Introduction to the working principle of electromagnetic clutch for automobile air conditioner
Release time:
2021-11-09
The electromagnetic clutch is a speed regulating device that controls the clutch clutch by cutting off the power of the coil. Electromagnetic clutches can be divided into dry single-plate electromagnetic clutches, dry multi-plate electromagnetic clutches, wet multi-plate electromagnetic clutches, magnetic powder clutches, and split electromagnetic clutches according to the structure and differences of the clutches.
The electromagnetic coil is fixed on the compressor shell, the transmission plate is connected with the compressor main shaft, and the pulley is freely installed on the compressor head through the bearing rotation.
After the air conditioner switch is turned on, the current flows through the electromagnetic coil of the electromagnetic clutch, and the electromagnetic coil generates electromagnetic attraction, which combines the transmission plate of the compressor with the pulley, and transmits the torque of the engine to the compressor main shaft to rotate the compressor main shaft.
After the air conditioner switch is turned off, the attraction of the solenoid valve disappears, the spring plate makes the transmission plate and pulley fall off, and the compressor stops.
The working principle of the electromagnetic clutch of automobile air conditioner is as follows:
1. The electromagnetic clutch is a speed regulating device that controls the clutch clutch by cutting off the power of the coil. Electromagnetic clutches can be divided into dry single-plate electromagnetic clutches, dry multi-plate electromagnetic clutches, wet multi-plate electromagnetic clutches, magnetic powder clutches, and split electromagnetic clutches according to the structure and differences of the clutches.
2. The dry single-plate electromagnetic clutch is composed of a bump, a first bearing, a yoke, a coil, an armature, a waterproof cover, and a waterproof cover. When the coil is energized, it generates magnetic force, and the armature spring is deformed by electromagnetic force. After the coil is energized, it generates magnetic force.
3. The magnetic powder brake uses the principle of electromagnetic induction to control the tension of the paper tape. It is mainly composed of an outer stator, a coil, a magnetic powder, an inner stator, a rotor and a rotor shaft. Place an appropriate amount of magnetic powder between the driving rotor and the driven rotor. When the magnetic powder is loose and there is no power, the clutch is in the disengaged state. After the coil is energized, the magnetic powder connects the driving rotor and the driven rotor through electromagnetic force, the driving end and the driven end rotate at the same time, and the clutch is in the engaged state.
4. There is no mechanical connection between the main and driven parts of the electromagnetic clutch of the transmission, so there is no wear, no magnetic powder leakage, and no impact.
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