{"id":93,"date":"2026-11-01T09:00:00","date_gmt":"2026-11-01T01:00:00","guid":{"rendered":"https:\/\/panovacuum.cn\/blog\/helium-leak-test-vs-pressure-rise\/"},"modified":"2026-11-05T16:29:33","modified_gmt":"2026-11-05T08:29:33","slug":"helium-leak-test-vs-pressure-rise","status":"publish","type":"post","link":"https:\/\/panovacuum.cn\/blog\/helium-leak-test-vs-pressure-rise\/","title":{"rendered":"\u6c26\u68c0\u548c\u538b\u964d\u6cd5\uff0c\u5dee\u7684\u4e0d\u662f\u7cbe\u5ea6\uff0c\u662f\u4e94\u4e2a\u6570\u91cf\u7ea7"},"content":{"rendered":"

\u5ba2\u6237\u6700\u5e38\u95ee\uff1a\u4f60\u4eec\u600e\u4e48\u68c0\u6f0f\uff0c\u538b\u964d\u6cd5\u884c\u4e0d\u884c\u3002\u884c\uff0c\u4f46\u8981\u770b\u4f60\u8981\u4ec0\u4e48\u7b54\u6848\u3002\u538b\u964d\u6cd5\u56de\u7b54\u300c\u6709\u6ca1\u6709\u6f0f\u300d\uff0c\u6c26\u8d28\u8c31\u56de\u7b54\u300c\u6f0f\u591a\u5c11\u3001\u6f0f\u5728\u54ea\u300d\u3002\u4e24\u8005\u7075\u654f\u5ea6\u5dee\u4e94\u4e2a\u6570\u91cf\u7ea7\uff0c\u4e0d\u662f\u4eea\u5668\u8d35\u4e0d\u8d35\uff0c\u662f\u65b9\u6cd5\u672c\u8eab\u7684\u4e0a\u9650\u3002<\/p>\n

1. \u6f0f\u7387\u662f\u628a\u300c\u7d27\u300d\u53d8\u6210\u6570<\/h2>\n

\u6f0f\u7387 = \u538b\u529b\u53d8\u5316 \u00d7 \u5bb9\u79ef \u00f7 \u65f6\u95f4\uff0cQ = \u0394p\u00b7V\/\u0394t\u30021 m\u00b3 \u5bb9\u5668 1 \u79d2\u53d8 1 Pa\uff0c\u5c31\u662f 1 Pa\u00b7m\u00b3\/s\u3002\u53c2\u7167\u7269\uff1a\u81ea\u884c\u8f66\u5185\u80ce 4 L\u300130 \u5929\u6389 1 bar\uff0c\u6298\u5408 1.5\u00d710\u207b\u2074 Pa\u00b7m\u00b3\/s\uff1b\u51b0\u7bb1\u51b7\u5a92 10 g R134a \u5341\u5e74\u6f0f\u5b8c\uff0c\u6298\u5408 7.1\u00d710\u207b\u2077\u3002\u51b0\u7bb1\u6bd4\u5185\u80ce\u4e25\u4e24\u767e\u591a\u500d\uff0c\u79bb\u534a\u5bfc\u4f53\u8154\u4f53\u4ecd\u5dee\u5f97\u8fdc\u3002\u300c\u4e0d\u6f0f\u300d\u8fd9\u53e5\u8bdd\uff0c\u4e0d\u843d\u5230\u6570\u5b57\u4e0a\u5c31\u6ca1\u610f\u4e49\u3002<\/p>\n

2. \u538b\u964d\u6cd5\u7684\u5751\u4e00\uff1a\u5b83\u6d4b\u7684\u4e0d\u53ea\u662f\u6f0f<\/h2>\n

