Handheld microwave beauty instrument with safety protection mechanism

Abstract

The invention relates to the technical field of microwave beauty, and provides a handheld microwave beauty instrument with a safety protection mechanism, which comprises a microwave beauty instrument body, a skin area state sensing terminal, a physiological signal monitoring terminal, a microwave fine tuning terminal, a stop protection terminal and a voice reminding terminal, the microwave beauty instrument body is used for generating and outputting microwaves; the skin area state sensing terminal is used for detecting dryness, humidity, temperature and grease parameters of a skin area of a user; the physiological signal monitoring terminal is used for monitoring expression data and heart rate data of a user in the microwave beauty treatment process; the microwave fine tuning terminal is used for adjusting the microwave frequency; the stop protection terminal is used for performing stop protection analysis and executing stop protection measures according to the dryness, humidity, temperature and grease parameters of the skin area and expression data and heart rate data of the user; and the voice reminding terminal is used for outputting voice reminding according to a stop protection analysis result. The method has the effect of improving the safety and accuracy of the microwave beautifying process.

Description

Technical Field

[0001] The present invention relates to the technical field of microwave beauty, and in particular to a handheld microwave beauty instrument with a safety protection mechanism. Background Art

[0002] With the development of modern science and technology, microwave technology is increasingly used in the field of beauty. As a convenient home beauty tool, handheld microwave beauty devices have received widespread attention and are mainly used for beauty effects such as skin tightening, anti-aging, and deep cleansing. The purpose of the present invention is to provide a handheld microwave beauty device with a safety protection mechanism, which can be intelligently adjusted according to the user's different skin types, environmental factors, and real-time feedback, thereby providing a safer and more efficient beauty experience.

[0003] Now many microwave beauty devices have been developed. After a lot of searching and reference, we found that the handheld microwave beauty devices in the prior art are such as the microwave beauty devices disclosed in the publication numbers CN113244528A, CN118454118A, CN114128972A, EP0695559A3, US20240099442A1, and JP2018069073A. These microwave beauty devices generally include: a microwave generating terminal, a control terminal, and an output handle terminal; the microwave generating terminal is used to generate microwaves; the control terminal is used to control the coordinated work of the microwave generating terminal and the output handle terminal; the output handle terminal is used to perform microwave beauty operations based on the generated microwaves. Since the working process of the above-mentioned microwave beauty devices is relatively simple and lacks safety protection mechanisms and adaptive mechanisms, it is not conducive to accurate microwave beauty treatment for different skin types of different users, resulting in the defects of reduced safety and accuracy of the microwave beauty process. Summary of the invention

[0004] The purpose of the present invention is to provide a handheld microwave beauty instrument with a safety protection mechanism in view of the shortcomings of the above-mentioned microwave beauty instrument.

[0005] The present invention adopts the following technical solution:

[0006] A handheld microwave beauty instrument with a safety protection mechanism comprises a microwave beauty instrument body, a skin area state sensing terminal, a physiological signal monitoring terminal, a microwave fine-tuning terminal, a stop protection terminal and a voice reminder terminal; the microwave beauty instrument body is used to generate and output microwaves to realize a microwave beauty function; the skin area state sensing terminal is used to detect the dryness and humidity, temperature and oil parameters of the user's skin area; the physiological signal monitoring terminal is used to monitor the user's facial expression data and heart rate data during the microwave beauty process; the microwave fine-tuning terminal is used to perform fine-tuning analysis and adjust the microwave frequency according to the dryness and humidity, temperature and oil parameters of the skin area; the stop protection terminal is used to perform stop protection analysis and execute stop protection measures according to the dryness and humidity, temperature, oil parameters of the skin area, the user's facial expression data and heart rate data; the voice reminder terminal is used to output a voice reminder according to the result of the stop protection analysis;

[0007] The skin area state sensing terminal includes a dryness and humidity detection module, a temperature detection module and an oil detection module; the dryness and humidity detection module is used to detect the dryness and humidity data of the user's skin area; the temperature detection module is used to detect the real-time temperature of the skin area; the oil detection module is used to detect the oil parameters of the skin area.

[0008] Optionally, the physiological signal monitoring terminal includes an expression monitoring module, a heart rate monitoring module and a physiological state analysis module; the expression monitoring module is used to capture the user's facial expression data during the microwave beauty process in real time; the heart rate monitoring module is used to detect the user's heart rate data during the microwave beauty process; the physiological state analysis module is used to comprehensively analyze the facial expression data and heart rate data to generate physiological state analysis information.

