CN213158985U

CN213158985U - Beauty instrument control circuit and beauty instrument

Info

Publication number: CN213158985U
Application number: CN202020729589.XU
Authority: CN
Inventors: 孙明亮; 李承轩
Original assignee: Guangzhou Qili Biotechnology Co ltd
Current assignee: Guangzhou Qili Biotechnology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-05-11
Anticipated expiration: 2030-05-06

Abstract

The application belongs to the technical field of beauty instruments, and particularly relates to a beauty instrument control circuit and a beauty instrument, wherein a gear control signal is generated by the control circuit according to an input control signal; the current regulating circuit generates a micro-current signal according to the gear control signal and sends the micro-current signal to the electrode plate; the current detection circuit detects the micro-current signal, generates a current detection signal and outputs the current detection signal to the control circuit; the control circuit is also used for adjusting the gear control signal according to the current detection signal; the expansion interface circuit transmits a sensing detection signal generated by the external sensing component to the control circuit; the product can be realized dispatching the back and expanding application function as required, carries out many gears to the little current signal of output and adjusts and little current safety management and control, has improved beauty instrument control circuit's fail safe nature, practicality and expansibility, is applicable to different crowds and satisfies different cosmetic demands.

Description

Beauty instrument control circuit and beauty instrument

Technical Field

The application belongs to the technical field of beauty instruments, and particularly relates to a beauty instrument control circuit and a beauty instrument.

Background

At present, along with the improvement of living standard of people, people pursue more and more beauty, which provides power for the development of beauty instrument market. The beauty instrument is an instrument for beautifying the face of people by using physical, electronic and optical methods. The beauty instruments in the market of China can be divided into facial cleansing instruments and lifting and tightening instruments, wherein the main principles of the facial cleansing instruments are sound wave and ultrasonic wave technologies; the main principles of pull-up compaction are laser, radio frequency and micro-current. Aiming at different application function requirements, different types and different functions of beauty instruments are required, so that the operation is complex, the convenience is low, and reasonable beauty treatment can not be automatically and effectively carried out according to beauty treatment steps and time. In addition, the traditional cosmetic instrument mainboard circuit has no reasonable and effective power management and no effective protective grounding design, has short service life, simple electrode surface connection, easy short circuit and the like; meanwhile, once the design is finished, the functions are fixed, and the multiple functions cannot be flexibly expanded to meet the rich application requirements of users.

Consequently, it is not enough to have cosmetic appearance mainboard circuit power consumption security among the traditional technical scheme, and function expansibility is poor to and the function singleness leads to cosmetic simple operation nature poor and cosmetic not good problem of experiencing.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a beauty instrument control circuit, it is not enough to aim at solving the beauty instrument mainboard circuit power consumption security that exists among the traditional technical scheme, and function expansibility is poor to and the function singleness leads to the poor problem of cosmetic simple operation nature and cosmetic experience not good.

The first aspect of the embodiment of this application provides a beauty instrument control circuit, with electrode slice connection, beauty instrument control circuit includes:

a control circuit configured to generate a gear control signal according to an input control signal;

the current regulating circuit is respectively connected with the control circuit and the electrode plate, is configured to generate a micro-current signal according to the gear control signal and sends the micro-current signal to the electrode plate;

the current detection circuit is respectively connected with the current regulation circuit and the control circuit, is configured to detect the micro-current signal, generates a current detection signal and outputs the current detection signal to the control circuit;

the control circuit is also used for adjusting the gear control signal according to the current detection signal;

and the expansion interface circuit is connected with the control circuit and is configured to transmit a sensing detection signal generated by an external sensing component to the control circuit.

In one embodiment, the cosmetic instrument control circuit further comprises:

the key circuit is connected with the control circuit and is configured to generate the input control signal according to user operation;

the indication driving circuit is connected with an indicator lamp and the control circuit and is configured to generate an indication signal according to the indication control signal so as to drive the indicator lamp to indicate the working state of the beauty instrument control circuit;

the control circuit is further configured to generate the indication control signal based on the input control signal.

In one embodiment, the control circuit is further configured to generate a cue driving signal according to the current detection signal and the input control signal;

the beauty instrument control circuit further comprises:

and the buzzing driving circuit is connected with the buzzer and the control circuit and is configured to drive the buzzer to buzze and prompt according to the prompt driving signal.

In one embodiment, the control circuit is further configured to generate a refrigeration control signal and a blue drive control signal according to the input control signal;

the beauty instrument control circuit further comprises:

the cold compress driving circuit is connected with the control circuit and the refrigeration assembly and is configured to generate a refrigeration driving signal according to the refrigeration control signal so as to drive the refrigeration assembly to refrigerate;

and the blue light driving circuit is connected with the blue light source and the control circuit and is configured to drive the blue light source to emit light according to the blue light driving control signal.

