A cosmetic instrument control method and system

Abstract

The application discloses a kind of cosmetic instrument control method and system, specifically related to the field of cosmetic instrument intelligent equipment, including the following steps: before starting microneedle driving mechanism, whether the treatment head is formed effective electrical contact with skin by contact detection module is judged;After confirming that there is effective electrical contact, voltage signal and current signal in microneedle loop are collected in real time, and the biological impedance value of current skin is calculated according to the voltage signal and the current signal;The attitude angle of the cosmetic instrument relative to the surface of skin is obtained by built-in inertial sensor;The application cooperates with the main controller by contact detection module, voltage / current sampling circuit, inertial sensor and device attitude angle, and biological impedance value, and three are used as joint determination condition: only when contact is effective, impedance is in preset safety interval and attitude angle is less than threshold value, maintain electric pulse output;Any condition fails, and output is terminated and graded response is executed.

Description

Technical Field

[0001] This invention relates to the field of intelligent beauty devices, and more specifically, to a method and system for controlling a beauty device. Background Technology

[0002] Existing electro-controlled microneedle infusion beauty devices typically activate automatically upon user manual activation, driving microneedles to puncture and simultaneously applying high-voltage electrical pulses to promote ingredient penetration. However, these devices generally lack real-time sensing capabilities regarding skin contact status, skin electrical properties, and the device's physical orientation during the procedure.

[0003] When users operate the device under abnormal conditions such as insufficient skin contact, device tilt, or damaged / wet skin, the system will still output high-voltage pulses, resulting in excessively high local current density, which may cause electrical burns, epidermal tears, or ineffective product absorption. Although some products have fixed duration protection, they cannot dynamically adjust the output strategy according to the actual physiological and operational conditions. Therefore, a beauty device control method and system are proposed to solve the above problems. Summary of the Invention

[0004] To overcome the aforementioned deficiencies of the prior art, this invention utilizes the collaborative operation of a contact detection module, a voltage / current sampling circuit, an inertial sensor, and a main controller to continuously acquire skin contact impedance, bioimpedance values, and device attitude angle before and during the introduction of electrical pulses. These three factors are used as joint judgment conditions: electrical pulse output is maintained only when the contact is effective, the impedance is within a preset safe range, and the attitude angle is less than a threshold; if any condition fails, the output is terminated and a graded response is executed.

[0005] To achieve the above objectives, the present invention provides the following technical solution: before activating the microneedle driving mechanism, a contact detection module is used to determine whether the treatment head has formed effective electrical contact with the skin; After confirming the existence of effective electrical contact, the voltage and current signals in the microneedle circuit are collected in real time, and the current bioimpedance value of the skin is calculated based on the voltage and current signals. The orientation angle of the beauty device relative to the skin surface is obtained through a built-in inertial sensor; During the electrical pulse introduction process, it is continuously determined whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within the preset safe impedance range, and whether the deviation of the posture angle is less than the preset angle threshold. When the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, the electrical pulse output is maintained. When the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, the electrical pulse output is immediately terminated, and a safety response strategy is executed. The safety response strategy includes degraded operation, paused output, or forced shutdown.

[0006] In a preferred embodiment: before activating the microneedle driving mechanism, determining whether the treatment head has formed effective electrical contact with the skin through a contact detection module includes: detecting the impedance value of the microneedle circuit and comparing the impedance value with a first preset impedance threshold; if the impedance value is less than or equal to the first preset impedance threshold, it is determined that the treatment head has formed effective electrical contact with the skin; if the impedance value is greater than the first preset impedance threshold, it is determined that the treatment head has not formed effective electrical contact with the skin.

[0007] In a preferred embodiment: after confirming the existence of effective electrical contact, the step of real-time acquisition of voltage and current signals in the microneedle circuit, and calculation of the current skin bioimpedance value based on the voltage and current signals, includes: after determining that effective electrical contact has been formed, acquiring the voltage signal at both ends of the microneedle circuit through a voltage sampling circuit, acquiring the current signal flowing through the microneedle circuit through a current sampling circuit, and determining the current skin bioimpedance value based on the ratio of the voltage signal to the current signal.

