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\u5728\u8a31\u591a\u88fd\u4f5c\u4e2d\u5e38\u6703\u4f7f\u7528\u5230\u5145\u96fb\u6c60\u6216\u662f\u4e00\u822c\u96fb\u6c60\uf92d\u7576\u6210\u96fb\u6e90\uff0c\u4f46\u7e3d\uf967\u80fd\u7528\u5230\u6c92\u96fb\u6642\u624d\u77e5\u9053\uff0c\u5230\u6642\u4e0a\uf967\uf9ba\u5834\uff0c\u5c31\u51fa\u5929\u7a97\uf9ba\uff0c\u6240\u4ee5\u6536\u96c6\uf9ba\u5e7e\u500b\u76f8\u95dc\u7684\u96fb\uf937\uff0c\u4f9b\u5927\u5bb6\uf96b\u8003:<\/p>\n\n\n\n

\u9019\u500b\u7c21\u55ae\u7684\u96fb\uf937\u53ef\u4ee5\u5075\u6e2c\u96fb\u6c60\u7684\u96fb\u58d3\uff0c\u7576\u96fb\u58d3\u4f4e\u65bc\u7531\u53ef\u8b8a\u96fb\u963b VR1 \u6240\u9810\u8a2d\u7684\u96fb\u58d3\u6642\uff0cLED\u6703\uf977\u8d77\uff0c\u5be6\u969b\u4e0aVR1\u53ca\u76f8\u95dc\u7684\u96fb\u963b\u6210\u70baQ1 (ON) \u7684\u504f\u58d3\u4fdd\u6301Q2(OFF)\u4f7f LED \u4e5f\u662f OFF \u7684\uff0c\u7576\u96fb\u6c60\u96fb\u58d3\u9010\u6f38\ufa09\u4f4e\u81f3\u6240\u9810\u8a2d\u7684\u96fb\u58d3\u4e4b\u4e0b\uff0cQ1\u6210\u70ba OFF \uf9fa\u614b\uff0c\u8f49\u800c\u4f7f Q2 \u6210\u70baON\uff0c\u4f7f LED \uf977\u8d77\u3002\u9019\u500b\u96fb\uf937\u53ef\u6b63\u5e38\u5de5\u4f5c\u65bc 12V \u4ee5\u4e0b\u7684\u96fb\u6c60\u3002
\u4f60\u53ef\u5148\u4f7f\u7528\u4e00\u500b\u53ef\u8b8a\u96fb\u6e90\u4f9b\u61c9\u5668\uff0c\u5148\u8abf\u6574\u4f60\u5e0c\u671b\u6307\u793a\u7684\u4f4e\u96fb\u58d3\uff0c\u63a5\u4e0a\u96fb\uf937\uff0c\u8abf\u6574VR1 \u81f3\u958b\u59cb\uf977\u8d77\u6216\u95dc\u6697\u7684\uf9f6\u754c\u503c\u3002<\/p>\n\n\n\n

\u6a21\u578b\u9059\u63a7\u76f4\u5347\u6a5f 5.2V NiCad \u96fb\u6c60\u4f4e\u58d3\u6307\u793a(2):<\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

