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LED手电筒新手购买入门必备资料

   LED手电筒新手购买入门必备资料
   
     如果您需要购买一个手电的话,必然有需要它的理由.一个好的手电,并不必然就是一个贵的手电,也不必然就是一个做工好的手电。只有适合自己使用的,才是最好的。
   
     为了让不是很体味LED手电的新手能快速找到适合自己的手电筒,下文将从你采办手电的目的和要求来写。你只需按你的要求来找到年夜问题,就可以找到你所需要的并适合你的筒子。
   
     一般电筒首要有以下用途:
   
     一.走路照明用手电
   
     属最常见用途,年夜多用于夜晚上下楼,晚班下班途中或外出时才带上,仅用作走路时的照明,一般来说要求泛光充沛,亮度中等,显色性好。对筒子的要求不高,选择规模很广.本店年夜年夜都的电筒都能知足这种要求.
   
     1.筒子类型:可以用18650直筒或是AA筒子.
   
     2.要求达到的亮度:平展年夜道上走路对亮度要求不高,一支功率1W以上的AA筒子足够了.假如是村子的土路或是山区山路,最好得用18650筒子。
   
     3.LED的光色,在路面干燥的情形用白光的LED就行了,假如是山区或是在湿滑的情形下,最好是用热白或是自然白的LED以增添显色性,同时,能有功率年夜点的筒子就用年夜功率筒子,事实平安最主要。
   
     4.电路要什么档位:单档或高,中,爆闪三档。爆闪首要用来提醒人和过马路时用的。
   
     5.用什么光杯:因为要求泛光好,所以举荐用桔皮杯,而且最好要浅一点的桔面杯。之所以要用浅一点的原因,不单是指浅一点的相对不聚光,还指LED发出的光线能有更多的光线是直接射出不经由反光碗反射出往的。不经由反光碗反射的益处是,桔皮反光碗的效率较低,有的只能达到70%摆布,所所以不经由反射会亮一点点。当使用的筒子功率较小的情形下,本人不建议用桔皮杯的筒子,而用反光率更高一点的光面杯筒子,当然是指浅一点的光面杯。
   
     6.要求达到的外不美观措置:按小我快乐喜爱而定。
   
     7.要求防水机能:能防年夜雨冲淋即可。
   
     8.价位:按小我经济实力,一般选择中低价筒就够用了
   
     二.EDC用(EDC的意思是天天随身带,以备不时之需)
   
     1.筒子类型:EDC当然要求便利携带了。按要求分歧,对筒子用的电池和体积也有所分歧:最便利的是AAA;最亮和最远射是16340,各方面机能都不错而且最便利买电池的是AA;续航时刻最长的是直筒18650筒子。
   
     2.要求达到的亮度:EDC用的筒子和日常平常走路的筒子有良多配合点,所分歧的只是在达到四周机能的情形下,要求必需足够小以便利携带。所以小我觉得EDC的筒子要求比走路用筒要高得多。EDC还有一个特点就是在年夜部份时辰只需亮几秒钟或是几分钟,而不必考虑长时刻点亮时的发烧.所以,要求亮度高的自然是用锂电最好.一般要求就用AA或AAA.
   
     3.LED的光色:用白光即可。
   
     4.用各类电池的续航时刻:追求高亮,就用各类锂电池。在LED耗损功率3W,电流750MA时,各类锂电池继航时刻:18650的续航时刻在三小时;16340或是14500续航时刻在1小时;15266或是10440续航时刻在20分钟;追求中等功率而且通用性好,就用所有小店里能买到的通俗电池。用可充AA电池,放电电流2A摆布时,续航时刻约1小时;用高质量的容量达到2200MAH的碱性AA电池,放电电流在1A摆布时,续航时刻约在近2小时(假如用2A电流放电就很不经济,往往只能高亮半个多小时);用垃圾AA电池时,1A放电也不经济,最好用500MA电流放电,续航时刻能达到约2个小时。
   
     5.用什么电路:18650筒最好用7135组成的恒流电路,不建议用升压电路,原因是7135的电路最不变,效率高,7135恒流电路的错误谬误是当电压低到必然水平时,越用亮度越低,这个错误谬误在EDC时往往是利益:谁能保证当你正需要用电筒时,你的电筒的电正好是充沛的呢,当你的电量很少时,7135的电路正好能供给很暗的光,至少能对于一下吧。对于AA筒子,那只能用升压电路啦,最好用质量好效率高的,以节约电量达到延迟续航时刻的目的。
   
     6.电路要什么档位:高,中,低,爆闪,SOS,用得最多的仍是高,中二档。
   
     7.用什么光杯:头部直径年夜的,好比直筒18650和用16340的,举荐用浅一点的桔面杯。之所以要用浅一点的原因,不单是指浅一点的相对不聚光,还指LED发出的光线能有更多的光线是直接射出不经由反光碗反射出往的。不经由反光碗反射的益处是,桔皮反光碗的效率较低,有的只能达到70%摆布,所所以不经由反射会亮一点点。当使用的筒子头部较小的情形下,好比AAA的筒子,建议用反光率更高一点的光面杯筒子,好的光面杯子在AAA上也能在近处聚成一个光斑,有一个亮的光斑仍是斗劲有用的。
   
     8.要求达到的外不美观措置:要耐磨的最好,好比不锈钢的或是HAIII的.
   