[0008] In a preferred embodiment: obtaining the attitude angle of the beauty device relative to the skin surface through the built-in inertial sensor includes: sensing the component of the gravity vector in the coordinate system of the beauty device body with a three-axis accelerometer, calculating the angle between the Z-axis of the beauty device and the vertical direction based on the component, and using the angle as the attitude angle.

[0009] In a preferred embodiment: during the electrical pulse introduction process, continuously determining whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within a preset safe impedance range, and whether the deviation of the posture angle is less than a preset angle threshold includes: During the electrical pulse introduction, the following judgment operation is performed cyclically at a frequency of not less than 10 Hz: determining whether the impedance value of the microneedle circuit is less than or equal to the first preset impedance threshold, in order to confirm whether the effective electrical contact continues to exist; Determine whether the bioimpedance value is not less than the second preset impedance threshold and not greater than the third preset impedance threshold to confirm that it is within the safe impedance range; Determine whether the posture angle is less than a fourth preset angle threshold to confirm that the device is within the permissible puncture posture range.

[0010] In a preferred embodiment: maintaining electrical pulse output when the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold includes: under the conditions that the effective electrical contact continues, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, automatically starting the next electrical pulse cycle after the current electrical pulse cycle ends, and keeping the amplitude, frequency, and pulse width parameters of the electrical pulse unchanged.

[0011] In a preferred embodiment: when the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, the electrical pulse output is immediately terminated, and a safety response strategy is executed, including: In response to any abnormal condition, the power supply to the electrical pulse output module is cut off, and a corresponding safety response operation is performed based on the type and degree of deviation of the abnormal condition; the safety response operation is one of the following: Reduce the microneedle drive frequency and trigger a vibration alert; Stop the microneedle drive and electrical pulse output and activate the red warning light; Disable all output functions until the device completes the restart and self-test process.

[0012] In a preferred embodiment: a contact detection module is used to detect whether the treatment head has formed effective electrical contact with the skin before the microneedle drive mechanism is activated; The voltage sampling circuit and the current sampling circuit are used to collect the voltage signal at both ends of the microneedle circuit and the current signal flowing through the microneedle circuit in real time after confirming the existence of effective electrical contact. A bioimpedance calculation unit, connected to the voltage sampling circuit and the current sampling circuit, is used to calculate the current bioimpedance value of the skin based on the voltage signal and the current signal; An inertial sensor is used to acquire the attitude angle of the beauty device relative to the skin surface; The main controller is communicatively connected to the contact detection module, the voltage sampling circuit, the current sampling circuit, the bioimpedance calculation unit, and the inertial sensor, respectively. The main controller is configured to: continuously determine whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within a preset safe impedance range, and whether the deviation of the posture angle is less than a preset angle threshold during the electrical pulse introduction process; when the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, control the electrical pulse output module to maintain electrical pulse output; when the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, control the electrical pulse output module to immediately terminate the electrical pulse output and execute a safety response strategy; The safety response strategy includes reducing the microneedle drive frequency and triggering a vibration alert, stopping the microneedle drive and electrical pulse output and activating a red warning light, or disabling all output functions until the device completes the restart and self-test process.

[0013] The technical effects and advantages of this invention are as follows: This invention, through the coordinated work of a contact detection module, a voltage / current sampling circuit, an inertial sensor and a main controller, continuously acquires skin contact impedance, bioimpedance value and device attitude angle before and during the introduction of electrical pulses, and uses the three as joint judgment conditions: the electrical pulse output is maintained only when the contact is effective, the impedance is within a preset safe range and the attitude angle is less than a threshold; if any condition fails, the output is terminated and a graded response is executed.

