{"id":185,"date":"2020-08-06T15:44:37","date_gmt":"2020-08-06T07:44:37","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=185"},"modified":"2022-06-10T10:15:56","modified_gmt":"2022-06-10T02:15:56","slug":"gb-19757-2005-%e8%8b%b1%e6%96%87%e7%89%88-english-%e7%bf%bb%e8%af%91-%e4%b8%89%e8%bd%ae%e6%b1%bd%e8%bd%a6%e5%92%8c%e4%bd%8e%e9%80%9f%e8%b4%a7%e8%bd%a6%e5%8a%a0%e9%80%9f%e8%a1%8c%e9%a9%b6%e8%bd%a6","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=185","title":{"rendered":"GB 19757-2005\u82f1\u6587\u7248\u7ffb\u8bd1 \u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u9650\u503c\u53ca\u6d4b\u91cf\u65b9\u6cd5\uff08\u4e2d\u56fdI\u3001II\u9636\u6bb5\uff09"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB 19757-2005 \u82f1\u6587\u7248\/English\/\u7ffb\u8bd1\/\u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u9650\u503c\u53ca\u6d4b\u91cf\u65b9\u6cd5\uff08\u4e2d\u56fdI\u3001II\u9636\u6bb5\uff09
\nLimits and Measurement Methods for Noise Emitted By Accelerating Tri-Wheel and Low-Speed Vehicle<\/p>\n

<\/p>\n

CONTENTS<\/p>\n

Foreword II
\n1 Scope 1
\n2 Normative References 1
\n3 Noise Limits 1
\n4 Type Approval 1
\n5 Extension of Type Approval 2
\n6 Conformity of Production Check 2
\n7 Implementation of This Standard 2
\nAnnex A (Normative) Measurement Methods of Noise Emitted by Accelerating Tri-Wheel and Low-Speed Vehicles 4
\nAnnex B (Informative) Measurement Record of Noise Emitted by Accelerating Tri-Wheel and Low-Speed Vehicles 7<\/p>\n

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

\u672c\u6807\u51c6\u89c4\u5b9a\u4e86\u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0 \u9650\u503c\u53ca\u6d4b\u91cf\u65b9\u6cd5 \u3002
\n\u672c\u6807\u51c6\u9002\u7528\u4e8e\u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66\u7684\u578b\u5f0f\u6838\u51c6\u548c\u751f\u4ea7\u4e00\u81f4\u6027\u68c0\u67e5 \u3002
\n2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6
\n\u4e0b\u5217\u6587\u4ef6\u4e2d\u7684\u6761\u6b3e\u901a\u8fc7\u672c\u6807\u51c6\u7684\u5f15\u7528\u800c\u6210\u4e3a\u672c\u6807\u51c6\u7684\u6761\u6b3e \u3002\u51e1\u662f\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6 \uff0c\u5176\u968f\u540e\u6240 \u6709\u7684\u4fee\u6539\u5355 \uff08\u4e0d\u5305\u62ec\u52d8\u8bef\u7684\u5185\u5bb9\uff09 \u6216\u4fee\u8ba2\u7248\u5747\u4e0d\u9002\u7528\u4e8e\u672c\u6807\u51c6 \uff0c\u7136\u800c \uff0c\u9f13\u52b1\u6839\u636e\u672c\u6807\u51c6\u8fbe\u6210\u534f\u8bae\u7684 \u5404\u65b9\u7814\u7a76\u662f\u5426\u53ef\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u7684\u6700\u65b0\u7248\u672c \u3002\u51e1\u662f\u4e0d\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6 \uff0c\u5176\u6700\u65b0\u7248\u672c\u9002\u7528\u4e8e\u672c\u6807\u51c6\u3002
\nGB 7258 \u673a\u52a8\u8f66 \u8fd0\u884c\u5b89\u5168\u6280\u672f\u6761\u4ef6
\nGB\/T 3785 \u58f0\u7ea7\u8ba1\u7684\u7535\u3001\u58f0\u6027\u80fd\u53ca\u6d4b\u8bd5\u65b9\u6cd5
\nGBT 15173\u58f0\u6821\u51c6\u5668
\nJBT 7235\u56db\u8f6e\u519c\u7528\u8fd0\u8f93\u8f66 \u8bd5\u9a8c\u65b9\u6cd5
\nJBT 7237 \u4e09\u8f6e\u519c\u7528\u8fd0\u8f93\u8f66\u8bd5\u9a8c\u65b9\u6cd5
\nGB 7258\u673a\u52a8\u8f66\u8fd0\u884c\u5b89\u5168\u6280\u672f\u6761\u4ef6<\/p>\n

3 \u566a\u58f0\u9650\u503c
\n\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0 \u9650\u503c\u5e94\u7b26\u5408\u8868 1 \u4e2d\u7684\u89c4\u5b9a\u3002
\n4 \u578b\u5f0f\u6838\u51c6<\/p>\n

