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PWM 璋冨厜錛氬師鐞嗐�佺壒鐐廣�佷紭鍔夸笌搴旂敤鍏ㄨВ鏋?/span>

2025-09-09

PWM 璋冨厜錛氬師鐞嗐�佺壒鐐廣�佷紭鍔夸笌搴旂敤鍏ㄨВ鏋?/h1>

   PWM錛圥ulse Width Modulation錛岃剦鍐插搴﹁皟鍒訛級(jí)璋冨厜鏄竴縐嶉�氳繃楂橀鑴夊啿淇″彿鐨?鈥滃崰絀烘瘮鈥?鍙樺寲鏉ユ帶鍒剁伅鍏変寒搴︾殑鎶�鏈紝鏍稿績(jī)鏄埄鐢ㄤ漢鐪肩殑 鈥滆瑙夋殏鐣欐晥搴斺�濓紙浜虹溂鏃犳硶鍒嗚鯨楂橀闂儊錛屼細(xì)灝嗚剦鍐插厜鎰熺煡涓鴻繛緇厜錛夛紝閫氳繃璋冩暣 鈥滀寒鈥?鍜?鈥滅伃鈥?鐨勬椂闂存瘮渚嬶紙鍗犵┖姣旓級(jí)錛屽疄鐜頒寒搴︾殑綰挎�ц皟鑺傘�?/p>

涓�銆丳WM 璋冨厜鐨勬牳蹇?jī)鍘熺?/h2>

PWM 璋冨厜涓嶇洿鎺ユ敼鍙樼數(shù)婧愮數(shù)鍘嬫垨鐢墊祦鐨勫ぇ灝忥紝鑰屾槸浠?span style="border: 0px solid; box-sizing: border-box; margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: ; outline: none; font-weight: 600; line-height: 26.25px; color: rgba(0, 0, 0, 0.95) !important;">鍥哄畾棰戠巼錛堥�氬父涓?200Hz-20kHz錛岄珮绔満鏅彲杈?100kHz 浠ヤ笂錛夎緭鍑?guó)檮夊啿淇″忴P紝閫氳繃璋冩暣鑴夊啿涓?鈥滈珮鐢?shù)邈^錛堢伅浜級(jí)鈥?涓?鈥滀綆鐢?shù)邈^錛堢伅鐏級(jí)鈥?鐨勬椂闂村崰姣旓紙鍗?鈥滃崰絀烘瘮鈥濓級(jí)錛岄棿鎺ユ帶鍒跺崟浣嶆椂闂村唴鐨勫厜杈撳嚭鎬婚噺錛屼粠鑰屽疄鐜頒寒搴﹁皟鑺傦細(xì)


  • 鍗犵┖姣?= 楂樼數(shù)騫蟲(chóng)椂闂?/ 鑴夊啿鍛ㄦ湡 脳100%

    • 褰撳崰絀烘瘮涓?100% 鏃訛細(xì)鑴夊啿鍏ㄤ負(fù)楂樼數(shù)騫籌紝鐏厜鎸佺畫鐐逛寒錛屼寒搴︽渶澶э紱

    • 褰撳崰絀烘瘮涓?50% 鏃訛細(xì)楂樼數(shù)騫沖拰浣庣數(shù)騫沖悇鍗犱竴鍗婏紝鐏厜 鈥滀寒 0.5 鍛ㄦ湡銆佺伃 0.5 鍛ㄦ湡鈥濓紝浜虹溂鎰熺煡浜害涓烘渶澶т寒搴︾殑 50%錛?/p>

    • 褰撳崰絀烘瘮涓?0% 鏃訛細(xì)鑴夊啿鍏ㄤ負(fù)浣庣數(shù)騫籌紝鐏厜瀹屽叏鐔勭伃銆?/p>


渚嬪錛氳嫢鑴夊啿棰戠巼涓?1kHz錛堝懆鏈?1ms錛夛紝鍗犵┖姣?30% 鎰忓懗鐫� 鈥滅伅浜?0.3ms銆佺伃 0.7ms鈥濓紝寰幆寰�澶嶏紝浜虹溂鍥犺瑙夋殏鐣欐棤娉曞療瑙夐棯鐑侊紝浠呮劅鐭ュ埌 30% 鐨勪寒搴︺�?/p>

