led椹卞姩鐢?shù)璧\瑕佹眰鏈夊摢浜涳紵
鐧藉厜 LED 瑕佸緱鍒拌壇濂界殑搴旂敤錛屼笖鑳借幏寰楄緝楂樼殑浣跨敤鏁堢巼錛屽氨蹇呴』閲囩敤鐩擱�傚簲鐨?LED 椹卞姩鐢?shù)璧\鏉ユ弧瓚?LED 宸ヤ綔瑕佹眰銆?/p>
1. LED 椹卞姩鐢?shù)璧\鐨勮姹傚涓嬶細
LED 椹卞姩鐢?shù)璧\鏄負 LED 渚涚數(shù)鐨勭壒縐嶇數(shù)婧愶紝鍏鋒湁鐢?shù)璧\緇撴瀯綆�鍗曘�佷綋縐皬銆佽漿鎹㈡晥鐜囬珮鐨勭壒鐐廣�?/p>
LED 椹卞姩鐢?shù)璧\鐨勮緭鍑虹數(shù)鍙傛暟錛堝嵆鐢墊祦銆佺數(shù)鍘嬶級涓?LED 鐨勫弬鏁扮浉鍖歸厤錛屾弧瓚?LED 宸ヤ綔鐨勮姹傦紝鍏鋒湁杈冮珮鐨勬亽嫻佺簿搴︽帶鍒躲�佸悎閫傜殑闄愬帇鍔熻兘銆?/p>
銆愯鏄庛�?LED 椹卞姩鐢?shù)璧\澶氳礬杈撳嚭鏃訛紝姣忎竴璺殑杈撳嚭閮借鑳藉鍗曠嫭鎺у埗銆?/p>
LED 椹卞姩鐢?shù)璧\鍏鋒湁綰挎�у害杈冨ソ鐨勮皟鍏夊姛鑳斤紝浠ユ弧瓚?LED 涓嶅悓搴旂敤鍦哄悎璋冨厜鐨勮姹傘�?/p>
鍦?LED 寮�璺�佺煭璺�侀┍鍔ㄧ數(shù)璺晠闅滄椂錛?LED 椹卞姩鐢?shù)璧\鑳藉瀵瑰叾鏈韓銆?LED 銆佷嬌鐢ㄨ�呴兘鏈夌浉搴旂殑淇濇姢錛屼笉浼氫駭鐢熷嵄闄┿�?/p>
LED 椹卞姩鐢?shù)璧\宸ヤ綔鏃訛紝搴旀弧瓚崇浉鍏崇殑鐢電鍏煎鎬ц姹傘�?/p>
LED 椹卞姩鍣ㄦ牴鎹笉鍚岀殑搴旂敤瑕佹眰錛屽彲浠ラ噰鐢ㄦ亽瀹氱數(shù)鍘嬶紙 CV )銆佹亽瀹氱數(shù)嫻侊紙 CC )銆佹亽嫻佹亽鍘嬶紙 CCCV )3縐嶇數(shù)璺�?/p>
2.LED 鐓ф槑璁捐闇�瑕佽�冭檻鐨勫洜绱犲涓嬶細
1錛?杈撳嚭鍔熺巼錛氫富瑕佹秹鍙?LED 姝ｅ悜鐢?shù)鍘嬭寖鍥淬�佺數(shù)嫻佸強 LED 鎺掑垪鏂瑰紡絳夈�?/p>
2錛?鐢墊簮錛氱數(shù)婧愮殑綾誨瀷鏈?AC - DC 鐢墊簮銆?DC - DC 鐢墊簮銆?AC 鐢墊簮鐩存帴椹卞姩銆?/p>
3錛?鍔熻兘瑕佹眰錛氳皟鍏夎姹傘�佽皟鍏夋柟寮忋�佺収鏄庢帶鍒躲�?/p>
4錛?鍏朵粬瑕佹眰錛氳兘鏁堛�佸姛鐜囧洜鏁般�佸昂瀵搞�佹垚鏈�佹晠闅滃鐞嗐�佹爣鍑嗗強鍙潬鎬х瓑銆?/p>
5錛?鍏朵粬鍥犵礌錛氭満姊拌繛鎺ャ�佸畨瑁呫�佺淮淇紡鏇挎崲銆佸鍛藉懆鏈熴�佺墿嫻佺瓑銆?/p>
