Skin treatment device

Abstract

The utility model discloses a skin treatment device which comprises a shell, a light emitting assembly, a cold compress assembly and a heat dissipation assembly. The shell is provided with a light emitting area; the light emitting assembly is arranged in the shell and used for generating light rays emitted to the skin to be treated from the light emitting area; the cold compress assembly is arranged at the light emitting area and used for conducting cold compress on the skin. The heat dissipation assembly comprises a fan, a temperature-uniforming plate and cooling fins installed on the temperature-uniforming plate, the fan is provided with a first air opening, one end of the temperature-uniforming plate is in heat conduction connection with the cold compress assembly, and the other end of the temperature-uniforming plate is located at the first air opening, so that the fan is used for driving a first part of air flow to pass through the side, away from the cooling fins, of the temperature-uniforming plate and the light emitting assembly; and the fan is used for driving the second part of air to flow through the cooling fins, so that the cold compress assembly is cooled. According to the skin treatment device, the contact area between the uniform temperature plate and the cooling airflow can be increased, so that the heat dissipation effect of the skin treatment device is improved.

Description

Technical Field

[0001] This application belongs to the field of skin treatment technology, and in particular relates to a skin treatment device. Background Technology

[0002] Hair removal devices and skin rejuvenation devices are common skin care equipment used in daily life. These devices mainly use IPL (intense pulsed light) or laser light sources to irradiate the user's skin, thereby achieving effects such as hair removal or phototherapy skin rejuvenation.

[0003] Taking a hair removal device as an example, the device includes a housing, an IPL light source, and a cooling compress component. The housing has a light-emitting area, the IPL light source is located inside the housing and is used to generate light that shines from the light-emitting area onto the skin, and the cooling compress component is located at the light-emitting area to apply a cooling compress to the skin.

[0004] In related technologies, heat dissipation is required for the light source and cooling components to improve safety. However, the heat dissipation effect of skin treatment devices in these technologies needs improvement. Utility Model Content

[0005] This application provides a skin treatment device that can improve the heat dissipation effect of the skin treatment device.

[0006] This application provides a skin treatment device, including:

[0007] The housing has a light-emitting area;

[0008] A light-emitting component is disposed within the housing, and the light-emitting component is used to generate light rays that are directed from the light-emitting area toward the skin to be treated;

[0009] A cooling compress component, disposed at the light-emitting area, is used for applying a cooling compress to the skin; and

[0010] A heat dissipation assembly includes a fan, a vapor chamber, and heat sinks mounted on the vapor chamber. The fan has a first air outlet. One end of the vapor chamber is thermally connected to a cooling assembly, and the other end of the vapor chamber is located at the first air outlet. The fan is used to drive a first portion of airflow through the side of the vapor chamber away from the heat sink and the light-emitting assembly to dissipate heat from the light-emitting assembly. The fan is also used to drive a second portion of airflow through the heat sink to dissipate heat from the cooling assembly.

[0011] In this embodiment, since the fan drives the first part of the air and the second part of the air to flow through different sides of the heat exchange plate, the contact area between the heat exchange plate and the cooling airflow is increased, thereby improving the heat dissipation efficiency of the heat exchange plate, which in turn improves the heat dissipation effect of the cooling assembly, and ultimately improves the overall heat dissipation effect of the skin treatment device. Attached Figure Description

[0012] The technical solution and its beneficial effects will become apparent from the following detailed description of specific embodiments of this application, in conjunction with the accompanying drawings.

[0013] Figure 1 This is a schematic diagram of a skin treatment device provided in an embodiment of this application.

[0014] Figure 2 for Figure 1 The skin treatment device shown is a cross-sectional view along the AA direction.

[0015] Figure 3 for Figure 2 A schematic diagram showing the installation positions of the light-emitting component, cooling component, and heat dissipation component of the skin treatment device.

[0016] Figure 4 for Figure 2 A magnified view of the area at point X in the image.

[0017] Figure 5 for Figure 2 A schematic diagram of another flow splitting structure at point X.

[0018] Figure 6 for Figure 1 Another cross-sectional view of the skin treatment device along the AA direction.

