WO2022052447A1

WO2022052447A1 - Laser scanning device and beauty equipment

Info

Publication number: WO2022052447A1
Application number: PCT/CN2021/083645
Authority: WO
Inventors: 管恩平
Original assignee: 深圳市云顶信息技术有限公司
Priority date: 2020-09-11
Filing date: 2021-03-29
Publication date: 2022-03-17
Also published as: CN112155724A

Abstract

Disclosed are a laser scanning device and a beauty equipment. The laser scanning device comprises a laser generation device, an optical scanning device, and a control module. The laser generation device is configured to provide one or more laser light sources, wherein the laser light sources are configured to emit laser of one or more wavelengths and the laser light sources are point light sources or linear light sources. The optical scanning device comprises a driving mechanism, and is configured to control, according to a scanning control signal, the driving mechanism to perform linear motion or rotary motion so as to change a laser propagation direction. The control module is configured to provide a laser control signal to the laser generation device to control whether the laser generation device emits laser or not and to control the wavelength of the generated laser, and is configured to provide the scanning control signal to control the laser propagation direction of the optical scanning device.

Description

Laser scanning device and beauty equipment

This application claims the priority of the Chinese patent application with application number 202010951249.6 filed with the China Patent Office on September 11, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of medical beauty, for example, to a laser scanning device and beauty equipment.

Background technique

Modern laser technology has been applied to the treatment field of cosmetic skin science, which is one of the breakthrough developments in the dermatology profession in recent years. In a short period of about ten years, laser technology has formed a relatively complete theoretical system and clinical Practice has become one of the treatment methods in cosmetic dermatology, which can be applied to hair removal, skin rejuvenation, skin tightening, and freckle removal.

The technical solution of using laser technology to achieve cosmetic effects uses a laser scanning device to achieve cosmetic treatment effects. The laser scanning device uses a high-intensity specific wavelength laser array (surface light source) to form a specific wavelength of pulse irradiation (such as 1-10ms) to achieve cosmetic effects. This solution can only achieve scanning irradiation of a single wavelength, and the cost is relatively high.

SUMMARY OF THE INVENTION

The present application provides a laser scanning device and a beauty equipment, which can realize scanning irradiation of different wavelengths of laser light, and can reduce the cost.

A laser scanning device is provided, the device comprising: a laser generating device configured to provide one or more laser light sources, the laser light sources being configured to emit laser light of one or more wavelengths, the laser light sources being point light sources or a line light source, the laser light source is capable of producing a spot of a specified size on the illuminated area;

The optical scanning device includes a driving mechanism, which is configured to control the driving mechanism to perform linear motion or rotational motion and change the laser propagation direction according to the scanning control signal; the driving mechanism includes an X-axis driving part and a Y-axis driving part, or only includes the X-axis driving part; the laser propagation direction includes a one-dimensional direction or a two-dimensional direction; the one-dimensional direction is changed by the X-axis driving part; the two-dimensional direction is changed by the X-axis driving part and all the The Y-axis driving part is used to change; the one-dimensional direction is the X-axis direction, the two-dimensional direction is the X-axis direction and the Y-axis direction, and the X-axis direction is perpendicular to the Y-axis direction;

A control module configured to provide a laser control signal to the laser generating device to control whether the laser generating device emits laser light and the wavelength of the generated laser light, and configured to provide the scanning control signal to control the optical scanning device Laser propagation direction; the scanning control signal includes an X-axis scanning control signal and a Y-axis scanning control signal, or only the X-axis scanning control signal.

Also provided is a cosmetic device comprising: the laser scanning device, and at least one light output window;

The laser light is scanned onto the skin of the subject through the at least one light output window, and the at least one light output window moves over the skin.