浜屻�丳WM 璋冨厜鐨勬牳蹇?jī)鐗圭偣锛堜?0-10V 璋冨厜瀵規(guī)瘮錛?/h2>

PWM 璋冨厜浣滀負(fù)鏁板瓧璋冨厜鎶�鏈紝涓?0-10V 妯℃嫙璋冨厜鍦ㄦ姉騫叉壈銆佺簿搴︺�佸吋瀹規(guī)�х瓑鏂歸潰宸紓鏄捐憲錛屽叿浣撳姣斿涓嬶細(xì)


瀵規(guī)瘮緇村害PWM 璋冨厜錛堟暟瀛椾俊鍙鳳級(jí)0-10V 璋冨厜錛堟ā鎷熶俊鍙鳳級(jí)
鎶楀共鎵拌兘鍔?/span>寮猴紙鏁板瓧淇″彿浠?鈥?/1鈥?涓ょ鐘舵�侊紝騫叉壈闇�瓚呰繃闃堝�兼墠浼?xì)璇垽锛岄暱璺澕浿M紶杈撲笉鏄撳彈鐢電騫叉壈錛?/td>寮憋紙妯℃嫙鐢?shù)鍘嬩俊鍙锋槗鍙楃旊姡侐q叉壈錛岄暱璺濈闇�灞忚斀綰匡級(jí)
璋冨厜綺懼害楂橈紙鍗犵┖姣斿彲綺劇‘鍒?1% 鐢氳嚦 0.1%錛屼寒搴﹁皟鑺傜嚎鎬у害濂斤紝鏃?鈥滀寒搴﹀彴闃垛�濓級(jí)涓紙鍙楃數(shù)鍘嬫嘗鍔ㄣ�佺嚎璺“鍑忓獎(jiǎng)鍝嶏紝綺懼害澶氫負(fù) 5%-10%錛?/td>
浼犺緭璺濈榪滐紙鏅�氶潪灞忚斀綰垮彲浼?50-100 綾籌紝鍔犱腑緇у櫒鍙洿榪滐級(jí)榪戯紙闈炲睆钄界嚎 < 30 綾籌紝灞忚斀綰?< 50 綾籌紝闀胯窛紱婚渶涓戶錛?/td>
棰戦棯椋庨櫓浣庯紙棰戠巼 > 2kHz 鏃訛紝浜虹溂鏃犻闂劅鐭ワ紱鍔ｈ川浜у搧棰戠巼浣庯紙<500Hz錛夊彲鑳芥湁棰戦棯錛?/td>浣庯紙妯℃嫙璋冨厜鏃犺剦鍐詫紝鏈川鏃犻闂紝浣嗙數(shù)婧愭嘗鍔ㄥ彲鑳藉鑷撮棯鐑侊級(jí)
鍏煎鎬?/span>涓瓑錛堥渶鐏叿 / 椹卞姩鍣ㄦ敮鎸?PWM 鍗忚錛屼笉鍚屽搧鐗屽彲鑳藉瓨鍦ㄥ崗璁吋瀹規(guī)�ч棶棰橈級(jí)楂橈紙閫氱敤妯℃嫙淇″彿錛岀粷澶у鏁?LED 椹卞姩鍣ㄦ敮鎸?0-10V 璋冨厜錛?/td>
鎴愭湰鐣ラ珮錛堟帶鍒跺櫒銆侀┍鍔ㄥ櫒闇�鏁板瓧淇″彿澶勭悊鑺墖錛屾垚鏈瘮 0-10V 楂?10%-30%錛?/td>浣庯紙妯℃嫙鐢?shù)璧\綆�鍗曪紝鎺у埗鍣ㄣ�侀┍鍔ㄥ櫒鎴愭湰浣庯級(jí)

涓夈�丳WM 璋冨厜鐨勫父瑙侀棶棰樹(shù)笌瑙ｅ喅鏂規(guī)

灝界 PWM 璋冨厜鎶楀共鎵拌兘鍔涘己錛屼絾瀹為檯搴旂敤涓粛鍙兘鍑虹幇闂錛岄渶閽堝鎬цВ鍐籌細(xì)