[0019] Figure 7 for Figure 6 A magnified view of the area at point Y.

[0020] Figure 8 for Figure 2 Another schematic diagram of a magnified view of part X in the image.

[0021] Figure 9 for Figure 2 A schematic diagram of the structure of the first type of shielding part at the heat sink in the skin treatment device shown.

[0022] Figure 10 for Figure 2 A schematic diagram of the structure of the first type of shielding part at the heat sink in the skin treatment device shown.

[0023] Figure 11 for Figure 2 The skin treatment device shown is a cross-sectional view along the BB direction.

[0024] Figure 12 for Figure 2 The heat dissipation component and the light emission component are shown in cross-sectional view.

[0025] Figure 13 for Figure 1Another cross-sectional view of the skin treatment device shown.

[0026] Figure 14 for Figure 2 The skin treatment device shown is a cross-sectional view along the CC direction.

[0027] Figure 15 for Figure 14 A magnified view of the area at point Z.

[0028] Figure 16 for Figure 2 A schematic diagram of the first type of circuit board assembly for the skin treatment device shown.

[0029] Figure 17 for Figure 2 A schematic diagram of a second type of circuit board assembly for the skin treatment device shown.

[0030] Figure 18 for Figure 2 A schematic diagram of the third type of circuit board assembly for the skin treatment device shown.

[0031] Figure 19 for Figure 2 A schematic diagram of the IGBT device in the skin treatment device shown.

[0032] Figure 20 for Figure 2 A schematic diagram of another type of blower in the skin treatment device shown.

[0033] Figure 21 for Figure 1 A schematic diagram of the skin treatment device from another perspective.

[0034] Figure 22 for Figure 21 The skin treatment device shown is a cross-sectional view along the DD direction. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0036] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of a skin treatment device provided in an embodiment of this application. Figure 2 for Figure 1 The image shows a cross-sectional view of the skin treatment device along the AA direction. This application provides a skin treatment device.

[0037] A skin treatment device is a device that regulates and improves the condition of the body and facial skin based on human physiological functions. Functionally, it can be used for whitening, skin rejuvenation, blemish removal, wrinkle reduction, and hair removal. Based on optics, different effects can be achieved by using light of specific wavelengths or different types of light to irradiate the skin. Examples include widely used intense pulsed light, LED light, and lasers.

[0038] For example, skin treatment devices include hair removal devices or skin rejuvenation devices.

[0039] The skin treatment device may include a housing 100, a light-emitting component 200, a cooling component 300, and a heat dissipation component 400.

[0040] The housing 100 has a light-emitting area 11. A light-emitting component 200 is disposed within the housing 100 and is used to generate light that is directed from the light-emitting area 11 onto the skin to be treated. A cooling component 300 is disposed at the light-emitting area 11 for applying a cooling compress to the skin. A heat dissipation component 400 is used to dissipate heat from the light-emitting component 200 and / or the cooling component 300.

[0041] Depending on the type of light emitted by the light-emitting component 200, skin treatment devices can be classified into different types. For example, the light-emitting component 200 can be used to generate laser light, which is a laser light source component, and the skin treatment device is a laser-type skin treatment device. Alternatively, the light-emitting component 200 can be used to generate IPL light (intense pulsed light), which is an IPL light source component (such as a xenon lamp component), and the skin treatment device is an intense pulsed light-type skin treatment device. Another example is that the light-emitting component 200 can be an LED light source component.

[0042] In this application, the following description mainly uses the light-emitting component 200 as an IPL light source component. The light-emitting principle of this type of skin treatment device is as follows: the capacitor is connected to the power supply, and the transformer component boosts the voltage to charge the capacitor. When the capacitor is charged to the preset value and the controller receives the trigger signal, the electrical energy in the capacitor is released. The instantaneous voltage can reach several hundred volts, thereby exciting the lamp tube to release strong pulse light instantly, thus completing one light emission.

[0043] In some embodiments, the light-emitting region 11 may be an opening structure such as a light-emitting port or light-emitting hole provided on the housing 100.

