Method for controlling high-frequency output apparatus on basis of pressure sensor, treatment head, and high-frequency output apparatus

Abstract

The present application discloses a method for controlling a high-frequency output apparatus on the basis of a pressure sensor, a treatment head, and a high-frequency output apparatus and relates to the technical field of high-frequency output apparatuses. The pressure sensor is arranged on a treatment head of the high-frequency output apparatus, and the treatment head is configured for coming into contact with skin. The method comprises: step S10, acquiring a contact signal collected by the pressure sensor, wherein the contact signal is generated on the basis of the contact between the treatment head and the skin; and step S20, according to the contact signal, determining the contact between the treatment head and the skin to control the high-frequency output apparatus to output corresponding working power and working frequency to the treatment head.

Description

Method for controlling high-frequency output device based on pressure-sensitive sensor, treatment head and high-frequency output device

[0001] The present application claims priority to the Chinese patent application No. 202411123389.9, filed on August 15, 2024, and entitled "Method for controlling high-frequency output device based on pressure-sensitive sensor, treatment head and high-frequency output device", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of high-frequency output devices, and in particular to a method for controlling a high-frequency output device based on a pressure-sensitive sensor, a treatment head and a high-frequency output device. BACKGROUND

[0003] At present, the treatment head in the high-frequency output device usually adopts high-frequency energy for treatment. High-frequency energy treatment technology is a method for realizing non-invasive treatment by using high-frequency ultrasonic waves, high-frequency alternating currents and other energies. This technology transmits high-frequency energy waves to a specific small area below the skin to produce local thermal or other physical effects, thereby achieving the treatment purpose. It can be understood that the conventional treatment head cannot start the treatment work at the appropriate time, resulting in the problems of poor clinical effect and poor treatment effect of the treatment head in some application scenarios, such as the inability to start the corresponding treatment in specific situations or the inability to output the corresponding working frequency or working power in specific situations, thereby causing skin injury and inefficient treatment.

[0004] The existing solution is to increase multiple sensors on the treatment head to detect different movement modes of the treatment head on the skin, so as to start the treatment work at the appropriate time. However, it should be noted that the arrangement of multiple sensors in the internal space of the treatment head will result in high internal space occupation, thereby reducing the internal space of the treatment head and increasing the cost. Moreover, the treatment head still has the problems of misjudgment and low sensitivity. TECHNICAL PROBLEM

[0005] The main purpose of the present application is to provide a method for controlling a high-frequency output device based on a pressure-sensitive sensor, a treatment head and a high-frequency output device, which aims to reduce the occupation of the internal space of the treatment head while improving the treatment effect of the treatment head. TECHNICAL SOLUTION

[0006] To achieve the above-mentioned purpose, the present application provides a method for controlling a high-frequency output device based on a pressure-sensitive sensor. The high-frequency output device includes a treatment head for contacting the skin and transmitting high-frequency energy to the skin. The pressure-sensitive sensor is arranged in the treatment head. The method comprises the following steps:

[0007] Step S10, obtaining a contact signal collected by the pressure sensor, the contact signal being generated when the treatment head contacts the skin;

[0008] Step S20, determining the contact condition of the treatment head and the skin according to the contact signal, to control the high-frequency output device to output a working power and / or a working frequency corresponding to the contact condition to the treatment head.

[0009] In an embodiment, the contact signal includes a first signal and a second signal.

[0010] The first signal represents the sliding speed information of the treatment head after contacting the skin, and the second signal represents the pressing force information of the treatment head after contacting the skin.

[0011] In an embodiment, the step S20 further includes:

[0012] When the value corresponding to the first signal is less than a first preset threshold, it represents that the treatment head is in static contact with the skin, and the high-frequency output device outputs a first parameter to the treatment head.

[0013] When the value corresponding to the first signal is greater than the first preset threshold, it represents that the treatment head is in dynamic contact with the skin, and the high-frequency output device outputs a second parameter to the treatment head.

[0014] In an embodiment, the step S20 further includes:

[0015] When the value corresponding to the first signal is greater than the first preset threshold and less than a second preset threshold, it represents that the treatment head is in contact with the skin at a first sliding speed, and the high-frequency output device outputs a third parameter to the treatment head.

[0016] When the value corresponding to the first signal is greater than the second preset threshold, it represents that the treatment head is in contact with the skin at a second sliding speed, and the high-frequency output device outputs a fourth parameter to the treatment head.

[0017] In an embodiment, the step S20 further includes:

[0018] When the value corresponding to the first signal is greater than the first preset threshold and continuously changes, the output power of the high-frequency output device continuously changes following the value corresponding to the first signal.

[0019] In an embodiment, the step S20 further includes:

[0020] When the value corresponding to the second signal is less than a third preset threshold, it represents that the treatment head does not effectively contact the skin, and the high-frequency output device outputs a fifth parameter to the treatment head.

[0021] when the value corresponding to the second signal is greater than a third preset threshold, it is represented that the treatment head is in static contact with the skin, and the high-frequency output device outputs a first parameter to the treatment head.