In one embodiment, the control circuit is further configured to generate a vibration control signal based on the input control signal;

the beauty instrument control circuit further comprises:

and the vibration driving circuit is connected with the control circuit and the vibration assembly and is configured to generate a vibration driving signal according to the vibration control signal so as to drive the vibration assembly to vibrate.

In one embodiment, the control circuit is further configured to generate a radio frequency control signal and a red light driving control signal according to the input control signal;

the beauty instrument control circuit further comprises:

the radio frequency circuit is connected with the control circuit and the electrode plate and is configured to generate a radio frequency signal to the electrode plate according to the radio frequency control signal;

and the red light driving circuit is connected with the red light source and the control circuit and is configured to drive the red light source to emit light according to the red light driving control signal.

In one embodiment, the control circuit is further configured to generate a charging control signal and a display signal according to the input control signal;

the beauty instrument control circuit further comprises:

the power supply management circuit is respectively connected with the control circuit and the battery and is configured to generate a third direct current according to the charging control signal and the second direct current so as to supply power to the beauty instrument control circuit and generate a charging signal according to the charging control signal and the second direct current so as to charge the battery;

and the display circuit is connected with the control circuit and is configured to display the working state of the beauty instrument control circuit according to the display signal.

In one embodiment, the current detection circuit includes: the circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first capacitor and a first operational amplifier;

the first end of the first resistor and the first end of the third resistor are connected to the micro-current signal output end of the current adjusting circuit, the first end of the second resistor is connected to the first end of the first resistor, the second end of the second resistor is connected to the first end of the third resistor, the second end of the first resistor is connected to the first end of the fourth resistor and the inverting input end of the first operational amplifier, the second end of the fourth resistor is connected to the power ground, the non-inverting input end of the first operational amplifier is connected to the second end of the third resistor and the first end of the fifth resistor, the output end of the first operational amplifier and the second end of the fifth resistor are connected to the control circuit, the ground end of the first operational amplifier is connected to the power ground, and the power end of the first operational amplifier and the first end of the first capacitor are connected to the first direct current end, the second end of the first capacitor is connected with the power ground.

In one embodiment, the cold compress driving circuit comprises: the second capacitor, the third capacitor, the fourth capacitor, the fifth capacitor, the sixth capacitor, the seventh capacitor, the sixth resistor, the seventh resistor, the eighth resistor, the ninth resistor, the tenth resistor, the eleventh resistor, the twelfth resistor, the thirteenth resistor, the fourteenth resistor, the fifteenth resistor, the first inductor, the first field effect transistor, the second field effect transistor, the third field effect transistor, the fourth field effect transistor and the first voltage stabilizer;

the first end of the second capacitor is connected with the internal voltage-stabilizing output end of the first voltage stabilizer, the second end of the second capacitor is connected with a power ground, the pre-drive supply end of the first voltage stabilizer is connected with the first end of the third capacitor, the second end of the third capacitor and the switching value output end of the first voltage stabilizer are connected with the first end of the first inductor in common, the second end of the first inductor, the first end of the fourth capacitor, the first end of the sixth resistor and the first end of the fifth capacitor are connected with the refrigeration component in common, the second end of the fifth capacitor is connected with the power ground, the voltage monitoring feedback end of the first voltage stabilizer is connected with the second end of the fourth capacitor, the second end of the sixth resistor and the first end of the seventh resistor, and the external soft start end of the first voltage stabilizer is connected with the first end of the sixth capacitor, the second end of the sixth capacitor is connected with a power ground, the enabling end of the first voltage stabilizer, the power input end of the first voltage stabilizer and the first end of the seventh capacitor are connected to a third direct current end in common, and the second end of the seventh capacitor is connected with the power ground;