4.1 \u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7684\u751f\u4ea7\u4f01\u4e1a \uff0c\u5e94\u5c31\u7b26\u5408\u672c\u6807\u51c6\u9002\u7528\u8303\u56f4\u7684\u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66\u7684\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u6392\u653e\u6c34\u5e73 \uff0c\u5411\u8d1f\u8d23\u8f66\u578b\u578b\u5f0f\u6838\u51c6\u7684\u4e3b\u7ba1\u90e8\u95e8 \uff08\u4ee5\u4e0b\u7b80\u79f0 \uff1a\u578b\u5f0f\u6838\u51c6\u4e3b\u7ba1\u90e8\u95e8\uff09 \u63d0\u51fa\u578b\u5f0f\u6838 \u51c6\u7533\u8bf7\u3002
\n4.2 \u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7684\u751f\u4ea7\u4f01\u4e1a\u6216\u5236\u9020\u5355\u4f4d\u5e94\u63d0\u4ea4\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7684\u6574\u8f66\u53ca\u4e3b\u8981\u603b\u6210 \uff0c\u5982 \u53d1\u52a8\u673a\u3001\u79bb\u5408\u5668\u3001\u53d8\u901f\u7bb1\u7b49\u7684\u6280\u672f\u53c2\u6570 \uff0c\u7279\u522b\u5e94\u63d0\u4f9b\u6709\u5173\u80fd\u5bf9\u8f66\u8f86\u566a\u58f0\u63a7\u5236\u8d77\u4f5c\u7528 \u7684\u8bbe\u8ba1\u65b9\u9762\u5185\u5bb9 \u53ca\u76f8\u5173\u6280\u672f\u6587\u4ef6 \u3002
\n4.3 \u7533\u8bf7\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u578b\u5f0f\u6838\u51c6\u7684\u751f\u4ea7\u4f01\u4e1a\u6216\u5236\u9020\u5355\u4f4d\u5fc5\u987b\u63d0\u4ea4\u4e00\u8f86\u7b26\u5408 \u4e0a\u8ff0\u6280\u672f\u63cf\u8ff0\u7684\u6837\u8f66\u7ed9\u7ecf\u578b\u5f0f\u6838\u51c6\u4e3b\u7ba1\u90e8\u95e8\u59d4\u6258\u7684\u68c0\u6d4b\u673a\u6784 \uff08\u4ee5\u4e0b\u7b80\u79f0\u4e3a \u201c\u68c0\u6d4b\u673a\u6784\u201d\uff09 \u8fdb\u884c\u68c0\u9a8c\u3002 \u68c0\u6d4b\u673a\u6784\u5e94\u6309\u672c\u6807\u51c6\u9644\u5f55 A \u8fdb\u884c\u566a\u58f0\u6d4b\u5b9a \uff0c\u6309\u9644\u5f55 B \u8fdb\u884c\u8bb0\u5f55 \uff0c\u5b8c\u6210\u672c\u6807\u51c6\u89c4\u5b9a\u7684\u68c0\u9a8c\u5185\u5bb9 \u3002\u68c0\u6d4b \u673a\u6784\u5e94\u5bf9\u68c0\u6d4b\u7ed3\u679c \u51fa\u5177\u68c0\u6d4b\u62a5\u544a \uff0c\u5e76\u63d0\u4ea4\u7ed9\u578b\u5f0f\u6838\u51c6\u4e3b\u7ba1\u90e8\u95e8 \u3002
\n4.4 \u68c0\u6d4b\u673a\u6784\u7684\u68c0\u6d4b\u7ed3\u679c\u7b26\u5408\u672c\u6807\u51c6\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u578b\u5f0f\u6838\u51c6\u8bd5\u9a8c\u9650\u503c\u89c4\u5b9a \uff0c\u5219\u8ba4\u4e3a\u5408\u683c \uff0c\u5426 \u5219\u4e3a\u4e0d\u5408\u683c\u3002
\n5 \u578b\u5f0f\u6838\u51c6\u6269\u5c55
\n5.1 \u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u8f66\u578b\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u578b\u5f0f\u6838\u51c6\u6269\u5c55\u7684\u7533\u8bf7\u5e94\u7531\u751f\u4ea7\u4f01\u4e1a\u6216\u5236\u9020\u5355\u4f4d\u5411\u578b \u5f0f\u6838\u51c6\u4e3b\u7ba1\u90e8\u95e8\u63d0\u51fa \u3002
