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1、1,比例插装电磁阀,Product Overview,2,什么情况下需要比例阀?,能使用于移动和工业液压场合.系统可以更有效率以及多功能.在移动液压中，电气设备将更强大.可以将阀安装靠近执行器以提高控制效果.液压回路可以更为简单.,3,如何工作?,4,准备知识,放大器是什么?放大器是一种低信号输入，经处理后转为高信号输出，作用于电磁铁中为什么不直接采用电流控制线圈?采用可变电阻式的信号，是可以用于线圈控制的,但是这将会浪费众多能量，同时伴随发热；阀芯动作同时也没有颤振以及电流反馈的效果,5,比例放大器,采用了比例放大器可以使得:,比例阀的大脑,控制提供给线圈的电流 设定最小/最大的工作压力/电
2、流 设定最小信号上升至最大信号的过程时间 调节颤振信号使其控制效果最佳,6,嵌入式放大器型号比较,Sun vs.WhiteOak,WhiteOak Model Code StructureMVP-C1V-06A-10F,06F 6 ft.Cord10F 10 ft.Cord,06A 600 mA Output25A 2.5 A Output12A 1.2 A Output,C1V 0 to 10 Volt Command InputC2A 0 to 20 mA Command Input,Sun Hydraulics Model Code Structure,C*-06A,06A 600 mA
3、 Output(use with 24 V Coil)12A 1200 mA Output(use with 12 V Coil),C1V 0 to 10 Volt Command InputC2A 0 to 20 mA Command Input,Available with 10 ft.Cord only,7,Amplifier Attached to Valve with Coil,RBAP-MAN-224A06,C2A-12A,C2A-06A,RBAP-MAN-212A12,RBAP-MAN-224V06,C1V-06A,RBAP-MAN-212V12,C1V-12A,Sun 电磁阀以
4、及插头式放大器结构图示,8,完整的系统,9,790-2,A current command(0-20mA)Vvoltage command(0-10v),12 12 volt coil24 24 volt coil,B separate command common(default)C 5v reference D enable,2DIN 43650A(Hirschman)connector(IP 65 rated connector),10,790-4 A,A current command(0-20mA)Vvoltage command(0-10v),12 12 volt coil24 2
5、4 volt coil,A all functions enabled,4Deutsch DT06-6P connector(IP 69K rated connector),11,Sun 电磁阀以及DIN 接头嵌入式放大器,12,Sun 电磁阀以及德标接头嵌入式放大器,13,放大器参数,性能IP69K 等级接头焊接以及塑料封装单独的最小和最大的输入输出单独的程序性的时间设定客户设定的颤振频率具有相应的电流控制系统非常小巧结实的外形没有分压器可以设定当设定好时，不需要额外的设备,阀装配好也可以进行参数设定用户特殊设定值同样可以满足线圈和阀可以单独订货手持设定器和电脑设定器都可通过光感而对放大器进
6、行设定所有终极的保护都是建立在电压上CE 标志安装日期运输,14,Complete System,15,Embedded Amplifier Model Code Matrix,16,Embedded Amplifier Model Code Matrix,17,电压信号初始设定值，对插头式和嵌入式两种情况,18,电流信号初始设定值，对插头式和嵌入式两种情况,19,20,手持程序器,可以现场通过手动，灵活设定 全英文显示，使用非常简单 9V 电池供电 长时间不操作时自动关闭，延长电池工作寿命，同时低电量报警 对不同的放大器有单独的控制线:DIN rail mount amplifier Emb
7、edded electronics DIN mounted amplifier 程序具备记忆功能 现也提供模拟程序USE电缆设定功能,21,Cable for DIN rail mount amplifier P/N:991-701(Not released)Cable for Embedded electronics amplifier P/N:991-702 Cable with DIN connectorP/N:991-703,Cables,22,991-706 Mating Cable Assembly,DT06-6S connector on 3 m cable(socket con
8、nector)6 conductor,18 AWG with PVC jacket,23,How does it all work?,24,Proportional Solenoid Performance,Current,Force,25,How does it all work?,26,What are proportional valves used for?,Pressure Control,Flow Control,Directional Control,压力和方向控制既可以直接控制，也可以先导控制。,27,Proportional Valve-Overview,28,Proport
9、ional Valve-Overview,29,Proportional Valve-Overview,30,Proportional Valve-Overview,31,Proportional Valve-Overview,32,Proportional Valve-Overview,33,压力控制 直动溢流,电磁铁直接作用在阀芯或者主弹簧上。电磁力直接与入口液压力作用。作用面积分有相同面积和非相同面积之分.非相同面积的阀芯具有更好的稳定性,34,R B A P-*,Capacity Cavity.25 gpm(1 l/min)T-8A,Control Options,X No Manua