[0014] Since the bioimpedance value is calculated from real-time voltage and current signals, it can reflect the current conductivity state of the skin; the posture angle is calculated by an inertial sensor, which can identify non-perpendicular grip; and the continuous monitoring of contact impedance ensures that the treatment head always adheres to the skin. These three together constitute a dynamic safety verification mechanism, which makes the electrical pulse output and the actual operating conditions form a closed loop linkage, thereby avoiding the application of energy in unloaded, oblique, or abnormal skin areas, reducing the risk of skin damage, and improving the reliability and controllability of the microneedle delivery process. Attached Figure Description

[0015] Figure 1 This is a flowchart of the steps of the present invention.

[0016] Figure 2 This is a system module architecture diagram of the present invention. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] An exemplary embodiment, a method and system for controlling a beauty device, will now be described more fully with reference to the accompanying drawings, comprising the following steps: Before activating the microneedle drive mechanism, the contact detection module determines whether the treatment head has made effective electrical contact with the skin. After confirming the existence of effective electrical contact, the voltage and current signals in the microneedle circuit are collected in real time, and the current bioimpedance value of the skin is calculated based on the voltage and current signals. The orientation angle of the beauty device relative to the skin surface is obtained through a built-in inertial sensor; During the electrical pulse introduction process, it is continuously determined whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within the preset safe impedance range, and whether the deviation of the posture angle is less than the preset angle threshold. When the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, the electrical pulse output is maintained. When the treatment head loses effective electrical contact with the skin, the bio-impedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, the electrical pulse output is immediately terminated, and a safety response strategy is executed. The safety response strategy includes degraded operation, paused output, or forced shutdown. Before activating the microneedle driving mechanism, the step of determining whether the treatment head has formed effective electrical contact with the skin through a contact detection module includes: detecting the impedance value of the microneedle circuit and comparing the impedance value with a first preset impedance threshold; if the impedance value is less than or equal to the first preset impedance threshold, it is determined that the treatment head has formed effective electrical contact with the skin; if the impedance value is greater than the first preset impedance threshold, it is determined that the treatment head has not formed effective electrical contact with the skin. In one embodiment of the present invention, the contact detection module determines whether the treatment head has formed effective electrical contact with the skin by measuring the DC impedance of the microneedle circuit; the system applies an amplitude of [missing value] to the microneedle circuit. The test voltage is applied, and the resulting loop current is measured. Then, the contact resistance is calculated. in, This represents the impedance value of the microneedle circuit. The test voltage is typically 0.5V. The test current is acquired by a high-precision current sampling circuit; the system will... With the first preset impedance threshold Comparison: If If so, it is determined to be a valid electrical contact; Otherwise, it is considered as no contact; among them, The first preset impedance threshold is a value ranging from 50kΩ to 150kΩ, preferably 100kΩ. This threshold was determined through statistical analysis of numerous dry contact experiments on areas such as the human forearm and face, ensuring reliable triggering under normal grip conditions while avoiding misjudgments caused by sweat or moisture.

[0019] The process of acquiring voltage and current signals in the microneedle circuit in real time after confirming the existence of effective electrical contact, and calculating the current skin bioimpedance value based on the voltage and current signals, includes: after determining that effective electrical contact has been formed, acquiring the voltage signal at both ends of the microneedle circuit through a voltage sampling circuit, and simultaneously acquiring the current signal flowing through the microneedle circuit through a current sampling circuit, and determining the current skin bioimpedance value based on the ratio of the voltage signal to the current signal; after confirming effective electrical contact, the system enters the working mode and acquires the voltage and current signals in the high-voltage pulse circuit used for electroporation in real time; To improve accuracy, the system synchronously samples the voltage during the stable plateau period of each electrical pulse. and current And calculate the current skin bioresistance value according to the following formula. : in, This represents the current bioresistance value of the skin. This is the voltage signal across the microneedle circuit, measured in volts (V). This represents the current signal flowing through the microneedle circuit, measured in amperes (A). In a typical operating scenario, V, mA, then k This ratio directly reflects the skin's electrical conductivity and is the core basis for determining whether it is suitable to continue applying electrical pulses.