\n5.2 \u751f\u4ea7\u4f01\u4e1a\u6216\u5236\u9020\u5355\u4f4d\u5e94\u5411\u68c0\u6d4b\u673a\u6784\u63d0\u4ea4\u7533\u8bf7\u578b\u5f0f\u6269\u5c55\u8f66\u578b\u548c\u88ab\u6269\u5c55\u8f66\u578b\u7684\u6574\u8f66\u53ca\u4e3b\u8981\u603b\u6210 \uff0c\u5982 \u53d1\u52a8\u673a\u3001\u79bb\u5408\u5668\u3001\u53d8\u901f\u7bb1\u7b49\u7684\u6280\u672f\u53c2\u6570 \uff0c\u7279\u522b\u5e94\u63d0\u4f9b\u6709\u5173\u80fd\u5bf9\u8f66\u8f86\u566a\u58f0\u63a7\u5236\u8d77\u4f5c\u7528 \u7684\u8bbe\u8ba1\u65b9\u9762\u5185\u5bb9 \u53ca\u76f8\u5173\u6280\u672f\u6587\u4ef6 \u3002
\n5.3 \u5fc5\u8981\u65f6\u751f\u4ea7\u4f01\u4e1a\u6216\u5236\u9020\u5355\u4f4d\u5e94\u5411\u68c0\u6d4b\u673a\u6784\u63d0\u4ea4\u7b26\u5408\u4e0a\u8ff0\u6280\u672f\u63cf\u8ff0\u7684\u6837\u8f66 \u3002
\n5.4 \u68c0\u6d4b\u673a\u6784\u5e94\u6309\u672c\u6807\u51c6\u89c4\u5b9a\u8981\u6c42\u8fdb\u884c\u578b\u5f0f\u6838\u51c6\u6269\u5c55\u7684\u68c0\u9a8c \uff0c\u5bf9\u7b26\u5408\u578b\u5f0f\u6838\u51c6\u6269\u5c55\u6761\u4ef6\u7684\u8f66\u578b\u51fa\u5177 \u68c0\u6d4b\u62a5\u544a \uff0c\u5e76\u63d0\u4ea4\u7ed9\u578b\u5f0f\u6838\u51c6\u4e3b\u7ba1\u90e8\u95e8 \u3002\u5c31\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u6765\u8bf4\uff0c\u5728\u4ee5\u4e0b\u4e3b \u8981\u65b9\u9762\u4e0e\u5df1\u6838\u51c6\u8f66\u578b\u6ca1\u6709\u5dee\u522b\u7684\u8f66\u578b\u53ef\u4ee5\u8fdb\u884c\u578b\u5f0f\u6838\u51c6\u6269\u5c55 \u3002
\n5.4.1 \u8f66\u8eab\u5916\u5f62\u6216\u7ed3\u6784\u6750\u6599 \uff08 \u7279\u522b\u662f\u53d1\u52a8\u673a\u673a\u8231\u53ca\u5176\u9694\u58f0\u6750\u6599\uff09\u3002
\n5.4.2 \u8f66\u957f\u548c\u8f66\u5bbd\u3002
\n5.4.3 \u53d1\u52a8\u673a\u578b\u5f0f \uff08\u4e8c\u51b2\u7a0b\u6216\u56db\u51b2\u7a0b\uff09 \u3001\u6c7d\u7f38\u6570\u53ca\u6392\u91cf \u3001\u6c14\u95e8\u5e03\u7f6e\u3001\u989d\u5b9a\u529f\u7387\u53ca\u76f8\u5e94\u8f6c\u901f\u3002
\n5.4.4 \u4f20\u52a8\u7cfb \u3001\u6321\u4f4d\u6570\u53ca\u5176\u901f\u6bd4 \u3002
\n5.4.5 \u964d\u566a\u90e8\u4ef6\u548c\u7cfb\u7edf \uff0c\u5982\u6392\u6c14\u7ba1\u548c\u6d88\u58f0\u5668\u7b49\u7684\u724c\u53f7\u6216\u5546\u6807 \u3001\u90e8\u4ef6\u7684\u5c3a\u5bf8\u548c\u5f62\u72b6 \u3001\u6750\u6599\u7279\u6027 \u3001\u90e8\u4ef6 \u7684\u6570\u91cf\u548c\u88c5\u914d\u7b49\u3002
\n5.5 \u68c0\u6d4b\u673a\u6784\u7684\u68c0\u6d4b\u7ed3\u679c\u7b26\u5408\u672c\u6807\u51c6\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u578b\u5f0f\u6838\u51c6\u8bd5\u9a8c\u9650\u503c\u89c4\u5b9a \uff0c\u5219\u8ba4\u4e3a\u5408\u683c \uff0c\u5426 \u5219\u4e3a\u4e0d\u5408\u683c \u3002<\/p>\n

