鎽� 瑕侊細鏈枃瑷�(sh猫)瑷�(j矛)骞跺埗浣滀簡涓€娆惧熀浜庣祫鍚堝紡鍌虫劅鍣ㄧ殑鏁�(sh霉)瀛楅浕鑳借〃绯荤当(t菕ng)鐨勭‖浠堕浕璺�銆傞噰鐢ㄤ簡TI鍏徃鐨凪SP430绯诲垪鐨勫柈鐗囨(j墨)渚嗗(sh铆)鐝�(xi脿n)灏�(du矛)闆绘祦闆诲淇¤櫉(h脿o)鐨勯噰闆嗚檿鐞�銆佸弮鏁�(sh霉)瑷�(j矛)绠楀強閫氳▕绛夊姛鑳斤紝骞朵笖鍦ㄤ粙绱归浕璺殑鍚屾檪(sh铆)瑾槑浜嗕竴浜涘(sh铆)闅涢噰鐢ㄧ殑鎻愰珮绯荤当(t菕ng)鍙潬鎬у強闆荤鍏煎鎬х殑鏂规硶锛屾墍瑷�(sh猫)瑷�(j矛)鐨勭郴绲�(t菕ng)閬�(d谩)鍒颁簡姣旇純濂界殑娓�(c猫)閲忕簿搴�銆� 闂�(gu膩n)閸靛瓧: 闆昏兘琛�;鍌虫劅鍣�;鍠墖姗�(j墨) Abstract: A digital wattmeter system based on multi-sensors is designed and made. MSP430 MCU, made by TI Corporation, is used for sampling, processing and communicating. Moreover, some approaches to enhance the reliability of the system and integration are also designed. The electronic combined transducer works well and has good precision. Keywords: Wattmeter System; Sensor; Single Chip Computer 1 寮曡█ 銆€銆€闆昏兘琛ㄦ槸涓€鑷�(t谩i)浠ヨ▓(j矛)绠楀紡鍔熺巼涔樻硶鍣ㄧ偤鏍稿績鐨勫閫氶亾鏁�(sh霉)鎿�(j霉)閲囬泦铏曠悊寰(j墨)绯荤当(t菕ng)銆傞€氶亷鎵€鐮斿埗鐨勯浕娴佸偝鎰熷櫒鍜岄浕澹撳偝鎰熷櫒灏�(du矛)灏囪几鍏ョ殑浜ゆ祦闆绘祦銆侀浕澹撶灛鏅�(sh铆)鍊奸€�(j矛n)琛岄噰闆�锛屽啀缍�(j墨ng)婵炬尝銆佺⿳鍒嗐€佹斁澶х瓑闆昏矾鎸夋瘮渚嬭綁(zhu菐n)鎻涚偤鍙互琚獳DC閲囨ǎ鐨勮(gu墨)鏍煎寲闆诲锛屽啀閫氶亷12浣岮/D杞�(zhu菐n)鎻涢浕璺噺鍖栫偤12浣嶆暩(sh霉)瀛楅噺锛堜簩閫�(j矛n)鍒惰(b菙)纰硷級锛岄€欏叐鍊�(g猫)鍚屾檪(sh铆)閲忓寲鐨勬暩(sh霉)瀛楅噺鐢变箻娉曠疮鍔犲櫒鐩镐箻绱姞锛岀劧鍚庡皣涓€鍊�(g猫)閲囨ǎ鍛ㄦ湡鐨勭疮鍔犺几鍑轰俊铏�(h脿o)閫佸叆MSP430鍠墖姗�(j墨)鐨凜PU鍔犱互瑷�(j矛)绠楄檿鐞嗗悗锛屽緱鍑洪浕鑳�銆佹湁鍔熷姛鐜�銆佺劇鍔熷姛鐜囦互鍙婂姛鐜囧洜鏁�(sh霉)绛夐浕鍙冩暩(sh霉)銆傜郴绲�(t菕ng)涓爯(y霉)鐣欎簡LCD椤ず妯″鐨勬帴鍙�锛屽彲浠ュ皣鎵€闇€瑕佺殑闆诲弮鏁�(sh霉)椤ず鍑轰締銆傜郴绲�(t菕ng)閭勬彁渚涗簡鑸囦笂浣嶆(j墨)閫氳▕鐨勫姛鑳�锛屽彲浠ョ敱涓婁綅姗�(j墨)鎺у埗锛屽苟璁€鍙栫暥(d膩ng)鍓嶇殑闆诲弮鏁�(sh霉)锛屽(sh铆)鐝�(xi脿n)灏�(du矛)闆昏兘琛ㄧ殑閬�(yu菐n)绋嬫帶鍒躲€傞噰闆嗙郴绲�(t菕ng)鍏锋湁妯℃摤鍜屾暩(sh霉)瀛楀叐绋几鍑�锛屽彲鍚屾檪(sh铆)鐐鸿▓(j矛)閲忓拰淇濊(h霉)瑁濈疆鎻愪緵鎵€闇€瑕佺殑淇¤櫉(h脿o)銆� 瑭虫儏璜�(q菒ng)榛�(di菐n)鎿婏細鍩轰簬绲勫悎寮忓偝鎰熷櫒鐨勬暩(sh霉)瀛楅浕鑳借〃绯荤当(t菕ng)瑷�(sh猫)瑷�(j矛)