JPWO2014192307A1 - Ultrasonic vibration beauty device - Google Patents

Abstract

To provide an ultrasonic vibration cosmetic device capable of preventing the skin from being damaged when the square plug softened by the ultrasonic vibration is removed. A porous liquid retaining member (30) having a treatment surface with which the ultrasonic vibration cosmetic device comes into contact with the skin of the person to be treated, and a bottomed cylindrical shape for storing the liquid retention member with the upper portion including the treatment surface exposed. The storage member (20), a lid (40) fixed to the edge of the storage member on the opening side, and pressing and fixing the treatment surface from the opening provided on the liquid retaining member at the top, An ultrasonic vibrator (50) that is disposed in contact with the bottom surface of the storage member and vibrates the liquid retaining member via the storage member, and power supply control that applies a high-frequency voltage of 20 kHz to 300 kHz to the ultrasonic vibrator. A part (60) and a portable case (10) for holding them together.

Description

  Embodiments described herein relate generally to an ultrasonic vibration cosmetic device.

An ultrasonic beauty instrument including a probe head that vibrates ultrasonically and a cylindrical wall that covers the periphery of the probe head is known (for example, see Patent Document 1).
In this ultrasonic beauty instrument, the square plug clogged in the pores can be softened by moving the probe head in contact with the skin. And in an ultrasonic beauty instrument, it can remove so that the softened square plug may be stripped off by the inner edge of a cylindrical wall part (for example, refer patent document 1).

JP 2009-082376 A

  However, in the above apparatus, there is a fear that the skin surface may be damaged when the softened square plug is removed so as to be peeled off.

  The present invention has been made in consideration of such circumstances, and provides an ultrasonic vibration cosmetic device capable of preventing the skin from being damaged when removing a square plug softened by ultrasonic vibration. For the purpose.

  An ultrasonic vibration cosmetic device according to an embodiment includes a porous liquid retaining member having a treatment surface that comes into contact with the skin of a person to be treated, and a bottomed tube that stores the liquid retention member with an upper portion including the treatment surface exposed. A storage member, a lid that is fixed to the edge of the storage member on the opening side, presses and fixes the treatment surface from an opening provided on the liquid retaining member, and a bottom surface side of the storage member And an ultrasonic vibrator that vibrates the liquid retaining member via the storage member, a power supply control unit that applies a high-frequency voltage of 20 kHz to 300 kHz to the ultrasonic vibrator, and these integrally A portable housing for holding.

  Conventionally, many cosmetic instruments using ultrasonic waves vibrate ultrasonic transducers at about 1 [MHz], but efficiently emulsify square plugs clogged in pores and oil on the skin surface of the subject. There were cases where it was difficult. By applying a high frequency voltage of 20 kHz to 300 kHz to the ultrasonic transducer, it is possible to efficiently emulsify the plugs clogged in the pores and the fat on the skin surface of the subject.

In the ultrasonic vibration cosmetic device according to the embodiment, a skin surface stimulating member having a protrusion that gives mechanical stimulation to the skin of the treatment subject or the person to be treated is detachably attached to the housing member.
In the ultrasonic vibration cosmetic device according to the embodiment, a skin surface stimulating member having a plurality of comb bodies for mechanically stimulating the liquid retaining member or the subject's skin is detachably attached to the housing member. . The storage member is preferably attached to the housing via an elastic body. The liquid retaining member is, for example, a sponge having an average pore diameter of 100 μm to 5 mm and capable of absorbing liquid.

In the ultrasonic vibration cosmetic device according to the embodiment, the lid is formed of a conductive member, and the casing is provided with an electrode that comes into contact with the hand of a practitioner who holds the casing. The control unit further applies a voltage between the lid and the electrode.
The ultrasonic vibration cosmetic device of the embodiment further includes a thermometer that measures the temperature of the ultrasonic vibrator or the storage member, and the power supply control unit corresponds to the temperature measured by the thermometer, and Controls the ON or OFF time of voltage application to the sonic transducer. The power supply control unit further includes a detection unit that detects attachment / detachment of the liquid holding member to / from the storage member, and when the detection unit detects that the liquid holding member is not attached, It can also be configured not to supply voltage to.
The ultrasonic vibration cosmetic device of the embodiment may further include a vibration motor that vibrates the storage member.

  ADVANTAGE OF THE INVENTION According to this invention, the ultrasonic vibration cosmetic device which can prevent damaging skin when removing the square plug softened by ultrasonic vibration can be provided.