\u5173\u9600\u770b\u538b\u529b\u4e0a\u6da8\uff0c\u8bfb\u6570\u91cc\u6709\u4e24\u90e8\u5206\uff1a\u771f\u5b9e\u6f0f\u548c\u58c1\u9762\u51fa\u6c14\u3002\u51fa\u6c14\u968f\u65f6\u95f4\u6309 1\/t \u8870\u51cf\uff0c\u91d1\u5c5e\u8868\u9762\u6c34\u6c7d\u7ecf\u9a8c\u5f0f q \u2248 3\u00d710\u207b\u2079\/t\uff08\u5c0f\u65f6\uff09\uff0c\u5355\u4f4d mbar\u00b7L\/(s\u00b7cm\u00b2)\u3002\u521a\u6d17\u5b8c\u7684\u8154\u4f53\uff0c\u524d\u51e0\u5c0f\u65f6\u51fa\u6c14\u53ef\u80fd\u6bd4\u771f\u5b9e\u6f0f\u5927\u51e0\u4e2a\u91cf\u7ea7\uff0c\u6b64\u65f6\u6309 Q = \u0394p\u00b7V\/\u0394t \u7b97\u51fa\u6765\u7684\u662f\u51fa\u6c14\u3002\u8981\u5206\u6e05\uff0c\u5148\u6d4b\u672c\u5e95\u51fa\u6c14\u7387\u518d\u6263\u9664\uff1b\u7701\u6389\u8fd9\u6b65\uff0c\u7ed9\u51fa\u7684\u5c31\u662f\u300c\u6f0f + \u51fa\u6c14\u300d\u7684\u5408\u8ba1\u3002<\/p>\n

\"\u771f\u7a7a\u8154\u4f53\u5728\u6c26\u8d28\u8c31\u68c0\u6f0f\u53f0\u4e0a\u505a\u6700\u7ec8\u68c0\u6f0f\uff0c\u6d4b\u8bd5\u524d\u8154\u4f53\u5904\u4e8e\u65e0\u8d1f\u8377\u72b6\u6001\"
\u6700\u7ec8\u68c0\u6f0f\uff1a\u55b7\u6c26\u6cd5\u5728\u65e0\u8d1f\u8377\u72b6\u6001\u4e0b\u6267\u884c\uff0c\u8bfb\u6570\u4e0e\u4eea\u5668\u578b\u53f7\u4e00\u5e76\u8bb0\u5165\u68c0\u6d4b\u8bb0\u5f55\u3002<\/figcaption><\/figure>\n

3. \u5751\u4e8c\uff1a\u5355\u4f4d\u5dee\u5341\u500d<\/h2>\n

\u53e3\u8bed\u7528 mbar\u00b7L\/s\uff0c\u516c\u5f0f\u51fa Pa\u00b7m\u00b3\/s\uff0c1 mbar\u00b7L\/s = 0.1 Pa\u00b7m\u00b3\/s\u3002\u628a 1.5\u00d710\u207b\u2074 Pa\u00b7m\u00b3\/s \u8bfb\u6210 1.5\u00d710\u207b\u2074 mbar\u00b7L\/s\uff0c\u7b49\u4e8e\u81ea\u5df1\u628a\u8981\u6c42\u653e\u5bbd\u5341\u500d\u3002\u5408\u540c\u91cc\u7684\u5355\u4f4d\uff0c\u6bd4\u4ec0\u4e48\u90fd\u91cd\u8981\u3002<\/p>\n

4. \u5751\u4e09\uff1a\u6e29\u5ea6<\/h2>\n

Q = \u0394p\u00b7V\/\u0394t \u53ea\u6709\u4e09\u4e2a\u91cf\uff0c\u6ca1\u6709\u6e29\u5ea6\u9879\u3002\u539f\u59cb\u8d44\u6599\u672a\u8ba8\u8bba\u6e29\u5ea6\u5bf9\u538b\u5347\u7684\u5f71\u54cd\uff0c\u4e5f\u672a\u7ed9\u4fee\u6b63\u516c\u5f0f\uff08\u8d44\u6599\u672a\u6d89\u53ca\uff09\u3002\u6240\u4ee5\u542c\u5230\u300c\u538b\u964d\u6cd5\u5df2\u505a\u6e29\u5ea6\u8865\u507f\u300d\uff0c\u5148\u8981\u516c\u5f0f\uff1b\u7ed9\u4e0d\u51fa\u5c31\u662f\u6ca1\u6709\u3002\u8fd9\u4e5f\u662f\u6211\u4eec\u4e0d\u7528\u538b\u964d\u6cd5\u505a\u6700\u7ec8\u5224\u636e\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n

