KR102143819B1 - A skin care device and control method of the skin care device - Google Patents

Abstract

The present invention includes a body portion provided with a first contact portion and a second contact portion for transmitting an output current to a contact object, and a controller for controlling the output current of the first contact portion and the second contact portion, wherein the controller comprises: It relates to a skin care apparatus and a control method thereof, characterized in that controlling the output current based on whether the contact object is in contact with the first contact portion and the second contact portion.

Description

Skin care device and control method of the skin care device {A skin care device and control method of the skin care device}

The present invention relates to a skin care device and a control method of the skin care device, and more particularly, to a skin care device that controls an operation based on detection of skin contact, and a control method of the skin care device.

As the skin care status becomes an important factor in determining the appearance, various skin care devices have recently been provided to homes that allow consumers to easily manage their skin even at home. Such skin care devices include devices that apply cosmetics to the skin, cleanse the skin, or stimulate the skin to massage.

Among them, the electric current stimulator is configured to massage the skin by applying a certain amount of electric current to the skin or to help the skin absorb cosmetics. In the case of such a current stimulator, if the current stimulation is too strong, it may damage the skin, and if the current stimulation is weak, the effect is degraded, so that the user can exhibit maximum efficacy without discomfort caused by the current stimulation. A control method is required.

On the other hand, in the case of a skin care device provided to a general user who is a non-expert, although it is possible to provide various functions and has to be convenient to operate the skin care device, there is a problem that the operation of the skin care device to date becomes more complicated as the function increases. .

The present invention was created to solve the problems of the prior art as described above, and an object of the present invention is to provide a skin care device that controls an operation based on skin contact detection, and a control method of the skin care device.

In addition, it is an object of the present invention to provide a skin care device and a control method of the skin care device that outputs a minimum current during an initial operation and then increases the output current at predetermined intervals.

In addition, it is an object of the present invention to provide a complex beauty device capable of performing tapping massage in order to provide various functions and enhance elasticity in addition to massage by electric current.

The skin care device according to an embodiment of the present invention controls the output current of the body portion provided with a first contact portion and a second contact portion for transmitting an output current to a contact object, and the first contact portion and the second contact portion. And a control unit, wherein the control unit may control the output current based on whether the contact object is in contact with the first contact unit and the second contact unit.

In addition, when it is determined that the contact object has not contacted at least one of the first contact unit and the second contact unit, the control unit may control the skin care device to the standby mode.

In addition, in the standby mode, the controller may control the first contact unit and the second contact unit to output a preset first minimum current to detect whether the contact object is in contact.

In addition, the control unit may determine whether the contact object contacts each of the first contact unit and the second contact unit based on a change in a resistance value corresponding to the first minimum current.

In addition, when it is determined that the contact object has been in contact with both the first contact unit and the second contact unit, the control unit may control the skin care device in an operation mode.

In addition, the controller controls the skin care device to an operation mode when it is determined that the contact object has been in contact with both the first contact unit and the plurality of second contact units when a plurality of second contact units are provided. can do.

In addition, when entering the operation mode, the control unit may control the first contact unit to output a second minimum current preset to apply a current stimulus having a minimum magnitude to the contact object.

In addition, the control unit may control the first contact unit to increase the output current from the second minimum current to a predetermined final output current based on preset output current increase control information.

In addition, the output current increase control information may include at least one of an increase type including at least one of a linear, a curved type, and a step type, an increase time, an increase period, an increase speed, and an increase size.

Also, while the skin care device is controlled in the operation mode, the control unit may determine whether the first contact unit and the second contact unit are in contact.

In addition, the control unit, while the skin care device is controlled in the operation mode, if it is determined that the contact object is not in contact with at least one of the first contact portion and the second contact portion, the skin care device is on standby. Can be controlled by mode.

In addition, the first contact part is provided on the head part of the main body to detect whether the user touches the part to which the current stimulus is to be transmitted, and the second contact part may detect whether the user is gripped by the user's hand. It may be provided on the handle portion of the main body to be.

In addition, the contact object may be the user's skin.

In addition, the skin care apparatus according to an embodiment of the present invention may further include a motor for transmitting electric power to the contact object.

In addition, the control unit may control at least one of the transmission speed and intensity of the electric unit to at least one of a linear, curved, and stepped type.

