涓�銆丳WM 璋冨厜鐨勫師鐞嗗強(qiáng)浼樺娍綆�榪?/h2>
錛堜竴錛夊師鐞嗕粙緇?/h3>
PWM 璋冨厜錛屽叏縐頒負(fù)鑴夊啿瀹藉害璋冨埗錛圥ulse Width Modulation Dimming錛夎皟鍏夛紝鏄竴縐嶅埄鐢ㄨ剦鍐插搴﹁皟鍒舵妧鏈潵鎺у埗鍙戝厜浜屾瀬綆★紙LED錛夌瓑浜害鐨勬柟娉曘�傚叾鍩烘湰鍘熺悊鏄�氳繃鏀瑰彉鑴夊啿鐨勫搴︼紝涔熷氨鏄敼鍙樺紑鍚拰鍏抽棴鐨勬椂闂存瘮渚嬶紝鏉ュ疄鐜板浜害鐨勮皟鑺傘�?/p>
鍏蜂綋鑰岃█錛屽湪涓�瀹氱殑鏃墮棿鍐咃紝閫氳繃璋冩暣 LED 鐨勫紑鍚拰鍏抽棴鐨勬椂闂村崰姣旓紝浠庤�屾敼鍙?LED 鎬葷殑鍙戝厜鏃墮棿錛岃繘鑰屽疄鐜板鍏朵寒搴︾殑璋冩帶銆備緥濡傦紝鑻ュ湪 1 縐掔殑鏃墮棿鍐咃紝LED 寮�鍚殑鏃墮棿鏄?0.5 縐掞紝鍏抽棴鏃墮棿鏄?0.5 縐掞紝閭?LED 鐨勪寒搴﹀氨鏄?50%錛涜鏄?LED 寮�鍚殑鏃墮棿鏄?0.25 縐掞紝鍏抽棴鏃墮棿涓?0.75 縐掞紝閭ｄ箞鍏朵寒搴﹀氨鏄?25%銆備緷闈犺繖鏍鋒敼鍙?LED 寮�鍚椂闂寸殑鏂瑰紡錛屽氨鑳借揪鎴愬 LED 浜害杈冧負(fù)綺劇‘鐨勬帶鍒訛紝騫朵笖鍒╃敤浜虹溂鐨勮瑙夋殏鐣欐晥搴旓紝璁╂垜浠劅鐭ュ埌鐨勬槸紼沖畾鐨勪笉鍚屼寒搴︼紝鑰岄潪 LED 瀹為檯鐨勫揩閫熶寒鐏氦鏇胯繃紼嬨�?/p>
錛堜簩錛変紭鍔垮垪涓?/h3>鑺傝兘鏂歸潰錛歅WM 璋冨厜鍦ㄨ皟鑺?LED 浜害鏃訛紝鍙互鎸夐渶鎻愪緵鑳介噺錛屽彧鍦ㄩ渶瑕佺殑鏃跺�欒 LED 澶勪簬寮�鍚彂鍏夌姸鎬侊紝鍏朵粬鏃跺�欏叧闂紝榪欐牱鑳藉鏄捐憲鍑忓皯 LED 鐨勫姛鑰楋紝閬垮厤浜?jiǎn)涓嶅繀瑕佺殑鑳芥簮娴垂锛屽浜庨暱鏃堕棿鋴社敤鐓ф槑璁惧鎴栬�呭ぇ閲忎嬌鐢?LED 鍏夋簮鐨勫満鏅潵璇達(dá)紝鑺傝兘鏁堟灉鍗佸垎鍙銆傛瘮濡傚湪涓�浜涘ぇ鍨嬪晢鍦虹殑瀹ゅ唴鐓ф槑銆佸煄甯?jìng)鐨勮鐏収鏄幗{夊簲鐢ㄤ腑錛岄暱鏃墮棿縐瘡涓嬫潵鑳借妭鐪佸ぇ閲忕殑鐢?shù)鑳姐�?/p>
綺劇‘鎺у埗浜害錛氬畠鑳藉鎻愪緵闈炲父綺劇‘鐨勪寒搴﹁皟鑺傦紝璋冭妭鑼冨洿騫匡紝鍙互婊¤凍鍚勭涓嶅悓鐨勪寒搴﹂渶姹傘�傛棤璁烘槸闇�瑕佹瀬浜殑寮哄厜鐜錛岃繕鏄惀閫犳俯棣ㄦ煍鍜岀殑浣庝寒搴︽皼鍥達(dá)紝PWM 璋冨厜閮藉彲浠ョ簿鍑嗗湴杈懼埌鐩稿簲鐨勪寒搴﹁姹傘�傚儚鍦ㄤ竴浜涘鍏夌嚎瑕佹眰涓ヨ嫑鐨勫満鎵�錛屽鍖婚櫌鐨勬墜鏈銆佹憚褰辨絳夛紝綺劇‘鐨勪寒搴︽帶鍒跺氨鏄懼緱灝や負(fù)閲嶈銆?/p>
寤墮暱璁懼浣跨敤瀵垮懡錛氱敱浜?PWM 璋冨厜鍑忓皯浜?LED 鐨勭儹搴斿姏錛孡ED 鍦ㄨ皟鍏夎繃紼嬩腑涓嶄細(xì)闀挎椂闂村浜庨珮璐熻嵎鍙戠儹鐘舵�侊紝榪欐湁鍔╀簬寤墮暱 LED 鏈韓浠ュ強(qiáng)鏁翠釜璁懼鐨勪嬌鐢ㄥ鍛斤紝闄嶄綆浜?jiǎn)璁惧鏇存崲鐨勯鐜囧拰鎴愭湰锛屼粠闀挎湡鏉ョ湅缁弸箮鏁堢泭鏄庢樉锛屽儚涓�浜涢珮绔殑鑸炲彴鐏厜璁懼銆佹苯杞︾殑鍓嶅ぇ鐏瓑錛屼嬌鐢ㄥ鍛界殑寤墮暱鑳藉噺灝戠淮淇拰鏇存崲鐨勯夯鐑?chǔ)銆?/p>
鍏煎鎬уソ錛歅WM 璋冨厜鎶�鏈彲浠ヤ笌鐜版湁鐨勪紬澶氱數(shù)瀛愯澶囧吋瀹癸紝涓嶉渶瑕佸鐜版湁緋葷粺榪涜澶ц妯″鏉傜殑鐢?shù)璧\鏇存敼錛屽氨鑳界洿鎺ュ簲鐢ㄣ�傝繖浣垮緱瀹冨湪鍚勭涓嶅悓鐨勮澶囧拰鍦烘櫙涓兘鑳芥柟渚垮湴琚噰鐢紝渚嬪鍦ㄦ櫘閫氬搴収鏄庝腑錛屽彲浠ヨ交鏉句笌宸叉湁鐨勭伅鍏風(fēng)嚎璺�佸紑鍏崇瓑閰嶅悎浣跨敤錛屽疄鐜拌皟鍏夊姛鑳姐�?/p>
