An ultrasonic focusing depth self-adaptive control system

Abstract

The application provides an ultrasonic focusing depth self-adaptive control system, belonging to the field of ultrasonic beauty, which comprises a body, a treatment head, an ultrasonic emission assembly, an ultrasonic detection assembly, a microprocessor and an adjusting assembly; the ultrasonic emission assembly is used for emitting ultrasonic detection signals to target skin; the ultrasonic detection assembly is used for receiving ultrasonic echo signals; the microprocessor is used for segmentally calculating the energy of the ultrasonic echo signals, obtaining an energy change trend curve, determining the adjusting height of the ultrasonic emission assembly and the ultrasonic treatment signal parameters according to the energy change trend curve, and generating height adjusting instructions and ultrasonic emission instructions; the adjusting assembly is used for adjusting the distance between the ultrasonic emission assembly and the target skin according to the height adjusting instructions; and the ultrasonic emission assembly is further used for emitting ultrasonic treatment signals to the target skin according to the ultrasonic emission instructions. The application realizes the automatic adjustment of the ultrasonic focusing depth and can meet the needs of different ultrasonic focuses.

Description

Technical Field

[0001] This invention relates to the field of ultrasonic cosmetology, and in particular to an ultrasonic focusing depth adaptive control system for skin rejuvenation. Background Technology

[0002] Sound waves with frequencies higher than 20 kHz are called ultrasound. Ultrasound has excellent directionality and penetrating power. In medicine, ultrasound can be used for imaging detection, ablation surgery, and cell massage. Ultrasound is also a sound wave, exhibiting characteristics such as reflection, refraction, diffraction, and scattering. However, the wavelength of ultrasound is relatively short, ranging from several centimeters to as low as a few thousandths of a millimeter. The shorter the wavelength, the worse the diffraction characteristics of the sound wave, allowing it to propagate stably in a straight line through a medium. Therefore, ultrasound with shorter wavelengths has a strong straight-line propagation capability.

[0003] The most mature method of using ultrasound in medicine and aesthetic medicine involves using an ultrasound transmitter with a default depth that can be adjusted horizontally. However, this method provides an average level of accuracy, which may not be suitable for every individual. Furthermore, it is separate from the ultrasound probe. In post-detection medical settings, imaging is often based on the ultrasound echoes, and professionals use these images to determine the specific depth of ultrasound treatment and the appropriate equipment. Traditional ultrasound transmitters are relatively fixed and cannot be moved. The focal point of the ultrasound emitted by the ultrasound head is often fixed, requiring the entire transmitter to be replaced when the focal point needs to be changed. Especially in the field of aesthetic ultrasound, the equipment used lacks energy receiving and decoupling devices, and the central processing unit cannot make decisions based on the results, leading to lower efficiency in ultrasound treatment. Summary of the Invention

[0004] The purpose of this invention is to provide an adaptive control system for ultrasonic focusing depth, which can realize the automatic adjustment of ultrasonic focusing depth to meet the needs of different ultrasonic focal points.

[0005] To achieve the above objectives, the present invention provides the following solution:

[0006] An adaptive ultrasound focusing depth control system is provided for cosmetic treatment of target skin. The adaptive ultrasound focusing depth control system includes: a body, a treatment head, an ultrasound emitting component, an ultrasound detection component, a microprocessor, and an adjustment component; the body is fixedly connected to the treatment head; the ultrasound emitting component and the ultrasound detection component are located inside the treatment head; the microprocessor is located inside the body.

[0007] The ultrasonic transmitting component is used to transmit ultrasonic detection signals to the target skin;

[0008] The ultrasonic detection component is used to receive ultrasonic echo signals;

[0009] The microprocessor is connected to the ultrasonic transmitting component and the ultrasonic detection component respectively. The microprocessor is used to calculate the energy of the ultrasonic echo signal in segments to obtain the energy change trend curve, determine the adjustment height of the ultrasonic transmitting component and the ultrasonic treatment signal parameters according to the energy change trend curve, generate a height adjustment command according to the adjustment height, and generate an ultrasonic transmitting command according to the ultrasonic treatment signal parameters.

