CN220673974U

CN220673974U - Dynamic interference wave light pulse control circuit and photocosmetic instrument

Info

Publication number: CN220673974U
Application number: CN202420306992.XU
Authority: CN
Inventors: 魏三刚; 刘然; 马永强; 王崟; 王国庆; 胡永岚
Original assignee: Guan Yeolight Technology Co Ltd
Current assignee: Guan Yeolight Technology Co Ltd
Priority date: 2024-02-20
Filing date: 2024-02-20
Publication date: 2024-03-26
Anticipated expiration: 2034-02-20

Abstract

The utility model discloses a dynamic interference wave light pulse control circuit and a light beauty instrument. The dynamic interference wave optical pulse control circuit comprises: the dynamic interference wave control module comprises a first control module, wherein the first control module comprises at least two waveform generation sub-modules, and the main control module outputs different control signals to the at least two waveform generation sub-modules, so that the first control module outputs driving signals formed by interference of driving waves of at least two different waveforms to a light-emitting unit of a preset color; and/or the dynamic interference wave control module comprises at least two second control modules, each second control module comprises a waveform generation sub-module, and the main control module outputs different control signals to the waveform generation sub-modules of the at least two second control modules, so that the dynamic interference wave control module respectively outputs driving signals with different waveforms to the light-emitting units with different light-emitting colors. The embodiment of the utility model enables the light pulse emitted by the photocosmetic instrument to be more various, and meets the diversified demands of users.

Description

Dynamic interference wave light pulse control circuit and photocosmetic instrument

Technical Field

The utility model relates to the technical field of photocosmetics, in particular to a dynamic interference wave light pulse control circuit and a photocosmetic instrument.

Background

With the improvement of living standard, people pay more attention to skin health of parts such as face, and beauty equipment such as a light beauty instrument is generated.

Fig. 1 is a schematic diagram of a conventional photocosmetic device driving circuit, referring to fig. 1, including an MCU and at least two transistor driving circuits, each connected to an LED of one light emitting color. MCU is connected with each triode drive circuit electricity respectively, and after the MCU was to triode drive circuit output pulse signal, the LED is luminous by triode drive circuit drive. All triode driving circuits in the existing driving circuit can only output square waves with the same amplitude, so that the light pulse form emitted by the LED is single. Therefore, the light pulse emitted by the existing photocosmetic instrument has a single form, and cannot meet the diversified demands of users. Illustratively, two triode driver circuits are shown in fig. 1, with the output LED1 of the first triode driver circuit electrically connected to the first color LED and the output LED2 of the second triode driver circuit connected to the second color LED. The first triode driving circuit and the second triode driving circuit can only output square waves with the same amplitude, so that the luminous pulse forms of the first color LED and the second color LED are single.

Disclosure of Invention

The utility model provides a dynamic interference wave light pulse control circuit and a light beauty instrument, so that light pulses emitted by the light beauty instrument are more various, and the diversified requirements of users are met.

According to an aspect of the present utility model, there is provided a dynamic interference wave optical pulse control circuit comprising:

a main control module and a dynamic interference wave control module;

the dynamic interference wave control module comprises a first control module; the first control module comprises at least two waveform generation sub-modules, the control end of each waveform generation sub-module is electrically connected with the main control module, the output ends of the at least two waveform generation sub-modules are electrically connected with the light-emitting units of the preset light-emitting colors, and the main control module is used for outputting different control signals to the at least two waveform generation sub-modules, so that at least two of the at least two waveform generation sub-modules respectively output driving waves of different waveforms, and the first control module outputs driving signals formed by interference of the driving waves of the at least two different waveforms to the light-emitting units of the preset light-emitting colors; and/or the number of the groups of groups,

the dynamic interference wave control module comprises at least two second control modules, each second control module comprises a waveform generation sub-module, the control end of each waveform generation sub-module of each second control module is electrically connected with the main control module, the output end of each waveform generation sub-module of each second control module is electrically connected with a luminous unit with luminous color, at least part of luminous colors of the luminous units connected with the waveform generation sub-modules of the second control modules are different, and the main control module is used for outputting different control signals to the waveform generation sub-modules of the at least two second control modules, so that the dynamic interference wave control module outputs driving signals with different waveforms to the luminous units with different luminous colors.

