What changes can the development of coreless motors bring to blowers

When understanding the role of the hollow cup in the blower, we can first understand the working principle of the blower. It uses an electric motor to drive the impeller to rotate, accelerates the air through the rotation of the impeller, and sends the accelerated air out through the air outlet, thereby realizing the transportation and pressurization of the gas. The specific process is as follows:

 

Suction stage: As the blower's impeller rotates, air is sucked into the blower's air inlet. Usually, the air inlet is designed as a large opening that can guide a large amount of air in.

 

Acceleration stage: The inhaled air enters the working area of the impeller. As the impeller rotates, the blades generate centrifugal force, which accelerates the air and pushes it along the impeller's channel. At this time, the air speed and pressure gradually increase.

 

Exhaust stage: The accelerated air is sent to the exhaust port of the blower and discharged through the exhaust port. The design of the blower usually makes the air flow rate higher and the pressure more stable, which is suitable for application scenarios that require large flow and high pressure airflow.

 

Blowers are widely used in air conditioning, ventilation systems, dust collection equipment, industrial gas delivery and other fields. They can be designed into different types according to needs, such as axial flow fans, centrifugal fans, etc. Each type of blower is different in principle, but the basic working principle of air flow acceleration and pressure increase is similar.

 

 

Coreless Motors, especially brushless Coreless Motors (BLDC Coreless Motors), are increasingly used in blowers, especially in scenarios with high requirements on space, noise, efficiency and control accuracy.

 

So why are coreless motors being used more and more widely? This is mainly due to the development of coreless motor technology and the reduction of manufacturing costs. With the advancement of high-precision manufacturing technology, coreless motors have been able to provide higher power density, lower noise, longer service life and better control accuracy. These advantages have made coreless motors gradually become an indispensable part of equipment that requires miniaturization, low noise, energy saving and high efficiency.

 

Technological development and cost reduction: With the continuous improvement of material technology and motor control technology, the production cost of Coreless Motors has gradually decreased, and significant breakthroughs have been achieved in efficiency, power density and control accuracy. This makes it widely used in various occasions that require high efficiency and low noise, such as high-end air purifiers, drones, service robots and precision blowers.

 

Miniaturization and high efficiency: The rotor of the coreless motor is designed as a hollow structure, which is small in size, light in weight and has high power density, which is especially important for equipment that requires a compact design. Compared with traditional motors, the coreless motor can provide higher power and efficiency in the same volume, which is suitable for applications with limited volume.

 

Low noise and high control precision: Since the Coreless Motor adopts brushless design, mechanical friction is reduced and the noise is greatly reduced during operation. Its fine speed and torque control ability makes the Coreless Motor an ideal choice for high-end blowers that require precise air flow regulation and low noise.

 

 

Secondly, compared with asynchronous motors and BLDC motors, Coreless Motors show unique advantages in certain applications.

 

Compared with asynchronous motors:

Power density and volume: Although asynchronous motors are simple in structure, low in cost, and very durable, they are usually large in size and have low power density. In contrast, coreless motors, due to their special rotor design, can provide higher power density while maintaining a small volume, making them particularly suitable for space-constrained equipment.

 

Efficiency and noise: Asynchronous motors have low efficiency during operation, especially when the load is high, the energy loss is large, and the noise is more obvious. Coreless Motors are more efficient and have low noise, so Coreless Motors are more suitable in applications that require high efficiency and low noise.

 

Starting performance: Asynchronous motors require a large current when starting, which may cause impact on the power grid. Coreless Motors have faster response speed and lower starting current, and are more suitable for applications with high starting performance requirements.

 

Compared with BLDC motors:

Size and power: Although BLDC motors are more efficient and run smoothly, coreless motors usually have an advantage in size and weight. The lightness and high power density of coreless motors make them more suitable for compact devices, especially blowers that require precise control and miniaturization.

 

Noise control: Although BLDC motors have lower noise than asynchronous motors, due to the special design of the coreless motor, it can further reduce noise during operation and is suitable for applications with extremely high noise requirements, such as household appliances, medical equipment, etc.

 

Cost factor: BLDC motors are generally more cost-effective than asynchronous motors and coreless motors, but coreless motors still show unique value in some high-end applications, especially in areas that require more precise control and low noise. With technological advances and reduced production costs, the cost-effectiveness of coreless motors is gradually approaching or even surpassing that of BLDC motors.

 

 

The VSD coreless motor series provides an ideal power solution for high-precision applications such as blowers. The following are several coreless motors suitable for different needs, with excellent power density, efficiency and control accuracy, especially suitable for scenarios with high requirements on size, noise and operating stability.

 

VEC-1015 series coreless motor:

Miniaturization and high power density: With a diameter of only 10 mm, the VEC-1015 motor provides high efficiency output for compact equipment. The motor has a high no-load speed of 25,398 rpm and can achieve high performance operation of 20,367 rpm at maximum efficiency.

 

Low noise and precise control: The brushless design ensures that the motor operates with extremely low noise, making it suitable for noise-sensitive high-end applications such as air purifiers and high-efficiency precision blowers.

 

VEC-1218 series coreless motors:

Higher power and wide application range: VEC-1218 motor provides stronger power output than VEC-1015 in a moderate size, reaching a maximum efficiency speed of 24,010 r/min. Its application range includes air purification, drones and high-efficiency industrial blowers.

 

Excellent starting performance and stability: With a starting torque of up to 6.807 mN·m, the motor can start quickly and stably, which is suitable for equipment with high starting performance requirements.

 

VEC-1336 series coreless motors:

High power and long operation: This 13mm diameter motor provides 17.6W output power at maximum efficiency, suitable for industrial equipment that requires continuous high-load operation, such as large blowers or high-precision instruments.

 

High torque and low starting current: The starting torque reaches 36.292 mN·m, and the current is relatively low, making it suitable for occasions that are sensitive to current fluctuations, ensuring the stability and reliability of equipment operation.

 

 

Highly customized to meet individual needs: VSD provides comprehensive customization services for voltage, speed, size and interface to ensure that the product is perfectly adapted to your specific application. You can also choose different types of bearings (such as double ball bearings) or integrate built-in encoders as needed to achieve a high-precision closed-loop control system.

 

International certification guarantees quality: VSD has passed ISO 9001:2015, IATF16949:2016, ISO14000 and other global quality management system certifications. These strict certification standards provide us with a strong guarantee for producing reliable and high-quality products, and our products have been successfully exported to many countries and regions such as Europe, America, and Southeast Asia.

 

Transparent production, assured purchasing: As a manufacturer with its own factory, VSD provides you with transparent management of the entire production process. You can visit our production process and quality control online or offline to ensure the reliability and high quality of our products.

 

 

In the future, VSD believes that with the continuous advancement of technology and the further reduction of production costs, Coreless Motors will play an increasingly important role in the field of blowers. Its high power density, compact size, low noise and high efficiency make it an ideal choice to meet modern needs. Especially in application scenarios that require miniaturization, precise control and low noise, Coreless Motors will gradually replace traditional motors and become the core drive system of many high-end equipment.

 

In addition, with the advancement of energy-saving, environmental protection and intelligent technology, the advantages of Coreless Motors will become more prominent. Its outstanding performance in energy saving, low noise and high-precision regulation makes it have huge market potential in the fields of household appliances, medical equipment, smart homes, etc. In the future, Coreless Motors will dominate the blowers and other related equipment with their higher performance and lower cost.