1 is a perspective view of an ultrasonic vibration cosmetic device 1 according to a first embodiment of the present invention. FIG. 3 is a partial cross-sectional view of the head portion of the ultrasonic vibration cosmetic device 1. The functional block diagram which shows the electrical function of the ultrasonic vibration cosmetic device 1. FIG. The figure which shows that a head part is replaceable. The partial cross section figure of the head part of the ultrasonic vibration cosmetics device 2. FIG. The functional block diagram which shows the electrical function of the ultrasonic vibration cosmetic device 2. FIG.

Hereinafter, embodiments will be described with reference to the drawings.
[First Embodiment]
FIG. 1 is a perspective view of an ultrasonic vibration cosmetic device 1 of this embodiment. FIG. 2 is a partial cross-sectional view of the head portion of the ultrasonic vibration cosmetic device 1.
As shown in FIG. 1, the ultrasonic vibration cosmetic device 1 includes a housing 10, a holding container 20, a sponge 30, a lid 40, an ultrasonic transducer 50, a side electrode 55, and a control circuit board 60. The ultrasonic vibration cosmetic device 1 can also include a secondary battery 70 for supplying power to the control circuit board 60.

The ultrasonic vibration cosmetic device 1 vibrates the skin 30 while supplying the liquid (water, cleaning liquid or cosmetic liquid) contained in the sponge 30 to the skin surface of the person to be treated by vibrating the sponge 30. It is a cleaning device that emulsifies and removes plugs clogged in pores and fat on the skin surface.
(About the housing 10)
The housing 10 is formed by injection molding of plastic. The housing 10 has a substantially rectangular parallelepiped main body portion 11 that is a portion that is gripped by a user (operator, practitioner), and a substantially cylindrical shape that is located near the tip of the main body portion 11 (upper end in FIG. 1). The head base 12 is provided. The main body 11 includes a front surface portion 11a, a back surface portion 11b opposite to the front surface portion 11a, side surface portions 11c and 11d, and a bottom surface portion 11e that connect the front surface portion 11a and the back surface portion 11b.

In the vicinity of the head base portion 12 of the front face portion 11a, the surface of the skin 30 is treated by iontophoresis by applying a voltage to the lid 40 and the side electrode 55 by turning on or off the vibration (applying vibration) to the sponge 30. A switch 75 for performing the above is provided. In the vicinity of the head base portion 12 of the front portion 11a, a display portion 80 is provided that includes an LED or the like that indicates a charged state of the secondary battery 70 or an ON or OFF state of vibration to the sponge 30. The display unit 80 may be provided with a display device such as a liquid crystal display.
The side electrode 55 is provided on the side part 11c or the side part 11d. The side electrode 55 is in contact with the palm or finger of the user holding the main body 11. The side electrode 55 is a pair of electrodes with the lid 40. That is, the side electrode 55 functions as an electrode on the other electrode side with respect to the lid 40 during the treatment of the skin surface by the iontophoresis method. A voltage is applied to the side electrode 55 from the control circuit board 60 via the conducting wire 62b (FIG. 2).
The bottom surface portion 11e is provided with a power supply terminal 11f for obtaining power from a commercial power supply.

  The head base 12 has a substantially cylindrical shape. The head base 12 is formed integrally with the main body 11. The head base part 12 is provided so as to protrude from the front part 11a, the side part 11c, and the side part 11d of the main body part 11. That is, the side surface portion 12 a of the head base portion 12 is higher than the height of the side surface portion 11 c of the main body portion 11 (the length in the direction from the back surface portion 11 b toward the front surface portion 11 a) and the front surface portion 11 a of the main body portion 11. It is formed to have a diameter wider than the width (the length from the side surface portion 11c to the side surface portion 11d). Accordingly, the sponge 30 can be brought into contact with the skin surface without being affected by the thickness of the finger when the main body 11 is gripped.

(About the holding container 20)
As shown in FIG. 2, the holding container 20 is attached to the edge of the opening 12 a of the head base 12 through a supporting bush rubber 13 having an H-shaped cross section. The holding container 20 vibrates when vibration is applied by the ultrasonic vibrator 50.
The holding container 20 is a bottomed cylinder formed by sheet metal processing of an alloy such as stainless steel or aluminum. The holding container 20 has a cylindrical wall surface portion 21 and a bottom surface portion 22 provided so as to close one end side of the wall surface portion 21. That is, the other end side of the holding container 20 is open. The wall surface portion 21 is provided from the periphery of the bottom surface portion 22 in a direction orthogonal to the surface direction of the bottom surface portion 22.