5. \u6c26\u68c0\u51ed\u4ec0\u4e48\u5230 10\u207b\u00b9\u00b3<\/h2>\n

\u8d28\u8c31\u5ba4\u5fc5\u987b\u5728 10\u207b\u2074 hPa \u4ee5\u4e0b\u5de5\u4f5c\uff0c\u8be5\u538b\u529b\u7531\u4eea\u5668\u81ea\u5e26\u6cf5\u7ec4\u7ef4\u6301\u3002\u5173\u952e\u662f\u6da1\u8f6e\u6cf5\uff1a\u5bf9\u7a7a\u6c14\u538b\u7f29\u6bd4\u6781\u9ad8\u3001\u5bf9\u8f7b\u6c14\u4f53\u4f4e\u51e0\u4e2a\u6570\u91cf\u7ea7\uff0c\u4e8e\u662f\u7a7a\u6c14\u88ab\u6321\u5728\u8d28\u8c31\u5ba4\u5916\u3001\u6c26\u80fd\u8fdb\u2014\u2014\u6da1\u8f6e\u6cf5\u5728\u6c26\u68c0\u91cc\u662f\u9009\u62e9\u6027\u8fc7\u6ee4\u5668\uff0c\u4e0d\u662f\u62bd\u6c14\u6cf5\u3002\u7ed3\u6784\u5206\u4e24\u8def\uff1a\u9006\u6d41\u5f0f\u91cf\u7a0b 1 ~ 10\u207b\u2079 Pa\u00b7m\u00b3\/s\uff0c\u4ea7\u7ebf\u6700\u5e38\u7528\uff1b\u4e3b\u6d41\u5f0f\u76f4\u63a5\u8fdb\u6c14\u3001\u7075\u654f\u5ea6\u6700\u9ad8\uff0c\u4f46\u8bd5\u4ef6\u4e0e\u4eea\u5668\u90fd\u8981\u62bd\u5230 10\u207b\u00b2 hPa\u3002\u53e6\u6709\u77f3\u82f1\u7a97\u578b\uff1a\u7845\u7247\u8f7d\u4f53\u6253\u51e0\u5343\u5b54\u3001\u8986 7 \u00b5m SiO\u2082 \u819c\uff0c\u53ea\u8ba9\u6c26\u6e17\u900f\uff0c\u68c0\u6d4b\u9650 5\u00d710\u207b\u2079\u3002<\/p>\n

6. \u4e09\u79cd\u505a\u6cd5\u5404\u80fd\u5230\u591a\u5c11<\/h2>\n

\u771f\u7a7a\u6cd5\u5916\u90e8\u55b7\u6c26\uff1a< 5\u00d710\u207b\u00b9\u00b3 Pa\u00b7m\u00b3\/s\uff0c\u524d\u63d0\u662f\u8bd5\u4ef6\u62bd\u7a7a\u3001\u5916\u9762\u625b 1000 hPa \u538b\u5dee\u3002\u5438\u67aa\u6cd5\uff1a< 1\u00d710\u207b\u2078\uff0c\u8bd5\u4ef6\u8981\u8010\u8fc7\u538b\u3002\u7d2f\u79ef\u6cd5\uff08\u5305\u58f3\u96c6\u6c14\uff09\uff1a\u4e3b\u8981\u7528\u4e8e > 1\u00d710\u207b\u2075\uff0c\u6162\u3002\u4e09\u4e2a\u6570\u6446\u5728\u4e00\u8d77\uff0c\u8981 10\u207b\u2079 \u4ee5\u4e0b\u7684\u5224\u5b9a\uff0c\u53ea\u6709\u771f\u7a7a\u6cd5\u914d\u8d28\u8c31\u8fd9\u4e00\u6761\u8def\uff1b\u5438\u67aa\u6cd5\u7684\u5730\u677f\u5728\u5927\u6c14\u6c26\u2014\u2014\u7a7a\u6c14\u91cc\u5929\u7136\u542b 5 ppm \u7684\u6c26\u3002<\/p>\n

