Electric massager and its contact state judgment method with human body, noise reduction control method
A technology of contact state and control method, which is applied in the direction of motor control, vibration massage, control system, etc., can solve the problems of increasing hardware cost and high difficulty of production and assembly, so as to avoid hardware cost, ensure massage experience, and improve versatility and robustness Effect
Active Publication Date: 2022-07-08
CHENGDU TRINIDAD ELECTRONICS EQUIP
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Problems solved by technology
[0009] The technical problem to be solved by the present invention is: to propose an electric massager and a method for judging its contact state with the human body, and a noise reduction control method to solve the problem of judging whether the electric massager is in contact with the human body in the segmented noise reduction scheme of the traditional technology. Increased hardware costs and high difficulty in production and assembly
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Embodiment
[0047] Taking an electric massager such as a fascia gun as an example, a control circuit board and a motor are arranged in the fascia gun, a controller and a memory are arranged on the control circuit board, and the controller is connected with the motor and the memory; The specific computer control program of the noise reduction control method, the controller can realize the corresponding control of the motor speed by reading the specific computer control program and executing the control of the motor, so as to achieve the noise reduction, energy saving and improvement in the present invention. massage effect, etc.
[0048] The flow of the noise reduction control method for the fascia gun in this embodiment is as follows figure 1 As shown, it includes the following implementation steps and processes:
[0049] S1, the fascia gun is turned on;
[0050] The fascia gun in this embodiment has multiple gears, and each gear has a corresponding set gear speed, for example: 1st gear...
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The invention belongs to the technical field of electric massage equipment, and discloses an electric massager, a method for judging its contact state with the human body, and a noise reduction control method, which solve the method of judging whether the electric massager is in contact with the human body in the segmented noise reduction scheme of the traditional technology There are problems of increasing hardware cost and high difficulty in production and assembly. The present invention compares the real-time PWM pulse width value T of the electric massager with the PWM pulse width value Tn when the electric massager in the no-load state is running at the set gear speed under the same gear position; if the difference between T and Tn is equal to If the absolute value is between N1 and N2, it is determined that the electric massager is not currently in contact with the human body. By adjusting the PWM pulse width value, the motor speed is reduced to the idle speed operation state. In the idle speed state, if it is detected that the motor speed continuously drops by a certain speed, then Determine the contact with the human body, and then adjust the PWM pulse width to make the motor return to the set gear speed. The judgment method and noise reduction control method of the present invention are applicable to various electric massagers such as fascia guns.
Description
technical field [0001] The invention belongs to the technical field of electric massage equipment, and particularly relates to an electric massager, a method for judging a contact state with a human body, and a noise reduction control method. Background technique [0002] Electric massager is mainly composed of battery, motor and control circuit board. The motor is driven by the eccentric wheel to drive the massage head to reciprocate to achieve the massage effect of hitting back and forth on the human body. There are buttons for controlling different gears on the control circuit board, and the motor has different speeds in different gears; after adjusting the gears, the motor keeps moving at the speed of the gears, that is, whether it touches the human body or not, the motor keeps moving. Keep revving that gear all the time. [0003] Since the motor will generate noise during the movement, and the higher the rotation speed, the greater the noise, which brings a bad experi...
Claims
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IPC IPC(8): A61H23/02H02P29/00
CPCA61H23/02H02P29/00A61H2201/50
Inventor向明君杨凯张文
OwnerCHENGDU TRINIDAD ELECTRONICS EQUIP