浜屻�佸湪鐢?shù)瀛愭槃·鸿畱证囬鍩熺殑搴旂?/h2>
錛堜竴錛夋墜鏈哄睆騫曞簲鐢?/h3>
濡備粖錛孭WM 璋冨厜鎶�鏈湪鎵嬫満灞忓箷棰嗗煙鏈夌潃騫挎硾涓旈噸瑕佺殑搴旂敤銆備互褰撲笅鐑棬鐨?OPPO Reno9 Pro + 涓轟緥錛屽畠閲囩敤浜?jiǎn)涓�鍧?6.7 鑻卞 OLED 瓚呮竻鏇查潰灞忥紝榪愮敤浜?jiǎn)甯?jìng)闈笂灝戞湁鐨?2160Hz PWM 楂橀璋冨厜鎶�鏈�傚ぇ瀹墮兘鐭ラ亾錛孫LED 灞忓箷鏈夌潃璇稿浼樼偣錛屽儚鏇撮珮鐨勪寒搴︺�佹洿楂樼殑瀵規(guī)瘮搴︺�佹洿騫跨殑鑹插煙浠ュ強(qiáng)鏇翠綆鐨勫姛鑰楋紝鏌旀�ф潗璐ㄨ繕璁╂姌鍙犲睆寰椾互闈笘錛屼笉榪囧叾鑷彂鍏夌殑鐗規(guī)�т嬌寰椾負(fù)浜?jiǎn)鍤g闀夸嬌鐢ㄥ鍛斤紝灞忓箷涓嶅彲鑳戒竴鐩村父浜紝鎵�浠ュ氨闇�瑕侀�氳繃 PWM 璋冨厜榪欑 鈥滀寒灞?- 鐏睆 - 浜睆 - 鐏睆鈥?涓嶆柇浜殫浜ゆ浛銆佸埄鐢ㄩ闂潵鎺у埗灞忓箷浜害鐨勬柟寮忋�?/p>
浣嗘棭鏈熶竴浜涙墜鏈哄 iPhone X 閲囩敤鐨?240Hz PWM 璋冨厜錛屾垨鑰呭叾浠栦竴浜涗粎鏀寔 480Hz PWM 璋冨厜鐨勬墜鏈猴紝鐢變簬浜虹溂鐨勮瑙夋殏鐣欏師鐞嗭紝瀵逛簬姣旇緝鏁忔劅鐨勭敤鎴鋒潵璇達(dá)紝榪欑鐩稿浣庨鐨?PWM 璋冨厜甯︽潵鐨勪寒鏆椾氦鏇垮彉鍖栧彲鑳戒細(xì)閫犳垚鐪肩潧鐤插姵錛岀敋鑷沖瑙嗗姏浜х敓褰卞搷銆傝�屽儚 OPPO Reno9 Pro + 鎵�閲囩敤鐨勯珮棰?PWM 璋冨厜鎶�鏈氨寰堝ソ鍦拌В鍐充簡(jiǎn)榪欎簺闂錛岄�氳繃鐩告満楂橀�熷揩闂ㄦ墍鎷嶄笅鐨勭敾闈㈠彲浠ョ湅鍑猴紝瀵規(guī)瘮浠呮敮鎸?480Hz PWM 璋冨厜鐨?iPhone 13 Pro Max銆佷互鍙?qiáng)涓夋?S22 + 絳夛紝OPPO Reno9 Pro + 鍩烘湰鐪嬩笉鍑洪闂駭鐢熺殑榛戣壊鏉＄汗錛岃倝鐪煎榪欑浜殫浜ゆ浛鍑犱箮杈懼埌浜?jiǎn)涓嶅彲瀵熻鐨勬晥鏋滃Q屾棦鑳戒繚鎸佹殫鍏変笅鐨勮壊褰╂樉紺哄噯紜�э紝鍙堣兘瑙ｅ喅浣庝寒搴﹂闂槑鏄劇殑闂錛屾彁鍗囦嬌鐢ㄦ椂鐨勭溂閮ㄨ垝閫傚害錛岃揪鍒版姢鐪肩殑鏁堟灉銆?/p>
鏃犺鏄棩甯稿湪鍏夌嚎鍏呰凍鐨勬埛澶栨煡鐪嬪湴鍥俱�佹祻瑙堣祫璁紝榪樻槸鍦ㄥ鏅氱唲鐏悗錛岃漢鍦ㄨ紿濋噷榪藉墽銆佸埛鐭棰戠瓑涓嶅悓鐨勪嬌鐢ㄥ満鏅笅錛岄珮棰?PWM 璋冨厜鐨勬墜鏈哄睆騫曢兘鑳戒負(fù)鐢ㄦ埛甯︽潵鑸掗�傜殑瑙嗚鎰熷彈錛屾弧瓚沖ぇ瀹墮暱鏃墮棿浣跨敤鎵嬫満鐨勯渶姹傦紝璁╃溂鐫涗笉鍐嶉偅涔堝鏄撻吀鑳�銆佹祦娉紝涔熻鎴戜滑鍙互鏇村ソ鍦頒韓鍙楁墜鏈哄甫鏉ョ殑渚挎嵎涓庝箰瓚ｃ�?/p>
錛堜簩錛夌數(shù)鑴戞樉紺哄櫒搴旂敤
鍦ㄧ數(shù)鑴戞樉紺哄櫒棰嗗煙錛孭WM 璋冨厜鍚屾牱鏄竴縐嶅父鐢ㄧ殑璋冨厜鏂瑰紡銆備笉鍚岀殑鐢?shù)鑴戞槃·哄櫒鍦ㄤ笉鍚屼寒搴﹁畡〗笅锛孭WM 璋冨厜鎶�鏈兘鍙戞尌鐫�淇濋殰鐢婚潰鏄劇ず璐ㄩ噺銆佸噺灝戣瑙夌柌鍔崇殑閲嶈浣滅敤銆?/p>
