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Small Permanent Magnet Ferrite Used In Steering Motors In Advanced Automobiles
Permanent magnet motor uses permanent magnet to generate the magnetic field of the motor, without excitation coil or excitation current, high efficiency and simple structure, is very good.
The development of permanent magnet motors is closely related to the development of permanent magnet materials. China is the first country in the world to discover the magnetic characteristics of permanent magnet materials and apply it to the real country, more than two thousand years ago, China made use of the magnetic characteristics of permanent magnet materials made of compass, in navigation, military and other fields played a huge role, become one of the four great inventions in ancient China. The world's first motor, which appeared in the 1820s, was made of permanent magnets.
Characteristics and application of permanent magnet motor
Compared with traditional electric excitation motors, permanent magnet motors, especially rare earth permanent magnet motors, have simple structure and reliable operation. Small size, light weight; Low loss, high efficiency; The shape and size of the motor can be flexible and diverse. Therefore, the application range is extremely wide, almost throughout the aerospace, national defense, industrial and agricultural production and daily life in all fields.
The role of permanent magnet ferrite in the car wiper is mainly reflected in the following aspects:
Drive system: In the wiper design of some modern cars, permanent magnet ferrite is used in the design of the motor to provide a constant magnetic field, which allows the motor to operate more efficiently and improve the performance of the wiper.
Control systems: Permanent magnet ferrite can be used in sensors or control modules to detect the presence or intensity of rain. These sensors can automatically adjust the speed and working frequency of the wiper, so as to adjust the working state according to the actual situation, improve the driving comfort and safety.
Reduce noise: In some designs, the use of permanent magnet ferrite can reduce the noise of the wiper operation, making it quieter during operation and improving the user experience.
Improved durability: Permanent magnet ferrite materials have good high temperature and corrosion resistance, which increases the durability and reliability of the wiper system, thereby reducing the frequency of maintenance.
Compact design: The use of permanent magnet ferrite makes the design of the wiper more compact, saving space and contributing to the layout and design of the overall car structure.
What's the application of Xinheng's permanent ferrite magnets?
Xinheng mainly manufactures the following types of ceramic arc segment magnets:
How Xinheng fabricates its permanent strontium ferrite magnet?
FERRITE POWDER GRADE OF AUTOMOBILE MOTORS MAGNET
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mT | Gs | KA/m | Oe | KA/m | Oe | KJ/m3 | MGOe | |
Y30H-1 | 380-400 | 3800-4000 | 230-275 | 2890-3460 | 235-290 | 2950-3640 | 27.0-32.5 | 3.4-4.1 |
Y30H-2 | 395-415 | 3950-4150 | 275-300 | 3450-3770 | 310-335 | 3890-4200 | 27.0-32.0 | 3.4-4.0 |
Y33H-2 | 410-430 | 4100-4300 | 285-315 | 3580-3960 | 305-335 | 3830-4200 | 31.8-35.0 | 4.0-4.4 |
Y38 | 440-460 | 4400-4600 | 285-305 | 3580-3830 | 294-310 | 3690-3890 | 36.6-40.6 | 4.6-4.8 |
Y40 | 440-460 | 4400-4600 | 330-354 | 4150-4450 | 340-360 | 4270-4520 | 37.6-41.8 | 4.7-5.2 |
Industrial automation: The speed of the motor is controlled by the frequency converter to achieve accurate automatic control.
Air conditioning and refrigeration equipment: The frequency of the compressor is controlled by the frequency converter to improve energy efficiency and comfort.
Water pump and fan: adjust the speed of the motor to avoid energy waste.
Elevators and lifting equipment: provides smooth speed regulation and efficient energy use.
Transportation field: Control the speed of the traction motor to achieve smooth acceleration and deceleration and improve system efficiency.
Smart home: widely used in household appliances, such as washing machines, refrigerators, air conditioners, etc
To know more about Xinheng Magnets