KR102441740B1 - A skin care device - Google Patents

Abstract

A skin care device is provided. A skin care device according to an exemplary embodiment of the present invention includes: a body including a first surface having a predetermined area; two contact terminals spaced apart from each other on the first surface and generating a potential difference on the user's skin when power is applied to change the electrical environment of the user's skin; two sensing terminals spaced apart from each other on the first surface and configured to sense oil and moisture of the user's skin when power is applied; a plurality of light sources mounted on a circuit board disposed inside the main body to be positioned at the rear of the first surface and irradiating light of different wavelength bands; and a control unit for controlling overall driving.

Description

Skin care device {A skin care device}

The present invention relates to a skin care device.

In general, skin care devices are largely divided into skin care devices that deliver ultrasonic waves to the user's skin, and skin care devices that apply electric current.

That is, a skin care device using ultrasound is a method that physically taps the skin, and a skin care device that applies an electric current to the user's skin ionizes sebum or wastes by applying an electric current to the user's skin to remove it from the skin, or to remove skin nutrients from the skin. It is a way to be deeply absorbed.

Such a skin care device can exhibit an optimal effect only when used appropriately according to the user's skin condition. For example, if an appropriate electrical stimulation is applied according to the moisture and oil conditions of the user's skin, the skin improvement effect can be increased. can do it

On the other hand, the user's skin changes every moment in a moisture state and an oily state according to time or environment. Accordingly, the user needs to accurately diagnose the current skin condition before using the skin care device.

However, there is a problem in that the conventional skin care device can only apply electrical stimulation and cannot diagnose the user's current skin condition when used.

US 10-2014-0039459 A

The present invention has been devised in view of the above points, and an object of the present invention is to provide a skin care device capable of diagnosing a user's skin condition and performing skin care suitable for the diagnosed skin condition.

In order to solve the above problems, the present invention provides a body including a first surface having a predetermined area; two contact terminals spaced apart from each other on the first surface and generating a potential difference on the user's skin when power is applied to change the electrical environment of the user's skin; two sensing terminals spaced apart from each other on the first surface and configured to sense information on oil and moisture of the user's skin when power is applied; a plurality of light sources mounted on a circuit board disposed inside the main body to be positioned at the rear of the first surface and irradiating light of different wavelength bands; and a control unit for controlling the overall driving; provides a skin care device comprising a.

In addition, the two contact terminals and the two sensing terminals may be arranged in an annular shape along the periphery of the rim side of the first surface, and the two sensing terminals may be arranged to be positioned between the two contact terminals. have.

In addition, the first surface may be formed as an inclined surface, and the first surface may be an upper surface of the main body.

In addition, the two sensing terminals may be disposed to be positioned on the upper end side of the inclined surface.

In addition, the contact surface of the sensing terminal in contact with the user's skin may be formed to have a relatively narrower area than the contact surface of the contact terminal in contact with the user's skin.

In addition, the first surface may include a light-transmitting member integrally formed inside to emit the light generated by the light source to the outside.

In addition, the skin care device may further include a proximity sensor mounted on the circuit board.

In addition, the proximity sensor may be disposed to be located at a position relatively closer to the two sensing terminals than the plurality of light sources.

In this case, the control unit, when the two contact terminals are in a non-contact state with the user's skin in a state in which the light source is turned on, and the separation distance from the user's skin measured through the proximity sensor exceeds a preset distance, the light source can be changed to off state.

In addition, the control unit determines the lighting state of the light source when the two contact terminals are in a non-contact state with the user's skin in a state in which the light source is turned on, and the separation distance from the user's skin measured through the proximity sensor is within a preset distance can keep

In addition, the two contact terminals and the two sensing terminals may be in contact with a plurality of elastic terminals mounted on the circuit board to be electrically connected to the circuit board.

In addition, the skin care device may further include a plurality of indicator LEDs built into the body to emit light according to the user's oil and moisture state information measured through the two sensing terminals.

In addition, the body may be formed to have a relatively wider width from the top to the bottom.

In addition, the main body may include a case having an inner space with an open upper portion and an annular connecting member integrally formed on the open upper rim side of the case, and the two contact terminals and the two sensing terminals are It may be formed integrally with the connecting member.

According to the present invention, after the user accurately diagnoses the skin condition for oil and moisture through one device, the device can be operated in a mode suitable for the diagnosed skin condition. Through this, the user can manage his or her skin in an optimal state.