[0022] In an embodiment, the step S20 further comprises:

[0023] S21, judging whether the value corresponding to the second signal is less than a third preset threshold, if yes, it is represented that the treatment head is not in effective contact with the skin, and the high-frequency output device outputs a fifth parameter to the treatment head, if not, the next step is executed;

[0024] S22, judging whether the value corresponding to the first signal is less than a first preset threshold, if yes, it is represented that the treatment head is in static contact with the skin, and the high-frequency output device outputs a first parameter to the treatment head, if not, it is represented that the treatment head is in dynamic contact with the skin, and the high-frequency output device outputs a second parameter to the treatment head.

[0025] In an embodiment, after the step S22, the method further comprises:

[0026] S23, when the value corresponding to the second signal is greater than a third preset threshold, and the value corresponding to the first signal is greater than a first preset threshold, judging whether the value corresponding to the first signal is less than a second preset threshold, if yes, it is represented that the treatment head is in contact with the skin at a first sliding speed, and the high-frequency output device outputs a third parameter to the treatment head, if not, it is represented that the treatment head is in contact with the skin at a second sliding speed, and the high-frequency output device outputs a fourth parameter to the treatment head;

[0027] The second preset threshold is greater than the first preset threshold, and the second sliding speed is greater than the first sliding speed.

[0028] In an embodiment, the first signal represents the rate of change of the working voltage and / or working current;

[0029] The second signal represents the amplitude of the working voltage and / or working current.

[0030] The application also provides a treatment head, in an embodiment, the treatment head comprises:

[0031] A pressure-sensitive sensor;

[0032] A memory for storing a computer program;

[0033] A processor for running the computer program;

[0034] The computer program is configured to implement the method of controlling the high-frequency output device based on the pressure-sensitive sensor according to any one of the above.

[0035] The application also provides a high-frequency output device, which comprises an output module, a feedback module, a control module and a treatment head as described above, the feedback module is used for receiving and transmitting a contact signal output by a pressure sensor of the treatment head; the control module is electrically connected with the feedback module and the treatment head, and is used for receiving the contact signal to control the output module to output working power and / or working frequency of a corresponding size to the treatment head. Advantages

[0036] The application provides a method for controlling a high-frequency output device based on a pressure sensor, the pressure sensor is used in a treatment head of the high-frequency output device, when the treatment head contacts the skin, the pressure sensor can generate a corresponding touch signal according to a contact mode of the treatment head and the skin. In this way, the contact mode of the treatment head and the skin can be judged through the touch signal (including a value corresponding to a first signal and a value corresponding to a second signal, the value corresponding to the first signal represents sliding speed information of the treatment head after contacting the skin, and the value corresponding to the second signal represents pressing force information of the treatment head after contacting the skin), and a control module of the high-frequency output device can control working parameters of the treatment head according to the contact mode. Compared with a traditional treatment head, the treatment head triggers treatment when contacting the skin, and the sliding speed of the user in the use process cannot match the output corresponding working parameters (working power and / or working frequency), and the treatment effect is poor; the method for controlling based on multiple parameters detected by the pressure sensor can work according to the contact mode of the treatment head and the skin, corresponding working parameters are provided when the treatment head slides fast or slowly, to ensure that the sliding speed matches the working parameters, and also ensure that the treatment head stops working when it does not need to work, such as when contacting the skin statically, so as to improve the treatment effect of the high-frequency output device or the treatment head. In addition, since the application only uses one pressure sensor, the pressing force and the sliding speed can be detected, and the demand for the internal space of the treatment head is reduced. In this way, compared with the treatment head in the prior art, the application reduces the occupation of the internal space of the treatment head, and also improves the treatment effect of the treatment head. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed in the embodiment and prior art description. Obviously, the drawings in the following description only show some embodiments of the application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0038] Fig. 1 is a flow chart of a working parameter control method according to an embodiment of the application;

[0039] FIG. 2 is a flow chart of another embodiment of the method for controlling operating parameters provided by the present application.

[0040] The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings. Embodiments of the present application

[0041] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0042] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0043] In addition, if the embodiments of the present application involve descriptions of “first”, “second”, etc., the descriptions of “first”, “second”, etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by “first”, “second” can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person of ordinary skill in the art can implement it, and when the combination of technical solutions appears contradictory or unimplementable, it should be considered that the combination of technical solutions does not exist, and is also not within the scope of protection claimed by the present application.

[0044] Currently, the treatment head in high-frequency output devices usually uses high-frequency energy to perform treatment. High-frequency energy treatment technology is a method of using high-frequency energy such as high-frequency ultrasound, high-frequency alternating current, and high-frequency electromagnetic waves to achieve non-invasive treatment. This technology transmits high-frequency energy waves to a specific small area below the skin surface to generate local thermal or other physical effects, thereby achieving the treatment purpose. It can be understood that the high-frequency output device mentioned in this application includes an ultrasonic output device, a high-frequency current output device (or a radio frequency output device), etc. Good contact between the treatment head and the skin tissue surface is required. The conventional treatment head cannot start the treatment work at the appropriate time, resulting in poor clinical effect and poor treatment effect of the treatment head in some application scenarios, such as the inability to start the corresponding treatment in specific situations or the inability to output the corresponding working frequency or working power in specific situations, thereby causing skin injury, inefficient treatment, etc.

[0045] The existing solution is to add multiple different sensors to the treatment head to detect different movement modes of the treatment head on the skin, thereby enabling the treatment work to start at the appropriate time. However, it should be noted that the internal space of the treatment head is occupied by multiple sensors, which reduces the internal space of the treatment head and increases the cost. In addition, the treatment head uses one sensor to judge the attachment and another sensor to judge the movement. Using a simple displacement sensor to judge the movement will cause misjudgment when the user is moving, resulting in medical risk problems such as lack of sensitivity and false triggering, and still cannot perform efficient treatment.

[0046] In addition, the treatment head in the prior art still has some problems. Specifically, the treatment head fails to start or adjust its working parameters (such as frequency and power) at the best time, resulting in poor treatment effect and even possible harm to the patient. For example, during treatment, if the treatment head is activated when it is not fully attached to the skin or is stationary on the skin, it may cause local overheating, resulting in skin burns or tissue damage, especially for sensitive areas such as the eyes, which is particularly significant. In addition, if the treatment is started when the treatment head is not in good contact with the skin, uneven energy distribution may result in unsatisfactory treatment effect, even deviating from the target area, causing unnecessary medical risks.

[0047] Therefore, there is a need for a treatment head that can reduce the internal space occupation of the treatment head while improving the treatment effect of the treatment head.

[0048] Therefore, in order to improve the treatment effect of the treatment head while reducing the internal space occupation of the treatment head, the application proposes a working parameter control method based on a pressure sensor. In an embodiment, as shown in FIG. 1, the pressure sensor is arranged on a treatment head of a high-frequency output device, and the treatment head is used to contact the skin. The method includes steps S10 and S20. In step S10, a contact signal collected by the pressure sensor is acquired, and the contact signal is generated based on the contact between the treatment head and the skin. In step S20, the contact between the treatment head and the skin is determined according to the contact signal, so as to control the high-frequency output device to output a corresponding working power and / or working frequency to the treatment head. In this way, by monitoring the contact between the treatment head and the skin (usually the skin of a patient or a lesion site), the treatment parameters of the high-frequency output device are dynamically adjusted, so that the treatment can be effective and safe.

[0049] It can be understood that the contact condition can be divided into multiple types, which can be no contact, static contact, dynamic contact, and the dynamic contact can be distinguished by sliding speed. Each contact state can correspond to a working parameter, so that the treatment effect of the treatment head can be improved.

[0050] The sensor can be a resistance type, a capacitance type or other types of sensors.

[0051] For step S10: acquiring the contact signal collected by the pressure sensor, the contact signal is generated based on the contact between the treatment head and the skin. This step involves collecting data from the pressure sensor installed on the treatment head. When the treatment head contacts the skin, the pressure sensor will generate an electrical signal according to the contact pressure and / or sliding condition, which directly reflects the specific details of the contact between the treatment head and the skin, such as the pressing force and the sliding speed. It can be understood that the original electrical signal generated by the pressure sensor is usually an analog signal. These signals need to be converted into digital signals by an analog-to-digital converter (ADC) for subsequent computer processing.

[0052] For step S20, the contact between the treatment head and the skin is determined according to the contact signal, so as to control the high-frequency output device to output working power and / or working frequency of corresponding size to the treatment head. In this step, the control system of the high-frequency output device analyzes the contact signal obtained from step S10 to determine the contact mode between the treatment head and the skin. The control system analyzes the contact signal to identify whether the treatment head is in a stationary state or is sliding, and the speed of sliding and the pressing force. Based on the above information, the system will determine how to adjust the working parameters (working power and / or working frequency) of the treatment head. For example, if the treatment head is sliding quickly, the intensity or frequency of the ultrasonic waves may need to be increased to enable the treatment head to achieve uniform treatment and avoid poor treatment effect caused by moving too fast; on the contrary, if the treatment head is attached to the skin and stationary, the ultrasonic wave output can be reduced or turned off to avoid hurting the user.

[0053] In an actual application scenario, in order to improve the treatment effect and safety, a pressure sensor is integrated on the treatment head. When the treatment head is in contact with the skin, the resistance value of the pressure sensor changes according to the contact condition, so that the corresponding working voltage or working current also changes. The change of the working voltage or working current is transmitted to the control system for analysis, and the information of the sliding speed and the pressing force of the treatment head can be extracted; then, the control system automatically adjusts the working parameters of the treatment head, such as the power and frequency of the ultrasonic waves, according to the information. Specifically, when the therapist slowly moves the treatment head after attaching it to the skin, the resistance value of the pressure sensor first changes abruptly and then changes slowly, and the corresponding working voltage changes accordingly; the system determines that the treatment head is slowly sliding after being attached to the skin according to the change of the working voltage, and reduces the output power of the ultrasonic waves to avoid over-treatment; on the contrary, when the treatment head is quickly moved after being attached to the target, the resistance value of the pressure sensor first changes abruptly and then changes slowly, and the corresponding working voltage changes accordingly; the system determines that the treatment head is quickly sliding after being attached to the skin according to the change of the working voltage, and the system increases the power of the ultrasonic waves to ensure sufficient treatment. In this way, the working parameter dynamic adjustment mechanism based on the pressure sensor enables the high-frequency output device to use energy more efficiently, reduces side effects, improves treatment efficiency and safety, and also improves the treatment experience of the patient.

[0054] It should be noted that the treatment head in the prior art adopts multiple sensors, such as proximity sensors, accelerometers, gyroscopes, temperature sensors, and pressure sensors, and the like, which are respectively responsible for detecting different physical characteristics, such as distance, motion state, rotation angle, local temperature, and pressure distribution. However, such a multi-sensor configuration not only increases the complexity and cost of the treatment head, but also occupies internal space, limiting the integration and optimization of other key components. Therefore, in the present embodiment, only a pressure-sensitive sensor is used to realize the simultaneous sensing of contact pressure and sliding speed, thereby simplifying the sensor configuration, reducing the space occupation of the treatment head, and improving the treatment effect.

[0055] In the present embodiment, the number of pressure-sensitive sensors can be multiple, specifically, multiple sensors are arranged on the end face of the treatment head in a diagonal or grid shape, thereby not only determining whether the treatment head is completely attached to the skin, but also detecting the uniformity of contact, avoiding the case of insufficient attachment to start treatment due to single-point pressure misjudgment. In addition, the design of multiple sensors can ensure that at least two sensors simultaneously sense sufficient pressure before determining effective contact, thereby avoiding the mis-triggering of treatment when the treatment head forms an angle or partially contacts the skin, significantly improving the safety and effectiveness of treatment. At the same time, the multi-sensor layout can also detect the movement state of the treatment head on the skin, such as sliding speed and direction, providing more comprehensive information for dynamically adjusting treatment parameters, ensuring that the treatment process is both efficient and accurate.

[0056] In summary, the conventional treatment head triggers treatment as soon as it contacts the skin, and the user's sliding speed during use cannot match the corresponding output working parameters, resulting in poor treatment effect. Therefore, the present application proposes a working parameter control method based on a pressure-sensitive sensor, which is used in the treatment head of a high-frequency output device. When the treatment head contacts the skin, the pressure-sensitive sensor can generate a corresponding touch signal according to the contact mode of the treatment head and the skin. In this way, the contact mode of the treatment head and the skin can be determined through the touch signal, and the control module of the high-frequency output device can control the working parameters of the treatment head according to the contact mode. In this way, corresponding work can be performed according to the contact mode of the treatment head and the skin, and corresponding working parameters (working power and / or working frequency) are provided when the treatment head slides quickly or slowly, to ensure that the sliding speed matches the working parameters, and also to ensure that the treatment head stops working when it is not needed, such as when it is in static contact with the skin, thereby improving the treatment effect of the high-frequency output device or the treatment head. In addition, since the present application only uses one pressure-sensitive sensor, it can detect the pressing force and sliding speed, reducing the demand for internal space of the treatment head. Therefore, compared with the treatment head in the prior art, the present application not only reduces the internal space occupation of the treatment head, but also improves the treatment effect of the treatment head.

[0057] In an embodiment, the working parameter includes working power and working frequency, i.e., the working power and working frequency of the treatment head are determined according to the contact between the treatment head and the skin, so that the frequency and output power are matched according to the sliding speed, and the defect that the treatment effect is poor or the curative effect is not obvious due to too fast sliding during use can be improved.

[0058] In an embodiment, the contact signal includes a value corresponding to the first signal and a value corresponding to the second signal, the value corresponding to the first signal representing the sliding speed information of the treatment head after contacting the skin, and the value corresponding to the second signal representing the pressing force information of the treatment head after contacting the skin.

[0059] It can be understood that the specific value of the first signal can determine whether the treatment head is moving fast or slow, or completely stationary, and the specific value of the second signal can determine whether the treatment head is in contact with the skin with appropriate pressure. By combining the value corresponding to the first signal and the value corresponding to the second signal, the control system can comprehensively understand the contact between the treatment head and the skin, so as to more accurately adjust the working parameter of the treatment head.

[0060] In the embodiment, step S20 can specifically include: when the value corresponding to the first signal is less than a first preset threshold, it is represented that the treatment head is in static contact with the skin, and the high-frequency output device outputs a first parameter to the treatment head.

[0061] It can be understood that static contact refers to a state in which there is almost no relative movement between the treatment head and the skin. In this state, the treatment head is in close contact with the skin, but there is no obvious sliding. The first parameter is the working parameter set by the high-frequency output device according to the current contact mode, and when static contact is detected, the high-frequency output device outputs the first parameter to the treatment head, so that the treatment head works at the first parameter. In the embodiment, the working power and working frequency corresponding to the first parameter can be 0 or slightly greater than 0; when it is 0, it can ensure that the treatment head stops outputting when it does not slide, so as to avoid excessive accumulation of ultrasonic energy in the same area and cause damage to the user; when it is greater than 0, single-point treatment can be achieved, so the first parameter can be appropriate power and frequency, or it can correspond to the off state of the treatment head, which can be determined according to actual application.

[0062] It should be noted that the first preset threshold, the second preset threshold and the third preset threshold mentioned below are all thresholds corresponding to the first signal, i.e., representing the change rate of the sliding speed; the third preset threshold is a threshold corresponding to the second signal, i.e., representing the force of the contact.