10、l Override(+$5.00)M Manual Override(+$30.00)L Manual Override-Adjustable(+$30.00)T Tuning Option,Seal Options,N Buna(+$2.00)V Viton,Nominal Pressure Adjustment Range,A 300-3000 psi(20-210 bar)B 150-1500 psi(10-105 bar)(+$1.00)D 50 750 psi(3,5 50 bar)(+$5.00)W 500-5000 psi(35-350 bar),Model Code Stru
11、cture,35,Typical Performance Direct Operated Relief,36,RBAN,反向比例溢流阀,T-8A孔型的又一产品 初始设定为无信号时的压力 压力只能工厂设定 和RBAP比例阀结构相似 可作为主级，也可以作为先导级,37,压力控制系列 直动式减压/溢流阀,电磁力于直接作用于A2面积相抵消.由于复位弹簧的存在，所以在没有信号的情况下，初始压力为0.由于电磁力所限，减压压力值一般小于1000 psi.,Reduced Pressure,Inlet,A2,Tank,38,Capacity Cavity5 gpm(20 l/min)T-11A,Model C
12、ode Structure,P R D*-M*-*,Control Options,M Standard Override(+$30.00)L Screw Adjustment(+$30.00)T Trim Adjustment X No Override,Seal Options,N Buna(+$3.00)V Viton,Pressure Range,B 100-1200 psi(7-80 bar)D 50-500 psi(3,5-35 bar)E 25-250 psi(1,7-18 bar)(+$5.00)S 10-100 psi(0,7-7 bar)(orifice dividing
13、circuit)(Available with L Spool Configuration only),Spool Configuration,P Positive Overlap SpoolL Underlapped Spool,Coil Code,Direct-Acting Proportional Pressure Reducer/Reliever,39,Typical Performance Direct Acting Reducer/Reliever,Pressure vs.Command(Deadhead),Regulation Curves2000 psi(210 bar)Inl
14、et Pressure,40,压力控制 先导操作式,直动式的比例阀作为先导级控制平衡式主级阀。先导阀可以单独安装或者装在主级阀上。最大流量可以达到200gpm.(760L/min),41,Pressure Controls Pilot Operated Relief,Proportional Pilot Stage,42,主级包含常闭阀芯，以及先导级小孔组成.当先导控制级加入时,主级压力将可以被调节,压力控制 先导式溢流阀,43,Typical Performance Pilot Operated Relief,44,Pressure Controls Pilot Operated Reduc
15、er/Reliever,Proportional Pilot Stage,(10 gpm),(20 gpm),(40 gpm),(80 gpm),3,3,3,3,2,2,2,2,1,1,1,1,Reducer/Reliever Main-stage,45,压力控制 先导控制式减压/溢流阀,ReducedPressure,Inlet,Tank,1口的压力将会由先导口决定.最高压力可达5000psi.,46,Typical Performance Pilot Operated Reducer/Reliever,47,电磁力和弹簧力相互作用.压力越大,液压力将会反向作用于电磁力.这里的液动力可以提供
16、一些自我补偿的性能.,流量控制 比例节流阀,48,Model Code Structure,F P C*-*-*,Control Options,M Standard Override,Seal Options,N Buna(+$2.00)V Viton,Configuration,H Normally OpenC Normally Closed,Spool Capacity/T-13 A Cavity,A 1.5 gpm(6 L/min)B 3.5 gpm(16 L/min)C 7.0 gpm(28 L/min),Coil Code,49,Self-Compensation Characte
17、ristics,Normally Closed,Normally Open,50,Proportional Throttle with Restrictive Compensator,Normally Closed,Normally Open,51,Proportional Throttle with Restrictive Compensator,Normally Closed,Normally Open,52,Acceleration/Deceleration Control with Proportional Throttle,Normally Closed,Normally Open,Separate ramping signal(external)to amplifier card illustrating the degree of control that may be achieved.,
