鐩存祦鎺ヨЕ鍣ㄧ殑璁捐
鍙戝竷鏃ユ湡錛?018騫?5鏈?6鏃?/div>
鐩存祦鎺ヨЕ鍣ㄤ富瑕佺敱瑙﹀ご緋葷粺銆佺伃寮х郴緇熷拰鐢電緋葷粺緇勬垚銆傚綋鎺ヨЕ鍣ㄧ殑鐢?br />
浼?xì)漶旂敓寰堝己鐨劶倎鍦哄Q屼嬌闈欓搧蹇冧駭鐢熺數(shù)紓佸惛鍔涘惛寮曡閾侊紝騫跺甫鍔ㄨЕ
,甯稿紑瑙﹀ご闂悎錛屼袱鑰呮槸鑱斿姩鐨勶紱褰撶嚎鍦堟柇鐢墊椂錛岀數(shù)紓佸惛
,甯稿紑瑙﹀ご
,瀹冪殑鎬ц兘鐩存帴褰卞搷鏁翠釜鐢?shù)鍣ㄨ畱证囩殑鍒?br /> 浣跨敤瀵垮懡鍜岃繍琛岀殑鍙潬鎬с傜敱浜庤Е澶寸（鎹熺殑涓昏褰㈠紡鏄數(shù)紓ㄦ崯錛屽畠鐨勪富
瑙﹀ご鐔旂剨鍜岃Е澶寸儳姣侊紱榪欎簺澶辨晥妯?br /> 鍑忓皯鐢?shù)寮у甫鏉ョ殑璐熼潰濯?jiǎng)鍝嶆槸鎻愰珮
閫氳繃鍦ㄨЕ澶翠袱绔姞瑁呯數(shù)鍔涚數(shù)瀛愬櫒浠訛紝浣胯Е澶村紑鍚堢殑鐬棿鐨勭數(shù)
鍙互鏋佸ぇ鍦板噺灝忎簡鐢?shù)寮х殑漶旂敓锛屼粠鑰屽噺灝忎簡瑙﹀ご鐨勭儳铓錛屾樉钁楁彁楂樿Е澶?br />
鐩存祦鎺ヨЕ鍣? 瑙﹀ご緋葷粺 鐢?shù)鍔涚數(shù)瀛愬櫒錃g
錛宎rc extinguishing system and
system. After exposure to the electromagnetic coil is energized, it
armature, and promote the contact action, normally closed contact is open,
open contact closes, the two are linked;
When the coil power, the
force disappears, the armature in the release action of the spring
Contact is one of the key components of the contactor, its performance directly
the entire electrical equipment breaking capacity, service life and reliability.
the contact resistance exceeds the allowable range, contact welding and
These failure modes are associated with the contact is switched on, or
the contact life.
The contacts mounted on two ends of power electronic
in the contact opening and closing moments that make the current shunt,
