Engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (gasoline engines, etc.), external combustion engines (Stirling engines, steam engines, etc.), electric motors, etc.
The engine (reciprocating piston type) consists of the engine body, crankshaft connecting rod mechanism, valve train, lubrication system, cooling system, fuel supply system, ignition system (diesel engine does not have an ignition system) and starting device.
1. Airframe: including cylinder head, cylinder block, cylinder gasket, crankcase, oil pan, etc. The airframe is the installation base for all engine mechanisms, systems and components.
2. Crankshaft connecting rod mechanism: including piston, piston ring, piston, connecting rod, crankshaft, bearing, flywheel, etc. It is a mechanism that converts thermal energy into mechanical energy, and converts the reciprocating motion of the piston into the rotational motion of the crankshaft to output power.
3. Valve distribution mechanism: including intake valve, exhaust valve, rocker arm, push rod, tappet, camshaft, crankshaft gear and camshaft timing gear, etc.
4. Lubrication system: including oil pump, filter, pressure limiting valve, coarse oil filter, fine oil filter, oil passage, oil pressure gauge, oil pipe and oil cooling system, etc.
5. Cooling system: including water pump, fan, radiator, water distribution pipe, water jacket of cylinder block and cover, thermostat, blinds, water temperature meter, drain valve, etc.
6. Supply system: including gasoline tank, gasoline pump, gasoline filter, carburetor, air filter, intake pipe, gasoline meter, exhaust pipe, exhaust muffler, etc.
7. Ignition system: including battery, generator, breaker, distributor, ignition coil, ignition switch, ammeter, high-voltage wire, spark plug, etc.
8 Starting device: including starter and its ancillary devices.
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Just use an electric fan to modify it. Use a household electric fan motor with a power of about 50W, and match it with an industrial electric fan blade (power of about 2~300W) to make a Wind turbine, the effect is good,
The bracket needs to be made by oneself, it can swing, and then the tail fin for navigation can be made, and it is all together. The lead cable should be longer, and it will not pull even if it is wound around the bracket more than 10 times. Just disconnect it, but you have to unwind the entangled wires every day, but you can save the electric slip ring, the technology is relatively simple
Fix the capacitor at the output end to help build voltage, and install a low-power overcurrent strap Switch or fuse to prevent the generator from overloading
Such a generator also has disadvantages, that is, the frequency changes with the output power, the voltage fluctuation is also relatively large, and it is easy to burn the bulb. It can be used for rectification and charging, and the lamp will If you want to change it to DC, the price will be much more expensive.
Grid-connected operation can solve such problems, but it will also bring new problems. When the wind power is insufficient, the wind turbine will turn into an electric fan and it is easy to burn the motor. It is best to cut off the starting capacitor or It is also possible to change the direction and install the fan blades in another direction, but low winds will still consumePartial power. Installing a power relay can solve the problem of power backflow, but the system price will increase and the gain outweighs the loss.
Note that the generator made in this way does not have overspeed protection and will be more dangerous on windy days.