6 \u751f\u4ea7\u4e00\u81f4\u6027\u68c0\u67e5<\/p>\n

6 .1 \u5bf9\u5df2\u83b7\u5f97\u578b\u5f0f\u6838\u51c6\u800c\u6210\u6279\u751f\u4ea7\u7684\u8f66\u8f86 \uff0c\u5fc5\u987b\u91c7\u53d6\u63aa\u65bd\u786e\u4fdd\u8f66\u8f86 \u3001\u7cfb\u7edf\u3001\u90e8\u4ef6\u6216\u5355\u72ec\u6280\u672f\u603b\u6210\u4e0e \u5df2\u6838\u51c6\u7684\u578b\u5f0f\u4e00\u81f4 \u3002\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u8f66\u578b\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u751f\u4ea7\u4e00\u81f4\u6027\u68c0\u67e5\u7531\u56fd\u52a1\u9662\u6709\u5173\u884c\u653f \u4e3b\u7ba1\u90e8\u95e8\u7ec4\u7ec7\u5b9e\u65bd \u3002
\n6 . 2 \u4ece\u6279\u91cf\u751f\u4ea7\u7684\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u4e2d \u968f\u673a\u62bd\u53d6\u4e00\u8f86\u6837\u8f66 \uff0c\u7531\u56fd\u52a1\u9662\u6709\u5173\u884c\u653f\u4e3b\u7ba1\u90e8\u95e8\u59d4\u6258\u7684\u68c0 \u6d4b\u673a\u6784\u8fdb\u884c\u68c0\u9a8c \u3002
\n6.3 \u68c0\u6d4b\u673a\u6784\u5e94\u6309\u672c\u6807\u51c6\u9644\u5f55 A \u548c B \u5b8c\u6210\u672c\u6807\u51c6\u89c4\u5b9a\u7684\u68c0\u9a8c\u5185\u5bb9\u3002\u68c0\u6d4b\u673a\u6784\u5e94\u5bf9\u68c0\u6d4b\u7ed3\u679c\u51fa\u5177\u68c0\u6d4b \u62a5\u544a\uff0c\u5e76\u63d0\u4ea4\u7ed9\u56fd\u52a1\u9662\u6709\u5173\u884c\u653f\u4e3b\u7ba1\u90e8\u95e8 \u3002
\n6 .4 \u68c0\u6d4b\u673a\u6784\u7684\u68c0\u6d4b\u7ed3\u679c\u7b26\u5408\u672c\u6807 i(i \uff1a\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u751f\u4ea7\u4e00\u81f4\u6027\u68c0\u67e5\u9650 \u503c\u89c4\u5b9a \uff0c\u5219\u8ba4\u4e3a\u5408\u683c\u3002
\n7 \u6807\u51c6\u7684\u5b9e\u65bd<\/p>\n

\u81ea\u88682 \u89c4\u5b9a\u7684\u578b\u5f0f\u6838\u51c6\u6267\u884c\u65e5\u671f\u8d77 \uff0c\u51e1\u8fdb\u884c\u52a0\u901f\u884c\u9a76\u566a\u58f0\u6392\u653e\u578b\u5f0f\u6838\u51c6\u7684\u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66 \u90fd\u5fc5\u987b\u7b26\u5408\u672c\u6807\u51c6\u8981\u6c42 \u3002\u5728\u88682 \u89c4\u5b9a\u6267\u884c\u65e5\u671f\u4e4b\u524d \uff0c\u53ef\u4ee5\u6309\u7167\u672c\u6807\u51c6\u7684\u76f8\u5e94\u8981\u6c42\u8fdb\u884c\u578b\u5f0f\u6838\u51c6\u7684\u7533 \u8bf7\u548c\u6279\u51c6\u3002<\/p>\n

\u9644 \u5f55A
\n\uff08 \u89c4\u8303\u6027\u9644\u5f55\uff09
\n\u4e09\u8f6e\u6c7d\u8f66\u548c\u4f4e\u901f\u8d27\u8f66\u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a \u58f0\u6d4b\u91cf\u65b9\u6cd5<\/p>\n