The wall surface portion 21 has an inner peripheral surface 21a and an outer peripheral surface 21b. The inner peripheral surface 21 a is a flat surface and is in close contact with the sponge 30. The outer peripheral surface 21b is provided with a thread portion 21c and a flange 21d in a convex shape along the circumferential direction of the outer peripheral surface 21b.
The thread portion 21 c is located near the opening of the holding container 20. The thread portion 21 c is screwed with the lid 40. The flange 21d is located in the vicinity of the bottom portion 22. The flange 21d is fitted to the supporting bush rubber 13.
The bottom surface portion 22 is formed in a flat shape. The bottom surface portion 22 has an inner surface 22a and an outer surface 22b. The inner side surface 22 a is a connection surface with the inner peripheral surface 21 a of the wall surface portion 21. The inner peripheral surface 21 a is in contact with the bottom surface portion 30 a of the sponge 30. At predetermined locations on the inner side surface 22a, a part of the pair of attachment / detachment detection electrodes 23 is exposed from the inner side surface 22a. The ultrasonic transducer 50 is attached in close contact with the substantially central portion of the outer surface 22b of the bottom surface portion 22.

  The pair of attachment / detachment detection electrodes 23 are electrically insulated from the bottom surface portion 22. The pair of attachment / detachment detection electrodes 23 are connected to the control circuit board 60 by conducting wires 61, respectively. The pair of attachment / detachment detection electrodes 23 may be provided at various locations (for example, the wall surface portion 21) in addition to the bottom surface portion 22. When the sponge 30 containing moisture comes into contact with the pair of attachment / detachment detection electrodes 23, the pair of attachment / detachment detection electrodes 23 is short-circuited. The control circuit board 60 can detect this. As a result, the control circuit board 60 can detect whether or not the sponge 30 is inserted into the holding container 20.

(About dimensions of holding container 20)
The holding container 20 configured as described above has a predetermined size in order to efficiently transmit the vibration of the ultrasonic vibrator 50 to the sponge 30 containing moisture. For example, the depth (length from the inner side surface 22a to the opening of the holding container 20) H1 is preferably about 0.47 to 0.575 [cm].
The depth H1 [cm] can be defined by the vibration propagation velocity v [m / s] of the ultrasonic transducer 50 and the vibration frequency f [Hz] of the ultrasonic transducer 50. That is, the depth H1 [cm] can be expressed by Equation 1.

伝搬速度ｖは、例えば、１５００［ｍ／ｓ］である。
このように深さＨ１を規定することによって、超音波振動子５０の振動をスポンジ３０に効率よく伝搬させることができる。超音波振動によって、無駄な力を使わずに、毛穴に詰まった角栓や肌表面の脂を乳化させ、最適な洗浄力を得ることができる。なお、保持容器２０の肉厚は、最大で２［ｍｍ］程度であることが望ましい。例えば、保持容器２０をステンレス鋼で構成する場合には、保持容器２０の肉厚を０.５[ｍｍ]以下とすることが望ましい。例えば、保持容器２０をアルミ合金で構成する場合には、保持容器２０の肉厚を１〜２[ｍｍ]程度とすることが望ましい。

The propagation velocity v is, for example, 1500 [m / s].
By defining the depth H1 in this way, the vibration of the ultrasonic transducer 50 can be efficiently propagated to the sponge 30. Ultrasonic vibration can emulsify the plugs in the pores and the oil on the skin surface without using unnecessary force to obtain the optimum cleaning power. The thickness of the holding container 20 is desirably about 2 [mm] at the maximum. For example, when the holding container 20 is made of stainless steel, the thickness of the holding container 20 is desirably 0.5 [mm] or less. For example, when the holding container 20 is made of an aluminum alloy, the thickness of the holding container 20 is preferably about 1 to 2 [mm].

(About sponge 30)
The sponge 30 is a foam having elasticity. Specifically, the sponge 30 is a porous member having an average pore diameter of approximately 100 [μm] to 5 [mm] in a substantially central cross section (AA cross section in FIG. 1). The sponge 30 is deformed by being pressed by, for example, a hand or a finger or pressed against the skin surface. The sponge 30 is excellent in elasticity and liquid retention, and holds (retains) the liquid supplied to the skin surface of the patient. The sponge 30 may be preliminarily impregnated with liquid, or the liquid may be added immediately before the skin surface is cleaned or when the sponge 30 is dried during the skin surface cleaning. The applied liquid soaks into the sponge 30 and is held by the sponge 30.

The sponge 30 is formed in a substantially cylindrical shape. The sponge 30 includes a bottom surface portion 30a and a skin contact surface 30b. The side surface of the sponge 30 is once reduced in diameter in the direction from the bottom surface portion 30a toward the skin contact surface 30b. That is, the sponge 30 includes a first side part 30c having a large diameter, a second side part 30d having a small diameter, and a third side part 30e which is a tapered surface connecting these.
The sponge 30 is detachably inserted into the holding container 20 from the opening of the holding container 20 with the bottom face portion 30a facing the bottom face portion 22 of the holding container 20. By removing the sponge 30 from the holding container 20, the inner surface of the sponge 30 and the holding container 20 can be easily washed, and these can be kept clean.