1 is a view showing a skin care device according to an embodiment of the present invention;
Figure 2 is an exploded view of Figure 1;
3 is a view showing a state in which a part of the case is cut in FIG. 1 and viewed from the direction AA;
4 is a view showing a state in which a part of the case is cut in FIG. 1 and viewed from the BB direction;
5 is a view showing a state in which a connection member, a light-transmitting member, a contact terminal and a sensing terminal that are forcibly separated from the case of FIG. 1 are coupled;
6 is a view in which a connection member, a light-transmitting member, a contact terminal and a sensing terminal are forcibly separated from FIG. 5;
Figure 7 is a view showing a configuration built in the interior of the body in Figure 1, and,
8 is an exploded view of FIG. 7 .

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are added to the same or similar components throughout the specification.

As shown in FIGS. 1 and 2, the skin care device 100 according to an embodiment of the present invention includes a body 110, two contact terminals 120a and 120b, two sensing terminals 130a and 130b, It includes a plurality of light sources 142 and a control unit.

The main body 110 forms an overall external shape, and various components such as a light source 142 , circuit boards 144 , 154 , 182 , and a battery 160 can be accommodated therein.

To this end, the body 110 may include a case 111 having an inner space.

For example, the case 111 may include an upper case 111a having an open lower portion and a lower case 111b having an open upper portion, and the upper case 111a has a lower side of the lower case 111b. It may be detachably coupled to the upper side of the.

In this case, the main body 110 may include a first surface having a predetermined area, and the first surface is arranged in which the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b are disposed. can be cotton

For example, the first surface may be the upper surface of the main body 110 , the upper surface of the main body 110 may be the upper surface of the case 111 , and the upper surface of the case 111 on which the first surface is formed. may be the upper surface of the upper case 111a.

At this time, in the skin care device 100 according to an embodiment of the present invention, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b may be disposed on the first surface as described above. and the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b may protrude from the first surface at a predetermined height.

For this reason, when the user brings the first surface into contact with the skin side, the contact area of the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b with the user's skin may be increased.

In addition, the first surface may be formed as an inclined surface having a predetermined inclination.

As a non-limiting example, the inclined surface may be formed so that the right side has a relatively lower height than the left side with respect to the bottom surface of the case 111 based on the drawing of FIG. 1 .

In this case, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b disposed on the inclined surface may be disposed on the inclined surface, and the two contact terminals 120a and 120b and the two The sensing terminals 130a and 130b may protrude at a predetermined height from the inclined surface.

Accordingly, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b disposed on the inclined surface may be disposed to have a predetermined inclination with respect to the horizontal plane.

For this reason, even if the user does not excessively bend the wrist while holding a part of the main body 110, if the inclined surface moves toward the user's skin, the two contact terminals 120a and 120b and the two sensing terminals ( 130a and 130b) may be in contact with the user's skin smoothly.

In this case, the main body 110 may include a light-transmitting member 113 so that the light generated from the light source 142 can be emitted from the inside of the main body 110 to the outside, and the light-transmitting member 113 is It may be disposed to be located inside the first surface.

To this end, the main body 110 includes an annular connecting member 112 integrally formed with the case 111 together with the above-described case 111 and a light-transmitting member integrally formed with the annular connecting member 112 . (113) may be included.

For example, the case 111 may have an open upper portion of the upper case 111a, and the annular connecting member 112 may be integrally formed on the open upper rim side of the upper case 111a. can In addition, the light-transmitting member 113 may have an edge side formed integrally with the connecting member 112 .

In addition, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b may be disposed along the connecting member 112 , and the two contact terminals 120a and 120b and the two sensing terminals may be disposed along the connecting member 112 . The terminals 130a and 130b may be integrally formed with the connecting member 112 .

As a non-limiting example, the upper case 111a, the connecting member 112, the two contact terminals 120a and 120b, the two sensing terminals 130a and 130b and the light transmitting member 113 are integrated through insert molding. can be

That is, the two contact terminals 120a and 120b, the two sensing terminals 130a and 130b and the light-transmitting member 113 are physically separated from each other as shown in FIG. can be integrated with each other through primary insert molding to form.

And the upper case ( 111a) is formed, the connection member 112 and the upper case 111a in a state in which the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b are fixed to the connection member 112. can be integrated with each other.

Accordingly, in the skin care device 100 according to an embodiment of the present invention, the upper surface of the connection member 112 may form the first surface of the main body 110 , and is integral with the connection member 112 . The two contact terminals 120a and 120b and the two sensing terminals 130a and 130b formed by may be arranged in an annular shape along the connecting member 112 forming the first surface.