Description of drawings

1 is a schematic structural diagram of a laser scanning device in one embodiment;

2 is a schematic structural diagram of a laser scanning device in another embodiment;

3 is a schematic structural diagram of a laser scanning device in another embodiment;

4 is a schematic structural diagram of a point light source for scanning illumination in an embodiment;

FIG. 5 is a schematic structural diagram of using a line light source to scan and illuminate in one embodiment;

6 is a schematic structural diagram of a one-dimensional direction change performed by a laser scanning device in an embodiment;

7 is a schematic structural diagram of a one-dimensional direction change performed by a laser scanning device in another embodiment;

8 is a schematic structural diagram of a two-dimensional direction change performed by a laser scanning device in an embodiment;

FIG. 9 is a schematic structural diagram of a cosmetic device in one embodiment;

10 is a schematic structural diagram of a cosmetic device in another embodiment;

In the figure: 1, laser scanning device; 11, laser generating device; 12, optical scanning device; 13, control module; 2, imaging device; 3, attitude detection module; 4, position detection module; 5, skin color detection module; 6 , color detection module; 7, skin detection module; 8, communication device; 9, refrigeration device; 10, prompt device; 14, display device; 111, laser generator assembly; 112, lens assembly; 121, drive mechanism; 122, A controllable angle head; 123. A controllable angle reflector.

detailed description

The present application will be described below with reference to the accompanying drawings and embodiments. The embodiments described in this specification are only for explaining the present application, not for limiting the present application. The embodiments in this application and the features in the embodiments may be combined with each other without conflict.

The terms "first", "second", etc. (if present) in the description and claims and the above-mentioned drawings are used to distinguish similar parts and are not necessarily used to describe a particular order or sequence. Data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated herein.

The present application provides a laser scanning device 1 , as shown in FIG. 1 , in one embodiment, the laser scanning device 1 may include a laser generating device 11 , an optical scanning device 12 and a control module 13 . The laser generating device 11 may be configured to provide one or more laser light sources, the laser light sources may be configured to emit laser light of one or more wavelengths, the laser light sources may be point light sources or line light sources, and the laser light sources may be The light source can generate a spot of a specified size on the irradiated area; the optical scanning device 12 may include a driving mechanism 121, and is configured to control the driving mechanism 121 to perform linear motion or rotational motion according to the scanning control signal to change the laser propagation direction; The driving mechanism 121 may include an X-axis driving component and a Y-axis driving component, or may only include the X-axis driving component; the laser propagation direction may include a one-dimensional direction or a two-dimensional direction; the one-dimensional direction may It is changed by the X-axis driving part; the two-dimensional direction can be changed by the X-axis driving part and the Y-axis driving part; the one-dimensional direction is the X-axis direction, and the two-dimensional direction is the The X-axis direction and the Y-axis direction are perpendicular to the Y-axis direction; the control module 13 can be configured to provide a laser control signal to the laser generating device 11 to control whether the laser generating device 11 is The emitted laser light and the wavelength of the generated laser light, and can be set to provide the scanning control signal to control the laser propagation direction of the optical scanning device 12; the scanning control signal can include an X-axis scanning control signal and a Y-axis scanning control signal signal, or only the X-axis scan control signal may be included.

The laser scanning device 1 provided in this embodiment provides one or more laser light sources configured to emit laser light of one or more wavelengths, the laser scanning device 1 can realize a laser light source of one wavelength It can also realize the scanning irradiation of different wavelengths of laser light, and can also realize the scanning irradiation of different wavelengths of laser light sources in the same area or the scanning irradiation of combined light sources in the same area; The light energy is not released by instantaneous high intensity, thereby reducing the operating current and transient heat energy release of the laser scanning device 1. Compared with the one-time pulse irradiation of the surface light source, not only the same light energy irradiation can be achieved, but the cost is also reduced.