The bottom surface portion 30 a is formed in a flat shape corresponding to the bottom surface portion 22. The bottom surface portion 30 a comes into close contact with the inner side surface 22 a of the bottom surface portion 22 when the sponge 30 is inserted into the holding container 20. At this time, the bottom surface portion 30 a also contacts the pair of attachment / detachment detection electrodes 23. As a result, the pair of attachment / detachment detection electrodes 23 are short-circuited by the bottom surface portion 30a containing moisture.
The skin contact surface 30b has a shape that swells in an arc shape, and is formed so as to easily fit the skin surface of the patient. The skin contact surface 30b is for supplying the liquid retained by the sponge 30 to the skin surface of the person to be treated.
The first side surface portion 30 c has a diameter corresponding to the inner peripheral surface 21 a of the holding container 20. The first side surface portion 30c is formed in a flat shape. When the sponge 30 is inserted into the holding container 20, the first side surface portion 30c is in close contact with the inner peripheral surface 21a.

ｖ：超音波振動子５０の振動の伝搬速度［ｍ／ｓ］
ｆ：超音波振動子５０の周波数［Ｈｚ］
すなわち、高さＨ２は保持容器２０の深さＨ１の２倍程度の長さであることが望ましい。したがって、スポンジ３０の保持容器２０の開口から肌接触面３０ｂの先端部までの長さＨ３は、保持容器２０の深さＨ１と同程度であることが望ましい。 (About the height of the sponge 30)
In the sponge 30 configured as described above, the height (the length from the bottom surface 30a to the tip of the skin contact surface 30b) H2 [cm] is defined in order to efficiently transmit the vibration of the ultrasonic transducer 50. Is done. The height H2 can be expressed by Equation 2.

v: Propagation speed of vibration of ultrasonic transducer 50 [m / s]
f: Frequency of the ultrasonic transducer 50 [Hz]
That is, the height H2 is desirably about twice as long as the depth H1 of the holding container 20. Therefore, the length H3 from the opening of the holding container 20 of the sponge 30 to the tip of the skin contact surface 30b is desirably about the same as the depth H1 of the holding container 20.

(About lid 40)
The lid 40 is formed in a substantially cylindrical shape. The lid 40 is made of a metal material such as copper or iron. The lid 40 has a tapered portion 40a, and openings 40b and 40c are provided on the upper side and the lower side, respectively.
The opening 40b has a larger diameter than the opening 40c. The inner diameter of one end side of the lid 40 having the opening 40 b is formed to be the same as the outer diameter of the opening of the holding container 20. A thread groove 40 d that is screwed into a thread portion 21 c provided in the holding container 20 is formed at a predetermined portion of the cylindrical inner surface on one end side having the opening 40 b of the lid 40.

The opening 40c has a smaller diameter than the opening 40b. The inner diameter on the other end side of the lid 40 having the opening 40 c is formed to be substantially the same diameter as the outer diameter of the second side surface portion 30 d of the sponge 30.
The lid 40 having the above configuration is attached to the holding container 20. When the lid 40 is attached to the holding container 20, the skin contact surface 30b of the sponge 30 is exposed from the opening 40c. The lid 40 presses the sponge 30 in the direction of the holding container 20 from above. When the lid 40 is attached to the holding container 20, the inner edge of the opening 40 c on the opening 40 b side and the third side surface 30 e of the sponge 30 come into contact with each other. As a result, even if the skin contact surface 30b is directed to face the ground, the third side surface portion 30e is caught on the inner edge of the opening 40c on the opening 40b side, so the sponge 30 is used during use of the ultrasonic vibration cosmetic device 1. Will not fall out.

A voltage is applied to the lid 40 from the control circuit board 60 via the lead wire 62a and the holding container 20. As a result, the lid 40 functions as an electrode that is paired with the side electrode 55 provided in the housing 10. That is, the lid 40 functions as an electrode on the other electrode side with respect to the side electrode 55 during the treatment of the skin surface by the iontophoresis method. In addition, you may provide so that the conducting wire 62a may be directly connected to the lid | cover 40. FIG.
Here, the lid 40 and the sponge 30 have been described as separate members, but they are handled independently. For example, the sponge 30 is fixed to the lid 40 using an adhesive, and the lid 40 and the sponge 30 are combined into one piece. You may make it handle as a member.

