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璁婇牷鍣ㄦ暩(sh霉)瀛楁帶鍒剁郴绲�(t菕ng)鐨勭‖浠堕儴鍒�锛屽寘鎷井铏曠悊鍣�銆佹帴鍙ｉ浕璺強澶栧湇瑷�(sh猫)鍌欙紝鍏朵腑寰檿鐞嗗櫒鏄郴绲�(t菕ng)鐨勬帶鍒舵牳蹇�锛屽畠閫氶亷(gu貌)鍏�(n猫i)閮ㄦ帶鍒剁▼搴�锛屽皪(du矛)寰炶几鍏ユ帴鍙ｈ几鍏ョ殑鏁�(sh霉)鎿�(j霉)閫�(j矛n)琛岃檿鐞�锛屽畬鎴愭帶鍒惰▓(j矛)绠楃瓑宸ヤ綔锛岄€氶亷(gu貌)杓稿嚭鎺ュ彛闆昏矾鍚戝鍦嶇櫦(f膩)鍑哄悇绋帶鍒朵俊铏�(h脿o)锛屽鍦嶈ō(sh猫)鍌欓櫎浜嗘娓�(c猫)鍏冧欢鍜屽煼(zh铆)琛屾(j墨)妲�(g貌u)锛岄倓鍖呮嫭鍚勭ó鎿嶄綔銆侀’绀轰互鍙婇€氫俊瑷�(sh猫)鍌�銆�

鏈枃閲囩敤TI鍏徃鐨凾MS320F240鑷瑷�(sh猫)瑷�(j矛)浜嗕竴娆剧敤浜庨珮閫熼浕姗�(j墨)瑾�(di脿o)閫熺郴绲�(t菕ng)鐨勬暩(sh霉)瀛楁帶鍒跺櫒锛岄牷鐜囧彲浠ラ€氶亷(gu貌)閸电洡(p谩n)鏁�(sh霉)瀛楃郸瀹氭垨鑰呮ā鎿郸瀹�锛屽悓鏅�(sh铆)灏�(du矛)瀹冪殑鍔熻兘鍜屾妧琛�(sh霉)鍋氫簡绨�(ji菐n)瑕佺殑鍒嗘瀽锛屽苟绲﹀嚭浜嗛浕姗�(j墨)鍦�18000r/min绌�(w臎n)鎱�(t脿i)閬�(y霉n)琛屾檪(sh铆)鎺у埗鍣ㄧ殑杓稿嚭娉㈠舰銆�

1鏁�(sh霉)瀛楁帶鍒跺櫒鐨勭‖浠剁祼(ji茅)妲�(g貌u)妗嗗湒鍜屽伐浣滃師鐞�

鏁�(sh霉)瀛楁帶鍒跺櫒鐨勭‖浠朵互TMS320F240瀹氶粸(di菐n)DSP鐐篊PU锛孋Y7C199鐐哄閮ㄦ暩(sh霉)鎿�(j霉)鍜岀▼搴忓瓨鍎�(ch菙)鍣�锛屾暩(sh霉)鎿�(j霉)鍜岀▼搴忓瓨鍎�(ch菙)鍣ㄥ悇32K锛�16璺殑妯℃摤/鏁�(sh霉)瀛楄几鍏ラ€氶亾锛屽叾涓竴璺彲浠ョ敤渚�(l谩i)閫�(j矛n)琛屾ā鎿牷鐜囩郸瀹氾紱浣跨敤浜�8浣嶆暩(sh霉)瀛桰/O鍙�锛屽彲浠ョ敤閸电洡(p谩n)閫氶亷(gu貌)I/O鍙ｄ締(l谩i)閫�(j矛n)琛屾暩(sh霉)瀛楅牷鐜囩郸瀹�锛�4璺�12浣嶇殑鏁�(sh霉)瀛�/妯℃摤杞�(zhu菐n)鎻涢€氶亾锛岀敤浜庨浕姗�(j墨)杓稿嚭淇¤櫉(h脿o)鎺у埗锛汻S232鍜孲PI绯诲垪鍏煎鎺ュ彛锛屽叾涓皣SPI鐢ㄤ綔璁婇牷瑾�(di脿o)閫熸檪(sh铆)闆绘(j墨)闋荤巼鐨凩ED椤ず锛屽皣SCI鍙ｆ摯(ku貌)鍏呮垚RS232鎺ュ彛锛屽叾鍔熻兘甯冪疆妗嗗湒濡傚湒1鎵€绀�銆�

鍦�1锛氭暩(sh霉)瀛楁帶鍒跺櫒鐨勭‖浠剁祼(ji茅)妲�(g貌u)绀烘剰鍦�銆�

闆绘(j墨)鎴栬€呴€嗚畩鍣ㄧ殑宸ヤ綔闋荤巼閫氶亷(gu貌)閸电洡(p谩n)绲﹀畾锛屽悓鏅�(sh铆)锛屽叾闋荤巼椤ず閫氶亷(gu貌)DSP鍏�(n猫i)閮ㄧ殑椤ず绋嬪簭鍥為’鍦↙ED涓�锛岀暥(d膩ng)鎸変笅閬�(y霉n)琛岄嵉浠ュ悗锛岄嵉鐩�(p谩n)瑷�(sh猫)瑷�(j矛)闋荤巼琚€佸埌鐢�(ch菐n)鐢熺┖闁撻浕澹撶煝閲忕殑SVPWM铏曠悊瀛愮▼搴�锛岀敓鎴愮殑SVPWM娉㈠舰閫氶亷(gu貌)GAL鍣ㄤ欢淇濊(h霉)鍚庤几鍑猴紝鑸囨鍚屾檪(sh铆)锛岄浕鍕�(d貌ng)姗�(j墨)鎴栬€呰畩闋诲櫒鐨勫(sh铆)鏅�(sh铆)閬�(y霉n)琛屽嫊(d貌ng)鎱�(t脿i)闋荤巼閫氶亷(gu貌)LED椤ず銆傛浜ょ法纰艰剤娌栧彲浠ユ帴鍏ラ浕姗�(j墨)鐨勫厜闆荤法纰煎櫒锛屽皪(du矛)绯荤当(t菕ng)妲�(g貌u)鎴愰€熷害鐠�(hu谩n)鍙嶉锛孉/D妯″鍙互鎺ュ叆闆绘(j墨)鐨勯浕娴佺挵(hu谩n)锛岃嚦浜庤畩闋昏(di脿o)閫熺郴绲�(t菕ng)鐨勪繚璀�(h霉)涓柗婧愮敱DSP鐨勫紩鑵砅DPINT鎻愪緵锛屼富瑕佹槸閬�(gu貌)澹�銆侀亷(gu貌)娴併€佹帶鍒堕浕澹撴瑺澹�銆侀亷(gu貌)鐔辩瓑涓柗婧愩€傞浕姗�(j墨)鐨勯€熷害鎴栬€呴€嗚畩鍣ㄧ殑杓稿嚭闋荤巼鍙互閫氶亷(gu貌)閸电洡(p谩n)鏀硅畩銆�

2纭欢瑷�(sh猫)瑷�(j矛)

鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊鍣ㄦ槸鏁�(sh霉)瀛楁帶鍒跺櫒鐨勬牳蹇冮儴鍒嗭紝涔熸槸鏁�(sh霉)瀛楁帶鍒跺櫒灏�(du矛)淇¤櫉(h脿o)鐨勬娓�(c猫)銆佹烤娉€€佹暣褰�锛屾牳蹇冪畻娉曠殑瀵�(sh铆)鏅�(sh铆)瀹屾垚浠ュ強椹�(q奴)鍕�(d貌ng)淇¤櫉(h脿o)鐨勭敘(ch菐n)鐢�锛岀郴绲�(t菕ng)鐨勭洠(ji膩n)鎺�銆佷繚璀�(h霉)绛夊姛鑳界殑鏍稿績閮ㄥ垎銆傛暩(sh霉)瀛楁帶鍒跺櫒鐨勫姛鑳芥ā濉婅ō(sh猫)瑷�(j矛)濡備笅銆�

2.l鏁�(sh霉)鎿�(j霉)鍜岀▼搴忓瓨鍎�(ch菙)鍣ㄧ殑瑷�(sh猫)瑷�(j矛)

DSP鏄竴绋珮閫熷瓨鍙栧櫒浠�锛屽皪(du矛)浜庡鍦嶆帴鍙ｈ姱鐗囨湁杓冮珮鐨勮姹�锛岄洊鐒禗SP鏈韩鍙互杌熶欢鎻愪緵0~7鍊�(g猫)绛夊緟鐙€鎱�(t脿i)渚�(l谩i)婊胯冻鑸囩墖澶栧瓨鍙栧櫒浠堕€熷害鐨勫尮閰�锛屼絾鏄偤浜嗕笉鑷充簬褰遍熆鏁村€�(g猫)绯荤当(t菕ng)鐨勬帶鍒跺拰浠跨湡鍔熻兘锛屼竴鑸噰鐢ㄥ瓨鍙栭€熷害姣旇純楂樼殑瀛樺劜(ch菙)鍣ㄤ締(l谩i)鍋氱偤DSP鐨勭墖澶栨暩(sh霉)鎿�(j霉)鍜岀▼搴忓瓨鍎�(ch菙)鍣�銆傛湰鏂囬噰鐢–Y7C199瀛樺劜(ch菙)鍣紝瀛樺彇鏅�(sh铆)闁�15ns锛屽畬鍏ㄤ笉鐢ㄦ彁渚涜粺浠剁瓑寰呯媭鎱�(t脿i)涔熶笉鐢ㄥ姞纭欢绛夊緟闆昏矾锛屽洜?y脿n)?锛孋Y7C199鏄�32K鐨�8浣嶅瓨鍎�(ch菙)鍣�锛屾墍浠ワ紝浣跨敤浜�4鐗囪┎瀛樺劜(ch菙)鍣ㄧ祫鎴愪簡32K鐨�16浣嶅瓨鍎�(ch菙)鍣≧AM锛屾暩(sh霉)鎿�(j霉)鍜岀▼搴忓悇32K銆�

