Schottly barrier diode can be used as rectifying and continuous - flow unit in high frequency rectifying , switching and holding circuit , yet reducing the power consumption and circuit noise , enhancing the circuit efficiency and operation frequency 肖特基二極管在高頻整流、開關(guān)電路和保護(hù)電路中作為整流和續(xù)流元件,可以大幅度降低功耗,提高電路效率和使用頻率,減少電路噪聲。
With soft - switching technology , inverter spot - welding power source has lower switching dissipation , lower electromagnetic interference and lower sensitivity to parasitic parameters of power circuit , contribute to inverter output characteristics and circuit efficiency , stability and reliability 采用軟開關(guān)技術(shù)的點(diǎn)焊逆變電源,可減小開關(guān)損耗、電磁干擾及對電路寄生參數(shù)的敏感性,并從根本上改善電路的輸出特性,提高電路的效率、穩(wěn)定性和可靠性。
On one hand , it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe . one the other hand , it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve 一方面可增大力矩馬達(dá)工作氣隙部分產(chǎn)生的阻尼,從而可以抑制射流管的自激,另一方面又可增大工作氣隙的導(dǎo)磁率,改善力矩馬達(dá)部分的磁路效率,從而提高伺服閥的動態(tài)響應(yīng)速度。
Based on the special property of magnetic fluid ( mf ) , we fill the magnetic fluid into the working clearances of the servo valve torque motor . one side , the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side , it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability 基于磁流體所具有的特殊性質(zhì),將磁流體添加到伺服閥力矩馬達(dá)的工作間隙中,一方面磁流體被磁化后可增大銜鐵的阻尼力,減少振動;另一方面由于力矩馬達(dá)氣隙中磁導(dǎo)率的提高,使氣隙中的磁通量增大,力矩馬達(dá)的磁路效率和輸出扭矩將增大,因此可以提高力矩馬達(dá)的固有頻率和伺服閥的響應(yīng)速度。
By using the larger magnetic permeability , magnetic fluid was used to improve the magnetic circuit efficiency in torque motor , enlarge the output torque and displacement of torque motor , and the output flow of servo valve . correspondingly , the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid . as a result , the stability of servo valve and servo - control system can be improved 由于磁流體具有較大的導(dǎo)磁率,可提高力矩馬達(dá)磁路效率、增大力矩馬達(dá)的輸出力矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強(qiáng)力矩馬達(dá)阻尼及抗干擾能力,從而增強(qiáng)伺服閥及伺服控制系統(tǒng)的穩(wěn)定性。