reduce the occurrence of electric arc, thereby reducing contact ablation,
璦
鐩存祦鎺ヨЕ鍣ㄦ槸涓縐嶉傜敤浜庨暱璺濈棰戠箒鍦版帴閫氬拰鍒嗘柇鐨勪綆鍘嬬數(shù)鍣紝涓昏
1200V鍙?qiáng)浠ヤ笅鐨勭洿娴佷溉潝?shù)璺強(qiáng)澶у閲忔帶鍒剁數(shù)璺腑錛岀敤浜庢帶鍒剁洿嫻佺數(shù)鍔ㄦ満銆?br /> 鐢電収鏄庛佺數(shù)鍔犵儹浠ュ強(qiáng)鍏朵粬鐨勭洿嫻佽礋杞斤紝鍦ㄥ伐涓氥佸啘涓氥佷氦閫氳繍杈撲笟銆?br /> 鏂囨暀銆佸晢涓氬強(qiáng)浜烘皯鐢熸椿璁炬柦絳夌敤鐢?shù)閮ㄩ棬寰楀埌骞挎硾杩愮敤銆傛湰鏂囬氳繃瀵圭洿嫻佹帴
鍒╃敤鍒嗘祦娉曞疄鐜扮數(shù)嫻佺殑杞Щ錛屾帶鍒惰Е鐐瑰洖璺殑鐢墊祦灝忎簬鐢?br />
鎬諱綋緇撴瀯璁捐
鐢?shù)寮х殑瀛樺湪锛屼細(xì)澶уぇ鐨劸~╃煭
MOSFET鍣ㄤ歡錛屽疄鐜板皯寮ф垨鏃犲姬
褰撳浜庡閫氱姸鎬佹椂錛屽ぇ鐢墊祦瀵奸氭崯鑰楄浣庯紱
褰撳彂鐢熸剰澶栨椂錛屽繀欏諱笉緇忎換浣曞歡榪熺珛鍗崇敱瀵奸氱姸鎬佸垏鎹㈠埌楂橀樆鐘舵侊紱
鎺у埗鍥炶礬鍒囨柇鍚庯紝緇濈紭寮哄害蹇呴』杈懼埌鍙互闃繪琚Е鐐逛袱绔數(shù)鍔垮啀搴﹀嚮絀褲?nbsp;
浠庢帶鍒剁嚎鍦堜笂鐢?shù)鍒版帴瑙﹀櫒瑙﹀ご瀹屽?br /> 錛屼笉鍚岀殑鎺ヨЕ鍣紝寤舵椂鏃?br /> 鏈枃璁捐鐨勬帴瑙﹀櫒錛屽惛鍚堝姩浣滃歡鏃惰揪鍒?00ms宸﹀彸錛岄噴鏀懼姩浣滃歡
60ms宸﹀彸銆傜數(shù)寮х殑浜х敓鍙戠敓鍦ㄥ惛鍚堝拰鍒嗘柇鐨勮漿鍖栫灛闂淬傚鏋滈夋嫨鍚堥傜殑鐢?br /> 錛屼笌鏈烘寮鍏?br /> 璁╁畠鍦ㄥ惛鍚堝拰閲婃斁鐨勮繖孌墊椂闂村唴鍏堝閫氱數(shù)鍔涚數(shù)瀛愬櫒浠訛紝澶ч儴鍒嗙殑鐢墊祦嫻佽繃
緇忚繃鏈烘寮鍏沖浐鏈夌殑寤舵椂杈懼埌瀹屽叏鍚稿悎鎴栭噴鏀句箣鍚庯紝鍐嶅叧闂數(shù)鍔?br />
寮鍏充竴鑸敱鐢?shù)瀛愬紑鍏熾佷富瑙﹀ご寮鍏充互鍙?qiáng)杈呭姪寮鍏充笁
鐢?shù)瀛愬紑鍏沖彧鏄湪鏈烘寮鍏沖惛鍚堝拰閲婃斁鏃惰搗浣?br />
涓昏Е澶?br />
MOSFET錛?br />
椹卞姩鐢?shù)璧\
鍦ㄥ皬鐢?shù)鍘嬩笅鍒唻箒鑳藉姏鐩稿杈冨己锛屽伐浣滅壱?guī)ц繎浼肩嚎鎬х殑錛屽洜姝ら夋嫨鍔?br /> MOSFET榪欑鐢?shù)鍔涚數(shù)瀛愬櫒錃g涓庣數(shù)瑙﹀ご騫惰仈錛屼粠鑰岃揪鍒板湪寮鍚堢灛闂村垎嫻佺殑浣滅敤錛?br /> 鐨勯氭柇閫氳繃椹卞姩鐢?shù)璧\鏉ュ疄鐜扮簿紜帶鍒躲傚湪璁捐鍔熺巼鍦烘晥搴旂椹卞姩鐢?shù)璧\鏃訛紝
瑙﹀彂鑴夊啿瑕佹湁瓚沖蹇殑涓婂崌鍜屼笅闄嶉熷害錛岃剦鍐插墠鍚庢部瑕侀櫋宄紱
寮閫氭椂錛屼互浣庣數(shù)闃誨鏍呮瀬鐢?shù)瀹瑰厖鐢?shù)錛屽叧鏂椂闇瑕佷負(fù)鏍呮瀬鐢?shù)鑽锋彁渚涗綆鐢?shù)闃?br /> MOSFET鐨勫紑鍏抽熷害錛?