In addition, the control unit may sense the pressure applied to the electric unit, and when the pressure applied to the electric unit is greater than or equal to a preset threshold value, at least one of an alarm output control, a standby mode control, and an off state control may be performed. .

In addition, when the skin care device is controlled in the standby mode for more than a preset time, the control unit may control the skin care device to be in an off state.

In addition, according to an embodiment of the present invention, a method of controlling a skin care device in which a first contact part and a second contact part for transmitting an output current to a contact target are provided, the contact target for the first contact part and the second contact part Determining whether or not the skin care device is in a standby mode when it is determined that the contact object is not in contact with at least one of the first contact unit and the second contact unit; And controlling the skin care device in an operation mode when it is determined that the contact object has been in contact with both the first contact unit and the second contact unit.

In addition, the controlling of the skin care device in the operation mode may include, when it is determined that the contact object is in contact with both the first contact unit and the plurality of second contact units when a plurality of second contact units are provided, It may include controlling the skin care device to the operation mode.

In addition, the determining of the contact may include controlling the first contact unit and the second contact unit so that the first contact unit and the second contact unit output a preset first minimum current to detect whether the contact object is in contact. It may include the step of.

In addition, the determining of the contact may include detecting a change in resistance value corresponding to the first minimum current for the first contact part and the second contact part, respectively, and according to the change in the detected resistance value, the The method may further include determining whether the contact object contacts each of the first contact unit and the second contact unit.

In addition, the controlling of the skin care device in the operation mode includes: when entering the operation mode, controlling the first contact portion to output a second minimum current set in order to apply a minimum current stimulation to the contact object. It may include.

In addition, the controlling of the skin care device in the operation mode includes the first contact unit to increase the output current from the second minimum current to a predetermined final output current based on preset output current increase control information. It may further include controlling.

In addition, the output current increase control information may include at least one of an increase type including at least one of a linear, a curved type, and a step type, an increase time, an increase period, an increase speed, and an increase size.

In addition, controlling the skin care device in the operation mode may include determining whether the first contact part and the second contact part are in contact while the skin care device is controlled in the operation mode. have.

In addition, while the skin care device is controlled in the operation mode, if it is determined that the contact object has not contacted at least one of the first contact part and the second contact part, controlling the skin care device to the standby mode It may further include steps.

In addition, controlling the skin care device in an operation mode may include controlling at least one of an electric speed and intensity of an electric unit further provided in the skin care device to transmit electric power to the contact object. have.

In addition, the control method of the skin care apparatus according to an embodiment of the present invention includes the steps of detecting a pressure applied to the electric unit, and when the pressure applied to the electric unit is greater than or equal to a preset threshold, an alarm output control and a standby mode It may further include performing at least one of control and off state control.

In addition, controlling the skin care device to the standby mode may include controlling the skin care device to an off state when the skin care device is controlled to the standby mode for a predetermined time or longer.

The skin care device and the control method of the skin care device according to the present invention automatically control whether or not the skin care device is to be operated on the basis of skin contact detection, thereby providing convenience of manipulation to a user.

In addition, the skin care device and the control method of the skin care device according to the present invention output the minimum current during initial operation and gradually increase the output current thereafter, thereby providing skin care without discomfort due to current stimulation to the user. Make sure that the device is at its maximum efficacy.

1 is a block diagram showing the structure of a skin care device according to an embodiment of the present invention.
2 is a schematic perspective view of a skin care device according to an embodiment of the present invention.
3 is a graph illustrating a method of controlling an output current of a skin care device according to an embodiment of the present invention.
4 is a flowchart illustrating a method of controlling a skin care device according to an embodiment of the present invention.

The objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments associated with the accompanying drawings. In the present specification, in adding reference numerals to elements of each drawing, it should be noted that only the same elements have the same number as possible, even if they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

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

1 is a block diagram showing a structure of a skin care device according to an embodiment of the present invention, and FIG. 2 is a schematic perspective view of a skin care device according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, the skin care apparatus 1 according to an exemplary embodiment of the present invention may include a main body 100, a control unit 200, and a storage unit 300.

In various embodiments of the present disclosure, the skin care device 1 may be a current stimulator that massages the user's skin by applying electric current stimulation to the user's skin or aids absorption of cosmetics. However, the type of the skin care device 1 according to the present invention is not limited to a current stimulator, and may include any device that applies stimulation to a contact object using an output current.

