农机化研究
農機化研究
농궤화연구
JOURNAL OF AGRICULTURAL MECHANIZATION RESEARCH
2016年
3期
124-128
,共5页
磁路%生物育种%锁相环%交变磁场
磁路%生物育種%鎖相環%交變磁場
자로%생물육충%쇄상배%교변자장
magnetic circuit%biological breeding%phase-locked loop%alternating magnetic field
装置分为输出磁场的磁路部分、激励磁场的电路部分,以及以DSP 为控制核心的控制部分。磁路部分设计为带气隙的环回形,励磁线圈中配有铁氧体磁芯可以大大增强装置输出的磁场强度,交变磁场产生于气隙即为实验区。电路部分采用的是桥式拓扑结构,控制部分采用改进的锁相环使得逆变器工作在小感性的准谐振状态,确保整个装置安全、稳定、高效的运行。最后通过仿真验证了装置的可行性,实验结果表明:该交变磁场发生装置能够连续地调节磁场频率和场强,育种效果得到认可。
裝置分為輸齣磁場的磁路部分、激勵磁場的電路部分,以及以DSP 為控製覈心的控製部分。磁路部分設計為帶氣隙的環迴形,勵磁線圈中配有鐵氧體磁芯可以大大增彊裝置輸齣的磁場彊度,交變磁場產生于氣隙即為實驗區。電路部分採用的是橋式拓撲結構,控製部分採用改進的鎖相環使得逆變器工作在小感性的準諧振狀態,確保整箇裝置安全、穩定、高效的運行。最後通過倣真驗證瞭裝置的可行性,實驗結果錶明:該交變磁場髮生裝置能夠連續地調節磁場頻率和場彊,育種效果得到認可。
장치분위수출자장적자로부분、격려자장적전로부분,이급이DSP 위공제핵심적공제부분。자로부분설계위대기극적배회형,려자선권중배유철양체자심가이대대증강장치수출적자장강도,교변자장산생우기극즉위실험구。전로부분채용적시교식탁복결구,공제부분채용개진적쇄상배사득역변기공작재소감성적준해진상태,학보정개장치안전、은정、고효적운행。최후통과방진험증료장치적가행성,실험결과표명:해교변자장발생장치능구련속지조절자장빈솔화장강,육충효과득도인가。
The device is divided into the output magnetic field of magnetic circuit parts、excitation the magnetic field of circuit part and the control section with the DSP as the core .Magnetic circuit part is designed for the loopback shape with the air gap , The magnet coil equipped with ferrite core can greatly enhance the output of the magnetic field strength , the alternating magnetic field generated by the air gap and it is the experimental area .Circuit part uses a bridge type topology structure , the control part adopts improved phase lock loop make the inverter works in a small perceptual quasi resonant state .To ensure the device safety , stable and efficient operation .Finally , the simulation verify the feasibility of the de-vice .The experimental results show that the device of the alternating magnetic field generator can continuous adjust mag -netic field frequency and field strength .