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

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Development trends of automotive motor armatures and the role of brushless motor stators and rotors

Release Time:

2023-09-08

Development Trends of Automotive Motor Armatures and the Role of Brushless Motor Stators and Rotors

The automotive industry has been continuously pursuing more efficient and environmentally friendly power systems. In this ever-changing environment, the development trends of automotive motor armatures have attracted widespread attention. Brushless motor stators and rotors, as an important technological innovation, are gradually playing an increasingly important role in automotive motors.

Brushless motor stators and rotors represent a new type of motor technology compared to traditional brushed motors. Compared with brushed motors, brushless motor stators and rotors have higher efficiency, lower noise, and longer service life. This makes them an important choice in the automotive industry.

Brushless motor stators and rotors mainly achieve power transmission through the rotation of the magnetic field. Unlike traditional brushed motors, the armature in brushless motor stators and rotors does not need to contact the stator through brushes, thus reducing energy loss and friction. This not only improves the efficiency of the motor but also reduces maintenance costs.

The role of brushless motor stators and rotors in automotive motors is mainly reflected in the following aspects:

1. Improve energy utilization efficiency: Brushless motor stators and rotors have higher energy conversion efficiency and can better convert electrical energy into mechanical energy. This makes the vehicle's power system more efficient and reduces energy waste.

2. Reduce noise and vibration: Since brushless motor stators and rotors do not require brushes to contact the stator, friction and noise generation are reduced. This makes the vehicle run more smoothly and quietly, providing a better riding experience for passengers.

3. Increase motor life: Brushless motor stators and rotors use more advanced technology, resulting in a longer motor life. This reduces motor replacement and maintenance costs, improving vehicle reliability and economy.

4. Adapt to the development of new energy: With the rapid development of new energy vehicles, brushless motor stators and rotors, as an efficient and reliable motor technology, are gradually being widely used in electric vehicles. Its high energy conversion efficiency and low energy loss make electric vehicles have a longer cruising range and stronger power.

In summary, brushless motor stators and rotors, as an important technological innovation in automotive motors, are gradually changing the development trend of the automotive industry. Their high efficiency, low noise, and long lifespan make them an important choice for future automotive power systems.










Brushless motor stator and rotor

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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