Optionally, the dynamic interference wave control module includes at least two first control modules;

the output end of each first control module is electrically connected with the light-emitting units with one light-emitting color, and the light-emitting colors of at least part of the light-emitting units connected with the first control modules are different from the light-emitting colors of the light-emitting units connected with other first control modules.

Optionally, the main control module is further configured to output different control signals to at least part of the first control modules, so that at least part of the first control modules output driving signals with different waveforms.

Optionally, the main control module is further configured to output a control signal to only one waveform generation sub-module in the first control module.

Optionally, the waveform generation submodule includes a reference level generation unit and a waveform generation circuit;

the input end of the reference level generating unit is electrically connected with the main control module, and the output end of the reference level generating unit is electrically connected with the first input end of the waveform generating circuit;

the second input end of the waveform generation circuit is electrically connected with the main control module, and the output end of the waveform generation circuit is electrically connected with the light-emitting unit;

the reference level generating unit is used for outputting a reference level signal after receiving a first control signal of the main control module;

the waveform generation circuit is used for outputting a driving wave with a specific waveform after receiving the waveform output signal of the main control module.

Optionally, the waveform generation circuit includes a digital-to-analog conversion unit, an amplifying unit and an output control unit;

the first input end of the digital-to-analog conversion unit is electrically connected with the first input end of the amplifying unit and the output end of the reference level generating unit;

the second input end of the digital-to-analog conversion unit is electrically connected with the main control module, and the output end of the digital-to-analog conversion unit is electrically connected with the second input end of the amplifying unit;

the output end of the amplifying unit is electrically connected with the input end of the output control unit, and the output end of the output control unit is electrically connected with the light-emitting unit;

the digital-to-analog conversion unit is used for outputting an analog signal with a specific waveform after receiving a second control signal of the main control module;

the amplifying unit is used for amplifying the analog signal and outputting the amplified analog signal to the output control unit;

the output control unit is used for outputting a driving signal with a specific waveform after receiving the amplified analog signal.

Optionally, the reference level generating unit includes a third-order RC filter and a follower, an input end of the third-order RC filter is electrically connected with the main control module, an output end of the third-order RC filter is electrically connected with an input end of the follower, and an output end of the follower is an output end of the reference level generating unit;

the output control unit comprises a first triode, a first resistor, a second resistor, a third resistor, a fourth resistor and a diode;

the control electrode of the first triode is electrically connected with the output end of the amplifying unit through the first resistor, the first electrode of the first triode is electrically connected with the second end of the second resistor and the second end of the diode respectively, and the first end of the second resistor and the first end of the diode are used for receiving a first power supply voltage;

the second electrode of the first triode is electrically connected with the first end of the third resistor, and the second end of the third resistor is electrically connected with the second end of the fourth resistor and then grounded; the first end of the fourth resistor is electrically connected with the control electrode of the first triode.

Optionally, the control circuit further includes:

the control end of the ranging module is electrically connected with the main control module, and the output end of the ranging module is electrically connected with the main control module;

the distance measuring module is used for measuring the distance between the user and the distance measuring module when receiving the distance measuring control signal sent by the main control module and transmitting the measured distance signal to the main control module.

Optionally, the control circuit further includes:

an atomization control module and a power supply control module;

the control end of the atomization control module is electrically connected with the main control module; the power supply control module is electrically connected with the main control module;

the atomization control module is used for outputting an oscillation control signal to the oscillation sheet after receiving the atomization control signal output by the main control module, and controlling the vibration frequency of the oscillation sheet;

the power supply control module is used for outputting power supply signals for the dynamic interference wave control module, the ranging module and the atomization control module after receiving the power supply signals output by the main control module.