The laser scanning device 1 can use a point light source for scanning and irradiation, or a line light source for scanning and irradiation. When the laser scanning device 1 uses a point light source to scan and irradiate the skin, the laser generating device 11 generates a specific wavelength of light. High-energy spot beam; when the laser scanning device 1 uses a line light source to scan and irradiate the skin, the laser generating device 11 generates a line beam of a specific wavelength. The laser light source can generate a spot of a predetermined size on the irradiation area. The laser generating device 11 can provide one kind of laser light source, and can also provide multiple kinds of laser light sources. In one embodiment, the laser generating device 11 may include a laser generator assembly 111, and the laser generator assembly 111 may be one laser generator or multiple laser generators, and the laser generators may be Semiconductor lasers or solid-state lasers, etc. The laser generator can emit laser light of one wavelength, or can emit laser light of multiple wavelengths. For example, the laser generator can emit laser light of various wavelengths such as 755 nm, 810 nm, 808 nm, and 1064 nm. In one embodiment, the laser wavelength can also only be selected from a laser wavelength of 700nm-900nm. The control module 13 can be configured to provide a laser control signal to the laser generating device 11 to control whether the laser generating device 11 emits laser light and the wavelength of the generated laser light, that is, the control module 13 can control all The generation and shutdown of the laser of the laser generating device 11 can also be controlled to turn on and off a plurality of lasers with different wavelengths. According to different needs, you can choose one wavelength of laser light source for scanning irradiation, you can also choose different wavelength laser scanning irradiation, you can also choose different wavelength laser light source for scanning irradiation in the same area or combined light source for scanning irradiation in the same area .

The optical scanning device 12 may include a driving mechanism 121, and is configured to control the driving mechanism 121 to perform linear motion or rotational motion according to the scanning control signal to change the laser propagation direction; the driving mechanism 121 may be a motor or a Other drive mechanisms 121 . In one embodiment, the driving mechanism 121 may be a motor, and the motor may include an X-axis motor and a Y-axis motor, or may only include the X-axis motor. The control module 13 may be configured to provide the scanning control signal to control the laser propagation direction of the optical scanning device 12; the scanning control signal may include an X-axis scanning control signal and a Y-axis scanning control signal, or may only Including the X-axis scan control signal. In one embodiment, the motor may be a linear motor or a stepper motor. In one embodiment, the control module 13 can control the driving mechanism 121 to perform linear motion by a linear control method such as a screw rod, and the control module 13 can also control the driving mechanism 121 to perform a rotary motion by a rotary motion control method such as a rotating shaft. . The laser light propagation direction may include a one-dimensional direction or a two-dimensional direction; that is, the laser light can change the laser light propagation direction by row scanning, or the laser light can change the laser light propagation direction by row scanning and column scanning. In one embodiment, the one-dimensional direction can be changed by the X-axis motor; that is, the laser scanning device 1 can change the laser propagation direction by line scanning; the two-dimensional direction can be changed by the X-axis motor and the Y-axis motor, the X-axis and the Y-axis are perpendicular, that is, the laser scanning device 1 can change the laser propagation direction through the combination of row scanning and column scanning.

In one embodiment, the laser generating device 11 may further include a lens assembly 112; the lens assembly 112 may be configured to shape the laser light emitted by the laser generating device 11 and generate a light spot of a specified size. In one embodiment, the lens assembly 112 may be configured with one lens, or may be configured with multiple lenses.

In one embodiment, the laser light source has a fast-axis divergence angle and a slow-axis divergence angle, and can generate a spot of a predetermined size on the irradiation area. That is to say, the laser scanning device 1 can use the fast-axis divergence angle and the slow-axis divergence angle of the laser light source to generate a light spot of a predetermined size on the irradiation area, without disposing the lens assembly 112 .

In one embodiment, as shown in FIG. 2 and FIG. 3 , the optical scanning device 12 may further include a controllable angle mirror 123 or a controllable angle pan/tilt 122; the driving mechanism 121 may be configured to control the controllable angle The controllable angle reflector 123 or the controllable angle pan/tilt 122 performs linear motion or rotational motion; the controllable angle reflector 123 can be arranged in the middle of the laser propagation path, and is set to change the laser propagation path; the laser propagation path is The laser scans the path irradiated on the irradiated area; the controllable-angle pan/tilt 122 can be set on the laser generator 11 to fix the laser generator 11 and change the laser generator 11 The direction in which the laser is emitted.

As shown in FIG. 4 , FIG. 4 is a schematic structural diagram of a point light source for scanning irradiation in an embodiment. In an embodiment, when the laser scanning device 1 adopts a point light source, the laser passes through the optical scanning device 12 and passes through Line scan illumination can produce strip-shaped spots 0.2-0.3 cm wide and 3 cm long. According to actual requirements, the control module 13 may select lasers of different wavelengths or a combination of lasers of different wavelengths to form other light spots of different sizes.