a second end of the seventh resistor is connected to a first end of the eighth resistor and a drain of the first field effect transistor, a gate of the first field effect transistor is connected to a first end of the ninth resistor, a source of the first field effect transistor and a second end of the ninth resistor are connected to a power ground, a second end of the eighth resistor is connected to a first end of the eleventh resistor and a drain of the second field effect transistor, a gate of the second field effect transistor is connected to a first end of the tenth resistor, a source of the second field effect transistor and a second end of the tenth resistor are connected to a power ground, a second end of the eleventh resistor is connected to a first end of the thirteenth resistor and a drain of the third field effect transistor, a second end of the thirteenth resistor is connected to a power ground, and a gate of the third field effect transistor is connected to a first end of the twelfth resistor, the source electrode of the third field effect transistor and the second end of the twelfth resistor are connected with a power ground, the gate electrode of the fourth field effect transistor and the first end of the fourteenth resistor are connected, the source electrode of the fourth field effect transistor and the second end of the fourteenth resistor are connected with the power ground, the drain electrode of the fourth field effect transistor and the first end of the fifteenth resistor are connected to the refrigeration component in a shared manner, the second end of the fifteenth resistor is connected with the power ground, and the gate electrode of the first field effect transistor, the gate electrode of the second field effect transistor, the gate electrode of the third field effect transistor and the gate electrode of the fourth field effect transistor are connected to the control circuit in a shared manner.

A second aspect of the embodiments of the present application provides a cosmetic apparatus, characterized in that the cosmetic apparatus includes: a body member adapted to be hand-held and a cosmetic instrument control circuit as defined in any one of the preceding claims; the beauty instrument control circuit is arranged in the body piece.

The utility model discloses a beauty instrument control circuit and beauty instrument, through control circuit according to the gear control signal of input control signal generation; the current regulating circuit generates a micro-current signal according to the gear control signal and sends the micro-current signal to the electrode plate; the current detection circuit detects the micro-current signal, generates a current detection signal and sends the current detection signal to the control circuit; the control circuit is also used for adjusting the gear control signal according to the current detection signal; the expansion interface circuit transmits a sensing detection signal generated by the external sensing component to the control circuit; the product can be realized and the application function is extended as required after dispatching from the factory, carry out many gears to the little current signal of output and adjust and carry out safety monitoring to little current, has improved beauty instrument control circuit's fail safe nature, practicality and expansibility, and a product can be applicable to different crowds and satisfy different cosmetic demands, has improved the effect of independently beautifying.

Drawings

Fig. 1 is a schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 2 is another schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 3 is another schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 4 is another schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 5 is another schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 6 is another schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 7 is another schematic structural diagram of a control circuit of a beauty instrument according to an embodiment of the present application;

fig. 8 is a schematic circuit diagram of an exemplary current detection circuit in a control circuit of a cosmetic instrument according to an embodiment of the present disclosure;

fig. 9 is a schematic circuit diagram of an exemplary cooling driving circuit in a control circuit of a beauty instrument according to an embodiment of the present application.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 shows a schematic structural diagram of a cosmetic instrument control circuit according to a first embodiment of the present application, and for convenience of description, only the parts related to the present embodiment are shown, and detailed descriptions are as follows:

a beauty instrument control circuit is connected with an electrode plate, the beauty instrument control circuit comprises: a control circuit 11, a current regulating circuit 12, a current detecting circuit 13, and an expansion interface circuit 14.

A control circuit 11 configured to generate a shift position control signal according to an input control signal; the current regulating circuit 12 is respectively connected with the control circuit 11 and the electrode plate, and is configured to generate a micro-current signal according to the gear control signal and send the micro-current signal to the electrode plate; the current detection circuit 13 is respectively connected with the current regulation circuit 12 and the control circuit 11, is configured to detect the micro-current signal, generates a current detection signal and outputs the current detection signal to the control circuit 11; the control circuit 11 is further configured to adjust the gear control signal according to the current detection signal; the expansion interface circuit 14 is connected to the control circuit 11, and configured to transmit a sensing detection signal generated by the external sensing component to the control circuit 11.

In specific implementation, the electrode plate is an electrode plate suitable for contacting a human body. The input control signal may be generated by a user operating a relevant control element, for example, the user inputs the input control signal through a touch screen or writes in a programming mode, and outputs the input control signal to the control circuit 11. The control circuit 11 generates a gear control signal according to an input control signal, the control current adjusting circuit 12 adjusts the input first direct current according to the gear control signal to generate micro-current signals with various current amplitudes in a sine-wave-like form, and the micro-current signals act on the skin through the electrode plates to stimulate the skin and muscle groups below the skin, so that the muscles are tensed and contracted, the effect of lifting and tightening is achieved, and the lifting function is achieved. Specifically, the control circuit 11 can output the gear control signals in the PWM form with different duty ratios to control the current adjusting circuit 12 to generate micro-current signals with various current amplitudes according to the first direct current and output the micro-current signals to the electrode plate, so that the micro-current multi-gear adjustment can be realized, and the cosmetic instrument is suitable for different people and meets different cosmetic requirements. Meanwhile, the micro-current signal output to the electrode plate is detected in real time through the current detection circuit 13 to generate a current detection signal, and the current detection signal is fed back to the control circuit 11; the control circuit 11 analyzes and compares the current detection signal, and when it is determined that the micro-current signal is abnormal, for example, the micro-current value corresponding to the micro-current signal is greater than a preset micro-current threshold value, the control circuit 11 adjusts the gear control signal to control the current adjusting circuit 12 to adjust the output micro-current signal in time, or controls the current adjusting circuit 12 to turn off the output micro-current signal, so as to achieve the purpose of safety control and improve the safety and reliability of the control circuit of the beauty instrument.

