JPH07222782A - Cosmetic treatment device - Google Patents

Abstract

PURPOSE:To use a warmed pad and a cool one concurrently in one cosmetic treatment device by a method wherein the pad for skin massage using the ultrasonic vibration is properly warmed by using the exhaust heat of the electronic cooling element. CONSTITUTION:This device is provided with a heating pad 2 at one end and a cooling pad 3 at the other end. The endothermic part of the electronic cooling element is attached to the rear of the cooling pad 3 and a thermal conduction means is placed between the heat generation part of the electronic cooling element and the heating pad 2. On the rear of the heating pad 2, the piezo- electronic element which produces ultrasonic vibration is provided. The electronic cooling element automatically adjusts the temperature of the cooling pad 3 enough to be lower than the body temperature in the range not to be frozen regardless of the surrounding temperature. The thermal conduction means consists of a heat radiation means which automatically adjusts the temperature of the pad 2 to the prescribed one close to the body temperature regardless of the temperature of the heat generation part of the electronic cooling element and a shape memory alloy spring which conducts the proper heat to the pad 2 by intermittently touching the heat radiation means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling pad using an electronic cooling element, and a beauty tool equipped with a heating pad utilizing the heat radiation thereof.

[0002]

2. Description of the Related Art Conventionally, a beauty device that activates metabolism by activating the cells on the skin surface by generating ultrasonic vibrations by utilizing a piezoelectric element or the like on a pad that contacts the skin surface. It has been known. There is also known a beauty device that tries to obtain the same effect by warming the skin surface using infrared rays or the like. However, if the warm-feeling is applied excessively, there is a risk of low-temperature burns, and keratin water is also easily lost, so it is essential to cool the skin with ice or the like. However, considering the distance between the place where skin care is performed and the refrigerator, it is troublesome to use ice for daily skin care, and since it melts in a short time, there is a problem that it cannot be maintained calmly.

Therefore, it is considered that the usability will be improved by providing a cooling pad in place of ice by using the electronic cooling element. The electronic cooling element is, for example, a Peltier element and has a function of lowering the temperature of the heat absorbing portion when a current is passed. By using this element, a small and lightweight cooling pad can be realized, and thus a handheld beauty device can be obtained.

[0004]

As described above, it is considered that a simple cooling pad can be realized by using the electronic cooling element. However, the electronic cooling element generates heat to dissipate the heat energy absorbed by the heat absorbing portion. It has a section. The amount of heat generated by the heat generating portion is considerable, and unless a heat radiator with a large capacity is used to efficiently dissipate the heat, an abnormal temperature rise of the heat generating portion may be caused and the electronic cooling element may be damaged. On the other hand, the above-mentioned pad for skin massage using ultrasonic vibration is generally made of metal, and since it is used by applying a special beauty essence to enhance the adhesion effect to the skin, There was a problem that the moment you hit it felt cold. Therefore, if this skin massage pad is appropriately warmed by the exhaust heat of the electronic cooling element, it is considered that the warm pad and the cold pad can be used together in one beauty tool, which is convenient.

[0005]

In order to solve the above-mentioned problems, in the beauty device of the present invention, a heating pad is provided at one end and a cooling pad is provided at the other end to cool the heat absorbing portion of the electronic cooling element. It is characterized in that it is mounted on the back surface of the pad, and a heat conducting means is interposed between the heating portion of the electronic cooling element and the heating pad. Here, it is preferable that the electronic cooling element includes means for automatically adjusting the temperature of the cooling pad to a predetermined temperature sufficiently lower than human skin, regardless of the ambient temperature, in a range where the temperature does not freeze. Further, it is preferable that the heat conduction means is means for automatically adjusting the temperature of the heating pad to a predetermined temperature close to human skin regardless of the temperature of the heat generating portion of the electronic cooling element. The means is composed of a heat radiating means mounted on the heat generating portion of the electronic cooling element, and a metal spring body that contacts the heat radiating means and transfers heat to the heating pad. This metal spring body contracts when a predetermined temperature close to human skin is exceeded to thermally separate the heating pad and the heat radiating means, and when the temperature falls below the temperature, expands to extend the heating pad and the heat radiation. It is preferred to use a shape memory alloy spring body which thermally couples the means. The preferred temperature range for the heating pad is 35 ° C to 42 ° C, and the preferred temperature range for the cooling pad is 1 ° C to 10 ° C. A piezoelectric element that generates ultrasonic vibrations is preferably provided on the back surface of the heating pad. Further, if the grip is attached to the main body provided with the heating pad and the cooling pad in a substantially vertical direction, the usability is improved.