[0063] Step S20 can further include: when the value corresponding to the first signal is greater than the first preset threshold, it is represented that the treatment head is in dynamic contact with the skin, and the high-frequency output device outputs a second parameter to the treatment head.

[0064] It can be understood that dynamic contact refers to the case that there is relative motion between the treatment head and the skin, in which the treatment head is in contact with the skin while sliding. The second parameter is the working parameter set by the high-frequency output device according to the current contact mode. When dynamic contact is detected, the high-frequency output device outputs the second parameter to the treatment head, so that the treatment head works at the second parameter. In this embodiment, the power and the frequency corresponding to the second parameter are both greater than 0, that is, the treatment head is in a treatment state, and the specific numerical value of the parameter is determined according to the sliding speed, which is not limited here. In this way, when the treatment head dynamically contacts the skin, the system can control the treatment head to start working.

[0065] In this embodiment, step S20 can further include: when the value corresponding to the first signal is greater than the first preset threshold and less than the second preset threshold, it is represented that the treatment head contacts the skin at a first sliding speed, and the high-frequency output device outputs a third parameter to the treatment head.

[0066] It can be understood that in this case, the treatment head contacts the skin at a first sliding speed, that is, there is a certain sliding speed between the treatment head and the skin, but the sliding speed is not very fast. In this case, the high-frequency output device outputs a third parameter to the treatment head to ensure that the treatment is effective and will not be insufficient due to the fast sliding speed. The specific value of the third parameter depends on the actual application requirement to ensure the treatment effect.

[0067] Step S20 can further include: when the value corresponding to the first signal is greater than the second preset threshold, it is represented that the treatment head contacts the skin at a second sliding speed, and the high-frequency output device outputs a fourth parameter to the treatment head.

[0068] It can be understood that in this case, the treatment head contacts the skin at a second sliding speed, which indicates that there is a fast sliding speed between the treatment head and the skin. In this case, the high-frequency output device outputs a fourth parameter to the treatment head to ensure that the treatment head can uniformly apply treatment energy. The fourth parameter can include a higher power and a frequency, and in this embodiment, the working power and the working frequency in the fourth parameter are greater than those in the third parameter, so as to ensure that sufficient treatment effect can be achieved even in the case of fast sliding. The first parameter, the second parameter, the third parameter and the fourth parameter can all directly or indirectly represent the power or the frequency.

[0069] The first sliding speed and the second sliding speed have a size relationship that the second sliding speed is greater than the first sliding speed. In this way, the greater the speed, the higher the working parameter output by the high-frequency output device.

[0070] The first preset threshold and the second preset threshold have a size relationship that the second preset threshold is greater than the first preset threshold.

[0071] It should be noted that the first sliding speed and the second sliding speed can be converted from the rate of change of voltage and / or current, and the first sliding speed referred to herein is not limited to a certain value. The first sliding speed and the second sliding speed can be interval values, and any value in the interval of the second sliding speed is greater than any value in the interval of the first sliding speed. That is, when the treatment head slides at any speed in the interval of the first sliding speed, the high-frequency output device can output the third parameter to the treatment head; when the treatment head slides at any speed in the interval of the second speed, the high-frequency output device can output the fourth parameter to the treatment head. Alternatively, the first sliding speed and the second sliding speed can also be average values, that is, when the average speed of the treatment head in a unit of time is the first sliding speed, the high-frequency output device can output the third parameter to the treatment head; when the average speed of the treatment head in a unit of time is the second sliding speed, the high-frequency output device can output the fourth parameter to the treatment head.

[0072] In the embodiment, step S20 can further include: when the value corresponding to the first signal is greater than the first preset threshold, and the value continuously changes, the output power of the high-frequency output device continuously changes corresponding to the change of the value corresponding to the first signal.

[0073] It can be understood that in this case, the sliding speed of the treatment head changes within a certain range, and the output power of the high-frequency output device continuously changes corresponding to the change of the sliding speed. This means that when the sliding speed increases, the output power also increases, and vice versa. This dynamic adjustment ensures that the treatment head can maintain the best treatment effect at any sliding speed, while avoiding uneven treatment or over-treatment caused by changes in sliding speed. For example, when the speed increases from A to B, this is not a sudden change, but a continuous change from A to B, and correspondingly, the output power and frequency are not suddenly changed from A' to B', but continuously changed from A' to B'. In this way, the applicability of the treatment head is further ensured.

[0074] In the embodiment, step S20 can further include: when the value corresponding to the second signal is less than the third preset threshold, indicating that the treatment head does not effectively contact the skin, the high-frequency output device outputs a fifth parameter to the treatment head.

[0075] It can be understood that in this case, the pressing force between the treatment head and the skin is not enough to start the treatment. This can mean that the treatment head is in contact with the skin, but the contact force is not enough to ensure effective treatment. In this case, the high-frequency output device outputs the fifth parameter to the treatment head, and the fifth parameter can be a closed state corresponding to the treatment head, to avoid ineffective treatment or skin damage caused by improper treatment.

[0076] Step S20 can further include: when the value corresponding to the second signal is greater than the third preset threshold, representing that the treatment head is in static contact with the skin, and the high-frequency output device outputs the first parameter to the treatment head.

