汽车起动系统课件

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,婧婧,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,婧婧,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020-02-28,#,汽车起动系统,Evaluation Warning:The document was created with Spire.Presentation for.NET,学 习,目,目,标,标,起动系统的组成及作用,01,起动机的组成、工作原理,02,起动机的拆装及测量,03,Evaluation Warning:The document was created with Spire.Presentation for.NET,01,起动系,统,统的组,成,成,Evaluation Warning:The document was created with Spire.Presentation for.NET,起动系,统,统组成,主要由,蓄电池,、,、,点火开,关,关、,起动继,电,电器、,起,起动机,等组成,Evaluation Warning:The document was created with Spire.Presentation for.NET,起动系,统,统的作,用,用,通过起,动,动机将,蓄,蓄电池,的,的,电能转,换,换为机,械,械能,，起动,发,发动机,运,运转,Evaluation Warning:The document was created with Spire.Presentation for.NET,02,起动机组成、,工,工作原,理,理,Evaluation Warning:The document was created with Spire.Presentation for.NET,起动机,分,分类,根据起,动,动机的,传,传动机,构,构和控,制,制装置,的,的不同,，,，,起动机,可,可以分,为,为以下,四,四种：,起动机,种类,惯性啮,合,合式起,动,动机,强制啮,合,合式起,动,动机,电磁啮,合,合式起,动,动机,强制啮,合,合式,起动机,直接操,纵,纵式,电磁操,纵,纵式,除此之,外,外还有减速起,动,动机、永磁起,动,动机。,Evaluation Warning:The document was created with Spire.Presentation for.NET,起动机,的,的组成,起动机,一,一般由,直流电,动,动机,传动机,构,构,电磁操,纵,纵机构,组成,Evaluation Warning:The document was created with Spire.Presentation for.NET,起动机,的,的组成,直流电,动,动机：,产生电,磁,磁转矩,传动机,构,构：,起动时,，,，使小,齿,齿轮与,飞,飞轮齿,圈,圈啮合,，,，将起,动,动机转,矩,矩传给,发,发动机,飞,飞轮；,起动后,，,，使起,动,动机脱,开,开飞轮,齿,齿圈。,电磁操,纵,纵机构,控制起,动,动机的,运,运转和,传,传动机,构,构的啮,合,合与分,离,离。,Evaluation Warning:The document was created with Spire.Presentation for.NET,一、直,流,流,电,电 动,机,机,Evaluation Warning:The document was created with Spire.Presentation for.NET,直流电,动,动机结,构,构和工,作,作原理,串励直,流,流电动,机,机由转子、定子、前后端,盖,盖、电刷与电刷架等组成,Evaluation Warning:The document was created with Spire.Presentation for.NET,直流电,动,动机结,构,构和工,作,作原理,1、作用产生转,矩,矩,2、要求零件的,机,机械强,度,度高，,电,电路电,阻,阻小。,3、组成,：,：,电枢：产生电,磁,磁转矩,磁极：产生磁,场,场,换向器,：,：改变引,入,入电流,方,方向,电刷组,件,件：引入电,流,流,壳体：安装磁,极,极，固,定,定机件,Evaluation Warning:The document was created with Spire.Presentation for.NET,（1）电枢（,转,转子）,与,与换向,器,器,电枢,由电枢轴、电枢铁,心,心和电枢绕,组,组等组成,Evaluation Warning:The document was created with Spire.Presentation for.NET,（2）磁极,（,（定子,）,）,由外壳,、,、磁极,、,、磁场,线,线圈等,部,部分组,成,成。外,壳,壳内壁,装,装有四,个,个磁极,（,（有些,是,是二个,磁,磁极）,，,，在其,上,上面装,有,有磁场,线,线圈，,相,相对的,是,是同极,，,，相邻,的,的是异,极,极,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,（3）换向器,换向器,由,由铜片,和,和云母,片,片相间,叠,叠压而,成,成，压,装,装在电,枢,枢轴上,。,。,Evaluation Warning:The document was created with Spire.Presentation for.NET,（4）电刷组,件,件,电刷与,电,电刷架,的,的作用,是,是将电,流,流引入,电,电动机,，,，使电,枢,枢产生,定,定向转,动,动力矩,。,。,电刷一,般,般用铜,粉,粉（80%,-,-90,%,%）和石,墨,墨粉压,制,制而成,，,，以有,利,利于减,小,小电阻,及,及耐磨,性,性。,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,（5）壳体,（,（前、,后,后端盖,）,）,端盖分,为,为前、,后,后两个,后端盖,一,一般用,钢,钢板压,制,制而成,，,，其上,装,装有4个电刷,架,架,前端盖,用,用铸铁,浇,浇铸而,成,成。它,们,们分别,装,装在机,壳,壳的两,端,端，靠,两,两个长,螺,螺栓与,起,起动机,壳,壳紧固,在,在一起,。,。,Evaluation Warning:The document was created with Spire.Presentation for.NET,二、传,动,动,机,机 构,Evaluation Warning:The document was created with Spire.Presentation for.NET,传动机,构,构,（啮合机,构,构或啮,合,合器）,作用,（1）起动,时,时将电,枢,枢的电,磁,磁转矩,传,传递给,发,发动机,飞,飞轮；,（2）起动,后,后，发,动,动机带,动,动起动,机,机时，,啮,啮合机,构,构立即,打,打滑，,即,即具有,单,单向传,递,递动力,的,的作用,类型,滚柱式,、,、摩擦,片,片式、,扭,扭簧式,、,、棘轮,式,式,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,三、控,制,制,装,装 置,Evaluation Warning:The document was created with Spire.Presentation for.NET,控制装,置,置,（电磁开,关,关）,发动机,起,起动时,，,，使起,动,动机的,驱,驱动齿,轮,轮和发,动,动机飞,轮,轮齿环,啮,啮合，,将,将电动,机,机的转,矩,矩传给,飞,飞轮,发动机,起,起动后,，,，自动,切,切断动,力,力传递,，,，防止,电,电动机,被,被发动,机,机带动,，,，超速,旋,旋转而,破,破坏。,起动机,驱,驱动齿,轮,轮与曲,轴,轴飞轮,齿,齿环之,间,间的传,动,动比很,大,大，在,传,传动机,构,构中设,置,置了单,向,向离合,器,器，起,动,动时传,递,递动力,。,。,Evaluation Warning:The document was created with Spire.Presentation for.NET,端子50,启动接,柱,柱,（保持,线,线圈）,端子,C,附加电,阻,阻的短,路,路接柱,（吸引,线,线圈）,端子30,常电接,柱,柱,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,Evaluation Warning:The document was created with Spire.Presentation for.NET,断开点,火,火开关,Evaluation Warning: