KR-20260066265-A - Driving device for both charging and electrical stimulation of a using C-Type USB port

Abstract

The present invention discloses a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port. This invention enables a single USB port to have a dual function of charging or electrical stimulation output, allowing for the selective connection of an electrical stimulation pad or a charger to a single port on the main body. By enabling simultaneous use of charging and electrical stimulation through a single C-Type USB terminal, the invention reduces costs through product miniaturization and circuit configuration simplification compared to existing products, and enhances user convenience by automatically switching between charging and electrical stimulation output through a means that detects the connection of the charger or the electrical stimulation pad.

Inventors

• 이응화

Assignees

• 주식회사 휴니랩
• 이응화

Dates

Publication Date

20260512

Application Date

20241104

Claims (2)

1. A main body with a built-in battery and a USB terminal; A charger that charges the battery by being selectively connected to the above USB terminal; An electric stimulation pad to which an electric stimulation waveform is applied by being selectively connected to the above-mentioned USB terminal; and, A driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port, characterized by including: a driving circuit unit embedded in the main body above, which controls the output of a charging or electrical stimulation waveform when the charger or the electrical stimulation pad is selectively connected to the USB terminal.
2. In Article 1, The above driving circuit is, A voltage drop check unit that checks whether there is a voltage drop depending on the charger or the electric stimulation pad selectively connected to the USB terminal; A USB female connector part that outputs a voltage with a voltage drop or a voltage without a voltage drop through a check plug-in pin according to whether there is a voltage drop checked by the above voltage drop check part; A connection detection unit that detects whether the charger or the electric stimulation pad is connected to the USB terminal via an A/D conversion pin according to the voltage output by the check plug-in pin of the USB female connector part; An electric stimulation generator that generates an electric stimulation waveform and applies it to the electric stimulation pad when the connection detection unit detects that the electric stimulation pad is connected to the USB terminal; and, A driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port, characterized by including: a charging unit that charges the battery when it is detected by the connection detection unit that the charger is connected to the USB terminal.

Description

Driving device capable of both charging and electrical stimulation using a C-Type USB port The present invention relates to a driving device for a beauty device, and more specifically, to a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port, which allows a charger or an electrical stimulation pad to be selectively connected to a single USB terminal, and enables battery charging or the output of a treatment waveform to the electrical stimulation pad. Generally, most battery-equipped personal beauty devices currently on the market have only a single beauty function without a massage function, and some products that combine beauty and massage, as disclosed, have a configuration in which the connection for charging and stimulation pads is separated. Therefore, in order to perform beauty and massage treatments simultaneously, one must purchase two separate products or purchase existing products that partially combine the two, namely products where charging and electrical stimulation output are separated into separate ports. In this case, the product becomes bulky and expensive, resulting in financial loss and inconvenience of use. In other words, conventional portable beauty devices equipped with batteries implemented charging or electric stimulation massage by forming multiple separate output ports on the main body and connecting a charger or electric stimulation pad to them. FIG. 1 is a schematic structural diagram of a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port as an embodiment of the present invention. FIG. 2 is a schematic block diagram of a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port as an embodiment of the present invention. Hereinafter, embodiments of the present invention will be described with reference to the attached drawings. FIG. 1 is a schematic structural diagram of a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port as an embodiment of the present invention, and FIG. 2 is a schematic block diagram of a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port as an embodiment of the present invention. Referring to the attached FIG. 1 and FIG. 2, a driving device capable of simultaneous charging and electrical stimulation using a C-Type USB port according to an embodiment of the present invention comprises a main body (10) in which a battery (BAT) is built, a charger (20) selectively connected to the main body (10), an electrical stimulation pad (30) for electrical stimulation massage, and a driving circuit (40) within the main body (10). The above main body (10) can have a battery (BAT) built in while forming a USB terminal (11). Here, the USB terminal (11) is configured so that the cable USB terminal (21) of the charger (20) is connected to it, or the USB terminal (31) of the electric stimulation pad (30) can be selectively connected to it. That is, when the cable USB terminal (21) of the charger (20) is connected to the USB terminal (11), the battery (BAT) can be charged, and when the charger (20) is disconnected from the USB terminal (11) while the battery (BAT) is charged, and then the USB terminal (31) of the electric stimulation pad (30) is connected to the USB terminal (11), a frequency waveform (e.g., low frequency or high frequency) for electric stimulation massage can be output to the electric stimulation pad (30). The above driving circuit (40) is built into the main body (10) and controls the output of a charging or electrical stimulation waveform when the charger (20) or the electrical stimulation pad (30) is selectively connected to the USB terminal (11). It includes a voltage drop check unit (41), a USB female connector unit (42), a connection detection unit (MCU) (43), an electrical stimulation generator (44), and a charging unit (Charge IC) (45). The voltage drop check unit (41) is configured to check for voltage drop depending on the charger (20) or the electric stimulation pad (30) that is selectively connected to the USB terminal (11). That is, when the electric stimulation pad (30) is connected to the USB terminal (11), the voltage drop check unit (41) has a voltage drop of +5V applied to the V Check unit by the resistor (R1) by +5V*R1/(R1+R2), and when the charger (20) is connected to the USB terminal (11), the voltage drop check unit (41) checks whether the voltage drop has occurred. The above USB female connector part (42) is configured to output a voltage with a voltage drop or a voltage without a voltage drop (+5V) to the connection detection part (43) through a check plug-in pin (42a) depending on whether there is a voltage drop checked by the voltage drop check part (41). The above connection detection unit (43) detects whether the charger (20) or the electric stimulation pad (30) is connected to the USB terminal (11) throu