     9.要求防水机能:能防年夜雨冲淋即可
   
     10.价位:按小我经济实力,一般选择稍贵一点的筒子,事实是成天跟着自己的,操作率高,当然得用好点的。
   
     三.户外搜索用(狩猎或户外勾当等,需要高亮,必需远射)
   
     1.筒子类型:必需用18650年夜头(功率年夜,亮度高,能远射,继航时刻1.5至3小时);假如不要泛光和不用高亮度,不需要好光斑,可以用调到光斑极小的透镜手电。
   
     2.要求达到的亮度:良多都是对LED进行超频使用,电流往往要达到LED的使用极限,用18650筒子,电流达到1000MA的算一般,达到1200MA的就是接近Q5的LED的极限了,因为再增添电流时,发光强度增添的很小,可是LED寿命年夜减,所以不建议跨越1200MA。这时,LED耗损功率达到4.5W摆布。
   
     3.LED的光色,在情形潮湿的情形下,最好用热色的LED,在干燥的情形下,最好用白光LED,因为白光比热色的要亮。
   
     4.各类电池的续航时刻:追求高亮,用18650年夜头,功率3W,电流750MA的筒子是最低要求,续航时刻在三小时;电流1200MA,功率达到4.5W,这是Q5的LED的极限了,因为用了升压电路,LED的电流1200MA时,电池端的电流就可能达到1.2至1.7A,续航时刻在1.5小时。
   
     5.用什么电路:当然用的18650锂电池,可是Q5的电压高,当电池在3.7V放电平台时就不能有足够年夜的电流供给给LED了,所以一般要用升压电路,最好用质量好效率高的,因为高亮档续航时刻短而且不经济。
   
     6.电路要什么档位:高,中,低三档和五档。
   
     7.用什么光杯:因为要求泛光少点,一般是用斗劲深的年夜口径光面杯。
   
     8.要求达到的外不美观措置:一般要求筒子是黑色的。
   
     9.要求防水机能:至少能防年夜雨冲淋,因为有时要涉水,所以一般要求是能在筒子高温时泡冷水里也没事。
   
     10.价位:按小我需要达到怎么样的远射机能而定,为达到高亮度和超强的远射机能,一般选择中高价筒假如在亮度和远射机能及外不美观等方面有所妥协,就完全可以用中低价筒子。
   
     四.车载用(永远放在车上,有用时能随手拿到的筒子)
   
     1.筒子类型:建议用直筒,可以用18650直筒(功率年夜,亮度高,继航时刻约3小时),或是较年夜功率的AA筒子直筒(电池处处可买,携带便利,继航时刻约1小时)。
   
     2.要求达到的亮度:假如用18650筒子,电流达到750MA,LED耗损功率达到3W摆布就行了,假如用AA最好用电池端能达到2A电流的档次高点的AA。
   
     3.LED的光色,假若有时要走路用或是修车用,仍是用热白斗劲合适。
   
     4.各类电池的续航时刻:用18650锂电池,功率3W,电流750MA的筒子续航时刻在三小时;用可充AA电池,放电电流2A摆布时,续航时刻约1小时;用高质量的容量达到2200MAH的碱性AA电池,放电电流在1A摆布时,续航时刻约在近2小时。
   
     5.用什么电路:18650筒最好用7135组成的恒流电路,强烈不建议用升压电路,原因是7135的电路最不变,效率高,7135恒流电路的错误谬误是当电压低到必然水平时,越用亮度越低,这个错误谬误在没电而强烈需要电筒时反而是利益。对于AA筒子,那只能用升压电路啦,最好用质量好,出格是在长时刻震动后靠得住性高的,以确保随时能用的目的。
   
     6.电路要什么档位:高,中,低,爆闪。爆闪是必需的,主若是在修车时可以起到提醒后车的目的。
   
     7.用什么光杯:因为照的往往是近距离,假如光斑太集中反而看不清,所以要求泛光很是好的,所以举荐用浅一点的桔面杯。之所以要用浅一点的原因,不单是指浅一点的相对不聚光,还指LED发出的光线能有更多的光线是直接射出不经由反光碗反射出往的。
   