[0077] It can be understood that in this case, there is effective contact between the treatment head and the skin. This means that the treatment head is in contact with the skin with appropriate pressing force, and the standard for starting treatment is reached. In this case, the working power and working frequency corresponding to the first parameter can be 0 or slightly greater than 0; when it is 0, it can ensure that the treatment head stops outputting when it does not slide, avoiding hurting the user; when it is greater than 0, it can achieve single-point treatment, so the first parameter can be appropriate power and frequency, or it can correspond to the off state of the treatment head, which can be determined according to actual application.

[0078] In addition, the following setting can be made: when the treatment head is only in static contact with the skin, the treatment head does not work to avoid hurting the skin; only when the treatment head is sliding, the work is started to perform the treatment work.

[0079] In an embodiment, the specific steps included in step S20 can be nested in the above-mentioned embodiments, that is, the system has multiple determinations to control the treatment head, so as to achieve more reasonable treatment work.

[0080] In an embodiment, as shown in FIG. 2, step S20 further includes steps S21 to S22:

[0081] S21, determining whether the value corresponding to the second signal is less than the third preset threshold, if yes, representing that the treatment head is not in effective contact with the skin, and the high-frequency output device outputs the fifth parameter to the treatment head, if not, executing the next step.

[0082] S22, determining whether the value corresponding to the first signal is less than the first preset threshold, if yes, representing that the treatment head is in static contact with the skin, and the high-frequency output device outputs the first parameter to the treatment head, if not, representing that the treatment head is in dynamic contact with the skin, and the high-frequency output device outputs the second parameter to the treatment head.

[0083] In this way, the threshold range in which the value corresponding to the first signal and the value corresponding to the second signal are located can be determined step by step from small to large, so as to control the working of the treatment head and the corresponding working parameter. Through the multi-layer determination logic, the high-frequency output device can more accurately identify the contact state between the treatment head and the skin, and dynamically adjust the working parameter according to the actual situation, thereby improving the accuracy and safety of the treatment.

[0084] It should be noted that the above embodiment can control the working parameters of the treatment head according to the values corresponding to the first signal and the second signal in the contact signal at the same time. By considering the sliding speed and the pressing force at the same time, the control system can more comprehensively evaluate the contact state between the treatment head and the skin. In this way, compared with using the value corresponding to one of the signals alone, the actual contact state between the treatment head and the skin can be more accurately reflected, so that more accurate, safer and more effective treatment can be achieved.

[0085] In addition, based on the control of the working parameters of the treatment head according to the values corresponding to the first signal and the second signal in the contact signal at the same time, the pressing force of the treatment head during sliding can be used to determine whether the working parameters need to be changed. Specifically, during the sliding treatment process, the pressing force is crucial to the treatment effect. A proper pressing force can help the treatment head to better contact the skin surface, thereby improving the effectiveness of the treatment. Excessive pressing force can cause skin damage, and insufficient pressing force can not achieve the expected treatment effect. In this way, the following examples can demonstrate the control method. First, when the treatment head slides quickly and the pressing force is moderate, the system can output the fourth parameter to the treatment head to ensure that the treatment head can still uniformly apply treatment energy when moving quickly; second, when the treatment head slides slowly and the pressing force is too small, the system can output the second parameter or the third parameter to the treatment head to reduce the power and avoid ineffective treatment; when the treatment head slides slowly and the pressing force is too large, the system can output the fifth parameter to the treatment head to reduce the power and avoid local overheating or damage.

[0086] In an embodiment, as shown in FIG. 2, step S20 includes step S23:

[0087] S23, when the value corresponding to the second signal is greater than the third preset threshold value, and the value corresponding to the first signal is greater than the first preset threshold value, it is judged whether the value corresponding to the first signal is less than the second preset threshold value, if yes, it represents that the treatment head contacts the skin at the first sliding speed, and the high-frequency output device outputs the third parameter to the treatment head, if not, it represents that the treatment head contacts the skin at the second sliding speed, and the high-frequency output device outputs the fourth parameter to the treatment head;

[0088] Similarly, step S23 provides a more refined control strategy by comprehensively considering the values corresponding to the two signals of the sliding speed and the pressing force, ensuring the safety and effectiveness of the treatment process.

[0089] In this embodiment, when the treatment head contacts the skin, the resistance value of the pressure sensor changes, so that the corresponding working voltage and / or working current changes; the first signal specifically represents the change rate of the working voltage and / or working current; and the second signal specifically represents the amplitude of the working voltage and / or working current.

[0090] It can be understood that when the treatment head contacts the skin, the resistance value of the pressure sensor changes with the change of the contact pressure. This change will cause a corresponding change in the working voltage and / or working current in the circuit.

[0091] The first signal represents the rate of change of the working voltage and / or working current, and the system can determine the sliding speed of the treatment head after contacting the target according to the first signal. Specifically, when the treatment head starts to contact the skin or move on the skin, the resistance value of the pressure sensor will change rapidly, causing the current or voltage in the circuit to also change rapidly. This rate of change is transmitted to the system in the form of the first signal to reflect the instantaneous dynamics or sliding speed of the treatment head when it contacts the target. For example, when the treatment head slides quickly, the value corresponding to the first signal will be larger, indicating a higher rate of change of the working voltage and / or working current; conversely, when the treatment head is stationary or moves slowly, the value corresponding to the first signal will be smaller.