According to another aspect of the present utility model, there is provided an optical cosmetic apparatus comprising the dynamic interference wave optical pulse control circuit of any of the present utility model.

The dynamic interference wave optical pulse control circuit provided by the embodiment of the utility model comprises: the system comprises a main control module and a dynamic interference wave control module, wherein the dynamic interference wave control module comprises a first control module and/or a second control module, the first control module comprises at least two waveform generation sub-modules, and each second control module comprises a waveform generation sub-module. After receiving different control signals sent by the main control module, at least two waveform generation sub-modules of the first control module respectively output driving waves with different waveforms, so that the first control module outputs driving signals formed by interference of the driving waves with at least two different waveforms to a light-emitting unit with preset colors, the driving signals formed by dynamic interference of the driving waves with at least two different waveforms are more various in form, and when the light-emitting unit is driven to emit light by the driving signals, the light-emitting unit can emit more various light waves. At least two second control modules receive the control signals and then respectively output driving signals with different waveforms to at least two light-emitting units with different light-emitting colors, and after the at least two light-emitting units with different light-emitting colors receive the driving signals with different waveforms, light with different waveforms is emitted, and the light with at least two different waveforms forms dynamic interference waves, so that the light wave forms are more various. Therefore, the dynamic interference wave light pulse control circuit provided by the embodiment of the utility model enables the light emitting unit to emit more various light pulses, so that the light beauty instrument can emit dynamic interference light pulses (DILP, dynamic Interference Light Pulse), the emitted light pulses are more various, and the diversified requirements of users are met.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.

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 schematic diagram of a prior art photocosmetic instrument drive circuit;

FIG. 2 is a schematic diagram of a dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a further dynamic interference wave optical pulse control circuit provided by an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a further dynamic interference wave optical pulse control circuit provided by an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a further dynamic interference wave optical pulse control circuit provided by an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model;

FIG. 8 is a schematic circuit diagram of a waveform generation sub-module according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a further dynamic interference wave optical pulse control circuit provided by an embodiment of the present utility model;

FIG. 10 is a circuit diagram of a ranging module provided by an embodiment of the present utility model;

fig. 11 is a circuit diagram of an atomization control module according to an embodiment of the present utility model.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

An embodiment of the present utility model provides a dynamic interference wave optical pulse control circuit, fig. 2 is a schematic diagram of the dynamic interference wave optical pulse control circuit provided by the embodiment of the present utility model, fig. 3 is a schematic diagram of another dynamic interference wave optical pulse control circuit provided by the embodiment of the present utility model, fig. 4 is a schematic diagram of another dynamic interference wave optical pulse control circuit provided by the embodiment of the present utility model, and referring to fig. 2 to fig. 4, the dynamic interference wave optical pulse control circuit includes:

a main control module 10 and a dynamic interference wave control module 20;

referring to fig. 2, the dynamic interference wave control module 20 includes a first control module 21; the first control module 21 includes at least two waveform generation sub-modules 201, wherein a control end of each waveform generation sub-module 201 is electrically connected with the main control module 10, an output end of each waveform generation sub-module 201 is electrically connected with a light emitting unit of a preset light emitting color, the main control module 10 is used for outputting different control signals to the at least two waveform generation sub-modules 201, so that at least two of the at least two waveform generation sub-modules 201 respectively output driving waves of different waveforms, and the first control module outputs driving signals formed by interference of the driving waves of at least two different waveforms to the light emitting unit of the preset light emitting color; and/or, referring to fig. 3, the dynamic interference wave control module 20 includes at least two second control modules 22, each second control module 22 includes a waveform generation sub-module 201, a control end of the waveform generation sub-module 201 of each second control module 22 is electrically connected to the main control module 10, an output end of the waveform generation sub-module 201 of each second control module 22 is respectively electrically connected to a light emitting unit with a light emitting color, light emitting colors of the light emitting units connected to the waveform generation sub-modules of at least part of the second control modules 22 are different, and the main control module 10 is configured to output different control signals to the waveform generation sub-modules 201 of at least two second control modules 22, so that the dynamic interference wave control module 20 outputs driving signals with different waveforms to the light emitting units with different light emitting colors.