Further, by expanding the interface circuit 14, after the product design is completed and the product is produced, the functions of the product can be further expanded. Optionally, the expansion interface circuit 14 includes a connector, such as a USB connector, pin header, or female header. The external sensing component can be connected through the expansion interface circuit 14 to perform sensing detection work to obtain sensing detection signals, or external equipment can be connected to perform data interaction and the like. When the expansion interface circuit 14 is connected to a sensing component, such as a temperature sensor, capable of detecting the temperature of the electrode plate or the ambient temperature of the product during use, and correspondingly generating a sensing detection signal and outputting the sensing detection signal to the control circuit 11, the control circuit 11 obtains the temperature information or the ambient temperature of the electrode plate according to the sensing detection signal, and controls shutdown or enters a low-power standby mode when the temperature is too high or too low. The expansion interface circuit 14 is used as a data transmission interface, can provide a bottom interface control protocol, performs communication protocol conversion on externally input data signals or sensing detection signals to generate data which can be identified and processed by the control circuit 11, and performs communication protocol conversion on control signals output by the control circuit 11 to generate data which can be identified and processed by external equipment, so that the purpose of bidirectional data interaction with the external equipment is achieved, the personalized development and application of a third party are facilitated, and the practicability of the control circuit of the beauty instrument is improved.

In a specific implementation, the current regulating circuit 12 and the electrode plate may be connected through an interface connector, and the current detecting circuit 13 and the electrode plate may be connected. The interface connector transmits the micro-current signal generated by the current regulating circuit 12 to the electrode plate; the current detection circuit 13 generates a current detection signal by detecting a micro-current signal output to the electrode pad through the interface connector. The electrode plate can be directly replaced when the electrode plate needs to be replaced subsequently through the interface connector, and the control panel corresponding to the control circuit of the beauty instrument does not need to be modified.

The embodiment of the application can realize expanding the application function as required in concrete application, carries out multi-gear adjustment and carries out safety monitoring to little electric current signal of output, has improved beauty instrument control circuit's fail safe nature, practicality and expansibility, is applicable to different crowds and satisfies different cosmetic demands.

Referring to fig. 2, in one embodiment, the control circuit of the cosmetic apparatus further includes: a key circuit 15 and an indication driving circuit 16.

A key circuit 15 connected to the control circuit 11 and configured to generate an input control signal according to a user operation; an indication driving circuit 16 connected with the indicator lamp and the control circuit 11 and configured to generate an indication signal according to the indication control signal to drive the indicator lamp to indicate the working state of the beauty instrument control circuit; the control circuit 11 is further configured to generate an indication control signal according to the input control signal.

In a specific embodiment, the key circuit 15 includes a key switch, and a user operates the key switch to generate an input control signal and output the input control signal to the control circuit 11, the control circuit 11 generates an indication control signal according to the input control signal, and the indication driving circuit 16 generates an indication signal according to the indication control signal to drive the indicator lamp to turn on or off, thereby indicating the on/off state, the low power state, the normal operation state, or the like of the cosmetic instrument control circuit. Optionally, the pilot lamp includes at least one LED lamp, and this LED lamp can send the light of different colours to instruct states such as power on/off state and normal work in different functional modes, so that the user in time knows beauty instrument control circuit's operating condition, thereby in time adjusts according to using needs, in order to improve cosmetic effect and cosmetic experience.

Referring to fig. 3, in one embodiment, the control circuit 11 is further configured to generate a prompt driving signal according to the current detection signal and the input control signal; beauty instrument control circuit still includes: and a buzzer driving circuit 17.

And the buzzing driving circuit 17 is connected with the buzzer and the control circuit 11 and is configured to drive the buzzer to buzz according to the prompting driving signal.

In a specific implementation, optionally, the buzzer driving circuit 17 includes a switch component. The control circuit 11 generates a prompt driving signal according to the input control signal to drive the switch component to conduct the power signal loaded on the buzzer, so as to drive the buzzer to perform a buzzing prompt. Further, the control circuit 11 may further generate a prompting driving signal according to the current detection signal and the input control signal to drive the buzzer to prompt the on/off state or the functional mode switching state and the micro-current abnormality state. The buzzer driving circuit 17 and the buzzer can be used for giving a buzzing prompt for switching on and off and switching between different functional modes, and giving a buzzing prompt for abnormal conditions such as over-temperature or over-high micro-current.