A.1 \u6d4b\u91cf\u4eea\u5668<\/p>\n

A.1 .1 \u58f0\u5b66\u6d4b\u91cf
\nA .1 .1 .1 \u6d4b\u91cf\u7528\u58f0\u7ea7\u8ba1 \uff08\u5305\u62ec\u4f20\u58f0\u5668\u548c\u7535\u7f06\uff09 \u6216\u5176\u4ed6\u7b49\u6548\u7684\u6d4b\u91cf\u7cfb\u7edf\u5e94\u7b26\u5408 GBIT 3785 \u4e2d\u89c4\u5b9a\u7684 1\u578b\u58f0\u7ea7\u8ba1\u7684\u8981\u6c42 \u3002
\nA.1 .1 .2 \u6d4b\u91cf\u524d\u540e \uff0c\u5e94\u7528\u7b26\u5408 GB\/T 15173 \u89c4\u5b9a\u7684 1\u7ea7\u58f0\u6821\u51c6\u5668\u6309\u5236\u9020\u5382\u89c4\u5b9a\u7684\u7a0b\u5e8f\u5bf9\u58f0\u7ea7\u8ba1\u8fdb\u884c \u6821\u51c6\u3002\u5728\u6ca1\u6709\u518d\u4f5c\u4efb\u4f55\u8c03\u6574\u7684\u6761\u4ef6\u4e0b \uff0c\u5982\u679c\u540e\u4e00\u6b21\u6821\u51c6\u8bfb\u6570\u76f8\u5bf9\u524d\u4e00\u6b21\u6821\u51c6\u8bfb\u6570\u7684\u5dee\u503c\u8d85\u8fc7 0.5 dB, \u5219\u8ba4\u4e3a\u524d\u4e00\u6b21\u6821\u51c6\u540e\u7684\u6d4b\u91cf\u7ed3\u679c\u65e0\u6548 \u3002\u6821\u51c6\u65f6\u7684\u58f0\u7ea7\u8ba1\u5b9e\u9645\u8bfb\u6570\u5e94\u8bb0\u5f55\u5728\u9644\u5f55 B \u4e2d\u3002
\nA.1 .2 \u8f6c\u901f\u6216\u8f66\u901f\u6d4b\u91cf
\n\u6d4b\u91cf\u5e94\u9009\u7528\u51c6\u786e\u5ea6\u4f18\u4e8e \u00b1 2 % \u7684\u53d1\u52a8\u673a\u8f6c\u901f\u6216\u8f66\u901f\u6d4b\u91cf\u4eea\u5668\u6765\u76d1\u6d4b\u53d1\u52a8\u673a\u8f6c\u901f\u6216\u8f66\u901f \uff0c\u4e0d\u5e94\u4f7f\u7528 \u519c\u7528\u8fd0\u8f93\u8f66\u4e0a\u7684\u540c\u7c7b\u4eea\u8868 \u3002
\nA .1 .3 \u6c14\u8c61\u53c2\u6570\u6d4b\u91cf
\n\u6d4b\u91cf\u73af\u5883\u6e29\u5ea6\u7684\u6e29\u5ea6\u8ba1\u51c6\u786e\u5ea6\u5e94\u5728 \u571f 1 \u2103\u4ee5\u5185\u3002\u98ce\u901f\u4eea\u7684\u51c6\u786e\u5ea6\u5e94\u5728\u00b11.0 mis \u4ee5\u5185o
\nA.1 .4 \u5176\u4ed6\u53c2\u6570\u6d4b\u91cf
\n\u5176\u4ed6\u53c2\u6570 \uff0c\u5982\u8ddd\u79bb\u7b49 \uff0c\u5e94\u4f7f\u7528\u51c6\u786e\u5ea6\u4e0d\u4f4e\u4e8e \u00b1 2% \u7684\u4eea\u5668\u6d4b\u91cf\u3002
\nA.1 .5 \u4eea\u5668\u6709\u6548\u6027
\n\u6240\u6709\u6d4b\u91cf\u4eea\u5668\u5747\u5e94\u6309\u56fd\u5bb6\u6709\u5173\u8ba1\u91cf\u4eea\u5668\u7684\u89c4\u5b9a\u8fdb\u884c \u5b9a\u671f\u68c0\u9a8c \uff0c\u5e76\u5728\u68c0\u9a8c\u6709\u6548\u65e5\u671f\u5185\u4f7f\u7528\u3002<\/p>\n