渚嬪錛屾湁鐨勬樉紺哄櫒鍦ㄤ寒搴﹁皟鑺傝繃紼嬩腑錛岄�氳繃鍚堢悊榪愮敤 PWM 璋冨厜鏀瑰彉鑴夊啿鐨勫搴︼紝涔熷氨鏄皟鏁村紑鍚拰鍏抽棴鐨勬椂闂存瘮渚嬶紝鏉ョ簿鍑嗗湴瀹炵幇涓嶅悓浜害鐨勫憟鐜般�傚綋鎴戜滑鍦ㄥ姙鍏椂錛岄渶瑕侀暱鏃墮棿鐩潃鐢?shù)鑴戝睆骞曞鐞嗘枃�。銆佸埗浣滆〃鏍兼垨鑰呰繘琛岀紪紼嬬瓑宸ヤ綔錛屽悎閫傜殑 PWM 璋冨厜璁劇疆鍙互璁╁睆騫曚寒搴﹀浜庝竴涓垝閫傜殑鐘舵�侊紝閬垮厤榪囦寒鎴栬�呰繃鏆楀鐪肩潧閫犳垚鍒烘縺錛屽噺灝戣瑙夌柌鍔崇殑浜х敓錛屼嬌鎴戜滑鑳藉鏇翠笓娉ㄥ湴鎶曞叆宸ヤ綔銆?/p>
鑰屽湪濞變箰鍦烘櫙涓嬶紝姣斿鐢ㄧ數(shù)鑴戣鐪嬬數(shù)褰便�佺帺娓告垙鏃訛紝PWM 璋冨厜鍙堣兘鏍規(guī)嵁鐢婚潰鍐呭鐨勪笉鍚屼寒搴﹂渶姹傝繘琛屽揩閫熶笖鍑嗙‘鐨勮皟鑺傘�傚儚涓�浜涚敾闈腑瀛樺湪鏄庢殫瀵規(guī)瘮寮虹儓鐨勫満鏅紝閫氳繃璇ユ妧鏈彲浠ヤ繚闅滄殫閮ㄧ粏鑺備笉浼?xì)涓㈠け锛屼寒閮ㄤ篃涓嶄細(xì)杩囧害鏇濆厜锛屼负鎴戜滑鎻愪緵娓呮櫚銆佽垝閫傜殑瑙嗚鎰熷彈錛岃鎴戜滑灝芥儏娌夋蹈鍦ㄧ簿褰╃殑鍓ф儏鎴栬�呮縺鐑堢殑娓告垙涓栫晫褰撲腑銆傚茍涓旓紝閮ㄥ垎鏄劇ず鍣ㄨ繕浼?xì)閫氳繃浼樺寲 PWM 璋冨厜鐨勯鐜囩瓑鍙傛暟錛岃繘涓�姝ユ彁鍗囨樉紺烘晥鏋滐紝涓虹敤鎴鋒墦閫犳洿濂界殑浣跨敤浣撻獙銆?/p>
錛堜笁錛夌數(shù)瑙嗚儗鍏夊簲鐢?/h3>
鍦ㄧ數(shù)瑙嗛鍩燂紝PWM 璋冨厜鎶�鏈簲鐢ㄤ簬鐢?shù)瑙嗚儗鍏夋椨灱岃兘澶熸樉钁楁彁鍗囨垜浠殑瑙傜湅浣撻獙銆傚畠鍙互鏍規(guī)嵁鐢婚潰鍐呭鍔ㄦ�佽皟鑺備寒搴︼紝姣斿鍦ㄦ挱鏀句竴浜涘鏅敾闈㈣緝澶氱殑鐢?shù)濯?jiǎng)鏃訛紝鐢?shù)瑙嗚兘澶熼�氳繃 PWM 璋冨厜闄嶄綆鑳屽厜浜害錛岃榛戣壊鏇村姞綰補(bǔ)錛屾殫閮ㄧ粏鑺傚緱浠ュ睍鐜幫紝钀ラ�犲嚭閫肩湡鐨勬皼鍥達(dá)紝璁╄浼椾豢浣?jīng)桧n涓村叾澧冦�?/p>
鑰屽湪瑙傜湅浣撹偛璧涗簨鏃訛紝鐢婚潰鍒囨崲榪呴�燂紝浜害鍙樺寲棰戠箒錛孭WM 璋冨厜鎶�鏈兘蹇�熷搷搴旓紝紜繚鍚勪釜鍦烘櫙涓嬬殑浜害閮芥伆鍒板ソ澶勶紝榪愬姩鍛樺湪璧涘満涓婄殑姣忎竴涓簿褰╃灛闂撮兘鑳芥竻鏅板湴鍛堢幇鍦ㄨ浼楃溂鍓嶏紝鎻愬崌浜?jiǎn)鏁翠釜鐢婚潰鐨勫?guī)瘮搴︼紝浣胯壊褰╂洿鍔犻矞鑹熾�佺敓鍔紝璁╄浼楄幏寰楁洿浼樿川鐨勮鐪嬩綋楠屻�?/p>
鍍忎竴浜涢噰鐢ㄤ簡(jiǎn)鍏堣繘 PWM 璋冨厜鎶�鏈殑鐢?shù)瑙嗗Q岃繕鑳界粨鍚堝叾浠栨樉紺烘妧鏈紝瑙ｅ喅浼犵粺璋冨厜鏂瑰紡鍙兘瀛樺湪鐨勯闂�佺敾闈㈡粴鍔ㄦ潯騫叉壈絳夐棶棰橈紝榪涗竴姝ヤ紭鍖栬瑙夋晥鏋滐紝鏃犺鏄璧忓ソ鑾卞潪澶х墖錛岃繕鏄鐪嬬揣寮犲埡嬋�鐨勮凍鐞冩瘮璧涚瓑涓嶅悓綾誨瀷鑺傜洰錛岄兘鑳藉嚟鍊?PWM 璋冨厜甯︽潵鐨勪紭鍔匡紝璁╄浼楁劅鍙楀埌楂樺搧璐ㄧ殑瑙嗚鐩涘銆?/p>
涓夈�佸湪鐓ф槑鐏叿棰嗗煙鐨勫簲鐢?/h2>錛堜竴錛夊鍐呯収鏄庡簲鐢?/h3>