[0010] The adjustment component is connected to the microprocessor and the ultrasonic emitting component respectively, and the adjustment component is used to adjust the distance between the ultrasonic emitting component and the target skin according to the height adjustment command;

[0011] The ultrasonic transmitting component is also used to transmit ultrasonic therapeutic signals to the target skin according to the ultrasonic transmitting command.

[0012] Optionally, the ultrasonic detection component receives the ultrasonic echo signal after a set time period following the end of the ultrasonic detection signal transmission.

[0013] Optionally, the set time period is t. r = 2h / c; where t r The time period is defined as h, which is the maximum treatment depth of the ultrasound emission component on the target skin, and c is the transmission speed of the ultrasound detection signal in the target skin.

[0014] Optionally, the adjustment assembly includes a threaded adjustment rod and a drive motor;

[0015] The threaded adjustment rod passes through the body and the treatment head, and one end of the threaded adjustment rod located inside the treatment head is fixedly connected to the ultrasonic emission assembly;

[0016] The drive motor is connected to the microprocessor and the threaded adjustment rod respectively; the drive motor is used to adjust the length of the threaded adjustment rod in the treatment head according to the height adjustment command, so as to adjust the distance between the ultrasonic emitting component and the target skin.

[0017] Optionally, the microprocessor includes:

[0018] An energy calculation module, connected to the ultrasonic detection component, is used to calculate the energy of the ultrasonic echo signal in segments and obtain an energy change trend curve.

[0019] The height calculation module is connected to the energy calculation module and the adjustment component respectively, and is used to calculate the physical depth of the target point and the adjustment height of the ultrasonic transmitting component according to the energy change trend curve, and generate a height adjustment command according to the adjustment height;

[0020] An ultrasound parameter calculation module is connected to the energy calculation module, the height calculation module, and the ultrasound emission component, respectively. It is used to calculate ultrasound treatment signal parameters based on the energy change trend curve and the physical depth of the target point, and to generate ultrasound emission commands based on the ultrasound treatment signal parameters.

[0021] Optionally, the energy change trend curve is:

[0022]

[0023] Where E(a) is the energy value of the starting sampling point of the ultrasonic echo signal in segment a, 1≤a≤A-τ, A is the total sampling length of the ultrasonic echo signal, τ is the sampling length of the ultrasonic echo signal segment, and x r This is an ultrasonic echo signal.

[0024] Optionally, the height calculation module includes:

[0025] The derivative submodule, connected to the energy calculation module, is used to calculate the derivative of the energy change trend curve to obtain the energy change derivative curve;

[0026] The target sampling point determination submodule, connected to the derivative calculation submodule, is used to determine the target sampling point based on the energy change derivative curve; the target sampling point is the sampling point with the largest energy value of 0 and the largest index in the energy change derivative curve;

[0027] The depth calculation submodule, connected to the target sampling point determination submodule, is used to calculate the physical depth of the target point based on the location of the target sampling point and the sampling frequency of the ultrasonic echo signal.

[0028] The height calculation submodule is connected to both the depth calculation submodule and the adjustment component. It is used to calculate the adjustment height of the ultrasonic transmitting component based on the physical depth of the target point, and to generate a height adjustment command based on the adjustment height.

[0029] Optionally, the depth calculation submodule calculates the physical depth of the target point using the following formula:

[0030]

[0031] Among them, s target Let n be the physical depth of the target point, n be the location of the target sampling point, and f be the physical depth of the target point. s τ is the sampling frequency of the ultrasound echo signal, τ is the sampling length of the ultrasound echo signal segment, and c is the transmission speed of the ultrasound detection signal in the target skin.

[0032] Optionally, the ultrasound therapy signal parameters include intensity and duration;

[0033] The ultrasound parameter calculation module includes:

[0034] The fitting submodule, connected to the energy calculation module, is used to perform linear fitting on the energy change trend curve to obtain a fitted straight line.