Through this, the two contact terminals (120a, 120b) and the two sensing terminals (130a, 130b) can be arranged in an annular shape along the periphery of the rim side of the first surface, and the light-transmitting member 113 is It may be disposed to be located inside the connecting member 112 .

For this reason, in the skin beauty device 100 according to an embodiment of the present invention, when the user touches the first surface to the skin side, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b ) may be in direct contact with the user's skin, and light emitted to the outside through the light-transmitting member 113 may be irradiated toward the user's skin.

In addition, in the skin care device 100 according to an embodiment of the present invention, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b are connected to the connecting member 112 through primary insert molding. and the connection member 112 and the upper case 111a are integrated through secondary insert molding in a state in which the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b are integrated with the first It may be arranged in an annularly aligned state along the edge of the surface.

In addition, in the skin care device 100 according to an embodiment of the present invention, the two contact terminals 120a and 120b, the two sensing terminals 130a and 130b, the light-transmitting member 113, the connecting member 112 and Since the upper case 111a is integrally formed, the upper case 111a and the lower case 111b are inserted into the frame 170 to which various parts are fastened, and then the upper case 111a and When the lower case 111b is coupled to each other, all parts can be easily assembled.

On the other hand, the skin beauty device 100 according to an embodiment of the present invention may be formed in an overall shape of a narrow upper portion and a wide lower portion.

For example, the body 110 may be formed to have a relatively wider width from the top to the bottom as shown in FIG. 3 .

Through this, when the user grips the lower side of the main body 110 having a relatively wider width, the user can increase the grip and stably hold the main body 110 .

For this reason, when the skin care device 100 according to an embodiment of the present invention cares for a region with severe curvature such as a face, even if the user rubs a region with severe curvature such as the face, the skin care device 100 can be used by the user It can be prevented from falling out of the hands of

The two contact terminals 120a and 120b may change the electrical environment of the user's skin by generating a potential difference on the user's skin when power is applied. Through this, the two contact terminals (120a, 120b) can increase the skin permeation of the ionic drug.

That is, the two contact terminals 120a and 120b may implement a known iontophoresis function. Through this, the skin beauty device 100 according to an embodiment of the present invention uses the power supplied from the battery 160 when power is applied while the two contact terminals 120a and 120b are in contact with the user's skin. Thus, direct current can be applied to the user's body side, and the user's skin and the two contact terminals 120a and 120b constitute a closed circuit to move ions.

In addition, a voltage drop may occur between the two contact terminals 120a and 120b due to the user's skin resistance when power is applied. Through this, the controller may determine whether the two contact terminals 120a and 120b are in contact with the user's skin.

To this end, the two contact terminals 120a and 120b may be spaced apart from each other on the first surface of the main body 110 as described above. That is, in the skin care device 100 according to an embodiment of the present invention, the two contact terminals 120a and 120b for the iontophoresis function are fixed to the first surface, which is the same surface, in a spaced apart state from each other. bi-polar).

Accordingly, when the user touches the first surface to the body part in a state where cosmetics are applied to the body part to be cared for, the two contact terminals 120a and 120b spaced apart on the same plane are separated from the body part. can be simultaneously contacted.

In this case, the two contact terminals 120a and 120b may include a first skin contact surface 121 having a predetermined area as shown in FIG. 1 . Through this, the two contact terminals 120a and 120b may be in contact with the user's skin over a large area through the first skin contact surface 121 .

In addition, as shown in FIG. 6 , the two contact terminals 120a and 120b may each include a first extension part 122 extending downward a predetermined length from the edge of the first skin contact surface 121 . . Through this, when the two contact terminals 120a and 120b are integrated with the connection member 112 through insert molding, they are to be firmly fixed to the side of the connection member 112 through the first extension part 122. can

In addition, the two contact terminals 120a and 120b may each include a plate-shaped first terminal contact surface 123 bent in one direction from the end of the first extension portion 122, and the plate-shaped first terminal As shown in FIG. 5 , the contact surface 123 may be disposed to be exposed to the outside of the connection member 112 .

The first terminal contact surface 123 may be in direct contact with the elastic terminal 124 mounted on the circuit board 144 . Through this, the two contact terminals 120a and 120b may be electrically connected to the circuit board 144 through the respective first terminal contact surfaces 123 in contact with the elastic terminals 124 , and the battery 160 . ) may be applied to the two contact terminals 120a and 120b through the circuit board 144 .

Here, the elastic terminal 124 may be made of a material having electrical conductivity and elastic force, and at least a part thereof may be elastically deformed.

The two sensing terminals 130a and 130b may sense information on oil and moisture of the user's skin when power is applied. That is, when power is applied to the two sensing terminals 130a and 130b while in contact with the user's skin, an electrical signal may be generated according to the moisture and oil content of the user's skin.