[0009] Optionally, the microwave fine-tuning terminal includes a frequency adjustment module and an intensity adjustment module; the frequency adjustment module is used to adjust the output frequency of the microwave according to the dryness, humidity, temperature and oil parameters of the skin; the intensity adjustment module is used to dynamically adjust the output intensity of the microwave according to the skin condition and regional requirements.

[0010] Optionally, the stop protection terminal includes a status monitoring module, an abnormality judgment module and a protection execution module; the status monitoring module is used to read in real time the dryness and humidity, temperature, oil parameters and physiological status analysis information from the skin area status sensing terminal and the physiological signal monitoring terminal; the abnormality judgment module is used to comprehensively analyze the dryness and humidity, temperature, oil parameters and physiological status analysis information of the corresponding skin area of ​​the user during the microwave beauty process, and generate abnormality judgment information; the protection execution module is used to execute protection measures according to the abnormality judgment information.

[0011] Optionally, the voice reminder terminal includes a data receiving module, a reminder generating module and a voice output module; the data receiving module is used to receive abnormal judgment information from the abnormal judgment module; the reminder generating module is used to generate voice reminder content according to the abnormal judgment information; the voice output module is used to output voice reminder content to users and operators.

[0012] Optionally, the frequency adjustment module includes a skin area state reading submodule and a frequency adjustment value calculation submodule; the skin area state reading submodule is used to read the dryness and wetness, temperature and oil parameters of the skin area of ​​the user from the skin area state sensing terminal; the frequency adjustment value calculation submodule is used to adjust the output frequency of the microwave according to the dryness and wetness, temperature and oil parameters of the skin.

[0013] Optionally, the physiological state analysis module includes a physiological state determination index calculation submodule and a physiological state analysis information generation submodule; the physiological state determination index calculation submodule is used to calculate the user's physiological state determination index based on facial expression data and heart rate data; the physiological state analysis information generation submodule is used to generate physiological state analysis information based on the physiological state determination index.

[0014] A handheld microwave beauty method with a safety protection mechanism is applied to the above-mentioned handheld microwave beauty instrument with a safety protection mechanism, and the handheld microwave beauty method comprises:

[0015] S1, detects the dryness, humidity, temperature and oil parameters of the user's skin area;

[0016] S2, monitors the user's facial expression data and heart rate data during the microwave beauty treatment process;

[0017] S3, fine-tuning and analyzing the humidity, temperature and oil parameters of the skin area and adjusting the microwave frequency;

[0018] S4, performing stop protection analysis and executing stop protection measures according to the dryness, humidity, temperature, oil parameters of the skin area, the user's expression data and heart rate data;

[0019] S5, outputting a voice reminder according to the result of the stop protection analysis.

[0020] The beneficial effects achieved by the present invention are:

[0021] 1. By setting up skin area state sensing terminals, physiological signal monitoring terminals, microwave fine-tuning terminals, stop protection terminals and voice reminder terminals, it is possible to achieve comprehensive monitoring of the user's skin state and physiological signals, and adjust the microwave output according to the monitoring results. At the same time, protective measures are executed and voice reminders are issued in abnormal conditions, which is conducive to ensuring the safety and comfort of users during use, thereby avoiding adverse reactions caused by improper microwave output, and thus helping to improve the intelligence and safety of handheld microwave beauty devices;

[0022] 2. Through the setting of expression monitoring module, heart rate monitoring module and physiological state analysis module, the facial expression and heart rate data of the user during the microwave beauty treatment can be captured in real time, and the physiological state analysis information can be comprehensively generated, which is conducive to accurately monitoring the changes in the physiological state of the user during the beauty treatment process, and then providing a basis for judging the safety state of the user, thereby helping to avoid potential risks caused by physiological abnormalities of the user;

[0023] 3. Through the setting of the frequency adjustment module and the intensity adjustment module, the microwave output frequency can be finely adjusted according to the dryness, humidity, temperature and oil parameters of the skin, and the microwave output intensity can be dynamically adjusted according to the skin condition and regional requirements, which is conducive to realizing the personalized adaptation of the beauty instrument to the skin conditions of different users and different beauty areas, thereby improving the accuracy and efficiency of the beauty effect, so as to help users obtain a more comfortable and effective beauty experience;