[0044] Optionally, the light-emitting area 11 can also be formed by some light-transmitting areas on the housing 100. For example, at least part of the housing 100 of the skin treatment device, such as the head shell, can be made of a light-transmitting material, and a light-shielding layer is provided in a local area of ​​the head shell to form the light-emitting area 11 in the area where the light-shielding layer is not provided on the head shell. This application embodiment does not limit this.

[0045] The heat dissipation assembly 400 includes a fan 41. The fan 41 has a first air vent 413, which is located on the side of the light-emitting assembly 200 away from the light-emitting area 11.

[0046] The housing 100 may also be provided with a flow splitting structure 42a, which is located at the first air outlet 413, so that the fan 41 can drive the first part of the airflow through one side of the flow splitting structure 42a to dissipate heat from the light-emitting component 200, and also so that the fan 41 can drive the second part of the airflow through the other side of the flow splitting structure 42a to dissipate heat from the cooling component 300.

[0047] For example, in this embodiment, the first air vent 413 can be an air outlet, so that the air blown by the fan 41 can be divided into a first part of air and a second part of air through the diversion structure 42a, thereby dissipating heat from the light-emitting component 200 and the cooling component 300 respectively, so that both the light-emitting component 200 and the cooling component 300 can be effectively cooled, thereby improving the overall heat dissipation effect of the skin treatment device. Of course, the first air vent 413 can also be the air inlet of the fan 41, and this embodiment does not limit this.

[0048] The fan 41 can be a centrifugal fan, a cross-flow fan, etc., and this application embodiment does not limit it.

[0049] For example, when the fan 41 is a centrifugal fan, the first air outlet 413 can be the air outlet or air inlet of the volute. The first air outlet 413 can also be the air outlet of the air duct assembly installed at the air outlet or air inlet of the volute, etc. This application embodiment does not limit this.

[0050] When the fan 41 is a centrifugal fan, the width direction of the first air outlet 413 can also be the thickness direction of the volute.

[0051] In some embodiments, the fan 41 is further provided with a third air outlet 414, one of the first air outlet 413 and the third air outlet 414 being the air inlet of the fan 41, and the other of the first air outlet 413 and the third air outlet 414 being the air outlet of the fan 41. Correspondingly, the housing 100 is further provided with a fourth air outlet 12, which is connected to the outside of the housing 100 and the third air outlet 414 respectively.

[0052] Taking the first air outlet 413 as an example, the fan 41 can first draw in the air outside the housing 100 through the third air outlet 414 and the fourth air outlet 12, and then the fan 41 will draw the air out from the first air outlet 413 and be diverted by the diversion structure 42a, thereby realizing the heat dissipation of the cooling component 300 and the light-emitting component 200.

[0053] For example, the fourth air outlet 12 may include the first housing air inlet 121, which is set to correspond to (e.g., face to face) the air inlet of the fan 41.

[0054] The fourth air outlet 12 may also include a second housing air inlet 122, which is located at one end of the housing 100 away from the light-emitting area 11.

[0055] The above is an overall example of the technical solution of the embodiment of this application. The technical solution of the embodiment of this application will be illustrated below with reference to the optional structure of the shunt structure 42a.

[0056] It is understood that the shunt structure 42a may be part of the heat dissipation assembly 400 or part of other components of the skin treatment device, and this application embodiment does not limit it in this respect.

[0057] For example, please continue to refer to Figure 3 and Figure 4 , Figure 3 for Figure 2 The diagram shows the installation positions of the light-emitting component, cooling component, and heat dissipation component of the skin treatment device. Figure 4 for Figure 2 A partial enlarged view at point X in the diagram. The heat dissipation assembly 400 may further include a heat spreader 42 and heat sinks 43 mounted on the heat spreader 42. One end of the heat spreader 42 is thermally connected to the cooling assembly 300; for example, one end of the heat spreader 42 may be directly attached to the cooling assembly 300 or attached to the cooling assembly 300 through a thermally conductive medium such as thermal grease, so that the heat at the cooling assembly 300 can be evenly transferred to all positions of the heat spreader 42, and then the heat sink 43 increases the contact area with the air to improve the heat dissipation efficiency of the cooling assembly 300. The other end of the heat spreader 42 is located at the first air vent 413 to form at least a partial air diversion structure 42a. Alternatively, it can be understood that the other end of the heat spreader 42 is located at the first air outlet 413, so that the fan 41 is used to drive the first part of the airflow through the side of the heat spreader 42 away from the heat sink 43 and the light-emitting component 200, thereby dissipating heat from the light-emitting component 200, and so that the fan 41 is used to drive the second part of the airflow through the heat sink 43, thereby dissipating heat from the cooling component 300.