A.2 \u6d4b\u91cf\u6761\u4ef6<\/p>\n

A.2 .1 \u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u6280\u672f\u72b6\u51b5\u5e94\u7b26\u5408 JBIT 7235 \u300a\u56db\u8f6e\u519c\u7528\u8fd0\u8f93\u8f66\u961f JB\/T 7237 \u300a\u4e09\u8f6e\u519c \u7528\u8fd0\u8f93\u8f66\u300b \u6216 GB 7258 \u300a\u673a\u52a8\u8f66\u8fd0\u884c\u5b89\u5168\u6280\u672f\u6761\u4ef6\u300b \u548c\u968f\u8f66\u6280\u672f\u6587\u4ef6\u7684\u6709\u5173\u89c4\u5b9a \uff0c\u6d4b\u91cf\u65f6\u88ab\u6d4b\u4e09\u8f6e\u6c7d \u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u5e94\u7a7a\u8f7d \u3002
\nA.2 .2 \u6d4b\u91cf\u573a\u5730\u5e94\u662f\u4e00\u4e2a\u5b81\u9759 \u3001\u5f00\u9614\u7684\u6c34\u5e73\u573a\u5730 \uff08\u5761\u5ea6\u4e0d\u5927\u4e8e 0.5% \uff09 \uff0c\u8be5\u573a\u5730\u5e94\u80fd\u4fdd\u8bc1\u58f0\u97f3\u5728\u566a\u58f0 \u6e90\u4e0e\u4f20\u58f0\u5668\u4e4b\u95f4\u7684\u534a\u7403\u9762\u7684\u4f20\u64ad\u504f\u5dee\u4e0d\u5927\u4e8e \u571f 1 dB ( A \uff09 \u3002\u7b26\u5408\u8be5\u58f0\u5b66\u8981\u6c42\u7684\u573a\u5730\uff0c\u53ef\u4ee5\u662f\u8fd9\u6837\u4e00\u4e2a \u573a\u5730 \uff1a
\n\u4e00 \u4e00\u4ee5\u6d4b\u91cf\u573a\u5730\u4e2d\u5fc3 M \uff08 \u89c1\u56fe 1\uff09 \u4e3a\u57fa\u70b9\u3001\u534a\u5f84\u4e3a 50 m \u8303\u56f4\u5185\uff0c\u6ca1\u6709\u5927\u7684\u58f0\u53cd\u5c04\u7269 \uff0c\u5982\u5efa\u7b51\u7269\u3001 \u56f4\u5899 \u3001\u5ca9\u77f3\u6216\u6865\u6881\u7b49 \uff1b
\n\uff0d\u4ee5\u6d4b\u91cf\u573a\u5730\u4e2d\u5fc3 M \u4e3a\u57fa\u70b9\u3001\u534a\u5f84\u4e3a 10 m\u8303\u56f4\u5185\u7684\u5730\u9762\u5e94\u662f\u6df7\u51dd\u571f \u3001\u6ca5\u9752\u6216\u7c7b\u4f3c\u7684\u575a\u786c\u6750\u8d28
\n\u8def\u9762\uff0c\u4e0d\u5e94\u6709\u79ef\u96ea\u3001\u9ad8\u8349\u3001\u7070\u6e23\u6216\u677e\u58eb\u7b49\u5438\u58f0\u6750\u6599 \u3002
\n\u2192\u4e00\u5728\u58f0\u7ea7\u8ba1\u7684\u4f20\u58f0\u5668\u548c\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u4e4b\u95f4 \uff0c\u4e0d\u5e94\u6709\u4eba\u6216\u5176\u4ed6\u969c\u788d\u7269 \uff0c\u89c2\u6d4b\u4eba\u5458\u5e94 \u5728\u4e0d\u5f71\u54cd\u58f0\u7ea7\u8ba1\u8bfb\u6570\u7684\u4f4d\u7f6e \u3002
\nA .2.3 \u8bd5\u9a8c\u8dd1\u9053\u5e94\u662f\u4e00\u6761\u6e05\u6d01 \u3001\u5e72\u71e5 \u3001\u5e73\u76f4\u7684\u9053\u8def \uff0c\u5176\u957f\u5ea6\u4e00\u822c\u4e0d\u5c11\u4e8e 200 m\u3002\u8dd1\u9053\u8868\u9762\u5e94\u4e0d\u4f1a\u9020 \u6210\u8fc7\u9ad8\u7684\u8f6e\u80ce\u566a\u58f0 \u3002
\nA .2 . 4 \u6d4b\u91cf\u65f6 \uff0c\u73af\u5883\u6e29\u5ea6\u5e94\u4e3a5 35\u2103\uff0c\u6d4b\u91cf\u573a\u5730\u4e0a\u65b9\u79bb\u5730\u9762 1.2 m \u5904\u7684\u98ce\u901f\u4e0d\u5927\u4e8e 5 mis\u3002\u5f53\u98ce \u901f\u5927\u4e8e 3 mis \u65f6\uff0c\u4e3a\u907f\u514d\u98ce\u566a\u58f0\u7684\u5f71\u54cd \uff0c\u5e94\u5728\u4f20\u58f0\u5668\u4e0a\u88c5\u98ce\u7f69 \uff0c\u4f46\u98ce\u7f69\u4e0d\u5e94\u5f71\u54cd\u6d4b\u91cf\u7684\u51c6\u786e\u5ea6 \u3002
\n\u6c14\u8c61\u53c2\u6570\u7684\u6d4b\u91cf\u4eea\u5668\u5e94\u7f6e\u4e8e\u6d4b\u91cf\u573a\u5730\u9644\u8fd1 \uff0c\u9ad8\u5ea6\u4e3a 1.2 ffio
\nA .2.5 \u6d4b\u91cf\u65f6\u7684\u80cc\u666f\u566a\u58f0\u5e94\u6bd4\u6d4b\u91cf\u7684\u566a\u58f0\u81f3\u5c11\u4f4e 10 dB ( A \uff09 \uff0c\u6d4b\u91cf\u4e2d\u5e94\u4fdd\u8bc1\u4e0d\u88ab\u5076\u7136\u7684\u5176\u4ed6\u58f0\u6e90\u6240\u5e72\u6270\u3002
\nA .3 \u52a0\u901f\u884c\u9a76\u8f66\u5916\u566a\u58f0\u7684\u6d4b\u91cf
\nA.3.1 \u6d4b\u91cf\u573a\u5730\u7684\u5e03\u7f6e\u5982\u56fe l\u6240\u793a \u3002\u5728\u6d4b\u91cf\u573a\u5730\u4e0a\u6807\u51fa\u8dd1\u9053\u4e2d\u5fc3\u7ebf cc\u3001\u4e2d\u5fc3\u70b9 M\u3001\u52a0\u901f\u8d77\u59cb\u7ebf
\nAA \u3001\u52a0\u901f\u7ec8\u6b62\u7ebf BB\u3001\u4eea\u5668\u5b89\u653e\u70b9 P1 \u548c P2 0 \u52a0\u901f\u6bb5\u957f\u5ea6\u4e3a 2 x (10 \u00b1 0.05) m\u3002