7. \u5927\u8154\u4f53\u4e3a\u4ec0\u4e48\u68c0\u5f97\u6162<\/h2>\n

\u5206\u5b50\u6d41\u533a\uff08< 10\u207b\u00b3 hPa\uff09\u5feb\u6162\u7531\u8bd5\u4ef6\u5bb9\u79ef\u548c\u5bf9\u6c26\u7684\u6709\u6548\u62bd\u901f\u51b3\u5b9a\uff0c\u8154\u4f53\u8d8a\u5c0f\u3001\u62bd\u901f\u8d8a\u5927\u8d8a\u5feb\uff1b\u8fdb\u5165\u5c42\u6d41\u533a\uff08> 1 hPa\uff09\u7531\u524d\u7ea7\u6cf5\u62bd\u901f\u51b3\u5b9a\uff0c\u660e\u663e\u66f4\u6162\u3002\u540c\u6837\u7684\u6f0f\uff0c\u5927\u8154\u4f53\u7b49\u66f4\u4e45\u4e0d\u662f\u64cd\u4f5c\u95ee\u9898\uff0c\u662f\u51e0\u4f55\u95ee\u9898\u3002\u54cd\u5e94\u65f6\u95f4\u7b97\u8fdb\u53bb\u518d\u6392\u4ea7\uff0c\u6bd4\u4e8b\u540e\u89e3\u91ca\u5f3a\u3002<\/p>\n

8. \u73b0\u573a\u4e09\u4e2a\u8bef\u5224\u6e90<\/h2>\n

\u5927\u6c14\u6c26 5 ppm\uff0c\u5438\u67aa\u6cd5\u7684\u7075\u654f\u5ea6\u5730\u677f\uff0c\u4e5f\u662f\u8bef\u62a5\u8b66\u4e3b\u56e0\uff1b\u6cb9\u5c01\u524d\u7ea7\u6cf5\u628a\u6c26\u6eb6\u8fdb\u6cb9\u518d\u53cd\u6269\u6563\u56de\u9ad8\u771f\u7a7a\u4fa7\uff0c\u68c0\u5230\u5927\u6f0f\u540e\u8bfb\u6570\u6301\u7eed\u865a\u9ad8\uff0c\u5f00\u6c14\u9547\u6392\u6389\uff1b\u5f3a\u4fe1\u53f7\u540e\u4e0d\u5439\u626b\uff0c\u77f3\u82f1\u7a97\u673a\u578b\u53ef\u7528\u5927\u6c14\u7ecf\u8282\u6d41\u5b54\u81ea\u52a8\u5439\u626b\u4f20\u611f\u5668\uff0c\u5176\u4ed6\u673a\u578b\u53ea\u80fd\u7b49\u3002<\/p>\n

