CN220899327U

CN220899327U - Hand-held beauty instrument with radio frequency function

Info

Publication number: CN220899327U
Application number: CN202321433651.0U
Authority: CN
Inventors: 黎海拉; 何顺苟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-28
Filing date: 2023-06-07
Publication date: 2024-05-07
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a handheld cosmetic instrument with a radio frequency function, which comprises a controller, wherein the controller is connected with the input end of a booster circuit, a push-pull transformer is connected with the output end of the booster circuit, the input end of the push-pull transformer is also connected with a push-pull amplifier, and the output end of the push-pull transformer is connected with a radio frequency electrode plate; the low voltage of the low voltage power supply is input into the boost circuit, the on-off of the boost circuit is controlled by the controller, and under the condition of being on, the boost circuit converts the input low voltage into direct current high voltage; the input of the direct-current high-voltage input push-pull transformer is converted into pulse direct current through a push-pull amplifying circuit, wherein a controller controls the input of a pulse input signal of the push-pull amplifier, high-voltage pulse alternating current is output through the push-pull transformer, and the high-voltage pulse alternating current generates radio-frequency current through an electrode plate. The beauty instrument can better realize skin care through radio frequency current stimulation, and is very beneficial to improvement of local cells and blood vessels of the skin.

Description

Hand-held beauty instrument with radio frequency function

Technical Field

The utility model relates to a beauty instrument, in particular to a handheld beauty instrument with a radio frequency function.

Background

The hand-held beauty instrument is a small-sized skin care device, which is mainly used for caring skin on the face of a human body, and the care modes comprise heat action, vibration action, light action and the like, and the skin is stimulated through the actions, so that skin cells are activated, blood circulation and metabolism are contacted, and further the care effects of whitening, removing freckles and the like are achieved. Such hand-held book cosmetic instruments generally include a housing, a contact head for contacting the skin, and an internal circuit board structure. Some beauty instruments employ touch control keys on a housing, wherein the touch control keys generally have a switching function and a multi-mode adjusting function.

The handheld beauty instrument has the functions of heating hot compress, vibration massage, illumination skin care and the like, and various functions are combined to form various nursing mode states. For example, there are generally a variety of modes of care, such as: heating for 1 min and irradiating for 1 min; heating for 2 minutes and vibrating for 1 minute; heating for 1 min, and irradiating for 2 min.

With the increasing demand for cosmetic functions, currently weak current electric shocks are also introduced into skin surface treatment, and some hospitals use large-scale skin medical devices to make skin cells active under the stimulation of electric current by shocking the skin. These devices are mainly aimed at the treatment of some skin diseases, and have the disadvantages of high power, complex structure and inconvenient use.

Disclosure of utility model

The utility model provides a handheld cosmetic instrument with a radio frequency function, which aims at the existing problems and is used for realizing radio frequency cosmetic experience on the handheld cosmetic instrument.

The technical scheme provided by the utility model for the technical problems is as follows:

The utility model provides a handheld cosmetic instrument with a radio frequency function, which comprises a controller MCU, and further comprises: the device comprises a booster circuit, a push-pull amplifying circuit, a push-pull transformer and electrode plates; the controller is connected with the input end of the booster circuit, the push-pull transformer is connected with the output end of the booster circuit, the input end of the push-pull transformer is also connected with the push-pull amplifier, and the output end of the push-pull transformer is connected with the radio frequency electrode plate; the low voltage of the low voltage power supply is input into the boost circuit, the on-off of the boost circuit is controlled by the controller, and under the condition of being on, the boost circuit converts the input low voltage V1 into direct current high voltage V2; the input of the direct-current high-voltage V2 input push-pull transformer is converted into pulse direct-current V3 through a push-pull amplifying circuit, wherein a controller controls the input of a pulse input signal of the push-pull amplifier, the high-voltage pulse alternating current V4 is output through the push-pull transformer, and the high-voltage pulse alternating current V4 generates radio-frequency current through an electrode plate.

Preferably: the beauty instrument also comprises a battery, the battery is connected with the input end of the boost circuit to provide low voltage V1, the battery is connected with the input end of a boost chip, and the input end of the boost chip is simultaneously connected with the controller; the low voltage V1 is outputted as a dc high voltage V2 via the boost chip by enabling control of the controller.

Preferably: the output of the boost chip is connected with a filter circuit.

Preferably: the output of the boost chip is connected with a voltage shift circuit, the voltage shift circuit comprises a shift resistor, the first end of the shift resistor is connected with the output of the boost chip and is connected with a controller, and the other end of the shift resistor is connected with the direct-current high-voltage end of the boost chip.