The body portion 100 forms the appearance of the skin care device 1 according to the present invention, and may be made of synthetic resins of various materials. In various embodiments of the present disclosure, the main body 100 is provided to have a smooth curved shape as shown in FIG. 2, so that a grip feeling may be further improved.

The body unit 100 may include a first contact unit 110 and a second contact unit 120 that output current according to the control of the control unit 200 and transmit the current to the contact object.

The first contact part 110 may be formed on the upper end of the body part 100. A region in the body portion 100 in which the first contact portion 110 is formed may be referred to as a head portion. The head portion may be provided so that the user can contact the skin and transmit the current stimulation to a desired portion.

The second contact portion 120 may be formed on one side or a bottom of the body portion 100. A region in the body portion 100 in which the second contact portion 120 is formed may be referred to as a handle portion. The handle portion may be provided so that the user can conveniently grip the body portion 100.

In various embodiments, a plurality of second contact units 120 may be provided.

The first contact unit 110 and the second contact unit 120 may include at least one electrode 111 and 121. The electrodes 111 and 121 may be made of a metal material so as to output current according to the control of the controller 200.

In an embodiment, at least one electrode 111 constituting the first contact unit 110 may be formed along the circumference of the first contact unit 110. In one embodiment, at least one electrode 121 constituting the second contact portion 120 may be formed along an axis of the body portion 100.

A grounding part is provided in the main body 100 so that each of the first contact part 110 and the second contact part 120 forms a closed circuit with the user's skin contacting them. The output currents of the first contact unit 110 and the second contact unit 120 may be delivered in the form of positive or negative ions to the skin of a user contacting them through a closed circuit.

In particular, the output current of the first contact unit 110 may impart various cosmetic effects to the user's skin.

As an example, the output current of the first contact unit 100 may be transmitted to a muscle inside a user's skin to induce contraction and relaxation of the muscle.

Alternatively, in an embodiment, the first contact unit 110 may output a galvanic current as an output current. Galvanic current is a direct current in which the direction and size of the current is kept constant in the range of 0.5mA to 1mA, and can give the user's skin a cosmetic effect that allows the active ingredient of cosmetics to reach the dermis layer or discharges waste products. have.

In an embodiment, the first contact unit 110 may output a minute current as an output current. The microcurrent is a direct current that maintains a constant direction and magnitude of the current with less than 0.5mA, and can provide various cosmetic effects such as fat cell decomposition, collagen synthesis, blood circulation promotion, massage, etc.

In an embodiment, the first contact unit 110 may output a high frequency (Tesla current) as an output current. High frequency is a high alternating current with a frequency of 100,000 Hz or more, and can provide cosmetic effects such as promoting blood circulation and sterilizing and disinfecting the user's skin, and improving scars.

In an embodiment, the first contact unit 110 may output ultrasonic waves as an output current. Ultrasound is a very high alternating current with a frequency of 200,000 Hz or more, and can provide cosmetic effects such as lifting, massaging, improving blood circulation, and relaxing muscles of the user's skin.

In various embodiments, the first contact unit 110 may output a low frequency having an effect of increasing elasticity and decomposing fat on the user's skin, a medium frequency having a strong muscle movement and massage effect through metabolism/blood circulation, and the like.

In the above, some examples have been described as the output current of the first contact part 110, but in the present invention, the output current of the first contact part 110 is not limited to the above, and the first contact part 110 is Various types of current can be output according to cosmetic effects.

The type of current output by the first contact unit 110 may be preset in the manufacturing process of the skin care device 1 or may be determined by a user input through manipulation of the button unit 130.

In various embodiments of the present invention, the control unit 200 detects whether the user touches the area to which the current stimulus is to be transmitted through the first contact unit 110, and the user's hand through the second contact unit 120 Whether it is gripped or not can be detected.

For example, the control unit 200 may include the first contact unit 110 and the second contact unit 120 through a closed circuit formed through the first contact unit 110 and the second contact unit 120, the skin of the user who comes into contact with them, and the ground unit. 120) A resistance value corresponding to each output current can be detected. The controller 200 may detect whether the user's skin is in contact with the first contact unit 110 and the second contact unit 120 through a change in the resistance value.

