Electric Curtains Motor 43mH 0.35A 2Phase 12V 50g For Curtains Go-Gold

Product Specification

Electric Curtains Motor 43mH 0.35A 2Phase 12V 50g For Curtains Go-Gold​

Motor Details

Warranty: 3Years

Place of Origin: Guangdong, China

Brand Name: Go-Gold

Model Number: KG-1214DC12

Usage: Electric Curtains

Current(A): 0.35A

Product Name: Electric Curtains Motor DC Motor

Motor type: DC Motor

Certification: ISO

Rated Voltage: 12V/ Customized

Keywords: Electric Curtains Motor

Noise: Low

Lead Time

Performance Specifications

Dimension

Motor Picture

Motor Application

Composition and Structure of DC Motor

The structure of DC motor should be composed of two parts: stator and rotor. The stationary part of DC motor is called stator. Its main function is to generate magnetic field. It is composed of base, main magnetic pole, commutation pole, end cover, bearing and brush device. The rotating part is called rotor. Its main function is to generate electromagnetic torque and induced electromotive force. It is the hub of energy conversion of DC motor, so it is usually called armature. It is composed of rotating shaft, armature core, armature winding, commutator and fan.

Stator

(1) Main magnetic pole
The function of main magnetic pole is to generate air gap magnetic field. Main magnetic pole is composed of main magnetic pole core and excitation winding. The core is generally made of 0.5mm~1.5mm thick silicon steel sheet punching and riveting. It is divided into pole body and pole shoe. The part with excitation winding on the top is called pole body, and the part with widening on the bottom is called pole shoe. Pole shoe is wider than pole body, which can adjust the distribution of magnetic field in air gap and facilitate the fixing of excitation winding. The excitation winding is wound with insulated copper wire and is mounted on the main pole core. The entire main pole is fixed to the base with screws.

(2) Commutation pole
The function of the commutation pole is to improve commutation and reduce the commutation sparks that may be generated between the brush and the commutator when the motor is running. It is generally installed between two adjacent main poles and consists of a commutation pole core and a commutation pole winding. The commutation pole winding is wound with insulated wire and is mounted on the commutation pole core. The number of commutation poles is equal to the main poles.

(3) Base
The outer shell of the motor stator is called the base. The base has two functions:
One is to fix the main poles, commutation poles and end covers, and to support and fix the entire motor;
The other is that the base itself is also part of the magnetic circuit, which constitutes the magnetic path between the poles. The part through which the magnetic flux passes is called the yoke. In order to ensure that the base has sufficient mechanical strength and good magnetic conductivity, it is generally a cast steel part or welded from steel plates.

(4) Brush device
The brush device is used to introduce or extract DC voltage and DC current. The brush device consists of a brush, a brush holder, a brush rod and a brush rod seat. The brush is placed in the brush holder and compressed by a spring to ensure good sliding contact between the brush and the commutator. The brush holder is fixed to the brush rod, and the brush rod is installed on the annular brush rod seat. They must be insulated from each other. The brush rod seat is installed on the end cover or the inner cover of the bearing. The circumferential position can be adjusted and fixed after adjustment.

Rotor
(1) Armature core
The armature core is the main part of the main magnetic circuit and is also used to embed the armature winding. Generally, the armature core is made of 0.5mm thick silicon steel sheets punched and stacked to reduce the eddy current loss and hysteresis loss generated in the armature core when the motor is running. The stacked core is fixed on the shaft or rotor bracket. The outer circle of the core is opened with armature slots, and the armature winding is embedded in the slots.

(2) Armature winding
The function of the armature winding is to generate electromagnetic torque and induced electromotive force. It is a key component for DC motors to convert energy, so it is called armature. It is composed of many coils (hereinafter referred to as components) connected according to a certain rule. The coils are wound with high-strength enameled wire or glass-wrapped flat copper wire. The coil edges of different coils are divided into upper and lower layers and embedded in the armature slots. The coils and the core and the upper and lower layers of coil edges must be properly insulated. To prevent the centrifugal force from throwing the coil edges out of the slot, the slot is fixed with a slot wedge. The end of the coil extending out of the slot is tied with a thermosetting non-weft glass tape.

(3) Commutator
In a DC motor, the commutator is equipped with brushes, which can convert the external DC power supply into alternating current in the armature coil, so that the direction of the electromagnetic torque remains constant; in a DC generator, the commutator is equipped with brushes, which can convert the alternating electromotive force induced in the armature coil into DC electromotive force drawn from the positive and negative brushes. The commutator is a cylinder composed of many commutator segments, and the commutator segments are insulated with mica sheets.

(4) Rotating shaft
The rotating shaft supports the rotation of the rotor and needs to have a certain mechanical strength and rigidity. It is usually made of round steel.