Preferably: the push-pull amplifying circuit comprises two N-channel enhancement type MOS transistors, the grid electrodes of the two transistors are connected with the controller, and the drain electrodes of the two transistors are connected with the primary coil input by the push-pull transformer; the controller outputs a pulse signal to trigger the transistor, and the transistor outputs pulse direct current.

Preferably: the sources of the two transistors are connected with the current sampling ports of the controller; the output pulse current of the transistor is collected and monitored by a controller.

Preferably: the beauty instrument also comprises a voltage stabilizing circuit, wherein the voltage stabilizing circuit is connected with the output of the voltage boosting circuit, and the output of the voltage stabilizing circuit is connected with the power input of the controller; after the high-voltage V2 output by the booster circuit is subjected to voltage stabilizing treatment by the voltage stabilizing circuit, a low-voltage direct current V5 is output, and the low-voltage direct current V5 is connected with the power input of the controller to supply power to the connector.

Preferably: the voltage stabilizing circuit comprises a filter circuit and a voltage dividing chip, and the filter circuit is connected to the input end of the voltage dividing chip; the high-voltage V2 output by the booster circuit is used as the input voltage of the voltage stabilizing circuit, is processed by the filter circuit, is divided by the voltage dividing chip, and outputs low-voltage direct current V5, and the low-voltage direct current V5 is connected with the power input of the controller.

Preferably: the frequency of the high-voltage pulse alternating current V4 is 500kHz-3MHz, and the voltage is 40-60V.

Preferably: the frequency of the high-voltage pulse alternating current V4 is 1MHz, and the voltage is 40V.

Preferably: the beauty instrument also comprises at least one physiotherapy module of a hot compress module, a vibration physiotherapy module or an LED phototherapy module.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the technology of the utility model adds the radio frequency circuit module in the handheld beauty instrument, the module can provide the electric shock function of radio frequency pulse for the beauty instrument, when in use, the electrode can send out pulse current, the nearby skin can be stimulated by current, and further, the electric shock physiotherapy is realized, the electric shock current and the voltage are both very low, and the electric shock is safe and reliable. The beauty instrument with the radio frequency module can better realize skin care, so that skin cells are stimulated more finely, and the beauty instrument is very beneficial to improvement of local cells and blood vessels.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a circuit diagram of a microprocessor of the cosmetic instrument.

Fig. 2 is a circuit diagram of a switch key touch recognition.

Fig. 3 is a schematic diagram of a mode lamp display circuit.

Fig. 4 is a circuit diagram of the booster circuit.

Fig. 5 is a circuit diagram of a voltage stabilizing circuit.

Fig. 6 is a circuit diagram of a push-pull amplifying circuit.

Fig. 7 is a circuit diagram of a push-pull transformer.

Fig. 8 is a circuit diagram of an interface circuit.

Fig. 9 is a schematic block circuit diagram of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 9, the handheld cosmetic instrument with the radio frequency function provided by the utility model comprises a hot compress module, a vibration physiotherapy module, an LED phototherapy module, a radio frequency physiotherapy module and other functional modules. The circuit module comprises a switch key touch recognition circuit, a mode lamp display circuit, a boost circuit, a voltage stabilizing circuit, a push-pull amplifying circuit and the like; wherein, hot compress module, vibration module, LED light physiotherapy module, switch button touch identification circuit, mode lamp display circuit all are connected with controller MCU. In addition, the MCU is also connected with a circuit unit such as a booster circuit, a voltage stabilizing circuit, a push-pull amplifying circuit and the like. The boost circuit is connected with the push-pull transformer, the push-pull transformer is connected with the push-pull amplifying circuit, the push-pull transformer is connected with the interface circuit, and the boost circuit is powered by a battery.

Referring to fig. 1, a microprocessor-controller MCU used in the present utility model is shown, the MCU including a number of control ports.