In the above, it has been described for example that the second contact part 120 detects whether the user's skin is in contact with the first contact part 110 based on a change in electrical characteristics, but the technical idea of the present invention is not limited thereto, In various embodiments, the second contact unit 120 may detect whether the user's skin is in contact based on a change in brightness or a change in pressure. This is to enable the operation of the skin care device 1 to be controlled according to the detection of whether the user is in contact with the second contact unit 120 even when the user uses the skin care device 1 in various states such as wearing gloves. to be.

Meanwhile, in various embodiments of the present disclosure, the first contact unit 110 may be configured to further include an electric unit 112 capable of transmitting electric power to a contact object. The electric power part 112 may be provided in the center of at least one electrode 111 formed along the periphery of the first contact part 110.

By transmitting the electric force to the contact object of the first contact unit 110, it is possible to bring about a massage effect on the contact object. As an example of the electric power, the electric unit 112 may transmit a tapping (tapping) to a contact object.

A driving unit that generates electric power of the electric unit 112 may be provided inside the main body unit 110. In various embodiments of the present disclosure, the driving unit may be configured to convert a rotational motion of a driving motor into a linear reciprocating motion. The electric unit 112 may provide a tapping massage effect by transmitting a linear reciprocating motion generated through the driving unit to a contact object.

In various embodiments of the present disclosure, a button unit 130 for receiving a user input may be provided in the body unit 100. The button unit 130 may receive a user input for manipulating a control operation of the controller 200. For example, the button unit 130 is an input for on/off control of the skin care device 1, an input for controlling the magnitude of the output current of the first contact unit 110, and the electric motion of the electric unit 112 An input for controlling the type and intensity may be received.

In addition, a terminal unit 140 may be further provided at the lower end of the body unit 100. The main body 100 may be provided with a rechargeable battery (not shown) therein, and the terminal unit 140 may be a portion in which one end of the battery is exposed outside the main body 100. Such a battery may supply a voltage required for driving the controller 200 to be described later, and may be charged by combining the terminal unit 140 with a charger terminal.

Here, the skin care device 1 according to an embodiment of the present invention has been described as having a rechargeable battery, but the present invention is not limited thereto, and the terminal unit 140 is omitted from the outside of the main body 100 and is for replacement. It goes without saying that power may be applied to the controller 200 using a battery.

The control unit 200 and the storage unit 300 may be provided inside the body unit 100. The control unit 200 may be connected to the first contact unit 110 and the second contact unit 120 to control output current to the first contact unit 110 and the second contact unit 120.

When the skin care device 1 is turned on by an input of the input unit 130, the control unit 200 may first control the management device 1 in a standby mode.

In the standby mode, as shown in FIG. 3, the control unit 200 controls the minimum current required to detect whether the first contact unit 110 and the second contact unit 120 contact the user's skin (hereinafter, the first minimum current). The first contact unit 110 and the second contact unit 120 may be controlled to output (31). In this case, the first minimum current is preset, and may be set as a minimum standby current for detecting whether the first contact unit 110 and the second contact unit 120 are in contact with the skin. In an embodiment, the first minimum current may be a minute current of 0.1 mA or less. As a result, in the standby mode, the user's skin may not obtain a skin care effect even when the output current from the first contact unit 110 is transmitted. In addition, in various embodiments of the present disclosure, the first minimum currents of the first contact unit 110 and the second contact unit 120 may be set differently from each other.

The controller 200 may detect a resistance value of a closed circuit each including the first contact unit 110 and the second contact unit 120 in the standby mode. The controller 200 may detect whether the user's skin is in contact with each of the first contact unit 110 and the second contact unit 120 based on a change in the detected resistance value. Specifically, when the resistance value of the closed circuit increases above a preset threshold value, the control unit 200 may detect that the user's skin has contacted the contact portion.

In various embodiments of the present disclosure, when a user's skin contact is detected in both the first contact unit 110 and the second contact unit 120, the control unit 200 may control the skin care device 1 as an operation mode. There is (32). That is, as shown in FIG. 3, when the user's skin is in contact with only one of the first contact unit 110 and the second contact unit 120, the control unit 200 keeps the skin care device 1 in standby mode. It can be controlled by (31).

In one embodiment, when a plurality of second contact units 120 are provided, the controller 200 detects a user's skin contact with both the first contact unit 110 and the plurality of second contact units 120, The skin care device 1 can be controlled in an operation mode.