In this case, the control unit may have a built-in moisture and oil measurement program code.

Through this, when an electrical signal is input to the control unit through the two sensing terminals 130a and 130b in the skin beauty device 100 according to an embodiment of the present invention, the control unit controls the user's skin based on the previously input comparison value. can determine the current state of

To this end, the two sensing terminals 130a and 130b may be spaced apart from each other on the first surface of the main body 110 as described above. Accordingly, when the user touches the first surface to the body part in a state where cosmetics are applied to the body part to be cared for, the two sensing terminals 130a and 130b spaced apart on the same surface are simultaneously applied to the body part. can be contacted.

In this case, the two sensing terminals 130a and 130b may include a second skin contact surface 131 having a predetermined area as shown in FIG. 1 , and the second skin contact surface 131 is the contact terminal. It may have a relatively narrower area than the first skin contact surface 121 of (120a, 120b).

In addition, the two sensing terminals 130a and 130b may be disposed on the first surface to be positioned between the two contact terminals 120a and 120b, and the first surface is formed as an inclined surface having a predetermined inclination. In this case, the two sensing terminals 130a and 130b may be disposed to be positioned on the upper end side of the inclined surface.

Here, the upper end of the inclined surface may be a portion having a relatively large height difference from the bottom surface of the case 111 among both ends.

Accordingly, in the skin beauty device 100 according to an embodiment of the present invention, the two sensing terminals 130a and 130b for measuring information on moisture and oil content of the user's skin have a curved face part and a narrow area. can be easily contacted directly. Through this, the two sensing terminals 130a and 130b can easily measure information on oil and moisture in the curved part of the skin, and since they are formed in a small area, the accuracy of measurement can be increased.

At this time, the skin beauty device 100 according to an embodiment of the present invention may generate a notification corresponding to the current state of the user's skin measured through the two sensing terminals 130a and 130b.

For example, a notification corresponding to the current state of the user's skin may be output through lighting of the LED.

To this end, the skin care device 100 according to an embodiment of the present invention may include a plurality of indicator LEDs 149 as shown in FIG. 7A , and the plurality of indicator LEDs ( 149) may be built into the main body 110, and the light emitted from the plurality of indicator LEDs 149 may be emitted to the outside through the case 111.

Through this, when an electrical signal is input to the control unit through the two sensing terminals 130a and 130b in the skin beauty device 100 according to an embodiment of the present invention, the control unit controls the user's skin based on the entered comparison value. may be determined, and the result of the current state of the user's skin determined by the controller may be output to the LED 149 for the indicator through the control of the controller.

In this case, the information on the current state of the skin output through the indicator LED 149 may be identified through the total number of the indicator LED 149 that is lit, and the light output from the indicator LED 149 . It can also be identified through the color of

Here, the information output through the indicator LED 149 may be utilized as information for recommending an operation mode suitable for the current state of the user's skin. In addition, the number of the LEDs 149 for the indicator lit up according to the change of moisture and oil content of the user's skin during skin care may be changed or the color to be output may be changed.

For this reason, after diagnosing the current state of the part to be cared for through the two sensing terminals 130a and 130b, the user can appropriately select an operation mode of the device according to the diagnosed current state.

Meanwhile, as shown in FIG. 6 , the two sensing terminals 130a and 130b may each include a second extension part 132 extending downward a predetermined length from the edge of the second skin contact surface 131 . . Through this, when the two sensing terminals 130a and 130b are integrated with the connection member 112 through insert molding, they are to be firmly fixed to the side of the connection member 112 through the second extension part 132. can

In addition, the two sensing terminals 130a and 130b may each include a plate-shaped second terminal contact surface 133 bent in one direction from the end of the second extension part 132 , and the plate-shaped second terminal The contact surface 133 may be disposed on the connection member 112 to be exposed to the outside as shown in FIG. 5 .

The second terminal contact surface 133 may be in direct contact with the elastic terminal 134 mounted on the circuit board 144 similarly to the above-described first terminal contact surface 123 . Through this, the two sensing terminals 130a and 130b may be electrically connected to the circuit board 144 through the second terminal contact surfaces 133 in contact with the elastic terminals 134 , and the battery 160 . ) may be applied to the two sensing terminals 130a and 130b through the circuit board 144 .

The plurality of light sources 142 may generate light having a predetermined wavelength band when power is applied. Through this, the user can obtain a beneficial effect according to the wavelength of the light by supplying the light generated from the plurality of light sources 142 to the skin side in need of care.

