G3304B and G3306B Engines Caterpillar


Electronic Control System Components

Usage:

G3304B A4E

G3304B 和 G3306B 发动机




图 1g01897194

部件的结构图

燃油执行器




图 2g01914692

燃油执行器的位置(右侧顶部发动机视图)

(1) 燃油执行器

燃油执行器 (1) 是电力控制并为电力促动。 燃油执行器通过 CAN 数据链路与 ECM 通信。

油门执行器




图 3g01917653

油门执行器的位置(左侧顶部发动机视图)

(2) 油门执行器

油门执行器 (2) 是电力控制并为电力促动。 ECM 经由 CAN 数据链路向执行器发布命令。

发动机传感器

传感器向 ECM 提供信息。 信息用于监控发动机运转。 这些信息使得 ECM 能够在作业条件较宽的范围内,尽可能有效地控制发动机。

传感器为 ECM 提供了用于确定发动机警报和发动机停机的状态的信号。 这些状况可能用于响应异常的操作或操作员发出的命令。




图 4g01936945

发动机部件的位置(左侧发动机视图)

(3) 发动机冷却液温度传感器

(4) 进气歧管空气温度传感器

(5) 进气歧管压力传感器

(6) 发动机机油温度传感器




图 5g01937836

发动机部件的位置(右侧发动机视图)

(7) 点火变压器

(8) 电子控制模块(ECM)

(9) 安装在发动机上的维修工具接头

(10) 发动机转速 / 正时传感器

(11) 交流发动机

(12) 催化器进口的氧传感器

(13) 显示面板

(14) 变压器

(15) 起动马达

(16) 机油压力传感器

(17) 互联线束的接头

(18) 催化转化器处的传感器接头

(19) 断路器的面板

催化转化器 / 消声器的传感器




图 6g01938513

催化转化器 / 消声器的传感器的位置

(20) 催化转化器 / 消声器进口处的温度传感器

(21) 催化转化器 / 消声器出口处的温度传感器

(22) 催化器出口的氧传感器

断路器面板




图 7g01938594

断路器面板的断路器位置

(23) ECM 的断路器(15 安培)

(24) 辅助电路的断路器(20 安培)

(25) 起动系统的断路器(40 安培)

(26) 交流发电机的断路器(40 安培)

Caterpillar Information System:

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