When entering the operation mode, as shown in FIG. 3, the control unit 200 applies a minimum current stimulation to the skin of the user in contact with the first contact unit 110 to provide a massage effect, a cosmetic absorption effect, and a waste discharge effect. The first contact part 110 may be controlled to output a current (hereinafter, referred to as a second minimum current) for imparting an effect. The second minimum current is a value greater than the first minimum current, and may be determined and preset through a test on the cosmetic effect of the skin care device 1.

In various embodiments of the present invention, in the operation mode, the control unit 200 generates various types of currents, such as galvanic current, fine current, high frequency, medium frequency, low frequency, ultrasonic wave, etc., that impart cosmetic effects to the contact object. Can be controlled to output.

The type of current output from the first contact unit 110 may be preset in the manufacturing process of the skin care device 1 or may be determined by a user input through manipulation of the button unit 130.

Thereafter, the control unit 200 may control the first contact unit 110 to gradually increase the output current until it reaches a set final output current level (33).

After the skin care device 1 is turned on, the controller 200 may receive a user input for controlling the final output current of the first contact unit 110 through the input unit 130. Alternatively, the controller 200 may receive a user input for controlling the current output mode of the first contact unit 110 through the input unit 130 and determine a final output current set in advance in response to the received input. Alternatively, the controller 200 may determine a final output current set in advance irrespective of a user input.

The control unit 200 may gradually increase the output current of the first contact unit 110 from the second minimum current to the final output current. At this time, the increase of the output current of the first contact unit 110 may be controlled to increase in a linear, curved or stepped shape, and the increase time (period), the increase rate, and the increase amount are information for controlling the increase of the output current. It can be set in advance.

Here, the increase time is the time required to increase from the second minimum current to the set final output current, the increase period is the current increase period in case of stepwise increase, the increase rate is a preset current increase per time, and the increase size is the current increase per one increase. Can mean

For example, when the second minimum current is set to 0.5 mA, the increase time of the output current is set to 2 seconds, and the magnitude of the final output current is set to a micro current of 1 mA, when the operation mode of the skin care device 1 is switched, the controller 200 ) May control the first contact unit 110 to output a current of 0.5 mA, and then control the first contact unit 110 to increase the output current by a magnitude of 0.25 mA every second for 2 seconds.

The skin care device 1 according to an embodiment of the present invention does not output the final output current set immediately after entering the operation mode as described above, but gradually increases the output current from the second minimum current to the set final output current. By increasing it, it has the effect of allowing the user to exhibit the efficacy of the skin care device without causing discomfort due to sudden current stimulation.

In this operation mode, the control unit 200 may control the second contact unit 120 to output a first minimum current for detecting whether the user has contact with the skin.

Thereafter, the controller 200 may control the output current of the first contact unit 110 as illustrated in FIG. 3, based on a resistance value detected through the closed circuit of the first contact unit 110.

When the cosmetic applied to the skin of the user in contact with the first contact part 110 is absorbed or evaporated by the skin, or as waste matter is secreted from the user's skin, the resistance value detected through the closed circuit of the first contact part 110 changes can do. The control unit 200 may control to increase or decrease the output current of the first contact unit 110 in response to a change in the resistance value.

Meanwhile, the controller 200 may detect a resistance value of a closed circuit each including the first contact unit 110 and the second contact unit 120 in the operation mode. Similar to the standby mode, the controller 200 may detect whether the user's skin is in contact with each of the first contact unit 110 and the second contact unit 120 in the operation mode.

In the operation mode, when the user's skin non-contact with at least one of the first contact unit 110 and the second contact unit 120 is detected, the control unit 200 puts the skin care device 1 in the standby mode as shown in FIG. 3. It can be controlled by (34).

In various embodiments, when the operation mode driving time of the skin care device 1 is preset, or when a user input for setting the operation mode driving time is received through the button unit 130, the controller 200 is After the operation mode driving time has elapsed, the skin care device 1 may be controlled in a standby mode or in a power-off state. In an embodiment, the operation mode driving time may be preset to 3 minutes.

Even when the operation mode driving time is set, if the user's non-contact with the user's skin to at least one of the first contact unit 110 and the second contact unit 120 is detected before the operation mode driving time elapses, the control unit 200 may (1) can be controlled in standby mode.