     8.要求达到的外不美观措置:必需耐磨
   
     9.要求防水机能:能防年夜雨冲淋即可。
   
     10.价位:按小我经济实力,一般选择中价筒就够用了。
   
     五.送给MM用手电(MM在晚上就会想起你)
   
     1.筒子类型:怎么花哨,怎么惹MM喜欢为遴选筒子的第一首则。
   
     2.要求达到的亮度:亮度当然不能太差,但MM凡是要求也不会太高。
   
     3.LED的光色:用白光即可。
   
     4.用各类电池的续航时刻:这里的继航时刻,以你想下一次见到MM的时刻而定。好比你很想马上再次见到MM,那么就用好比CR2或是CR123等斗劲难买的电池,所需要做的就是把电放光或是只恰当的充一丁点电,很快,电筒没电了,MM就来找你啦。假如你并不想见到该MM了,那就可以用AA电池的或是AAA电池的筒子来送她,假如用这个电池没电了后她还来找你的话,你麻烦就年夜了。
   
     5.用什么电路:无所谓,只要不是很等闲坏的就行。
   
     6.电路要什么档位:MM并不是都很聪明,什么分组分档啊的东东一般不会用而且感受你烦,可是只是一档又不够花哨,也不能浮现你的筒子的出格,所以必需的二档就是高亮和爆闪,并对她说爆闪是防狼的,不管什么狼见了城市跑失踪的。
   
     7.用什么光杯:亮晶晶没尘埃的即可。
   
     8.要求达到的外不美观措置:最好要耐磨的,好比不锈钢的,要否则放化妆包包里和她的各类奥秘刀兵PK没几天就涣然一新,她就会想你怎么送这么不牢靠的东东,估量你这小我也是差不多吧。
   
     9.要求防水机能:能防年夜雨冲淋即可,可以泡在水中的表演给MM看,当然是做好把筒子送给MM的心理预备才给她看的。
   
     10.价位:按小我经济实力,一般广播种的没法子,只能选差一点的.假如是选定来当LD的,那当然选择贵的筒子啊,越贵越好。
   
     手电筒根基常识
   
     手电的根基事理:手电由发光体、电池、电路、外壳、反光杯、电路仓、开关等组成,根基事理是电流从电池出来,然后达到电路,经由电路调整电压和电流,然后输出到发光体,进行点亮照明。
   
     一.发光体
   
     手电用的发光体有:白炽灯、LED和HID等,LED的亮度单元统一用流明(Lumens)标示,也就是凡是说的光通量。
   
     1、LED:
   
     最风行的就是LED了,中文全名就是“发光二极管”,小功率的LED一般都是多头用在1AA或者3AA,这个我就不多说了,功率其实太小,家用还可以,不外户外就差多了,首要说说户外使用的3W以上的年夜功率吧,首要代表也是今朝最风行的是美国CREE的LED,寿命长,按照厂家数据最高可到10万小时。
   
     首要型号的参数:
   
     P3,350mA亮度73.9-80.6Lumens,700mA亮度119.7-130.6Lumens
   
     P4,350mA亮度80.6-87.4Lumens,700mA亮度130.6-141.6Lumens
   
     Q2,350mA亮度87.4-93.9Lumens,700mA亮度141.6-152.1Lumens
   
     Q3,350mA亮度93.9-100.4Lumens,700mA亮度152.1-162.6Lumens
   
     Q4,350mA亮度100.4-107Lumens,最年夜电流1000mA
   
     Q5,350mA亮度107-114Lumens,最年夜电流1000mA(可达220-250lm)
   
     R2,最年夜电流1000mA(可达260lm)
   
     当然型号良多,我们最常用的也就是P4、Q2、Q5,其中此刻最风行的莫过于Q5了因为效率高,亮度年夜,电流可以到1A,亮度最高能到250流明。假如想远射和泛光都好就用MC-E和P7,确实好,适合自行车和城市照明,
   
     2、卤素灯泡。
   
     以前市场上良多,在LED还没有风行的时辰很流行,此刻很少了
   
     3、通俗的灯泡(白炽灯)。这个就不用多说了,最具有代表性的就是常见的虎头手电了,从小陪同我们成长,不外此刻有点赶不上时代了,不外低价位仍是有良多市场的。
   
     4、充氙气的钨丝氙气灯泡。
   
     里面充的氙气,亮度前进良多,偏黄的光色。特点是亮度高,可是寿命短,也就最多40小时摆布。
   
     5、HID(氙气体高压放电灯)。
   
     灯泡里面充的氙气,高压点亮,亮度超高,功率常见的功率有10W、24W、35W,亮度在1000-3000流明,灯泡寿命最高的能有3000小时,是手电重点佼佼者。利益是良多,错误谬误:因为灯杯和安靖等身分,体积下不来,体积比一般的单节18650的手电偏年夜,最要命的就是一个字“贵”,最廉价的也要1000多,不是一般玩家消费的。
   
     二:电池
   
     手电筒常用的电池有AA(5号电池)、AAA(7号电池),AA又分碱性电池也就是凡是说的不能充电的干电池(1.5V)和可以充电的镍氢电池(1.2V);
   
     还有就是锂电池了,电压2.45-4.20V,型号有14500、16340、18650等等,良多伴侣看这些数字有些晕,说怎么区分啊,其实很简单,定型号的数字都是有原因的,好比14500电池的直径是14毫米,长度是50毫米;16340电池直径是16毫米,长度是34毫米,以此类推,18650电池就是直径18毫米,长度65毫米。
   
     锂电池还分带呵护电路的(防止过充过放的电路)和不带的,巨匠应该都知道锂电池是不能过充过放的,假如电池过充就是布满电了还在充电器不拿出来还长时刻继续充会发生漏水或者***;假如过放,就是电池用到一点电也没有了才往充,这样城市导致电池报废的,此刻加装了呵护电路就不会有这样的问题问题了,可是错误谬误就是体积变年夜了,比不带呵护电路的(就是上段说的电池尺寸)要年夜一点,直径增添1毫米摆布,长度增添2毫米摆布。使得有些手电放电池的时辰有些坚苦,需要慢慢试探的才能塞进往,不外年夜部门手电都是可以轻松放进往的。
   
     还有就是电池串联并联的问题问题,串联电流不变,电压为之前2倍;并联电压不变,电流为之前2倍。
   
     假如电池是带呵护电路的(带防过充过放功能)就不用看以下介绍了,以下主若是针对没有呵护电路锂电池讲解的:
   
     新品电池的电量不是太多;要电池在第一次使用时,不需要充电时刻太长,仅按照充电器的充电指示措置即可:
   
     在充电时,按照充电器的充电快慢,当指示灯的颜色转变时就当即掏出电池,不要过充,建议充电时刻不要跨越3-5小时;
   
     充完电,要把电池从充电器里掏出;
   
     选择充电器,最好使用有防过充的充电器;
   
     在使用时,按照电筒对电压的要求使用电池,不要乱用,以防烧坏电筒;
   
     在使用中,当电筒的亮度发生较着转变时就要封锁电筒,防止过放,(不能同手机电池那样,用到手机自动关机,这样电池就会过放,而不能再用);
   
     强光手电筒,手电筒使用技巧:电筒在使用过程中,要保证散热正常,用手拿着就是最好的体例,建议放着点亮时刻要按照电筒的发烧情形实时用手拿一下,以便散热;
   
     电筒在使用时,建议每用30分钟后封锁2-3分钟,以便散热;寄望电池的防水防潮防摔等。
   
     三:电路
   
     电池可以直驱(就是直接将电池的两头用导线链接到LED的正负接头上)年夜部门LED的,可是电流不不变,有年夜有小,等闲造成LED寿命缩短发生光衰,所以节制电压和电流的手电筒专用电路就降生了,电路首要有下几种:
   
     1、升压电路。首要用于使用1AA、2AA电池的手电,因为年夜部门LED的工作电压在3.6摆布,AA电池电压在1.2-1.5,电压不够,需要将电压升到3.6才能使LED正常工作,也就发生了这种电路。
   
     2、降压电路。一般用在双锂电手电筒上的,好比用2节16340的手电筒,LED的工作电压在3.6,而2节16340串联的电压有7.5V摆布,就需要把电路的输出电压降到3.6为LED供电。
   
     3、自动升降压电路。顾名思义就是当电池电压高于LED的工作电压的时辰就把输出电压降到LED的工作电压,当电池电压低于LED工作电压的时辰把输出电压升到LED的工作电压,这样就发生了恒压恒流,这就是最理想的电路了。
   
     四:筒身、反光杯
   
     1、筒身。高档手电年夜部门都是铝合金外壳,材质都差不错,首要区别在概况措置上,一般年夜部门手电只要没有非凡用途都是通俗的氧化措置,以黑色、灰色为主。有些手电要求能够抗磨概况不失踪色的,那就采用阳极氧化措置,措置后概况坚硬,用刀刮也不会呈现痕迹,不外价钱就高了。
   
     2、灯杯。常见的有橙面杯和光面杯,橙面杯的概况是凹凸不服的橘皮状,特点是反光平均,照射出的光斑标致;光面杯的特点是反射效率高,聚光机能好,也就是远射下场好,可是照射出的光斑外圈有层光环让人感受不完美。

    

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   The LED flashlight novice purchase necessary entry information
    
   If you need to buy a flashlight, need it, the reason must have a good flashlight, not necessarily an expensive flashlight does not necessarily a good work flashlight. Only for their own use, is the best.
    
