\u8f66\u8d28\u91cf\uff0c\u5355\u4f4dkg\u3002<\/p>\n

3.5<\/p>\n

\u6c7d\u8f66\u6700\u5927\u603b\u8d28\u91cf gross vehicle mass (GVM)
\n\u672c\u6807\u51c6\u4e2d\u6d89\u53ca\u7684\u201c\u6c7d\u8f66\u6700\u5927\u603b\u8d28\u91cf\u201d\u5747\u6307GB\/T 3730.2\u89c4\u5b9a\u7684\u6c7d\u8f66\u201c\u6700\u5927\u8bbe\u8ba1\u603b\u8d28\u91cf\u201d\uff0c\u5355\u4f4dkg\u3002<\/p>\n

3.6<\/p>\n

\u6c7d\u8f66\u603b\u529f\u7387 total power of vehicle\uff08Pn\uff09
\n\u6c7d\u8f66\u53d1\u52a8\u673a\u6839\u636eGB\/T 17692\u6d4b\u5f97\u7684\u6700\u5927\u51c0\u529f\u7387\uff0c\u5355\u4f4dkW\u3002
\n\u6ce8:\u7535\u52a8\u6c7d\u8f66\u4e2d\uff0c\u7eaf\u7535\u52a8\u6c7d\u8f66\u603b\u529f\u7387\u662f\u6307\u6839\u636eGB\/T 18488.2\u6d4b\u5f97\u7684\u6240\u6709\u9a71\u52a8\u7535\u673a\u5cf0\u503c\u529f\u7387\u4e4b\u548c\uff1b\u6df7\u5408\u52a8\u529b\u6c7d\u8f66\u603b\u529f\u7387\u662f \u6307\u6839\u636eGB\/T 17692\u6d4b\u5f97\u7684\u53d1\u52a8\u673a\u6700\u5927\u51c0\u529f\u7387\u4e0eGB\/T 18488.2\u6d4b\u5f97\u7684\u9a71\u52a8\u7535\u673a\u5cf0\u503c\u529f\u7387\u4e4b\u548c\uff1b\u71c3\u6599\u7535\u6c60\u6c7d\u8f66\u603b\u529f\u7387\u662f\u6307\u6839\u636e GB\/T 24554\u6d4b\u5f97\u7684\u9a71\u52a8\u7535\u673a\u5cf0\u503c\u529f\u7387\uff0c\u5355\u4f4dkW\u3002
\n3.7<\/p>\n

\u53d1\u52a8\u673a\u6700\u5927\u51c0\u529f\u7387\u8f6c\u901f engine speed at maximum net power\uff08S\uff09
\n\u6839\u636eGB\/T 17692\u89c4\u5b9a\u53d1\u52a8\u673a\u8f93\u51fa\u6700\u5927\u51c0\u529f\u7387\u65f6\u5bf9\u5e94\u7684\u8f6c\u901f\uff0c\u5982\u53d1\u52a8\u673a\u5728\u4e0d\u540c\u8f6c\u901f\u5747\u5f97\u5230\u6700\u5927\u51c0\u529f\u7387\uff0c \u5219\u53d1\u52a8\u673a\u6700\u5927\u51c0\u529f\u7387\u5bf9\u5e94\u7684\u6700\u9ad8\u8f6c\u901f\u4e3a\u6700\u5927\u51c0\u529f\u7387\u8f6c\u901f\uff0c\u5355\u4f4dr\/min\u3002
\n3.8<\/p>\n

\u53d1\u52a8\u673a\u76ee\u6807\u8f6c\u901f target engine speed\uff08ntarget\uff09<\/p>\n

\u9053\u8def\u6b63\u5e38\u884c\u9a76\u5de5\u51b5\u4e0b\uff0c\u6cb9\u95e8\u6216\u8282\u6c14\u95e8\u90e8\u5206\u6253\u5f00\u65f6\u7edf\u8ba1\u5f97\u5230\u7684\u8f66\u8f86\u53d1\u52a8\u673a\u8f6c\u901f\uff0c\u5176\u503c\u5e94\u6ee1\u8db3\u5982\u4e0b\u8981\u6c42\uff1a a) S\u22645000 \u8f6c\/\u5206\u65f6\uff0c\u53d1\u52a8\u673a\u76ee\u6807\u8f6c\u901f\u4e3a\u53d1\u52a8\u673a\u6700\u5927\u51c0\u529f\u7387\u8f6c\u901f\u7684 75%\uff1b
\nb) 5000 \u8f6c\/\u5206\uff1cS\uff1c7500 \u8f6c\/\u5206\u65f6\uff0c\u53d1\u52a8\u673a\u76ee\u6807\u8f6c\u901f\u4e3a 3750 r\/min\uff1b<\/p>\n

c) S\u22657500 \u8f6c\/\u5206\u949f\u65f6\uff0c\u53d1\u52a8\u673a\u76ee\u6807\u8f6c\u901f\u4e3a\u53d1\u52a8\u673a\u6700\u5927\u51c0\u529f\u7387\u8f6c\u901f\u7684 50%\u3002<\/p>\n

 <\/p>\n

***********************************************
\n\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002
\n\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002
\n\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u589e\u503c\u7a0e\u53d1\u7968\u3002
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ChinaAutoRegs\uff5cGB\/T 40625-2021 \u82f1\u6587\u7248\u7ffb\u8bd1 \u6c7d\u8f66\u52a0\u901f … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[279,10,178,7],"class_list":["post-2151","post","type-post","status-publish","format-standard","hentry","category-i","tag-cgb-t-40625-2021","tag-gb-t","tag-gb"],"views":1249,"_links":{"self":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/2151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2151"}],"version-history":[{"count":2,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/2151\/revisions"}],"predecessor-version":[{"id":2743,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/2151\/revisions\/2743"}],"wp:attachment":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}