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\u96fb\u6c60\u4f4e\u58d3\u6307\u793a(3):<\/strong><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\u4ee5\u96fb\u6676\u9ad4\u7684\u5c0e\u901a\uf92d\uf96f\uff0c\u5728B\u53caE\u6975\u4e0a\u5927\u7d04\u8981 0.6V \u5de6\u53f3\u7684\u504f\u58d3\u624d\u6210\uf9f7\uff0c\u9019\u500b\u96fb\u58d3\u5c31\u7531 50K \u7684\u53ef\u8b8a\u96fb\u963b\uf92d\u8abf\u6574\uff0c\u5982\u679c\u9019\u500b\u53ef\u8b8a\u96fb\u963b\u8abf\u81f3\u6700\u4f4e\u6642\uff0c\u90a3\u5728 50K VR\u4e0a\u7684\u58d3\ufa09\u7d04\u70ba 1.364V (50\/22*0.6)\uff0c\u5728\uf978\u500b\uf905\uf997\u7684\u96fb\u963b\u4e0a\u7684\u58d3\ufa09\u5c31\u662f 1.964(1.364+0.6)\uff0c\u6240\u4ee5\u96fb\uf937\u7684\u52d5\u4f5c\uf9f6\u754c\u96fb\u58d3\u5c31\u662f 1.964V+3.9V=5.864V\uff0c\u6240\u4ee5\u4e0a\u8abf\u53ef\u8b8a\u96fb\u963b\u53ef\u4ee5\ufa09\u4f4e\uf9f6\u754c\u96fb\u58d3\uff0c\u6240\u4ee5\u6574\u500b\u96fb\uf937\u53ef\u8abf\u6574\u7684\uf9f6\u754c\u96fb\u58d3\u7bc4\u570d\u662f4.5V(3.9+0.6)~5.864V \u4e4b\u9593\u3002\u7576\u96fb\u58d3\u9ad8\u65bc\u9810\u8a2d\u96fb\u58d3\u6642\u53f3\u65b9\u7684\u96fb\u6676\u9ad4\u5448 ON\uff0c\u53f3\u65b9\u7684\u96fb\u6676\u9ad4 B \u6975\u7b49\u65bc\u63a5\u5730\uff0c\u6c92\u6709\u5c0e\u901a\uff0c\u6240\u4ee5 LED \u5c31\uf967\uf977\uf9ba\u3002\u7576\u96fb\u58d3\u5c0f\u65bc\u9810\u8a2d\u96fb\u58d3\uff0c\u53f3\u65b9\u96fb\u6676\u9ad4OFF\uff0c\u5de6\u65b9\u96fb\u6676\u9ad4 B \u6975\u7d93 10 \u96fb\u963b\u7372\u5f97\u504f\u58d3\uff0c\u5c0e\u901a\uff0cLED\uf977\u8d77\u3002
\u6240\u4ee5\u5982\u679c\u4f60\u5b78\u6703\u4ee5\u4e0a\u7684\u8a08\u7b97\uff0c\u662f\uf967\u662f\u53ef\u4ee5\u6539\u8b8a\u7a3d\u7d0d\u4e8c\u6975\u9ad4\u7684\u96fb\u58d3\uff0c\u5f97\u5230\u81ea\u5df1\u60f3\u8981\u9810\u8a2d\u8abf\u6574\u7bc4\u570d\u3002<\/p>\n\n\n\n

\u901a\u96fb\/\u96fb\u6c60\u4f4e\u58d3\u6307\u793a(4):<\/strong>
\u4ee5\u4e0b\u9019\u500b\u96fb\uf937\u7576\u96fb\u6c60 OK \u6642\u5b83\u6703\u6307\u793a\uf93d\u8272\u7684LED\uff0c\u7576\u6210\u64cd\u4f5c\u671f\u9593\u7684\u96fb\u6e90\u6307\u793a
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\n
\"\"<\/figure>\n<\/div>\n\n\n

\u4e00\u822c\uf93d\u8272 LED \u7684\u9ede\uf977\u96fb\u58d3\u7d04 2V\uff0c\uf967\u540c\u7684\u5de5\u5ee0\u7522\u54c1\u53ef\u80fd\u6709\u4e9b\u8a31\u7684\uf967\u540c\uff0c\u52a0\u4e0a B\u3001E \u6975\u7684\u504f\u58d3(0.6V)\uff0c\u6240\u4ee5\u52a0\u5728 B \u6975\u7684\u96fb\u58d3\u9700\u8981\u5728 2.6V \u624d\u80fd\u9ede\uf977\u9019\u500b\uf93d\u8272 LED(\u57283.3K \u96fb\u963b\u4e0a\u7684\u58d3\ufa09)\uff0c\u4ee5\u96fb\uf937\u800c\u8a00 10K \u4e26\uf997 47K \u96fb\u963b\u7d04\u70ba8.26K\uff0c\u6240\u4ee5\u4f9b\u96fb\u96fb\u58d3\u8981\u5728 9.1V \u4ee5\u4e0a\u672b\u80fd\u8b93\uf93d\u8272 LED \uf977\u8d77[ 2.6\/3.3K*(3.3+8.26K) ]\uff0c\u4f4e\u65bc\u9019\u500b\u96fb\u58d3\u6642\u96fb\u6676\u9ad4\u6703\u662f\u8655\u65bc OFF \u7684\uf9fa\u614b\u7684\uff0c\u9019\u6642\u7d05\u8272\u7684 LED \u6703\uf977\u8d77\uf92d\uff0c\u9ad8\u65bc\u9019\u500b\u96fb\u58d3\u6642\u7d05\u8272\u7684 LED \u7184\u6ec5\u3002\u7576\u7136\u5982\u540c\u524d\u9762\u5e7e\u500b\uf9b5\u5b50\uff0c\u4ee5\u6539\u8b8a\u96fb\u963b\u503c\uf92d\u6539\u8b8a\uf9f6\u754c\u96fb\u58d3\u3002<\/p>\n\n\n\n

George Liao. 7\/16\/2007
\u7248\u6b0a\u6240\u6709\uff0c\u8acb\u52ff\u8f49\u8cbc
\u55ac\u6cbb\u67e5\u723e\u65af\u96fb\u5b50\u96fb\uf937\u7db2<\/p>\n\n\n\n

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