   In order to let the not very savor the LED flashlight novice can quickly find the purpose and requirements of the flashlight, below from your procurement flashlight to write. You only need to press your request to find a large problem, you can find what you need for your cheese.
    
   General flashlight primary the following purposes:
    
   A walk lighting with a flashlight
    
   Is the most common use of a large multi-downstairs for the night on the evening only way to work or go out to bring in just the lighting to make walking in general requires a pan light with plenty of medium brightness, the color is good. Cheese do not ask for much, choose a wide scale. OUR Eve Eve are the torch can be content with such a request.
    
   1. Cheese types: with a 18650 straight or AA cheese.
    
   2. Required to achieve the brightness: flat Eve trail walk brightness less demanding enough, a power of more than 1W AA cheese. 18650 cheese if village dirt road or mountain mountain road, it is best to use statistics.
    
   3. LED light color with a white light LED, the pavement is dry on the line, be it mountain or in slippery situations, it is best with hot white or natural white LED to add color rendering, at the same time, can cheese with the power of a large point with a large power cheese, the most important fact that peace.
    
   4. Circuit to stall: a single file or high in the explosive flash third gear. The flash burst prime used to remind people to use to cross the road.
    
   5. What light cup: requirements floodlight, so recommend using orange peel cup, and preferably lighter orange face cup. The reason to use shallow reasons, is not only lighter relative condenser, the more light the LED light is directly emitted via the reflector bowls reflecting to. The benefits via reflector bowls reflection orange peel reflector less efficient, and some can only reach about 70%, it is not through the reflection will light a little. When using the power of cheese smaller case, I do not recommend using orange peel cup of the cheese, reflecting a higher rate of glossy cup cheese, of course, refers to the light a little glossy Cup.
    
   6. Required to achieve outside the unsightly processor: according to my enthusiasts.
    
   7. Requirements the waterproof functions: Anti-year night rain shower can.
    
   8. Price: economic strength, general selection of low-cost barrel suffice
    
   . EDC with the (EDC mean carry with them every day, to prepare for contingencies)
    
   1. Cheese Type: EDC the course convenient carry. Differences as required, battery and volume of cheese also divided: the most convenient AAA; 16340 is the brightest and most long-range, all aspects of functioning are good and most convenient to buy batteries AA; life moments longest straight 18650 cheese.
    
   2. Required to achieve brightness: with the point of the EDC with the bobbin and the daily usual walking bobbin there are many differences in the case reached four weeks functioning requirements must be sufficiently small in order to facilitate carrying. So I think the EDC cheese requires much higher than walking with barrel. EDC feature is in a large part of the hour by simply highlighting a few seconds or a few minutes, without considering the long time lit fever. Require high brightness natural lithium best. General requirements on AA or AAA.
    
   3. LED light color: white can.
    
   4. Various types of battery life moments: the pursuit of a highlight, with various types of lithium batteries. Depletion in LED power 3W, current 750MA, various types of lithium batteries following the flight time: 18650 endurance time in three hours; 16340 or 14500 life moment in 1 hour; 15266 or 10440 life time of 20 minutes; pursuit of medium-power but versatility, with all the small shop can buy popular battery. Rechargeable AA batteries, the discharge current 2A mercy, life time is about 1 hour; to reach a 2200MAH alkaline AA batteries with the capacity of the high-quality, discharge current 1A mercy, life moment about the nearly two hours (with 2A current uneconomical to discharge, often only highlighted more than half an hour); garbage AA batteries, 1A discharge nor economical, best 500MA current discharge, battery life time can reach about two hours.
    
   5. What circuit: 18650 cylinder is preferably 7135 composed of a constant current circuit, does not recommend using the booster circuit, the 7135 circuit constant, high efficiency, 7135 error error of the constant current circuit when the voltage is low to the inevitable level the lower, the more brightness, this error fallacy in the EDC often benefits: Who can guarantee that when you are with a flashlight when your flashlight electric just is plenty of it, when your battery is low, the 7135 circuit just be able to supply a very dark light, at least for it. AA cheese, it would only boost circuit can be used you, preferably with good quality and efficiency, to delay life time to save power.
    
   6. Circuit to stall: high, medium, low, burst flash, SOS, with most still in second gear.
    
   7. What light Cup: head diameter Eve is like straight 18650 and 16340, recommend using a lighter orange face cup. The reason to use shallow reasons, is not only lighter relative condenser, the more light the LED light is directly emitted via the reflector bowls reflecting to. The benefits via reflector bowls reflection orange peel reflector less efficient, and some can only reach about 70%, it is not through the reflection will light a little. When the case of the use of the cheese head smaller, the like AAA bobbin, recommendations Smooth cup cheese reflecting a higher rate, and good glossy cup can also be in the AAA near clustered into a spot, there is a The brightest spot is still fresh fighting.
    