As shown in FIG. 5 , FIG. 5 is a schematic diagram of scanning irradiation using a line light source in an embodiment. In one embodiment, when the laser scanning device 1 adopts a line light source, the laser passes through the optical scanning device 12 and passes through the line Scanning illumination produces a square spot 1 cm wide and 3 cm long. According to actual requirements, lasers of different wavelengths or combinations of lasers of different wavelengths may be selected by the control module 13 to form other light spots of different sizes.

As shown in FIG. 6, FIG. 6 is a schematic structural diagram of a laser scanning device performing one-dimensional direction change in an embodiment; the laser generating device 11 includes a laser generator assembly 111 and a lens assembly 112, and the optical scanning device 12 includes all The drive mechanism 121 and the controllable angle reflector 123, the drive mechanism 121 is arranged on the controllable angle reflector 123, the drive mechanism 121 controls the controllable angle reflector 123 to perform linear motion, and then Change the direction of laser propagation. As shown in FIG. 7, FIG. 7 is a schematic structural diagram of a laser scanning device performing one-dimensional direction change in another embodiment; the laser generating device 11 includes a laser generator assembly 111 and a lens assembly 112, and the optical scanning device 12 includes The drive mechanism 121 and the controllable angle mirror 123, the drive mechanism 121 is arranged on the controllable angle reflector 123, and the drive mechanism 121 controls the controllable angle reflector 123 to rotate, And then change the laser propagation direction. As shown in FIG. 8, FIG. 8 is a schematic structural diagram of a laser scanning device performing two-dimensional direction change in an embodiment; the laser generating device 11 includes a laser generator assembly 111 and a lens assembly 112, and the optical scanning device 12 includes all The drive mechanism 121 and the controllable angle reflector 123, the drive mechanism 121 is arranged on the controllable angle reflector 123, and the drive mechanism 121 controls the controllable angle reflector 123 to rotate, and then Change the direction of laser propagation. In one embodiment, the one-dimensional direction can be changed by the X-axis motor; that is, the laser scanning device 1 can change the laser propagation direction by line scanning; the two-dimensional direction can be changed by the X-axis motor and the Y-axis motor, the X-axis and the Y-axis are perpendicular, that is, the laser scanning device 1 can change the laser propagation direction through the combination of row scanning and column scanning.

The present application also provides a cosmetic device. In one embodiment, the cosmetic device may include the laser scanning device 1 described in any of the above embodiments, and at least one light output window; the laser light passes through the at least one light output window. A light output window scan impinges on the skin of the subject over which the at least one light output window moves. The material of the light output window can be a transparent material with high laser transmittance, and the light output window can be an optical projection window of 1 cm×3 cm. The size of the light output window can also be set to other sizes. As the optical projection window, a protective lens can be used for efficiently projecting both the laser light and the visible light range emitted by the laser generating device 11 .

In this embodiment, by using the laser scanning device 1, the light energy is not released by instantaneous high intensity, thereby reducing the operating current and the transient heat energy release of the laser scanning device 1. Compared with the one-time pulse irradiation of the surface light source, Not only can the irradiation of the same light energy be achieved, but also the cost can be reduced, and at the same time, the temperature of the cosmetic device can be effectively controlled. By providing one or more laser light sources, the laser light sources are configured to emit laser light of one or more wavelengths, the laser scanning device 1 can realize the scanning irradiation of the laser light sources of one wavelength. , it can also realize scanning irradiation of different wavelengths of laser light, and can also realize scanning irradiation of laser light sources of different wavelengths in the same area or scanning irradiation of combined light sources in the same area. In one embodiment, the laser generating device 11 can be configured with point light sources or line light sources with multiple wavelengths, and the control module 13 can realize the point light source or line light source by controlling the light source selection of the laser generating device 11 automatic selection. In one embodiment, according to different skin characteristics, the control module 13 may select lasers of different wavelengths to achieve scanning irradiation of the irradiation area, or may select lasers of combined light sources to achieve scanning irradiation of the irradiation area, Usually, the laser wavelength can be selected between 700nm-900nm. Only as an example, the cosmetic device can perform scanning irradiation of lasers with various wavelengths, and the control module 13 can select laser scanning irradiation with wavelengths of 755 nm and 810 nm, or laser scanning irradiation with wavelengths of 808 nm and 1064 nm, etc., respectively. For different skin characteristics, choosing lasers of different wavelengths can effectively treat different parts, skin colors, and hairs. By using the laser scanning device 1, the beauty equipment can achieve a larger area of scanning irradiation, and by selecting lasers of different wavelengths or combinations of lasers of different wavelengths or the power of different beauty equipment to adapt to the improvement of different skin problems, to meet the needs of many The needs of various cosmetic functions, such as hair removal, hair growth promotion, local improvement of skin diseases, anti-inflammatory, hair growth, skin tightening, skin elasticity restoration, and freckle removal, etc.

The lens assembly 112 can be designed with different spot sizes according to the power of the different laser generating devices 11, so that the illumination capability of the cosmetic treatment area can meet the energy requirements of different cosmetic treatments. Generally, the fluence of the skin is set to 1 J/cm ² . In the cosmetic treatment operation of each irradiation area, the cosmetic device will generate a prompt sound or lighting effect, so that the user can move to the next cosmetic treatment area. The control module 13 can realize laser scanning irradiation through a linear control method such as a screw rod or a rotary control method such as a rotating shaft, so that the position of the light spot in the light output window is moved, and the irradiation area is completed by using time division multiplexing technology. irradiation.

In one embodiment, as shown in FIG. 9 , the beauty equipment further includes an imaging device 2 connected to the control module 13 and configured to detect the skin condition in the irradiated area scanned by the laser through the optical scanning device 12 in real time . The control module 13 can control the imaging device 2 to photograph and identify the light output window before each cosmetic action is started to confirm whether it is a normal skin area. If the target area scanned and irradiated by the laser through the light output window includes abnormal skin areas such as human eyes, the control module 13 can control to prohibit the laser generator 11 from turning on the laser, and generate a prompt message prompting user.

The imaging device 2 may also be configured to detect the sealing condition of the light output window in real time.

In one embodiment, the imaging device 2 may be further configured to recognize the movement of the at least one light output window, and the control module 13 provides a first trigger signal to the at least one light output window according to the recognition result of the movement of the at least one light output window. the cosmetic device to trigger the cosmetic device to perform the next cosmetic action.

In one embodiment, the imaging device 2 may include a filter module and/or a white light supplementary light module; the filter module is configured to block infrared light or block light other than laser light of a desired wavelength; the white light supplementary light The light module is set to restore the skin color value information of the skin.

In one embodiment, the imaging device 2 may also be configured to detect the color of the skin in real time, and output the color recognition result of the skin to the control module 13 . The imaging device 2 can use the white light supplementary light module to perform color image recognition on the image obtained after the white light supplementary light irradiation to obtain the RGB value, thereby obtaining the corresponding skin color value, and the cosmetic device can perform cosmetic treatment parameter setting. The imaging device 2 can accurately restore skin color information by using the white light supplementary light module, and the beauty treatment parameters can be set by pressing a button.

The control module 13 can control the imaging device 2 to shoot before scanning irradiation and after scanning irradiation when the laser performs a cosmetic action, but not to shoot during scanning irradiation.

In one embodiment, as shown in FIG. 10 , the cosmetic device may further include one or at least one of a posture detection module 3 , a position detection module 4 , a skin color detection module 5 , a color detection module 6 and a skin detection module 7 . The attitude detection module 3, the position detection module 4, the skin color detection module 5, the color detection module 6 and the skin detection module 7 are all connected with the control module 13;

The posture detection module 3 may be configured to detect the posture change of the beauty equipment, and output the posture change detection result to the control module 13 . In one embodiment, the posture detection module 3 may include one or more inertial sensors, and the inertial sensors can capture the posture change of the cosmetic treatment device of the cosmetic device, so as to avoid the posture change of the cosmetic treatment device. Instantaneous light leakage occurs in the laser light.

