浅议基于单片机的太阳能路灯的铅酸蓄电池的快速充电系统外文文献翻译 浅议基于单片机的太阳能路灯的铅酸蓄电池的快速充电系统外文文献翻译 导读：HARGESYSTEMFORLEAD-ACIDBATTERYOFSOLARENERGYSTREETLIGHTBASEDONSINGLE-CHIPMICROPUTER1.IntroductionOurcountryisveryrichinsolarenergyresourcesandtheutilizationofsolarenergyheatisoneofthetechnologiesthatareofthehighestmercialdegreeandthemostuniversalappl 外​文​翻​译原 文Title：RAPID CHARGE SYSTEM FOR LEAD-ACID BATTERY OF SOLAR ENERGYSTREET LIGHT BASED ON SINGLE-CHIP MICROPUTER 1.Introduction Our country is very rich in solar energy resources and the utilization of solar energy heat is one of the technologies that are of the highest mercial degree and the most universal application in neination is our country's realistic choice under the existing national condition and it reduces the expenditures of municipal administration on street lamp to a certain extent.Especially in the neote border district that has difficulty in using electricity, it is of the strongest promotion and is taken seriously by Finance department; it is honored as the 21st century's green project.2.The basic theory of battery charging In the mid-1960s, American scientist Mas has done the massive experimental study to the charging-up process of ringent accumulator cell, and proposed acceptable charging curve taken by the accumulator by the loise, the curve function is 3 4 5 6 7 8 9 10 浅议基于单片机的太阳能路灯的铅酸蓄电池的快速充电系统外文文献翻译 导读：curve,itmayreducethedurationofcharginggreatly,andhasnotaffectonbattery'scapacityanditslife,thusithadestablishedresearchdirectiontothemethodofthefastcharging.iscalledthecurvethebestchargepatterninprinciple.ItMayseethattheinitialchargingcurrentisve i I 0 e .The experiment indicated that if the charging current changes according to this curve,it may reduce the duration of charging greatly, and has not affect on battery's capacity and its life, thus it had established research direction to the method of the fast charging.is called the curve the best charge pattern in principle.It May see that the initial charging current is very big from the Mas curve, but ary cause is that it es into being the phenomenon of polarization during the process of charging.The phenomenon of polarization is refers to that the interior the sealed accumulator has produced the oxygen and the hydrogen during its process of charging, ptly, then it piles up on the positive plate, enlarge the pressure of the interior of battery, the batterys temperature rises, reduces positive plate's area simultaneously, performance by the increase of interior resistance.The polarization can affect the speed and the quality of charging, and even reduce the life of accumulator.Therefore, its important to develop fast charge system of battery ance is fine and movement is reliable.By N 3 4 5 6 7 8 9 10 浅议基于单片机的太阳能路灯的铅酸蓄电池的快速充电系统外文文献翻译 导读：esolarstreetlightsystem,accumulatorschargingsourceisfromthesolarcell,thechangeofclimateandtheuser'sexcessiveusingelectricityareveryeasytocausetheaccumulatorover-discharge,andthereforethenormalulator as far as possible for premise, it hoped that it can fill the battery capacity sufficiently adopting第 1 页the biggest charging current in a short time,and the battery neither produces too much gases nor causes the interior hyperpyrexia during the process.3.Solar street light system In the solar streetlight system, accumulators charging source is from the solar cell, the change of climate and the user's excessive using electricity are very easy to cause the accumulator over-discharge, and therefore the normal ulator's life ulator cell has been in the use process floats the charge or the shalloulator cell's service life ore time.Therefore, the function of the charging and discharging control system is obvious in the streetlight system merely relies on the solar cell for the battery charging, its performance has decided accumula 3 4 5 6 7 8 9 10 浅议基于单片机的太阳能路灯的铅酸蓄电池的快速充电系统外文文献翻译 导读：ctrode.Itssyntheticaleffectistoreducethepolarizationoftheaccumulator'sconcentration,permittoenlargethechargingcurrent,reducethechargingtime.Becausethephenomenonofpolarizationisoftennotobviousduringtheinitialperiodofcharging,itmayadoptbigelectriccurrent tor's performance, system's reliability and system's cost directly.3.1 pulse charging method The theoretical base of pulse fast charge method is by superimposing certain frequency, ide during the charge, makes the lead ion participates in the response produce Pb by dissolving PbS04 and PbO2 e and enhances its density, also makes the procreant H+ and HS04- ion put aside e from the surface of electrode.Its synthetical effect is to reduce the polarization of the accumulator's concentration, permit to enlarge the charging current, reduce the charging time.Because the phenomenon of polarization is often not obvious during the initial period of charging ,it may adopt big electric current 0.81 time of rated capacity to carry on the co