涓轟簡浣垮姛鐜嘙OSFET鍙潬瑙﹀彂瀵奸氭爡鏋侊紝椹卞姩鐢墊祦鐢?shù)鍘嬪簲楂樹簬鍣ㄤ欢鐨勫紑鍚?br /> MOSFET鎴鏃訛紝鏈濂芥彁渚涜礋鐨勬爡婧愮數(shù)鍘嬶紱
鍔熺巼MOSFET寮鏂椂錛屾墍闇鐨勯┍鍔ㄧ數(shù)嫻佷負(fù)鏍呮瀬鐢?shù)瀹瑰啿鏀剧旊姅?shù)嫻併?nbsp;
涓嶅彲閬垮厤鐨勫瓨鍦ㄨ繃鐢墊祦鍜岃繃鐢?shù)鍘嬬幇璞°傚湪
MOSFET紿佺劧鍒囨柇鐢墊祦鎴栨瀬蹇湴鍗囬珮鐢?shù)鍘嬫椨灱尀畣浼?xì)鍑?br /> du /dt闂銆傚湪楂橀熷紑鍏蟲儏鍐典笅璐熻澆琛ㄧ幇鍑烘瀬澶х殑鎰熸姉錛屽姛鐜嘙OSFET
楂樻紡鏋佺數(shù)鍘嬪拰瀵勭敓鐢?shù)瀹逛腑鐨勪綅绉荤攭|祦鐨勪綔鐢紝灝嗗鑷村姛鐜?br /> 鎹熷潖銆傚榪欑鎯呭喌鍙互閲囧彇鍦ㄥ姛鐜嘙OSFET騫惰仈鍘嬫晱鐢?shù)闃诲Q屽彲浠ユ湁鏁堢殑闃?br /> di /dt闂銆傚姛鐜嘙OSFET瀹為檯榪愮敤涓紝鍥犳爡婧愰棿鐨勯樆鎶楀緢楂橈紝鏁呮紡婧?br /> 鑰屼駭鐢熷緢楂樼殑鐢?shù)鍘嫎q囧啿錛岃繖涓鐢?shù)鍘嬩細(xì)寮?br /> MOSFET姘鎬箙鎬ф崯鍧忋傚榪欑鎯呭喌閲囧彇鐨勪繚鎶ゆ帾
涓鑸傚綋闄嶄綆鏍呮瀬闂寸殑椹卞姩鐢?shù)璧\鐨勯樆鎶楋紝鍦ㄦ爡婧愪箣闂村茍鎺ラ樆灝肩數(shù)闃繪垨騫惰仈涓
20V鐨勯綈綰充簩鏋佺錛岀壒鍒闃叉鏍呮瀬寮璺伐浣溿?nbsp;
瑙﹀ご緋葷粺璁捐
錛屾晠
鏉ュ鍔犺Е澶寸郴緇熺殑鑰愮（鎹熴佹姉鐔?br />
鈶犲姏鐨勪紶鍔ㄩ浂閮ㄤ歡搴斿叿鏈夎凍澶熺殑寮哄害錛屽敖閲忛伩鍏嶅姞宸ユ椂
鈶″ぇ銆佷腑瀹歸噺鐨勫姩瑙﹀ご涓庡姬瑙掑垎涓哄弻浣擄紝浠庤屽噺杞誨姩瑙﹀ご
鈶㈠敖閲忓噺灝忚緟鍔╄Е澶寸殑鍐插嚮鍔涳紱鎻愰珮鐢?shù)瀵垮懡鐨勬帾鏂芥湁锛?xì)鈶犲悎鐞嗛夌敤瑙﹀ご
鈶￠傚綋閫夌敤寮規(guī)х郴鏁拌緝楂樻潗鏂欏仛涓昏Е澶村脊綈э紱鈶㈠澶цЕ澶寸殑瀹藉害錛涒懀閫?br />
鈶犱嬌鐢ㄥ彲闈狅紝鍗寵兘鍙潬鍦板垎鍚堢數(shù)璺紱鈶?br /> 鍗寵愭満姊扮（鎹熷拰鐢電（鎹燂紝瀵垮懡闀匡紱鈶㈠叿鏈夎凍澶熺殑鐢?shù)鍔ńE沖畾鎬у拰鐑ǔ瀹?br />
瑙﹀ご鐨勫伐浣滃弬鏁?nbsp;
瑙﹀ご寮璺濓紙鍗寵Е澶磋紼嬶級 瑙﹀ご寮璺濇槸鎸囪Е澶村湪瀹屽叏鏂紑浣嶇疆鏃跺姩闈?br /> 瀹冩槸鍔ㄩ潤瑙﹀ご涓烘柇寮鐢?shù)寮ф墍闇鐨勬渶灝忛棿璺濄傝Е澶村紑璺濇棦涓嶅彲榪囧皬錛?br /> 鍏舵暟鍊煎簲闅忓叿浣撹姹傛潵瀹氥備竴鏃︾‘瀹氫箣鍚庯紝浣跨敤涓氨涓嶅疁杞繪槗鏀瑰彉
瑙﹀ご瓚呯▼ 瑙﹀ご瓚呯▼鏄寚褰撹Е澶村湪闂悎浣嶇疆鏃訛紝灝嗛潤瑙﹀ご縐誨紑錛屽姩瑙?br /> 榪欐槸淇濊瘉瑙﹀ご鍦ㄥ叾瀵垮懡緇堢粨涔嬪墠浠嶈兘鍙潬鍦版帴瑙︽墍蹇呴渶鐨勩傝秴
1/3 浠ヤ笅鏃訛紝瑙﹀ご渚?br />
瑙﹀ご鏉愭枡鐨勯夌敤
鐢?shù)瀵垮懡楂樺Q涙姉鐔旂剨鎬уソ錛涘叿鏈?br />
鍗曟柇鐐圭殑瑙︾偣鏉愭枡澶氶噰鐢ㄩ摐銆侀摐闀夋潗鏂欍傞潤瑙﹀ご鍜屽姩瑙﹀ご
瑙﹀ご璁捐
1錛夌‘瀹氳Е澶村弬鏁?涓昏Е澶村紑璺澪?=6mm錛岃秴紼媟1=3mm錛涜緟鍔╄Е澶村紑璺澪?br /> 錛岃秴紼媟2=3mm錛涗富瑙﹀ご鍒濆帇鍔汧1o=16N錛岀粓鍘嬪姏F1z=22N錛涜緟鍔╄Е澶村垵鍘?br /> F2o=1N錛岀粓鍘嬪姏F2z=1.2N銆傦紙2錛夎Е澶村昂瀵?閲囩敤妗ュ紡鍙屾柇鐐硅Е澶達(dá)紝鏉愭枡閫夌敤閾?br /> 姘у寲闀夛紝閫夌敤鐭╁艦瑙﹀ご錛屽姩銆侀潤瑙﹀ご鍧囦負(fù)10脳8mm錛岃Е澶村帤搴﹀彇瓚呯▼鐨?.6锝?