1. 棰戦棯闂錛堟渶甯歌錛?/h3>

  • 闂琛ㄧ幇錛氱伅鍏夎倝鐪煎彲瑙侀棯鐑侊紝鎴栫敤鎵嬫満鎽勫儚澶存媿鎽勬椂鍑虹幇 鈥滄í綰規(guī)粴鍔ㄢ�濓紝闀挎湡浣跨敤鏄撳鑷磋瑙夌柌鍔熾�?/p>

  • 鏍稿績(jī)鍘熷洜錛歅WM 棰戠巼榪囦綆錛堝 <1kHz錛夛紝鎴栭鐜囦笌鎵嬫満閲囨牱棰戠巼錛堥�氬父 30Hz/60Hz錛変駭鐢?鈥滄媿棰戔�濓紝瀵艱嚧鎽勫儚澶存崟鎹夊埌鑴夊啿闂撮殭銆?/p>

  • 瑙ｅ喅鏂規(guī)錛?/p>

    • 閫夊瀷鏃朵紭鍏堥�夋嫨 鈥滈珮棰?PWM 璋冨厜鈥?浜у搧錛堥鐜団墺2kHz錛岄珮绔駭鍝佸彲杈?10kHz 浠ヤ笂錛屽閮ㄥ垎鍝佺墝鐨?鈥滄棤棰戦棯 PWM 椹卞姩鍣ㄢ�濓級(jí)錛?/p>

    • 鑻ュ凡瀹夎浣庨浜у搧錛屽彲鏇存崲 鈥淧WM 棰戠巼鍙皟鎺у埗鍣ㄢ�濓紝灝嗛鐜囨彁鍗囪嚦 2kHz 浠ヤ笂錛堥渶紜椹卞姩鍣ㄦ敮鎸佺殑鏈�楂橀鐜囷紝閬垮厤瓚呴鎹熷潖錛夈�?/p>

2. 鍗忚鍏煎鎬ч棶棰?/h3>

  • 闂琛ㄧ幇錛氫笉鍚屽搧鐗岀殑 PWM 鎺у埗鍣ㄤ笌椹卞姩鍣ㄨ繛鎺ュ悗錛屽嚭鐜?鈥滆皟鍏夋棤鍙嶅簲鈥濃�滀寒搴﹁皟鑺傞潪綰挎�р�濓紙濡傚崰絀烘瘮 50% 鏃朵寒搴︿笉鏄?50%錛夈�?/p>

  • 鏍稿績(jī)鍘熷洜錛歅WM 璋冨厜鏃犲畬鍏ㄧ粺涓�鐨勮涓氭爣鍑嗭紝閮ㄥ垎鍝佺墝瀵?鈥滈珮鐢?shù)邈^鐢?shù)鍘嬧�濓紙濡?5V/12V錛夈�佲�滈鐜囪寖鍥粹�濓紙濡?500Hz-5kHz錛夌殑瑕佹眰涓嶅悓錛屽鑷翠笉鍏煎銆?/p>

  • 瑙ｅ喅鏂規(guī)錛?/p>

    • 浼樺厛閫夋嫨 鈥滃悓鍝佺墝鈥?鐨勬帶鍒跺櫒涓庨┍鍔ㄥ櫒錛岄伩鍏嶈法鍝佺墝鎼厤錛?/p>

    • 璺ㄥ搧鐗屼嬌鐢ㄥ墠錛岀‘璁や袱鑰呯殑 鈥淧WM 鍙傛暟鍖歸厤鈥濓細(xì)楂樼數(shù)騫崇數(shù)鍘嬶紙閫氬父涓?5V/12V錛夈�侀鐜囪寖鍥達(dá)紙寤鴻 1kHz-5kHz錛夈�佸崰絀烘瘮鑼冨洿錛?%-100%錛夛紱

    • 鑻ュ弬鏁頒笉鍖歸厤錛屽彲澧炲姞 鈥淧WM 淇″彿杞崲鍣ㄢ�濓紙濡傚皢 5V 楂樼數(shù)騫寵漿鎹負(fù) 12V 楂樼數(shù)騫籌級(jí)錛岄�傞厤涓嶅悓璁懼鐨勪俊鍙瘋姹傘�?/p>

