KR101670591B1

KR101670591B1 - Ultrasonic skin firmer

Info

Publication number: KR101670591B1
Application number: KR1020150057834A
Authority: KR
Inventors: 이일권
Original assignee: 주식회사 청우메디칼
Priority date: 2015-04-24
Filing date: 2015-04-24
Publication date: 2016-10-28

Abstract

The present invention discloses a personal ultrasonic stimulator, which is configured to variably control a frequency applied to an ultrasonic vibrator contacting a human body to be treated, and thus, in a process of applying an ultrasonic wave output to a treatment target lesion, Even if the resonance frequency of the ultrasonic transducer is changed according to the contact impedance between the transducer and the to-be-treated transducer, the ultrasonic transducer can always apply a frequency having a constant output intensity to the ultrasonic transducer contacting the transducer to maximize the effect of the ultrasonic operation It is.

Description

[0001] ULTRASONIC SKIN FIRMER [0002]

The present invention relates to an ultrasonic stimulator, and more particularly, to a ultrasonic stimulator which variably controls a frequency applied to an ultrasonic vibrator contacting a human body to be treated, The present invention relates to a personal ultrasound stimulator capable of maximizing the effect of an ultrasound procedure while allowing a user to apply ultrasound.

Generally, an ultrasound stimulator is a device for converting electrical energy into mechanical vibration. Such an ultrasound stimulator is disclosed in Korean Utility Model Publication No. 20-2011-0010059 (published on October 26, 2011), Published Patent Application No. 10-2010-0004659 (Disclosed on Jan. 13, 2010), a main body having an ultrasonic vibrator, a driving circuit built in, and a power unit for supplying power to the main body.

However, in the conventional ultrasonic stimulator, when a certain frequency is outputted to the ultrasonic vibrator in a state where the ultrasonic vibrator is in contact with the to-be-treated portion of the body, the ultrasonic vibrator is operated in accordance with the contact impedance of the ultrasonic vibrator and the to- The vibration output intensity of the ultrasonic transducer in contact with the to-be-treated portion due to the change of the resonance frequency can not be outputted as much as the practitioner desires and is weakened, and the ultrasonic procedure is not effectively performed.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an ultrasonic transducer, Even if the resonant frequency of the ultrasonic transducer changes according to the contact impedance between the ultrasonic transducer and the to-be-treated transducer, the ultrasonic transducer can always apply a frequency having a constant output intensity to the ultrasonic transducer contacting the transducer, The present invention has been made in view of the above problems.

According to another aspect of the present invention, there is provided a personal ultrasound system comprising: a main body including a control unit for controlling an output intensity of a frequency; and an output unit for outputting a frequency adjusted according to an output intensity controlled by the control unit; And an ultrasonic vibrator which vibrates according to a frequency outputted from the output unit and stimulates the to-be-treated affected part by making contact with the to-be-treated affected part; An output current phase detector for detecting a current phase of the ultrasonic transducer by converting the output frequency of the ultrasonic transducer when the frequency is outputted by the ultrasonic transducer through the output unit, converting the sensed current phase into a square wave and outputting the rectangular wave; A frequency varying unit for varying a frequency according to a square wave of a current phase output from the output current phase detecting unit and outputting the frequency to the output unit; The output unit adjusts a frequency received from the frequency variable unit to an output intensity controlled by the controller and outputs the frequency to the ultrasonic transducer.

The output current phase detector may include: a current phase detector for detecting a current phase of the ultrasonic transducer as a voltage through a shunt resistor connected in series with the ultrasonic transducer; A comparator for converting a voltage sinusoidal wave of the shunt resistor into a square wave having a constant level and outputting the converted sinusoidal wave to the frequency variable unit; .

In addition, the frequency variable portion is a PLL (Phase Locked Loop) IC.

The frequency varying unit may compare the oscillation frequency with the phase of the square wave input to the input terminal PDI. If there is a phase difference according to the comparison result, the frequency varying unit outputs a high signal through the output terminal PDO, A phase comparator for outputting a low signal is constructed inside.

The frequency variable unit may be configured by connecting a smoothing unit that smoothens a high or a low signal when a high or low signal is output according to a phase comparison of the internal phase comparator, When a high signal smoothed by the smoothing unit is input to the feedback stage FADJ, the frequency is varied and then output to the output unit via the output stage OUT. .