The light beauty instrument may include therein a light emitting unit of one, two or more different light emitting colors, and illustratively, may include therein a red LED, a green LED, a blue LED and an infrared LED. The main control module 10 may include an MCU. The main control module 10 may send a control signal to the dynamic interference wave control module 20 after being triggered. The dynamic interference wave control module 20 receives the control signal and drives the light emitting unit to emit light. The drive wave different waveforms may be different in at least one of frequency, amplitude, duty cycle, and shape of the drive wave. The different waveforms of the driving signal may be at least one of different frequency, amplitude, duty cycle, and shape of the driving signal. The waveform generation sub-module 201 receives different control signals, and outputs different waveforms of the driving waves. For example, the waveform generation sub-module 201 may output a square wave, a triangular wave, a sawtooth wave, or the like.

The dynamic interference wave control module 20 may output a driving signal formed by interference of driving waves of at least two different waveforms to a light emitting unit of a certain color, or may output a driving signal formed by interference of driving waves of at least two different waveforms to a light emitting unit of two or more colors, respectively, and the waveforms of the driving signals respectively output to the light emitting units of two or more colors may be the same or different, which is not particularly limited in this embodiment.

Specifically, referring to fig. 2, the first control module 21 outputs a driving signal formed by dynamic interference of driving waves of at least two different waveforms to the light emitting unit of a preset color, and forms of the driving signal formed by the interference of the driving waves of at least two different waveforms are more various, so that the light emitting unit can emit more various light waves when the light emitting unit is driven to emit light by the driving signal.

The dynamic interference wave control module 20 may include one, two or more first control modules 21, and each first control module 21 corresponds to a light emitting unit that controls one light emitting color. The different waveform generation sub-modules 201 may output the same waveform of driving waves or different waveforms of driving waves, and at least two waveform generation sub-modules 201 in the first control module 21 may output at least two different waveforms of driving waves. For example, the first control module 21 may include three waveform generation sub-modules 201, and the main control module 10 may control two or three waveform generation sub-modules 201 to output driving waves of different waveforms, respectively. The dynamic interference wave control module 20 comprises a first control module 21; the first control module 21 includes at least two waveform generation sub-modules 201, where the at least two waveform generation sub-modules 201 can output at least two driving waves with different waveforms, so that the driving signals output by the first control module 21 are more diversified, and the light emitted by the light emitting unit is more diversified.

Referring to fig. 3, the main control module 10 may include two or more second control modules 22, and each of the second control modules 22 is connected to a light emitting unit of one light emitting color. The number of the second control modules 22 may be greater than or equal to the number of the light emitting colors of the light emitting units, that is, the light emitting units with the same color may be respectively connected to different second control modules 22. The photocosmetic device includes four light emitting units with different light emitting colors, wherein each light emitting unit with different light emitting colors is provided with a second control module 22, or part of the light emitting units with certain light emitting colors are connected with one second control module 22, and the other part of the light emitting units are connected with the other second control module 22. The dynamic interference wave control module 20 outputs driving signals of different waveforms to the light emitting units of different light emitting colors, respectively, and it may be that at least two second control modules 22 of the dynamic interference wave control module 20 output driving signals of different waveforms, respectively, or that a part of at least two second control modules 22 of the dynamic interference wave control module 20 output driving signals of different waveforms, and illustratively, two of the three second control modules 22 output driving signals of different waveforms.

The dynamic interference wave control module 20 outputs driving signals of different waveforms to at least two light emitting units of different light emitting colors, respectively, and may output driving signals of different waveforms to two or more light emitting units of different light emitting colors, respectively. The dynamic interference wave control module 20 outputs driving signals of different waveforms to the light emitting units of at least two different light emitting colors, respectively, and the light of different waveforms is emitted after the light emitting units of at least two different light emitting colors receive the driving signals of different waveforms, so that the light of at least two different waveforms interfere with each other to form dynamic interference waves.