3. 闀胯窛紱諱紶杈撲俊鍙瘋“鍑忥紙楂橀鍦烘櫙錛?/h3>

  • 闂琛ㄧ幇錛氫紶杈撹窛紱昏秴榪?100 綾沖悗錛岃皟鍏夌簿搴︿笅闄嶏紙濡傚崰絀烘瘮 50% 鏃跺疄闄呬寒搴︿粎 40%錛夛紝鎴栨帶鍒跺櫒鏃犲弽搴斻�?/p>

  • 鏍稿績(jī)鍘熷洜錛氶珮棰?PWM 淇″彿錛堝 > 10kHz錛夊湪瀵肩嚎涓紶杈撴椂錛屾槗鍥?鈥滆秼鑲ゆ晥搴斺�濓紙鐢墊祦闆嗕腑鍦ㄥ綰胯〃闈級(jí)瀵艱嚧淇″彿琛板噺錛屽挨鍏墮潪灞忚斀綰胯“鍑忔洿鏄庢樉銆?/p>

  • 瑙ｅ喅鏂規(guī)錛?/p>

    • 浼犺緭璺濈 > 50 綾蟲(chóng)椂錛岄�夌敤 鈥滃睆钄藉弻緇炵嚎錛圫TP錛夆�濓紝鍑忓皯楂橀淇″彿鐨勮緪灝勮“鍑忥紱

    • 姣?100-150 綾沖鍔?1 鍙?鈥淧WM 淇″彿涓戶鍣ㄢ�濓紝鏀懼ぇ琛板噺鐨勬暟瀛椾俊鍙鳳紙涓戶鍣ㄩ渶鏀寔瀵瑰簲 PWM 棰戠巼錛岄伩鍏嶄俊鍙峰け鐪燂級(jí)錛?/p>

    • 鑻ヨ窛紱繪瀬榪滐紙濡?200 綾充互涓婏級(jí)錛屽彲鏀圭敤 鈥淩S485 杞?PWM鈥?鏂規(guī)錛氬厛閫氳繃 RS485錛堟姉騫叉壈鏇村己銆佷紶杈撴洿榪滐級(jí)浼犺緭鎺у埗淇″彿錛屽啀鍦ㄧ伅鍏風(fēng)鐢ㄨ漿鎹㈠櫒灝?RS485 淇″彿杞負(fù) PWM 淇″彿銆?/p>

4. 璐熻澆鍖歸厤闂錛堝鐏叿騫惰仈錛?/h3>

  • 闂琛ㄧ幇錛氬崟鍥炶礬騫惰仈澶氱洀鐏叿鍚庯紝閮ㄥ垎鐏叿浜害涓嶄竴鑷達(dá)紝鎴栨帶鍒跺櫒榪囪澆淇濇姢銆?/p>

  • 鏍稿績(jī)鍘熷洜錛歅WM 鎺у埗鍣ㄧ殑 鈥滆緭鍑虹數(shù)嫻佲�?鏈夐檺錛堝姣忚礬鏈�澶ц緭鍑?100mA錛夛紝騫惰仈鐏叿榪囧鏃訛紝鎬葷數(shù)嫻佽秴榪囨帶鍒跺櫒璐熻澆涓婇檺錛涙垨椹卞姩鍣ㄧ殑 鈥滆緭鍏ラ樆鎶椻�?涓嶄竴鑷達(dá)紝瀵艱嚧鍚勭伅鍏峰垎閰嶇殑淇″彿鐢墊祦涓嶅悓銆?/p>

  • 瑙ｅ喅鏂規(guī)錛?/p>

    • 鏌ョ湅鎺у埗鍣ㄨ鏍間功錛岀‘璁?鈥滃崟璺渶澶ц礋杞界數(shù)嫻佲�濓紝璁＄畻騫惰仈鐏叿鏁伴噺錛堟瘡鐩忛┍鍔ㄥ櫒鐨?PWM 淇″彿杈撳叆鐢墊祦閫氬父涓?5mA-10mA錛屽 100mA 鎺у埗鍣ㄥ彲甯?10-20 鐩忥級(jí)錛?/p>

    • 瓚呰繃璐熻澆涓婇檺鏃訛紝鎷嗗垎鍥炶礬錛堟瘡鍥炶礬甯﹁澆涓嶈秴榪囨帶鍒跺櫒鍗曡礬鏈�澶х數(shù)嫻侊級(jí)錛屾垨閫夌敤 鈥滃璺?PWM 鎺у埗鍣ㄢ�濓紱

