Constant current output system, radio frequency beauty instrument and constant current output method
A technology of constant current and output system, applied in the direction of constant current power supply DC circuit, radiation therapy, treatment, etc., can solve the problems of poor use effect and poor practicability, and achieve the goal of ensuring curative effect, good practicability and improving use effect. Effect
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Embodiment 1
[0041] A constant current output system, refer to figure 1 , applied to a radio frequency beauty instrument, comprising: a current detection unit 11, a steady current output unit 12 and a control unit 13;
[0042] The current detection unit 11 is connected to the steady current output unit 12 for real-time detection of the output current value of the steady current output unit 12, and sends the output current value to the control unit 13;
[0043] The control unit 13 is respectively connected with the current detection unit 11 and the steady current output unit 12, and is used to receive the output current value sent by the current detection unit 11, compare the output current value with the preset current threshold, and adjust the output current in real time according to the comparison result. The duty ratio of the PWM rectangular wave is such that the steady current output unit 12 outputs a constant current according to the control of the PWM rectangular wave.
[0044] In t...
Embodiment 2
[0067] A radio frequency beauty instrument, refer to image 3 , including the constant current output system 17 in the first embodiment above, and also includes: a housing 18;
[0068] The constant current output system 17 is arranged in the housing 18 .
[0069] In an optional embodiment of the present invention, the radio frequency beauty instrument also includes: control buttons;
[0070] The control button is connected with the control unit in the constant current output system, and is used to adjust the switch state and working gear of the radio frequency beauty instrument.
[0071] In an optional embodiment of the present invention, the radio frequency beauty instrument also includes: indicator lights, gear signs and lenses;
[0072] The indicator light is arranged in the casing, and the indicator light is provided with a lens, and the lens is provided with a gear mark, wherein, the indicator light and the gear mark are used to indicate the current working gear of the ...
Embodiment 3
[0077] A constant current output method, refer to Figure 4 , applied to the control unit of the constant current output system in the first embodiment above, including:
[0078] Step S401, receiving the output current value sent by the current detection unit, wherein the output current value is obtained by the real-time detection of the steady current output unit by the current detection unit;
[0079] Step S402, comparing the output current value with a preset current threshold to obtain a comparison result;
[0080] Step S403, adjusting the duty ratio of the output PWM rectangular wave in real time according to the comparison result, so that the steady current output unit outputs a constant current according to the control of the PWM rectangular wave.
[0081] For the specific content in the third embodiment, reference may be made to the description in the first embodiment above, and details are not repeated here.
[0082] The computer program product of the constant curr...
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