[0035] An intensity calculation submodule, connected to the fitting submodule, is used to calculate the intensity of the ultrasound therapy signal based on the fitted straight line;

[0036] The time calculation submodule, connected to the height calculation module, is used to calculate the duration of the ultrasound treatment signal based on the physical depth of the target point;

[0037] The instruction generation submodule is connected to the intensity calculation submodule, the time calculation submodule, and the ultrasound emission component, respectively, and is used to generate ultrasound emission instructions based on the intensity and duration of the ultrasound therapy signal.

[0038] Optionally, the ultrasound treatment signal is:

[0039]

[0040] Where, x c For ultrasound therapy signals, log 20 (-m) represents the intensity of the ultrasound therapy signal, m represents the slope of the fitted straight line, and μ represents the frequency of the ultrasound therapy signal. The initial phase of the ultrasound therapy signal, t c t represents the duration of the ultrasound therapy signal. c =8.2×log 10 (s target +1), s target The physical depth of the target point.

[0041] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0042] This invention uses an ultrasonic transmitting component to emit ultrasonic detection signals towards the target skin. The ultrasonic detection component receives the ultrasonic echo signals, and a microprocessor calculates the energy of the ultrasonic echo signals in segments to obtain an energy change trend curve. Based on the energy change trend curve, the adjustment height of the ultrasonic transmitting component and the ultrasonic treatment signal parameters are determined. A height adjustment command is generated based on the adjustment height, and an ultrasonic transmission command is generated based on the ultrasonic treatment signal parameters. The adjustment component adjusts the distance between the ultrasonic transmitting component and the target skin according to the height adjustment command, and the ultrasonic transmitting component emits ultrasonic treatment signals towards the target skin according to the ultrasonic transmission command. The microprocessor-controlled adjustment component can continuously change the depth of ultrasonic action, realizing automatic adjustment of the ultrasonic focusing depth, making the ultrasonic focusing depth adaptable to the current skin condition. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1 This is a block diagram of the ultrasonic focusing depth adaptive control system.

[0045] Figure 2 This is a schematic diagram of ultrasonic detection signals and ultrasonic echo signals;

[0046] Figure 3 This is a schematic diagram of the ultrasonic focusing depth adaptive control system.

[0047] Figure 4 This is the first schematic diagram illustrating the correlation between ultrasound and depth.

[0048] Figure 5 This is a second schematic diagram illustrating the correlation between ultrasound and depth;

[0049] Figure 6 This is the third schematic diagram illustrating the correlation between ultrasound and depth;

[0050] Figure 7 This is a schematic diagram illustrating the operation of an ultrasonic focusing depth adaptive control system.

[0051] Symbol explanation:

[0052] Ultrasonic emission component-1, ultrasonic detection component-2, microprocessor-3, adjustment component-4, body-5, treatment head-6, ultrasonic detection signal-7, ultrasonic echo signal-8, threaded adjustment rod-9, drive motor-10, ultrasonic excitation time adjustment device-11, contact surface-12, effective treatment and detection range-13. Detailed Implementation

[0053] 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.

[0054] The purpose of this invention is to provide an ultrasonic focused depth adaptive control system for cosmetic treatment of target skin. Based on the physical characteristics of ultrasound, combined with ultrasonic wave transmission and reception, and an adjustable component that can be changed in the vertical direction, it solves the problems of frequent switching of ultrasound equipment, high cost of supporting ultrasound equipment, and unsuitability for carrying when using ultrasound technology for treatment or surgery.

[0055] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0056] like Figures 1-3 As shown, this invention provides an ultrasonic focused depth adaptive control system for cosmetic treatment of target skin, comprising: a body 5, a treatment head 6, an ultrasonic emitting component 1, an ultrasonic detection component 2, a microprocessor 3, and an adjustment component 4. The treatment head 6 is filled with a "matching ultrasonic coupling component." The "matching ultrasonic coupling component" refers to a liquid medium used to transmit ultrasonic energy with limited loss. This medium typically needs to fill the entire cavity containing the ultrasonic emitting component 1. Since the head of the ultrasonic emitting component 1 is not a smooth, flat surface, it cannot fully contact the skin, and the loss of ultrasonic energy in the air is generally unacceptable. Therefore, a smooth contact surface and a liquid filling the surface are required to ensure the transmission of the required energy with limited loss. The treatment head contacts the target skin through the contact surface 12.