[0058] Since the fan 41 drives the first part of the air and the second part of the air to flow through different sides of the heat exchange plate 42, the contact area between the heat exchange plate 42 and the cooling airflow is increased, thereby improving the heat dissipation efficiency of the heat exchange plate 42, which in turn improves the heat dissipation effect of the cooling assembly 300, and ultimately improves the overall heat dissipation effect of the skin treatment device.

[0059] It is also understood that the heat spreader 42 forms at least a partial flow diversion structure 42a, which means that the flow diversion structure 42a can be formed solely by the heat spreader 42, or it can be composed of the heat spreader 42 and its components. This application embodiment does not limit this.

[0060] Below, we will first give an overall description of the structure of the cooling component 300 in order to explain the principle of heat dissipation of the cooling component 300 by the heat spreader 42.

[0061] In some embodiments, the cooling compress component 300 is disposed at the light-emitting area 11. The cooling compress component 300 may be inserted through the light-emitting area 11 or disposed at the end face of the orifice of the light-emitting area 11.

[0062] For example, the cooling assembly 300 may include a first light guide component 31 and a cooling pad 32. The first light guide component 31 is disposed in the light emission region 11 to transmit light emitted by the light emission assembly 200. The cooling pad 32 is thermally connected to the first light guide component 31. For example, the cooling pad 32 may be directly attached to the first light guide component 31 or attached to the first light guide component 31 through a thermally conductive medium such as thermal grease.

[0063] Furthermore, the first light guide component 31 can be cooled by the cooling plate 32. After being cooled, the first light guide component 31 is exposed from the light-emitting area 11 and can come into contact with the skin. This allows the first light guide component 31 to not only transmit light from the light source 22 to care for the user's skin, but also to provide a cold compress to the user through the cooling plate 32.

[0064] Specifically, the refrigeration element 32, also known as a semiconductor refrigeration element, utilizes the Peltier effect of semiconductor materials. When direct current passes through a thermocouple composed of two different semiconductor materials connected in series, heat can be absorbed and released at the two ends of the thermocouple, thus achieving the purpose of cooling.

[0065] The first light guide component 31 can be made of sapphire or other light guide materials; this application embodiment does not limit this.

[0066] Optionally, the cooling compress assembly 300 may further include a cooling compress element (not shown) and a cooling pad 32, with the cooling compress element disposed on one side / peripheral of the light-emitting area 11. The cooling pad 32 is thermally connected to the cooling compress element; for example, the cooling pad 32 may be directly attached to the cooling compress element or attached to the cooling compress element through a thermally conductive medium such as thermally conductive silicone grease. Furthermore, the cooling pad 32 can cool the cooling compress element, and the cooled cooling compress element is exposed from one side / peripheral of the light-emitting area 11 so that it can come into contact with the skin to provide a cooling compress for the user.

[0067] For example, the cooling device could be a ring-shaped metal part surrounding the light-emitting area 11.

[0068] Therefore, the heat spreader 42 is thermally connected to the cooling assembly 300, which can be achieved by thermally connecting the heat spreader 42 to the cooling element 32. For example, the heat spreader 42 can be directly attached to the cooling element 32 or attached to the cooling element 32 through a thermally conductive medium such as thermal grease. This allows heat from the cooling element 32 to be evenly and rapidly transferred to all parts of the heat spreader 42. Then, the heat spreader 42 increases its contact area with the air through the heat sink 43, thereby achieving rapid heat dissipation.