It should be noted that, referring to fig. 2 to fig. 4, the dynamic interference wave optical pulse control circuit according to the embodiment of the present utility model may include only the first control module 21 (fig. 2), only the second control module 22 (fig. 3), and both the first control module 21 and the second control module 22 (fig. 4). For example, all the light emitting units with the light emitting colors may be driven by the first control module 21, all the light emitting units may be driven by the second control module 22, or some of the light emitting units with the light emitting colors may be driven by the first control module 21, and some of the light emitting units with the light emitting colors may be driven by the second control module 22.

The dynamic interference wave optical pulse control circuit provided by the embodiment of the utility model comprises: the dynamic interference wave control module 20 comprises a first control module 21 and/or a second control module 22, wherein the first control module 21 comprises at least two waveform generation sub-modules 201, and each second control module 22 comprises one waveform generation sub-module 201. After receiving the different control signals sent by the main control module 10, at least two waveform generation sub-modules 201 of the first control module 21 output driving waves with different waveforms respectively, so that the first control module 21 outputs driving signals formed by interference of the driving waves with at least two different waveforms to a light emitting unit with a preset color, and the driving signals formed by dynamic interference of the driving waves with at least two different waveforms are more various, so that when the light emitting unit is driven to emit light by the driving signals, the light emitting unit can emit more various light waves. At least two second control modules 22 receive different control signals sent by the main control module 10 and then output driving signals with different waveforms to at least two light emitting units with different light emitting colors respectively, and after the at least two light emitting units with different light emitting colors receive the driving signals with different waveforms, light with different waveforms is emitted, and at least two light with different waveforms form dynamic interference waves, so that the light wave forms are more various. Therefore, the dynamic interference wave light pulse control circuit provided by the embodiment of the utility model enables the light emitting unit to emit more various light pulses, so that the light beauty instrument can emit DILP, the emitted light pulses are more various, and the diversified demands of users are met.

FIG. 5 is a schematic diagram of another dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model, and referring to FIG. 5, the dynamic interference wave control module 20 includes at least two first control modules 21;

the output end of each first control module 21 is electrically connected with the light emitting units of one light emitting color, and at least part of the light emitting units connected with the first control modules 21 have different light emitting colors from the light emitting units connected with the other first control modules 21.

Specifically, the dynamic interference wave control module 20 may include two or more first control modules 21, and an exemplary photocosmetic instrument includes light emitting units of four different light emitting colors, the dynamic interference wave control module 20 may include four first control modules 21, each first control module 21 respectively driving a light emitting unit of one light emitting color, or the dynamic interference wave control module may include more than four first control modules 21, and light emitting colors of light emitting units driven by some first control modules 21 are the same. The main control module 10 may output the same or different control signals to each first control module 21, so that waveforms of driving signals sent by different first control modules 21 are the same or different.

The light emitting units driven by the first control module 21 can emit various light waves, the dynamic interference wave control module 20 comprises at least two first control modules 21, and the light emitting colors of the light emitting units connected by at least part of the first control modules 21 are different from those of the light emitting units connected by other first control modules 21, so that the light emitting units of two or more light emitting colors in the light beauty instrument can emit various light waves.

Optionally, the main control module 10 is further configured to output different control signals to at least part of the first control modules 21, so that at least part of the first control modules 21 output driving signals with different waveforms.

Specifically, the main control module 10 can output different control signals to the first control modules 21 connected with the light emitting units with different light emitting colors, so that the first control modules 21 connected with the light emitting units with different light emitting colors output driving signals with different waveforms, the waveforms of the driving signals received by the light emitting units with different light emitting colors are different, the light emitting units with different light emitting colors emit light waves with different waveforms, and the light waves with different waveforms interfere with each other to form dynamic interference waves, so that the diversity of light pulses of the light beauty instrument is further improved.

Optionally, the main control module 10 is further configured to output a control signal to only one waveform generation sub-module 201 in the first control module 21.