   8. The requirements reach outside unsightly processor: the best wear resistance, like stainless steel or HAIII to.
    
   9. Require waterproof function: Anti-year night rain shower can
    
   10. Price: economic strength, generally choose a slightly more expensive cheese fact is followed, operating high all day, of course, starting point.
    
   Outdoor search with (hunting or outdoor activities, the need to highlight the necessary long-range)
    
   1. Cheese types: essential 18650 Eve head (the power of a large, high brightness, long-range, following the flight time from 1.5 to 3 hours); if not pan-light and do not have high brightness, do not need a good spot, you can use transferred spot pole small lens flashlight.
    
   2. Requirements to achieve the brightness: overclocking lot are LED, limit the use of LED current tends to reach 1000MA 18650 cheese, the current reaches the reach 1200MA is close to the limit of the LED Q5 add another current, luminous intensity adds a very small, but the LED life a large reduction is not recommended across 1200MA. At this time, LED depletion power reach 4.5W mercy.
    
   3. LED light color, in the case of wet circumstances, it is best to use a thermal color LED, in the case of dry, preferably with a white LED, because the white color than the heat should be bright.
    
   4. Various types of battery life moments: the pursuit of highlighting, 18650 big head, power 3W, current 750MA cheese is the minimum requirement, the life time of three hours; current 1200MA power reaches 4.5W, the Q5 LED limit , because of the boost circuit, the LED current 1200MA, the battery-side of the current may reach 1.2 to 1.7A, life time at 1.5 hours.
    
   5. What circuit: course 18650 lithium battery, but the Q5 voltage battery 3.7V discharge platform can not be sufficient a large current supply to the LED, it is generally to use booster circuit, best quality good efficiency, because of the short life time of the highlighted file and uneconomical.
    
   6. Circuit to stall: high, medium and low grades and five-speed.
    
   7. What light cup: because they require less floodlight, generally is a a deep fresh fighting a large-caliber glossy Cup.
    
   8. Required to achieve outside the unsightly processor: the general requirement cheese black.
    
   9. Requirements the waterproof functions: at least anti annual night rain shower, because sometimes wading, so the general requirements can soak in the cheese at high temperatures cold water nothing.
    
   10. Price: small, I need to achieve what kind of long-range function may be to achieve the high brightness and super-long-range function, usually in high-priced barrel if the brightness and long-range function and outside unsightly and so compromises, it can be used in low-cost cheese completely.
    
   Four-vehicle use (never on the car, useful when you can readily get the cheese)
    
   1. Cheese type: recommended straight, you can use 18650 straight (the power of a large, high brightness, following the flight time of about 3 hours), or such a large power AA cheese straight (battery everywhere can buy, carry convenience, following The flight time of about 1 hour).
    
   2. Requirements to achieve the brightness: if 18650 cheese, the current reaches 750MA LED depletion power of the 3W mercy on the line, if AA is best to use battery terminal 2A current can reach high grade point AA.
    
   3. LED light color, if sometimes want to walk with or repair with appropriate hot white fresh fighting.
    
   4. Various types of battery life time: 18650 lithium battery, the cheese life time of power 3W, current 750MA in three hours; when 2A mercy rechargeable AA batteries, the discharge current, the life time of about 1 hour; capacity to achieve quality 2200MAH alkaline AA batteries, the discharge current 1A mercy, life time around for nearly two hours.
    
   5. What circuit: 18650 cylinder is preferably 7135 composed of a constant current circuit, strongly not recommended to use the booster circuit 7135 circuit constant, high efficiency, 7135 error error of the constant current circuit when the voltage is low to the inevitable level , the more you use the brightness lower this error fallacy interests but is no power strong need flashlight. AA bobbin, the booster circuit can be used it bird, preferably with the quality is good, especially in the long time after shaking reliable high to ensure that the purpose can be used at any time.
    
   6. Circuit to stall: high, medium, low, burst flash. Explosive flash is necessary, in the car can serve as a reminder, the purpose of the car.
    
   7. What light cup: according often close, if the spot is too concentrated instead not see, so they requested that the floodlight was very good, so recommend using a lighter orange face cup. The reason to use shallow reasons, is not only lighter relative condenser, the more light the LED light is directly emitted via the reflector bowls reflecting to.
    