(About the ultrasonic transducer 50)
The ultrasonic transducer 50 is made of titanium oxide, barium oxide, or the like. When a voltage is applied to the ultrasonic transducer 50, a piezoelectric effect is generated in the ultrasonic transducer 50, and, for example, mechanical displacement occurs in the thickness direction of the ultrasonic transducer 50. The ultrasonic transducer 50 according to the first embodiment is vibrated by applying a high-frequency voltage of a predetermined frequency (20 [kHz] to 300 [kHz]) from the control circuit board 60 via the conducting wire 63.
The ultrasonic vibrator 50 is a metal plate made of a resilient stainless steel plate or copper plate, or a lightweight, hard aluminum, titanium, duralumin, or the like metal, in order to complicate the vibration form or increase rigidity. May be stuck together.

The ultrasonic transducer 50 is located at a substantially central portion of the outer surface 22 b of the bottom surface portion 22 of the holding container 20. The ultrasonic transducer 50 is provided in close contact with the outer surface of the outer surface 22b. As a result, the vibration of the ultrasonic transducer 50 is efficiently transmitted to the holding container 20. Further, the heat generated by the vibration of the ultrasonic vibrator 50 moves to the holding container 20 and the sponge 30. As a result, an excessive temperature rise of the ultrasonic transducer 50 can be suppressed.
A thermistor 52 is attached to the ultrasonic transducer 50 via a grease 51 having viscosity and heat dissipation.

The thermistor 52 is connected to the control circuit board 60 by a conductive wire 64. The thermistor 52 is a thermometer for measuring the temperature of the ultrasonic transducer 50.
(Regarding the control circuit board 60)
Next, the control circuit board 60 will be described with reference to FIG. FIG. 3 is a functional block diagram showing electrical functions of the ultrasonic vibration cosmetic device 1. As shown in FIG. 3, the power supply circuit unit 161 is attached to and detached from the control circuit board 60 by electronic elements (for example, a capacitor, a coil, an IC chip, a memory, etc.) disposed on the control circuit board 60 shown in FIG. A detection unit 162, a first voltage application unit 163, a second voltage application unit 164, a temperature detection unit 165, a memory unit 166, and a control unit 167 for controlling them are formed.

The power supply circuit unit 161 supplies power to each element such as the charging control of the secondary battery 70, the ultrasonic transducer 50, and the side electrode 55. The power that is AC-DC converted by the AC adapter 1a is input to the power circuit 161 through the power terminal 11f.
The attachment / detachment detection unit 162 is connected to the attachment / detachment detection electrode 23 through a conducting wire 61. The attachment / detachment detection unit 162 can detect whether a resistance change due to a short circuit of the attachment / detachment detection electrode 23 or whether a current flows. Accordingly, the attachment / detachment detection unit 162 can detect attachment / detachment of the sponge 30 to / from the holding container 20.

The first voltage application unit 163 is connected to the ultrasonic transducer 50 through the conducting wire 63. The first voltage application unit 163 includes an oscillation circuit that generates a voltage to be applied to the ultrasonic transducer 50, a boosting circuit that boosts the oscillated voltage, and the like. The first voltage application unit 163 can apply a high-frequency voltage having a frequency of 20 [kHz] to 300 [kHz] to the ultrasonic transducer 50. The frequency of the high frequency voltage is desirably about 70 [kHz]. Conventionally, many cosmetic devices using ultrasonic waves vibrate an ultrasonic transducer at about 1 [MHz]. However, there are cases where it is difficult to efficiently emulsify square plugs clogged in pores and fat on the skin surface of the subject. By applying a high frequency voltage of 20 [kHz] to 300 [kHz] to the ultrasonic transducer 50 by the first voltage application unit 163, the plugs clogged in the pores and the oil on the skin surface of the subject can be efficiently removed. It can be emulsified.
The value of the high-frequency voltage applied to the ultrasonic transducer 50 for application is preferably about 100 [V] to 300 [V].

The 2nd voltage application part 164 is connected to the lid | cover 40 and the side electrode 55 through the conducting wire 62a and the conducting wire 62b. The second voltage application unit 164 includes an oscillation circuit for a voltage applied to the lid 40 and the side electrode 55, a boost circuit for boosting the oscillated voltage, and the like. The second voltage application unit 164 can apply a voltage having a frequency of 300 [Hz] to 1.5 [kHz] to the lid 40 and the side electrode 55. The voltage applied to the lid 40 and the side electrode 55 is preferably about 4 to 10 [V].
When the second voltage application unit 164 applies a high-frequency voltage to the lid 40 and the side electrode 55, the lid 40 and the side electrode 55 function as a pair of electrodes. A closed circuit is formed by the side electrode 55, the skin of the person to be treated, and the lid 40 by causing the lid 40 to contact the skin surface while the patient touches the side electrode 55, and a weak current is applied to the skin of the person to be treated. Flows. As a result, skin treatment can be performed by the iontophoresis method.

