汽车电子--点火线圈变压器结构原理

product training ignition transformer
Oct. 2007

product training ignition transformer
Session 1: Basic function of gasoline four stroke engine and the function of ignition system. Objective target: To recognize what an modern ignition system do in the engine.
Oct. 2007

Position and function of and engine in a car
First of all the engine of a car is responsible to produce the force and the power to move the car. They are also responsible to charge the battery, to power the air conditioner, to power the steering booster and so on.
cardan shaft engine
gearbox
axis
Oct. 2007

History of 4 stroke gasoline engine
first 4 stoke engine
car engine
modern racing engine
approx. 1867
1967
1997
Oct. 2007

Future of 4 stroke gasoline engine
Engine BMW S65
Cylinders/valves Capacity in ccm Stroke/bore in mm Max. output in kW at 1/min Max. torque in Nm at 1/min 8/4 3.999 75.2/92.0 309 (420)/8,300 400/3,900
Ignition coil with integrated ion current sensing made by pulse. This coil is used in the new S65 engine of BMW start of production 2007
Oct. 2007

elementary function of an 4 stroke gasoline engine
Step 1: • Intake valve opens • Piston moves down • A mixture of air and gasoline gets into the cylinder because of the low pressure
Step 2: • Intake valve closes • Piston moves up • The mixture of air and gasoline is compressed
Step 3: •A high voltage is applied to the spark plug
•Step 4: •The exhaust valve opens •The piston moves up
•A sparkover between •Because of the rising the electrodes happens pressure the exhaust •The sparkover is very gas is moved out of hot and ignites the the cylinder fuel-air mixture •Because of the explosion the piston moves down
Oct. 2007

elementary function of an 4 stroke gasoline engine
Step 1: • • • Intake valve opens Piston moves down A mixture of air and gasoline gets into the cylinder because of the low pressure
Oct. 2007

elementary function of an 4 stroke gasoline engine
Step 2: • • • Intake valve closes Piston moves up The mixture of air and gasoline is compressed
Oct. 2007

elementary function of an 4 stroke gasoline engine
Step 3: • • • A high voltage is applied to the spark plug A sparkover between the electrodes happens The sparkover is very hot and ignites the fuel-air mixture Because of the explosion the piston moves down
•
Oct. 2007

elementary function of an 4 stroke gasoline engine
Step 4: • • • The exhaust valve opens The piston moves up Because of the rising pressure the exhaust gas is moved out of the cylinder
Oct. 2007