   8. Requirements to achieve outside the unsightly processor: Required wearable
    
   9. Requirements the waterproof functions: Anti-year night rain shower can.
    
   10. Price: economic strength, general choice in the price of barrel is enough.
    
   MM gave with a flashlight (MM in the evening will think of you)
    
   1. Cheese types: how fancy, how to mess with MM like the first song is for the selection of the cheese.
    
   2. Required to achieve brightness: brightness is certainly not bad, but MM All requirements are not too high.
    
   3. LED light color: white can.
    
   4. Moment with the various types of battery life: here following the flight time, you think the next time I saw the moment of MM. Like you would like to once again met MM like CR2 or CR123 batteries not buy fresh fighting, then need to do is to electric shine or does it only appropriate to charge a little bit of electricity, and soon, the torch is not electricity, MM will come to you. If you do not want to see the MM, it can use AA batteries or AAA batteries cheese to send her, she did not use the battery power to come to you, you trouble on Eve.
    
   5. What circuit: does not matter, as long as it is not a very lightly bad line.
    
   6. Circuit to what stalls: MM is not very clever, split into groups to file stuff do not generally use and feel you trouble, but just enough fancy a file can not emerge the cheese out of line, so necessary second gear is highlighting and explosive flash, and she said, the explosive flash coyotes, no matter what the wolf met with city ran disappearance.
    
   7. What light Cup: shiny can not dust.
    
   8. Cosmetic Bag bag and her all kinds of mysteries sword outside unsightly processor required to achieve: the best wear resistance, like stainless steel, otherwise put PK did a few days to a contemporary new look, she will want you how to send so insecure stuff, measure your ego is almost right.
    
   9. Require waterproof function: night rain shower can can prevent years, you can soak in water show to the MM look, of course, is to do a good job gave the cheese MM psychologically prepared for her to see.
    
   10. Price: economic strength, the the general broadcasting kinds can not be helped, can only choose almost of if it is selected when the LD, and that, of course, choose your cheese, the more expensive the better.
    
   Flashlight foundation of common sense
    
   Flashlight foundation affair: flashlight foundations affair out by the current from the battery, and then reaches the circuit, via the circuit to adjust the voltage and current, and then output to the light emitting body by the luminous body, the battery, the circuit, the housing, reflector cup, circuit positions, switches, etc. lighting lighting.
    
   A luminous body
    
   Flashlight with luminous body: incandescent, LED and HID, LED brightness units unified with Lumen (Lumens) mark, that is, those who say that the luminous flux.
    
   1, LED:
    
   Most popular LED full Chinese name is "light-emitting diode, small power LED are generally bulls used in 1AA or 3AA, I do not say this, in fact, too small power, can also be home, but outdoors much weaker, first and foremost to talk about more of a large power 3W outdoor use, the primary representatives present the most popular in the U.S. CREE LED, long life up to 100,000 hours, according to the manufacturer's data.
    
   Primary model parameters:
    
   P3, 350mA brightness 73.9-80.6Lumens, 700mA brightness 119.7-130.6Lumens
    
   P4, 350mA brightness 80.6-87.4Lumens 700mA Brightness 130.6 141.6Lumens
    
   Q2, 350mA brightness 87.4-93.9Lumens, 700mA brightness 141.6-152.1Lumens
    
   The Q3, 350mA brightness 93.9 100.4Lumens, 700mA brightness 152.1-162.6Lumens
    
   Q4, 350mA brightness the 100.4-107Lumens, most Eve current 1000mA
    
   Q5, 350mA brightness 107-114Lumens, the most Eve currents 1000mA (up to 220-250lm)
    
   R2, the most Nianye current 1000mA (up to 260lm)
    
   Of course, made a lot of models, we are the most commonly used is P4, Q2, Q5, of which the most popular at the moment than the Q5 a high efficiency, brightness, a large current to 1A, brightness up to 250 lumens. If she wants a long-range floodlight with MC-E and P7, really good, for bicycles and urban lighting
    
   2, halogen bulbs.
    
   A lot on the market, not yet popular in the LED hour is very popular at the moment, few
    
   3, popular bulbs (incandescent). Needless to say this, the most representative is common the Steller flashlight childhood accompanied our growth, nothing more than a bit behind the times at the moment, nothing more than low-cost is still a lot of market.
    
   4, rechargeable xenon xenon bulb tungsten filament.
    
   The xenon filling inside, brightness forward a lot, the yellowish color of the light. Characterized by high brightness, but life is short, and it was up to 40 hours at the mercy.
    
   5, HID (xenon gas high-pressure discharge lamp).
    
   Xenon lamp inside the charge, high-voltage lighting, ultrahigh brightness, power of common power of 10W, 24W, 35W, 1000-3000 lumens brightness maximum lamp life 3000 hours, flashlight focus leader. Interests a lot of errors fallacy: because the lights cups and Anjing identity, volume, get down, the 18650 volume than the average single flashlight partial Eve, is the most terrible word "expensive", but also the cheapest over 1000 not players spending.
    