The position detection module 4 can be configured to detect whether the laser light reaches a specified scanning position as required, and output the scanning position detection result to the control module 13; the control module 13 can determine whether the laser light reaches the specified scanning position. If the correct scanning position of the laser cannot be reached as required, the control module 13 will judge it as a failure mode, and the control module 13 controls the laser generating device 11 to automatically stop the scanning of the laser irradiate.

The skin color detection module 5 may be configured to recognize the color of the skin, and output the color recognition result of the skin to the control module 13; the skin color detection module 5 may include an independent skin color recognition sensor.

The color detection module 6 may be configured to detect the skin color value of the skin, and output the detection result of the skin color value to the control module 13 . In one embodiment, the color detection module 6 may include a color sensor, the color sensor can obtain the color values of the three primary colors of red, green and blue (RGB), and the control module 13 obtains the skin color value through a color mixing identification algorithm. The cosmetic equipment can perform cosmetic treatment parameter setting. The cosmetic treatment parameters can be set by pressing keys. The laser light spot formed by scanning and irradiating the optical scanning device 12 stays at a specific position for a duration of 1ms-10ms, and the laser generating device 11 emits the intensity of the laser, that is, the laser generating The emission power of the device 11 controls the driving current or driving voltage of the laser generating device 11 , so that the ability of the laser to scan and irradiate through the optical scanning device 12 reaches 1 J/cm ² to 10 J/cm ² or the like. The control module 13 may also determine lasers of different wavelengths according to the skin color value of the skin detected by the color detection module 6, for example, lasers with a wavelength of 810 nm or lasers with a wavelength of 750 nm.

The skin detection module 7 may be arranged around the at least one light output window, configured to detect whether the at least one light output window is in contact with the skin, and output the detection result of the skin contact to the control module 13 ; The skin detection module 7 may include at least one of a skin contact sensor, a window bio-electrode and an optical distance sensor; the skin contact sensor, the window bio-electrode, and the optical distance sensor are all one or more. In one embodiment, the skin detection module 7 can use the skin contact sensor to detect whether the light output window is in contact with the skin, and when the light output window is not sufficiently sealed with the skin, The user is prompted to adjust the posture to contact the skin and seal. The skin contact sensor may use a capacitive touch sensor, and the capacitive touch sensor may be disposed around the light output window to detect whether the light output window is in contact with the skin. The skin contact sensor can also be designed with a flexible printed circuit (Flexible Printed Circuit, FPC), for example, independent capacitive sensing areas can be provided around the light output window, so as to confirm that the light output window is in effective contact around all sides. The skin, no cosmetic treatment action can be performed on either side without touching the skin, thereby preventing light leakage and potential safety risks to the human eye. The skin detection module 7 can also use the window bio-electrode to detect whether the light output window is in contact with the skin. The electrical characteristic or impedance characteristic judges whether it is in sufficient contact with the skin. For example, four bio-electrodes of the window can be distributed around the light output window, and the impedance between the bio-electrodes of the window can be measured, and the conductive characteristics of the skin can be used to measure the impedance between the bio-electrodes of the window. Identify exposure. The skin detection module 7 can also use the optical distance sensor to detect whether the light output window is in contact with the skin. For example, the optical distance sensors can be evenly distributed around the light output window to identify the light The distance between the periphery of the output window and the skin, the control module 13 determines that the light output window is in contact with the skin only when the contact distance between the periphery of the light output window and the skin is consistent and reaches a preset value.

In one embodiment, the gesture detection module 3 may be further configured to recognize the movement of the cosmetic device on the skin, and the control module 13 provides a second trigger signal to the cosmetic device according to the recognition result of the movement of the cosmetic device. the cosmetic device to trigger the cosmetic device to perform the next cosmetic action.