As described above, the skin care device 1 according to an embodiment of the present invention automatically switches to an operation mode when a user's skin contact is detected in both the first contact unit 110 and the second contact unit 120 in the standby mode. Since the switch is switched, it has the effect of increasing the convenience of user operation and preventing an increase in self-government complexity by providing a plurality of buttons on the main body 100.

Meanwhile, in various embodiments, the control unit 200 controls the magnitude of the output current of the first contact unit 110 and the second contact unit 120, and the transmission speed and intensity of the electric unit 112 (tapping speed and intensity), etc. Can be controlled. As an example, the control unit 200 determines at least one of the transmission speed and intensity of the transmission unit 110 in a linear, curved (eg, sine wave), stepped (eg, square wave) form at time. Can be controlled accordingly.

In an embodiment, the control unit 200 may detect a pressure applied to the electric unit 112. More specifically, the control unit 200 may detect a pressure applied to a vibrator or an exerciser provided in the electric unit 112. To this end, the skin care device 1 may include at least one resistance circuit, a pressure sensor, etc. that is connected to the electric unit 112 and the control unit 200 and capable of sensing pressure applied to the electric unit 112. have.

When it is determined that the pressure applied to the electric unit 112 is equal to or greater than a preset threshold, the control unit 200 outputs an alarm or the like through an output unit (not shown) provided in the skin care device 1, or (1) can be controlled in the off state of the standby mode. Accordingly, in the skin care apparatus 1 according to the present invention, the user strongly attaches the electric unit 112 to the skin surface, so that excessive restraint is applied to the electric unit 112 (motor provided in the electric unit 112). It helps to prevent rapid battery consumption and product life decrease due to use.

In various embodiments of the present disclosure, when the skin care device 1 is controlled in the standby mode for a predetermined time or longer, the control unit 200 may control the skin care device 1 to be turned off.

The storage unit 300 may store programs and data necessary for the operation of the control unit 200. In various embodiments of the present disclosure, the storage unit 300 includes a first minimum current, a second minimum current, information for controlling an increase in output current, and an output current corresponding to a resistance value detected by the first contact unit 110. Information can be stored.

In addition, in various embodiments of the present disclosure, the storage unit 300 may store information on operation control of the skin care device 1 corresponding to a user input received through the button unit 130.

4 is a flowchart illustrating a method of controlling a skin care device according to an embodiment of the present invention. The following operation is described based on the operation of controlling other components by the controller 200 provided in the skin care apparatus 1.

In the starting step of FIG. 4, the controller 200 may be operating in a standby mode after being turned on according to a user input for turning on the skin care device 1 through the button unit 130 (410). .

In the standby mode, the controller 200 may control the first contact unit 110 and the second contact unit 120 to output a preset first minimum current (411).

The control unit 200 may detect whether the first contact unit 110 and the second contact unit 120 are in contact with each other (412).

The control unit 200 detects a resistance value corresponding to the first minimum current of a closed circuit each including the first contact unit 110 and the second contact unit 120, and based on the change in the resistance value, the first contact unit ( 110) and the second contact unit 120 may detect whether the skin is in contact with each other.

When it is detected that the skin is not in contact with at least one of the first contact unit 110 and the second contact unit 120 (412), the control unit 200 may continuously control the skin care device 1 to the standby mode. .

In various embodiments of the present disclosure, when the skin care device 1 is controlled in the standby mode for a predetermined time or longer, the controller 200 may control the skin care device 1 to be turned off.

When it is sensed that the skin is in contact with both the first contact unit 110 and the second contact unit 120 (412), the control unit 200 may control the skin care device 1 in an operation mode (420).

Specifically, the control unit 200 may control the first contact unit 110 to output a preset second minimum current (421).

Thereafter, the control unit 200 may control the first contact unit 110 to increase the output current until the output current of the first contact unit 110 reaches the determined final output current (422).

The final output current may be determined by a user input through the input unit 130 or may be determined by a preset value.

The control unit 200 may increase the output current of the first contact unit 110 based on information for controlling an increase in output current until the output current of the first contact unit 110 reaches a set final output current. Here, the information for controlling an increase in output current may include at least one of an increase type (linear, curved, or stepped type), an increase time (period), an increase speed, and an increase size.

In addition, afterwards, while controlling the skin care device 1 in the operation mode, the controller 200 detects the resistance value of the first contact unit 110 and outputs a current corresponding to the detected resistance value. The contact unit 110 may be controlled (423).

