Direct-current brushless motor for multifunctional kitchen appliance

CN224343071UActive Publication Date: 2026-06-09AIBOJIN ELECTRIC MFG (SHENZHEN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
AIBOJIN ELECTRIC MFG (SHENZHEN) CO LTD
Filing Date
2025-05-13
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing brushless DC motor equipment uses conventional Hall sensors, which are prone to vibration and unstable torque when the speed is too low, causing the equipment to fail to start normally or work continuously.

Method used

The combination of linear Hall plates and magnetic rings increases signal accuracy, and magnetic field interference is reduced by adjusting the installation angle and gap isolation installation method. At the same time, low impedance mode is activated in the low speed range and the cross-sectional area of ​​the coil winding is increased to improve speed and torque stability.

Benefits of technology

It achieves improved signal stability and torque at low speeds, avoiding equipment vibration and start-up failures, and ensuring the normal operation of multifunctional kitchen appliances.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224343071U_ABST
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Abstract

The application provides a multifunctional kitchen appliance direct-current brushless motor, which is applied to the technical field of motor control and comprises a shell, a rotor assembly and a front cover and a rear cover matched with each other. The rotor assembly comprises an embedded chip, an axis and a plurality of magnets, a material reducing ring and a bearing. The axis passes through the center of the embedded chip. The multifunctional kitchen appliance direct-current brushless motor can be used for different food processing modes. However, the conventional direct-current brushless motor device uses a conventional Hall inductor. The conventional Hall inductor is unstable in detecting the position change of the rotor magnet NS pole, and the output torque is unstable when the rotating speed is too low. In daily use, for example, when the dough mixer is started, the inductance may be unstable due to the low rotating speed, and the dough mixer cannot be started. In addition, the torque is too small to continuously work when continuously mixing the dough.
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