鍦ㄥ鍐呯収鏄庨鍩燂紝PWM 璋冨厜鏈夌潃璇稿鍑?guó)檳茬殑搴旂敤琛ㄧ幇銆傚湪瀹跺眳鐜涓紝鏃犺鏄俯棣ㄧ殑鍗у銆佸鏁炵殑瀹㈠巺榪樻槸鍏呮弧涔﹂鐨勪功鎴匡紝PWM 璋冨厜閮借兘澶ф樉韜墜銆傛瘮濡傚湪鍗у錛屽綋澶滄櫄鍑嗗鍏ョ潯鏃訛紝鎴戜滑鍙互閫氳繃 PWM 璋冨厜灝嗙伅鍏夎皟鑷沖緢浣庣殑浜害錛岃惀閫犲嚭鏌斿拰銆侀潤(rùn)璋х殑姘涘洿錛屾湁鍔╀簬鏀炬澗韜績(jī)錛屽揩閫熻繘鍏ョ潯鐪犵姸鎬侊紱鑰屽湪闃呰鏃訛紝鍙堣兘閫傚綋鎻愰珮浜害錛屾弧瓚沖厖瓚崇殑鍏夌嚎闇�姹傦紝鍚屾椂閬垮厤榪囦寒鍒虹溂銆傚湪瀹㈠巺瑙傚獎(jiǎng)鏃訛紝鍙埄鐢?PWM 璋冨厜鎶婄伅鍏夎皟鏆楋紝鎵撻�犲嚭綾諱技褰遍櫌鐨勬晥鏋滐紝璁╄褰變綋楠屾洿鍔犳矇嫻革紱鏈夊浜烘潵璁胯仛浼?xì)鏃跺Q岃皟浜伅鍏夊氨鑳借鏁翠釜絀洪棿鍏呮弧鐑椆嬈㈠揩鐨勬皼鍥淬�?/p>
鍦ㄥ姙鍏鍦烘櫙閲岋紝PWM 璋冨厜鍚屾牱涓嶅彲鎴栫己銆傜櫧澶╁姙鍏椂錛屽彲鏍規(guī)嵁鑷劧鍏夌嚎鎯呭喌錛岄�氳繃瀹冪簿鍑嗚皟鑺傜伅鍏変寒搴︼紝浣垮鍐呭厜綰垮浜庝竴涓垝閫備笖閫傚疁宸ヤ綔鐨勭姸鎬侊紝鍑忓皯瑙嗚鐤插姵錛屾彁楂樺憳宸ョ殑宸ヤ綔鏁堢巼銆傚埌浜?jiǎn)鍗堜紤鏃堕椷_(dá)紝璋冩殫鐏厜錛屾柟渚垮憳宸ヤ紤鎭�傝�屼笖涓嶅悓鐨勫姙鍏尯鍩燂紝鍍忓紑鏀懼紡鍔炲叕鍖恒�佷細(xì)璁絳夛紝涔熻兘渚濋潬 PWM 璋冨厜鏉ユ弧瓚沖悇鑷壒瀹氱殑鍏夌嚎瑕佹眰錛屽疄鐜拌垝閫備笖鐏墊椿鐨勫厜綰胯皟鑺傦紝婊¤凍浜轟滑涓嶅悓鏃墮棿銆佷笉鍚屾椿鍔ㄥ満鏅笅瀵圭収鏄庝寒搴﹀拰姘涘洿钀ラ�犵殑瑕佹眰銆?/p>
錛堜簩錛夎鐏収鏄庡簲鐢?/h3>
琛楃伅鐓ф槑瀵逛簬鍩庡競(jìng)鐨勫闂磋繍杞拰灞呮皯鍑?guó)櫋屽畨鍏ㄨ嚊_叧閲嶈錛岃�?PWM 璋冨厜鍦ㄥ叾涓彂鎸ョ潃鍏抽敭浣滅敤銆傚湪澶滄櫄楂樺嘲鏃舵錛岄亾璺笂杞︽祦閲忓拰浜烘祦閲忛兘杈冨ぇ錛岃繖鏃墮�氳繃 PWM 璋冨厜鍙互灝嗚鐏寒搴﹁皟鑷寵緝楂樻按騫籌紝紜繚閬撹礬鏄庝寒錛岃琛屼漢鍜岃濺杈嗛兘鑳芥竻鏅板湴鐪嬫竻璺喌錛屼繚闅滃嚭琛屽畨鍏ㄣ�傝�屽埌浜?jiǎn)鍚庡崐澶滃Q岃濺嫻侀噺鍜屼漢嫻侀噺澶у箙鍑忓皯錛屽埄鐢?PWM 璋冨厜鎶�鏈嚜鍔ㄩ檷浣庤鐏殑浜害錛屽湪婊¤凍鍩烘湰閬撹礬鐓ф槑闇�姹傜殑鍚屾椂錛岃兘澶熸湁鏁堣妭鐪佽兘婧愩�傝繖縐嶆牴鎹笉鍚屾椂闂存鑷姩璋冩暣浜害鐨勬柟寮忥紝涓嶄粎瀹炵幇浜?jiǎn)鑺傝兘鐩殑锛寴q樺吋欏句簡(jiǎn)閬撹礬鐓ф槑鐨勫疄闄呴渶姹傦紝璁╁煄甯?jìng)鐨勫鏅氭棦鏄庝寒鍙堣妭鑳姐�?/p>
錛堜笁錛夎垶鍙扮伅鍏夊簲鐢?/h3>
鑸炲彴鐏厜鏄惀閫犳紨鍑烘皼鍥淬�佸寮鴻垶鍙拌〃鐜板姏鐨勯噸瑕佸厓绱狅紝PWM 璋冨厜鍦ㄨ繖涓�棰嗗煙灞曠幇鍑轟簡(jiǎn)鐙壒鐨勪紭鍔褲�傚畠鑳藉瀵圭伅鍏変寒搴﹁繘琛岀簿紜帶鍒訛紝鏃犺鏄渶瑕佽惀閫犲嚭鏌斿拰銆佹俯棣ㄧ殑鍦烘櫙錛岃繕鏄墦閫犲己鐑堛�佽��鐪肩殑瑙嗚鏁堟灉錛岄兘鍙互閫氳繃綺懼噯璋冭妭鍗犵┖姣旀潵瀹炵幇鐩稿簲鐨勪寒搴﹁姹傘�傝�屼笖錛岃垶鍙拌〃婕斿線寰�闇�瑕佷赴瀵屽鍙樼殑鐏厜鏁堟灉鏉ラ厤鍚堟紨鍑哄唴瀹癸紝PWM 璋冨厜鍑�熷叾鍙簿紜帶鍒剁殑鐗規(guī)�э紝鑳藉鍒涢�犲嚭鍔ㄦ�佺殑鐏厜鏁堟灉銆傛瘮濡傚湪涓�鍦烘瓕鑸炶〃婕斾腑錛岄殢鐫�闊充箰鑺傚鐨勫彉鍖栵紝鐏厜鍙互閫氳繃 PWM 璋冨厜瀹炵幇鐢辨殫鍒頒寒銆佺敱鎱㈠埌蹇殑闂儊鍙樺寲錛屾垨鑰呰惀閫犲嚭鑹插僵娓愬彉銆佸厜褰辨祦鍔ㄧ瓑緇氫附澶氬僵銆佸瘜鏈夊彉鍖栫殑鐏厜姘涘洿錛屽姪鍔涜垶鍙拌〃婕旀洿鍔犵簿褰╁湴鍛堢幇錛岀粰瑙備紬甯︽潵闇囨捈鐨勮瑙変韓鍙椼�?/p>
錛堝洓錛夋苯杞︾収鏄庡簲鐢?/h3>
