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上海铁路局南京机务段研制的自动计量发油装置,同时可自动计量发放机械油、风泵油、汽缸油、车轴油、再生油和柴油等六种不同的油脂。该装置由控制台、发放泵及管道等构成。控制台表面装有TP801单板微计算机,程序驻留在一块只读存储器中;控制台内部设有受单板机控制的电器执行部分。发放泵由管道连接在油箱与发放口之间,泵体出油处接有可调单向压力阀。它是通过TP801单板机控制电机带动发放泵运行的时间来实现自动计量发油。即将所需发放的油脂密度与电机额定转速下运行时间内油泵的出油量之积,通过计算机记录、累计。在发放量与给定量相等时,当即向发油管路发出停止指令,结束发油。单板机的CTC0通道被设置为计数方式,每0.1秒向CPU发中断申请一次。CPU在响应这个中断后,自检其发油管路,并将该瞬间的发油量记忆下来,进行顺次地叠加记录,同时进行发放量的数值显示。
Shanghai Railway Bureau Nanjing locomotive depot developed automatic measurement of oil device, while the automatic measurement and distribution of mechanical oil, wind pump oil, cylinder oil, axle oil, renewable oil and diesel six different oils. The device consists of a console, dispense pumps and pipes and other components. The surface of the console is equipped with TP801 single-board microcomputer, the program resides in a read-only memory; the console has an electrical execution part under the control of a single-board computer. Dispensing pump connected by pipelines between the tank and release port, the pump out of the oil is connected to the adjustable one-way pressure valve. It is through the TP801 single-board machine control motor driven pump running time to achieve automatic measurement of oil. Will be required to issue the oil density and the motor rated speed of the oil pump out of the running time of the product, through computer records, the cumulative. In the issue of the same amount and the given amount, immediately issued a stop command to the hair oil pipeline, the end of hair oil. The CTC0 channel of the single-chip microcomputer is set as the counting mode, and the CPU sends an interrupt request every 0.1 seconds. CPU in response to this interruption, the self-test pipeline, and the instantaneous amount of memory to memorize, in order to superposition of records, while the release of the numerical display.