2.2DSP寰�(f霉)浣嶅強鏅�(sh铆)閻橀浕璺殑瑷�(sh猫)瑷�(j矛)

鐐轰簡浣跨郴绲�(t菕ng)琚京(f霉)浣嶄俊铏�(h脿o)姝ｇ⒑鍦板垵濮嬪寲锛屽皪(du矛)寰�(f霉)浣嶄俊铏�(h脿o)鐨勮剤娌栧搴﹀繀闋堟湁涓€瀹氱殑瑕佹眰銆傚皪(du矛)浜嶵MS320F240鑰岃█锛屽京(f霉)浣嶄俊铏�(h脿o)鑷冲皯瑕乴ms銆備笉閬�(gu貌)涓婇浕涔嬪悗锛岀郴绲�(t菕ng)鐨勬尟钑╁櫒閬�(d谩)鍒扮┅(w臎n)瀹氬伐浣滅媭鎱�(t脿i)闇€瑕�20ms鐢氳嚦鏇撮暦(zh菐ng)鐨勬檪(sh铆)闁�锛屼竴鑸締(l谩i)瑾�(shu艒)涓婇浕寰�(f霉)浣嶆檪(sh铆)锛屽湪寰�(f霉)浣嶅紩鑵充笂缃�100~200ms鐨勪竴鍊�(g猫)浣庨浕骞宠剤娌栨槸姣旇純鍚堥仼鐨�銆傛牴鎿�(j霉)閫欎竴鍘熷墖锛岄噰鐢∕AXIM鍏徃鐨勯泦鎴愬井铏曠悊鍣ㄧ洠(ji膩n)鎺у京(f霉)浣嶉浕璺締(l谩i)瀹屾垚锛屾湰鏂囦娇鐢ㄤ簡MAX705銆侻AX705鐩�(ji膩n)鎺ц姱鐗�锛岃垏鍌崇当(t菕ng)鐨勫垎绔嬪厓鍣ㄤ欢绲勬垚鐨勫井姗�(j墨)鐩�(ji膩n)鎺ч浕璺瘮杓�锛屽畠鐨勫彲闈犳€ч珮銆佸嫊(d貌ng)鎱�(t脿i)闊挎噳(y墨ng)濂斤紝鍔熻€楀皬銆佽ō(sh猫)瑷�(j矛)绨�(ji菐n)鍠€侀珨绌嶅皬锛屽湪闆诲瓙鐢�(ch菐n)鍝佽ō(sh猫)瑷�(j矛)涓凡寰楀埌寤ｆ硾鐨勬噳(y墨ng)鐢�銆�

鍦ㄨō(sh猫)瑷�(j矛)涓�锛屾檪(sh铆)閻樺線寰€涓嶈浜哄厖鍒嗗湴閲嶈锛屽叾瀵�(sh铆)锛屾檪(sh铆)閻樻槸闆昏矾瑷�(sh猫)瑷�(j矛)涓潪甯搁噸瑕佺殑涓€鍊�(g猫)鐠�(hu谩n)绡€(ji茅)銆侱SP鏅�(sh铆)閻樻棦鍙敱澶栭儴鎻愪緵锛屼害鍙敱鏉夸笂鐨勬尟钑╁櫒渚�(l谩i)鎻愪緵銆傜敱浜嶥SP鍙婂叾瀹冭姱鐗囧伐浣滈兘鏄互鏅�(sh铆)閻樼偤鍩烘簴(zh菙n)鐨�锛屽鏋滄檪(sh铆)閻樿唱(zh矛)閲忎笉楂�锛岄偅涔堢郴绲�(t菕ng)鐨勫彲闈犳€с€佺┅(w臎n)瀹氭€у氨寰堥洠淇濊瓑銆傛湰鏂囬噰鐢ㄥ閮ㄦ檪(sh铆)閻樿几鍏�锛岀敱鏈夋簮鏅舵尟鐢�(ch菐n)鐢�10MHz鑴堟矕锛岄€氶亷(gu貌)瑕嗛妳鍜屼覆鎺C婵炬尝闆昏矾渚�(l谩i)鎶戝埗澶栫晫骞叉摼锛屼繚璀変簡绯荤当(t菕ng)鐨勭┅(w臎n)瀹氬伐浣�銆�

2.3RS232鐨勪覆琛屽彛闆昏矾瑷�(sh猫)瑷�(j矛)

RS232鏄編鍦�(gu贸)闆诲瓙宸ユキ(y猫)鍗�(xi茅)鏈�(hu矛)浜�1960骞寸櫦(f膩)甯冪殑涓茶閫氫俊鎺ュ彛妯�(bi膩o)婧�(zh菙n)锛岀洰鍓嶆噳(y墨ng)鐢ㄥ唬娉涚殑鏄疪S232C鍜孯S232D銆�

RS232C鐨勬(bi膩o)婧�(zh菙n)閫ｆ帴鐐篋B25锛庝絾鍦ㄥ(sh铆)闅涙噳(y墨ng)鐢ㄤ腑閲囩敤闈炴(bi膩o)婧�(zh菙n)鐨凞B9閫ｆ帴锛屽(sh铆)闅涙噳(y墨ng)鐢ㄤ腑鏍规摎(j霉)闇€瑕佸皪(du矛)瀹氱京鐨勫紩鑵抽€�(j矛n)琛屽彇鑸�銆俁S232C闆绘埃鐗规€ф渶澶х殑鐗归粸(di菐n)鏄噰鐢ㄤ簡璨�(f霉)閭忚集锛岄倧杓痩鐨勯浕骞虫槸-3V~-15V锛岄倧杓�0鐨勯浕骞虫槸+3V~+15V锛屽洜姝�锛屽湪浣跨敤涓湁涓€鍊�(g猫)闆诲钩杞�(zhu菐n)鎻涙帴鍙ｇ殑鍟�(w猫n)椤�銆傛湰鏂囦腑閲囩敤鑷崌澹撶殑闆嗘垚鑺墖MAX232C渚�(l谩i)妲�(g貌u)鎴�锛屽彧鐢�+5V闆绘簮渚�(l谩i)渚涢浕锛岄浕骞宠綁(zhu菐n)鎻涙墍闇€鐨劼�10V闆绘簮鐢辩墖鍏�(n猫i)闆昏嵎娉电敘(ch菐n)鐢�銆傚湪鎺у埗鍣ㄥ仛濂戒互鍚�锛岄€�(j矛n)琛屼簡瑷�(j矛)绠楁(j墨)鐨勪覆琛岄€氫俊鎺ュ彛锛圫CI锛夋椹�(y脿n)锛屾暩(sh霉)鎿�(j霉)閫氫俊鏀剁櫦(f膩)姝ｅ父锛岃兘澶犵┅(w臎n)瀹氬伐浣溿€�

2.4D/A杓稿嚭鍔熻兘濉婄殑瑷�(sh猫)瑷�(j矛)

鍦ㄦ暩(sh霉)瀛楁帶鍒剁郴绲�(t菕ng)涓�锛孌/A鍜孉/D闆昏矾鏄繀涓嶅彲灏戠殑锛屾牴鎿�(j霉)鍚勭ó閬�(y霉n)鐢ㄥ牬(ch菐ng)鍚堜笉鍚�锛岀郴绲�(t菕ng)灏�(du矛)D/A銆丄/D鐨勯€熷害瑕佹眰涔熶笉涓€妯ｃ€傛湰鏂囦腑浣跨敤鐨勬槸骞惰杓稿叆鐨凞/A鑺墖DAC7625锛屽畠鏄�12浣嶆暩(sh霉)鎿�(j霉)骞惰杓稿叆锛�4璺ā鎿几鍑虹殑D/A杞�(zhu菐n)鎻涘櫒銆傚叾寤虹珛鏅�(sh铆)闁撴槸10渭s锛屽姛鑰�20mW锛岄浕婧愬彲浠ラ噰鐢ㄥ柈闆绘簮+5V鍜岄洐闆绘簮卤5V渚涢浕锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闆绘(j墨)鎺у埗鍜屾暩(sh霉)鎿�(j霉)閲囬泦绛�銆傛暩(sh霉)妯¤綁(zhu菐n)鎻涘櫒DAC鐨勬暩(sh霉)鎿�(j霉)杓稿叆渚�(l谩i)鑷狣SP鐨勯珮12浣�锛岄€氶亷(gu貌)74LS245閫佸埌DAC7625鐨勬暩(sh霉)鎿�(j霉)绔�锛岄噰鐢ㄥ柈闆绘簮+5V渚涢浕锛屽弮鑰冮浕澹揤HEFH浣跨敤绮惧瘑绌�(w臎n)澹撳櫒浠舵彁渚涚殑+2.5V锛孷HEFL妯℃摤鍦�锛屽叾杓稿嚭閫�

閬�(gu貌)閬�(y霉n)绠楁斁澶у櫒TLCH2272閫�(j矛n)琛屾斁澶э紝杓稿嚭鑼冨湇鐐�0~+5V銆�

2.5閸电洡(p谩n)杓稿叆鎺ュ彛闆昏矾鍜孡ED椤ず闆昏矾瑷�(sh猫)瑷�(j矛)

閸电洡(p谩n)鍜屼竷娈礚ED椤ず鍣ㄦ槸寰瀷瑷�(j矛)绠楁(j墨)绯荤当(t菕ng)鏈€甯哥敤鐨勮几鍏�銆佽几鍑烘矑(m茅i)鍌�銆傚畠鏄(sh铆)鐝�(xi脿n)浜烘(j墨)涔嬮枔閫�(j矛n)琛屼俊鎭氦鎻涚殑涓昏閫氳矾銆傞嵉鐩�(p谩n)鐨勫姛鑳藉氨鏄妸浜哄€戣铏曠悊鐨勬暩(sh霉)鎿�(j霉)銆佸懡浠ょ瓑杞�(zhu菐n)鎻涙垚瑷�(j矛)绠楁(j墨)璀�(sh铆)锛焑鐨勪簩閫�(j矛n)鍒朵唬纰�锛屽嵆瑷�(j矛)绠楁(j墨)鑳借瓨(sh铆)鍒ョ殑绗﹁櫉(h脿o)锛涗竷娈礚ED椤ず鍣ㄥ墖鏄妸瑷�(j矛)绠楁(j墨)鐨勯亱(y霉n)绠楃祼(ji茅)鏋�銆佺媭鎱�(t脿i)绛変唬纰艰綁(zhu菐n)鎻涙垚鐐轰汉鍊戣兘璀�(sh铆)锛焑鐨勭铏�(h脿o)椤ず鍑轰締(l谩i)銆傞嵉鐩�(p谩n)鏄▓(j矛)绠楁(j墨)绯荤当(t菕ng)鐨勪富瑕佽几鍏ユ矑(m茅i)鍌�锛岀壒锛焑鏄湪寰檿鐞嗗櫒涓紝閸电洡(p谩n)瑷�(sh猫)姹佹垚鐐哄繀鐒�銆傛湰鏂囧湪瑷�(sh猫)瑷�(j矛)鏅�(sh铆)鑰冩叜鍒癉SP铏曠悊閫熷害鐨勫揩閫熸€�锛屽皪(du矛)浜庨嵉鐩�(p谩n)鍘绘姈鍕�(d貌ng)鐠�(hu谩n)绡€(ji茅)锛岄噰鐢ㄤ簡纭欢寤舵檪(sh铆)闆昏矾锛屽叿楂旈浕璺鍦�2鎵€绀�銆�

鍦�2锛氭暩(sh霉)瀛楁帶鍒跺櫒涓璂SP閸电洡(p谩n)杓稿叆鎺ュ彛闆昏矾銆�

涓冩LED椤ず鍣ㄦ湁闈滄厠(t脿i)椤ず鍜屽嫊(d貌ng)鎱�(t脿i)椤ず鍏╃ó閫ｆ帴鏂瑰紡銆傚嫊(d貌ng)鎱�(t脿i)鎺冩弿鏂瑰紡绡€(ji茅)鐪佺‖浠�锛屽父鐢ㄧ殑BCD涓冩璀⒓椹�(q奴)鍕�(d貌ng)鍜屽嫊(d貌ng)鎱�(t脿i)鎺冩弿椹�(q奴)鍕�(d貌ng)闆昏矾鏈夊叐绋�锛屽Intel8279銆丮ax7219绛�锛屾帶鍒跺櫒涓噰鐢∕AX7219鑺墖銆侱SP鍏锋湁涓€鍊�(g猫)鑸囧瑷�(sh猫)鎵撲氦閬撶殑涓茶鎺ュ彛SPl锛岄€欑偤涓茶鎺ラ杸(m茅n)椤ず鎻愪緵浜嗘柟渚裤€侻AX7219瓒充竴绋覆琛岀殑鍏遍櫚妤礚ED鏁�(sh霉)瀛楅’绀洪﹨(q奴)鍕�(d貌ng)鍣�锛屽収(n猫i)娌�(m茅i)澶氬€�(g猫)鎺у埗鍜屾暩(sh霉)鎿�(j霉)瀵勫瓨鍣紝鍏跺伐浣滄柟寮忓彲閫氶亷(gu貌)绶ㄧ▼闈堟椿鍦拌ō(sh猫)瑷�(j矛)锛屽畠鏄珨绌嶅皬銆佸姛鑳藉挤(qi谩ng)澶�銆佷娇鐢ㄩ潏娲绘柟渚跨殑涓茶鎺ュ彛銆傛噳(y墨ng)鐢ㄤ腑闇€瑕佹敞鎰忕殑鍟�(w猫n)椤屽氨鏄紝MAX7219鎶�锛孍MI鑳藉姏姣旇純宸紝鐩稿皪(du矛)鑰岃█鐢∕AX7221姣旇純鍙潬涓€榛�(di菐n)銆傚彟澶栦竴鍊�(g猫)鍟�(w猫n)椤屾槸锛岃(shu艒)鏄庢浉(sh奴)涓洊鐒惰(shu艒)瀵勫瓨鍣ㄥ彲浠ヤ娇鐢ㄤ换鎰忔暩(sh霉)瀛�锛屾瘮濡傝(shu艒)鏁�(sh霉)鎿�(j霉)鏍煎紡涓殑楂�4浣嶇敤鐨勬槸XXXX渚�(l谩i)琛ㄧず锛屼絾鏄紝鍦ㄥ(sh铆)闅涙噳(y墨ng)鐢ㄤ腑鏈€濂戒娇鐢ㄩ潪闆朵綅锛屾湰鏂囬噰鐢�1111渚�(l谩i)琛ㄧず锛屽彲浠ュ鍔犳姉骞叉摼鑳藉姏銆傚彟澶栵紝鍦ㄤ覆琛屾暩(sh霉)鎿�(j霉)绶氬拰闆绘簮涓繀闋堝姞閬╅噺闆诲锛屼互鎻愰珮鎶楀共鎿捐兘鍔涳紝鐗瑰垾鏄浕婧愬挨鍏惰娉ㄦ剰锛屽鏋滄尝鍕�(d貌ng)姣旇純澶х殑瑭�锛孧AX7219姣旇純瀹规槗鎼嶅銆�

2.6SVPWM鑴堟矕杓稿嚭妯″鐨勮ō(sh猫)瑷�(j矛)

绌洪枔闆诲鐭㈤噺SVPWM鑴堟矕杓稿嚭鏄暩(sh霉)瀛楁帶鍒跺櫒涓殑闂�(gu膩n)閸甸儴鍒�锛岄浕姗�(j墨)瑾�(di脿o)閫熸垨鑰呴€嗚畩鍣ㄧ殑闋荤巼灏辨槸鐢盨VPWM娉㈠舰渚�(l谩i)鎺у埗鐨�銆傜偤浜嗛槻姝㈤€嗚畩鍣ㄧ殑涓婁笅姗嬭噦鐩撮€氾紝闆栫劧鍦―SP鍏�(n猫i)閮ㄧ法绋嬪彲浠ュ姞鍏ユ鍗€(q奴)锛熸妧娲�锛熶絾鏄敤寰檿鐞嗗櫒鐢�(ch菐n)鐢熺殑SVPWM鑴堟矕鍙兘鐢变簬绋嬪簭璺戦鑰岄€犳垚鎺у埗娣蜂簜锛岀偤瀹夊叏璧疯(ji脿n)锛岄噰鐢℅AL鍣ㄤ欢鍋氫簡浜掗帠淇濊(h霉)闆昏矾锛岄槻姝㈤€嗚畩鍣ㄥ悓涓€姗嬭噦涓婁笅鍣ㄤ欢鐨勭洿閫�锛屾暩(sh霉)瀛楁帶鍒跺櫒涓娇鐢ㄧ殑鏄疞attice鍏徃鐨凣AL16V8銆�

3杌熶欢瑷�(sh猫)瑷�(j矛)