Meanwhile, while performing the operation mode, the controller 200 may control the second contact unit 120 to output a second minimum current.

While controlling the skin care device 1 in the operation mode, the controller 200 may detect whether the first contact unit 110 and the second contact unit 120 are in contact with each other (424 ).

When it is detected that the skin is not in contact with at least one of the first contact unit 110 and the second contact unit 120, the control unit 200 may control the skin care device 1 back to the standby mode.

In one embodiment, when the operation mode driving time is set according to the setting or user input, the controller 200 controls the first contact unit 110 and the second contact unit 120 according to the operation mode during the set operation mode driving time. After performing, the skin care device 1 may be controlled again to the standby mode or the power of the skin care device 1 may be controlled to be turned off.

In FIG. 4, it is shown that the control of the output current of the first contact unit 110 and the detection of whether the first contact unit 110 and the second contact unit 120 are in contact with the skin in the operation mode are performed in time series. In an embodiment, the control unit 200 may simultaneously detect whether the first contact unit 110 and the second contact unit 120 are in contact with the skin while controlling the output current of the first contact unit 110 in the operation mode. 1 While controlling the output current of the contact part 110, when non-contact with the skin is detected in at least one of the first contact part 110 and the second contact part 120, the skin care device 1 is controlled in a standby mode to control the first contact part. The first contact unit 110 and the second contact unit 120 may be controlled so that the contact unit 110 and the second contact unit 120 output a first minimum current.

The controller 200 may repeat the above-described operation until a user input for controlling the skin care device 1 to be turned off is received through the input unit 130 (425).

On the other hand, the user input for controlling the skin care device 1 to be off can be received at any time of the standby mode and the operation mode of the skin care device 1, so that the user who controls the skin care device 1 to be off Determination of whether or not to receive an input is not performed in time series with other operations as shown in FIG. 4, and a user input controlling the skin care device 1 to be turned off through the input unit 130 in the standby mode and the operation mode. When this is received, the control unit 200 may control the skin care device 1 to be turned off.

Although the present invention has been described in detail through specific embodiments, this is for explaining the present invention in detail, and the present invention is not limited thereto, and within the technical scope of the present invention, those of ordinary skill in the art It would be clear that the transformation or improvement is possible.

All simple modifications to changes of the present invention belong to the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

1: powertrain
100: main body
110: first contact portion
120: second contact portion
130: button part
200: control unit
300: storage

Claims (29)