In this case, the skin beauty device 100 according to an embodiment of the present invention may be provided so that the plurality of light sources 142 can emit light of different wavelength bands.

Through this, in the skin beauty device 100 according to an embodiment of the present invention, the light generated from the plurality of light sources 142 can have various wavelength bands, so that the skin soothing effect and skin texture can be achieved through one device. Various effects such as improvement, soothing care for sensitive skin, skin contour improvement, skin elasticity improvement, skin elasticity restoration, skin lifting improvement and skin gloss improvement, etc. can be obtained.

For example, the plurality of light sources 142 emit light in a first operation mode for irradiating light in a wavelength band of 400 to 480 nm, a second operation mode in irradiating light in a wavelength band of 550 to 610 nm, and light in a wavelength band of 610 to 650 nm. It can be driven in a third operating mode to irradiate.

In addition, the plurality of light sources 142 may be driven in a fourth operation mode in which the first operation mode, the second operation mode, and the third operation mode are sequentially driven. In this case, in the skin care device 100 according to an embodiment of the present invention, the intensity of the current applied to the user's skin side through the two contact terminals 120a and 120b may also vary according to the above-described operation mode. have.

However, the wavelength band of the light generated from the plurality of light sources 142 is not limited thereto, and any wavelength band capable of generating a beneficial effect on the user's skin may be appropriately changed.

Such a plurality of light sources 142 may be mounted on a circuit board 144 disposed inside the main body 110 as shown in FIGS. 3 and 4, and the circuit board 144 is the main body ( It may be disposed to be positioned in a position corresponding to the light-transmitting member 113 inside the 110 .

Through this, the plurality of light sources 142 mounted on the circuit board 144 may be spaced apart from each other by the same distance from the light transmitting member 113 .

Here, the elastic terminals 124 and 134 may be mounted on the circuit board 144 side to be positioned at positions corresponding to the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b, respectively.

In addition, when the first surface is formed as an inclined surface having a predetermined inclination, the circuit board 144 may be disposed to be inclined at the same angle as the inclined surface in the interior of the main body 110 . Through this, even if the first surface is formed as an inclined surface, the plurality of light sources 142 mounted on the circuit board 144 may be spaced apart from each other by the same distance from the light transmitting member 113 .

In this case, the plurality of operation modes may be achieved through manipulation of the button unit 150 provided on one side of the main body 110 .

To this end, as shown in FIGS. 1 and 2 , the button unit 150 includes at least one button 152 exposed to the outside on one side of the main body 110 and disposed inside the main body 110 , It may include a circuit board 154 having a circuit unit for generating a signal corresponding to the operation of the button 152, wherein the circuit board 154 is electrically connected to the main circuit board 182 constituting the control unit. can

Through this, the skin beauty device 100 according to an embodiment of the present invention may be changed to a first operation mode, a second operation mode, a third operation mode, and a fourth operation mode according to the number of times the button 152 is pressed. can

However, the button unit 150 is not limited thereto, and the button unit 150 may include a plurality of buttons matching one-to-one with the first operation mode, the second operation mode, the third operation mode, and the fourth operation mode. may be

In addition, the skin beauty device 100 according to an embodiment of the present invention is changed to the above-described first operation mode, the second operation mode, the third operation mode and the fourth operation mode through the manipulation of the button 152 . In addition, it can be changed to various operating modes such as on mode, off mode and standby mode.

The controller may control the overall operation of the skin care device 100, such as changing the operation mode of the device, supplying/cutting power, and the like.

Such a control unit may include a main circuit board 182 disposed inside the main body 110 and a chipset 184 mounted on one surface of the main circuit board 182, and the chipset 184 is an MCU or It may be a controller such as an AP. In addition, the control unit may include various program codes for controlling various operation modes.

For example, the controller adjusts the wavelength band of the light output from the light source 142 according to the operation mode or appropriately adjusts the magnitude of the direct current applied to the user's skin side through the two contact terminals 120a and 120b. A possible lookup table may be stored.

In this case, the control unit is the light source 142 based on first information on whether the two contact terminals 120a and 120b and the user's skin are in contact and second information on the distance between the light source 142 and the skin. You can control the on and off automatically.

Here, the first information may be obtained through a voltage drop due to the user's skin resistance at the two contact terminals 120a and 120b, and the second information may be obtained through the proximity sensor 146 .

To this end, the skin beauty device 100 according to an embodiment of the present invention may include at least one proximity sensor 146 as shown in FIG. 2 , and the at least one proximity sensor 146 is the The plurality of light sources 142 may be mounted on one surface of the circuit board 144 on which they are mounted.