Specifically, the main control module 10 may also output a control signal to only one waveform generation sub-module 201 in each first control module 21 according to the requirement, so that only one waveform generation sub-module 201 in the first control module 21 outputs a driving wave. And outputs different control signals to the first control module 21 connected to the light emitting units with different light emitting colors, so that the light emitting units with different light emitting colors emit light waves with different waveforms, and the light waves with different waveforms interfere with each other to form dynamic interference waves.

Fig. 6 is a schematic diagram of another dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model, and referring to fig. 6,

the waveform generation sub-module 201 includes a reference level generation unit 31 and a waveform generation circuit 210;

the input end of the reference level generating unit 31 is electrically connected with the main control module 10, and the output end is electrically connected with the first input end of the waveform generating circuit 210;

a second input end of the waveform generation circuit 210 is electrically connected with the main control module 10, and an output end of the waveform generation circuit 210 is electrically connected with the light-emitting unit;

the reference level generating unit 31 is configured to output a reference level signal after receiving the first control signal of the main control module 10;

the waveform generation circuit 210 is configured to output a driving wave with a specific waveform after receiving the waveform output signal of the main control module 10.

Specifically, the reference level generating unit 31 may output a stable reference level, and by setting the reference level generating unit 31, the waveform generating circuit 210 may generate a driving wave with higher stable precision, so that the control precision of the light emitting unit is higher and the light emission is more stable.

Fig. 7 is a schematic diagram of another dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model, and referring to fig. 7, a waveform generation circuit 210 includes a digital-to-analog conversion unit 32, an amplifying unit 33, and an output control unit 34;

the output end of the reference level generating unit 31 is electrically connected with the first input end of the digital-to-analog conversion unit 32 and the first input end of the amplifying unit 33;

a second input end of the digital-to-analog conversion unit 32 is electrically connected with the main control module 10, and an output end of the digital-to-analog conversion unit is electrically connected with a second input end of the amplifying unit 33;

the output end of the amplifying unit 33 is electrically connected with the input end of the output control unit 34, and the output end of the output control unit 34 is electrically connected with the light-emitting unit;

the digital-to-analog conversion unit 32 is configured to output an analog signal with a specific waveform after receiving the second control signal of the main control module 10;

the amplifying unit 33 is configured to amplify the analog signal and output the amplified analog signal to the output control unit 34;

the output control unit 34 is configured to output a driving signal of a specific waveform after receiving the amplified analog signal.

Specifically, the reference level generating unit 31 may output a stable reference level to provide stable level signals to the digital-to-analog converting unit 32 and the amplifying unit 33. The digital-to-analog conversion unit 32 may convert the digital signal into an analog signal with a corresponding waveform after receiving the digital signal sent from the main control module 10, amplify the analog signal by the amplifying unit 33, and output the amplified signal to the output control unit 34. The output control unit 34 is used for controlling the output of the driving wave and performing current adjustment on the driving wave so that the driving wave meets the driving requirement of the light emitting unit.

The waveform generation sub-module 201 of the embodiment of the present utility model can output a stable driving waveform to meet the driving requirement through the mutual cooperation of the reference level generation unit 31, the digital-to-analog conversion unit 32, the amplifying unit 33 and the output control unit 34.

Fig. 8 is a schematic circuit diagram of a waveform generation sub-module according to an embodiment of the present utility model, optionally, referring to fig. 8, the reference level generation unit 31 includes a third-order RC filter 311 and a follower 312, an input PWM1 of the third-order RC filter 311 is electrically connected to the main control module, an output is electrically connected to an input of the follower 312, and an output of the follower 312 is an output of the reference level generation unit 31;

the output control unit 34 includes a first transistor TR10, a first resistor R157, a second resistor R153, a third resistor R162, a fourth resistor R160, and a diode D25;

the control electrode of the first triode TR10 is electrically connected with the output end of the amplifying unit 33 through a first resistor R157, the first electrode of the first triode TR10 is electrically connected with the second end of a second resistor R153 and the second end of a diode D25 respectively, and the first end of the second resistor R153 and the first end of the diode D25 are used for receiving a first power supply voltage VCC-Work;

the second electrode of the first triode TR10 is electrically connected with the first end of the third resistor R162, and the second end of the third resistor R162 is electrically connected with the second end of the fourth resistor R160 and then grounded; a first terminal of the fourth resistor R160 is electrically connected to the gate of the first transistor TR 10.