A body portion provided with a first contact portion and a second contact portion for transmitting an output current to a contact object; And
A control unit for controlling the output current of the first contact unit and the second contact unit,
The control unit,
The first contact unit and the second contact unit are controlled to a standby mode or an operation mode based on whether they are in contact with the contact object, and when the operation mode is operated, the output current gradually increases to a preset final output current. Controlling the first contact part, and when the output current increases to the preset final output current, the first contact part is controlled to detect a resistance value of the first contact part and to output a current corresponding to the detected resistance value. Skin care device, characterized in that. The method of claim 1, wherein the control unit,
When it is determined that at least one of the first contact unit and the second contact unit is not in contact with the contact object, the skin care device is controlled in a standby mode. The method of claim 2, wherein the control unit,
And controlling the first contact unit and the second contact unit to output a preset first minimum current to detect whether the contact object is in contact in the standby mode. The method of claim 3, wherein the control unit,
A skin care device, characterized in that it is determined whether or not the contact object contacts each of the first contact unit and the second contact unit based on a change in a resistance value corresponding to the first minimum current. The method of claim 1, wherein the control unit,
When it is determined that both the first contact unit and the second contact unit are in contact with the object to be contacted, the skin management device is controlled in an operation mode. The method of claim 5, wherein the control unit,
When a plurality of second contact units are provided, and when it is determined that both the first contact unit and the plurality of second contact units are in contact with the contact object, the skin care device is controlled in an operation mode. Device. The method of claim 5, wherein the control unit,
When entering the operation mode, the first contact portion is controlled to output a second minimum current set in advance to apply a current stimulus of a minimum magnitude to the contact object. The method of claim 7, wherein the control unit,
And controlling the first contact portion to increase the output current from the second minimum current to the final output current based on preset output current increase control information. The method of claim 8, wherein the output current increase control information,
A skin care device comprising at least one of an increase form including at least one of linear, curved, and stepped shapes, an increase time, an increase period, an increase rate, and an increase size. The method of claim 5, wherein the control unit,
While the skin care device is controlled in the operation mode, it is determined whether the first contact unit and the second contact unit are in contact with the contact object. The method of claim 10, wherein the control unit,
While the skin care device is controlled in the operation mode, if it is determined that at least one of the first contact part and the second contact part is not in contact with the contact object, the skin care device is controlled in a standby mode. Skin care device. The method of claim 1, wherein the first contact portion,
It is provided on the head of the main body to detect whether the user touches the portion to which the current stimulus is to be transmitted,
The second contact portion,
Skin care device, characterized in that provided in the handle portion of the body portion to detect whether the grip by the user's hand. The method of claim 1, wherein the contact object,
Skin care device, characterized in that the user's skin. The method of claim 1,
Skin care device, characterized in that it further comprises a motor for transmitting the electric power to the contact object. The method of claim 14, wherein the control unit,
Skin care apparatus, characterized in that for controlling at least one of the transmission speed and intensity of the electric unit to at least one of linear, curved and stepped. The method of claim 14, wherein the control unit,
A skin care apparatus, characterized in that, when the pressure applied to the electric unit is sensed and the pressure applied to the electric unit is equal to or greater than a preset threshold, at least one of an alarm output control, a standby mode control, and an off state control is performed. The method of claim 2, wherein the control unit,
When the skin care device is controlled in the standby mode for a predetermined time or longer, the skin care device is controlled to be in an off state. A method for controlling a skin care device in which a first contact part and a second contact part for transmitting an output current to a contact object are provided,
Determining whether the first contact unit and the second contact unit are in contact with the contact object;
If it is determined that at least one of the first contact unit and the second contact unit is not in contact with the contact object, controlling the skin care device to a standby mode; And
If it is determined that both the first contact unit and the second contact unit are in contact with the contact object, controlling the skin care device to an operation mode,
Controlling in the operation mode
Controlling the first contact to gradually increase the output current to a predetermined final output current;
Detecting a resistance value of the first contact when the output current increases to the preset final output current; And
And controlling the first contact to output a current corresponding to the detected resistance value. The method of claim 18, wherein controlling the skin care device in an operation mode,
In the case where a plurality of second contact units are provided, and when it is determined that both the first contact unit and the plurality of second contact units are in contact with the contact object, controlling the skin care device to the operation mode How to characterize. The method of claim 18, wherein determining whether the contact has occurred,
And controlling the first contact unit and the second contact unit so that the first contact unit and the second contact unit output a first minimum current preset to detect whether the contact object is in contact. The method of claim 20, wherein determining whether the contact is made,
Detecting changes in resistance values corresponding to the first minimum current with respect to the first contact part and the second contact part, respectively; And
And determining whether each of the first contact unit and the second contact unit is in contact with the contact object according to a change in the detected resistance value. The method of claim 18, wherein controlling the skin care device in an operation mode,
And when entering the operation mode, controlling the first contact portion to output a preset second minimum current to apply a current stimulus of a minimum magnitude to the contact object. The method of claim 22, wherein controlling the skin care device in an operation mode,
And controlling the first contact portion to increase the output current from the second minimum current to the final output current based on preset output current increase control information. The method of claim 23, wherein the output current increase control information,
A method comprising at least one of an increasing form including at least one of linear, curved and stepped, increasing time, increasing period, increasing speed, and increasing magnitude. The method of claim 18, wherein controlling the skin care device in an operation mode,
And determining whether the first contact unit and the second contact unit are in contact with the contact object while the skin care device is controlled in the operation mode. The method of claim 25,
If it is determined that at least one of the first contact unit and the second contact unit is not in contact with the contact object while the skin care device is controlled in the operation mode, controlling the skin care device to a standby mode is further performed. Method comprising the. The method of claim 18, wherein controlling the skin care device in an operation mode,
And controlling at least one of a transmission speed and an intensity of an electric unit further provided in the skin care device in order to transmit the electric force to the contact object. The method of claim 27,
Sensing the pressure applied to the electric unit; And
And performing at least one of an alarm output control, a standby mode control, and an off state control when the pressure applied to the electric unit is greater than or equal to a preset threshold value. The method of claim 18, wherein controlling the skin care device to a standby mode,
And when the skin care device is controlled in the standby mode for a predetermined time or longer, controlling the skin care device to an off state.

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