[0006]

According to the present invention, the heating pad is provided at one end and the cooling pad is provided at the other end, and the heat absorbing portion of the electronic cooling element is mounted on the back surface of the cooling pad. Since the heat conducting means is interposed between the heating pad and the cooling pad, the heating pad and the cooling pad can be alternately applied to the skin, which is very convenient. Further, in order to heat the heating pad, it is not necessary to separately use a heat generating means such as a nichrome wire, and since the heating pad is heated by using the exhaust heat of the electronic cooling element, the thermal efficiency becomes high, In addition to saving power, miniaturization is also possible. From the viewpoint of preventing freezing, the temperature of the cooling pad is preferably set to a temperature sufficiently lower than that of human skin within the range of not lower than 0 ° C. This can be realized by detecting the temperature of the cooling pad using a temperature sensitive element such as a thermistor and automatically controlling the amount of electricity supplied to the electronic cooling element.

By the way, when the ambient temperature is high such as in summer, it is necessary to cool the cooling pad strongly, and the amount of electricity supplied to the electronic cooling element increases. Further, when the ambient temperature is low such as in winter, it is only necessary to cool the cooling pad a little, and the amount of electricity supplied to the electronic cooling element decreases. Therefore,
The heat generation amount from the heat generating portion of the electronic cooling element increases as the ambient temperature increases, and decreases as the ambient temperature decreases. Therefore, if the thermal conductivity from the electronic cooling element to the heating pad is constant, the heating pad becomes abnormally hot when the ambient temperature is high. Therefore, in the present invention, for example, the shape memory alloy spring body is used to set the temperature of the heating pad to a temperature close to that of human skin, in the range of 35 ° C to 42 ° C, and more preferably 36 ° C to 3 ° C.
A function to automatically adjust to the range of 8 ℃ is added. The shape memory alloy spring body is mounted so as to detect the temperature of the heating pad, and is designed to expand and contact the heat dissipation means of the electronic cooling element when the temperature of the heating pad falls below 36 ° C. If the temperature of the heat radiating means is set to a temperature higher than that of human skin regardless of the ambient temperature, the temperature of the heating pad rises due to heat conduction through the shape memory alloy spring body. When the temperature of the heating pad exceeds 38 ° C., the shape memory alloy spring body contracts and is designed to be separated from the heat dissipation means of the electronic cooling element. As a result, the temperature of the heating pad does not exceed 38 ° C., and the temperature of the heating pad is maintained at a predetermined temperature close to human skin regardless of the ambient temperature.

[0008]

1 is a front view showing the appearance of an embodiment of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a sectional view. A heating pad 2 is provided at one end of a tubular body 1 of the beauty tool, and a cooling pad 3 is provided at the other end. A grip 4 is attached to the tubular body 1 in a substantially vertical direction. A power cord 5 is led out from the end of the grip 4. A piezoelectric element 6 for generating ultrasonic vibration is mounted on the back surface of the heating pad 2. An electric signal in the ultrasonic frequency band is supplied to the piezoelectric element 6 from an oscillation circuit built in the grip 4. The heat absorbing portion of the electronic cooling element 7 is attached to the back surface of the cooling pad 3. A first heat radiating plate 8 is attached to the heat generating portion of the electronic cooling element 7. First heat sink 8 and second
Radiating fins 10 are provided between the radiator plates 9. The temperature of the second heat dissipation plate 9 is, for example, 40 ° C to 60 ° C.
The number of radiating fins 10 is designed to be within the range.