   : Battery
    
   Flashlight battery AA (batteries), AAA (7 battery) AA was divided alkaline batteries is who can not charge the dry batteries (1.5V) and can charge the nickel metal hydride battery (1.2V);
    
   There is a lithium battery voltage of 2.45-4.20V models 14500,16340,18650, many of my friends to see these figures is somewhat confusing, to say how to distinguish ah, in fact, very simple, specific model numbers are reason , like 14,500 diameter of the battery is 14 mm, the length is 50 mm; 16340 batteries is 16 mm in diameter, and is 34 mm in length, and so on, the 18650 battery is diameter 18 mm, length 65 mm.
    
   The lithium battery zoning care circuit (to prevent overcharge and over discharge circuit) without masters should know that lithium batteries can not overcharge and over-discharge of the If the battery charge is full power also charger not come to also long time continue to charge occurs leaking or ***; if over-discharge, the battery used electricity only to charge, so that the city lead battery scrap, at the moment the installation of a care circuit would not be such problem, but error fallacy is the volume of a large, than without care circuit (that is, on said battery size) to Eve that an additional 1 millimeter in diameter mercy, the mercy of an additional two millimeters in length. Hour battery makes some flashlight put some hard, you need to slowly tempted to stuffed to nothing more than a large department flashlight can be easily put to.
    
   There is the problem of the batteries in series parallel series current constant voltage of 2 times before; parallel voltage constant current 2 times before.
    
   If the battery with care circuit (with anti-overcharge and over-discharge) without looking at the following describes the following main explain not care circuit lithium battery:
    
   New battery power is not too much; battery first use, do not need charging time is too long, you can only renew in accordance with the charger charging indicator:
    
   Charging, the charger the charging speed of, when the indicator color change immediately took out the battery, not too filling, not to recommend charging time span 3-5 hours;
    
   Fully charged, the battery should be pulled out from the charger;
    
   Select the charger, it is best to use a charger with anti-overcharge;
    
   Use, in accordance with the torch using the battery voltage requirements, and should not be used indiscriminately, to prevent burn torch;
    
   Blockade flashlight in use, when the brightness of the flashlight obvious shift is necessary, to prevent over-discharge, (not the same mobile phone battery, used the phone automatically shut down, so that the battery will over-discharge, and can not be reused);
    
   Tips: torch during use, to ensure normal cooling your hands is the best style, recommend lying lit moment to put his hand in real time in accordance with the torch of fever situation, in order to heat;
    
   The torch when in use, it is recommended that each blocked after 30 minutes for 2-3 minutes, so that the heat; hopes battery waterproof moisture resistance and other.
    
   3: Circuit
    
   Battery can drive straight (is directly to the battery two wire link to the positive and negative connector on the LED) LED's Eve departments, but the current is not the same, there is a large and a small, lightly cause shorten the LED life light failure occurs, so temperance flashlight circuit voltage and current on the birth of the the circuit primary next several:
    
   1, the booster circuit. Mainly for use 1AA, 2AA battery flashlight, because the mercy of a large department operating voltage of the LED at 3.6 AA battery voltage 1.2-1.5, the voltage is not enough, you need the voltage to rise to 3.6 in order to make the LED work properly, it happened this circuit.
    
   2, antihypertensive circuit. Generally used in dual lithium flashlight on, like 2 16340 flashlight, LED operating voltage of 3.6 2 16340 series voltage 7.5V mercy, we need to reduce the output voltage of the circuit to 3.6 for LED power supply .
    
   3 automatic buck circuit. The name suggests is that when the battery voltage is higher than the operating voltage of the LED the hour put output voltage drops below the operating voltage of the LED, LED operating voltage when the battery voltage is less than an hour to the operating voltage of the LED output voltage to rise, this took place constant pressure constant current, which is the ideal circuit.
    
   : Flashlight, reflective Cup
    
   1 Tongshen. Upscale the flashlight a large departments are aluminum alloy shell materials are poor good primary distinction in the overview renew, generally a large department flashlight the extraordinary uses are popular oxidation renew, mainly black, gray. Some flashlight requires the ability to color antiwear Facts not missing, then anodized renew, renew, after OVERVIEW hard not rendered with Daogua traces, but the price is high.
    
   2, light cup. Orange peel-like the common orange surface cup and glossy cup orange surface, cups overview bump refuses to accept, is characterized by a reflective average, the irradiation spot Peugeot; glossy Cup characterized by reflection high efficiency condensing function, but also is the long-range fate, but irradiation spot outer layer aura of people feel is not perfect.
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