The temperature detection unit 165 functions as a thermometer together with the thermistor 52. The temperature detection unit 165 is connected to the thermistor 52 through the lead wire 64. The temperature detection unit 165 can detect the change in resistance of the thermistor 52 and detect the change as the temperature of the ultrasonic transducer 50. The temperature detection unit 165 outputs a value indicating the detected temperature of the ultrasonic transducer 50 to the control unit 167. The temperature detection unit 165 may detect a change in resistance of the thermistor 52 as the temperature of the holding container 20 or the sponge 30.
The memory unit 166 holds in advance one or more threshold values to be compared with firmware for operating the ultrasonic vibration cosmetic device 1 and the temperature of the ultrasonic transducer 50 detected by the temperature detection unit 165. The control unit 167 is connected to each unit such as the power supply circuit unit 161.

The control unit 167 performs display control of the display unit 80. In the first embodiment, the controller 167 performs LED lighting control. The control unit 167 detects a pressing operation of the switch 75 by the patient. In accordance with this result, the control unit 167 controls the first voltage application unit 163 to apply a voltage to the ultrasonic transducer 50, or controls the second voltage application unit 164 to apply the voltage to the lid 40 or the side electrode 55. Apply voltage.
The control unit 167 compares the value indicating the temperature of the ultrasonic transducer 50 output from the temperature detection unit 165 with the threshold stored in the memory unit 167. The memory unit 166 may hold only one threshold value. In such a case, when the value indicating the temperature of the ultrasonic transducer 50 is equal to or greater than the threshold, the control unit 167 controls the first voltage applying unit 163 so as not to apply a voltage to the ultrasonic transducer 50.
The memory unit 166 may hold a plurality of threshold values. In such a case, the control unit 167 applies the high frequency voltage to the ultrasonic transducer 50 with a different duty ratio every time the value indicating the temperature of the ultrasonic transducer 50 exceeds the threshold value. The voltage application unit 163 is controlled. Here, the “duty ratio” is the ratio of the time for turning on the application of the high-frequency voltage to the ultrasonic transducer 50 and the time for turning it off. That is, the high-frequency voltage may be intermittently applied to the ultrasonic transducer 50.

The control unit 167 controls the first voltage application unit 163 so that the timing at which the application of the high-frequency voltage to the ultrasonic transducer 50 is switched from the ON period to the OFF period is different every time the threshold is exceeded. Similarly, the control unit 167 controls the first voltage application unit 163 so that the timing at which the application of the high-frequency voltage to the ultrasonic transducer 50 is switched from the OFF period to the ON period is changed every time the threshold is exceeded.
As the control unit 167 controls the first voltage application unit 163 in this way, it is possible to prevent the ultrasonic transducer 50 or the holding container 20 from generating heat abnormally (so-called emptying state).
The control unit 167 determines whether or not the sponge 30 is inserted into the holding container 20 via the attachment / detachment detection electrode 23. When the control unit 167 determines that the sponge 30 is not inserted into the holding container 20, the control unit 167 controls the first voltage application unit 163 not to apply a voltage to the ultrasonic transducer 50. To do. This can also prevent the ultrasonic vibrator 50 or the holding container 20 from generating heat abnormally.

(Description of operation of ultrasonic vibration cosmetic device 1)
Next, the operation of the ultrasonic vibration cosmetic device 1 will be described. The ultrasonic vibration cosmetic device 1 is a device mainly intended for beauty treatment indoors or outdoors. The user performs beauty treatment using a commercial power source or the like at the user's home, or is carried in a bag or the like, and performs beauty treatment using the power of the secondary battery 70 at the destination.
In the ultrasonic vibration cosmetic device 1, the ultrasonic vibration propagates to the sponge 30 through the holding container 20 by driving the ultrasonic vibrator 50. As a result, the sponge 30 vibrates at high speed.

The person to be treated can perform a beauty treatment using the liquid exuded by pressing the skin contact surface 30b against the skin surface. According to the ultrasonic vibration cosmetic device 1, the skin surface of the person to be treated can be vibrated by the ultrasonic vibration of the sponge 30. This makes it easier for the liquid supplied to the skin surface to enter the pores of the patient. Sebum and square plugs clogged in the pores are emulsified by the liquid that has entered the pores. At this time, the emulsification is quickly performed by the vibration of the sponge 30. Furthermore, dirt emulsified by the vibration of the sponge 30 is easily struck out from the pores.
As described above, according to the ultrasonic vibration cosmetic device 1, the skin contact surface 30b is pressed against the skin surface, and the sebum and horn plugs clogged in the pores by ultrasonic vibration can be quickly emulsified without rubbing. Can be removed. Therefore, according to the ultrasonic vibration cosmetic device 1, it is possible to prevent the skin from being damaged by friction with the skin contact surface 30b. Furthermore, according to the ultrasonic vibration cosmetic device 1, it is possible to prevent the skin from being damaged by bubbles generated by cavitation by the sponge 30.