鍦ㄦ苯杞﹂鍩燂紝PWM 璋冨厜鐨勫簲鐢ㄤ篃鍗佸垎騫挎硾涓旈噸瑕併�傚浜庢苯杞︾殑鍓嶅ぇ鐏潵璇達(dá)紝鍦ㄤ笉鍚岃礬鍐典笅錛屽叾瀵逛寒搴︾殑闇�姹傛槸涓嶄竴鏍風(fēng)殑銆傚綋杞﹁締琛岄┒鍦ㄥ厜綰挎槒鏆楃殑涔℃潙閬撹礬鎴栬�呮病鏈夎礬鐏殑楂橀�熻礬孌墊椂錛屽彲閫氳繃 PWM 璋冨厜鎻愰珮鍓嶅ぇ鐏殑浜害錛岃椹鵑┒鍛樿兘澶熸竻鏅板湴鐪嬫竻鍓嶆柟閬撹礬鐘跺喌錛屾彁鍓嶅彂鐜版綔鍦ㄧ殑鍗遍櫓錛涜�屽湪榪涘叆鍩庡競(jìng)閬撹礬錛屽厜綰跨浉瀵瑰厖瓚崇殑鎯呭喌涓嬶紝閫傚綋闄嶄綆澶х伅浜害錛岄伩鍏嶅鍏朵粬杞﹁締鍜岃浜洪�犳垚鐪╁厜騫叉壈銆?/p>
鍦ㄥ唴楗扮伅鏂歸潰錛屽綋澶滈棿椹鵑┒鏃訛紝涓轟簡(jiǎn)钀ラ�犺垝閫傜殑椹鵑┒鐜錛屽悓鏃跺張涓嶅獎(jiǎng)鍝嶉┚椹跺憳瑙嗙嚎錛屽彲浠ュ埄鐢?PWM 璋冨厜灝嗗唴楗扮伅璋冭嚦杈冩殫鐨勪寒搴︼紝鏂逛究杞﹀唴浜哄憳鎿嶄綔杞﹀唴璁懼絳夛紱褰撲箻瀹㈤渶瑕侀槄璇繪垨鑰呭鎵劇墿鍝佹椂錛屽張鑳借皟浜唴楗扮伅鎻愪緵瓚沖鐨勫厜綰褲�傛澶栵紝鍦ㄨ濺杈嗗惎鍔ㄣ�佸仠杞︾瓑涓嶅悓椹鵑┒鐘舵�佷笅錛孭WM 璋冨厜涔熻兘鐩稿簲璋冭妭鐏厜浜害錛屾彁渚涙洿濂界殑鐓ф槑鏁堟灉錛屽叏鏂逛綅鎻愬崌椹鵑┒鐨勫畨鍏ㄦ�т笌鑸掗�傛�с�?/p>
鍥涖�丳WM 璋冨厜闈復(fù)鐨勬寫鎴樺強(qiáng)搴斿絳栫暐
錛堜竴錛夌數(shù)紓佸共鎵伴棶棰?/h3>
PWM 璋冨厜鍦ㄥ疄闄呭簲鐢ㄤ腑錛屼細(xì)闈復(fù)鐢電騫叉壈榪欎竴鎸戞垬銆傜敱浜?PWM 璋冨厜渚濋潬蹇�熷湴寮�鍚拰鍏抽棴鏉ヨ皟鑺備寒搴︼紝鍏朵俊鍙峰湪鍙樺寲榪囩▼涓細(xì)浜х敓鐢電杈愬皠錛屽挨鍏跺綋 PWM 淇″彿鐨勯鐜囪緝楂樻椂錛岃繖縐嶇數(shù)紓佸共鎵伴棶棰樹細(xì)鏇村姞鏄庢樉銆備緥濡傚湪涓�浜涘鐢電鐜瑕佹眰杈冧負(fù)涓ユ牸鐨勫満鎵�錛屽儚鍖婚櫌鐨勭簿瀵嗗尰鐤楄澶囧懆杈廣�侀�氫俊鍩虹珯闄勮繎絳夛紝濡傛灉瀛樺湪杈冨己鐨勭數(shù)紓佸共鎵幫紝灝卞彲鑳藉獎(jiǎng)鍝嶅叾浠栫數(shù)瀛愯澶囩殑姝ｅ父榪愯銆?/p>
鍏蜂綋鑰岃█錛孭WM 淇″彿浜х敓鐨勭數(shù)紓佸共鎵板彲鑳戒細(xì)閫氳繃鐢墊簮綰褲�佷俊鍙風(fēng)嚎絳夐�斿緞浼犲錛屽共鎵板悓涓�鐢電綉鎴栬�呯浉榪炵嚎璺笂鐨勫叾浠栬澶囷紝瀵艱嚧璁懼鍑虹幇榪愯閿欒銆佷俊鍙峰け鐪熺瓑鎯呭喌銆傝�屼笖浠庤緪灝勮搴︽潵鐪嬶紝瀹冨氨濡傚悓涓�涓皬鍨嬬殑鐢電娉㈠彂灝勬簮錛屽懆杈圭殑鐢?shù)瀛愯畱证囪嫢鐢?shù)紓佸吋瀹規(guī)�т笉浣籌紝鎺ユ敹鍒拌繖浜涘共鎵扮數(shù)紓佹嘗鍚庯紝涔熶細(xì)鍑虹幇鍔熻兘寮傚父銆?/p>
涓轟簡(jiǎn)鍑忓皯鐢電騫叉壈錛岃涓氬唴閲囧彇浜?jiǎn)澶毧U嶅父瑙佺殑鏂規(guī)硶銆傚湪紜歡鏂歸潰錛屼細(xì)浣跨敤灞忚斀鏉愭枡瀵逛駭鐢?PWM 淇″彿鐨勭數(shù)璺垨鑰呰澶囪繘琛屽寘瑁癸紝姣斿閲囩敤閲戝睘灞忚斀緗╋紝闃繪鐢電淇″彿鍚戝杈愬皠錛屽氨鍍忔垜浠父瑙佺殑涓�浜涢珮鍝佽川鐢?shù)鑴戜咐L満鍐咃紝瀵逛簬鏄懼崱銆佷富鏉跨瓑鍏抽敭閮ㄤ歡涓秹鍙?PWM 璋冨厜鐨勯儴鍒嗭紝浼?xì)閰嶅閲戝睘灞忚斀缃╂潵闄嶄綆瀵瑰鐣岀殑骞叉壈銆傚悓鏃訛紝鍚堢悊甯冪疆綰胯礬涔熷緢鍏抽敭錛屽皢鐢墊簮綰褲�佷俊鍙風(fēng)嚎涓?PWM 