Currently working on a PC-Controlled Fuel Injector Flow Bench.
- Static, Step, Simultaneous, Alternating and Dynamic test modes with timing
- USB Interface (RS232 Conversion)
- Temperature, Voltage and AMP monitoring
- Adjustable system pressure of 0-6 Bar
- Windows operator software written in C#
- AVR8 based controller board (@8 MHz) with 4 separate injector drivers
Soldered the components on a prototype board
The wiring harness is far from optimal but will do the trick until i get some better cables.
Validating an early version of the PC and embedded controller software:
(The timing was not 100% calibrated and microcontroller running @ 1MHz)
Later versions of the controller board runs at @ 8MHz for better precision.
Playing around (This is called validation right?)
Mechanical construction
This is pretty much what got me the initial ideas for the machine
This regulator will allow an adjustable system pressure of 0-6 bar
Made this stand to secure injectors to the fuel rail:
Fuel tank (With in-tank fuel pump and filter)
Took a while to (TIG) weld the tank
Luckily the tank turned out to seal well when i performed a pressure test
The machine is going to turn out something like this
Fuel tank and fuel pump armature completed.
Tried out the new measuring cylinders
Fuel pump and filter assembly
Added the AN-fittings
First test runs
Power and fuel pump control.
Displays temperature, voltage and current.
Besides the controller board there’s a fuel pump relay, current monitor power source , polarity protection diodes and fuses.
To be continued…