Referring to fig. 9, the controller is connected with the input end of the boost circuit, the push-pull transformer is connected with the output end of the boost circuit, the input end of the push-pull transformer is also connected with the push-pull amplifier, and the output end of the push-pull transformer is connected with the radio frequency electrode plate; the low voltage of the low voltage power supply is input into the boost circuit, the on-off of the boost circuit is controlled by the controller, under the condition of being on, the boost circuit converts the input low voltage V1 into direct current high voltage V2, and the low voltage V1 is provided by the battery; the input of the direct-current high-voltage V2 input push-pull transformer is converted into pulse direct-current V3 through the push-pull amplifying circuit, wherein the controller controls the input of a pulse input signal of the push-pull amplifier, the high-voltage pulse alternating current V4 is output through the push-pull transformer, and the high-voltage pulse alternating current V4 generates radio-frequency current through the electrode plates, so that the current stimulation physiotherapy on the skin of a human body is realized. Referring to fig. 4, a battery is connected to an input VBAT of a boost circuit, a low voltage V1 of, for example, 3.2V is provided, a current connection is filtered by a filter circuit composed of a capacitor and an inductor and then enters the boost circuit, the battery is connected to an input v_in of a boost chip J2, an input EN of the boost chip is simultaneously connected to a controller, the port is an enable port, the controller sends an enable signal to control the boost chip, and the low voltage V1 is output as a direct current high voltage V2 via the boost chip under the enabling control of the controller. The output port LX of the boost chip is connected in series with an anti-reflux diode, the cathode of which is connected with the output end VUP of the boost circuit, and the VUP is also connected with a filter capacitor C5. The output port FB of the boost chip is connected with a voltage shift circuit, the voltage shift circuit comprises a shift resistor R9, the first end of the shift resistor R9 is connected with the output FB of the boost chip and is connected with the 2D port of the controller through a divider resistor R13, the other end of the shift resistor R9 is connected with the direct-current high-voltage end of the boost chip, and the cathode of the anti-reflux diode is connected with the shift resistor R9. The shift resistor is grounded through a voltage dividing resistor R12. The input voltage of the battery can be increased from about 3.2V to 5.2V of direct current high voltage V2 through the booster circuit. The output of the boost circuit can be adjusted from 5.2V to 5.5V by using the shift resistor under the control of the controller. In addition, due to the attenuation of the battery, even if the input voltage is less than 3.2V, the controller can stabilize the output of the booster circuit at 5.2V through the voltage regulating circuit.

Referring to fig. 2, fig. 2 is a switch KEY touch recognition circuit, which is mainly composed of a touch chip U1, and an input port TCH of the touch chip is connected to a KEY. When the hand touches the KEY, the touch chip transmits touch information to the POWER ON port of the controller through the port OUT. Referring to fig. 3, which shows a mode lamp display circuit, the present example of the beauty apparatus has four modes, and thus four mode lamps, which are connected to four LED ports of the controller, namely, LED1, LED2, LED3 and LED 4.

Referring to fig. 6, the push-pull amplifying circuit includes two N-channel enhancement MOS transistors G1 and G2, respectively, the gates of both transistors being connected to two pulse signal ports PWM1 and PWM2 of the controller. The drains VHN1 and VHN2 of the two transistors are connected to the primary winding of the push-pull transformer input, respectively. The controller outputs a pulse signal to trigger the transistor, and the transistor outputs pulse direct current. The voltage dividing resistor R10 is connected in series to the gate of the transistor G1, and the voltage dividing resistor R11 is connected in series to the gate of the transistor G2. The sources of the two transistors are connected and are connected with a divider resistor R21 in series and then connected to an EMS DET port of the controller, and the sources of the two transistors are also connected with a divider resistor R3. One end of R21 is connected with one end of R3 in parallel, and the other end of R3 is connected with the ground. The controller collects the current of the amplifying circuit through the EMS DET port and monitors the current, and if the current is overlarge, the controller can control the pulse end to stop working, so that the transistor and the whole circuit are protected. Under the control of the controller pulse control signal, the current VHN1 and thus VHN2 is converted into a pulse current, which may be, for example, a 5.2V alternating current of 500 kHZ.

Referring to fig. 5, the radio frequency beauty apparatus further includes a voltage stabilizing circuit, the voltage stabilizing circuit is connected with an output port of the voltage boosting circuit, and the input voltage is 5.2V direct current. The output of the voltage stabilizing circuit is connected with the power input of the controller, and 3V low-voltage power is provided for the controller. After the 5.2V power of the high-voltage V2 output by the booster circuit is subjected to voltage stabilizing treatment by the voltage stabilizing circuit, 3V low-voltage power of the low-voltage direct current V5 is output, and the low-voltage direct current V5 is connected with the power input of the controller to supply power to the connector. Meanwhile, the LED lamp can be powered.

The voltage stabilizing circuit comprises a filter circuit and a voltage dividing chip U201. The filter circuit comprises a single diode and a group of capacitors connected in parallel, and the single diode and the group of capacitors are connected to the input end VIN of the voltage division chip. The high-voltage V2 output by the booster circuit is used as the input voltage of the voltage stabilizing circuit, is processed by the filter circuit, is divided by the voltage dividing chip, and outputs low-voltage direct current V5, and the low-voltage direct current V5 is connected with the power input of the controller. The output end of the voltage division chip U201 is also connected with a filter capacitor C9.