[0092] The second signal represents the amplitude of the working voltage and / or working current, and the system can determine the degree of fit of the treatment head to the target according to the first signal. Specifically, after the treatment head stably contacts the skin, the resistance value of the pressure sensor will change abruptly, and the corresponding working voltage and / or working current will also change abruptly, and finally stabilize. The stabilized value is transmitted to the system in the form of the first signal to reflect the degree of fit (i.e. the pressing force) of the treatment head when it contacts the target. For example, if the final value after stabilization (the value corresponding to the first signal) exceeds a third predetermined threshold, it is determined to be effective contact, otherwise it is determined to be ineffective contact.

[0093] In an embodiment, the first signal and the second signal are both converted into ADC (Analog-to-Digital Converter) signals. The use of ADC signals can provide more accurate, stable and easy-to-process data formats, which helps high-frequency output devices to intelligently and dynamically adjust the working parameters of the treatment head.

[0094] It can be understood that the first signal and the second signal are both corresponding voltage signals or current signals, and are both analog signals; the analog signals are converted into digital signals to facilitate analysis and processing by the microprocessor or control system.

[0095] It needs to be explained that the first preset threshold and the second preset threshold mentioned above can be set based on the fluctuation rate of the ADC signal to distinguish different types of sliding speed; specifically, the first preset threshold is used to distinguish static contact and dynamic contact, and the second preset threshold is used to further distinguish different sliding speed grades. The third preset threshold can be set based on the specific value of the ADC signal to determine whether there is effective contact between the treatment head and the skin. The third preset threshold can be 200 or 500; the first preset threshold can also be 200, and the second preset threshold is greater than 200.

[0096] In the present embodiment, the first working parameter corresponds to the static contact of the treatment head with the skin, and the output working power and working frequency of the high-frequency output device can be 0 or greater than 0; the second working parameter corresponds to the dynamic contact of the treatment head with the skin, and the output working power and working frequency of the high-frequency output device are greater than 0; the third working parameter corresponds to the contact of the treatment head with the skin at a first sliding speed; the fourth working parameter corresponds to the contact of the treatment head with the skin at a second sliding speed, the second sliding speed being greater than the first sliding speed, and the working power and working frequency in the corresponding fourth parameter being also greater than the working power and working frequency in the third parameter; the fifth working parameter corresponds to the non-effective contact of the treatment head with the skin, which can be the off state of the treatment head.

[0097] In actual application, when the treatment head contacts the skin, if the ADC value of the pressure sensor collects feedback data that is basically unchanged or has a small fluctuation range (less than a threshold of 200), it indicates that the treatment head is in a static contact state, and the treatment head does not output energy at this time. If the ADC value collects feedback data that changes rapidly, it indicates that the treatment head is sliding rapidly. If the ADC value collects feedback data that changes slowly, it indicates that the treatment head is sliding slowly.

[0098] For frequency matching based on the ADC value: when the treatment head contacts the skin, if the ADC value of the pressure sensor collects feedback data that is basically unchanged or has a small fluctuation range (less than a threshold of 200), it indicates that the treatment head is in a static contact state, and the treatment head does not output energy at this time (corresponding to the first parameter in the above). For the sliding state, the system matches the output frequency according to the rate of change of the ADC value: when the ADC value changes rapidly (indicating that the treatment head is sliding rapidly), the frequency of energy output is set to 25 times per second (corresponding to the fourth parameter in the above). When the ADC value changes slowly (indicating that the treatment head is sliding slowly), the frequency of energy output is set to 8 times per second (corresponding to the third parameter in the above).

[0099] For power matching based on ADC value: when the treatment head is in contact with the skin, if the ADC value of the pressure sensor collects feedback data that is basically unchanged or has a small fluctuation range (less than a threshold value of 200), it indicates that the treatment head is in a static contact state, and the treatment head does not output energy. For the sliding state, the system matches the output power according to the rate of change of the ADC value: when the ADC value changes rapidly, it indicates that the treatment head is sliding quickly, and the power setting of the energy output is 5 watts (corresponding to the fourth parameter in the above). When the ADC value changes slowly, it indicates that the treatment head is sliding slowly, and the power setting of the energy output is 2 watts (corresponding to the third parameter in the above).

[0100] In a specific application scenario, the method disclosed in the present application is applied to the treatment head, the third preset threshold value is 200, and if the treatment head is attached to the target, the ADC value corresponding to the second signal is 200 or more, it is defaulted to be attached in place. Subsequently, the number value is detected once every 100 milliseconds, and if the number value changes, the change rate is converted into a second signal, and the movement speed of the treatment head is judged according to the ADC value corresponding to the second signal. The energy output of the treatment head depends on the movement speed, for example, the shorter the time from one number value to another number value, the faster the movement speed, and the higher the energy output synchronization; on the contrary, if the time is longer, the movement speed is slower, and the energy output synchronization is lower.

[0101] The present application also proposes a treatment head, which comprises: a pressure sensor; a memory for storing a computer program; a processor for running the computer program; and a computer program configured to implement the working parameter control method based on the pressure sensor of any one of the above.