The present invention is configured to variably control the frequency to be applied to the ultrasonic vibrator contacting the affected part of the human body. In this process, in the process of applying the ultrasonic output to the target part to be treated, Even if the resonant frequency of the vibrator is changed, it is possible to apply the frequency having the constant output intensity to the ultrasonic vibrator which contacts the affected part, thereby maximizing the effect of the ultrasonic operation.

1 is a schematic block diagram of a personal ultrasonic stimulator according to an embodiment of the present invention.
2 is a detailed circuit diagram of a personal ultrasonic stimulator according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a schematic block diagram of a personal ultrasonic stimulator according to an embodiment of the present invention, and FIG. 2 is a detailed circuit diagram of a personal ultrasonic stimulator according to an embodiment of the present invention.

1 and 2, a personal ultrasonic stimulator according to an embodiment of the present invention includes a main body 10 and an ultrasonic transducer 20 that contacts the affected part of a human body, A control unit 11, an output unit 12, an output current phase detection unit 13, and a frequency variable unit 14 are formed.

The control unit 11 controls the frequency output intensity of the output unit 12 and the output unit 12 outputs the adjusted frequency according to the control intensity of the control unit 11 to the ultrasonic oscillator 20, .

The output current phase detector 13 receives the output frequency of the ultrasonic oscillator 20 through the output unit 12 when the frequency is outputted and detects the current phase of the ultrasonic oscillator 20, And outputs it to the frequency varying unit 14. The current phase detector 131 and the comparator 132 are included.

The current phase detector 131 detects the current phase of the ultrasonic transducer 20 as a voltage through a shunt resistor Rl connected in series with the ultrasonic transducer 20.

The comparator 132 converts the voltage sinusoidal wave of the shunt resistor R1 into a square wave having a predetermined level (e.g., 5V), and outputs the square wave to the frequency varying unit 14. [

The frequency varying unit 14 varies the frequency according to the square wave of the current phase output from the output current phase detecting unit 13 and outputs the frequency to the output unit 12. [

In this case, the frequency variable part 14 is a PLL (Phase Locked Loop) IC, and compares the phase of a rectangular wave input to the input terminal PDI with an oscillation frequency. If there is a phase difference according to the comparison result, And outputs a low signal when there is no phase difference, while a smoothing unit 141 is connected to the smoothing unit 141. The smoothing unit 141 performs phase comparison of the phase comparator The high or the low signal is smoothed when the high or low signal is outputted.

Here, the frequency varying unit 14 does not vary the frequency when a low signal smoothed by the smoothing unit 141 is input to the feedback unit FADJ, but a high signal smoothed by the smoothing unit 141 The output unit 12 is configured to vary the frequency at the time of input to the feedback unit FADJ and output it to the output unit 12 through the output terminal OUT. And adjusts the received frequency according to the output intensity controlled by the controller 11, and outputs the adjusted frequency to the ultrasonic transducer 20.

The description of the resistor R, the capacitor C, the variable resistor VR, the switching element Q and the Zener diodes D included in the respective components of FIG. 2 will be omitted do.

1 and 2, the ultrasound transducer 20 is brought into contact with the to-be-treated portion of the human body, and the ultrasound echoes The power is applied to the main body 10 electrically connected to the vibrator 20.

The control unit 11 included in the main body 10 controls the output unit 12 so that the frequency adjusted to the output intensity controlled by the control unit 11 is output to the output unit 12, By outputting the ultrasonic vibration to the vibrator 20, ultrasonic vibration is transmitted to the affected part through the vibration of the ultrasonic vibrator 20.

The output current phase detector 13 in the main body 10 receives the output frequency of the ultrasonic oscillator 20 through the output unit 12 and outputs the current phase of the ultrasonic oscillator 20 And outputs it to the frequency varying unit 14 after converting it into a square wave.

That is, the current phase detector 131 included in the output current phase detector 13 detects the current phase of the ultrasonic transducer 20 as a voltage through the shunt resistor Rl connected in series with the ultrasonic transducer 20 And outputs the same to the comparator 132. The comparator 132 converts the voltage sine wave of the shunt resistor R1 into a square wave having a predetermined level .

