Specializing in the design and manufacture of automotive motor armatures and stators.

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Detailed explanation of the main function of an automotive armature?

Release Time:

2022-11-01

   Automotive Armature The manufacturer stated, The armature is the part of the motor that contains the coil, and the coil's relative movement to the magnetic field. In a generator, an induced electromotive force is generated in the rotating coil under force, causing it to generate electricity. In a motor, the energized coil rotates in the magnetic field under the action of Ampere's force, causing it to rotate in the magnetic field.

  A part of an alternating current generator or related equipment can be represented in either mechanical or electrical terms. Although distinctly separate, these two sets of terminology are often used interchangeably or include a combination of a mechanical term and an electrical term. This can cause confusion when using composite machines such as brushless AC generators, or when conversing between personnel accustomed to using differently configured machines.

  In most generators, the field magnet is rotating and is part of the rotor, while the armature is stationary and is part of the stator. Motors and generators can be constructed with a stationary armature and rotating magnetic field or a rotating armature and stationary magnetic field. The pole shoes of permanent magnets or electromagnets, and the moving iron part of a solenoid (especially if the latter is used as a switch or relay) can also be called an armature.

  The automotive armature's circuit equipment is simple, low-cost, and easy to operate. The disadvantages are high power loss, low efficiency, and reduced motor output. It plays a key and crucial role in the process of realizing the mutual conversion of mechanical energy and electrical energy. A square-wave self-controlled permanent magnet synchronous motor is used, with a Hall sensor replacing the carbon brush commutator, and the rotor permanent magnet material is neodymium iron boron. To our understanding, its performance has significant advantages compared to general traditional DC motors. Automotive armatures have advantages such as high efficiency, low energy consumption, low noise, long life, high reliability, servo control, stepless frequency conversion speed regulation, etc. Moreover, the brushes are removed, and the direct change is that the brushed motor will not produce sparks during operation, greatly reducing the interference of sparks on radio-controlled radio equipment. In short, an automotive armature generally refers to the part of the motor that requires an external power supply. The armature of a DC motor is the rotor, and the armature of an AC motor is the stator.

  Automotive armatures have no brushes, greatly reducing friction during operation, resulting in smooth operation and much lower noise. This advantage is a huge support for model stability. The advantages of automotive armatures also lie in the fact that wear mainly occurs on the bearings. From a mechanical point of view, brushless motors are almost maintenance-free. Only some dust removal maintenance is needed if necessary. From a mechanical point of view, automotive armatures are almost maintenance-free motors, only requiring some dust prevention maintenance when necessary. Of course, when you use them, you can compare them up and down, and you will know the advantages compared to brushed motors, but nothing is absolute. Brushed motors have excellent low-speed torque performance and high torque characteristics. Automotive armatures are irreplaceable, but in terms of ease of use, with the reduction in the cost of automotive armatures and the development and market competition of brushless technology at home and abroad, its power system is in a stage of rapid development and popularization, which has also greatly promoted the development of model sports.


Automotive armature

01-03

2023

What are the structural hotspots of a starter armature?

The starter armature moves the entire armature through the magnetic force of the magnetic poles, causing the drive gear to mesh with the flywheel gear ring. The armature of the starter is offset from the magnetic pole by a certain distance under the action of the reset spring, and the commutator is relatively long. The starter housing is equipped with an electromagnetic switch. Its magnetizing coil is controlled by the starter switch S. The movable contact is the contact bridge. The upper end of the contact bridge is longer and the lower end is shorter, so the starter circuit can be connected in two stages. The starter has three magnetic field windings. Among them, the main magnetic field winding with fewer turns is made of flat copper bars, and the other two fine wire windings are the series auxiliary magnetic field winding and the parallel auxiliary magnetic field winding (also called the holding coil). The starter one-way clutch generally uses a friction plate clutch. The working process of the starter armature is divided into two stages. The series auxiliary excitation winding mainly works in the first stage, and in the second stage it is almost short-circuited due to being in parallel with the main excitation winding; the parallel auxiliary excitation winding works in both stages, which not only increases the magnetic force attracting the armature, but also limits the no-load speed. (1) Engagement When the starter switch S is turned on, the electromagnet generates suction to attract the contact bridge. However, because the pawl rests against the blank, the contact bridge can only close at the upper end, and the series and parallel auxiliary magnetic field winding circuits are turned on. The current circuit is:

12-21

2022

Starter armature: What is an armature?

The starter armature manufacturer states that motors play a key and crucial role in the process of achieving mutual conversion between mechanical energy and electrical energy. For generators, it is the component that generates electromotive force, such as the rotor in a DC generator and the stator in an AC generator; for motors, it is a component that generates electromagnetic force, such as the rotor in a DC motor. The starter armature manufacturer states that the armature is the relative motion of the coil relative to the magnetic field of the coil-carrying component in the motor. In a generator, an induced electromotive force is generated in a forced rotating coil to generate electricity. In a motor, the energized coil is subjected to Ampere force in the magnetic field, causing it to rotate in the magnetic field. In the mid-19th century, the term "armature" was early used for inductors, i.e., holders of magnets. Part of an alternator or related equipment can be represented by any mechanical or electrical aspect. Although these two sets of terms are clearly separated, they are often used interchangeably, or a combination of mechanical and electrical terms is included. This can cause confusion when using composite motors such as brushless alternators, or when talking to people accustomed to using different configurations of motors. The starter armature manufacturer states that in most generators, the field magnet is rotating and is part of the rotor, while the armature is stationary.

12-12

2022

Starter armature: armature knowledge points

The armature manufacturer states that the armature plays a key and crucial role in the process of converting mechanical energy and electrical energy into each other. For generators, it is the component that generates electromotive force, such as the rotor in a DC generator and the stator in an AC generator; for motors, it is a component that generates electromagnetic force, such as the rotor in a DC motor. The armature is the part of a motor that has coils, and the coils move relative to the magnetic field. In a generator, an induced electromotive force is generated in the forced rotating coil to generate electricity. In a motor, the energized coil is subjected to the Ampere force in the magnetic field, causing it to rotate in the magnetic field. The armature manufacturer states that in most generators, the field magnet is rotating and is part of the rotor, while the armature is stationary and is part of the stator. Motors and generators can be composed of a stationary armature and a rotating magnetic field or a rotating armature and a stationary magnetic field. The pole shoes and moving iron parts of permanent magnets or electromagnets and solenoids (especially when the latter are used as switches or relays) can also be called armatures. The armature manufacturer states that armatures are divided into two categories: DC armature windings and AC armature windings. They are used in DC motors and AC motors respectively. Including the armature core and the armature winding, the armature winding is the circuit part of the DC motor,

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