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1、null 7 ?% ! ! o 5 3 刘吉和( g K , 071000)K null 1 : 介绍了固态高频感应加热设备的基本原理及组成, 并对固态高频设备与电子管高频设备整机效率进行了对比b阐述了固态高频感应加热设备在高频焊管生产中的焊接机理, 指出在高频焊管生产过程中,需进行必要的机电调整,使其紧密配合,才能使机组达到最佳状态,从而提高生产效益,同时提出了调整措施b1 o M : 固态高频; H FW焊接; 挤压辊; 焊管机组; 感应圈 m s | : TG433null D S : Bnull c I | : 1001- 3938 ( 2010) 03- 0043- 06Applic
2、ation of SolidnullstateHigh Frequency EquipmentinHigh FrequencyW elded PipeL IU Jinullhe(Baoding Sanfeng E lectrical Equipm ent Co. , L td. , Baod ing 071000, H ebei, China)Abstract: Th is article introduced basic principle and com position of solid state high frequency induction heating enullqu ipm
3、 ent, and com prised efficiency of solid state h igh frequency equ ipm ent w ith that of electricnullwelded pipe high frenullquency equ ipm ent. It expatiated w elding m echan ism of solid state high frequency induction heating equ ipm ent duringproduction, and pointed out that it is necessary to ad
4、just electric m ach ine, m ake it fit tight, in order to m ake un it anullch ieve the best effect and increase production efficiency. At the sam e tim e, ad justm en tm easures was put forw ard.K ey words: solid state high frequency; H FW w elding; squeeze rol;l w elded p ipe un it; induction coil0n
5、ull - null S / ? Z , o 5 3 L 1 o ! ! F ! ! , 12000M S ? 3 / M , . d 0 5 T F ! ! % F ! ! b L = d 9 T A , % ! ! , r 20% 25% , Y L ? r 30%P b P % F ! ! H , ? ! ! , # B t M , | # ! ! B M , , ? P ! T K D ,r ? , H V ! ! # p q , 5 ! ! s , ! ! T , r A ? r T b1null % F ! ! 1. 1null 固态高频感应加热设备基本原理% F ! ! 8 5
6、I M , n m 1b q MOSFETv q q F q T bv q F C L L# V L e I M , 8 5 T F ! ! b m 1V A , I M ,m 1null % F ! ! !43!焊管! 33 3 ! 2010M 3L = o a o ( ? o , m 2 U b I M r q y ,B 0 5 T ! ! o o E r m 2 U o bm 2null % F ! ! o I M T q V r 350 kH z 50 kH z, 0 5 T ! ! q B b o 5 3 L l o ? Z V A , T q 250 350kH z$ o 5 o
7、q ,7 o q % 5 z * v l , t o y H q b q ? , i ,t r | o 7 g 5 V u o H L V Z , | H F ( 1 350 1 450 # ) 0 K D * , * , K * r K D o ,g o , T q 4 9 o 5 :% ! ! o 5 3 ) $ o 5 1. 5 b v C 5 ,N a h l b 3 L = ,H F T N L C ,* null25mm / 5 ,N 1 a F v b( 3) V u 7 g null, K 3&5&, , L o C , nulle 5& 8&S = o r q D b( 4)H (E F ) z 2. 5 P bd 1 B H - V* N L 3 4 mm ( c 3 4 mm ), * H $ o 5 = 70% 75%, O H b( 5) = e v $ o 5 15% 20%b B V r q , = 1 ? Y V $ o 5 ,W # l z , L = r , s y y A | N W # a bv b( 6)* N * 1 b Fv l a 5 aC y M b( 7) b H , zN B , , - ? O ? 5 8 | P o r q / , H / W u b z N 1 p ( N H Y ), E 9 z H b z ; ?