A shape memory alloy spring body 11 is mounted on the back surface of the heating pad 2. Shape memory alloy spring body 11
Is thermally coupled to the heating pad 2, and when the temperature of the heating pad 2 falls below 36 ° C., for example, it extends in the axial direction and comes into contact with the second heat dissipation plate 9. As described above, since the temperature of the second heat dissipation plate 9 is set to a high temperature of 40 ° C. or higher,
The temperature of the heating pad 2 rises due to heat conduction through the shape memory alloy spring body 11. For example, the temperature of the heating pad 2 is 3
When the temperature exceeds 8 ° C., the shape memory alloy spring body 11 contracts in the axial direction and separates from the second heat dissipation plate 9. As a result, the heating pad 2 is thermally insulated from the second heat dissipation plate 9, and the temperature is lowered. By repeating this operation, the temperature of the heating pad 2 is maintained in the range of 36 ° C to 38 ° C, for example.

The O-rings 12 and 13 interposed between the heating pad 2 and the second heat radiating plate 9 are made of rubber, for example, and have a lower thermal conductivity than metal, so that the second heat radiating is performed. Board 9
The heat conduction from the heating pad 2 to the heating pad 2 is minute. The heating pad 2 includes an O-ring 14 and a cap 15 for the inner cylinder 1
It is attached to one end of 6. In this way, the heating pad 2
Is supported by elastic O-rings 12 to 14, so when ultrasonic vibration is applied by the piezoelectric element 6, only the heating pad 2 vibrates and the inner cylinder 16 does not vibrate. Further, even when the shape memory alloy spring body 11 is in contact with the second heat radiating plate 9, the vibration is blocked by the elasticity of the shape memory alloy spring body 11, so that the second heat radiating plate 9 does not vibrate. It can be prevented.

Next, the cooling pad 3 is attached to the other end of the inner cylinder 16 by an O-ring 17 and a cap 18. To fix the inner cylinder 16 and the caps 15 and 18 to each other, a male screw portion formed on the outer peripheral portion of the inner cylinder 16 and a female screw portion formed on the inner peripheral portions of the caps 15 and 18 are screwed together. is there.
As a result, an appropriate pressure can be applied to the O-rings 12 to 14 and 17.

Although not shown in the drawing near the cooling pad 3,
A thermosensitive element such as a thermistor is provided, and the detected temperature is in the range of 1 ° C to 10 ° C, more preferably 1 ° C to 3 ° C.
The energization amount of the electronic cooling element 7 is automatically adjusted so as to be in the range of ° C. Since the electronic cooling element 7 is driven by DC current, a rectifier circuit for converting AC power obtained from the power cord 5 into DC current is necessary.
Such an electric circuit is housed in the grip 4.

[0013]

According to the invention of claim 1, a heating pad is provided at one end and a cooling pad is provided at the other end, and the heat absorbing portion of the electronic cooling element is mounted on the back surface of the cooling pad to generate heat from the electronic cooling element. Since the heat conduction means is interposed between the heating section and the heating pad, one beauty tool can be used as both the heating pad and the cooling pad, which has the effect of improving usability. Since the heating pad is heated by the exhaust heat from the heat generating part of the electronic cooling element, there is no need to use another heat generating element, the thermal efficiency is high and energy can be saved, and size can be reduced, and the manufacturing cost is also high. There is an effect that it can be reduced.

According to the second aspect of the present invention, the electronic cooling element is provided with means for automatically adjusting the temperature of the cooling pad to a predetermined temperature sufficiently lower than that of human skin, regardless of the ambient temperature. Therefore, it is possible to prevent inconveniences such as perspiration and beauty liquid frozen on the surface of the cooling pad from being frozen, and to prevent damage to the skin.

According to the third aspect of the invention, the heat conducting means has a function of automatically adjusting the temperature of the heating pad to a predetermined temperature close to human skin regardless of the temperature of the heat generating portion of the electronic cooling element. Since it is added, there is no discomfort when touching the heating pad, a comfortable feeling can be obtained, and damage to the skin can be prevented.

In a fourth aspect of the present invention, the heat conducting means is constituted by a heat radiating means mounted on the heat generating portion of the electronic cooling element and a metal spring body which is in contact with the heat radiating means and transfers heat to the heating pad. Since the metal spring body follows the vibration even when the heating pad vibrates, good heat conductivity can be obtained.

