CN211325568U - Laser hair removal device based on focused ultrasound - Google Patents

Abstract

The utility model discloses a laser device that moults based on focused ultrasound, the device includes: host computer casing, power supply module, control subassembly, touch-sensitive subassembly, temperature sensor, control chip, laser emitter, focus supersound emission subassembly, display module and radiator unit. The laser emitter is used for generating laser, and the focused ultrasonic emitting assembly is used for generating ultrasonic waves, so that the laser and the ultrasonic waves are cooperatively matched, and a good unhairing effect without pain is achieved; the touch sensing information is acquired through the touch sensing assembly, and the device is started to work only when the touch sensing information meets the conditions, so that the use safety can be improved, and a good use effect is obtained in the practical application process.

Description

Laser hair removal device based on focused ultrasound

technical field

The utility model relates to the technical field of medical beauty equipment, in particular to a laser hair removal device based on focused ultrasound.

Background technique

Since the reform and opening up, my country's various undertakings have developed rapidly, people's living standards have been greatly improved, and people's requirements for the quality of life have become higher and higher. All kinds of people pay more and more attention to appearance, especially when wearing short In the summer of shorts and sleeves, excessive hair is a problem that plagues the personal image of some men and women, so how to quickly and thoroughly remove hair is a logical solution to this problem.

At present, the traditional hair removal methods: shaving, plucking with tape, waxing, electrolytic hair removal and ointment hair removal, the results are not ideal, and some methods are even counterproductive, making the hair grow thicker and thicker. Due to the development of lasers, its applications in beauty are more and more mature, and laser hair removal has achieved good results in practical applications. The selective photothermal effect with biological tissue is the principle of laser hair removal. The laser emits a laser with a wavelength in the band where the melanin color of the hair follicle is more sensitive, and irradiates the skin area that needs to be depilated. The irradiated target cells are the melanin of the hair follicle. After a specific time of irradiation, the hair follicle absorbs the laser energy and is broken down, so that the hair follicle is destroyed, and the hair will fall off on its own. Therefore, a safe and effective hair removal effect is achieved without recurrence.

Existing home laser hair removal devices use laser irradiation for hair removal, and the irradiation source is only a single laser, so the laser energy used is high, and the user will feel a strong tingling sensation during the hair removal process, which will also increase damage. Risk to the skin, less safe to use. In addition, for safety reasons, the energy range set by the laser cannot be too high, so the treatment effect is not ideal. Therefore, the depilation device in the prior art method has the problem of high safety risk in use.

Utility model content

In view of the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a laser hair removal device based on focused ultrasound, which aims to solve the problem of high safety risk in use of the existing hair removal device.

The utility model is to realize the above-mentioned purpose, and the concrete technical scheme is as follows:

A laser hair removal device based on focused ultrasound, wherein the device includes: a host casing, a power supply component, a control component, a touch sensing component, a temperature sensor, a control chip, a laser transmitter, a focused ultrasound emitting component, a display component, and a heat sink components; of which,

The host shell includes a cavity and a launch cavity disposed at the bottom of the host shell and communicated with the cavity;

The power supply assembly is arranged in the cavity, and is used to provide the device with DC power with constant voltage and constant current;

The heat dissipation component is arranged in the cavity and is used for cooling the cavity;

The manipulation component is disposed on the host casing, and is used for the user to operate to generate an operation control signal to control the working state of the device;

The display assembly is arranged on the mainframe casing, and is used for visual display of the working state of the device;

The touch sensing component is disposed on the host casing and on the same side as the emission cavity, and is used to sense whether the device is in contact with the user's skin to obtain touch sensing information and feed it back to the control chip ;

The laser transmitter is arranged in the cavity and communicated with the emission cavity, and is used to generate laser light with a rated wavelength and a rated pulse width and emit through the emission cavity;

The temperature sensor is arranged on the outer wall of the laser transmitter, and is used for real-time detection of the temperature of the laser transmitter to obtain temperature information and feed it back to the control chip;

The focused ultrasonic emitting component is arranged on the inner sidewall of the emitting cavity, and is used to generate ultrasonic waves of a rated frequency and focus and then emit along the emitting cavity;

The control chip is arranged in the cavity, and is used to control the touch sensing component, the temperature sensor, the laser transmitter and the focused ultrasound emitting component according to the operation control signal to control the The working state of the device.

The laser hair removal device based on focused ultrasound, further comprising a skin color detection component;

The skin color detection component is disposed on the host casing and on the same side as the emission cavity, and is used to detect the skin color of the user's skin to obtain skin color detection information and feed it back to the control chip.

In the laser hair removal device based on focused ultrasound, the power supply component includes a power jack and a voltage-reducing and current-stabilizing circuit; wherein,

the power jack is used for connecting power lines;

The step-down and current-stabilizing circuit is used for converting the voltage input by the power jack to output a DC power with a voltage-stabilizing and stable current.

The laser hair removal device based on focused ultrasound, wherein the heat dissipation component includes a heat dissipation fan disposed above the laser emitter and a plurality of heat dissipation fans disposed on the inner wall of the cavity and perpendicular to the inner wall of the cavity. a heat sink.

In the laser hair removal device based on focused ultrasound, the cooling fins are arranged vertically.

In the laser hair removal device based on focused ultrasound, the display component includes at least four LED lights.

In the laser hair removal device based on focused ultrasound, the display component is an LED liquid crystal display.

In the laser hair removal device based on focused ultrasound, the control component is a micro switch button.

In the laser hair removal device based on focused ultrasound, the control chip is an STM32 chip.

The laser hair removal device based on focused ultrasound of the present utility model comprises: a host casing, a power supply assembly, a control assembly, a touch sensing assembly, a temperature sensor, a control chip, a laser transmitter, a focused ultrasound emission assembly, a display assembly and a heat sink components. The laser is generated by the laser transmitter, and the ultrasonic wave is generated by the focused ultrasonic transmitting component, so that the laser and the ultrasonic wave can cooperate with each other to achieve a safe and painless hair removal effect; the touch-sensing information is obtained by the touch-sensing component, only when the touch-sensing information meets the conditions. , the device is started to work, which can increase the safety of use, and has achieved good use results in the actual application process.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a structural diagram of a laser hair removal device based on focused ultrasound of the present invention.

FIG. 2 is a partial structural diagram of the laser hair removal device based on focused ultrasound of the present invention.

3 is a partial structural diagram of the laser hair removal device based on focused ultrasound of the present invention.

4 is a schematic diagram of the circuit structure of the laser hair removal device based on focused ultrasound of the present invention.

FIG. 5 is a schematic flowchart of the control method of the laser hair removal device based on focused ultrasound according to the present invention.

host shell 10 Power components 1 control components 2 Skin color detection component 3 touch sensing components 4 Temperature Sensor 5 control chip 11 laser transmitter 6 Focused Ultrasound Transmitter Components 7 display components 9 Cooling components 8 cooling fan 81 heat sink 82 The first LED light 91 Second LED light 92 Third LED light 93 Fourth LED light 94 cavity 101 launch cavity 102 power jack 12

Detailed ways

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

It is to be understood that, when used in this specification and the appended claims, the terms "comprising" and "comprising" indicate the presence of the described features, integers, steps, operations, elements and/or components, but do not exclude one or The presence or addition of a number of other features, integers, steps, operations, elements, components, and/or sets thereof.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention may be practiced. The directional terms mentioned in this utility model, such as "up", "down", "front", "rear", "left", "right", "inside", "outside", "side", etc., are only See attached drawings for directions. Therefore, the directional terms used are used to describe and understand the present invention, rather than to limit the present invention.

The present utility model provides a laser hair removal device based on focused ultrasound. In order to make the purpose, technical scheme and effect of the present utility model clearer and clearer, the present utility model is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Please refer to FIGS. 1-4, FIG. 1 is a structural diagram of a laser hair removal device based on focused ultrasound of the present invention; FIG. 2 is a partial structural diagram of a laser hair removal device based on focused ultrasound of the present invention; A partial structure diagram of the new laser hair removal device based on focused ultrasound; FIG. 4 is a schematic diagram of the circuit structure of the laser hair removal device based on focused ultrasound of the present invention. As shown in the figure, an embodiment of the present utility model provides a laser hair removal device based on focused ultrasound, wherein the device includes: a main body casing 10 , a power supply component 1 , a control component 2 , a skin color detection component 3 , and a touch sensing component 4 , a temperature sensor 5 , a control chip 11 , a laser transmitter 6 , a focused ultrasound emitting component 7 , a display component 9 and a heat dissipation component 8 .

The host shell 10 includes a cavity 101 and a launch cavity 102 disposed at the bottom of the host shell 10 and communicated with the cavity 101. The host shell 101 is used to install the power supply assembly 1, all the The control component, the touch sensing component 4, the temperature sensor 5, the control chip 11, the laser transmitter 6, the focused ultrasound emitting component 7, the display component 9 and the heat dissipation component 8 .

The power supply assembly 1 is arranged in the cavity 101 and is used to provide the device with a constant-voltage and constant-current direct current. Wherein, the power supply assembly 1 includes a power jack 12 and a step-down current-stabilizing circuit; the power jack 12 is used for connecting a power line; the step-down current-stabilizing circuit is used for the input of the power jack The voltage is converted to output a regulated DC current. Specifically, the step-down and current-stabilizing circuit may be a Buck circuit, and its basic feature is a DC-DC conversion circuit, which is used to convert the input alternating current into a voltage-stabilizing and current-stabilizing direct current for output, and the output voltage is lower than the input voltage.

The control assembly 2 is disposed on the host casing 10 and is used for the user to operate to generate an operation control signal to control the working state of the device. Specifically, the control component can be a micro switch button, a knob or a touch button, and the user can press the control component to control the start-stop and working position of the device, that is, the control component can be used to control all the laser emitters. The power of the generated laser is adjusted, and the power of the ultrasonic waves generated by the focused ultrasonic emitting assembly is adjusted through the manipulation assembly. Taking the micro-switch button as an example, after the power is turned on, press the micro-switch button for the first time, and the micro-switch button obtains the operation control signal to turn on the device, and presses the micro-switch button for the second time to obtain the first gear. Press the micro switch button for the third time to obtain the operation control signal of the second gear position, press the micro switch button for the fourth time to obtain the operation control signal of the fourth gear position, press the fifth time Then, the micro-switch button obtains the operation control signal of the closing device, and it circulates in turn.

The skin color detection component 3 is arranged on the host casing and is on the same side as the emission cavity, and is used to detect the skin color of the user's skin to obtain skin color detection information and feed it back to the control chip 11. Specifically, the skin color detection component can be a TCS34725 color recognition sensor, and the skin color detection component can obtain RGB information of the user's skin as skin color detection information. If a user with dark skin uses the device, it may increase the risk of damage to the user's skin. Therefore, a skin color detection component can be added. When the user's skin color detection information does not meet the requirements, the user is prohibited from using the device.

The touch-sensing component 4 is disposed on the host casing and on the same side as the emission cavity, and is used to sense whether the device is in contact with the user's skin to obtain touch-sensing information and feed it back to the control Chip 11. Specifically, the touch sensing component includes a capacitive touch sensor and a touch control circuit. The capacitive touch sensor can be made of a flexible printed circuit (FPC) material, and the touch control circuit can use a SGL8022K two-channel touch control chip. When the user's skin touches the capacitive touch sensor in the touch sensing component, parasitic capacitance will be generated in the area that touches the skin. The touch control circuit can judge the size of the parasitic capacitance to obtain the judgment result of whether it is in contact with the skin, and use the judgment result as Touch sensitive information. In order to further increase the security of the device, the touch sensing information of whether the user's skin contacts the touch sensing component can be obtained through the touch sensing component, and the device can be used only when the user's skin contacts the touch sensing component.

The laser transmitter 6 is disposed in the cavity 101 and communicated with the emission cavity 102 , and is used to generate laser light with a rated wavelength and a rated pulse width and emit through the emission cavity 102 . The rated wavelength of the laser generated by the laser transmitter is 790-830nm, the rated pulse width of the laser is 20-40msec, and the optimal wavelength of the laser is 810nm, which can achieve better hair removal effect while reducing skin damage. risk and improve the user's comfort during use. Specifically, the laser transmitter includes a semiconductor laser emitting unit and a laser driving circuit, and the laser driving circuit is used to drive the semiconductor laser emitting unit to work to generate laser light. The laser transmitter can irradiate the generated laser light to the area to be depilated on the user's skin, so as to irradiate the cysts in the area to be depilated by the laser with a rated wavelength and a rated pulse width, so as to achieve a good hair removal effect.

The emitting cavity 102 is a cavity for outputting laser light and ultrasonic waves. The emitting cavity is a concave hole at the bottom of the host shell, and the top of the concave hole is communicated with the interior of the cavity.

The temperature sensor 5 is disposed on the outer wall of the laser transmitter, and is used for real-time detection of the temperature of the laser transmitter to obtain temperature information and feed it back to the control chip 11 . The temperature sensor can use DS18B20 temperature sensor.

The focused ultrasound emitting component 7 is disposed on the inner sidewall of the emitting cavity 102 , and is used for generating ultrasonic waves, which are focused and then emitted along the emitting cavity 102 . The rated frequency of the ultrasonic waves generated by the focused ultrasonic emitting component is 2-4 MHz. Specifically, the focused ultrasound transmitting component includes a focused ultrasound transducer and an ultrasound drive circuit. The ultrasound drive circuit is used to drive the focused ultrasound transducer to work to generate ultrasound. The focused ultrasound transducer is a concave self-focusing ultrasound transducer, and the focused ultrasound The laser light generated by the transducer is emitted from the through hole opened at the bottom of the focused ultrasonic transducer, and the focused ultrasonic transducer can be manufactured by using a positive temperature coefficient thermistor (Positive Temperature Coefficient, PTC). The generated ultrasonic waves are focused and emitted to the area to be depilated on the user's skin, and the cysts in the area to be depilated are irradiated by ultrasonic waves of a rated frequency, so as to cooperate with the laser to achieve a good hair removal effect, safe and painless, extremely Greatly reduces the safety risk during use.

The display assembly 9 is disposed on the main body casing, and is used to visually display the working state of the device. Specifically, the display assembly 9 can be set to at least four LED lights, namely the first LED light 91, the second LED light 92, the third LED light 93 and the fourth LED light 94 in FIG. Component 9 is provided as an LED liquid crystal display. Among them, the first LED light 91 is used to display the prompt information of whether the device is turned on, the second LED light 92, the third LED light 93 and the fourth LED light 94 do not light up at the same time, and the second LED light 92 lights up to indicate that at this time The working gear of the device is 1st gear, the third LED light 93 lights up to indicate that the device's working gear is 2nd gear at this time, and the fourth LED light 94 is lit up to indicate that the device's working gear is 3rd gear at this time.

The heat dissipation component 8 is disposed in the cavity 101 for cooling the cavity. The heat dissipation assembly includes a heat dissipation fan 81 disposed above the laser emitter 6 and a plurality of heat dissipation fins disposed on the inner wall of the cavity and perpendicular to the inner wall of the cavity. When the temperature information sensed by the temperature sensor exceeds the preset temperature threshold, the cooling fan can be controlled by the control chip to start working, and the hot air contacts with the heat sink to conduct the heat in the hot air through the heat sink and enhance the cooling effect of the cavity. The heat dissipation effect, specifically, the temperature threshold can be configured as 20-40 degrees Celsius. After the cooling fan is started, the control chip can also adjust the cooling fan to rotate at a rotation speed matching the temperature information.

In a more specific embodiment, the cooling fins 82 are arranged vertically. In order to further enhance the heat dissipation effect of the heat sink, the heat sink can be set vertically. Due to the low density of hot air, the vertical setting of the heat sink will not affect the upward circulation of the hot air, and can greatly increase the contact with the heat sink per unit time. The vertical arrangement of the heat sink can increase the air circulation in the cavity and can significantly enhance the heat dissipation effect.

The control chip 11 is arranged in the cavity 101 and is used to control the touch sensing component, the temperature sensor, the laser emitter and the focused ultrasound emitting component according to the operation control signal to control the The working state of the device, specifically, the control chip can obtain operation control signals, skin color detection information, temperature information and touch sensing information, and send control signals to the laser transmitter 6, the focused ultrasound transmitting assembly 7 and the The display assembly 9 is controlled. The control chip is an STM32 chip. The control chip can be arranged on the same control board with the step-down and current-stabilizing circuit, the touch control circuit, the laser driving circuit and the ultrasonic driving circuit, so as to be arranged in the cavity as an integrated circuit.

The laser hair removal device based on focused ultrasound of the present utility model comprises: a host casing, a power supply component, a control component, a touch sensing component, a temperature sensor, a control chip, a laser transmitter, a focused ultrasound emitting component, a display component and a heat sink components. The laser is generated by the laser transmitter, and the ultrasonic wave is generated by the focused ultrasonic transmitting component, so that the laser and the ultrasonic wave can cooperate with each other to achieve a safe and painless hair removal effect; the touch-sensing information is obtained by the touch-sensing component, only when the touch-sensing information meets the conditions. , the device is started to work, which can increase the safety of use, and has achieved good use results in the actual application process.

The embodiment of the present invention also provides a control method, which can be applied to any embodiment of the laser hair removal device based on focused ultrasound, and the control method can be implemented by executing the control program stored in the control chip. Specifically, please refer to FIG. 5 , which is a schematic flowchart of the control method of the laser hair removal device based on focused ultrasound of the present invention.

As shown in FIG. 5 , the control method includes steps S110 to S160.

S110. If an operation control signal for turning on the device is received, drive the display component to display the prompt information that the device has been turned on, and acquire the gear position information in the operation control signal.

If an operation control signal for turning on the device is received, the control signal is sent to drive the display assembly to display the prompt information that the device has been turned on, and further the gear position information in the operation control signal is obtained.

For example, if the display component is four LED lights, the first LED light is lit to display the prompt message that the device has started.

In addition, before the step of driving the display component to display the prompt information that the device has been turned on and acquiring the gear position information in the operation control signal, it is also possible to check whether the skin color detection information acquired by the skin color detection component is smaller than the preset skin color threshold. Judgment; if the skin color detection information is less than the skin color threshold, execute the steps of driving the display component to display the prompt information that the device has been turned on and acquiring the gear information in the operation control signal. The skin color detection component can obtain the RGB information of the user's skin as skin color detection information, and the skin color threshold is also the preset RGB value, and judges whether the skin color detection information is less than the preset RGB value. If the skin color detection information is less than the skin color threshold, then Show that this skin color detection information meets the requirements, and the user can use the device normally, and executes the step of driving the display component display device to open the prompt information and obtaining the gear information in the operation control signal; if the skin color detection information is not less than the skin color threshold, It means that the skin color detection information does not meet the requirements, and the user cannot use the device at this time. At this time, a prompt message indicating that the device cannot be used can be sent through the display component.

S120. Determine whether the touch sensing information acquired by the touch sensing component satisfies a preset touch condition. The touch sensing information of whether the user's skin is in contact with the touch sensing component is obtained through the touch sensing component. Specifically, when the user's skin contacts the capacitive touch sensor in the touch sensing component, parasitic capacitance will be generated in the area contacting the skin, and the touch control circuit can determine The size of the parasitic capacitance is used to obtain the judgment result of whether it is in contact with the skin, and the judgment result is used as the touch sensing information. The touch sensing information is the information of whether it is in contact with the skin. If the touch sensing information is yes, the touch sensing information satisfies the preset touch conditions; if the touch sensing information is no, the touch sensing information does not meet the preset touch conditions.

S130. If the touch sensing information satisfies the touch condition, drive the laser transmitter and the focused ultrasound emitting component to generate laser and ultrasonic waves matching the gear information, and drive the display component to display the gear information Matching gear prompt information. If the touch sensing information satisfies the touch condition, the laser transmitter and the focused ultrasound transmitter can be started to work. Specifically, according to the obtained gear information, a control signal is sent to the focused ultrasound transmitter to generate a power corresponding to the gear information. Ultrasonic, send control signal to laser transmitter to generate laser with power corresponding to gear information. After driving the laser transmitter and the focused ultrasound emitting assembly to work, a control signal needs to be sent to drive the display assembly to display the gear prompt information matching the gear information. After processing an area to be depilated, it may move to the next area to continue processing, that is, return to step S120.

For example, if the display component is four LED lights, and the gear information is the first gear, the second LED light is on; the gear information is the second gear, then the third LED light is on; the gear information is the third gear bit, then the fourth LED lights up.

S140. Determine whether the temperature information acquired by the temperature sensor exceeds a preset temperature threshold. During the working process of the laser transmitter and the focused ultrasonic emitting component, heat will be generated, especially the heat generated by the laser transmitter is high. If the heat is not discharged in time, it will affect the normal operation of the device. The temperature information of the laser emitter can be acquired through real-time detection by the temperature sensor, and it can be judged whether the temperature information exceeds the document threshold.

S150. If the temperature information exceeds the temperature threshold, drive the cooling fan to rotate at a rotation speed matching the temperature information. When the temperature information sensed by the temperature sensor exceeds the preset temperature threshold, the cooling fan can be controlled by the control chip to start working, and the hot air contacts the heat sink to conduct the heat in the hot air through the heat sink to reduce the laser The temperature of the transmitter and focused ultrasound transmitting components.

S160. If an operation control signal of the shutdown device is received, drive the laser transmitter, the focused ultrasound emitting component, the display component and the cooling fan to stop working. If the control component information of the closing device is received, a control signal can be sent to drive the laser transmitter, the focused ultrasonic emitting component, the display component and the cooling fan to stop working.

The above-mentioned control method is applied to the above-mentioned focused ultrasound-based laser hair removal device, and the device includes: a host casing, a power supply assembly, a control assembly, a touch sensing assembly, a temperature sensor, a control chip, a laser transmitter, a focused ultrasound emission assembly, and a display assembly and cooling components. The laser is generated by the laser transmitter, and the ultrasonic wave is generated by the focused ultrasonic transmitting component, so that the laser and the ultrasonic wave can cooperate with each other to achieve a safe and painless hair removal effect; the touch-sensing information is obtained by the touch-sensing component, only when the touch-sensing information meets the conditions. , the device is started to work, which can increase the safety of use, and has achieved good use results in the actual application process.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

It should be understood that the above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Various equivalent modifications or substitutions can easily be thought of, and these modifications or substitutions should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (9)

1. A laser hair removal device based on focused ultrasound, characterized in that the device comprises: a host housing, a power supply assembly, a control assembly, a touch sensing assembly, a temperature sensor, a control chip, a laser transmitter, a focused ultrasound emission assembly, Display components and cooling components; of which, The host shell includes a cavity and a launch cavity disposed at the bottom of the host shell and communicated with the cavity; The power supply assembly is arranged in the cavity, and is used for providing the device with a constant-voltage and constant-current direct current; The heat dissipation component is arranged in the cavity and is used for cooling the cavity; The manipulation component is disposed on the host casing, and is used for the user to operate to generate an operation control signal to control the working state of the device; The display assembly is arranged on the mainframe casing, and is used for visual display of the working state of the device; The touch sensing component is disposed on the host casing and on the same side as the emission cavity, and is used to sense whether the device is in contact with the user's skin to obtain touch sensing information and feed it back to the control chip ; The laser transmitter is arranged in the cavity and communicated with the emission cavity, and is used to generate laser light with a rated wavelength and a rated pulse width and emit through the emission cavity; The temperature sensor is arranged on the outer wall of the laser transmitter, and is used for real-time detection of the temperature of the laser transmitter to obtain temperature information and feed it back to the control chip; The focused ultrasonic emitting component is arranged on the inner sidewall of the emitting cavity, and is used to generate ultrasonic waves of a rated frequency and focus and then emit along the emitting cavity; The control chip is arranged in the cavity, and is used to control the touch sensing component, the temperature sensor, the laser transmitter and the focused ultrasound emitting component according to the operation control signal to control the The working state of the device. 2. The laser hair removal device based on focused ultrasound according to claim 1, further comprising a skin color detection component; The skin color detection component is disposed on the host casing and on the same side as the emission cavity, and is used to detect the skin color of the user's skin to obtain skin color detection information and feed it back to the control chip. 3. The laser hair removal device based on focused ultrasound according to claim 1, wherein the power supply assembly comprises a power supply jack and a step-down current-stabilizing circuit; wherein, the power jack is used for connecting power lines; The step-down and current-stabilizing circuit is used for converting the voltage input by the power jack to output a DC power with a voltage-stabilizing and constant current. 4 . The laser hair removal device based on focused ultrasound according to claim 1 , wherein the heat dissipation component comprises a heat dissipation fan disposed above the laser emitter, and a heat dissipation fan disposed on the inner wall of the cavity and connected to the cavity. 5 . The inner walls of the cavity are perpendicular to a plurality of cooling fins. 5 . The laser hair removal device based on focused ultrasound according to claim 4 , wherein the cooling fins are arranged vertically. 6 . 6 . The laser hair removal device based on focused ultrasound according to claim 1 , wherein the display assembly comprises at least four LED lights. 7 . 7 . The laser hair removal device based on focused ultrasound according to claim 1 , wherein the display component is an LED liquid crystal display screen. 8 . 8 . The laser hair removal device based on focused ultrasound according to claim 1 , wherein the control component is a micro switch button. 9 . 9 . The laser hair removal device based on focused ultrasound according to claim 1 , wherein the control chip is an STM32 chip. 10 .

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