d1=0.8脳r1=0.8脳3mm=2.4mm錛岃緟鍔╄Е澶村帤搴2=0.8脳r2=0.8
3mm=2.4mm銆傞夌敤閿￠潚閾滃甫QSn6.5- 0.1 浣滆Е妗ワ紝瀹冨叿鏈夎緝濂界殑楂樻俯鎬ц兘鍜岃緝
鍛ㄥ洿鐜娓╁害鍙?0鈩冿紝鍒欏厑璁告俯搴max=100鈩冿紝鍙戠儹鐢墊祦I
=45A銆?br /> 澶村駭鎴潰鎸夌數(shù)嫻佸瘑搴=2锝?A/mm2 閫夊彇錛屽彇涓?.25A/mm2錛屽垯鎴潰
錛岃冭檻鏈烘寮哄害絳夊洜绱狅紝瑙︽ˉ鐨勫搴﹀拰鍘氬害鍒嗗埆涓?br /> 錛宎=2mm (婊¤凍瑙﹀ご鍘氬害綰︿負(fù)0.6锝?.2鍊嶈秴紼?銆傦紙3錛夎Е澶寸殑紼沖畾鎬ф牎楠岋紝
璁＄畻鍑鴻Е澶存俯鍗囥佹帴瑙︽ˉ娓╁崌鍜屾帴
綰垮湀璁捐
甯﹀姩椹卞姩鏈烘瀯鎺ㄥ姩鎺ヨЕ緋葷粺鍒囨崲鐢?shù)璧\銆傜數(shù)嫻侀氳繃綰垮湀
褰撴俯搴﹁繃楂?瓚呰繃鍏佽娓╁害)鏃訛紝浼?xì)鋴删U垮湀緇濈紭鍔犻熻佸寲錛屼弗
鐢變簬鐩存祦
(涓鑸ぇ浜?mm)錛屽啀鍔犱笂瑙︾偣瓚呰紼嬩負(fù)2mm-3mm錛屽洜姝ょ璺郴
婕忕閫氶潪甯稿皯錛岀璺腑紓侀樆涔熷緢灝忥紝鍚稿姏闈炲父澶с傞殢鐫姘旈殭鐨勫噺灝忥紝
鍚稿姏鐗規(guī)ч潪甯擱櫋宄備負(fù)浜嗗厠鏈嶅惛鍔涚壒鎬ч潪甯擱櫋宄屼笉鑳戒笌鍙嶅姏鐗?br /> 浠湪璁捐鏃朵嬌鐢ㄥ弻綰垮湀錛岄氳繃涓緇勮緟鍔╁父闂Е鐐規(guī)潵瀹炵幇鍙岀嚎
褰撶嚎鍦堜緵鐢墊椂錛屽惛鍚堢嚎鍦堝伐浣滐紝綰垮湀宸ヤ綔鐢墊祦寰?br /> 鍗沖惛鍚堢嚎鍦堟秷鑰楀姛鐜囧緢澶э紝姝ゆ椂杈呭姪甯擱棴瑙︾偣榪樻病鏈夋柇寮錛屼繚鎸佺嚎鍦堣繕娌℃湁
鍦ㄦ帴瑙﹀櫒鍚稿悎榪囩▼涓紝杈呭姪甯擱棴瑙︾偣鏂紑錛屽惛鍚堢嚎鍦堝拰淇濇寔綰垮湀涓茶仈騫跺悓
緇?nbsp;
,鍚稿悎涓庡垎鏂繃紼嬩腑閮借浜х敓鐢?shù)寮?騫朵笖鎺ヨЕ
,瀛樺湪鐫綰垮湀鑰楃數(shù)澶с侀氱數(shù)榪愯
,榪欐牱鏃㈤犳垚浜嗗ぇ閲忕殑鐢?shù)鑳?br /> ,鍙堝ぇ澶ч檷浣庝簡鎺ヨЕ鍣ㄧ殑鐢?shù)瀵垮懡銆傛湰鏂囬氳繃瀵硅Е澶寸郴緇熻繘琛?br /> ,閫氳繃閲囩敤鐗規(guī)畩鐨勫叿鏈夊己寮辯數(shù)
,浣垮彲鎺х鍏堝閫?
