照明控制柜工作原理BUSELECTRICALINSTALL

照明控制柜工作原理主讲人张嘉ZHENGZHOURAILWAYVOCATIONAL&TECHNICALCOLLEGE客车电气装置/BUSELECTRICALINSTALLATIONSpeaker主讲人Zhangjia张嘉回顾25G、25K型全列空调客车中的电源控制柜，其主要作用是对来自发电车的一路和二路供电进行选择，并分配输出交流电供空调控制柜、应急电源箱、照明控制箱、电热、电茶炉、排风扇、电插座等用电负载使用。具有过载、短路、机械互锁保护以及电流和电压指示功能。25Gand25Kall-trainair-conditionedpassengercars,itsmainfunctionistoselecttheoneandtwopowersuppliesfromthegeneratorcar,anddistributetheoutputACpowertotheairconditioningcontrolcabinet,emergencypowerbox,lightingcontrolbox,electricheating,electricteastove,exhaustfan,electricalsocketandotherelectricalloads.Ithasoverload,shortcircuit,mechanicalinterlockprotectionandcurrentandvoltageindicationfunction.照明控制柜长春客车厂生产的YZ25K型客车，照明控制柜组成与原理如图所示。ThecompositionandprincipleofthelightingcontrolcabinetofYZ25KpassengercarproducedbyChangchunBusFactoryareshowninthefigure.其主要电气元件的型号和规格见表。Themodelsandspecificationsofthemainelectricalcomponentsareshowninthetable.照明控制箱原理图照明控制柜照明控制箱主要电气元件型号和规格Themodelsandspecificationsofthemainelectricalcomponents.顺号代号名称型号数量附注1KM1，KM2，KM3交流接触器LC1-LC123

2Q1自动空气开关C45N-3P（16A）1

3Q2自动空气开关C45N-C-1P（3A）1

4BT温水器温度调节器

1

5FU1—FU9保险器RT18系列（3A）10

6B温度传感器

1与BT配套7KA照明控制开关LW12系列1

8HL1指示灯AD111绿色9SVXS水位检测装置

1

10Q8空气开关C45N3P（3A）1梅兰日兰11KM6交流接触器3TF50AC220V1

12ZWY轴温警报器

1

13RI1—RI9感温头

9

14CZ单相插座

1

15RH4温水电热元件共900W3

16DHC电话插座

1

17XSP1一位端信息显示屏

1

18XSP2二位端信息显示屏

1

19CHTQ车厢号调节器

1

20K1纽子开关KN3-31

21SY1液位继电器JYF-011

22FU11熔断器熔断体1ART18型1

23FU10熔断器熔断体10ART18型1照明控制柜操作与控制原理如下Theoperationandcontrolprincipleisasfollows交流AC380V/220V照明温水箱用电负载电路直流DC48V轴报水位检测显示屏等用电负载电路两大部分。照明控制箱电路主要包括Lightingcontrolboxcircuitismainlycomposesof:IncludingACAC380V/220Vlighting,warmwatertankelectricalloadcircuitandDCDC48Vshaftreport,waterleveldetection,displayandotherelectricalloadcircuit.1、照明电路Lightingcircuit

照明控制柜闭合空气开关Q1，三相干线有电，电源指示灯H1亮。照明转换开关KA置断开位，照明灯无电熄灭ClosetheairswitchQ1,thethree-phasemainlinehaspower,andthepowerindicatorH1ison.ThelightingswitchKAisintheoffposition,andthelampisoutwithoutpower.KA置半灯1位时，交流接触器KM1及应急电路接通，通过台、走廊、乘务员室、配电室、洗脸间、厕所等处灯亮，客室8支40W荧光灯亮，本工作位适于深夜行车使用WhentheKAisequippedwithahalflight,theACcontactorKM1andtheemergencycircuitareconnected,andthelightsareonatthestation,corridor,crewroom,powerdistributionroom,washroom,toilet,etc.,andthe8branches40Wfluorescentlightsareoninthepassengerroom.Thisworkingpositionissuitableforlatenightdriving.KA置半灯2位时，交流接触器KM1、KM2及应急电路接通，通过台、走廊、乘务员室、配电室、洗脸室、厕所等处灯亮，客室14支40W荧光灯亮WhentheKAhalflampisplacedin2positions,theACcontactorKM1,KM2andtheemergencycircuitareconnected,thelightisonatthestation,corridor,crewroom,powerdistributionroom,washingroom,toilet,etc.,andthe40Wfluorescentlightisonat14branchesinthepassengerroom.照明控制柜KA置全灯位时，KM1、KM2、KM3及应急电路都接通，全部照明灯亮，本位适于夜间正常照明使用。WhenKAisinfulllightposition,KM1,KM2,KM3andemergencycircuitareconnected,alllightingison,andthestandardissuitablefornormallightinguseatnight.当正常照明电源有故障间断供电，且非白天运行(这时照明转换开关KA不在断开位)时，应急照明灯保持继续点亮，以保持客室最低照明。Whenthenormallightingpowersupplyhasafaultintermittentpowersupply,andnon-daytimeoperation,thenthelightingswitchKAisnotdisconnected,theemergencylightsremainlittomaintaintheminimumlightinginthepassengerroom.1、照明电路Lightingcircuit

照明控制柜2、温水箱电路Warmwatertankcircuit主电路由空气开关Q8、交流接触器KM6主触点和温水电热元件RH4组成ThemaincircuitiscomposedofairswitchQ8,ACcontactorKM6maincontactandwarmwaterheatingelementRH4.控制电路由纽子开关K1、液位继电器SY1、温水箱温度调节器BT和接触器KM6(线圈)组成。

ThecontrolcircuitiscomposedofasubswitchK1,aliquidlevelrelaySY1,atemperatureregulatorBTofawarmwatertankandacontactorKM6(coil).照明控制柜当温水箱内有水时，水位开关SY1闭合。在水温低于设定值时，温控器BT触头闭合。Whenthereiswaterinthewarmwatertank,thewaterlevelswitchSY1closes.Whenthewatertemperatureislowerthanthesetvalue,thethermostatBTcontactisclosed.此时，闭合Q8、K1，KM6线圈得电，其常开触头闭合，电热元件RH4得电工作，温水箱开始加热。调节温控器BT可设置水温。Atthistime,theQ8,K1,KM6coilisclosed,thenormallyopencontactisclosed,theelectricheatingelementRH4ispowered,andthewarmwatertankbeginstoheat.AdjustthethermostatBTtosetthewatertemperature.2、温水箱电路Warmwatertankcircuit照明控制柜3、直流负载电路DCloadcircuit由应急电源箱供电。闭合空气开关Q2，显示屏得电工作，其它直流负载均直接连在直流主电路上。DCloadcircuitispoweredbytheemergencypowerbox.ClosetheairswitchQ2,thedisplayscreencanwork,andotherDCloadsaredirect