[0057] The body 5 is fixedly connected to the treatment head 6. The ultrasound emitting component 1 and the ultrasound detection component 2 are located inside the treatment head 6. The microprocessor 3 is located inside the body 5.

[0058] The ultrasonic transmitting component 1 is used to transmit ultrasonic detection signals 7 to the target skin.

[0059] The ultrasonic detection component 2 is used to receive the ultrasonic echo signal 8. Specifically, the ultrasonic detection component 2 receives the ultrasonic echo signal 8 after a set time period following the end of the transmission of the ultrasonic detection signal 7. The set time period is t. r = 2h / c; where t r For the set time period, h is the maximum treatment depth of the ultrasound emission component 1 on the target skin, and c is the transmission speed of the ultrasound detection signal 7 in the target skin.

[0060] The microprocessor 3 is connected to the ultrasonic transmitting component 1 and the ultrasonic detection component 2 respectively. The microprocessor 3 is used to calculate the energy of the ultrasonic echo signal 8 in segments to obtain the energy change trend curve. Based on the energy change trend curve, the microprocessor 3 determines the adjustment height of the ultrasonic transmitting component 1 and the ultrasonic treatment signal parameters, generates a height adjustment command based on the adjustment height, and generates an ultrasonic transmitting command based on the ultrasonic treatment signal parameters.

[0061] Specifically, the microprocessor 3 includes: an energy calculation module, an altitude calculation module, and an ultrasonic parameter calculation module.

[0062] The energy calculation module is connected to the ultrasonic detection component 2. The energy calculation module is used to calculate the energy of the ultrasonic echo signal 8 in segments to obtain the energy change trend curve: Where E(a) is the energy value of the starting sampling point of the ultrasonic echo signal in segment a, 1≤a≤A-τ, A is the total sampling length of the ultrasonic echo signal, τ is the sampling length of the ultrasonic echo signal segment, and x r This is an ultrasonic echo signal.

[0063] The height calculation module is connected to the energy calculation module and the adjustment component 4 respectively. The height calculation module is used to calculate the physical depth of the target point and the adjustment height of the ultrasonic emission component 1 according to the energy change trend curve, and generate a height adjustment command according to the adjustment height.

[0064] Furthermore, the height calculation module includes: a differentiation submodule, a target sampling point determination submodule, a depth calculation submodule, and a height calculation submodule.

[0065] The derivative submodule is connected to the energy calculation module and is used to calculate the derivative of the energy change trend curve to obtain the energy change derivative curve.

[0066] The target sampling point determination submodule is connected to the derivative calculation submodule. This submodule is used to determine the target sampling point based on the energy change derivative curve. The target sampling point is the sampling point with the largest energy value (0) and sequence number in the energy change derivative curve.

[0067] The depth calculation submodule is connected to the target sampling point determination submodule. The depth calculation submodule is used to calculate the physical depth of the target point based on the location of the target sampling point and the sampling frequency of the ultrasonic echo signal 8. Among them, s target Let n be the physical depth of the target point, n be the location of the target sampling point, and f be the physical depth of the target point. s τ is the sampling frequency of the ultrasound echo signal, τ is the sampling length of the ultrasound echo signal segment, and c is the transmission speed of the ultrasound detection signal in the target skin.

[0068] The height calculation submodule is connected to the depth calculation submodule and the adjustment component 4 respectively. The height calculation submodule is used to calculate the adjustment height of the ultrasonic transmitting component 1 according to the physical depth of the target point, and generate a height adjustment command according to the adjustment height.

[0069] The ultrasound parameter calculation module is connected to the energy calculation module, the height calculation module, and the ultrasound emission component 1, respectively. The ultrasound parameter calculation module calculates ultrasound therapy signal parameters based on the energy change trend curve and the physical depth of the target point, and generates an ultrasound emission command based on the ultrasound therapy signal parameters. The ultrasound therapy signal parameters include intensity and duration.

[0070] Furthermore, the ultrasound parameter calculation module includes: a fitting submodule, an intensity calculation submodule, a time calculation submodule, and an instruction generation submodule.

[0071] The fitting submodule is connected to the energy calculation module and is used to perform linear fitting on the energy change trend curve to obtain a fitted straight line.