Accordingly, the at least one proximity sensor 146 may be disposed at a position corresponding to the light-transmitting member 113 like the plurality of light sources 142 , and when the first surface moves toward the user's skin, the at least One proximity sensor 146 may measure a distance from the user's skin through the light-transmitting member 113 .

In this case, the proximity sensor 146 may be mounted on the circuit board 144 so as to be positioned relatively closer to the two sensing terminals 130a and 130b than the plurality of light sources 142 .

In addition, as described above, when the first surface of the proximity sensor 146 is formed as an inclined surface and the circuit board 144 is inclined at the same inclination as the inclined surface, the proximity sensor 146 is the inclined surface. It may be mounted so as to be positioned on the upper end side of the circuit board 144 inclined at the same inclination as .

Accordingly, even if only a partial area of the first surface of the total area of the first skin contact surface 121 disposed along the first surface is in contact with the user's skin when the skin beauty device 100 is operated, the proximity sensor 146 ) can accurately measure the distance between the plurality of light sources 142 and the user's skin on which care is performed.

Through this, when the skin beauty device 100 according to an embodiment of the present invention is initially operated based on the first information and the second information, only the first surface is moved to the position where the user wants the final care. The light source 142 may be turned on for the first time.

In addition, the skin care device 100 according to an embodiment of the present invention includes the light source 142 based on the first information and the second information until the care operation is completed after the initial operation when the light source 142 is turned on for the first time. ) can be prevented from malfunctioning, and the operation of the light source 142 can be prevented from being cut off unnecessarily during the operation of the light source 142 .

For example, when the control unit is initially operated, based on the first information and the second information, the two contact terminals 120a and 120b are in contact with the user's skin and the distance between the light source 142 and the skin is The light source 142 may be initially turned on only when all of the states within the set range are satisfied.

In addition, the control unit may control the light source 142 based on the second information during the skin care operation using the plurality of light sources 142 and the two contact terminals 120a and 120b after the initial operation in which the light source 142 is turned on for the first time. 142) can be controlled.

That is, when the distance between the light source 142 and the skin is within a preset range during skin care operation, the light source 142 may be kept lit through the control unit, and the distance between the light source 142 and the skin may be increased. If it is more than a set range, the light source 142 may be turned off through the control unit.

This is because cosmetics applied to the user's skin are buried on the two contact terminals 120a and 120b during skin care operation, and even if the first information generated through the two contact terminals 120a and 120b is inaccurate, the proximity sensor 146 is ) is to control the lighting of the light source 142 based on the second information obtained through the control unit, so that the light source 142 can be stably operated.

In addition, the control unit includes the two contact terminals 120a and 120b during the skin care operation using the plurality of light sources 142 and the two contact terminals 120a and 120b after the initial operation in which the light source 142 is turned on for the first time. The light source 142 may be kept lit when it is at a very close distance to the user's skin in a state in which it is not touched with the user's skin.

Through this, in the skin beauty device 100 according to an embodiment of the present invention, in the process of rubbing the cosmetic applied to the user's skin by bringing the first surface into contact with the user's skin, the two contact terminals 120a and 120b are connected to the user. It is possible to prevent unnecessary interruption of the skin care operation by continuously turning on the light source 142 even if it is separated from the skin in a short distance.

For this reason, the skin care device 100 according to an embodiment of the present invention can prevent unnecessary interruption of the care operation even when caring for a body part with severe curvature, such as a face, so that a stable skin care operation can be achieved. can

On the other hand, in the skin beauty device 100 according to an embodiment of the present invention, the operation mode is automatically set by the control unit based on the information on the oil and moisture of the user's skin measured by the two sensing terminals 130a and 130b. may be selected, and the skin care device 100 may be driven in an operation mode selected through the control unit.

For example, when power is supplied through manipulation of the button 152, the skin care device 100 according to an embodiment of the present invention is configured to measure information about oil and moisture of the user's skin through the control unit. Can be changed to standby mode.

In such a state, when the two sensing terminals 130a and 130b come into contact with the skin to be cared for, the control unit acquires information about the oil and moisture of the user's skin through the two sensing terminals 130a and 130b. After diagnosing the measured current state of the user's skin, the operation mode can be changed to the standby mode.

In addition, the control unit may output a result corresponding to the current state of the diagnosed user's skin through the indicator LED 149, and the controller may select an operation mode suitable for the measured current state of the user's skin.