    • 鑻ヤ寒搴︿笉涓�鑷達(dá)紝浼樺厛鏇存崲鍚屼竴鎵規(guī)銆佸悓鍨嬪彿鐨勯┍鍔ㄥ櫒錛岀‘淇濊緭鍏ラ樆鎶椾竴鑷淬�?/p>

鍥涖�丳WM 璋冨厜鐨勫吀鍨嬪簲鐢ㄥ満鏅?/h2>

鏍規(guī)嵁鍏?鈥滈珮鎶楀共鎵般�侀珮綺懼害鈥?鐨勭壒鐐癸紝PWM 璋冨厜鏇撮�傚悎浠ヤ笅鍦烘櫙錛?/p>


  1. 宸ヤ笟涓庡晢涓氬満鏅?/span>錛氬伐鍘傝濺闂達(dá)紙鏈夊彉棰戝櫒銆佺數(shù)鏈虹瓑寮虹數(shù)紓佸共鎵幫級(jí)銆佸ぇ鍨嬪晢鍦猴紙浼犺緭璺濈榪溿�侀渶綺劇‘浜害鎺у埗錛夈�佸睍鍘咃紙闇�綰挎�ц皟鍏夛紝紿佸嚭灞曞搧緇嗚妭錛夛紱

  2. 鏅鴻兘瀹跺眳涓庨珮绔綇瀹?/span>錛氬鍘呫�佸崸瀹わ紙楂橀 PWM 鏃犻闂紝淇濇姢瑙嗗姏錛夈�佹皼鍥寸伅錛堟敮鎸?0.1% 楂樼簿搴﹁皟鍏夛紝瀹炵幇 鈥滃井浜�?鍒?鈥滃叏浜�?鐨勫鉤婊戣繃娓★級(jí)錛?/p>

  3. 涓撲笟鐓ф槑鍦烘櫙錛氭憚褰辨銆佽垶鍙幫紙闇�蹇�熷搷搴旂殑浜害鍒囨崲錛孭WM 璋冨厜鍝嶅簲閫熷害 < 1ms錛岃繙蹇簬 0-10V 鐨?10-50ms錛夈�佸尰鐤楃収鏄庯紙鏃犻闂�侀珮綺懼害錛岄伩鍏嶅獎(jiǎng)鍝嶆墜鏈垨媯�(gè)鏌ワ級(jí)銆?/p>

浜斻�丳WM 璋冨厜鐨勯�夊瀷寤鴻

  1. 浼樺厛鍏蟲(chóng)敞 鈥滈闂寚鏍団�?/span>錛氶�夋嫨 鈥滈鐜団墺2kHz鈥?鐨勪駭鍝侊紝鎴栨槑紜爣娉?鈥滄棤棰戦棯鈥濓紙闇�絎﹀悎銆奊B/T 39222-2020 LED 鐓ф槑浜у搧棰戦棯鎬ц兘璇勪環(huán)鏂規(guī)硶銆嬩腑 鈥滄棤棰戦棯鈥?絳夌駭錛夛紱

  2. 紜鍏煎鎬?/span>錛氳嫢宸叉湁椹卞姩鍣紝闇�鏍稿椹卞姩鍣ㄧ殑 鈥淧WM 淇″彿鍙傛暟鈥濓紙楂樼數(shù)騫崇數(shù)鍘嬨�侀鐜囪寖鍥達(dá)級(jí)錛屽啀閫夋嫨鍖歸厤鐨勬帶鍒跺櫒錛涜嫢鏂板緩欏圭洰錛屽緩璁?鈥滄帶鍒跺櫒 + 椹卞姩鍣ㄢ�?鍚屽搧鐗岄噰璐紱

  3. 鏍規(guī)嵁浼犺緭璺濈閫夌嚎緙?/span>錛氳窛紱?<50 綾崇敤闈炲睆钄藉弻緇炵嚎錛圲TP錛夛紝璺濈 50-100 綾崇敤灞忚斀鍙岀粸綰匡紙STP錛夛紝璺濈> 100 綾抽渶鎼厤涓戶鍣ㄦ垨 RS485 杞?PWM 鏂規(guī)錛?/p>

  4. 閬垮厤 鈥滀綆浠峰姡璐ㄤ駭鍝佲�?/span>錛氬姡璐?PWM 鎺у埗鍣ㄥ彲鑳藉瓨鍦?鈥滈鐜囦笉紼沖畾鈥濃�滃崰絀烘瘮綺懼害浣庘�?絳夐棶棰橈紝闀挎湡浣跨敤鏄撳鑷寸伅鍏峰鍛界緝鐭紙棰戠箒寮�鍏寵剦鍐蹭細(xì)鍔犻�?LED 鍏夎“錛夈�?/p>


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