[0102] The treatment head comprises a memory and a processor for storing and implementing the working parameter control method based on the pressure sensor, the specific implementation of which is described above with reference to the above embodiments. Since the memory and the processor of the present application adopt all the technical solutions of the above embodiments, they at least have all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one.

[0103] The present application also proposes a high-frequency output device, which comprises a treatment head and a pressure sensor, and the pressure sensor is arranged in the treatment head, and the treatment head is used to contact the skin.

[0104] In an embodiment, the high-frequency output device further comprises a feedback module, a processing module and a control module, the feedback module is configured to receive and transmit the contact signal output by the pressure sensor; the processing module is electrically connected with the feedback module, and is configured to receive and process the contact signal to generate a corresponding processing signal; the control module is electrically connected with the processing module and the treatment head, and is configured to receive the processing signal and control the working parameters output by the high-frequency output device according to the processing signal and the working parameter control method based on the pressure sensor as mentioned in any one of the above.

[0105] The above merely describes exemplary embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A method of controlling a high frequency output device based on a pressure sensitive sensor, wherein, The high-frequency output device comprises a treatment head for contacting the skin and transmitting high-frequency energy to the skin, and the pressure sensor is arranged on the treatment head, and the method comprises the following steps: In step S10, a contact signal collected by the pressure sensor is acquired, the contact signal being generated when the treatment head contacts the skin; In step S20, the contact condition of the treatment head and the skin is determined according to the contact signal, so as to control the high-frequency output device to output working power and / or working frequency corresponding to the treatment head.

2. The method of claim 1, wherein, The contact signal comprises a first signal and a second signal; The first signal represents the sliding speed information of the treatment head after contacting the skin, and the second signal represents the pressing force information of the treatment head after contacting the skin.

3. The method of claim 2, wherein, The step S20 further comprises: When the value corresponding to the first signal is less than a first preset threshold, it is represented that the treatment head is in static contact with the skin, and the high-frequency output device outputs a first parameter to the treatment head; When the value corresponding to the first signal is greater than the first preset threshold, it is represented that the treatment head is in dynamic contact with the skin, and the high-frequency output device outputs a second parameter to the treatment head.

4. The method of claim 2, wherein, The step S20 further comprises: When the value corresponding to the first signal is greater than the first preset threshold and less than a second preset threshold, it is represented that the treatment head is in contact with the skin at a first sliding speed, and the high-frequency output device outputs a third parameter to the treatment head; When the value corresponding to the first signal is greater than the second preset threshold, it is represented that the treatment head is in contact with the skin at a second sliding speed, and the high-frequency output device outputs a fourth parameter to the treatment head.

5. The method of claim 2, wherein, The step S20 further comprises: When the value corresponding to the first signal is greater than the first preset threshold, and the value continuously changes, the output power of the high-frequency output device continuously changes following the change of the value corresponding to the first signal.

6. The method of claim 2, wherein, The step S20 further comprises: When the value corresponding to the second signal is less than a third preset threshold, it is represented that the treatment head does not effectively contact the skin, and the high-frequency output device outputs a fifth parameter to the treatment head; When the value corresponding to the second signal is greater than the third preset threshold, it is represented that the treatment head is in static contact with the skin, and the high-frequency output device outputs the first parameter to the treatment head.

7. The method of claim 2, wherein, The step S20 further comprises: In S21, it is judged whether the value corresponding to the second signal is less than the third preset threshold, if yes, it is represented that the treatment head does not effectively contact the skin, and the high-frequency output device outputs the fifth parameter to the treatment head, if not, the next step is executed; In S22, it is judged whether the value corresponding to the first signal is less than the first preset threshold, if yes, it is represented that the treatment head is in static contact with the skin, and the high-frequency output device outputs the first parameter to the treatment head, if not, it is represented that the treatment head is in dynamic contact with the skin, and the high-frequency output device outputs the second parameter to the treatment head.

8. The method of claim 7, wherein, After the step S22, the method further comprises: S23, when the second signal corresponding to the value is greater than a third predetermined threshold, and the first signal corresponding to the value is greater than a first predetermined threshold, determine whether the first signal corresponding to the value is less than a second predetermined threshold, if yes, the treatment head with the first sliding speed and skin contact, the high frequency output device to the treatment head output third parameter, if not, the treatment head with the second sliding speed and skin contact, the high frequency output device to the treatment head output fourth parameter; The second predetermined threshold is greater than the first predetermined threshold, and the second sliding speed is greater than the first sliding speed.

9. The method of any one of claims 2 to 8, wherein, The first signal represents the rate of change of the working voltage and / or working current; The second signal represents the amplitude of the working voltage and / or working current.

10. A treatment head, wherein, The treatment head comprises: A pressure sensor; A memory for storing a computer program; A processor for running the computer program; The computer program is configured to implement the method of claim 1 to 9 based on the pressure sensor to control the high frequency output device.

11. A high frequency output device, wherein, The high frequency output device comprises an output module, a feedback module, a control module and a treatment head as claimed in claim 10, the feedback module is used for receiving and transmitting the contact signal output by the pressure sensor of the treatment head; the control module is electrically connected with the feedback module and the treatment head, the control module is used for receiving the contact signal to control the output module to output the working power and / or working frequency of corresponding size to the treatment head.

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