璋冨厜鐩稿叧綰胯礬鍒嗗紑閾鴻錛岄伩鍏嶇浉浜掍箣闂寸殑鐢電鑰﹀悎錛屽噺灝戝共鎵頒紶瀵箋�傚湪杞歡鏂歸潰錛屽垯鍙互閫氳繃浼樺寲 PWM 淇″彿鐨勮皟鍒舵柟寮忥紝渚嬪閲囩敤鍚屾 PWM 璋冨埗錛屽皢澶氫釜 PWM 淇″彿鍚屾鍒頒竴涓叕鍏辨椂閽熶俊鍙鳳紝浠ユ鏉ュ噺灝戠數(shù)紓佸共鎵幫紝鎻愰珮鏁翠釜緋葷粺鐨勭ǔ瀹氭�с�傚彟澶栵紝榪樺彲浠ラ�氳繃闄嶄綆 PWM 淇″彿鐨勮澆娉㈤鐜囩瓑鎵嬫錛屽湪涓�瀹氱▼搴︿笂緙撹В鐢電騫叉壈闂錛屼絾榪欓渶瑕佺患鍚堣�冭檻瀵硅皟鍏夋晥鏋滅殑褰卞搷鏉ュ悎鐞嗚緗�?/p>
錛堜簩錛夎瑙夐棯鐑侀棶棰?/h3>
鍦ㄩ儴鍒嗘儏鍐典笅錛屼漢鐪間細(xì)鎰熺煡鍒?PWM 璋冨厜甯︽潵鐨勮瑙夐棯鐑侊紝榪欎富瑕佸彇鍐充簬 PWM 璋冨厜鐨勯鐜囥�備漢鐪煎瓨鍦ㄨ瑙夋殏鐣欑幇璞★紝褰?PWM 璋冨厜鐨勯鐜囦笉澶熼珮鏃訛紝浜虹溂鑳藉瀵熻鍒板厜婧愬湪蹇�熷湴浜伃浜ゆ浛錛屼粠鑰屼駭鐢熼棯鐑佹劅錛岄暱鏃墮棿澶勪簬榪欐牱鐨勮瑙夌幆澧冧笅錛屽鏄撳紩鍙戣瑙夌柌鍔籌紝鐢氳嚦鍙兘瀵硅鍔涢�犳垚涓嶈壇褰卞搷銆?/p>
涓洪伩鍏嶄漢鐪兼劅鐭ュ埌榪欑闂儊錛屽氨闇�瑕佷繚璇?PWM 璋冨厜鍏鋒湁瓚沖楂樼殑棰戠巼銆備竴鑸潵璇達(dá)紝褰?PWM 璋冨厜棰戠巼杈懼埌 2kHz 浠ヤ笂鏃訛紝澶ч儴鍒嗕漢鐪煎氨杈冮毦鎰熺煡鍒伴棯鐑佷簡(jiǎn)銆備笉榪囷紝涓嶅悓鐨勫簲鐢ㄥ満鏅浜庡悎閫傜殑棰戠巼璁劇疆瑕佹眰涔熶笉灝界浉鍚屻�?/p>
姣斿鍦ㄦ墜鏈哄睆騫曠殑搴旂敤涓紝濡備粖寰堝涓珮绔墜鏈洪兘閲囩敤浜?jiǎn)楂橀?PWM 璋冨厜鎶�鏈紝鍍忛儴鍒嗘満鍨嬬殑灞忓箷璋冨厜棰戠巼鑳借揪鍒?2160Hz錛屾棤璁烘槸鍦ㄦ埛澶栧己鍏変笅鏌ョ湅鍦板浘銆佷俊鎭紝榪樻槸鍦ㄥ闂存槒鏆楃幆澧冧腑榪藉墽銆佸埛鐭棰戠瓑錛岄兘鑳借鐢ㄦ埛鍑犱箮瀵熻涓嶅埌灞忓箷鐨勯棯鐑侊紝鎻愪緵鑸掗�傜殑瑙嗚鎰熷彈銆傝�屽浜庣數(shù)鑴戞樉紺哄櫒錛屾棩甯稿姙鍏満鏅笅錛岄�氬父 1kHz - 2kHz 宸﹀彸鐨?PWM 璋冨厜棰戠巼灝辮兘婊¤凍鍩烘湰闇�姹傦紝璁╀嬌鐢ㄨ�呭湪闀挎椂闂寸洴鐫�灞忓箷澶勭悊鏂囨。銆佸埗浣滆〃鏍肩瓑宸ヤ綔鏃訛紝鐪肩潧涓嶄細(xì)鍥犱負(fù)鏄庢樉鐨勯棯鐑佽�岃繃浜庣柌鍔籌紱浣嗗湪涓�浜涘鏄劇ず鏁堟灉瑕佹眰鏇撮珮鐨勪笓涓氳璁°�佸獎(jiǎng)瑙嗗埗浣滅瓑棰嗗煙錛屽彲鑳藉氨闇�瑕佹洿楂橀鐜囩殑 PWM 璋冨厜錛屾潵紜繚鐢婚潰鍒囨崲銆佽壊褰╂樉紺虹瓑榪囩▼涓笉浼?xì)鍑虹幇闂儊骞叉壈瑙嗚鍒ゆ柇銆傚湪鐢?shù)瑙嗚儗鍏夊簲鐢ㄦ枤w潰錛岃�冭檻鍒拌浼楄鐪嬬數(shù)瑙嗙殑璺濈鐩稿杈冭繙錛屼互鍙?qiáng)鑺傜洰鍐呭鐨勫鏍峰寲锛屼竴鑸?1kHz - 1.5kHz 宸﹀彸鐨?PWM 璋冨厜棰戠巼涔熻兘瀹炵幇杈冨ソ鐨勮瑙夋晥鏋滐紝涓嶈繃涓�浜涢珮绔數(shù)瑙嗕負(fù)浜?jiǎn)杩芥眰鏋佽嚧鐨勮鐪嬩綋楠屽Q屽悓鏍蜂細(xì)閲囩敤鏇撮珮棰戠巼鐨?PWM 璋冨厜鎶�鏈紝璁╃敾闈㈠湪鎾斁鍚勭綾誨瀷鐨勮妭鐩紝濡備綋鑲茶禌浜嬨�佺數(shù)褰卞ぇ鐗囩瓑鏃訛紝閮借兘鍛堢幇鍑虹ǔ瀹氥�佹祦鐣呬笖鏃犻棯鐑佺殑瑙嗚鐩涘銆?/p>
錛堜笁錛夋垚鏈棶棰?/h3>