Cavitation is a phenomenon in which bubbles are generated by locally reducing the pressure applied to a liquid. When the bubbles burst, stress is applied to the skin surface, and the skin may be damaged. According to the ultrasonic vibration cosmetic device 1, the sponge 30 absorbs an impact at the time of rupture of bubbles generated by cavitation, so that the skin can be prevented from being damaged.
In short, according to the ultrasonic vibration cosmetic device 1, it is possible to remove sebum and square plugs clogged in the emulsified pores without damaging the skin surface by vibrating the sponge 30.

(Modification)
Although the first embodiment has been specifically described above, the present invention is not limited to this embodiment, and various modifications can be made without departing from the scope of the invention.
Hereinafter, various modifications of the present invention will be described. In the following description, portions corresponding to those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
[Modification 1]
A modification of the present invention will be described with reference to FIG. FIG. 4 is a diagram showing that the head unit can be replaced. As shown in FIG. 4, the sponge 30 may be detached from the holding container 20 and the brush body 130 may be attached to the holding container 20 instead.
The brush body 130 is configured by providing a plurality of rod-shaped members 130b in a protruding shape on a comb base 130a.

  The comb base 130a is made of, for example, plastic or hard rubber, and its cross-sectional shape corresponds to the sponge 30 shown in FIG. Therefore, the lid 40 presses the comb base 130 a against the holding container 20 similarly to the sponge 30, and stably fixes the comb base 130 a to the holding container 20. When the comb base 130a is mounted on the holding container 20, it is desirable that the frequency of the ultrasonic vibrator 50 be smaller than when the sponge 30 is mounted on the holding container 20 (for example, 20 [kHz]). -40 [kHz]). When the comb base 130a is mounted on the holding container 20, the control unit 167 determines that the comb base 130a is mounted on the holding container 20 if the attachment / detachment detection electrode 23 is in a non-short-circuit state. To do. The comb base 130a and the lid 40 may be integrally formed of the same material.

The rod-shaped member 130b is a pin-shaped member made of plastic, hard rubber, horse hair, artificial fiber, or the like. The bar-shaped member 130b can give mechanical stimulation to the skin surface of the patient. Giving such a mechanical stimulus to the skin surface is called tapping. By tapping, a massage effect such as blood flow promotion can be given to the skin.
The above is the description of the first modification. In the first modification, the brush body 130 has a brush shape, but the brush body 130 is not limited to this shape. For example, the brush body 130 may be formed in a comb shape in which a plurality of rod-shaped members 130b are arranged in a row at predetermined intervals. Moreover, you may comprise the brush body 130 so that it may have a comb-shaped part and a brush-shaped part.

[Modification 2]
Next, an ultrasonic vibration cosmetic device 2 which is a second modification of the present invention is shown in FIGS. FIG. 5 is a partial cross-sectional view of the head portion of an ultrasonic vibration cosmetic device 2 which is a modification of the ultrasonic vibration cosmetic device 1. FIG. 6 is a functional block diagram showing electrical functions of the ultrasonic vibration cosmetic device 2.
As shown in FIG. 5, in the ultrasonic vibration cosmetic device 2, the eccentric motor 170 is in close contact with the outer surface of the bottom surface portion 22 of the holding container 20 so as to be adjacent to the ultrasonic transducer 50.
As shown in FIG. 6, the ultrasonic vibration cosmetic device 2 includes a control circuit board 160 corresponding to the control circuit board 60. The control circuit board 160 includes a third voltage application unit 168 that drives the eccentric motor 170 via the conducting wire 65. The third voltage application unit 168 supplies a DC voltage to the eccentric motor 170. The eccentric motor 170 rotates at 18000 [rpm], for example. That is, the rotating shaft (not shown) of the eccentric motor 170 rotates at 300 [Hz]. In short, by driving the eccentric motor 170 under the control of the third voltage application unit 168, 300 [Hz] vibration can be applied to the holding container 20 in addition to the vibration of the ultrasonic transducer 50. The vibration power of the eccentric motor 170 is larger than the vibration power of the ultrasonic vibrator 50, and the holding container 20 can be vibrated more strongly.
As shown by a broken line in FIG. 5, the eccentric motor 170 may be provided in close contact with the surface 12 b of the head base portion 12 inside the housing 10.