[0024] 4. Through the setting of the state monitoring module, the abnormality judgment module and the protection execution module, it is possible to read various data from the skin area state sensing terminal and the physiological signal monitoring terminal in real time, and generate abnormality judgment information through comprehensive analysis, and then quickly execute protection measures according to the abnormality judgment information, which is conducive to ensuring that abnormal situations are identified and responded to in a timely manner during the microwave beauty process, thereby avoiding users from being harmed due to abnormal conditions, and thus helping to ensure safety and reliability during use;

[0025] 5. Through the setting of the data receiving module, the reminder generating module and the voice output module, it is possible to receive abnormal judgment information in real time and generate corresponding voice reminder content, which is conducive to timely reminding users and operators to take necessary countermeasures when abnormal conditions occur, thereby avoiding operational risks caused by untimely information transmission, which is conducive to improving the user-friendliness and safety of the beauty instrument;

[0026] 6. Through the setting of the skin area status reading submodule and the frequency adjustment value calculation submodule, the dryness, humidity, temperature and oil parameters of the user's skin area can be accurately read, and the microwave output frequency can be dynamically adjusted according to these parameters, which is conducive to making the microwave output more in line with the actual needs of the user's skin, thereby optimizing the beauty effect, thereby helping to improve the user's experience and satisfaction;

[0027] 7. Through the setting of the physiological state determination index calculation submodule and the physiological state analysis information generation submodule, the facial expression data and heart rate data can be combined to calculate the user's physiological state determination index and generate physiological state analysis information, which is conducive to realizing high-precision dynamic analysis of the user's physiological state during the microwave beauty process, and then providing a more accurate basis for subsequent protective measures, which is conducive to improving the intelligence level and safety performance of the equipment.

[0028] 8. By dynamically adjusting the microwave output frequency according to the dryness, humidity, temperature and oil parameters of the skin area, it can accurately adapt to the state of the current skin area, which is conducive to improving the absorption efficiency of microwave energy in the target skin area, thereby improving the beauty effect. At the same time, when moving to the next skin area, the device can automatically adjust the output starting frequency according to the state of the previous area, which is conducive to shortening the device adjustment time, thereby improving the overall efficiency of the beauty operation, thereby optimizing the beauty effect and improving the user experience;

[0029] 9. Intelligent stop judgment can be made by comprehensively considering the degree of change in the user's expression, the amplitude of heart rate fluctuation and the skin area status index, which can quickly identify whether the user is in an abnormal physiological or skin state, and is conducive to timely termination of beauty operations in sensitive skin areas to avoid excessive skin stimulation or discomfort caused by microwave output. At the same time, the dynamic analysis of the degree of expression change can reflect the user's subjective feelings in real time, and combined with the judgment of heart rate data and skin condition index, it is conducive to achieving more comprehensive and accurate safety protection, thereby effectively ensuring the safety and comfort of users.

[0030] To further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and description and are not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 It is a structural schematic diagram of the frequency adjustment module in the present invention;

[0033] Figure 3 is a schematic diagram of the structure of the physiological state analysis module in the present invention;

[0034] Figure 4 It is a schematic diagram of the method flow of the handheld microwave beauty method with a safety protection mechanism in the present invention;

[0035] Figure 5 Schematic diagram of the structure of the physiological state determination index calculation submodule in another embodiment of the present invention. DETAILED DESCRIPTION

[0036] The following is an explanation of the embodiments of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and the details in this specification can also be modified and changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depicted according to actual dimensions. It is stated in advance. The following embodiments will further explain the relevant technical contents of the present invention in detail, but the disclosed contents are not intended to limit the scope of protection of the present invention.

[0037] Embodiment 1: This embodiment provides a handheld microwave beauty instrument with a safety protection mechanism. Figure 1 As shown, a handheld microwave beauty instrument with a safety protection mechanism includes a microwave beauty instrument body, a skin area state sensing terminal, a physiological signal monitoring terminal, a microwave fine-tuning terminal, a stop protection terminal and a voice reminder terminal; the microwave beauty instrument body is used to generate and output microwaves to achieve microwave beauty functions; the skin area state sensing terminal is used to detect the dryness and humidity, temperature and oil parameters of the user's skin area; the physiological signal monitoring terminal is used to monitor the user's expression data and heart rate data during the microwave beauty process; the microwave fine-tuning terminal is used to perform fine-tuning analysis and adjust the microwave frequency according to the dryness and humidity, temperature and oil parameters of the skin area; the stop protection terminal is used to perform stop protection analysis and execute stop protection measures according to the dryness and humidity, temperature, oil parameters of the skin area, the user's expression data and heart rate data; the voice reminder terminal is used to output a voice reminder according to the result of the stop protection analysis;

[0038] The skin area state sensing terminal includes a dryness and humidity detection module, a temperature detection module and an oil detection module; the dryness and humidity detection module is used to detect the dryness and humidity data of the user's skin area; the temperature detection module is used to detect the real-time temperature of the skin area; the oil detection module is used to detect the oil parameters of the skin area.