閲囩敤 PWM 璋冨厜鎶�鏈紝鍦ㄧ‖浠跺拰杞歡鏂歸潰閮藉彲鑳戒細(xì)澧炲姞涓�瀹氱殑鎴愭湰銆傚湪紜歡涓婏紝涓轟簡(jiǎn)瀹炵幇 PWM 璋冨厜鍔熻兘錛屽線寰�闇�瑕侀厤澶囦笓闂ㄧ殑寰帶鍒跺櫒鎴栬�?PWM 璋冨厜鑺墖錛岃繖浜涜姱鐗囩殑閲囪喘鎴愭湰鐩歌緝浜庢櫘閫氱殑鐢?shù)璧\鍏冧歡瑕佹洿楂樹竴浜涖�傝�屼笖錛屼負(fù)浜?jiǎn)纭?PWM 淇″彿鑳藉紼沖畾銆佸噯紜湴椹卞姩 LED 絳夊彂鍏夊厓浠訛紝榪橀渶瑕侀�夋嫨鍚堥�傜殑椹卞姩鍣ㄤ互鍙?qiáng)娣诲姞鐩稿簲鐨勪繚鎶ゅ厓錃g錛岃繖鏃犵枒涔熷鍔犱簡(jiǎn)紜歡鏂歸潰鐨勫紑鏀�備緥濡傚湪涓�浜涢珮绔殑鑸炲彴鐏厜璁懼涓紝瑕佸疄鐜板鏉備笖綺劇‘鐨勭伅鍏変寒搴︽帶鍒訛紝鎵�閫夌敤鐨?PWM 璋冨厜鐩稿叧紜歡灝辨瘮杈冩槀璐碉紝鍏舵暣浣撶‖浠舵垚鏈浉姣旀櫘閫氱収鏄庣伅鍏瘋楂樺嚭涓嶅皯銆?/p>
鍦ㄨ蔣浠舵柟闈紝闇�瑕佺紪鍐欑▼搴忔潵綺懼噯鎺у埗 PWM 淇″彿鐨勯鐜囧拰鍗犵┖姣旓紝浠ヨ揪鍒版墍闇�鐨勪寒搴﹁皟鑺傛晥鏋滐紝榪欒姹傚紑鍙戜漢鍛樺叿澶囦竴瀹氱殑涓撲笟緙栫▼鑳藉姏錛屽鍔犱簡(jiǎn)杞歡寮�鍙戞垚鏈�傚茍涓斿湪璋冭瘯榪囩▼涓紝鐢變簬 PWM 璋冨厜娑夊強(qiáng)鍒拌緝涓哄鏉傜殑淇″彿鎺у埗鍜岀數(shù)紓佸吋瀹規(guī)�х瓑闂錛岃皟璇曢毦搴︾浉瀵硅緝澶э紝鑰楁椂杈冮暱錛屼篃闂存帴澧炲姞浜?jiǎn)鎴愭湰鎶曞叆銆?/p>
鐒惰�岋紝鍦ㄥ疄闄呭簲鐢ㄤ腑闇�瑕佸鎴愭湰涓庢晥鐩婅繘琛屾潈琛★紝浠ュ疄鐜版渶浣?jīng)_簲鐢ㄦ晥鏋溿�傛瘮濡傚湪涓�浜涘鎴愭湰杈冧負(fù)鏁忔劅鐨勫ぇ瑙勬ā瀹ゅ唴鐓ф槑欏圭洰涓紝鍍忔櫘閫氱殑鍔炲叕鍦烘墍銆佸鏍℃暀瀹ょ瓑錛屽鏋滈綆楁湁闄愶紝鍙互閫夋嫨涓�浜涙�т環(huán)姣旈珮鐨勩�侀鐜囩◢浣庝絾鑳芥弧瓚沖熀鏈瑙夐渶姹傜殑 PWM 璋冨厜鏂規(guī)錛屽湪淇濋殰涓�瀹氱殑浜害璋冭妭鍔熻兘鐨勫悓鏃訛紝鎺у埗濂芥垚鏈紱鑰屽浜庡儚楂樼鍟嗕笟灞曠ず銆佷笓涓氬獎(jiǎng)瑙嗗埗浣滅瓑瀵硅皟鍏夋晥鏋滆姹傛瀬楂樼殑鍦烘櫙錛屽敖綆℃垚鏈緝楂橈紝浣嗕負(fù)浜?jiǎn)瀹炵幇鍑鸿壊鐨勭伅鍏夋皼鍥磋惀閫犮�佺簿鍑嗙殑浜害鎺у埗浠ュ強(qiáng)閬垮厤闂儊絳夐珮璐ㄩ噺瑙嗚鏁堟灉錛屾姇鍏ユ洿澶氭垚鏈噰鐢ㄩ珮鎬ц兘鐨?PWM 璋冨厜鎶�鏈氨鏄�煎緱鐨勶紝鑳藉甯︽潵鏇村ソ鐨勫睍紺烘晥鏋滃拰鐢ㄦ埛浣撻獙錛屼粠闀胯繙鏉ョ湅錛屼篃鏈夊姪浜庢彁鍗囧晢涓氫環(huán)鍊肩瓑鏁堢泭銆?/p>
浜斻�侀儙鐗圭鎶�鍦?PWM 璋冨厜搴旂敤涓殑瑙掕壊
錛堜竴錛夐儙鐗圭鎶�鐩稿叧浜у搧涓殑搴旂敤浣撶幇
閮庣壒縐戞妧鍦ㄤ紬澶氱伅鍏蜂駭鍝佷腑宸у榪愮敤浜?PWM 璋冨厜鎶�鏈紝灞曠幇鍑轟簡(jiǎn)鍑?guó)檳茬殑搴旂敤鏁堟灉銆?/p>