鍒嗘柇鐢?shù)璧\鏃?鎺ヨЕ鍣ㄨЕ澶村厛鏂紑,鍙帶紜呯殑瀵奸氭粸鍚庝簬鎺ヨЕ鍣?br /> 鐢?shù)璧\鐨勫垎鏂敱鍙帶紜呯殑鎴鏉ュ疄鐜?榪欐牱灝卞疄鐜頒簡鏃犲姬閫氭柇鐨勫姛鑳?鍚屾椂
,鍏嬫湇浜嗘棤瑙︾偣寮鍏沖閫氭崯鑰楅珮,榪囪澆灝忕殑緙虹偣銆?nbsp;
,甯稿紑瑙﹀ご闂悎錛屼袱鑰呮槸鑱斿姩鐨勶紱褰撶嚎鍦堟柇鐢墊椂錛岀數(shù)紓佸惛
,甯稿紑瑙﹀ご
,瀹冪殑鎬ц兘鐩存帴褰卞搷鏁翠釜鐢?shù)鍣ㄨ畱证囩殑鍒?br /> 浣跨敤瀵垮懡鍜岃繍琛岀殑鍙潬鎬с傜敱浜庤Е澶寸（鎹熺殑涓昏褰㈠紡鏄數(shù)紓ㄦ崯錛屽畠鐨勪富
瑙﹀ご鐔旂剨鍜岃Е澶寸儳姣侊紱榪欎簺澶辨晥妯?br /> 鍑忓皯鐢?shù)寮у甫鏉ョ殑璐熼潰濯?jiǎng)鍝嶆槸鎻愰珮
閫氳繃鍦ㄨЕ澶翠袱绔姞瑁呯數(shù)鍔涚數(shù)瀛愬櫒浠訛紝浣胯Е澶村紑鍚堢殑鐬棿鐨勭數(shù)
鍙互鏋佸ぇ鍦板噺灝忎簡鐢?shù)寮х殑漶旂敓锛屼粠鑰屽噺灝忎簡瑙﹀ご鐨勭儳铓錛屾樉钁楁彁楂樿Е澶?br />
鐩存祦鎺ヨЕ鍣? 瑙﹀ご緋葷粺 鐢?shù)鍔涚數(shù)瀛愬櫒錃g
錛宎rc extinguishing system and
system. After exposure to the electromagnetic coil is energized, it
armature, and promote the contact action, normally closed contact is open,
open contact closes, the two are linked;
When the coil power, the
force disappears, the armature in the release action of the spring
Contact is one of the key components of the contactor, its performance directly
the entire electrical equipment breaking capacity, service life and reliability.
the contact resistance exceeds the allowable range, contact welding and
These failure modes are associated with the contact is switched on, or
the contact life.
The contacts mounted on two ends of power electronic
in the contact opening and closing moments that make the current shunt,