[0039] Optionally, the physiological signal monitoring terminal includes an expression monitoring module, a heart rate monitoring module and a physiological state analysis module; the expression monitoring module is used to capture the user's facial expression data during the microwave beauty process in real time; the heart rate monitoring module is used to detect the user's heart rate data during the microwave beauty process; the physiological state analysis module is used to comprehensively analyze the facial expression data and heart rate data to generate physiological state analysis information.

[0040] Optionally, the microwave fine-tuning terminal includes a frequency adjustment module and an intensity adjustment module; the frequency adjustment module is used to adjust the output frequency of the microwave according to the dryness, humidity, temperature and oil parameters of the skin; the intensity adjustment module is used to dynamically adjust the output intensity of the microwave according to the skin condition and regional requirements.

[0041] Optionally, the stop protection terminal includes a status monitoring module, an abnormality judgment module and a protection execution module; the status monitoring module is used to read in real time the dryness and humidity, temperature, oil parameters and physiological state analysis information from the skin area status sensing terminal and the physiological signal monitoring terminal; the abnormality judgment module is used to comprehensively analyze the dryness and humidity, temperature, oil parameters and physiological state analysis information of the corresponding skin area of ​​the user during the microwave beauty process, and generate abnormality judgment information; the protection execution module is used to drive the microwave beauty instrument body to execute protection measures according to the abnormality judgment information.

[0042] Optionally, the voice reminder terminal includes a data receiving module, a reminder generating module and a voice output module; the data receiving module is used to receive abnormal judgment information from the abnormal judgment module; the reminder generating module is used to generate voice reminder content according to the abnormal judgment information; the voice output module is used to output voice reminder content to users and operators.

[0043] Optional, combined Figure 2 As shown, the frequency adjustment module includes a skin area state reading submodule and a frequency adjustment value calculation submodule; the skin area state reading submodule is used to read the dryness and humidity, temperature and oil parameters of the skin area of ​​the user from the skin area state sensing terminal; the frequency adjustment value calculation submodule is used to adjust the output frequency of the microwave according to the dryness and humidity, temperature and oil parameters of the skin.

[0044] Specifically, when the operator performs microwave beauty treatment on the user, the system periodically calculates the frequency adjustment value. The calculation period may be, but is not limited to, 5 seconds, 10 seconds, 30 seconds, 60 seconds, 600 seconds, etc. When the frequency adjustment value calculation submodule is working, the following formula is satisfied:

[0045]

[0046] Among them, f sIndicates the frequency adjustment value; f0 indicates the initial microwave frequency, that is, the microwave frequency of the microwave beauty instrument body at the beginning of operation, which is generally 1000Hz; α indicates the weight coefficient of the temperature item, β indicates the weight coefficient of the humidity item, and γ indicates the weight coefficient of the oil item; the smaller the skin area corresponding to the user's current microwave beauty project, the larger the weight coefficient of the temperature item, and the specific value is set by the operator based on experience; the lower the relative humidity in the user's place, the larger the weight coefficient of the humidity item, and the specific value is set by the operator based on experience; the smaller the skin area corresponding to the user's current microwave beauty project, the larger the weight coefficient of the oil item, and the specific value is set by the operator based on experience; T indicates the highest skin temperature of the user's skin area in the microwave beauty task, and when obtaining it, at least 3 position points of the user's skin area are measured and the maximum value is taken; T ref represents the skin reference temperature; k1 represents the temperature difference proportional coefficient, which is generally 0.1; H represents the minimum skin humidity of the user's skin area in the microwave beauty task. When obtaining the humidity, at least 3 points of the user's skin area are measured and the minimum value is taken; H ref Indicates skin reference humidity; H max and H min represents the maximum and minimum permissible values ​​of skin humidity, which are generally 100% and 20% respectively; k2 represents the humidity difference proportional coefficient, which is generally 0.05; O represents the maximum skin oil parameter of the user's skin area in the microwave beauty task, and when obtaining it, at least 3 positions of the user's skin area are measured and the maximum value is taken; O min Indicates the minimum permissible oil parameter of the skin; ref Represents the skin reference oil parameter; k3 represents the oil difference proportional coefficient, which is generally 0.4.