Referring to fig. 4, in one embodiment, the control circuit 11 is further configured to generate a cooling control signal and a blue light driving control signal according to an input control signal; beauty instrument control circuit still includes: a cold compress drive circuit 18 and a blue drive circuit 19.

The cold compress driving circuit 18 is connected with the control circuit 11 and the refrigeration assembly and is configured to generate a refrigeration driving signal according to the refrigeration control signal so as to drive the refrigeration assembly to refrigerate; and the blue light driving circuit 19 is connected with the blue light source and control circuit 11 and is configured to drive the blue light source to emit light according to the blue light driving control signal.

In the specific implementation, the refrigeration assembly comprises a cold-hot dual-purpose refrigeration piece, the cold surface of the refrigeration piece is used for refrigeration, and the hot surface of the refrigeration piece is connected with the radiating fins. The blue light source is a blue light LED, and the blue light LED can emit blue light with specific wavelength to irradiate the skin, so that the skin cells are promoted to be metabolized, and the purposes of resisting wrinkles and preventing aging are achieved. The cold side and the blue light LED lamp plate of refrigeration piece are connected, and control circuit 11 generates the refrigeration control signal according to input control signal, and cold compress drive circuit 18 generates the refrigeration drive signal according to the refrigeration control signal to drive the quick refrigeration of refrigeration subassembly, optional refrigeration 5 to 8 seconds can reduce the temperature to the required temperature value of cold compress, can effectual shrink pore, reach the cosmetic purpose of cold compress, realize the cold compress function. The control circuit 11 can control cold compress and blue light irradiation simultaneously according to the input control signal, promote skin cells to carry out metabolism, thereby being anti-wrinkle and anti-aging, simultaneously being capable of rapidly and effectively promoting pore shrinkage and improving the beauty effect.

Referring to fig. 5, in one embodiment, the control circuit 11 is further configured to generate a vibration control signal according to an input control signal; beauty instrument control circuit still includes: the driving circuit 20 is vibrated.

And the vibration driving circuit 20 is connected with the control circuit 11 and the vibration component and is configured to generate a vibration driving signal according to the vibration control signal so as to drive the vibration component to vibrate.

In a specific implementation, the vibration component can adopt a motor. The control circuit 11 generates a vibration control signal according to the input control signal, the vibration driving circuit 20 generates a driving signal according to the vibration control signal to drive the motor to vibrate, and the motor vibration can drive the electrode plates to vibrate to massage the skin and realize the ion introduction function; the skin cleaning function can be realized by matching with cleaning articles. Mechanical vibration and ion introduction are adopted, skin care essence is introduced into the skin after the skin is cleaned, nutrients are absorbed to the maximum extent, metabolism of skin cells is enhanced, and the skin of a human body becomes better.

Referring to fig. 6, in one embodiment, the control circuit 11 is further configured to generate a radio frequency control signal and a red light driving control signal according to an input control signal; beauty instrument control circuit still includes: a radio frequency circuit 21 and a red light driving circuit 22.

The radio frequency circuit 21 is connected with the control circuit 11 and the electrode plate and is configured to generate a radio frequency signal to the electrode plate according to the radio frequency control signal; and the red light driving circuit 22 is connected with the red light source and control circuit 11 and is configured to drive the red light source to emit light according to the red light driving control signal.

In specific implementation, the radio frequency circuit 21 may adopt a radio frequency generation module, the control circuit 11 generates a radio frequency control signal according to the input control signal, and the radio frequency circuit 21 generates a radio frequency signal in a certain frequency range according to the radio frequency control signal to the electrode sheet, and the radio frequency signal acts on human skin through the electrode sheet. The radio frequency signal generated by the radio frequency circuit 21 is a high-frequency alternating current variable electromagnetic wave, the frequency is 300 KHz-300 GHz, the high-frequency oscillation electromagnetic wave acts on the surface layer of the skin, the heat energy generated by the electromagnetic wave can heat the dermis layer, the collagen cells under the dermis can be contracted and tensioned after heating, the collagen cells can be promoted to be regenerated, and the skin can reach the state of compactness, fullness and elasticity. The red light driving circuit 22 includes a switching element and the red light source is a red LED. The control circuit 11 generates a red light driving control signal according to the input control signal to control the switch component in the red light driving circuit 22 to conduct the power signal to the red light LED to drive the red light LED to emit light, and emit red light with a specific wavelength to irradiate on the skin to promote the metabolism of skin cells. The control circuit 11 controls the radio frequency circuit 21 to output radio frequency signals, so that the hot compress function can be realized; and the red light driving circuit is controlled to drive the red light LED to emit red light, and the hot compress is matched with the irradiation of the red light source, so that the skin condition of the human body is improved, and the beautifying effect is effectively improved.