Specifically, a first electrode of the first transistor TR10 is electrically connected to the light emitting unit. The third-order RC filter 311 may include a fifth resistor R164, a sixth resistor R165, a seventh resistor R166, a first capacitor C56, a second capacitor C57, and a third capacitor C58. The follower 312 may include a first amplifier D1, an eighth resistor R171 connected to the first amplifier D1, and a second capacitor C59. The output terminal of the third-order RC filter 311 is electrically connected to the positive input terminal of the first amplifier D1.

The digital-to-analog conversion unit 32 may include a digital-to-analog converter UY1, a ninth resistor R161, a tenth resistor R163, an eleventh resistor R154, and a third capacitor C53. The first end 1, the second end 2 and the fourth end 4 of the digital-to-analog converter UY1 are respectively used for receiving a first signal FSpiMosi1, a second signal FSpiSclk1 and a third signal FSpiNss1 sent by the main control module. The sixth terminal 6 of the digital-to-analog converter UY1 is arranged to receive the reference level output by the reference level generating unit 31. The ground terminal of the digital-to-analog converter UY1 is connected to the first ground GND1.

The amplifying unit 33 may include a second amplifier D2, a twelfth resistor R155, a thirteenth resistor R156, a fourteenth resistor R167, a fifteenth resistor R168, a sixteenth resistor R170, a seventeenth resistor R169, an eighteenth resistor R158, a nineteenth resistor R159, and a fourth capacitor C55.

Fig. 9 is a schematic diagram of another dynamic interference wave optical pulse control circuit according to an embodiment of the present utility model, and referring to fig. 9, optionally, the control circuit further includes:

the control end of the ranging module 40 is electrically connected with the main control module 10, and the output end of the ranging module 40 is electrically connected with the main control module 10;

the ranging module 40 is configured to measure a distance to a user when receiving a ranging control signal sent by the main control module 10, and transmit the measured distance signal to the main control module 10.

The main control module 10 is configured to adjust a control signal sent to the dynamic interference wave control module 20 after receiving the distance signal, so as to adjust a driving signal output by the dynamic interference wave control module 20.

Specifically, ranging module 40 may use infrared detection sensors or other ranging sensors. When the infrared detection sensor is adopted, in order to prevent the mutual influence of visible light emitted by the infrared detection sensor and the light emitting unit of the light beauty instrument, the distance detection error is larger, and the pulse frequency of the ranging light pulse output by the infrared detection sensor is set to be different from that of the visible light.

Fig. 10 is a circuit diagram of a ranging module according to an embodiment of the present utility model, and referring to fig. 9 and 10, the ranging module 40 may include an infrared emitting diode D18, a twentieth resistor R12, a twenty-first resistor R138, a twenty-second resistor R139, a second triode U6, an infrared receiving diode D17, a twenty-third resistor R74, and a fifth capacitor C12. The first end of the twenty-first resistor R138 is configured to receive the acquisition pulse PB11 (ranging control signal) sent by the main control module, and after receiving the sampling pulse PB11, the second triode U6 is turned on, and the infrared emitting diode D18 emits infrared light. One pole of the infrared receiving diode D17 is used for sending a distance signal ADC2-PC5 to the main control module, and the main control module 10 receives the distance signal after analog-digital conversion, extracts an effective signal and can determine the distance.

The main control module 10 can adjust the control signal sent to the dynamic interference wave control module 20 according to the distance signal to adjust the driving signal output by the dynamic interference wave control module 20, thereby adjusting the light emitting power of the light emitting unit, keeping the light power irradiated to the human body stable, and improving the photocosmetic effect.