闅ㄨ憲璁婇牷鍣ㄧ敘(ch菐n)鍝佺殑涓嶆柗鎴愮啛锛屽畠鐨勫姛鑳戒篃涓嶆柗璞愬瘜锛屽彲闈犳€т篃寰楀埌涓嶆柗鎻愰珮锛屽緸鑰屽皫(d菐o)鑷翠簡鍏剁▼搴忕法鍒剁殑寰�(f霉)闆滃害鍜岄洠搴�銆傛湰鏂囪ō(sh猫)瑷�(j矛)鐨勮畩闋昏(di脿o)閫熺郴绲�(t菕ng)鏄嚌灏�(du矛)瀵�(sh铆)椹�(y脿n)瀹ょ劇(w煤)杌告壙楂橀牷闆绘(j墨)鐢紝涓昏瀹屾垚浜嗕竴浜涘熀鏈姛鑳�锛屾瘮濡傞牷鐜囩殑瑷�(sh猫)瀹氳垏椤ず锛屼綆閫熸檪(sh铆)杞�(zhu菐n)璺濊(b菙)鍎熷姛鑳界瓑锛岀▼搴忎笉鏄壒鍒ュ京(f霉)闆�锛岃ō(sh猫)瑷�(j矛)绋嬪簭杩�2000琛岋紝寤惧皪(du矛)绋嬪簭閫�(j矛n)琛屼簡娓�(c猫)瑭�锛岃瓑鏄庣▼搴忛亱(y霉n)琛岃壇濂�銆傛湰鏂囪畩闋昏(di脿o)閫熺郴绲�(t菕ng)涓殑鏁村€�(g猫)绋嬪簭涓昏鐢变富绋嬪簭銆侀嵉鐩�(p谩n)绋嬪簭銆侀’绀虹▼搴�銆丳WM绋嬪簭銆佹晠闅滀繚璀�(h霉)涓柗绋嬪簭绛夌祫鎴愩€�

3.l涓荤▼搴忓拰鏁呴殰淇濊(h霉)涓柗绋嬪簭

涓荤▼搴忔槸鏁村€�(g猫)绋嬪簭鐨勬渶涓昏閮ㄥ垎锛屽畠瀹屾垚浜嗚畩闋诲櫒鐨勪富瑕佸姛鑳�锛屽畠鐨勬祦绋嬪湒濡傚湒3锛坅锛夋墍绀�銆傜▼搴忓垵濮嬪寲閮ㄥ垎涓昏鍖呮嫭锛欼/O鍙ｇ殑鍒濆鍖栵紝娉㈠舰鐧�(f膩)鐢熷櫒鐨勫垵濮嬪寲锛屽畾鏅�(sh铆)瑷�(j矛)鏁�(sh霉)鍣ㄧ殑鍒濆鍖�锛孲Pl鐨勫垵濮嬪寲锛孧AX7219鐨勫垵濮嬪寲绛�銆傝畝鏁�(sh霉)鍒板収(n猫i)閮ㄥ瘎瀛樺櫒锛屽氨鏄妸甯哥敤鐨勬暩(sh霉)鎿�(j霉)璁€浜哄埌鍏�(n猫i)閮ㄥ瘎瀛樺櫒锛岀府鐭璂SP铏曠悊鏅�(sh铆)闁�锛屾洿濂藉湴瀵�(sh铆)鐝�(xi脿n)瀵�(sh铆)锛熷ぞ娴碔鐡氥剢寰疯潟锛熺悊锛屽氨鏄垽鏂锋寜閸垫墍绲﹀畾鐨勫€硷紝鍒ゅ垾鎵€瑷�(sh猫)瀹氱殑闋荤巼瑾�(shu铆)鏄渶绲傜殑鐩(bi膩o)闋荤巼銆傞牷鐜囬’绀洪儴鍒�锛屽氨鏄妸鏈€绲傜洰妯�(bi膩o)闋荤巼锛屾寜甯歌(gu墨)浠ュ崈浣�銆佺櫨浣�銆佸崄浣�銆佸€�(g猫)浣嶉€氶亷(gu貌)LED椤ず鍑轰締(l谩i)銆傞亱(y霉n)琛屾帶鍒跺氨鏄牴鎿�(j霉)RUN閸典締(l谩i)姹哄畾鏄惁鍟熷嫊(d貌ng)闆绘(j墨)閬�(y霉n)琛屻€傚湪纭欢瑷�(sh猫)瑷�(j矛)涓�锛岄噰鐢ㄧ殑鏄瘜澹叕鍙哥殑绗笁浠ｆ櫤鑳藉姛鐜囨ā濉奍PM锛屽畠鐨勫収(n猫i)閮ㄦ湰韬氨闆嗘垚寤犻亷(gu貌)澹�銆侀亷(gu貌)娴併€侀亷(gu貌)鐔�銆佹帶鍒堕浕澹撴瑺澹�銆佺煭璺瓑鐨勮几鍑哄牨(b脿o)璀﹀姛鑳�锛岄€氶亷(gu貌)鍏夎€﹂殧闆㈠悗閫佸叆鍒癉SP鐨勫閮ㄤ腑鏂锋簮寮曡叧PDPINT锛屽畬鎴愮浉鎳�(y墨ng)鐨勪繚璀�(h霉)鍔熻兘锛屽叿楂旀祦绋嬪湒濡傚湒3锛坆锛夋墍绀恒€�

