南华大学学报(自然科学版)
南華大學學報(自然科學版)
남화대학학보(자연과학판)
JOURNAL OF NANHUA UNIVERSITY(SCIENCE AND TECHNOLOGY)
2014年
3期
68-72
,共5页
阳璞琼%陈文光%赵立宏%吴荣燕%曾铁军
暘璞瓊%陳文光%趙立宏%吳榮燕%曾鐵軍
양박경%진문광%조립굉%오영연%증철군
非接触供电%松耦合变压器%开关电源%串联谐振%电磁感应
非接觸供電%鬆耦閤變壓器%開關電源%串聯諧振%電磁感應
비접촉공전%송우합변압기%개관전원%천련해진%전자감응
contactless power system%loosely coupled transformer%switching power supply%series resonance%electromagnetic induction
电梯轿厢随行电缆有碍美观且需要定期维护,为了摆脱对随行电缆的依赖,设计了一种新颖的电梯轿厢无随行电缆非接触供电系统,采用高频松耦合变压器实现电能的非接触传输。电梯轿厢升降运动时利用蓄电池的储能供电,非接触供电系统处于关闭状态;在每个楼层平层静止时,系统收到电梯平层信号,系统启动供电并对蓄电池充电。这种供电方式可以提高供电效率,减少高频电磁污染。分析了松耦合变压器的等效电路模型,研究了工作气隙、工作频率、补偿电容等对供电效率的影响。根据系统要求设计了简单高效的大功率开关电源充电器,稳压效果好,可靠性高。
電梯轎廂隨行電纜有礙美觀且需要定期維護,為瞭襬脫對隨行電纜的依賴,設計瞭一種新穎的電梯轎廂無隨行電纜非接觸供電繫統,採用高頻鬆耦閤變壓器實現電能的非接觸傳輸。電梯轎廂升降運動時利用蓄電池的儲能供電,非接觸供電繫統處于關閉狀態;在每箇樓層平層靜止時,繫統收到電梯平層信號,繫統啟動供電併對蓄電池充電。這種供電方式可以提高供電效率,減少高頻電磁汙染。分析瞭鬆耦閤變壓器的等效電路模型,研究瞭工作氣隙、工作頻率、補償電容等對供電效率的影響。根據繫統要求設計瞭簡單高效的大功率開關電源充電器,穩壓效果好,可靠性高。
전제교상수행전람유애미관차수요정기유호,위료파탈대수행전람적의뢰,설계료일충신영적전제교상무수행전람비접촉공전계통,채용고빈송우합변압기실현전능적비접촉전수。전제교상승강운동시이용축전지적저능공전,비접촉공전계통처우관폐상태;재매개루층평층정지시,계통수도전제평층신호,계통계동공전병대축전지충전。저충공전방식가이제고공전효솔,감소고빈전자오염。분석료송우합변압기적등효전로모형,연구료공작기극、공작빈솔、보상전용등대공전효솔적영향。근거계통요구설계료간단고효적대공솔개관전원충전기,은압효과호,가고성고。
The cable traveling with the elevator car is not aesthetic and needs a periodic maintenance. In order to be freed from the cable,this paper designed a novel contactless power system of elevator car without traveling cable, realized the functions of contactless energy transmission by using high frequency loosely coupled transformer. The elevator car uses electricity from lead-acid batteries when it moves vertically,and the contactless energy transmission is closure. When the elevator car stopping at any floor,the contactless power system receives the arrival signal,resumes energy transmission and charges lead-acid bat-teries. This idea can improve the power supply efficiency and decrease the high frequency electromagnetic pollution. This paper analyzed the equivalent circuit model of loosely cou-pled transformer,and the influence of the working air gap,operating frequency,compensa-ting capacitor and so on to the supply efficiency was also studied. Finally,we designed a simple and efficient charger of high-power switching power supply, which had a better effect in voltage regulation characteristics and a high reliability in work.