[0072] The intensity calculation submodule is connected to the fitting submodule, and the intensity calculation submodule is used to calculate the intensity of the ultrasound therapy signal based on the fitted straight line.

[0073] The time calculation submodule is connected to the height calculation module, and the time calculation submodule is used to calculate the duration of the ultrasound treatment signal based on the physical depth of the target point.

[0074] The instruction generation submodule is connected to the intensity calculation submodule, the time calculation submodule and the ultrasound transmission component 1 respectively. The instruction generation submodule is used to generate ultrasound transmission instructions based on the intensity and duration of the ultrasound therapy signal.

[0075] The adjustment component 4 is connected to both the microprocessor 3 and the ultrasonic emitting component 1. The adjustment component 4 is used to adjust the distance between the ultrasonic emitting component 1 and the target skin according to the height adjustment command. That is, the adjustment component 4 controls the ultrasonic emitting component 1 to move in the vertical direction.

[0076] In one specific implementation, the adjustment assembly 4 includes a threaded adjustment rod 9 and a drive motor 10. The threaded adjustment rod 9 passes through the body 5 and the treatment head 6, and one end of the threaded adjustment rod 9 located inside the treatment head 6 is fixedly connected to the ultrasonic emission assembly 1.

[0077] The drive motor 10 is connected to both the microprocessor 3 and the threaded adjustment rod 9. The drive motor 10 adjusts the length of the threaded adjustment rod 9 within the treatment head 6 according to the height adjustment command, thereby adjusting the distance between the ultrasonic emitting component 1 and the target skin. The drive motor 10 is located on one side wall of the body 5 and drives the threaded adjustment rod 9 via gears to move the ultrasonic emitting component 1 and the detection component located within the cavity of the treatment head 6 within a defined range.

[0078] The effective treatment and detection range of the ultrasonic focusing depth adaptive control system of the present invention is adjusted by adjusting the distance between the ultrasonic emission component and the target skin.

[0079] Specifically, the body 5 and the treatment head 6 are two independent cavities. The surfaces of the two cavities that meet have a hole at the same location. The threaded adjusting rod 9 can pass through this hole but cannot fully enter either cavity. The threaded adjusting rod 9 has small holes inside to allow power lines to pass through, connecting the ultrasonic excitation time adjustment device 11 and microprocessor 3 located inside the body 5 to the ultrasonic emission assembly 1 and detection assembly located inside the treatment head 6. The detection assembly is fixed in the center inside the ultrasonic emission assembly 1, which can be fixed simultaneously with a single screw, also serving a limiting function. Preferably, a limiting block is provided at the top of one side of the threaded adjusting rod 9 on the body 5. The limiting block is fixed with a screw and has a limiting function.

[0080] The ultrasonic transmitting component 1 is also used to transmit ultrasonic therapeutic signals to the target skin according to the ultrasonic transmitting command: Where, x c For ultrasound therapy signals, log 20 (-m) represents the intensity of the ultrasound therapy signal, m represents the slope of the fitted straight line, and μ represents the frequency of the ultrasound therapy signal. The initial phase of the ultrasound therapy signal, t c t represents the duration of the ultrasound therapy signal. c =8.2×log 10 (s target +1), s target The physical depth of the target point.

[0081] As one specific implementation, the ultrasound focused depth adaptive control system also includes a housing. Both the main body and the treatment head are located inside the housing. The housing is molded horizontally, and the mold is closed along the horizontal line. The housing is supplemented with adhesive and adhesive strips for waterproofing at the treatment head molded section (assembly methods include, but are not limited to, this method). The housing is secured using clips, screws, and adhesive. Figures 4-6 The diagram shows the relationship between ultrasound and depth in three modes. The depth control component in the diagram is the adjustment component.

[0082] To better understand the solution of the present invention, such as Figure 7 As shown below, the usage steps of the ultrasonic focused depth adaptive control system will be further explained in conjunction with the following description.

[0083] Step 1: The microprocessor controls the ultrasound transmitting component to start working, emitting an ultra-high frequency ultrasound detection signal x onto the target skin. t The frequency of the ultrasonic detection signal is greater than or equal to 30MHz.