\nA.3.2 \u5728\u4eea\u5668\u5b89\u653e\u70b9 P1 \u548c P2 \u5904\uff0c\u5206\u522b\u7528\u4e09\u89d2\u67b6\u56fa\u5b9a\u4e00\u4e2a\u58f0\u7ea7\u8ba1 \uff0c\u58f0\u7ea7\u8ba1\u7684\u4f20\u58f0\u5668\u7f6e\u4e8e P1\u3001P2 \u70b9\uff0c \u79bb\u5730\u9762l.2m \u00b1 0.05m \u4e14\u671d\u5411 cc \u7ebf \uff0c\u4f20\u58f0\u5668\u7684\u8f74\u7ebf\u4e0e cc \u7ebf\u6c34\u5e73\u8ddd\u79bb\u4e3a 7.5m \u00b1 0.05m\uff0c\u5e76\u5782\u76f4\u4e8e cc \u7ebf \u4e14\u4e0e\u5730\u9762\u5e73\u884c \u3002
\nA.3.3 \u5728\u52a0\u901f\u901a\u8fc7\u6d4b\u91cf\u533a\u65f6 \uff0c\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u5e94\u76f4\u7ebf \u884c\u9a76 \uff0c\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7eb5\u5411 \u4e2d\u5fc3\u5e73\u9762\u4e0e cc\u7ebf\u7684\u504f\u79bb\u91cf\u5e94\u63a7\u5236\u5728 \u571f 0.3m \u4ee5\u5185\uff0c\u5426\u5219\u8be5\u6b21\u6d4b\u91cf\u65e0\u6548 \u3002
\nA.3.4 \u6d4b\u91cf\u65f6\u5e94\u4f7f\u7528\u58f0\u7ea7\u8ba1\u7684 \u201cA\u201d \u9891\u7387\u8ba1\u6743\u7279\u6027\u548c \u201cF\u201d \u65f6\u95f4\u8ba1\u6743\u7279\u6027\u3002
\nA.3.5 \u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7f6e\u4e8e\u4e0b\u5217\u6321\u4f4d \uff1a\u524d\u8fdb\u6321\u6570\u4e3a4 \u4e2a\u4ee5\u4e0a\u7684\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u6302\u7b2c\u4e09 \u6321 \uff0c\u524d\u8fdb\u6321\u6570\u4e3a 4 \u4e2a\u6216 4 \u4e2a\u4ee5\u4e0b\u7684\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u6302\u7b2c\u4e8c\u6321 \u3002\u672c\u6761\u6240\u8ff0\u524d\u8fdb\u6321\u6570\u4e0d\u5305\u62ec\u4f7f\u7528\u526f \u53d8\u901f\u673a\u6784\u65f6\u7684\u6321\u4f4d\u6570 \uff0c\u6709\u526f\u53d8\u901f\u7684\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u5728\u6d4b\u91cf\u65f6\u5e94\u5c06\u526f\u53d8\u901f\u673a\u6784\u7f6e\u4e8e\u8fd0\u8f93\u6321\u4f4d\u7f6e \u3002
\n\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u4ee5\u4e0a\u8ff0\u89c4\u5b9a\u6321\u4f4d\u548c\u7a33\u5b9a\u8f66\u901f \uff08 \u76f8\u5f53\u4e8e\u53d1\u52a8\u673a 3\/4 \u6807\u5b9a\u8f6c\u901f\u65f6\u7684\u8f66\u901f\uff09 \uff0c \u6cbf cc \u7ebf\u9a76\u5411\u52a0\u901f\u8d77\u59cb\u7ebf AA \uff0c\u5176\u8f66\u901f\u5ea6\u53d8\u5316\u5e94\u63a7\u5236\u5728\u00b1 2 km\/h \u4ee5\u5185\uff1b\u82e5\u63a7\u5236\u53d1\u52a8\u673a\u8f6c\u901f\uff0c\u5219\u8f6c\u901f\u53d8 \u5316\u5e94\u63a7\u5236\u5728 \u00b1 4% \u4ee5\u5185\u3002
\n\u5f53\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7684\u524d\u7aef\u62b5\u8fbe AA \u7ebf\u65f6 \uff0c\u5e94\u5c3d\u53ef\u80fd\u5730\u8fc5\u901f\u5c06\u52a0\u901f\u8e0f\u677f\u8e29\u5230\u5e95 \uff08\u5373\u6cb9\u95e8\u5168 \u5f00\uff09 \uff0c\u5e76\u4fdd\u6301\u81f3\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u540e\u7aef\u79bb\u5f00 BB \u7ebf\u540e\u518d\u677e\u5f00\u8e0f\u677f \uff08\u5373\u6cb9\u95e8\u5173\u95ed\uff09\uff0c\u8bfb\u53d6\u5e76\u8bb0\u5f55\u4e09 \u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u901a\u8fc7\u6d4b\u533a\u65f6\u58f0\u7ea7\u8ba1\u7684\u6700\u5927\u8bfb\u6570 \u3002
\nA.3.6 \u5982\u679c\u88ab\u6d4b\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u5728 AA \u81f3 BB \u7ebf\u95f4\u52a0\u901f\u884c\u9a76\u65f6 \uff0c\u53d1\u52a8\u673a\u8f6c\u901f\u672a\u8fbe\u5230\u6807\u5b9a\u8f6c\u901f \uff0c \u5219\u5e94\u5c06 AA \u7ebf\u81f3 M\u70b9\u7684\u8ddd\u79bb\u589e\u52a0\u5230 15m\uff0c\u91cd\u65b0\u8fdb\u884c\u6d4b\u91cf \u3002
\nA.3.7 \u5728\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u6bcf\u4e00\u4fa7\u81f3\u5c11\u6d4b\u91cf 4 \u6b21\u3002\u5982\u679c\u5728\u540c \u4fa7\u8fde\u7eed 4 \u6b21\u6d4b\u91cf\u503c\u76f8\u5dee\u4e0d\u5927\u4e8e 2 dB( A\uff09 \uff0c\u5219\u8ba4\u4e3a\u6d4b\u91cf\u7ed3\u679c\u6709\u6548 \uff0c\u5426\u5219\u5e94\u91cd\u65b0\u8fdb\u884c\u6d4b\u91cf \u3002<\/p>\n