In one embodiment, the cosmetic device may further include at least one handle, and at least one handshake bio-electrode is set at the handshake position of the handle; the handshake bio-electrode is connected to the control module 13; the handshake bio-electrode is set to Detect whether the handle is in contact with the skin at the handshake position, and output the detection result of the skin contact to the control module 13 . It is also possible to use the bioelectric features of the window bio-electrode and the handshake bio-electrode at the same time, for example, amplify the bio-electricity or obtain bio-electric features such as heart rate, or use the impedance characteristics of the window bio-electrode and the handshake bio-electrode. To determine whether the handle is in contact with the skin at the handshake position, that is, to determine whether the handshake posture is correct and whether it is in correct contact with the skin, the impedance characteristic is the impedance characteristic when the human body is used as a conductor.

In one embodiment, as shown in FIG. 10 , the beauty equipment may further include one or more of a communication device 8, a cooling device 9, a prompting device 10 and a display device 14; the communication device 8, the cooling device 9. Both the prompting device 10 and the display device 14 are connected to the control module 13 .

The control module 13 is connected to the electronic control device through the communication device 8; the communication device 8 may include a wireless fidelity (Wireless Fidelity, WiFi) module, a Bluetooth (Bluetooth, BT) module or a fourth-generation mobile communication technology ( 4G) module, etc., the electronic control device can be a tablet computer or a smart phone, etc., and the cosmetic treatment parameters can also be set by the electronic control device, for example, set by an application (Application, APP) of a smart phone. The electronic control device can record usage time and functional parameters, etc., thereby helping the user to plan a cosmetic treatment plan, and automatically perform a prompt of the cosmetic treatment plan to help the user effectively complete the cosmetic treatment.

In one embodiment, the beauty equipment can also help the user to record image data through the imaging device 2, so as to compare the effects before and after the beauty treatment.

In one embodiment, the cosmetic device can also collect images through the imaging device 2 and send the images to the electronic control device for display through the communication device 8, so as to realize the visualization of the cosmetic treatment.

The refrigeration device 9 may include a semiconductor refrigeration mechanism and/or an air cooling mechanism. The control module 13 can balance the temperature of the beauty equipment by controlling the cooling device 9 , so that the body feels better when used, and there is no instant burning sensation and irritation.

The prompting device 10 may include a speaker module, a haptic module or an indicator light and the like.

The display device 14 may include a liquid crystal display screen, a touch screen panel, or the like, and the display device 14 may also be configured for the imaging device 2 to collect images and analyze the images.

In one embodiment, the cosmetic device may further include a power supply, and the power supply may be powered by a battery, and the battery may be a rechargeable battery or a disposable battery, so as to make the cosmetic treatment experience better. Due to the adoption of the above technical solution, the embodiment of the present application scans and irradiates the skin by using a point light source or a line light source, instead of the one-time irradiation of a surface light source, and the light energy of the laser is not released by instantaneous high intensity, reducing the cost of the skin. The working current and transient heat energy release of the cosmetic device can effectively control the temperature of the cosmetic device and reduce the cost.

The multiple technical features of the above embodiments can be combined arbitrarily. In order to simplify the description, all possible combinations of the multiple technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

Claims

A laser scanning device, comprising:

A laser generating device configured to provide one or more laser light sources configured to emit laser light of one or more wavelengths, the laser light sources being a point light source or a line light source, the laser light sources being capable of produce a spot of a specified size on it;

The optical scanning device includes a driving mechanism, which is configured to control the driving mechanism to perform linear motion or rotational motion and change the laser propagation direction according to the scanning control signal; the driving mechanism includes an X-axis driving part and a Y-axis driving part, or only includes the X-axis driving part; the laser propagation direction includes a one-dimensional direction or a two-dimensional direction; the one-dimensional direction is changed by the X-axis driving part; the two-dimensional direction is changed by the X-axis driving part and all the The Y-axis driving part is used to change; the one-dimensional direction is the X-axis direction, the two-dimensional direction is the X-axis direction and the Y-axis direction, and the X-axis direction is perpendicular to the Y-axis direction;