The frequency varying unit 14 may vary the frequency according to the square wave of the current phase output from the comparator 132 and output the frequency to the output unit 12. [

That is, the frequency variable unit 14 compares the oscillation frequency with the phase of the square wave input to the input terminal PDI, and if a phase difference exists, outputs a high signal through the output terminal PDO to the smoothing unit And outputs a low signal to the smoothing unit 1411 when there is no phase difference. The smoothing unit 141 outputs a low signal to the smoothing unit 141 in accordance with the phase comparison of the phase comparator in the frequency varying unit 14, Or smoothens the low signal and inputs it to the feedback stage FADJ.

At this time, when a smoothed low signal is input to the feedback stage FADJ of the frequency variable unit 14, the frequency varying unit 14 does not vary the frequency, but a smoothed high signal is applied to the feedback stage FADJ The output unit 12 outputs the frequency received from the frequency varying unit 14 to the controller 12 through the output terminal OUT, 11, and outputs the ultrasonic signal to the ultrasonic transducer 20.

That is, in the personal ultrasonic stimulator according to the embodiment of the present invention, the ultrasonic variable unit 14 may be configured to compare the phase of the PLL IC oscillation frequency with the current phase of the ultrasonic oscillator 20, , The output terminal PDO outputs a high signal when the phase of the PLL IC oscillation frequency differs from the current phase of the ultrasonic transducer 20 and the frequency is varied when the smoothed signal is input to the feedback stage FADJ When the current phase of the ultrasonic transducer 20 coincides with the phase of the PLL IC oscillation frequency, a high signal is output at the output terminal PDO and smoothed by the smoothing unit 141 to be input to the feedback stage FADJ. It is determined that the resonance frequency of the PLL IC 20 is equal to the PLL IC oscillation frequency, and the frequency variation is stopped.

Accordingly, in the embodiment of the present invention, when the resonance frequency of the ultrasonic transducer 20 is changed according to the contact impedance between the ultrasonic transducer 20 and the to-be-treated transducer during the process of applying the ultrasonic output to the transducer, The ultrasonic oscillator 20 in contact with the treatment target portion can have a frequency output close to 100% desired by the practitioner. Thus, the output efficiency of the ultrasonic vibration to the affected part of the operator can be improved and the treatment effect on the affected part can be maximized It will be possible.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be easy to understand. It is also to be understood that the technical spirit of the invention is also deemed to belong to the scope of the appended claims if the practice of such improvements, alterations, substitutions or additions falls within the scope of the appended claims.

10; A main body 11; The control unit
12; An output unit 13; The output current phase detector
131; Current phase detector 132; Comparator
14; Frequency variable section 141; Smooth portion
20; Ultrasonic vibrator

Claims

A control unit for controlling the output intensity of the frequency, and an output unit for outputting the frequency adjusted in accordance with the control of the control unit; And an ultrasonic vibrator which vibrates according to a frequency outputted from the output unit and stimulates the to-be-treated affected part by making contact with the to-be-treated affected part; / RTI >
An output current phase detector for detecting a current phase of the ultrasonic transducer by converting the output frequency of the ultrasonic transducer when the frequency is outputted to the ultrasonic transducer through the output unit, A frequency varying unit for varying a frequency according to a square wave of a current phase output from the output current phase detecting unit and outputting the frequency to the output unit; Wherein the output unit adjusts a frequency received from the frequency variable unit to an output intensity controlled by the controller and outputs the frequency to the ultrasonic vibrator,
Wherein the output current phase detector comprises: a current phase detector for detecting a current phase of the ultrasonic transducer as a voltage through a shunt resistor connected in series with the ultrasonic transducer; A comparator for converting a voltage sinusoidal wave of the shunt resistor into a square wave having a constant level and outputting the converted sinusoidal wave to the frequency variable unit; , And,
Wherein the frequency variable unit includes a phase comparator, and compares the phase of the rectangular wave input to the input terminal PDI with the oscillation frequency. When a high or low signal is output according to a phase comparison of the phase comparator, And a smoothed portion smoothed by the smoothing portion is connected to the feedback stage FADJ so that a smoothed low signal does not change the frequency when the smoothed low signal is input to the feedback stage FADJ, Wherein the controller is configured to vary the frequency at the time of input and output the variable frequency to the output unit through an output terminal OUT .

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The personal ultrasonic stimulator of claim 1, wherein the frequency variable unit is a PLL (Phase Locked Loop) IC.

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