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

08-17

2022

How to identify automotive armature windings?

The armature winding of an automobile is the heart of the motor. Different motors, manufacturers, and processing technologies correspond to different winding styles. Different winding styles are chosen to achieve specific characteristics, such as simple structure, easy manufacturing and maintenance, and safe and reliable operation. The automobile armature winding, like the AC motor winding, has a significant potential difference between the edges of each coil for a specific number of conductors. It should save non-ferrous metals and insulating materials as much as possible, but it has unique characteristics. Through the connector between coils, the connection relationship must ensure good conversion. I. Characteristics and coil pitch of automobile armature winding The characteristics of automobile armature winding are usually represented by the number of slots, the number of coils, the number of commutator segments, and various coil pitches. Each coil has two coil sides, and each commutator segment connects coil sides and coil sides, so the number of coils S must be equal to the number of commutator segments K (for example, S=K). 1. One pitch y1 The distance between the two coil sides of each coil intersecting the armature surface is called the back coil pitch or one coil pitch of the winding, represented by the number of virtual slots intersected. 2. Two pitches y2 In two coils connected by the same translation layer section, the distance between the bottom coil side of one coil and the top coil side of the other coil from the armature surface is called the front coil pitch or two coil pitches,

08-11

2022

Induced electromotive force and current of automotive armature windings

The basic understanding is that when a current flows through the armature winding in a magnetic field, a force acts on the winding. A more advanced understanding is that when a current flows through the winding in a magnetic field, another magnetic field is generated, and the interaction between the two magnetic fields produces torque. From an electron's perspective, the current experiences a force in the magnetic field. The latter understanding is that two magnetic fields interact with each other. Generally understood as a magnetic field that generates induced electromotive force, and the current in the winding generates another magnetic field, and the interaction between the two magnetic fields generates torque. However, if the two are combined into one magnetic field, how this magnetic field generates torque needs to understand the tensor law. The magnetic force that generates the armature induced electromotive force is called the air gap magnetic flux line, and the magnetic chain is called the air gap magnetic flux line. The air gap magnetic flux line and the induced armature will reduce the frequency relationship, thereby reducing the pi/2 phase relationship. This is a very clear and measurable physical quantity. The relationship with the armature winding current is also obvious. There are two main types of flowing armature windings, used in DC motors and AC motors respectively. The armature consists of an armature core and an armature winding. The armature winding is the circuit part of a DC motor, and is the part that converts electrical energy by generating induced electromotive force and electromagnetic torque (a generator is the part that converts mechanical energy into electrical energy). The armature core is the electric

08-05

2022

The function of an automotive armature

The automotive armature is a core component in the process of converting mechanical energy and electrical energy in a motor. For generators, it is the component that generates electromotive force, such as the rotor and stator of a DC generator and the stator of an AC generator. For motors, it is the component that generates electromagnetic force, such as the rotor and stator of a DC motor. The automotive armature is the component of the motor that has coils, and these coils move relative to the magnetic field. In a generator, the rotating coils under force generate an induced electromotive force, thus generating electricity. In a motor, the coils are subjected to Ampere's force in the magnetic field, causing them to rotate in the magnetic field. In most generators, the field magnet is part of the rotating component, and the armature is stationary, 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. Permanent magnets or the polarized parts of electromagnets and the moving iron parts of solenoids (especially when the latter are used as switches or relays) can also be considered armatures. Composition of an automotive armature: Automotive armature windings are divided into two main categories: DC armature windings and AC armature windings. They are used in DC motors and AC motors respectively. The automotive armature consists of an armature core and armature windings. The armature windings are the circuit part of the DC motor, formed by...

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