渚嬪鍏舵帹鍑虹殑璋冨厜璋冭壊娓╁惛欏剁伅 18w 鐩村緞 300mm 榪欐浜у搧錛屽姛鐜囦負(fù) 18w錛岀洿寰勪負(fù) 300mm錛岄�傜敤浜庡悇綾誨搴拰鍟嗕笟鐜銆傚畠鐨勮皟鍏夊姛鑳戒究鏄熀浜?PWM錛堣剦瀹借皟鍒訛級(jí)鎺у埗鍘熺悊錛岄�氳繃璋冭妭鐢墊祦鐨勫崰絀烘瘮錛岀伅鍏瘋兘澶熷疄鐜頒粠 0% 鍒版渶澶т寒搴︾殑騫蟲粦榪囨浮銆傚湪瀹為檯浣跨敤涓紝鐢ㄦ埛鍙互鏍規(guī)嵁涓嶅悓鐨勫満鏅渶姹傛潵璋冭妭浜害錛屽儚鍦ㄥ搴崸瀹わ紝澶滄櫄鍑嗗鍏ョ潯鏃訛紝鍙埄鐢?PWM 璋冨厜灝嗙伅鍏夎皟鑷沖緢浣庣殑浜害錛岃惀閫犲嚭鏌斿拰銆侀潤(rùn)璋х殑姘涘洿錛屽府鍔╂斁鏉捐韓蹇?jī)锛屽揩閫熻繘鍏ョ潯鐪犵姸鎬侊紱鑰屽湪闃呰鏃訛紝鍙堣兘閫傚綋鎻愰珮浜害錛屾弧瓚沖厖瓚崇殑鍏夌嚎闇�姹傦紝鍚屾椂閬垮厤榪囦寒鍒虹溂銆傚湪瀹㈠巺瑙傚獎(jiǎng)鏃訛紝閫氳繃璇ユ妧鏈妸鐏厜璋冩殫錛屾墦閫犲嚭綾諱技褰遍櫌鐨勬晥鏋滐紝璁╄褰變綋楠屾洿鍔犳矇嫻革紱鏈夊浜烘潵璁胯仛浼?xì)鏃跺Q岃皟浜伅鍏夊氨鑳借鏁翠釜絀洪棿鍏呮弧鐑椆嬈㈠揩鐨勬皼鍥淬�?/p>
榪樻湁閬ユ帶 LED 鐏錛屽畠涔熸槸閮庣壒縐戞妧鏃椾笅榪愮敤 PWM 璋冨厜鎶�鏈殑浠ｈ〃浜у搧涔嬩竴銆傚叾鐢卞叿澶囪皟鍏夎皟鑹叉俯鍔熻兘鐨勯珮鍝佽川 LED 鐏銆侀仴鎺у櫒浠ュ強(qiáng)鎺у埗妯″潡緇勬垚銆傞仴鎺у櫒閫氳繃鏃犵嚎淇″彿錛堝綰㈠綰褲�佽摑鐗欐垨 wi-fi錛夊悜鎺у埗妯″潡鍙戦�佹寚浠わ紝鎺у埗妯″潡閲囩敤鍏堣繘鐨?PWM 鎶�鏈紝瀹炵幇瀵?LED 鐢墊祦鐨勭簿紜帶鍒訛紝閫氳繃鏀瑰彉鏁翠綋鐨勭數(shù)嫻佸ぇ灝忎互鍙?qiáng)璋冩?LED 鐏涓笉鍚岄鑹詫紙濡傚喎鐧姐�佹殩鐧斤級(jí)LED 鑺墖鐨勭數(shù)嫻佹瘮渚嬶紝浠庤�屽疄鐜扮伅綆′寒搴﹀拰鑹叉俯鐨勮皟鑺傦紝璁╃敤鎴峰彲浠ユ牴鎹釜浜哄枩濂藉拰瀹為檯鐜闇�姹傦紝闅忔椂闅忓湴鍒涢�犲嚭鑸掗�傘�佹俯棣ㄧ殑鐓ф槑姘涘洿銆?/p>
鍙﹀錛岄儙鐗圭収鏄庣簿蹇?jī)鐮斿彂鐨勮皟鍏夐潰鏉跨伅閬ユ帶鏂规?LT-PBD 鍚屾牱鍊煎緱涓�鎻愩�傝繖嬈句駭鍝佺粨鏋勭揣鍑戯紝鎿嶄綔綆�渚匡紝閲囩敤鍏堣繘鐨?PWM 璋冨厜鎶�鏈紝閫氳繃蹇�熺殑寮�鍏蟲帶鍒訛紝瀹炵幇鐏厜鐨勪寒搴﹁皟鑺傘�傚叾閬ユ帶璺濈杈懼埌 10 綾籌紝閰嶅鐨勬櫤鑳介仴鎺у櫒鍏峰澶氱鎺у埗鍔熻兘錛屽寘鎷紑鍏熾�佷寒搴﹁皟鑺傘�佸畾鏃跺叧鐏拰鍦烘櫙鍒囨崲絳夛紝榪樺甫鏈夋櫤鑳借蹇嗗姛鑳斤紝鑳藉鑷姩淇濆瓨涓婁竴嬈＄殑浜害璁懼畾錛屾柟渚夸笅嬈′嬌鐢紝寮烘姉騫叉壈鑳藉姏涔熻鍏舵�ц兘紼沖畾鍙潬錛岄�傜敤浜庡悇綾誨眳浣忔埧灞嬨�侀厭搴椼�佸姙鍏絳夊鍐呯収鏄庡満鎵�錛屾棤璁烘槸闇�瑕佹槑浜収鏄庤繕鏄煍鍜屾俯鏆栫殑鍏夌嚎錛屽畠閮借兘婊¤凍瑕佹眰錛屼負(fù)鐢ㄦ埛钀ラ�犲嚭鑸掗�傘�佹俯棣ㄧ殑鍏夌嚎鐜銆?/p>
錛堜簩錛夐儙鐗圭鎶�瀵?PWM 璋冨厜鎶�鏈彂灞曠殑鎺ㄥ姩浣滅敤
鍦?PWM 璋冨厜鎶�鏈殑鍙戝睍榪涚▼涓紝閮庣壒縐戞妧鍙戞尌浜?jiǎn)绉瀬鐨勬帹鍔ㄤ綔鐢ㄣ�?/p>
鐮斿彂鏂歸潰錛岄儙鐗圭鎶�鎶曞叆浜?jiǎn)澶ч噺鐨勪汉鍔涘拰鐗╁姏锛屼笉鏂帰鐑?chǔ)濡備綍浼樺寲 PWM 璋冨厜鎶�鏈湪鐏叿浜у搧涓殑搴旂敤鏁堟灉銆傚叾涓撲笟鐨勭爺鍙戝洟闃熸繁鍏ョ爺絀?PWM 淇″彿鐨勬帶鍒舵柟寮忋�佸崰絀烘瘮璋冭妭綺懼害絳夊叧閿妧鏈偣錛岃嚧鍔涗簬鎻愬崌璋冨厜鐨勭粏鑵葷▼搴﹀拰綺懼噯搴︼紝浣垮緱鏃椾笅鐏叿浜у搧鑳藉瀹炵幇鏇村姞騫蟲粦銆佽嚜鐒剁殑浜害鍙樺寲錛屾弧瓚崇敤鎴峰浜庨珮鍝佽川鐓ф槑浣撻獙鐨勯渶姹傘�?/p>
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