Mechanical Writings

The principle of positive and negative turn starting switch, solenoid switch power, the current path is: battery positive terminal 1 → → → ammeter fuse → → solenoid starter switch terminal 2 terminal 3 → → attracting coil magnetic field and electric starter coil axis to keep the power switch Ground coil → → → Battery negative power switch at this time of the adoption of the coil to attract and maintain the coil current in the same direction, resulting in the same direction, magnetic, magnetic coils in the two together, so that dynamic core to overcome the spring power shifted to the right, led the drive gear into the flywheel fork at the same time, moving core will move to the terminal contacts the top end of the static contact 2,3. When the drive gear meshing with the flywheel, the moving contact to terminal 2,3 connected to the end of the fixed contact, the starter through into the starting current, starting torque of the engine to produce normal. Moving contact connected to the end of the terminal 2,3-static contacts, to attract the coil is shorted, activities to keep the coil by the magnetic core to maintain the pull position. After starting the engine, disconnect the starter switch in the moment, still in contact with static and dynamic contact contact position, this time solenoid coil current: battery positive terminal → 2 → 1 → moving contact → terminal to keep attracting the coil → Ground coil → → Battery negative. At this point, to attract and maintain the coil current through the coil in the opposite, attracting and maintaining the coil produced a magnetic coil in the opposite direction, the two magnetic coils cancel each other, core activities under the action of the spring force reduction, the drive gear out; with this Meanwhile, the moving contact can return to places, cut off the starter circuit, the starter will stop working.

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2008-9-16 20:51 Reply
Mirage Xiaoming Send PM Add to friends
Xiao Ming is offline UID294079 Mirage 7 Digest Posts 0 Credits 13 contribution index 2 read permissions professional auto parts sales manager for 4 Sex Male from Anhui Maanshan up time of 3 hours of time online last login 7-8-2008 4-8-2008
Automotive technology it - nunnery
Contribution index 2 points 13 professional auto parts sales manager from the 4th floor, Anhui Maanshan Posted 6-8-2008 21:59 | What is this look at the answer of? ? Whether cut off the positive or negative,, _1 v \ 1 O, f 'W;]
Tools in use are not short-circuit,) z0 Q (T (w% E2 z / n5 T
If you cut off the cathode, while the positive terminal on the need to protect, not be allowed to Ground, Line must be put away. This is more trouble.
: A 'E (N, t7 N7 p) r6 V If you cut off the negative, the negative of the line do not need very troublesome to protect, even if the ground connection is also fine, relatively simple and fast, it's a relatively safe
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