[0069] Continuing with the example of the at least partially diverting airflow structure 42a formed by the heat spreader 42, the skin treatment device may further include a support assembly 500. The support assembly 500 is disposed inside the housing 100. The support assembly 500 and the heat spreader 42 form a first heat dissipation duct 51 and a second heat dissipation duct 52. The light-emitting component 200 is at least partially installed within the first heat dissipation duct 51, allowing a first portion of airflow to flow into the first heat dissipation duct 51 to dissipate heat from the light-emitting component 200. The heat sink 43 is disposed within the second heat dissipation duct 52, allowing a second portion of airflow to flow into the second heat dissipation duct 52 to dissipate heat from the cooling component 300. Therefore, by dissipating heat from both the light-emitting component 200 and the cooling component 300 respectively, the heat dissipation effect of both the light-emitting component 200 and the cooling component 300 can be guaranteed.

[0070] For example, one side of the heat spreader 42, such as the side facing away from the heat sink 43, forms a near-vent section of the first heat dissipation duct 51 with the support assembly 500. The near-vent section of the first heat dissipation duct 51 is connected to the first air outlet 413, so that the fan 41 can drive a first portion of airflow through the first heat dissipation duct 51 to dissipate heat from the light-emitting component 200. The other side of the heat spreader 42, such as the side near the heat sink 43, forms a near-vent section of the second heat dissipation duct 52 with the support assembly 500. The near-vent section of the second heat dissipation duct 52 is connected to the first air outlet 413, so that the fan 41 can drive a second portion of airflow through the second heat dissipation duct 52 to dissipate heat from the cooling component 300. Furthermore, by utilizing the near-air outlet section of the first heat dissipation air duct 51 and the near-air outlet section of the second heat dissipation air duct 52 formed on both sides of the heat dissipation plate, the first part of the air can dissipate heat on the light-emitting component 200, and at the same time dissipate heat on the heat dissipation plate 42, so as to reuse it for heat dissipation of the cooling component 300.

[0071] In some embodiments, the bracket assembly 500 may have corresponding slots and ribs inside for mounting the light-emitting assembly 200, the cooling assembly 300, and at least part of the heat dissipation assembly 400.

[0072] In some embodiments, the inner wall of the first heat dissipation duct 51 may be provided with a light-emitting part 53, which is located between the light-emitting component 200 and the light-emitting area 11 of the housing 100. The light-emitting part 53 is used to transmit the light generated by the light-emitting component 200 to the light-emitting area 11.

[0073] For example, the light-emitting part 53 can be a through hole, and the first light guide component 31 of the cooling assembly 300, such as the cooling assembly 300, passes through the light-emitting part 53, thereby sealing the light-emitting part 53.

[0074] Alternatively, the light-emitting part 53 can be a second light-guiding component. The second light-guiding component is disposed on the inner wall of the first heat dissipation duct 51 on the side facing the light-emitting area 11.

[0075] The second light guide component can be a heat-insulating light-transmitting component, thereby preventing the heat generated by the light-emitting component 200 from being directly transferred to the cooling component 300. Of course, the second light guide component may not be a heat-insulating light-transmitting component, and this application embodiment does not limit this.

[0076] Alternatively, the second light guide component may be a filter.

[0077] The support assembly 500 may also include a light filter component 54. The light filter component 54 may include a filter sheet, which transmits light with wavelengths between 560 nanometers and 1200 nanometers, thereby forming IPL (intense pulsed light) light within a specific wavelength range to irradiate the user's skin. In practical use, the light wavelength required for hair removal may be between 560 nanometers and 1200 nanometers, while the light wavelength required for skin rejuvenation may be between 640 nanometers and 1200 nanometers. This allows the skin care device to simultaneously perform both cooling and skin rejuvenation or hair removal functions. Of course, other functions can also be achieved through the arrangement of the light-emitting assembly 200, or the combination of the light-emitting assembly 200 and the filter sheet.

[0078] In some embodiments, by adjusting the type of filter, and by arranging the second light guide component, the filter component 54, and the first light guide component 31 sequentially away from the light-emitting assembly 200, the skin care device can simultaneously perform three functions: cold compress, skin rejuvenation, and hair removal.

[0079] In some embodiments, the skin treatment device further includes a support assembly 500, which is disposed within the housing 100. The support assembly 500 and the heat spreader 42 form a first heat dissipation duct 51 for the flow of a first portion of air. The light-emitting component 200 is at least partially disposed within the first heat dissipation duct 51, so that the first portion of airflow passes through the light-emitting component 200 to dissipate heat from it. The support assembly 500 may also include an isolation portion 55, which separates the light-emitting component 200 from the heat spreader 42.

