Spark trainer for welders

A spark trainer for welders, comprising:

• a welding electrode simulator;
• an electric spark generator simulating the welding arc and having an output;
• said output connected to said welding electrode simulator;
• a training process control unit having an input, a first output, and a second output;
• said first output connected to said welding electrode simulator;
• a welding object simulation unit, a spark discharge simulating the welding arc being produced between said welding object simulation unit and the tip of said welding electrode simulator;
• said welding object simulation unit comprising:
• a simulated welding object having a surface along which the simulated welding process is performed;
• a welding field unit made as set of metal spokes arranged parallel to said surface of said simulated welding object and rigidly secured thereon perpendicular to the welding direction, the number of said metal spokes being selected in accordance with the size of said surface of said simulated welding object and the desired accuracy of monitoring of the position of the tip of said welding electrode simulator;
• a unit for monitoring the position of the tip of said welding electrode simulator with respect to said simulated welding object, comprising:
• a welding speed monitoring unit having an output;
• a spark gap current length monitoring unit having a first output and a second output;
• a circuit generating a signal representing the simulated welding process, having an input and an output;
• said input of said signal generating circuit, connected to the second output of said spark gap current length monitoring unit;
• said output of said signal generating circuit, connected to said input of said control unit;
• a unit for monitoring the angle between said welding electrode simulator and the perpendicular to said surface of said simulated welding object, having an output;
• a circuit generating a signal representing the time during which said welding electrode simulator is welded on to said surface of said simulated welding object, having an input connected to said second output of said unit for monitoring the current length of the spark gap, and an output connected to said welding electrode simulator;
• said training process control unit comprising:
• a pulse oscillator having an output;
• a channel of the spark gap length, having a first input connected to said output of said pulse oscillator, and a second input connected to said first output of said spark gap current length monitoring unit;
• a channel of the tilt angle of said welding electrode simulator, having a first input connected to said output of said pulse oscillator, and a second input connected to said output of said electrode tilt angle monitoring unit;
• a channel of the temperature conditions of the simulated welding process, having a first input connected to said output of said pulse oscilator, and a second input;
• a channel of the speed of simulated welding process, having a first input connected to said output of said pulse oscillator, and a second input connected to said output of said welding speed monitoring unit;
• a channel of the working time of the simulated welding process, having an input connected to said output of said pulse oscillator;
• a circuit for controlling the welding electrode burn-off simulation drive, having an input connected to said output of said circuit generating a signal representing the simulated welding process, and an output connected to said welding electrode simulator;
• an audio generator of alarm signals and audio accompaniment, having an output connected to said input of said spark gap current length monitoring unit, to said input of said electrode angle monitoring unit, and to said input of said welding speed monitoring unit;
• a helmet equipped with earphones and connected to said output of said audio generator in order to supply to the welder audio signals indicative of the position of the tip of said welding electrode simulator with respect to said simulated welding object.