[0084] Step 2: Start timing from the end of the ultrasonic detection signal transmission, and after a set time period t r Then, the ultrasonic echo signal x was received. r , where t r = 2h / c, where h is the maximum treatment depth of the ultrasound transmitting component on the target skin, with an initial value of h0 of 12mm, and c is the transmission speed of the ultrasound detection signal in the target skin, with an initial value of c0 of 1500m / s. The maximum treatment depth h and the ultrasound transmission speed c can be adjusted according to the subject's age y and the skin moisture content r detected by the skin detection instrument. Based on the results of multiple experiments, a linear fitting was performed to obtain the adjustment formula: h = h0 - 0.031 × (y - 18), c = c0 + 20 × (1 - r).

[0085] Step 3: The microprocessor calculates the received ultrasonic echo signal x in segments sequentially. r The energy is used to obtain the energy change trend curve: Where τ is the sampling length of the ultrasonic echo signal segment, and a is the starting sampling point number of the current ultrasonic echo signal segment.

[0086] Step 4: Calculate the derivative of the energy change trend curve, find the sampling point with the largest value of 0 in the energy change derivative curve, and calculate the physical depth s of the target point based on the sampling position n of that sampling point. target .

[0087] Step 5: Based on the physical depth s of the target point target Calculate the height k that the ultrasonic transmitting component needs to be adjusted. a =K-s target , where k a K represents the adjustment height of the ultrasonic transmitting component, and K represents the length of the threaded adjustment rod.

[0088] Step 6: Use the drive motor to move the threaded adjusting rod upwards to adjust and maintain the ultrasonic transmitting component, where the adjustment height is k. a .

[0089] Step 7: Perform linear fitting on the energy change trend curve to obtain the fitted straight line: E p =ma + w, where m is the slope of the fitted line and w is the intercept of the fitted line.

[0090] Step 8: For the ultrasound emitting component whose height has been adjusted in Step 6, the microprocessor calculates the emitted ultra-high frequency ultrasound therapeutic signal x. c : Where μ represents the ultra-high frequency ultrasound therapy signal x c The frequency is greater than or equal to 30MHz. For ultra-high frequency ultrasound therapy signal x c The initial phase, log20 (-m) represents the ultra-high frequency ultrasound therapy signal x c Intensity: The larger the m value, the more collagen content in the skin, and the weaker the intensity of the treatment signal used; conversely, the smaller the m value, the less collagen content in the skin, and the stronger the intensity of the treatment signal used. c For ultrasound therapy signal x c The duration, which depends on the physical depth s of the target point. target To calculate the value: t c =8.2×log 10 (s target +1), Physical depth of target point s target The larger the value, the longer the duration tc of the ultra-high frequency ultrasound treatment signal, and the longer the physical depth s of the target point. target The smaller the value, the longer the duration t of the ultra-high frequency ultrasound therapy signal. c The shorter.

[0091] Step 9: If the treatment is not completed, return to step 1; if the treatment is completed, the process ends.

[0092] This invention utilizes an adjustable component with vertical travel relative to the ultrasonic action plane. Based on the detected ultrasonic echo signal and microprocessor control, and according to different data obtained from the detection component, the microprocessor controls the adjustable component to continuously change the depth of ultrasonic action, achieving automated adjustment of the ultrasonic focusing depth. This invention integrates detection and treatment, with the treatment range fully covering the detection depth range. It achieves a high degree of functional integration, thereby saving costs. The adjustable component has a simple principle, high reliability, high system integration, and is portable, meeting home use requirements.