[0080] It is understood that the heat spreader 42 may include a copper alloy heat spreader, a VC (Vapor Chamber) heat spreader, a stainless steel heat spreader, a graphene heat sink, etc., and this application embodiment does not limit this. These heat spreaders 42 are generally conductive. Therefore, the isolation part 55 can make the heat spreader 42 closer to the light-emitting component 200, thus making the skin treatment device thinner and lighter, and can also avoid leakage caused by the light-emitting component 200 and the heat spreader 42 being too close, thereby improving the reliability and safety of the skin treatment device.

[0081] The isolation part 55 can be made of insulating material, such as plastic, rubber, ceramic, or even an insulating layer, etc., and this application embodiment does not limit it.

[0082] In some embodiments, along the direction from the light-emitting component 200 toward the first air vent 413, the isolation portion 55 is shorter than the heat exchange plate 42 and is supported on the heat exchange plate 42. Furthermore, because the isolation portion 55 is shorter, on the one hand, the manufacturing difficulty of the support assembly 500 can be reduced, the manufacturing cost of the support assembly 500 can be reduced, and the overall weight of the skin treatment device can be reduced; on the other hand, more of the heat exchange plate 42 can be exposed, thereby increasing the contact area between the heat exchange plate 42 and the first part of the air, thereby improving the heat dissipation efficiency of the heat exchange plate 42, and ultimately improving the heat dissipation effect of the cooling assembly 300.

[0083] In some embodiments, the surface of the heat spreader 42 facing the light-emitting assembly 200 includes a shielding area 422 and an exposed area 423. The insulating portion 55 is supported on the shielding area 422. The minimum distance between the exposed area 423 and the light-emitting assembly 200 is greater than or equal to 6 mm, thereby preventing leakage caused by the heat spreader 42 being too close to the light-emitting assembly 200.

[0084] For example, the minimum distance between the exposed area 423 and the light-emitting component 200 can be 6 mm, 6.1 mm, 6.7 mm, 7.4 mm, 8 mm or 9 mm, etc., and this application embodiment does not limit this.

[0085] In some embodiments, the surface of the heat spreader 42 facing the light-emitting assembly 200 includes a shielding region 422 and an exposed region 423. The isolation portion 55 is supported on the shielding region 422. The exposed region 423 is a flat area for airflow guidance and heat dissipation. It is understood that since the exposed region 423 also forms the inner wall of the first heat dissipation duct 51, the flatness of the exposed region 423, compared to its unevenness, can effectively reduce the wind resistance when the first part of the air flows within the first heat dissipation duct 51.

[0086] Specifically, the minimum distance between the exposed area 423 and the light-emitting component 200 may be greater than or equal to 6 mm and the exposed area 423 may be a flat area; the minimum distance between the exposed area 423 and the light-emitting component 200 may be less than 6 mm and the exposed area 423 may be a flat area; or the minimum distance between the exposed area 423 and the light-emitting component 200 may be less than 6 mm and the surface of the exposed area 423 may have an uneven structure. This application embodiment does not limit this.

[0087] The following example illustrates the point further, using the example that the diversion structure 42a is at least partially formed by some other parts of the skin treatment device.

[0088] For example, please continue to refer to Figure 5 , Figure 5 for Figure 2 A schematic diagram of another diversion structure at point X is shown. The skin treatment device also includes a support assembly 500. The support assembly 500 is disposed inside the housing 100. The support assembly 500 is used to form a first heat dissipation duct 51 and a second heat dissipation duct 52. The first heat dissipation duct 51 is used to supply a first portion of airflow to dissipate heat from the light-emitting component 200, and the second heat dissipation duct 52 is used to supply a second portion of airflow to dissipate heat from the cooling component 300. A diversion section 56 is provided at one end of the support assembly 500 near the first air outlet 413 to form a diversion structure 42a, thereby isolating the first heat dissipation duct 51 from the air outlet of the fan 41 and the second heat dissipation duct 52 from the air outlet of the fan 41. Ultimately, by dissipating heat from the light-emitting component 200 and the cooling component 300 respectively, the heat dissipation effect of both the light-emitting component 200 and the cooling component 300 is guaranteed.

[0089] For example, the light-emitting component 200 is at least partially disposed within the first heat dissipation duct 51. Thus, the first portion of airflow flowing into the first heat dissipation duct 51 can dissipate heat from the light-emitting component 200.

[0090] The heat dissipation assembly 400 may further include a heat spreader 42 and heat sinks 43 mounted on the heat spreader 42. One end of the heat spreader 42 is thermally connected to the cooling assembly 300. Both the heat spreader 42 and the heat sinks 43 are at least partially disposed within the second heat dissipation duct 52; thus, after the second portion of airflow flows into the second heat dissipation duct 52, it can dissipate heat from the heat spreader 42 and the heat sinks 43, ultimately achieving heat dissipation for the cooling assembly 300.

[0091] In some embodiments, the light-emitting component 200 extends along the length of the first air outlet 413. Taking the first air outlet 413 as the air outlet of the fan 41 as an example, this allows the first portion of the air flowing out of the first air outlet 413 to be directly blown to more parts along the length of the light-emitting component 200, thereby improving the heat dissipation effect. At the same time, it also makes the internal structure of the skin treatment device simpler and more compact.

[0092] In some embodiments, the first portion of air and the second portion of air can flow out from different areas along the width direction of the first air outlet 413. Alternatively, the near-air outlet section of the first heat dissipation duct 51 (if the first air outlet 413 is an air outlet, then the near-air outlet section of the first heat dissipation duct 51 is its inlet section) and the near-air outlet section of the second heat dissipation duct 52 (if the first air outlet 413 is an air outlet, then the near-air outlet section of the second heat dissipation duct 52 is its inlet section) are respectively connected to different areas along the width direction of the first air outlet 413.

[0093] For example, the length of the light-emitting component 200 can be set to extend in the left-right direction, and the length of the first air vent 413 can also be set to extend in the left-right direction. The inlet of the first heat dissipation duct 51 is connected to the lower half of the first air vent 413, and the inlet of the second heat dissipation duct 52 is connected to the upper half of the first air vent 413.

[0094] Please continue to refer to this. Figure 6 , Figure 6 for Figure 1 Another cross-sectional view of the skin treatment device along the AA direction. The first heat dissipation duct 51 includes a mounting section 511 and a guide section 512 distributed along the direction of the light-emitting component 200 toward the first air outlet 413. The light-emitting component 200 is at least partially mounted on the mounting section 511. One end of the guide section 512 is located at the first air outlet 413 and communicates with the first air outlet 413, and the other end communicates with the mounting section 511. Thus, the first heat dissipation duct 51 and the fan 41 are connected. For example, a portion of the air flowing out of the first air outlet 413 can flow directly to the mounting section 511 via the guide section 512 to dissipate heat from the light-emitting component 200.

[0095] It is understandable that the near-air outlet section of the first heat dissipation air duct 51 is formed in the guide section 512.

[0096] It should be noted that the light-emitting component 200 is at least partially installed in the mounting section 511, or the light-emitting component 200 may be completely disposed within the mounting section 511. The light-emitting component 200 may be at least partially installed in the mounting section 511, or it may be partially disposed within the mounting section 511; for example, both ends of the light-emitting component 200 may pass through the inner wall of the mounting section 511, thereby partially disposing of the light-emitting component 200 outside the mounting section 511; or, the light-emitting component 200 may partially protrude into the guide section 512. This embodiment of the application does not limit this specific arrangement.

[0097] In some embodiments, at least a portion of the cross-sectional area of ​​the guide section 512 gradually increases along the direction from the first air vent 413 toward the light-emitting component 200.

[0098] Therefore, the guide section 512 can form a diffuser structure. When part of the airflow from the first air outlet 413 flows into the guide section 512, since the cross-sectional area of ​​a certain region within the guide section 512 gradually increases along the direction of airflow, compared to the cross-sectional area within the guide section 512 which remains unchanged or gradually decreases along the direction of airflow, the air resistance of the gas flowing within the guide section 512 will be smaller. This allows more airflow from the first air outlet 413 to flow smoothly into the guide section 512, thereby improving the heat dissipation effect on the light-emitting component 200.

