BOSCH高压共轨系统课件

博世汽车检测设备(深圳)有限公司共轨柴油喷射技术(CRS-Common Rail System)RBSD/ASA David Sun 孙功文1RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司课程安排 一：柴油售后市场概况; 二：柴油喷射系统介绍; 三：高压共轨系统的结构; 四：高压共轨系统的维修; 五：故障诊断仪的使用 ;2RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油售后市场概况 百万10柴油车产量轿车轻型车<6 t2.0 1.5 1.0 0.5 0.0 99重型车>6 t8中国603071242099 03 07 12 99 03 07 12 99 03 07 12 99 03 07 12 99 03 07 12美国西欧东欧日本世界其它各地3RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油售后市场概况柴油 – 全世界各系统比例100% 12% 80% 34% 60% 9.9% 40% 28% 20% 13% 12% 0% 2001 5% 2006 4.5% 61% 66% VP30 VP44 19% 16% CRS UIS/UPS1.0% 1.0% 13% 4% 20100.6% 0.1%VERP4RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司共轨系统发展概况 压电式-直列-喷油器 改善控制功能 EDC16CP 同轴可变油嘴 压力放大器 先进的闭环功能 EDC17CCRS4CRS3.0, 3.2 1600 - 1800bar (M.2006) 优化电磁阀 喷油器无高 平台 软件控制功能 EDC16C / EDC16C+CRS2.0, 2.2 1450 - 1600 barCRS1, CRS2.1 with plateau 1350 - 1600 bar1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.5

博世汽车检测设备(深圳)有限公司共轨系统发展概况压力 正时 900 km/h 油量 / 体积 40 mm3 全负荷油量 长度25 cm 油量 预喷射量 (火柴头) 头发直径 60 m= 1-2 msec2000 bar1- 2 msec预喷射 1-2 mm3柱塞间隙 1 μm每分钟最多可达 10 000 循环!DS/EL1 1609.1-392 (Q.: DS/L 161 668_en)6RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司共轨系统发展概况高压喷射 降低公差废气后处理 燃烧优化声学测量7RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油喷射系统介绍柴油喷射技术经历了传统的纯机械操纵式喷 油和现代的电控操纵式喷油这两个发展阶段。目 前电控喷油技术已从初期的位置控制型发展到时 间控制型。现代电控喷油技术实现的手段主要有 电控泵喷嘴、电控单体泵以及电控共轨系统。8RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油喷射系统介绍1： 电控分配泵 (DIP-Distributor Injection Pump） 博世分配泵最新的 第4代产品中的VP30 轴向分配泵和VP44径 向分配泵的最大喷射 压力分别可达1550巴 和2000巴。高喷射压 力提升了喷嘴雾化效 果，进而降低了油耗 及排放。9RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油喷射系统介绍2：泵喷嘴系统 (UIS-Unit Injector System)喷油泵和喷油 嘴组成一个单元。 每个发动机气缸都 在其缸盖上装有这 样一个单元，它或 者直接通过摇臂或 者间接的由发动机 凸轮轴通过推杆来 驱动。10RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油喷射系统介绍11RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油喷射系统介绍3：单体泵系统 (UPS-Unit Pump System)一种模块式结构 的高压喷射系统。 其喷油嘴和油泵用 一根较短的喷射油 管连接， 单体泵 系统中每个气缸都 设置一个单柱塞喷 油泵，由凸轮轴驱 动。12RBSD/ASA 22.2.2009 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

博世汽车检测设备(深圳)有限公司柴油喷射系统介绍4：共轨喷射系统 (CRS- Common Rail System)蓄压器喷射系统， ECU通过接收各传感 器的信号，控制喷油 器电磁阀，让柴油以 正确的喷油压力在正 确的喷油时间喷射出 正确的喷油量。13RBSD/ASA 22.2.2009 | © Robert Bosch GmbH …… 此处隐藏：3162字，全部文档内容请下载后查看。喜欢就下载吧 ……