reduce the occurrence of electric arc, thereby reducing contact ablation,
璦
鐩存祦鎺ヨЕ鍣ㄦ槸涓縐嶉傜敤浜庨暱璺濈棰戠箒鍦版帴閫氬拰鍒嗘柇鐨勪綆鍘嬬數(shù)鍣紝涓昏
1200V鍙?qiáng)浠ヤ笅鐨勭洿娴佷溉潝?shù)璺強(qiáng)澶у閲忔帶鍒剁數(shù)璺腑錛岀敤浜庢帶鍒剁洿嫻佺數(shù)鍔ㄦ満銆?br /> 鐢電収鏄庛佺數(shù)鍔犵儹浠ュ強(qiáng)鍏朵粬鐨勭洿嫻佽礋杞斤紝鍦ㄥ伐涓氥佸啘涓氥佷氦閫氳繍杈撲笟銆?br /> 鏂囨暀銆佸晢涓氬強(qiáng)浜烘皯鐢熸椿璁炬柦絳夌敤鐢?shù)閮ㄩ棬寰楀埌骞挎硾杩愮敤銆傛湰鏂囬氳繃瀵圭洿嫻佹帴
鍒╃敤鍒嗘祦娉曞疄鐜扮數(shù)嫻佺殑杞Щ錛屾帶鍒惰Е鐐瑰洖璺殑鐢墊祦灝忎簬鐢?br />
鎬諱綋緇撴瀯璁捐
鐢?shù)寮х殑瀛樺湪锛屼細(xì)澶уぇ鐨劸~╃煭
MOSFET鍣ㄤ歡錛屽疄鐜板皯寮ф垨鏃犲姬
褰撳浜庡閫氱姸鎬佹椂錛屽ぇ鐢墊祦瀵奸氭崯鑰楄浣庯紱
褰撳彂鐢熸剰澶栨椂錛屽繀欏諱笉緇忎換浣曞歡榪熺珛鍗崇敱瀵奸氱姸鎬佸垏鎹㈠埌楂橀樆鐘舵侊紱
鎺у埗鍥炶礬鍒囨柇鍚庯紝緇濈紭寮哄害蹇呴』杈懼埌鍙互闃繪琚Е鐐逛袱绔數(shù)鍔垮啀搴﹀嚮絀褲?nbsp;
浠庢帶鍒剁嚎鍦堜笂鐢?shù)鍒版帴瑙﹀櫒瑙﹀ご瀹屽?br /> 錛屼笉鍚岀殑鎺ヨЕ鍣紝寤舵椂鏃?br /> 鏈枃璁捐鐨勬帴瑙﹀櫒錛屽惛鍚堝姩浣滃歡鏃惰揪鍒?00ms宸﹀彸錛岄噴鏀懼姩浣滃歡
60ms宸﹀彸銆傜數(shù)寮х殑浜х敓鍙戠敓鍦ㄥ惛鍚堝拰鍒嗘柇鐨勮漿鍖栫灛闂淬傚鏋滈夋嫨鍚堥傜殑鐢?br /> 錛屼笌鏈烘寮鍏?br /> 璁╁畠鍦ㄥ惛鍚堝拰閲婃斁鐨勮繖孌墊椂闂村唴鍏堝閫氱數(shù)鍔涚數(shù)瀛愬櫒浠訛紝澶ч儴鍒嗙殑鐢墊祦嫻佽繃
緇忚繃鏈烘寮鍏沖浐鏈夌殑寤舵椂杈懼埌瀹屽叏鍚稿悎鎴栭噴鏀句箣鍚庯紝鍐嶅叧闂數(shù)鍔?br />
寮鍏充竴鑸敱鐢?shù)瀛愬紑鍏熾佷富瑙﹀ご寮鍏充互鍙?qiáng)杈呭姪寮鍏充笁
鐢?shù)瀛愬紑鍏沖彧鏄湪鏈烘寮鍏沖惛鍚堝拰閲婃斁鏃惰搗浣?br />
涓昏Е澶?br />
MOSFET錛?br />
椹卞姩鐢?shù)璧\
鍦ㄥ皬鐢?shù)鍘嬩笅鍒唻箒鑳藉姏鐩稿杈冨己锛屽伐浣滅壱?guī)ц繎浼肩嚎鎬х殑錛屽洜姝ら夋嫨鍔?br /> MOSFET榪欑鐢?shù)鍔涚數(shù)瀛愬櫒錃g涓庣數(shù)瑙﹀ご騫惰仈錛屼粠鑰岃揪鍒板湪寮鍚堢灛闂村垎嫻佺殑浣滅敤錛?br /> 鐨勯氭柇閫氳繃椹卞姩鐢?shù)璧\鏉ュ疄鐜扮簿紜帶鍒躲傚湪璁捐鍔熺巼鍦烘晥搴旂椹卞姩鐢?shù)璧\鏃訛紝
瑙﹀彂鑴夊啿瑕佹湁瓚沖蹇殑涓婂崌鍜屼笅闄嶉熷害錛岃剦鍐插墠鍚庢部瑕侀櫋宄紱
寮閫氭椂錛屼互浣庣數(shù)闃誨鏍呮瀬鐢?shù)瀹瑰厖鐢?shù)錛屽叧鏂椂闇瑕佷負(fù)鏍呮瀬鐢?shù)鑽锋彁渚涗綆鐢?shù)闃?br /> MOSFET鐨勫紑鍏抽熷害錛?
涓轟簡浣垮姛鐜嘙OSFET鍙潬瑙﹀彂瀵奸氭爡鏋侊紝椹卞姩鐢墊祦鐢?shù)鍘嬪簲楂樹簬鍣ㄤ欢鐨勫紑鍚?br /> MOSFET鎴鏃訛紝鏈濂芥彁渚涜礋鐨勬爡婧愮數(shù)鍘嬶紱
鍔熺巼MOSFET寮鏂椂錛屾墍闇鐨勯┍鍔ㄧ數(shù)嫻佷負(fù)鏍呮瀬鐢?shù)瀹瑰啿鏀剧旊姅?shù)嫻併?nbsp;
涓嶅彲閬垮厤鐨勫瓨鍦ㄨ繃鐢墊祦鍜岃繃鐢?shù)鍘嬬幇璞°傚湪
MOSFET紿佺劧鍒囨柇鐢墊祦鎴栨瀬蹇湴鍗囬珮鐢?shù)鍘嬫椨灱尀畣浼?xì)鍑?br /> du /dt闂銆傚湪楂橀熷紑鍏蟲儏鍐典笅璐熻澆琛ㄧ幇鍑烘瀬澶х殑鎰熸姉錛屽姛鐜嘙OSFET
楂樻紡鏋佺數(shù)鍘嬪拰瀵勭敓鐢?shù)瀹逛腑鐨勪綅绉荤攭|祦鐨勪綔鐢紝灝嗗鑷村姛鐜?br /> 鎹熷潖銆傚榪欑鎯呭喌鍙互閲囧彇鍦ㄥ姛鐜嘙OSFET騫惰仈鍘嬫晱鐢?shù)闃诲Q屽彲浠ユ湁鏁堢殑闃?br /> di /dt闂銆傚姛鐜嘙OSFET瀹為檯榪愮敤涓紝鍥犳爡婧愰棿鐨勯樆鎶楀緢楂橈紝鏁呮紡婧?br /> 鑰屼駭鐢熷緢楂樼殑鐢?shù)鍘嫎q囧啿錛岃繖涓鐢?shù)鍘嬩細(xì)寮?br /> MOSFET姘鎬箙鎬ф崯鍧忋傚榪欑鎯呭喌閲囧彇鐨勪繚鎶ゆ帾
涓鑸傚綋闄嶄綆鏍呮瀬闂寸殑椹卞姩鐢?shù)璧\鐨勯樆鎶楋紝鍦ㄦ爡婧愪箣闂村茍鎺ラ樆灝肩數(shù)闃繪垨騫惰仈涓
20V鐨勯綈綰充簩鏋佺錛岀壒鍒闃叉鏍呮瀬寮璺伐浣溿?nbsp;
瑙﹀ご緋葷粺璁捐
錛屾晠
鏉ュ鍔犺Е澶寸郴緇熺殑鑰愮（鎹熴佹姉鐔?br />
鈶犲姏鐨勪紶鍔ㄩ浂閮ㄤ歡搴斿叿鏈夎凍澶熺殑寮哄害錛屽敖閲忛伩鍏嶅姞宸ユ椂
鈶″ぇ銆佷腑瀹歸噺鐨勫姩瑙﹀ご涓庡姬瑙掑垎涓哄弻浣擄紝浠庤屽噺杞誨姩瑙﹀ご
鈶㈠敖閲忓噺灝忚緟鍔╄Е澶寸殑鍐插嚮鍔涳紱鎻愰珮鐢?shù)瀵垮懡鐨勬帾鏂芥湁锛?xì)鈶犲悎鐞嗛夌敤瑙﹀ご
鈶￠傚綋閫夌敤寮規(guī)х郴鏁拌緝楂樻潗鏂欏仛涓昏Е澶村脊綈э紱鈶㈠澶цЕ澶寸殑瀹藉害錛涒懀閫?br />
鈶犱嬌鐢ㄥ彲闈狅紝鍗寵兘鍙潬鍦板垎鍚堢數(shù)璺紱鈶?br /> 鍗寵愭満姊扮（鎹熷拰鐢電（鎹燂紝瀵垮懡闀匡紱鈶㈠叿鏈夎凍澶熺殑鐢?shù)鍔ńE沖畾鎬у拰鐑ǔ瀹?br />
瑙﹀ご鐨勫伐浣滃弬鏁?nbsp;
瑙﹀ご寮璺濓紙鍗寵Е澶磋紼嬶級 瑙﹀ご寮璺濇槸鎸囪Е澶村湪瀹屽叏鏂紑浣嶇疆鏃跺姩闈?br /> 瀹冩槸鍔ㄩ潤瑙﹀ご涓烘柇寮鐢?shù)寮ф墍闇鐨勬渶灝忛棿璺濄傝Е澶村紑璺濇棦涓嶅彲榪囧皬錛?br /> 鍏舵暟鍊煎簲闅忓叿浣撹姹傛潵瀹氥備竴鏃︾‘瀹氫箣鍚庯紝浣跨敤涓氨涓嶅疁杞繪槗鏀瑰彉
瑙﹀ご瓚呯▼ 瑙﹀ご瓚呯▼鏄寚褰撹Е澶村湪闂悎浣嶇疆鏃訛紝灝嗛潤瑙﹀ご縐誨紑錛屽姩瑙?br /> 榪欐槸淇濊瘉瑙﹀ご鍦ㄥ叾瀵垮懡緇堢粨涔嬪墠浠嶈兘鍙潬鍦版帴瑙︽墍蹇呴渶鐨勩傝秴
1/3 浠ヤ笅鏃訛紝瑙﹀ご渚?br />
瑙﹀ご鏉愭枡鐨勯夌敤
鐢?shù)瀵垮懡楂樺Q涙姉鐔旂剨鎬уソ錛涘叿鏈?br />
鍗曟柇鐐圭殑瑙︾偣鏉愭枡澶氶噰鐢ㄩ摐銆侀摐闀夋潗鏂欍傞潤瑙﹀ご鍜屽姩瑙﹀ご
瑙﹀ご璁捐
1錛夌‘瀹氳Е澶村弬鏁?涓昏Е澶村紑璺澪?=6mm錛岃秴紼媟1=3mm錛涜緟鍔╄Е澶村紑璺澪?br /> 錛岃秴紼媟2=3mm錛涗富瑙﹀ご鍒濆帇鍔汧1o=16N錛岀粓鍘嬪姏F1z=22N錛涜緟鍔╄Е澶村垵鍘?br /> F2o=1N錛岀粓鍘嬪姏F2z=1.2N銆傦紙2錛夎Е澶村昂瀵?閲囩敤妗ュ紡鍙屾柇鐐硅Е澶達(dá)紝鏉愭枡閫夌敤閾?br /> 姘у寲闀夛紝閫夌敤鐭╁艦瑙﹀ご錛屽姩銆侀潤瑙﹀ご鍧囦負(fù)10脳8mm錛岃Е澶村帤搴﹀彇瓚呯▼鐨?.6锝?