[0020] The step of acquiring voltage and current signals in the microneedle circuit in real time after confirming the existence of effective electrical contact, and calculating the current bioimpedance value of the skin based on the voltage and current signals, includes: after determining that effective electrical contact has been formed, acquiring the voltage signal at both ends of the microneedle circuit through a voltage sampling circuit, acquiring the current signal flowing through the microneedle circuit through a current sampling circuit, and determining the current bioimpedance value of the skin based on the ratio of the voltage signal to the current signal. The step of obtaining the attitude angle of the beauty device relative to the skin surface through the built-in inertial sensor includes: a three-axis accelerometer sensing the component of the gravity vector in the coordinate system of the beauty device body, and calculating the angle between the Z-axis of the beauty device and the vertical direction based on the component, and using the angle as the attitude angle; To ensure vertical puncture of the microneedle, the system uses a built-in triaxial accelerometer to sense the component of the gravity vector in the device's coordinate system. , , The angle between the Z-axis of the beauty device and the vertical direction is calculated using the following formula. in, The attitude angle is expressed in radians (which can be converted to degrees). , , These represent the components of gravitational acceleration along the X, Y, and Z axes of the equipment, respectively, in m / s². When the equipment is perfectly vertical... , , m / ,at this time When the equipment is tilted, the horizontal component increases. This angle increases accordingly; as a key parameter for judging whether a user's grip posture is compliant, it is used in subsequent safety decisions.

[0021] During the electrical pulse introduction process, continuously determining whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within a preset safe impedance range, and whether the deviation of the posture angle is less than a preset angle threshold includes: During the electrical pulse introduction, the following judgment operation is performed cyclically at a frequency of not less than 10 Hz: determining whether the impedance value of the microneedle circuit is less than or equal to the first preset impedance threshold, in order to confirm whether the effective electrical contact continues to exist; Determine whether the bioimpedance value is not less than the second preset impedance threshold and not greater than the third preset impedance threshold to confirm that it is within the safe impedance range; Determine whether the posture angle is less than a fourth preset angle threshold to confirm that the device is within the permissible puncture posture range; During the electrical pulse introduction process, the system uses a fixed sampling period. The three security checks are executed in a loop; sampling frequency. satisfy: in, The sampling frequency; The sampling period is 0.1 seconds, with a maximum value of 0.1 seconds.

[0022] Within each sampling period, the system executes the following judgment logic sequentially: 1. Judgment Is it valid? 2. Judgment Is it valid? 3.Judgment Whether it is valid or not.

[0023] in, The second preset impedance threshold, typically 5kΩ. The third preset impedance threshold, typically 50kΩ. The fourth preset angle threshold is 15°, with a typical value. This high-frequency loop mechanism ensures that the system can capture any abnormal state within 100 milliseconds, providing time assurance for a safe response.

[0024] The method of maintaining electrical pulse output when the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold includes: under the conditions that the effective electrical contact continues, the bioimpedance value is within the safe impedance range, and the posture angle deviation is less than the preset angle threshold, automatically starting the next electrical pulse cycle after the current electrical pulse cycle ends, and keeping the amplitude, frequency, and pulse width parameters of the electrical pulse unchanged; when all safety conditions are met, the system maintains electrical pulse output. Specifically, the main controller generates control signals based on preset pulse timing parameters. Let the end time of the current electrical pulse cycle be... Then the start time of the next pulse for: in, The frequency of the electrical pulse, typically 5Hz; For the first The end time of each pulse; At any given moment, the system automatically initiates the next electrical pulse and maintains the pulse amplitude. ,frequency and pulse width Unchanged; among them, The amplitude of the electrical pulse, ranging from 50V to 150V; The pulse width is typically 100 μs; this continuous output strategy ensures the stability and effectiveness of the active ingredient delivery process.