[0093] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the system and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. An ultrasound focused depth adaptive control system for cosmetic treatment of target skin, characterized in that, The ultrasonic focusing depth adaptive control system includes: a body, a treatment head, an ultrasonic emitting component, an ultrasonic detection component, a microprocessor, and an adjustment component; the body is fixedly connected to the treatment head; the ultrasonic emitting component and the ultrasonic detection component are located inside the treatment head; the microprocessor is located inside the body. The ultrasonic transmitting component is used to transmit ultrasonic detection signals to the target skin; The ultrasonic detection component is used to receive ultrasonic echo signals; The microprocessor is connected to the ultrasonic transmitting component and the ultrasonic detection component respectively. The microprocessor is used to calculate the energy of the ultrasonic echo signal in segments to obtain the energy change trend curve, determine the adjustment height of the ultrasonic transmitting component and the ultrasonic treatment signal parameters according to the energy change trend curve, generate a height adjustment command according to the adjustment height, and generate an ultrasonic transmitting command according to the ultrasonic treatment signal parameters. The adjustment component is connected to the microprocessor and the ultrasonic emitting component respectively, and the adjustment component is used to adjust the distance between the ultrasonic emitting component and the target skin according to the height adjustment command; The ultrasonic transmitting component is also used to transmit ultrasonic therapeutic signals to the target skin according to the ultrasonic transmitting command. The microprocessor includes: An energy calculation module, connected to the ultrasonic detection component, is used to calculate the energy of the ultrasonic echo signal in segments and obtain an energy change trend curve. A height calculation module, connected to both the energy calculation module and the adjustment component, is used to calculate the physical depth of the target point and the adjustment height of the ultrasonic transmitting component based on the energy change trend curve, and to generate a height adjustment command based on the adjustment height. The height calculation module includes: a derivative submodule, connected to the energy calculation module, used to calculate the derivative of the energy change trend curve to obtain an energy change derivative curve; a target sampling point determination submodule, connected to the derivative submodule, used to determine the target sampling point based on the energy change derivative curve; the target sampling point is the sampling point with the largest energy value (0) and sequence number in the energy change derivative curve; a depth calculation submodule, connected to the target sampling point determination submodule, used to calculate the physical depth of the target point based on the position of the target sampling point and the sampling frequency of the ultrasonic echo signal; and a height calculation submodule, connected to both the depth calculation submodule and the adjustment component, used to calculate the adjustment height of the ultrasonic transmitting component based on the physical depth of the target point, and to generate a height adjustment command based on the adjustment height. An ultrasound parameter calculation module is connected to the energy calculation module, the height calculation module, and the ultrasound emission component, respectively. It is used to calculate ultrasound treatment signal parameters based on the energy change trend curve and the physical depth of the target point, and to generate ultrasound emission commands based on the ultrasound treatment signal parameters.

2. The ultrasonic focusing depth adaptive control system according to claim 1, characterized in that, The ultrasonic detection component receives the ultrasonic echo signal after a set time period following the end of the ultrasonic detection signal transmission.

3. The ultrasonic focusing depth adaptive control system according to claim 2, characterized in that, The set time period is t r =2 h / c ;in, t r To set a time period, h This represents the maximum treatment depth of the ultrasound emission component on the target skin. c This refers to the transmission speed of the ultrasound detection signal in the target skin.

4. The ultrasonic focusing depth adaptive control system according to claim 1, characterized in that, The adjustment assembly includes a threaded adjustment rod and a drive motor; The threaded adjustment rod passes through the body and the treatment head, and one end of the threaded adjustment rod located inside the treatment head is fixedly connected to the ultrasonic emission assembly; The drive motor is connected to the microprocessor and the threaded adjustment rod respectively; the drive motor is used to adjust the length of the threaded adjustment rod in the treatment head according to the height adjustment command, so as to adjust the distance between the ultrasonic emitting component and the target skin.

5. The ultrasonic focusing depth adaptive control system according to claim 1, characterized in that, The ultrasound therapy signal parameters include intensity and duration; The ultrasound parameter calculation module includes: The fitting submodule, connected to the energy calculation module, is used to perform linear fitting on the energy change trend curve to obtain a fitted straight line. An intensity calculation submodule, connected to the fitting submodule, is used to calculate the intensity of the ultrasound therapy signal based on the fitted straight line; The time calculation submodule, connected to the height calculation module, is used to calculate the duration of the ultrasound treatment signal based on the physical depth of the target point; The instruction generation submodule is connected to the intensity calculation submodule, the time calculation submodule, and the ultrasound emission component, respectively, and is used to generate ultrasound emission instructions based on the intensity and duration of the ultrasound therapy signal.

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