Here, the operation mode selected through the control unit may be any one of the first operation mode, the second operation mode, the third operation mode, and the fourth operation mode, the first operation mode, the second operation In the mode and the third operation mode, at least one of the wavelength band of light emitted through the plurality of light sources 142 and the intensity of the current applied to the skin side through the two contact terminals 120a and 120b may be different from each other. have.

Preferably, the first operation mode, the second operation mode and the third operation mode are directed toward the skin side through the wavelength band of light emitted through the plurality of light sources 142 and the two contact terminals 120a and 120b. The strength of the applied current may all be different.

Then, when the two contact terminals 120a and 120b come into contact with the skin to be cared for, the controller may drive the skin care device 100 in the selected operation mode.

As described above, in the skin beauty device 100 according to an embodiment of the present invention, the user can manually select various operating modes, as well as an operation mode suitable for diagnosing the current state of the user's skin and the diagnosed user's skin through the control unit. It can be operated automatically to increase the user's convenience.

Meanwhile, the skin care device 100 according to an embodiment of the present invention may include a frame portion 170 inserted into the body 110 . As shown in FIGS. 7 and 8 , the frame unit 170 can connect various parts built in the body 110 to each other, and the various parts can be fixed to be placed in appropriate positions. .

For example, the circuit board 144 on which the plurality of light sources 142 are mounted may be detachably coupled to the upper side of the frame unit 170 . In addition, based on (b) of FIG. 7 , the main circuit board 182 may be detachably coupled to the front part of the frame part 170 , and the button part 150 is the frame part 170 . It can be detachably coupled to the right side of the. In addition, the LED 149 for the indicator may be coupled to be positioned on the opposite side of the surface to which the main circuit board 182 of the frame unit 170 is coupled, as shown in FIG. 7A .

In this case, as shown in FIG. 8 , the battery 160 for supplying power may be disposed inside the frame unit 170 , and a cushion member having a predetermined area on both sides of the battery 160 . (191,192) may be placed.

Here, the cushion members 191 and 192 may prevent the battery 160 from flowing inside the frame unit 170 and absorb external shocks to protect the battery 160 .

Accordingly, the circuit board 144 on which the plurality of light sources 142 are mounted, the main circuit board 182, the button part 150, the indicator LED 149, and the battery 160 are all fastened to the frame part. When 170 is inserted into the case 111 and the lower side of the frame unit 170 is fixed to the lower case 111b, all assembly can be completed.

Through this, the plurality of light sources 142 and the proximity sensor 146 mounted on the circuit board 144 may be disposed in an area corresponding to the light-transmitting member 113, and the two contact terminals 120a and 120b. ) and the two sensing terminals 130a and 130b may be in one-to-one contact with the plurality of elastic terminals 124 and 134 mounted on the circuit board 144 .

For this reason, the two contact terminals 120a and 120b and the two sensing terminals 130a and 130b may conduct electricity with the circuit board 144 via the plurality of elastic terminals 124 and 134 .

Meanwhile, the light-transmitting member 113 may protect the user's eyes from light emitted to the outside when the light source 142 is turned on. In addition, the light-transmitting member 113 may increase the diffusivity of light generated from the light source 142 so that uniform light may be emitted to the outside.

To this end, the light-transmitting member 113 may be provided to have a predetermined transmittance so as to reduce the intensity of light emitted to the outside from the light source 142 , and spread the light so that uniform light can be emitted to the outside. It may contain ingredients that make

For example, the light-transmitting member 113 may have a transmittance of 70 to 90%, and preferably, a light-diffusing PC having a transmittance of 70 to 90% may be used. Here, although the transmittance of the light-transmitting member 113 is exemplified as 70 to 90%, the transmittance of the light-transmitting member 113 is not limited thereto. can be adjusted. In addition, the light-transmitting member 113 may be made of glass.

On the other hand, the skin care device 100 according to an embodiment of the present invention may further include a notification unit interlocked with the operation of the button 152 . Such a notification unit may provide a notification that the user can easily recognize when the user manipulates the button 152 .

For example, the notification unit may be a vibration unit 148 electrically connected to the circuit board 144 as shown in FIG. 8 , and may be a sound output unit (not shown) such as a speaker for outputting sound to the outside. can Here, the vibration means 148 may be a vibration motor or a vibration sensor.

That is, when the user presses the button 152, the control unit recognizes the operation of the button 152 and drives the notification unit to generate vibration for a certain period of time through the vibration means 148 or output a sound to the outside. do.

Accordingly, the user can easily identify the current operating state of the skin care device 100 by easily recognizing the on/off of the power source and the change of the operation mode through manipulation of the button 152 .