[0047] To better understand how to use the frequency adjustment value calculation formula, the following is an example of how to calculate the frequency adjustment value:

[0048] Known conditions: f0 = 1000 Hz, α = 0.2, β = 0.1, γ = 0.3, k1 = 0.1, k2 = 0.05, k3 = 0.4, T = 30 ° C, T ref =25℃、H=60%、H ref =50%, H max =100%, H min =20%, O = 0.5 g / cm 3 , O ref =0.4g / cm 3 , O min =0.1g / cm 3 The calculation process is:

[0049] Calculate the temperature state term:

[0050] k1·(TTref )=0.1·(30-25)=0.1·5=0.5;

[0051] Calculate humidity status items:

[0052]

[0053] Calculate the grease status item:

[0054]

[0055] Substituting into the overall formula:

[0056] f s =1000·(1+0.2·0.5+0.1·0.00665+0.3·0.1468)≈1144.7Hz.

[0057] The program code for calculating the above frequency adjustment value is as follows:

[0058] import math

[0059] # Initial parameter settings

[0060] f_0=1000#initial microwave frequency (Hz)

[0061] alpha=0.2#Temperature weight coefficient

[0062] beta=0.1#Humidity weight coefficient

[0063] gamma=0.3#Oil weight coefficient

[0064] k_1=0.1#Temperature proportionality coefficient

[0065] k_2=0.05#Humidity proportionality coefficient

[0066] k_3=0.4# Grease ratio coefficient

[0067] #Skin status parameters

[0068] T=30#Actual skin temperature (℃)

[0069] T_ref=25#Reference temperature (℃)

[0070] H=60#Actual skin humidity (%)

[0071] H_ref=50#Reference humidity (%)

[0072] H_max=100# Maximum humidity value (%)

[0073] H_min=20#Minimum humidity value (%)

[0074] O=0.5#Actual grease amount (g / cm^2)

[0075] O_ref=0.4#Reference grease amount (g / cm^2)

[0076] O_min=0.1#Minimum grease amount (g / cm^2)

[0077] #Calculate the temperature state function S_T

[0078] S_T=k_1*(T-T_ref)

[0079] #Calculate humidity state function S_H

[0080] S_H=k_2*(math.exp((H-H_ref) / (H_max-H_min))-1)

[0081] #Calculate the grease state function S_O

[0082] S_O=k_3*math.log((O-O_min) / (O_ref-O_min)+1)

[0083] #Calculate the adjusted microwave frequency f_s

[0084] f_s=f_0*(1+alpha*S_T+beta*S_H+gamma*S_O)

[0085] # Output results

[0086] print(f"The adjusted microwave frequency f_s is: {f_s:.2f}Hz").

[0087] Optional, combined Figure 3 As shown, the physiological state analysis module includes a physiological state determination index calculation submodule and a physiological state analysis information generation submodule; the physiological state determination index calculation submodule is used to calculate the user's physiological state determination index based on facial expression data and heart rate data; the physiological state analysis information generation submodule is used to generate physiological state analysis information based on the physiological state determination index.

[0088] A handheld microwave beauty method with a safety protection mechanism is applied to the above-mentioned handheld microwave beauty instrument with a safety protection mechanism, combined with Figure 4 As shown, the handheld microwave beauty method comprises:

[0089] S1, detects the dryness, humidity, temperature and oil parameters of the user's skin area;

[0090] S2, monitors the user's facial expression data and heart rate data during the microwave beauty treatment process;

[0091] S3, fine-tuning and analyzing the humidity, temperature and oil parameters of the skin area and adjusting the microwave frequency;

[0092] S4, performing stop protection analysis and executing stop protection measures according to the dryness, humidity, temperature, oil parameters of the skin area, the user's expression data and heart rate data;

[0093] S5, outputting a voice reminder according to the result of the stop protection analysis.