A.4 \u6d4b\u91cf\u7ed3\u679c\u53ca\u62a5\u544a<\/p>\n

\u5c06\u5404\u6d4b\u91cf\u503c\u8bb0\u5f55\u4e8e\u9644\u5f55 B \u4e2d\u3002\u8ba1\u7b97\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u6bcf\u4e00\u4fa7\u76844 \u6b21\u6d4b\u91cf\u503c\u7684\u7b97\u672f\u5e73\u5747\u503c \uff0c\u53d6\u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u4e24\u4fa7\u5e73\u5747\u503c\u4e2d\u8f83\u5927\u503c\u4e3a\u88ab\u6d4b\u5170\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7684\u52a0\u901f\u884c\u9a76\u8f66\u5916\u6700\u5927\u566a\u58f0\u503c \u3002
\n\u6700\u5927\u566a\u58f0\u503c\u5e94\u6309\u6709\u5173\u89c4\u5b9a\u4fee\u7ea6\u5230\u4e00\u4f4d\u5c0f\u6570 \u3002 \u4e09\u8f6e\u6c7d\u8f66\u6216\u4f4e\u901f\u8d27\u8f66\u7684\u52a0\u901f\u884c\u9a76\u8f66\u5916\u6700\u5927\u566a\u58f0\u503c\u4e0d\u8d85\u8fc7\u8868 1 \u4e2d\u89c4\u5b9a\u7684\u9650\u503c \uff0c\u5219\u4e3a\u8bd5\u9a8c\u5408\u683c \u3002<\/p>\n

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\n\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<\/span>
\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<\/span>
\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u589e\u503c\u7a0e\u53d1\u7968\u3002<\/span>
\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 133-0649-6964\/Email: standardtrans@foxmail.com \u8d2d\u4e70\u5b8c\u6574\u8bd1\u6587\u3002<\/span>
\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|ChinaAutoRegs\u59cb\u7ec8\u4e13\u6ce8\u4e8e\u6c7d\u8f66\u6807\u51c6\u6cd5\u89c4\u7ffb\u8bd1\uff01\u8fc4\u4eca\u4e3a\u6b62\u5df2\u7ffb\u8bd1\u4e0a\u5343\u4e2a\u56fd\u5185\u5916\u6c7d\u8f66\u6cd5\u89c4\u6807\u51c6\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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