Referring to fig. 7, a push-pull transformer is shown, a primary coil of a transformer J11 of the push-pull transformer is connected with an output end VUP of a boost circuit, a direct current power supply is provided by the primary coil, two alternating current outputs of the primary coil are connected with a push-pull amplifying circuit to generate high-frequency low-voltage alternating current, the high-frequency alternating current is output by a secondary coil, the frequency of the output high-voltage pulse alternating current V4 is 500kHz-3MHz, and the voltage is 40-60V. In a preferred embodiment, the high voltage pulsed alternating current V4 has a frequency of 1MHz and a voltage of 40V or 50V. This voltage is safe for the human body and has a certain stimulating effect on the skin.

Referring to fig. 8, the output of the push-pull transformer is connected with an electrode plate through the interface circuit, and current is released through the electrode plate, when the electrode plate touches the skin of a human body, a loop is formed, and the current flows through the human body to generate current stimulation, so that skin cells are stimulated to generate certain activity, and the effects of beautifying and protecting skin are realized.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A handheld cosmetic instrument with radio frequency function, comprising a controller, characterized in that it further comprises: the device comprises a booster circuit, a push-pull amplifying circuit, a push-pull transformer and electrode plates; wherein,

The controller is connected with the input end of the booster circuit, the push-pull transformer is connected with the output end of the booster circuit, the input end of the push-pull transformer is also connected with the push-pull amplifier, and the output end of the push-pull transformer is connected with the radio frequency electrode plate; the low voltage of the low voltage power supply is input into the boost circuit, the on-off of the boost circuit is controlled by the controller, and under the condition of being on, the boost circuit converts the input low voltage (V1) into direct current high voltage (V2); the input of the direct-current high-voltage (V2) input push-pull transformer is converted into pulse direct current (V3) through the push-pull amplifying circuit, wherein the controller controls the input of a pulse input signal of the push-pull amplifier, the high-voltage pulse alternating current (V4) is output through the push-pull transformer, and the high-voltage pulse alternating current (V4) generates radio-frequency current through the electrode plates.

2. The handheld cosmetic apparatus with radio frequency function according to claim 1, wherein: the beauty instrument also comprises a battery, wherein the battery is connected with the input end of the booster circuit and provides low voltage (V1), the battery is connected with the input end of a booster chip, and the input end of the booster chip is simultaneously connected with the controller; the low voltage (V1) is outputted as a dc high voltage (V2) via the boost chip by enabling control of the controller.

3. The handheld cosmetic apparatus with radio frequency function according to claim 2, wherein: the output of the boosting chip is connected with a filter circuit.

4. The handheld cosmetic apparatus with radio frequency function according to claim 2, wherein: the output of the boost chip is connected with a voltage shift circuit, the voltage shift circuit comprises a shift resistor, a first end of the shift resistor is connected with the output of the boost chip and is connected with the controller, and the other end of the shift resistor is connected with a direct-current high-voltage end of the boost chip.

5. The handheld cosmetic apparatus with radio frequency function according to claim 1, wherein: the push-pull amplifying circuit comprises two N-channel enhancement type MOS transistors, the grid electrodes of the two transistors are connected with the controller, and the drain electrodes of the two transistors are connected with the primary coil input by the push-pull transformer; the controller outputs a pulse signal to trigger the transistor, and the transistor outputs pulse direct current.

6. The handheld cosmetic apparatus with radio frequency function according to claim 5, wherein: the sources of the two transistors are connected with the current sampling port of the controller; the output pulse current of the transistor is collected and monitored by a controller.

7. The handheld cosmetic apparatus with radio frequency function according to claim 1, wherein: the beauty instrument also comprises a voltage stabilizing circuit, wherein the voltage stabilizing circuit is connected with the output of the voltage boosting circuit, and the output of the voltage stabilizing circuit is connected with the power input of the controller; after the high-voltage (V2) output by the booster circuit is subjected to voltage stabilizing treatment by the voltage stabilizing circuit, low-voltage direct current (V5) is output, and the low-voltage direct current (V5) is connected with the power input of the controller to supply power to the connector.

8. The handheld cosmetic apparatus with radio frequency function according to claim 7, wherein: the voltage stabilizing circuit comprises a filter circuit and a voltage dividing chip, and the filter circuit is connected to the input end of the voltage dividing chip; the high-voltage (V2) output by the boost circuit is used as the input voltage of the voltage stabilizing circuit, the voltage is divided by the voltage dividing chip after being processed by the filter circuit, the low-voltage direct current (V5) is output, and the low-voltage direct current (V5) is connected with the power input of the controller.

9. The handheld cosmetic instrument with radio frequency function according to any one of claims 1 to 8, characterized in that: the frequency of the high-voltage pulse alternating current (V4) is 500kHz-3MHz, and the voltage is 40V-60V.

10. The handheld cosmetic apparatus with radio frequency function according to claim 1, wherein: the beauty instrument also comprises at least one physiotherapy module of a hot compress module, a vibration physiotherapy module or an LED phototherapy module.