[0094] In summary, by setting up skin area state sensing terminals, physiological signal monitoring terminals, microwave fine-tuning terminals, stop protection terminals and voice reminder terminals, it is possible to achieve comprehensive monitoring of the user's skin state and physiological signals, and adjust the microwave output according to the monitoring results. At the same time, protective measures are executed and voice reminders are issued under abnormal conditions, which is conducive to ensuring the safety and comfort of users during use, thereby avoiding adverse reactions caused by improper microwave output; through the setting of expression monitoring modules, heart rate monitoring modules and physiological state analysis modules, it is possible to capture the user's facial expressions and heart rate data during the microwave beauty process in real time, and comprehensively generate physiological state analysis information, which is conducive to accurately monitoring the user's The physiological state changes during the beauty process, thereby providing a basis for judging the user's safety state; through the setting of the frequency adjustment module and the intensity adjustment module, the output frequency of the microwave can be finely adjusted according to the dryness, humidity, temperature and oil parameters of the skin, and the output intensity of the microwave can be dynamically adjusted according to the skin state and regional needs, which is conducive to realizing the personalized adaptation of the beauty instrument to the skin conditions of different users and different beauty areas, thereby improving the accuracy and efficiency of the beauty effect; through the setting of the state monitoring module, the abnormal judgment module and the protection execution module, it can read a variety of data from the skin area state sensing terminal and the physiological signal monitoring terminal in real time, and comprehensively analyze and generate abnormal judgment information, and then according to The rapid execution of protective measures based on abnormal judgment information is conducive to ensuring timely identification and response to abnormal situations during microwave beauty treatment, thereby preventing users from being harmed due to abnormal conditions; through the settings of the data receiving module, the reminder generating module and the voice output module, it is possible to receive abnormal judgment information in real time and generate corresponding voice reminder content, which is conducive to timely reminding users and operators to take necessary countermeasures when abnormal conditions occur, thereby avoiding operational risks caused by untimely information transmission; through the settings of the skin area status reading submodule and the frequency adjustment value calculation submodule, it is possible to accurately read the dryness, humidity, temperature and oil parameters of the user's skin area, and dynamically adjust the output frequency of the microwave according to these parameters. It is conducive to making the microwave output more in line with the actual skin needs of the user, thereby optimizing the beauty effect; through the setting of the physiological state determination index calculation submodule and the physiological state analysis information generation submodule, the facial expression data and heart rate data can be combined to calculate the user's physiological state determination index, and generate physiological state analysis information, which is conducive to realizing high-precision dynamic analysis of the user's physiological state during the microwave beauty process, thereby providing a more accurate basis for subsequent protective measures; by dynamically adjusting the output frequency of the microwave according to the dryness, humidity, temperature and oil parameters of the skin area, it can accurately adapt to the state of the current skin area, which is conducive to improving the absorption efficiency of microwave energy in the target skin area, thereby improving the beauty effect.At the same time, when moving to the next skin area, the device can automatically adjust the output starting frequency according to the status of the previous area, which is conducive to shortening the device adjustment time and thus improving the overall efficiency of the beauty operation, thereby optimizing the beauty effect and enhancing the user experience.

[0095] Embodiment 2: This embodiment includes all the contents of Embodiment 1, and provides a handheld microwave beauty instrument with a safety protection mechanism. Figure 5 As shown, the physiological state determination index calculation submodule includes a heart rate difference item calculation unit, a user expression change item calculation unit, a skin state index item calculation unit and a physiological state determination index calculation unit; the heart rate difference item calculation unit is used to calculate the heart rate difference item according to the user's current heart rate and the reference heart rate; the user expression change item calculation unit is used to calculate the user expression change item according to the physiological state analysis information; the skin state index item calculation unit is used to calculate the skin state index item according to the skin data; the physiological state determination index calculation unit is used to calculate the physiological state determination index according to the heart rate difference item, the user expression change item and the skin state index item.

[0096] When the heart rate difference item calculation unit is working, the three user heart rate detection values ​​within the specified time range are first averaged, and then the calculation result is averaged with the maximum heart rate detection value of the user in the previous system calculation cycle, and the result is used as the current user heart rate observation value. The specified time range refers to the range of 5 seconds before and after the calculation moment of the heart rate difference item calculation unit. The system calculation cycle refers to the time interval for the system to perform each stop protection analysis, which can be but not limited to: 1 minute, 2 minutes, 5 minutes, etc.

[0097] When the heart rate difference item calculation unit calculates, the following formula is satisfied:

[0098] ΔH=H R -H Rref ;

[0099] Where ΔH represents the heart rate difference term; H R Represents the above-mentioned current user heart rate observation value; H Rref Indicates the reference heart rate value.