[0025] When the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, the electrical pulse output is immediately terminated, and a safety response strategy is executed, including: In response to any abnormal condition, the power supply to the electrical pulse output module is cut off, and a corresponding safety response operation is performed based on the type and degree of deviation of the abnormal condition; the safety response operation is one of the following: Reduce the microneedle drive frequency and trigger a vibration alert; Stop the microneedle drive and electrical pulse output and activate the red warning light; Disable all output functions until the device completes the restart and self-test process; When any safety condition fails, the system immediately terminates the electrical pulse output and executes a graded response based on the anomaly type. Anomaly flag vector is defined. ,in: The system according to Non-zero elements and duration Choose a response strategy: like and Perform a downgrade operation; like or and Execute pause output; like and Force shutdown will be executed.

[0026] in, The duration of the current abnormal state; This indicates a potential skin breakage or liquid short circuit, classifying it as a high-risk situation. The algorithm provides intelligent, tiered protection, ranging from "alert" to "lockdown."

[0027] The contact detection module is used to detect whether the treatment head has formed effective electrical contact with the skin before the microneedle drive mechanism is activated; The voltage sampling circuit and the current sampling circuit are used to collect the voltage signal at both ends of the microneedle circuit and the current signal flowing through the microneedle circuit in real time after confirming the existence of effective electrical contact. A bioimpedance calculation unit, connected to the voltage sampling circuit and the current sampling circuit, is used to calculate the current bioimpedance value of the skin based on the voltage signal and the current signal; An inertial sensor is used to acquire the attitude angle of the beauty device relative to the skin surface; The main controller is communicatively connected to the contact detection module, the voltage sampling circuit, the current sampling circuit, the bioimpedance calculation unit, and the inertial sensor, respectively. The main controller is configured to: continuously determine whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within a preset safe impedance range, and whether the deviation of the posture angle is less than a preset angle threshold during the electrical pulse introduction process; when the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, control the electrical pulse output module to maintain electrical pulse output; when the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, control the electrical pulse output module to immediately terminate the electrical pulse output and execute a safety response strategy; The safety response strategy includes reducing the microneedle drive frequency and triggering a vibration alert, stopping the microneedle drive and electrical pulse output and activating a red warning light, or disabling all output functions until the device completes the restart and self-test process.

[0028] The control system uses a contact detection module, voltage / current sampling circuit, bioimpedance calculation unit, and inertial sensor. The main controller monitors the skin contact status, bioimpedance value, and device attitude angle in real time during the electrical pulse introduction process. It maintains output when all three conditions meet safety requirements, and immediately terminates output and executes a graded safety response strategy when any condition is abnormal.

[0029] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for controlling a beauty device, characterized in that, Includes the following steps: Before activating the microneedle drive mechanism, the contact detection module determines whether the treatment head has made effective electrical contact with the skin. After confirming the existence of effective electrical contact, the voltage and current signals in the microneedle circuit are collected in real time, and the current bioimpedance value of the skin is calculated based on the voltage and current signals. The orientation angle of the beauty device relative to the skin surface is obtained through a built-in inertial sensor; During the electrical pulse introduction process, it is continuously determined whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within the preset safe impedance range, and whether the deviation of the posture angle is less than the preset angle threshold. When the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, the electrical pulse output is maintained. When the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, the electrical pulse output is immediately terminated, and a safety response strategy is executed. The safety response strategy includes degraded operation, paused output, or forced shutdown.

2. The beauty device control method according to claim 1, characterized in that: Before activating the microneedle driving mechanism, the step of determining whether the treatment head has formed effective electrical contact with the skin through a contact detection module includes: detecting the impedance value of the microneedle circuit and comparing the impedance value with a first preset impedance threshold; if the impedance value is less than or equal to the first preset impedance threshold, it is determined that the treatment head has formed effective electrical contact with the skin; if the impedance value is greater than the first preset impedance threshold, it is determined that the treatment head has not formed effective electrical contact with the skin.