Referring to fig. 7, in one embodiment, the control circuit 11 is further configured to generate a charging control signal and a display signal according to an input control signal; beauty instrument control circuit still includes: a power management circuit 23 and a display circuit 24.

A power management circuit 23, connected to the control circuit 11 and the battery, respectively, and configured to generate a third direct current according to the charging control signal and the second direct current to supply power to the cosmetic instrument control circuit, and generate a charging signal according to the charging control signal and the second direct current to charge the battery; the display circuit 24 is connected to the control circuit 11 and configured to display an operating state of the beauty instrument control circuit based on a display signal.

In a specific implementation, the battery is a lithium battery or a storage battery. The optional power management circuit 23 comprises a charging interface circuit and a battery charging management circuit, and is connected with the second direct current through the charging interface circuit, and generates a third direct current according to the first sub-charging control signal and the second direct current to supply power to the beauty instrument control circuit; and the battery charging management circuit performs voltage conversion and voltage stabilization processing on the third direct current according to the second sub-charging control signal to generate a charging signal to charge the battery, wherein the charging control signal comprises a first sub-charging control signal and a second sub-charging control signal. Optionally, the second dc power is provided by an external dc power supply. Under the condition that the second direct current is not accessed, the battery releases electric energy to supply power to the beauty instrument control circuit. The power supply of the beauty instrument control circuit is managed by the power supply management circuit 23, so that the service life of the battery can be effectively prolonged, and the practicability and reliability of the beauty instrument control circuit are improved.

Furthermore, the electric quantity of the battery can be monitored through the power management circuit 23, and the electric quantity is timely fed back to the control circuit 11 to be controlled, for example, when the electric quantity of the battery is lower than a preset threshold value of the first electric quantity, the control circuit 11 controls the shutdown, so that the purpose of preventing the over-discharge of the battery is achieved, and the service life of the battery is protected.

The display circuit 24 includes a display screen, and the control circuit 11 generates a display signal according to the input control signal to control the display circuit to display the working state of the control circuit of the beauty instrument, such as the micro-current at different gears and the states of different functional modes such as micro-current lifting, ion introduction, cleaning, hot compress or cold compress, so that the user can know the working state of the control circuit of the beauty instrument in time and know the beauty condition of the user in time. Further, the display circuit 24 may display the electrode plate temperature or the ambient temperature information, the battery level, and the like under the control of the control circuit 11.

Referring to fig. 8, in one embodiment, the current detection circuit 13 includes: a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first capacitor C1 and a first operational amplifier U7B; wherein, the first end of the first resistor R1 and the first end of the third resistor R3 are commonly connected to the micro-current signal output terminal of the current adjusting circuit 12, the first end of the second resistor R2 is connected to the first end of the first resistor R1, the second end of the second resistor R2 is connected to the first end of the third resistor R3, the second end of the first resistor R1 is connected to the first end of the fourth resistor R4 and the inverting input terminal IN 2-of the first operational amplifier U7B, the second end of the fourth resistor R4 is connected to the power ground, the non-inverting input terminal IN2+ of the first operational amplifier U7B is connected to the second end of the third resistor R3 and the first end of the fifth resistor R5, the output terminal of the first operational amplifier U7B and the second end of the fifth resistor R5 are commonly connected to the control circuit 11, the ground terminal of the first operational amplifier U7B is connected to the power ground, the first operational amplifier U7B and the first end of the first capacitor 1 are connected to the first power supply terminal C, a second terminal of the first capacitor C1 is connected to power ground.

In a specific implementation, the first direct current end outputs a first direct current, and the voltage of the first direct current is V +. The current detection circuit 13 may be connected to the electrode pad through a connector J7, and generates a current detection signal by detecting a micro-current signal output to the electrode pad, and outputs the current detection signal to the control circuit 11, so that the control circuit 11 may analyze and compare the current detection signal to obtain a micro-current value, and determine whether the micro-current output to the electrode pad is abnormal, and if the micro-current output to the electrode pad is abnormal (for example, greater than a preset micro-current threshold), the control circuit 11 adjusts the shift control signal to control the current adjustment circuit 12 to adjust the output micro-current signal in time, or control the current adjustment circuit 12 to turn off the output micro-current signal, thereby achieving the purpose of safety control.