[0100] When the user expression change item calculation unit calculates, the following formula is satisfied:

[0101]

[0102] Among them, E all Indicates the user's expression change item; E 1,currrent Indicates the current value of the user's facial muscle activity intensity, that is, the dynamic displacement value of the user's current facial muscles; E 1,refIt indicates the intensity value of the user's facial muscle activity when the user has no special expression or a normal expression, that is, the initial displacement value of the user's facial muscles obtained when the beauty instrument is initially used;

[0103] E 1,max Indicates the maximum dynamic displacement value of the user's facial muscles; E 1,min Indicates the minimum dynamic displacement value of the user's facial muscles; E 2,currrent Indicates the current value of the user's mouth corner curvature; E 2,ref Indicates the curvature value of the user's mouth corner when the user has no special expression or a normal expression, that is, the curvature value of the user's mouth corner obtained when the beauty instrument is initially used; E 3,currrent Indicates the current value of the user's eyebrow distance; E 3,ref Indicates the value of the distance between the eyebrows of the user when the user has no special expression or a normal expression, that is, the value of the distance between the eyebrows of the user obtained when the beauty instrument is initially used; E 3,max Indicates the maximum value of the distance between eyebrows of the corresponding user in the historical data; E 3,min Indicates the minimum value of the distance between the eyebrows of the corresponding user in the historical data.

[0104] When the skin condition index item calculation unit calculates, the following formula is satisfied:

[0105]

[0106] Among them, S skin represents the skin condition index item; T represents the highest skin temperature of the user's skin area in the microwave beauty task. When obtaining the temperature, at least 3 points of the user's skin area are measured and the maximum value is taken; T ref Indicates skin reference temperature; T max and T min They represent the maximum and minimum skin temperature respectively; H represents the minimum skin humidity of the user's skin area in the microwave beauty task. When obtaining the humidity, at least three points of the user's skin area are measured and the minimum value is taken; H ref represents the reference skin humidity; O represents the maximum skin oil parameter of the user's skin area in the microwave beauty task. When obtaining the parameter, at least 3 positions of the user's skin area are measured and the maximum value is taken; O min Indicates the minimum permissible oil parameter of the skin; max Indicates the maximum permissible oil parameter of the skin; ref Represents skin reference lipid parameters.

[0107] When the physiological state determination index calculation unit is working, the following formula is satisfied:

[0108]

[0109] Wherein, Stop represents the physiological state determination index; when Stop=1, the physiological state analysis information generation submodule generates physiological state analysis information for indicating that microwave beauty treatment needs to be stopped; when Stop=0, the physiological state analysis information generation submodule generates physiological state analysis information for indicating that microwave beauty treatment should be continued. HR represents the heart rate difference judgment threshold; δ E represents the threshold for judging expression change; δ S Indicates the skin condition judgment threshold; each threshold is set by the operator based on experience.

[0110] The following is a program code example of the physiological status determination index implementation process:

[0111] #Define parameters

[0112] HR = 95 # Current heart rate (bpm)

[0113] HR_ref = 75 # Reference heart rate (bpm)

[0114] delta_HR = 15 # Heart rate change threshold (bpm)

[0115] E_expression = 0.7#Degree of expression change

[0116] delta_E=0.5#expression change threshold

[0117] S_skin=3.6#Skin condition index

[0118] delta_S=3.5#Skin condition index threshold

[0119] #Judgment conditions

[0120] if abs(HR-HR_ref)>delta_HR or E_expression>delta_E or S_skin>delta_S:

[0121] Stop=1#Stop the device

[0122] else:

[0123] Stop=0#Continue running

[0124] # Output results

[0125] print(f"Does the device need to stop (Stop): {Stop}").

[0126] In summary, by comprehensively considering the degree of change in the user's expression, the amplitude of heart rate fluctuation, and the skin area status index for intelligent stop judgment, it is possible to quickly identify whether the user is in an abnormal physiological or skin state, which is conducive to timely termination of beauty operations in sensitive skin areas to avoid excessive skin stimulation or discomfort caused by microwave output. At the same time, the dynamic analysis of the degree of expression change can reflect the user's subjective feelings in real time. Combined with the judgment of heart rate data and skin status index, it is conducive to achieving more comprehensive and accurate safety protection, thereby effectively ensuring the safety and comfort of users.