鍦�3锛氫富绋嬪簭鍜屼繚璀�(h霉)绋嬪簭娴佺▼銆�

3.2SVPWM涓柗瀛愮▼搴�

PWM涓柗瀛愮▼搴忔槸鏁村€�(g猫)鎺у埗鍣ㄥ伐浣滅殑闂�(gu膩n)閸电▼搴�锛岀┖闁撻浕澹撶煝閲忚(di脿o)鍒剁殑瀹屾垚灏辨槸闈犲畠渚�(l谩i)瀵�(sh铆)鐝�(xi脿n)鐨�锛屽叿楂旂殑娴佺▼鍦栧鍦�4鎵€绀�銆侾WM鐧�(f膩)鐢熺▼搴忎富瑕佸畬鎴愬涓嬬殑鍔熻兘锛氶浕姗�(j墨)閬�(y霉n)琛屾檪(sh铆)闋荤巼鐨勫嫊(d貌ng)鎱�(t脿i)椤ず锛屾牴鎿�(j霉)涓荤▼搴忎腑鎵€绲﹀畾鐨勭洰妯�(bi膩o)闋荤巼锛屽彲浠ュ緱鍒拌閫熷害蠅锛屜夌稉(j墨ng)閬�(gu貌)绌嶅垎閬�(y霉n)绠楀彲浠ュ緱鍒皍sref鐨勮搴ξ�锛岀劧鍚庤▓(j矛)绠梪sref鍦ㄥ叐鐩搁潨姝㈠潗妯�(bi膩o)绯晃�锛屛茶桓涓婄殑鎶曞奖us伪鍙妘s尾锛屾湁浜單稿彲浠ュ悓鏅�(sh铆)瑷�(j矛)绠楀嚭鍙冭€冮浕澹撶煝閲忔墍鍦ㄧ殑鎵囧崁(q奴)/N锛屾牴鎿�(j霉)宸茬煡閲忕敱鍏敤鍊兼眰鍙栧叐鐩搁劙闆诲鐭㈤噺鐨勪綔鐢ㄦ檪(sh铆)闁揟1銆乀2鍜孴0锛岀劧鍚庣郸DSP鍏�(n猫i)閮ㄧ殑3鍊�(g猫)鍏ㄦ瘮杓冨瘎瀛樺櫒CMPRx锛坸=1锛�2锛�3锛夐€�(j矛n)琛岃肠鍊硷紝鐢�(ch菐n)鐢熺浉鎳�(y墨ng)鐨�5VPWM娉㈠舰銆�

4瀵�(sh铆)椹�(y脿n)绲�(ji茅)鏋�

鏍规摎(j霉)鍓嶉潰浠嬬垂鐨勭郴绲�(t菕ng)纭欢闆昏矾鍜岃粺浠舵帶鍒剁畻娉曪紝灏�(du矛)鍒朵綔鐨勫師鐞嗘ǎ姗�(j墨)閫�(j矛n)琛屼簡瀵�(sh铆)椹�(y脿n)鐮旂┒銆傚(sh铆)椹�(y脿n)娓�(c猫)瑭︿簡鐣版闆诲嫊(d貌ng)姗�(j墨)绌鸿級绌�(w臎n)鎱�(t脿i)閬�(y霉n)琛屾儏娉�锛屼互姝や締(l谩i)妾㈡脯(c猫)鍘熺悊妯ｆ(j墨)鐨勫彲琛屾€э紝灏�(du矛)瀵�(sh铆)椹�(y脿n)绲�(ji茅)鏋滈€�(j矛n)琛屼簡娉㈠舰瑷橀寗锛�300Hz绌�(w臎n)鎱�(t脿i)閬�(y霉n)琛屾檪(sh铆)鍏禤WM鎺у埗娉㈠舰鍜屾脯(c猫)寰楃殑鐣版闆绘(j墨)瀵�(sh铆)娓�(c猫)绶氶浕澹撴尝褰㈠鍦�5鎵€绀�銆�

鍦�5锛�300Hz鏅�(sh铆)鎺у埗鍣ㄨ几鍑虹殑鎺у埗娉㈠舰鍜屽(sh铆)娓�(c猫)闆绘(j墨)绶氶浕澹撴尝褰�銆�

瀵�(sh铆)椹�(y脿n)鐢ㄩ珮闋婚浕姗�(j墨)鐨勫弮鏁�(sh霉)濡備笅锛�

椤嶅畾闆诲Un=220V锛岄瀹氶浕娴両n=1.5A锛岄瀹氶牷鐜噁=400Hz锛岀暟姝ラ浕姗�(j墨)鐨勬サ灏�(du矛)鏁�(sh霉)=1锛岄瀹氬姛鐜嘝e=800W锛岄瀹氱┖杓夐浕娴�0.75A銆�

5绲�(ji茅)瑾�(y菙)

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鍦�4锛歋VPWN涓柗瀛愮▼搴忔祦绋嬪湒銆