Optionally, referring to fig. 9, the control circuit further includes:

an atomization control module 50;

the control end of the atomization control module 50 is electrically connected with the main control module 10;

the atomization control module 50 is configured to output an oscillation control signal to the oscillation piece after receiving the atomization control signal output by the main control module 10, and control the oscillation frequency of the oscillation piece;

the main control module 10 is further configured to adjust an atomization control signal output to the atomization control module 50 after receiving the distance signal, so as to adjust the vibration frequency of the oscillation piece.

Specifically, considering the photo-thermal effect, the atomization function is added to the photo-beauty instrument, the small water bottle is added to the upper part of the photo-beauty instrument, essence or water is placed, and the vibration sheet is used for atomizing and supplementing water to the skin. According to the embodiment, the vibration frequency of the oscillating piece is adjusted according to the distance signal, so that the atomization power is adjusted, and the stability of the atomization effect is maintained. For example, the farther the human body is away from the skin, the higher the vibration frequency of the oscillating piece, the higher the atomization power, and the stronger the atomization effect.

Fig. 11 is a circuit diagram of an atomization control module according to an embodiment of the present utility model, and referring to fig. 9 and 11, the atomization control module includes a twenty-fourth resistor R40, a twenty-fifth resistor R41, a twenty-sixth resistor R44, a twenty-seventh resistor R46, a fourth triode Q, a sixth capacitor C24, and an inductance L. One end ADC of the twenty-sixth resistor R44 is connected with the main control module 10, and the main control module 10 obtains the current working current of the atomizing sheet through the twenty-sixth resistor R44, so that the duty ratio of an oscillation control signal PWM output to the atomizing control module is adjusted, and the atomizing power is ensured to be stable. In addition, VOUT is 5V voltage, WH+ and WH-connect the positive and negative poles of oscillating piece respectively.

Optionally, with continued reference to fig. 9, the control circuit further includes:

a power control module 60;

the power supply control module 60 is electrically connected with the main control module 10;

the power control module 60 is configured to output power supply signals for the dynamic interference wave control module 20, the ranging module 40 and the atomization control module 50 after receiving the power supply signals output by the main control module 10.

Specifically, the power control module 60 starts to supply power after receiving the power supply signal, so as to reduce the power consumption of the system.

The embodiment of the utility model also provides an optical beauty instrument, which comprises the dynamic interference wave optical pulse control circuit according to any embodiment of the utility model.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.

The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. A dynamic interference wave optical pulse control circuit, comprising:

a main control module and a dynamic interference wave control module;

2. The control circuit of claim 1, wherein:

the dynamic interference wave control module comprises at least two first control modules;

3. The control circuit of claim 2, wherein:

the main control module is also used for outputting different control signals to at least part of the first control modules, so that at least part of the first control modules output driving signals with different waveforms.

4. A control circuit according to claim 3, wherein:

the main control module is also used for outputting control signals to only one waveform generation sub-module in the first control module.

5. The control circuit according to any one of claims 2-4, wherein:

the waveform generation submodule comprises a reference level generation unit and a waveform generation circuit;

6. The control circuit of claim 5, wherein:

the waveform generation circuit comprises a digital-to-analog conversion unit, an amplifying unit and an output control unit;

the first input end of the digital-to-analog conversion unit and the first input end of the amplifying unit are electrically connected with the output end of the reference level generating unit;

7. The control circuit of claim 6, wherein:

the reference level generating unit comprises a third-order RC filter and a follower, wherein the input end of the third-order RC filter is electrically connected with the main control module, the output end of the third-order RC filter is electrically connected with the input end of the follower, and the output end of the follower is the output end of the reference level generating unit;

8. The control circuit of claim 1, further comprising:

9. The control circuit of claim 8, further comprising:

an atomization control module and a power supply control module;

10. An optical beauty instrument, characterized by comprising the dynamic interference wave optical pulse control circuit according to any one of claims 1 to 9.