Referring to fig. 9, in one embodiment, the cold compress driving circuit 18 includes: a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a first inductor L1, a first field effect transistor Q1, a second field effect transistor Q2, a third field effect transistor Q3, a fourth field effect transistor Q4, and a first voltage stabilizer U1; wherein, the first terminal of the second capacitor C2 is connected to the internal voltage stabilization output terminal VL of the first voltage stabilizer U1, the second terminal of the second capacitor C2 is connected to the power ground, the pre-drive supply terminal BST of the first voltage stabilizer U1 is connected to the first terminal of the third capacitor C3, the second terminal of the third capacitor C3 and the switching value output terminal LX of the first voltage stabilizer U1 are commonly connected to the first terminal of the first inductor L1, the second terminal of the first inductor L1 and the first terminal of the fourth capacitor C4, the first terminal of the sixth resistor R6 and the first terminal of the fifth capacitor C5 are commonly connected to the refrigeration component, the second terminal of the fifth capacitor C5 is connected to the power ground, the voltage monitoring feedback terminal FB of the first voltage stabilizer U1 and the second terminal of the fourth capacitor C4, the second terminal of the sixth resistor R6 and the first terminal of the seventh resistor R5966 are commonly connected to the second terminal of the external soft start terminal FB of the first voltage stabilizer U1 and the sixth terminal 6 and the second terminal of the capacitor C6 are connected to the power ground, the enable terminal EN of the first regulator U1, the power input terminal VIN of the first regulator U1, and the first terminal of the seventh capacitor C7 are all connected to the third dc terminal, and the second terminal of the seventh capacitor C7 is connected to the power ground.

A second end of the seventh resistor R7 is connected to a first end of the eighth resistor R8 and a drain of the first fet Q1, a gate of the first fet Q1 is connected to a first end of the ninth resistor R9, a source of the first fet Q1 and a second end of the ninth resistor R9 are connected to the power ground, a second end of the eighth resistor R8 is connected to a first end of the eleventh resistor R11 and a drain of the second fet Q2, a gate of the second fet Q2 is connected to a first end of the tenth resistor R10, a source of the second fet Q2 and a second end of the tenth resistor R10 are connected to the power ground, a second end of the eleventh resistor R11 is connected to a first end of the thirteenth resistor R13 and a drain of the third fet Q3, a second end of the thirteenth resistor R13 is connected to the power ground, a gate of the third fet Q3 is connected to a first end of the twelfth resistor R395, a second end of the third fet Q3 is connected to the source of the twelfth resistor Q57324 and a second end of the twelfth resistor Q57324, the gate of the fourth fet Q4 is connected to the first end of the fourteenth resistor R4, the source of the fourth fet Q4 is connected to the second end of the fourteenth resistor R4, the drain of the fourth fet Q4 and the first end of the fifteenth resistor R15 are connected to the refrigeration component in common, the second end of the fifteenth resistor R15 is connected to the power ground, and the gate of the first fet Q1, the gate of the second fet Q2, the gate of the third fet Q3 and the gate of the fourth fet Q4 are connected to the control circuit 11 in common.

In specific implementation, the refrigeration assembly is a refrigeration piece, also called a thermoelectric semiconductor refrigeration assembly. The cold compress drive circuit 18 is connected to the cold plate via connector J3 to facilitate replacement of the cold plate in the event of a failure of the cold plate. The third direct current end outputs a third direct current, and the voltage of the third direct current is + 3.3V. The first voltage stabilizer U1 adopts a voltage stabilizer with the model of XC9248B085QR-G, and can output stable direct current to the refrigerating sheet. The control circuit 11 outputs a refrigeration control signal to the grid of the first field effect transistor Q1, the grid of the second field effect transistor Q2, the grid of the third field effect transistor Q3 and the grid of the fourth field effect transistor Q4, and controls the on and off of the first field effect transistor Q1, the second field effect transistor Q2, the third field effect transistor Q3 and the fourth field effect transistor Q4, so that the current output to the refrigeration piece is controlled, and the purposes of rapid refrigeration and pore contraction by cold compress are achieved.

In a specific implementation, the control circuit 11 comprises a microprocessor. Optionally, the microprocessor adopts a micro-control unit with a model of PIC16F1946-I/PT, and can automatically control the current regulating circuit 12, the cold compress driving circuit 18, the vibration driving circuit 20, the radio frequency circuit 21 and the like according to an input control signal, switch beauty function modes of cleaning, leading-in, lifting, hot compressing, cold compressing and the like according to a certain sequence, and realize various beauty functions according to a preset time length; meanwhile, related beautifying functions can be executed according to the operation keys of the user, one product can be suitable for different crowds and meet different abundant beautifying application requirements, and the autonomous beautifying effect is improved.