3. The beauty device control method according to claim 1, characterized in that: The step of acquiring voltage and current signals in the microneedle circuit in real time after confirming the existence of effective electrical contact, and calculating the current bioimpedance value of the skin based on the voltage and current signals, includes: after determining that effective electrical contact has been formed, acquiring the voltage signal at both ends of the microneedle circuit through a voltage sampling circuit, acquiring the current signal flowing through the microneedle circuit through a current sampling circuit, and determining the current bioimpedance value of the skin based on the ratio of the voltage signal to the current signal.

4. The beauty instrument control method according to claim 1, characterized in that: The step of obtaining the attitude angle of the beauty device relative to the skin surface through the built-in inertial sensor includes: a three-axis accelerometer sensing the component of the gravity vector in the coordinate system of the beauty device body, and calculating the angle between the Z-axis of the beauty device and the vertical direction based on the component, and using the angle as the attitude angle.

5. The beauty instrument control method according to claim 1, characterized in that: During the electrical pulse introduction process, continuously determining whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within a preset safe impedance range, and whether the deviation of the posture angle is less than a preset angle threshold includes: During the electrical pulse introduction, the following judgment operation is performed cyclically at a frequency of not less than 10 Hz: determining whether the impedance value of the microneedle circuit is less than or equal to the first preset impedance threshold, in order to confirm whether the effective electrical contact continues to exist; Determine whether the bioimpedance value is not less than the second preset impedance threshold and not greater than the third preset impedance threshold to confirm that it is within the safe impedance range; Determine whether the posture angle is less than a fourth preset angle threshold to confirm that the device is within the permissible puncture posture range.

6. The beauty instrument control method according to claim 1, characterized in that: The step of maintaining electrical pulse output when the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold includes: under the conditions that the effective electrical contact continues, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, automatically starting the next electrical pulse cycle after the current electrical pulse cycle ends, and keeping the amplitude, frequency, and pulse width parameters of the electrical pulse unchanged.

7. The beauty instrument control method according to claim 1, characterized in that: When the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, the electrical pulse output is immediately terminated, and a safety response strategy is executed, including: In response to any abnormal condition, the power supply to the electrical pulse output module is cut off, and a corresponding safety response operation is performed based on the type and degree of deviation of the abnormal condition; the safety response operation is one of the following: Reduce the microneedle drive frequency and trigger a vibration alert; Stop the microneedle drive and electrical pulse output and activate the red warning light; Disable all output functions until the device completes the restart and self-test process.

8. A beauty instrument control system employing the beauty instrument control method according to any one of claims 1-7, characterized in that, include: The contact detection module is used to detect whether the treatment head has formed effective electrical contact with the skin before the microneedle drive mechanism is activated; The voltage sampling circuit and the current sampling circuit are used to collect the voltage signal at both ends of the microneedle circuit and the current signal flowing through the microneedle circuit in real time after confirming the existence of effective electrical contact. A bioimpedance calculation unit, connected to the voltage sampling circuit and the current sampling circuit, is used to calculate the current bioimpedance value of the skin based on the voltage signal and the current signal; An inertial sensor is used to acquire the attitude angle of the beauty device relative to the skin surface; The main controller is communicatively connected to the contact detection module, the voltage sampling circuit, the current sampling circuit, the bioimpedance calculation unit, and the inertial sensor, respectively. The main controller is configured to: continuously determine whether the treatment head maintains effective electrical contact with the skin, whether the bioimpedance value is within a preset safe impedance range, and whether the deviation of the posture angle is less than a preset angle threshold during the electrical pulse introduction process; when the treatment head maintains effective electrical contact with the skin, the bioimpedance value is within the safe impedance range, and the deviation of the posture angle is less than the preset angle threshold, control the electrical pulse output module to maintain electrical pulse output; when the treatment head loses effective electrical contact with the skin, the bioimpedance value exceeds the safe impedance range, or the deviation of the posture angle is greater than or equal to the preset angle threshold, control the electrical pulse output module to immediately terminate the electrical pulse output and execute a safety response strategy; The safety response strategy includes reducing the microneedle driving frequency and triggering a vibration alert, stopping the microneedle driving and electrical pulse output and activating a red warning light, or disabling all output functions until the device completes the restart and self-test process.

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