[0127] The contents disclosed above are only preferred feasible embodiments of the present invention, and do not limit the protection scope of the present invention. Therefore, all equivalent technical changes made using the contents of the present invention description and drawings are included in the protection scope of the present invention. In addition, the elements therein can be updated as technology develops.

Claims

1. A handheld microwave beauty instrument with a safety protection mechanism, characterized in that: It includes a microwave beauty instrument body, a skin area state sensing terminal, a physiological signal monitoring terminal, a microwave fine-tuning terminal, a stop protection terminal and a voice reminder terminal; the microwave beauty instrument body is used to generate and output microwaves to achieve microwave beauty functions; the skin area state sensing terminal is used to detect the dryness, humidity, temperature and oil parameters of the user's skin area; the physiological signal monitoring terminal is used to monitor the user's facial expression data and heart rate data during the microwave beauty process; The microwave fine-tuning terminal is used to perform fine-tuning analysis and adjust the microwave frequency according to the dryness, humidity, temperature and oil parameters of the skin area; The stop protection terminal is used to perform stop protection analysis and execute stop protection measures according to the dryness and humidity, temperature, oil parameters of the skin area, the user's expression data and heart rate data; the voice reminder terminal is used to output a voice reminder according to the result of the stop protection analysis; The skin area state sensing terminal includes a dryness and humidity detection module, a temperature detection module and an oil detection module; the dryness and humidity detection module is used to detect the dryness and humidity data of the user's skin area; the temperature detection module is used to detect the real-time temperature of the skin area; the oil detection module is used to detect the oil parameters of the skin area.

2. The handheld microwave beauty instrument with a safety protection mechanism as claimed in claim 1, characterized in that: The physiological signal monitoring terminal includes an expression monitoring module, a heart rate monitoring module and a physiological state analysis module; the expression monitoring module is used to capture the user's facial expression data in real time during the microwave beauty treatment process; The heart rate monitoring module is used to detect the user's heart rate data during the microwave beauty treatment process; The physiological state analysis module is used to comprehensively analyze facial expression data and heart rate data to generate physiological state analysis information.

3. The handheld microwave beauty instrument with a safety protection mechanism as claimed in claim 2, characterized in that: The microwave fine-tuning terminal includes a frequency adjustment module and an intensity adjustment module; the frequency adjustment module is used to adjust the output frequency of the microwave according to the dryness, humidity, temperature and oil parameters of the skin; the intensity adjustment module is used to dynamically adjust the output intensity of the microwave according to the skin condition and regional requirements.

4. The handheld microwave beauty instrument with a safety protection mechanism as claimed in claim 3, characterized in that: The stop protection terminal includes a status monitoring module, an abnormality judgment module and a protection execution module; the status monitoring module is used to read in real time the dryness and humidity, temperature, oil parameters and physiological state analysis information from the skin area status sensing terminal and the physiological signal monitoring terminal; the abnormality judgment module is used to comprehensively analyze the dryness and humidity, temperature, oil parameters and physiological state analysis information of the corresponding skin area of ​​the user during the microwave beauty process, and generate abnormality judgment information; the protection execution module is used to execute protection measures according to the abnormality judgment information.

5. The handheld microwave beauty instrument with a safety protection mechanism as claimed in claim 4, characterized in that: The voice reminder terminal includes a data receiving module, a reminder generating module and a voice output module; the data receiving module is used to receive the abnormality judgment information from the abnormality judgment module; the reminder generating module is used to generate the voice reminder content according to the abnormality judgment information; The voice output module is used to output voice reminder content to users and operators.

6. The handheld microwave beauty instrument with a safety protection mechanism as claimed in claim 5, characterized in that: The frequency adjustment module includes a skin area state reading submodule and a frequency adjustment value calculation submodule; the skin area state reading submodule is used to read the dryness and humidity, temperature and oil parameters of the skin area of ​​the user from the skin area state sensing terminal; the frequency adjustment value calculation submodule is used to adjust the output frequency of the microwave according to the dryness and humidity, temperature and oil parameters of the skin.

7. The handheld microwave beauty instrument with a safety protection mechanism as claimed in claim 6, characterized in that: The physiological state analysis module includes a physiological state determination index calculation submodule and a physiological state analysis information generation submodule; The physiological state determination index calculation submodule is used to calculate the user's physiological state determination index based on facial expression data and heart rate data; The physiological state analysis information generation submodule is used to generate physiological state analysis information according to the physiological state determination index.

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