Here, the output pattern of the notification unit may be output in a different pattern for each mode. For example, when the output pattern of the notification unit is a vibration pattern generated by the vibration means 148, the vibration pattern is the intensity of vibration when selecting and changing the first operation mode, the second operation mode, and the third operation mode. And at least one of the duration of the vibration may be output in different patterns.

In addition, the skin care device 100 according to an embodiment of the present invention may further include a charging terminal 186 for recharging the power of the battery 160 . For example, the charging terminal 186 may be mounted on the main circuit board 182 as shown in FIG. 8 .

Such a charging terminal 186 may be connected to an external power source through a known charging cable.

Through this, the skin beauty device 100 according to an embodiment of the present invention receives power from the outside through the charging terminal 186, so that the battery 160 can be recharged using the power supplied from the outside. have.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments presented herein, and those skilled in the art who understand the spirit of the present invention can add components within the scope of the same spirit. , changes, deletions, additions, etc. may easily suggest other embodiments, but this will also fall within the scope of the present invention.

100: skin beauty device 110: body
111: case 111a: upper case
111b: lower case 112: connecting member
113: light transmitting member 120a, 120b: contact terminal
121: first skin contact surface 122: first extension
123: first terminal contact surface 124: elastic terminal
130a, 130b: sensing terminal 131: second skin contact surface
132: second extension 133: second terminal contact surface
134: elastic terminal 142: light source
144: circuit board 146: proximity sensor
148: vibration means 149: LED for indicator
150: button unit 152: button
154: circuit board 160: battery
170: frame unit 182: main circuit board
184: chipset 186: charging terminal
191,192: cushion member

Claims (13)

a body including a first surface having a predetermined area;
two contact terminals spaced apart from each other on the first surface and generating a potential difference on the user's skin when power is applied to change the electrical environment of the user's skin;
two sensing terminals spaced apart from each other on the first surface and configured to sense information on oil and moisture of the user's skin when power is applied;
a plurality of light sources mounted on a circuit board disposed inside the main body to be positioned at the rear of the first surface and irradiating light of different wavelength bands; and
Including; a control unit for controlling the overall driving;
The two contact terminals have a first contact surface protruding at a predetermined height from the first surface,
The two sensing terminals are
a second contact surface protruding at a predetermined height from the first contact surface and the first surface;
an extension portion extending downward a predetermined length from the edge of the second contact surface and fixed to the body; and
It has a plate-shaped terminal contact surface bent in one direction from the end of the extension,
The terminal contact surface is in contact with an elastic terminal mounted on the circuit board to be electrically connected to the circuit board. The method of claim 1,
The two contact terminals and the two sensing terminals are arranged in an annular shape along the periphery of the rim on the rim side of the first surface, and the two sensing terminals are disposed to be positioned between the two contact terminals. The method of claim 1,
The first surface is formed as an inclined surface having a predetermined inclination, and the first surface is an upper surface of the main body. 4. The method of claim 3,
The two sensing terminals are disposed so as to be located on the upper end side of the inclined surface. The method of claim 1,
The second contact surface of the sensing terminal in contact with the user's skin is formed to have a relatively narrower area than the first contact surface of the contact terminal in contact with the user's skin. The method of claim 1,
The skin care device further comprises a proximity sensor mounted on the circuit board. 7. The method of claim 6,
The proximity sensor is disposed to be located at a position relatively closer to the two sensing terminals than the plurality of light sources. 7. The method of claim 6,
The control unit, when the light source is turned on, the two contact terminals are in a non-contact state with the user's skin, and the separation distance from the user's skin measured through the proximity sensor exceeds a preset distance, the light source is turned off change,
When the two contact terminals are not in contact with the user's skin in a state in which the light source is turned on, and the separation distance from the user's skin measured through the proximity sensor is within a preset distance, a skin care device that maintains the lighting state of the light source . The method of claim 1,
The two contact terminals are in contact with a plurality of elastic terminals mounted on the circuit board to be electrically connected to the circuit board. The method of claim 1,
The skin beauty device,
The skin care device further comprising a plurality of indicator LEDs built into the body to emit light according to the user's oil and moisture state information measured through the two sensing terminals. The method of claim 1,
The body is a skin care device that is formed to have a relatively wider width from the top to the bottom. The method of claim 1,
The main body includes a case having an inner space with an open upper portion and an annular connecting member integrally formed on the open upper rim side of the case,
The two contact terminals and the two sensing terminals are formed integrally with the connecting member. 13. The method of claim 12,
The body includes a light-transmitting member integrally formed inside the annular connecting member so as to emit the light generated by the light source to the outside.

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