以AT89S52單片機(jī)為控制核心,采用電容降壓技術(shù),Buck電路拓?fù)?PWM驅(qū)動模塊和功率器件散熱設(shè)計,通過高速的數(shù)據(jù)采集、主功率輸入輸出模塊和控制模塊,設(shè)計一種新型智能車載充電器.在充電過程中,通過負(fù)脈沖瞬間放電實(shí)現(xiàn)對鉛酸蓄電池的再生修復(fù),提高電池的有效容量,延長使用壽命.該充電器體積小、速度快、效率高、可靠性好.With AT89S52 single chip computer as the control core,a new type of intelligent car-carried charger was designed by using capacitance step-down technology,Buck circuit topology,PWM driving module and power device heat dissipation design,through high-speed data acquisition,main power input and output module and control module.In the charging process,the regeneration and repair of lead-acid batteries are Realized by instantaneous discharge of negative pulse,which improves the effective capacity of batteries and prolongs their service life.The charger has the advantages of small size,fast speed,high efficiency and good reliability.
標(biāo)簽：
車載充電器
上傳時間：
2022-03-27
上傳用戶：
本文設(shè)計了一種磁致伸縮位移傳感器,介紹了該磁致伸縮位移傳感器的測量原理,通過結(jié)構(gòu)優(yōu)化設(shè)計提高了儀器的性能,詳述了硬件電路設(shè)計及實(shí)現(xiàn)方法,完成了軟件設(shè)計,實(shí)現(xiàn)了高壓充電、問詢脈沖加載、時間測量及濾波等功能,并通過實(shí)驗(yàn)對其性能進(jìn)行了驗(yàn)證。所研制的磁致伸縮位移傳感器具有測量精度高、長期穩(wěn)定性好等特點(diǎn),滿足了大量程、高精度、惡劣環(huán)境等測量的要求。A kind of sensor based on magnetostrictive principle is designed.The measuring principle of the magnetostrictive displacement sensor is introduced,the performance of the instrument is improved by the structural optimization design,and introduced the hardware circuit design and the realization method,completed the software design,Realized the functions of the high voltage charging,inquiries pulse loading,time measurement and filtering,and its performance is verified through the experiment.The magnetostrictive displacement sensor has the characteristics of high measuring precision.The sensor meets the requirements of large range,high precision,poor environment and so on.
標(biāo)簽：
位移傳感器
上傳時間：
2022-04-06
上傳用戶：
