Signal regulation and control device and radio frequency beauty instrument
A control device and signal technology, applied in the field of radio frequency beauty instruments, can solve the problems of low control efficiency of the signal control device, and achieve the effect of realizing the frequency control function and improving the control efficiency.
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no. 1 example
[0034] see figure 1 The signal regulating device of the present invention includes a power supply 1, a push-pull switch circuit 2, a resonant capacitor 3, a resonant structure, a magnetic material component 5, a control coil 6, a frequency detection circuit 7, an adjustable constant current source 8 and a feedback regulation module 9, The control coil 5 and the resonant structure share a magnetic material part 5, the resonant capacitor 3 is connected in parallel with a resonant coil 4 in the resonant structure, and the resonant coil 4 composed of the magnetic material part 5, the resonant capacitor 3 and the resonant capacitor 3 in parallel forms an oscillating circuit, and the magnetic material The B-H characteristic of the component 5 changes with the current on the control coil 5 . Among them, the magnetic permeability, working performance, and working state of the magnetic material component 5 change with the current on the control coil 5 .
[0035] In this embodiment, th...
no. 2 example
[0050] like image 3 As shown, the signal regulating device of this embodiment includes a power supply 1a, a push-pull switch circuit 2a, a resonant capacitor 3a, a resonant structure, a magnetic material component 5a, a control coil 6a, a frequency detection circuit 7a, an adjustable constant current source 8a, and a feedback regulator Module 9a. Wherein, the resonant structure includes two resonant coils, the first resonant coil is connected in parallel with the resonant capacitor 3a, and the two ends of the second resonant coil are electrically connected with the input end of the frequency detection circuit 7a.
[0051] Specifically, the resonant structure of this embodiment may include a plurality of resonant coils. For example, the resonant structure may include two resonant coils, which include a first resonant coil 41a and a second resonant coil 42a, and the first resonant coil 41a and the resonant capacitor 3a are connected in parallel, and both ends of the second res...
no. 3 example
[0057] like Figure 5 As shown, the signal regulating device of this embodiment includes a power supply 1b, a push-pull switch circuit 2b, a resonant capacitor 3b, a resonant structure, a magnetic material component 5b, a control coil 6b, a frequency detection circuit 7b, an adjustable constant current source 8b and a feedback regulation Module 9b. Wherein, the resonant structure in this embodiment further includes a third resonant coil, and the third resonant coil is electrically connected to the load 10b.
[0058] Specifically, the resonant structure of this embodiment includes a first resonant coil 41b, a second resonant coil 42b and a third resonant coil 43b. Wherein, the first resonant coil 41b is connected in parallel with the resonant capacitor 3b, and is used to form an oscillating circuit together with the magnetic material part 5b to generate a resonant signal; both ends of the second resonant coil 42b are electrically connected to the input end of the frequency det...
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