Abstract
The acoustic vibration health care device is a small medical device that can be used in homes. It was developed for the general public to meet the current needs of modern-day workers who value health and leisure. The device’s massager negates acoustic vibrations set at a certain frequency that activate metabolism and blood circulation. It has also been proven to lessen pain or enhance treatment effects by stimulating the cranial nerves. Stored inside the massager is a voice-coil actuator made of a bobbin core wrapped in coils and a permanent magnet. The component produces the Lorentz force as a result of the applied current and the magnetic flux density form the internal magnetic field. In our experiment, we used the ANSYS Maxwell, a commercial finite element analysis program, to analyze the electromagnetic field. We also measured and compared the Lorentz force by testing the massager’s vibrations. Through these actions, we validate the finite element analysis and obtained the design technology data of the massager model.
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