9. \u6211\u4eec\u8fd9\u8fb9\u600e\u4e48\u505a<\/h2>\n

\u51fa\u5382\u68c0\u6f0f\u7528\u6c26\u8d28\u8c31\uff0c\u6309\u9879\u76ee\u56fe\u7eb8\u7ea6\u5b9a\u7684\u5224\u636e\u6267\u884c\u3002\u5bf9\u5916\u62ab\u9732\u7684\u80fd\u529b\u662f 1\u00d710\u207b\u2079 Pa\u00b7m\u00b3\/s \u91cf\u7ea7\uff0c\u6bcf\u53f0\u90fd\u6d4b\u3001\u4e0d\u62bd\u68c0\u3002\u65b9\u6cd5\u53e3\u5f84\u53c2\u7167 GB\/T 36176-2018\uff08\u6c26\u8d28\u8c31\u771f\u7a7a\u68c0\u6f0f\u65b9\u6cd5\uff09\u4e0e GB\/T 32218-2015\uff08\u771f\u7a7a\u7cfb\u7edf\u6f0f\u7387\u6d4b\u8bd5\u65b9\u6cd5\uff09\uff0c\u62a5\u544a\u968f\u8d27\u3002\u538b\u964d\u6cd5\u5728\u8fd9\u91cc\u4e0d\u4f5c\u4e3a\u9a8c\u6536\u5224\u636e\uff0c\u539f\u56e0\u53ea\u6709\u4e00\u6761\uff1a\u5b83\u5206\u4e0d\u6e05\u6f0f\u548c\u51fa\u6c14\uff0c\u4e5f\u8bf4\u4e0d\u6e05\u6e29\u5ea6\u8bef\u5dee\u3002\u505a\u8fc7\u7a0b\u5224\u65ad\u548c\u7c97\u5b9a\u4f4d\uff0c\u538b\u964d\u6cd5\u5b8c\u5168\u591f\u7528\uff1b\u8981\u7b7e\u5b57\u7684\u90a3\u5f20\u7eb8\uff0c\u5f97\u7528\u6c26\u68c0\u3002<\/p>\n

\u68c0\u6f0f\u4e0d\u662f\u4e00\u9053\u5de5\u5e8f\uff0c\u662f\u4e00\u4e2a\u5224\u636e\u3002\u5224\u636e\u5199\u4e0d\u6e05\uff0c\u62a5\u544a\u5c31\u6ca1\u6709\u610f\u4e49\u3002\u5224\u636e\u6309\u9879\u76ee\u56fe\u7eb8\u7ea6\u5b9a\uff0c\u540c\u4e00\u5957\u5224\u636e\u9002\u7528\u4e8e\u8be5\u9879\u76ee\u7684\u6bcf\u4e00\u53f0\u8154\u4f53\u3002<\/p>\n

\u5e38\u89c1\u95ee\u9898<\/h2>\n

\u538b\u964d\u6cd5\u80fd\u4ee3\u66ff\u6c26\u68c0\u5417\uff1f<\/h3>\n

\u505a\u8fc7\u7a0b\u5224\u65ad\u53ef\u4ee5\uff0c\u505a\u9a8c\u6536\u5224\u636e\u4e0d\u884c\uff1a\u538b\u964d\u6cd5\u5206\u4e0d\u6e05\u6f0f\u4e0e\u51fa\u6c14\uff0c\u4e5f\u6ca1\u6709\u6e29\u5ea6\u4fee\u6b63\u9879\u3002\u8981\u7b7e\u5b57\u7684\u90a3\u5f20\u7eb8\uff0c\u5f97\u7528\u6c26\u68c0\u3002<\/p>\n

\u6c26\u68c0\u80fd\u505a\u5230\u4ec0\u4e48\u91cf\u7ea7\uff1f<\/h3>\n

\u771f\u7a7a\u6cd5\u5916\u90e8\u55b7\u6c26\u53ef\u5230 5\u00d710\u207b\u00b9\u00b3 Pa\u00b7m\u00b3\/s \u91cf\u7ea7\uff1b\u6211\u65b9\u51fa\u5382\u68c0\u6f0f\u6309\u9879\u76ee\u56fe\u7eb8\u5224\u636e\u6267\u884c\uff0c\u5bf9\u5916\u62ab\u9732\u7684\u80fd\u529b\u662f 1\u00d710\u207b\u2079 Pa\u00b7m\u00b3\/s \u91cf\u7ea7\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u5927\u8154\u4f53\u68c0\u6f0f\u8981\u7b49\u5f88\u4e45\uff1f<\/h3>\n

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