銆愯鏄庛�?015騫?鏈?鏃ヨ搗錛?LED 椹卞姩鐢墊簮姝ｅ紡綰沖叆3C寮哄埗璁よ瘉銆?LED 鐢墊簮3C璁よ瘉渚濇嵁鐨勪富瑕佹爣鍑嗘湁 GB 19510.1-2009銆婄伅鐨勬帶鍒惰緗1閮ㄥ垎錛氫竴鑸姹傚拰瀹夊叏瑕佹眰錛夈�?GB 19510.14-2009銆婄伅鐨勬帶鍒惰緗14閮ㄥ垎錛?LED 妯″潡鐢ㄧ洿嫻佹垨浜ゆ祦鐢?shù)瀛愭帶鍒惰缃殑鐗箤D婅姹傘�嬨�丟B17743-2007銆婄數(shù)姘旂収鏄庡拰綾諱技璁懼鐨勬棤綰跨數(shù)楠氭壈鐗規(guī)�х殑闄愬�煎拰嫻嬮噺鏂規(guī)硶銆嬪強 GB 17625.1-2012銆婄數(shù)紓佸吋瀹歸檺鍊艱皭娉㈢數(shù)嫻佸彂灝勯檺鍊鹼紙璁懼姣忕浉杈撳叆鐢墊祦鈮?6A)銆嬨�?a href="http://www.m.029fldmy.com/" target="_self" style="font-size: 10px; text-decoration: underline;">http://www.m.029fldmy.com/
銆愯鏄庛�?/p>
(1錛夌數(shù)闃誨瀷椹卞姩鏂瑰紡涓紝璋冩暣涓?LED 涓茶仈鐨勭數(shù)嫻佹嫻嬬數(shù)闃誨嵆鍙帶鍒?LED 鐨勬鍚戠數(shù)嫻侊紝榪欑椹卞姩鏂瑰紡鏄撲簬璁捐銆佹垚鏈綆錛屼笖娌℃湁鐢電鍏煎錛?EMC 錛夐棶棰橈紝緙虹偣鏄緷璧栦簬鐢?shù)鍘嬪Q岄渶瑕佺瓫閫夛紙 binning ) LED 錛屼笖鑳芥晥杈冧綆銆?/p>
(2錛夌嚎鎬хǔ鍘嬪櫒鍚屾牱鏄撲簬璁捐涓旀病鏈?EMC 闂錛屽茍鏀寔鐢墊祦紼蟲祦鍙婅繃嫻佷繚鎶? fold back )錛屼笖鎻愪緵澶栭儴鐢墊祦璁懼畾鐐癸紝緙虹偣鏄姛鐜囪�楁暎闂錛屼互鍙婅緭鍏ョ數(shù)鍘嬭濮嬬粓楂樹簬姝ｅ悜鐢?shù)鍘嬪Q屼笖鑳芥晥涓嶉珮銆?/p>
(3錛夊紑鍏崇ǔ鍘嬪櫒閫氳繃 PWM 鎺у埗妯″潡涓嶆柇鎺у埗寮�鍏? FET )鐨勫紑鍜屽叧錛岃繘鑰屾帶鍒剁數(shù)嫻佺殑嫻佸姩銆傚紑鍏崇ǔ鍘嬪櫒鍏鋒湁鏇撮珮鐨勮兘鏁堬紝涓庣數(shù)鍘嬫棤鍏籌紝涓旇兘鎺у埗浜害錛屼笉瓚沖垯鏄垚鏈浉瀵硅緝楂橈紝澶嶆潅搴︿篃鏇撮珮錛屼笖瀛樺湪鐢電騫叉壈錛?EMI 錛夐棶棰樸�?/p>
閲囩敤浜ゆ祦鐢墊簮鐩存帴椹卞姩 LED 鐨勬柟寮忥紝鍏跺簲鐢ㄧず鎰忓浘濡傚浘9-3鎵�紺恒�?LED 浠ョ浉鍙嶆柟鍚戞帓鍒楋紝宸ヤ綔鍦ㄥ崐鍛ㄦ湡錛屼笖 LED 鍦ㄧ嚎璺數(shù)鍘嬪ぇ浜庢鍚戠數(shù)鍘嬫椂鎵嶅閫氥�傚叾浼樺娍鏄伩鍏?AC - DC 杞崲鎵�甯︽潵鐨勫姛鐜囨崯鑰楃瓑銆備絾鍦ㄤ綆棰戝紑鍏籌紝浼氬療瑙夊埌闂儊鐜拌薄銆傚悓鏃跺湪璁捐涓繕闇�瑕佸姞鍏?LED 淇濇姢鎺柦錛屼嬌鍏跺厤鍙楃嚎璺氮娑屾垨鐬�佺殑褰卞搷銆?/p>