[Other variations]
The partial configurations illustrated in the first embodiment and the first and second modified examples 1 and 2 described above can be combined as appropriate, or can be configured to exclude a specific configuration. For example, a configuration without the attachment / detachment detection electrode 23 may be adopted. For example, a configuration without the side electrode 55 may be adopted. The lid 40 may be formed by processing plastic instead of metal. A structure in which the sponge 30 or the comb base 130a cannot be detached from the holding container 20 may be employed. For example, a sponge having higher rigidity than the sponge 30 of the first embodiment may be attached to the holding container 20. By having such a sponge, the ultrasonic vibration cosmetics 1 and 2 can be used not only for cleaning the skin, but also for applications such as driving a foundation.

  DESCRIPTION OF SYMBOLS 1, 2 ... Ultrasonic vibration cosmetic device, 10 ... Housing | casing, 11 ... Main-body part, 11a ... Front part, 11b ... Back part, 11c, 11d ... Side part, 11e ... Bottom part, 11f ... Power supply terminal, 12 ... Head Base part, 12 ... back surface part, 12a ... opening, 13 ... supporting bush rubber, 13b ... side face part, 20 ... holding container, 20a ... side face part, 21 ... wall surface part, 21a ... inner peripheral face, 21b ... outer peripheral face , 21c ... mountain portion, 21d ... flange, 22 ... bottom surface portion, 22a ... inner surface, 23 ... attachment / detachment detection electrode, 30 ... sponge, 30a ... bottom surface portion, 30b ... skin contact surface, 30c, 30d, 30e ... side surface portion, 40 ... Lid, 40a ... Tapered part, 40b, 40c ... Opening, 40d ... Screw groove, 50 ... Ultrasonic vibrator, 51 ... Grease, 52 ... Thermistor, 55 ... Side electrode, 60 ... Control circuit board, 61, 62a, 62b , 63, 64, ... conducting wire 70 ... secondary battery, 75 ... switch, 80 ... display unit, 130 ... brush, 130a ... base, 130b ... rod-shaped member, 161 ... power supply circuit unit, 162 ... detection unit, 163 ... first voltage application unit, 164 ... 2nd voltage application part, 165 ... temperature detection part, 166 ... control part, 166 ... memory part, 167 ... control part, 168 ... 3rd voltage application part, 170 ... eccentric motor.

Claims (8)

A porous liquid retaining member having a treatment surface that comes into contact with the skin of the user;
A bottomed cylindrical storage member for storing the liquid retaining member with the upper portion including the treatment surface exposed; and
A lid that is fixed to an edge of the storage member on the opening side, and that presses and fixes the liquid retaining member in the storage member while exposing the treatment surface from an opening provided on the top;
An ultrasonic transducer that is disposed in contact with the bottom surface of the storage member and vibrates the liquid retaining member via the storage member;
A power supply controller that applies a high-frequency voltage of 20 kHz to 300 kHz to the ultrasonic transducer;
An ultrasonic vibration cosmetic device comprising: a portable housing that integrally holds the liquid retaining member, the storage member, the lid, the ultrasonic transducer, and the power control unit.   The ultrasonic vibration cosmetic device according to claim 1, wherein a skin surface stimulating member having a protrusion for applying mechanical stimulation to the skin of the liquid retaining member or the person to be treated is detachably attached to the housing member.   The ultrasonic vibration cosmetic device according to claim 1, wherein the housing member is attached to the housing via an elastic body.   The ultrasonic vibration cosmetic device according to any one of claims 1 to 3, wherein the liquid retaining member is a sponge having elasticity having an average pore diameter of 100 µm to 5 mm and capable of absorbing liquid.   The lid is formed of a conductive member, and the case is provided with an electrode that contacts the hand of a practitioner who holds the case, and the power control unit is provided between the lid and the electrode. The ultrasonic vibration cosmetic device according to any one of claims 1 to 4, wherein a voltage is further applied to the device.   A thermometer for measuring the temperature of the ultrasonic vibrator or the storage member is further provided, and the power supply control unit is configured to turn on voltage application to the ultrasonic vibrator according to the temperature measured by the thermometer, or The ultrasonic vibration cosmetic device according to any one of claims 1 to 5, wherein the OFF time is variably controlled.   The power supply control unit further includes a detection unit that detects attachment / detachment of the liquid holding member to / from the storage member, and when the detection unit detects that the liquid holding member is not attached, The ultrasonic vibration cosmetic device according to any one of claims 1 to 6, wherein no voltage is supplied to the device.   The ultrasonic vibration cosmetic device according to any one of claims 1 to 7, further comprising a vibration motor that vibrates the housing member.

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