Wednesday, June 21, 2017

Circuit Schematic Electronic Engine Speed Governor using 555 IC

Eltronicschool. - This is one of 555 circuit schematic application for building Electronic Engine Speed Governor. In this circuit schematic the left side IC1 555 stage forms a simple tachometer circuit which is configured with a Hall effect sensor attached with the engine's load wheel for sensing its RPM rate.

Beside we will give you circuit schematic of Electronic Engine Speed Governor using 555 IC, we also will give you the component parts and description globally of this circuit schematic, and the last we will give you link to read more about this article from original source.

Circuit Schematic

Component Part
  1. NE555 IC
  2. Transistors
  3. Resistors
  4. Capacitors
  5. Variable Resistor
  6. Diodes
  7. DC Motor
Description

Circuit schematic like in Figure 1 above is Electronic Engine Speed Governor using 555 IC. According Electronic Circuit Projects site describe that the circuit of a diesel engine speed governor or controller can be seen in the above figure using a feedback RPM processor or a tachometer circuit

The left side IC1 555 stage forms a simple tachometer circuit which is configured with a Hall effect sensor attached with the engine's load wheel for sensing its RPM rate.

The RPM is converted into a proportionately varying pulse rate or frequency and is applied at the base of a BJT for toggling the pin#2 of the IC1.

IC1 is basically rigged in the monostable mode which causes its output to generate a proportionately adjusting ON/OFF switching, whose period is set using the shown 1M pot.

The output from IC1 which carries the the RPM content in the form extended timed pulses is adequately smoothed by an integrator stage consisting of a couple of RC components using resistor 1K, 10K and 22uF. 2.2uF capacitors.

This stage converts the monostable's rough RPM data into a reasonably smoothly varying or exponentially varying voltage. Read more here


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