In the specific implementation, the cosmetic instrument control circuit is designed with a ground wire which is in contact with a human body to form a loop, the electricity utilization safety is realized, namely, the electrode plate and the cosmetic instrument control circuit are connected through the interface connector J7, the ground wire is led out from the interface connector J7, the ground wire is led out from all the component circuits of the cosmetic instrument control circuit, and when the electrode plate is in contact with the human body, the loop is formed and is conducted to the ground, the electricity utilization safety is realized, and the safety reliability of the cosmetic instrument control circuit is improved.

A second aspect of the embodiments of the present application provides a cosmetic apparatus, which includes: a body member adapted to be hand-held and a cosmetic instrument control circuit as defined in any one of the preceding claims; the beauty instrument control circuit is arranged in the body member.

In the concrete implementation, a shell made of a metal material can be arranged on the body piece through a chromium electroplating process, and the metal shell is connected with the printed circuit board corresponding to the control circuit of the beauty instrument through screws, so that the grounding can be effectively protected, and the electricity utilization safety of the beauty instrument is improved.

The body piece can expand application functions as required after products leave factory, carry out multi-gear adjustment on output micro-current signals and carry out safety monitoring on micro-current, improves the safety reliability, the practicability and the expansibility of a control circuit of the beauty instrument, is suitable for different crowds and meets different beauty requirements, can automatically switch beauty function modes such as cleaning, leading-in, lifting, hot compress and cold compress according to a certain sequence, and can realize various beauty functions according to preset time; meanwhile, related beauty functions can be executed according to the operation keys of the user, the beauty instrument can be suitable for different crowds and meets the requirements of abundant beauty application of the user, and the use is safe.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the functional units, modules and circuits described above are illustrated as being divided into different functional units, modules and circuits, and in practical applications, the functions may be divided into different functional units, modules and circuits according to different requirements, that is, the internal structure of the device may be divided into different functional units, modules or circuits to complete all or part of the functions described above. In the embodiments, each functional unit, module, and circuit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units, modules and circuits are only used for distinguishing one from another, and are not used for limiting the protection scope of the present application.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. The utility model provides a beauty instrument control circuit, with electrode slice connection, its characterized in that, beauty instrument control circuit includes:

2. The cosmetic instrument control circuit of claim 1, further comprising:

the indication driving circuit is connected with the indication lamp and the control circuit and is configured to generate an indication signal according to an indication control signal so as to drive the indication lamp to indicate the working state of the beauty instrument control circuit;

3. The cosmetic instrument control circuit of claim 2, wherein the control circuit is further configured to generate a prompt drive signal based on the current detection signal and the input control signal;

the beauty instrument control circuit further comprises:

4. The cosmetic instrument control circuit of claim 1 wherein the control circuit is further configured to generate a refrigeration control signal and a blue light drive control signal based on the input control signal;

the beauty instrument control circuit further comprises:

5. The cosmetic instrument control circuit of claim 1, wherein the control circuit is further configured to generate a vibration control signal based on the input control signal;

the beauty instrument control circuit further comprises:

6. The cosmetic instrument control circuit of claim 1, wherein the control circuit is further configured to generate a radio frequency control signal and a red light drive control signal based on the input control signal;

the beauty instrument control circuit further comprises:

7. The cosmetic instrument control circuit of claim 1, wherein the control circuit is further configured to generate a charging control signal and a display signal based on the input control signal;

the beauty instrument control circuit further comprises:

8. The cosmetic instrument control circuit of claim 1, wherein the current detection circuit comprises: the circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first capacitor and a first operational amplifier;

9. The cosmetic instrument control circuit of claim 4 wherein the cold compress drive circuit comprises: the second capacitor, the third capacitor, the fourth capacitor, the fifth capacitor, the sixth capacitor, the seventh capacitor, the sixth resistor, the seventh resistor, the eighth resistor, the ninth resistor, the tenth resistor, the eleventh resistor, the twelfth resistor, the thirteenth resistor, the fourteenth resistor, the fifteenth resistor, the first inductor, the first field effect transistor, the second field effect transistor, the third field effect transistor, the fourth field effect transistor and the first voltage stabilizer;

10. A cosmetic device, characterized in that it comprises: a body member adapted to be hand-held and a cosmetic instrument control circuit as claimed in any one of claims 1 to 9;

the beauty instrument control circuit is arranged in the body piece.