A control module configured to provide a laser control signal to the laser generating device to control whether the laser generating device emits laser light and the wavelength of the generated laser light, and configured to provide the scanning control signal to control the optical scanning device Laser propagation direction; the scanning control signal includes an X-axis scanning control signal and a Y-axis scanning control signal, or only the X-axis scanning control signal.
The laser scanning device according to claim 1, wherein the laser generating device further comprises a lens assembly;

The lens assembly is configured to shape the laser light emitted by the laser generating device and generate a light spot of the predetermined size.
The laser scanning device according to claim 1, wherein,

The laser light source has a fast-axis divergence angle and a slow-axis divergence angle, and can generate a spot of the predetermined size on the irradiation area.
The laser scanning device according to claim 2 or 3, wherein the optical scanning device further comprises a controllable angle mirror or a controllable angle pan/tilt;

The driving mechanism is configured to control the controllable angle mirror or the controllable angle pan/tilt to perform linear motion or rotational motion;

The controllable angle mirror is arranged in the middle of the laser propagation path, and is set to change the laser propagation path; the laser propagation path is the path of the laser scanning and irradiating the irradiation area;

The controllable-angle pan/tilt is arranged on the laser generating device, and is configured to fix the laser generating device and change the direction in which the laser generating device emits laser light.
A cosmetic device comprising the laser scanning device of any one of claims 1 to 4, and at least one light output window;

The laser light is scanned onto the skin of the subject through the at least one light output window, and the at least one light output window moves over the skin.
The cosmetic device of claim 5, further comprising:

An imaging device is connected to the control module, and the imaging device is configured to detect the skin condition of the irradiated area scanned by the laser through the optical scanning device in real time.
The cosmetic device according to claim 6, wherein,

The imaging device is further configured to recognize the movement of the at least one light output window, and the control module is configured to provide a first trigger signal to the cosmetic device according to the recognition result of the movement of the at least one light output window, to trigger The cosmetic device performs the next cosmetic action.
The cosmetic device according to claim 6, wherein the imaging device comprises at least one of the following: a filter module, a white light supplementary light module;

The filter module is set to block infrared light or light other than laser light of a desired wavelength; the white light supplementary light module is set to restore the skin color value information of the skin.
The beauty equipment according to claim 5, further comprising at least one of a posture detection module, a position detection module, a skin color detection module, a color detection module and a skin detection module;

The posture detection module, the position detection module, the skin color detection module, the color detection module and the skin detection module are all connected with the control module;

The posture detection module is configured to detect the posture change of the beauty equipment, and output the detection result of the posture change to the control module;

The position detection module is configured to detect whether the laser reaches a specified scanning position as required, and output the scanning position detection result to the control module;

The skin color detection module is set to recognize the color of the skin, and output the color recognition result of the skin to the control module;

The color detection module is configured to detect the skin color value of the skin, and output the skin color value detection result to the control module;

The skin detection module is arranged around the at least one light output window, and is configured to detect whether the at least one light output window is in contact with the skin, and output the detection result of the skin contact to the control module;

The skin detection module includes at least one of a skin contact sensor, a window bio-electrode and an optical distance sensor;

The skin contact sensor, the window bio-electrode, and the optical distance sensor are all one or more.
The cosmetic device of claim 9, wherein,

The gesture detection module is further configured to recognize the movement of the cosmetic device on the skin, and the control module is configured to provide a second trigger signal to the cosmetic device according to the recognition result of the movement of the cosmetic device to trigger the cosmetic device. The cosmetic device performs the next cosmetic action.
The cosmetic device according to claim 5, further comprising at least one handle, and the handshake position of the handle is provided with at least one handshake biological electrode;

the handshake biological electrode is connected with the control module;

The handshake bio-electrode is configured to detect whether the handle is in contact with the skin at the handshake position, and output the detection result of the skin contact to the control module.
The cosmetic device according to claim 5, further comprising one or more of a communication device, a cooling device, a prompting device and a display device;

The communication device, the refrigeration device, the prompting device and the display device are all connected to the control module; the control module is connected to the electronic control device through the communication device;

The refrigeration device includes at least one of the following: a semiconductor refrigeration mechanism and an air cooling mechanism.