In a fifth aspect of the invention, when the metal spring body exceeds a predetermined temperature close to human skin, the metal spring body contracts to thermally separate the heating pad and the heat radiating means, and falls below the temperature. Since it is made of a shape memory alloy spring body that extends and thermally couples the heating pad and the heat radiating means, it is a mechanism that is simple and hard to break, but it enables highly accurate temperature control and can be applied to the skin. There is an effect that the damage of can be surely prevented.

According to the sixth aspect of the present invention, the temperature of the heating pad is set in the range of 35 ° C. to 42 ° C. Therefore, an appropriate warm feeling can be obtained at the moment when the heating pad is touched. It has the effect of preventing damage to the skin without the risk of abnormal sweating or low-temperature burns.

In the invention of claim 7, since the temperature of the cooling pad is set in the range of 1 to 10 ° C., it is possible to prevent the inconvenience that the sweat and the beauty essence adhering to the surface of the cooling pad are frozen. It is effective in preventing damage to the skin.

According to the invention of claim 8, since a piezoelectric element for generating ultrasonic vibration is provided on the back surface of the heating pad, ultrasonic vibration can be applied while heating the skin surface.
Compared with the case where the warming effect and the massage effect are used individually, the synergistic action of the two can promote the metabolism of cells, and an excellent skin-beautifying effect can be obtained. Further, since the temperature can be set lower than when only the warming effect is used and the vibration can be set weaker than when only the massage effect is used, it is clear that the combination of both effects can reduce the damage to the skin. .

In the ninth aspect of the invention, since the grip is mounted on the main body provided with the heating pad and the cooling pad in a substantially vertical direction, the heating pad and the cooling pad can be replaced by simply changing the grip 180 degrees. It can be used alternately, improving usability. It should be noted that the position where the grip is attached may be symmetrical with respect to the heating pad and the cooling pad, but as shown in FIG. 1, if the grip is attached asymmetrically, the heating pad and the cooling pad will be separated. There is also an effect that it can be easily identified. Of course, the heating pad and the cooling pad may be identified by being colored by gold and silver, respectively.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a side view of an embodiment of the present invention.

FIG. 3 is a sectional view of an embodiment of the present invention.

[Explanation of symbols]

 1 Cylindrical body 2 Heating pad 3 Cooling pad 4 Grip 5 Power cord 6 Piezoelectric element 7 Electronic cooling element

Claims (9)

[Claims] 1. A heating pad is provided at one end and a cooling pad is provided at the other end, and a heat absorbing portion of the electronic cooling element is mounted on the back surface of the cooling pad, and heat conduction is performed between the heating portion of the electronic cooling element and the heating pad. A beauty instrument characterized by having means interposed. 2. The electronic cooling element comprises means for automatically adjusting the temperature of the cooling pad to a predetermined temperature sufficiently lower than human skin within a range where the temperature does not freeze, regardless of the ambient temperature. The beauty instrument according to 1. 3. The heat conducting means is means for automatically adjusting the temperature of the heating pad to a predetermined temperature close to human skin regardless of the temperature of the heat generating portion of the electronic cooling element. Item 1. The beauty instrument according to item 1 or 2. 4. The heat conducting means is composed of a heat radiating means mounted on a heat generating portion of the electronic cooling element, and a metal spring body which is in contact with the heat radiating means and transfers heat to a heating pad. The beauty device according to claim 3. 5. The metal spring body contracts when the temperature exceeds a predetermined temperature close to human skin to thermally separate the heating pad and the heat radiating means, and when the temperature falls below the temperature, the metal spring body extends to expand the heating pad. 5. A beauty tool according to claim 4, which is composed of a shape memory alloy spring body that thermally couples the heat radiation means with the heat radiation means. 6. The temperature of the heating pad is 35 ° C. to 42 ° C.
The beauty instrument according to claim 1, wherein the beauty instrument is in the range of ° C. 7. The temperature of the cooling pad is 1 ° C. to 10 ° C.
The beauty device according to claim 1, wherein 8. The beauty tool according to claim 1, further comprising a piezoelectric element that generates ultrasonic vibration on the back surface of the heating pad. 9. The beauty tool according to claim 1, wherein a grip is attached to a main body provided with the heating pad and the cooling pad in a substantially vertical direction.