d1=0.8脳r1=0.8脳3mm=2.4mm錛岃緟鍔╄Е澶村帤搴2=0.8脳r2=0.8
3mm=2.4mm銆傞夌敤閿￠潚閾滃甫QSn6.5- 0.1 浣滆Е妗ワ紝瀹冨叿鏈夎緝濂界殑楂樻俯鎬ц兘鍜岃緝
鍛ㄥ洿鐜娓╁害鍙?0鈩冿紝鍒欏厑璁告俯搴max=100鈩冿紝鍙戠儹鐢墊祦I
=45A銆?br /> 澶村駭鎴潰鎸夌數(shù)嫻佸瘑搴=2锝?A/mm2 閫夊彇錛屽彇涓?.25A/mm2錛屽垯鎴潰
錛岃冭檻鏈烘寮哄害絳夊洜绱狅紝瑙︽ˉ鐨勫搴﹀拰鍘氬害鍒嗗埆涓?br /> 錛宎=2mm (婊¤凍瑙﹀ご鍘氬害綰︿負(fù)0.6锝?.2鍊嶈秴紼?銆傦紙3錛夎Е澶寸殑紼沖畾鎬ф牎楠岋紝
璁＄畻鍑鴻Е澶存俯鍗囥佹帴瑙︽ˉ娓╁崌鍜屾帴
綰垮湀璁捐
甯﹀姩椹卞姩鏈烘瀯鎺ㄥ姩鎺ヨЕ緋葷粺鍒囨崲鐢?shù)璧\銆傜數(shù)嫻侀氳繃綰垮湀
褰撴俯搴﹁繃楂?瓚呰繃鍏佽娓╁害)鏃訛紝浼?xì)鋴删U垮湀緇濈紭鍔犻熻佸寲錛屼弗
鐢變簬鐩存祦
(涓鑸ぇ浜?mm)錛屽啀鍔犱笂瑙︾偣瓚呰紼嬩負(fù)2mm-3mm錛屽洜姝ょ璺郴
婕忕閫氶潪甯稿皯錛岀璺腑紓侀樆涔熷緢灝忥紝鍚稿姏闈炲父澶с傞殢鐫姘旈殭鐨勫噺灝忥紝
鍚稿姏鐗規(guī)ч潪甯擱櫋宄備負(fù)浜嗗厠鏈嶅惛鍔涚壒鎬ч潪甯擱櫋宄屼笉鑳戒笌鍙嶅姏鐗?br /> 浠湪璁捐鏃朵嬌鐢ㄥ弻綰垮湀錛岄氳繃涓緇勮緟鍔╁父闂Е鐐規(guī)潵瀹炵幇鍙岀嚎
褰撶嚎鍦堜緵鐢墊椂錛屽惛鍚堢嚎鍦堝伐浣滐紝綰垮湀宸ヤ綔鐢墊祦寰?br /> 鍗沖惛鍚堢嚎鍦堟秷鑰楀姛鐜囧緢澶э紝姝ゆ椂杈呭姪甯擱棴瑙︾偣榪樻病鏈夋柇寮錛屼繚鎸佺嚎鍦堣繕娌℃湁
鍦ㄦ帴瑙﹀櫒鍚稿悎榪囩▼涓紝杈呭姪甯擱棴瑙︾偣鏂紑錛屽惛鍚堢嚎鍦堝拰淇濇寔綰垮湀涓茶仈騫跺悓
緇?nbsp;
,鍚稿悎涓庡垎鏂繃紼嬩腑閮借浜х敓鐢?shù)寮?騫朵笖鎺ヨЕ
,瀛樺湪鐫綰垮湀鑰楃數(shù)澶с侀氱數(shù)榪愯
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