[0099] In some embodiments, the width of the guide section 512 gradually increases in the width direction of the first air outlet 413. This facilitates, on the one hand, the cross-sectional area of ​​the guide section 512 gradually increases along the airflow direction, and on the other hand, increases the contact area between the first portion of the airflow and the light-emitting component 200. This, in turn, improves the heat dissipation effect of the first portion of the airflow on the light-emitting component 200.

[0100] In some embodiments, the inner wall of the guide section 512 includes a first inner sidewall 513 facing the diversion structure 42a and a second inner sidewall 514 opposite to the first inner sidewall 513. Along the direction from the first air outlet 413 toward the light-emitting assembly 200, at least one of the first inner sidewall 513 and the second inner sidewall 514 is inclined away from the other, such that the distance between the first inner sidewall 513 and the second inner sidewall 514 gradually increases.

[0101] Specifically, the first inner sidewall 513 and the second inner sidewall 514 may both be inclined in a direction away from each other, or one of the first inner sidewall 513 and the second inner sidewall 514 may be inclined in a direction away from the other. This application embodiment does not limit this.

[0102] It is also understood that the second inner wall 514 may be formed by the aforementioned diversion structure 42a, such as the heat spreader 42 and / or the diversion portion 56 of the support assembly 500. The second inner wall 514 may also be formed by the diversion structure 42a and other components. This application embodiment does not limit this.

[0103] In some embodiments, in the direction from the first inner wall 513 to the second inner wall 514, the width of the guide section 512 near the light-emitting component 200 is greater than or equal to the width of the light-emitting component 200. This ensures that the surface of the light-emitting component 200 facing the first air outlet 413 can be directly exposed to the first portion of the airflow from the fan 41, thereby increasing the heat dissipation area and improving the heat dissipation effect on the light-emitting component 200.

[0104] Please combine Figure 6 and Figure 7 , Figure 7 for Figure 6 The image shows a magnified view of point Y. A first anti-turbulence structure 515 is provided within the guide section 512 to limit turbulence within the guide section 512. This allows the first portion of the airflow to flow more smoothly from the guide section 512 into the installation section 511 for heat dissipation, or in other words, it allows the first portion of the airflow to have a faster velocity within the guide section 512, thereby improving the heat dissipation effect.

[0105] For example, the light-emitting component 200 includes a reflector 21 and a light source 22 disposed within the reflector 21.

[0106] The outer wall of the reflective component 21 includes a first curved surface that protrudes toward the guide section 512. The first anti-turbulence structure 515 is used to limit the turbulence formed between the first curved surface and the inner wall of the guide section 512.

[0107] Specifically, when the first part of the air blows towards the light-emitting component 200, it will be blocked by the first curved surface and partially return to the guide section 512. At this time, the first anti-turbulence structure 515 can prevent the airflow blocked by the first curved surface from forming turbulence with the airflow flowing from the fan 41 into the guide section 512, thereby making the first part of the airflow flow more smoothly in the first heat dissipation duct 51, so as to improve the flow rate and heat dissipation effect of the first part of the airflow.

[0108] In one embodiment, the light source 22 may include a lamp tube. The reflector 21 includes an arcuate portion 211 surrounding the lamp tube. The arcuate portion 211 is at least partially located on the side of the lamp tube near the guide section 512. One circumferential end of the arcuate portion 211 is adjacent to a first inner sidewall 513, and the other circumferential end of the arcuate portion 211 is adjacent to a second inner sidewall 514. The first inner sidewall 513 and / or the second inner sidewall 514 are provided with a first anti-turbulence structure 515.

[0109] Thus, the first anti-turbulence structure 515 can limit the wind turbulence that returns from the outer surface of the arcuate portion 211 to the first inner wall 513 and / or the second inner wall 514.

[0110] Specifically, the first anti-turbulence structure 515 may be provided only on the first inner sidewall 513, or only on the second inner sidewall 514, or both the first inner sidewall 513 and the second inner sidewall 514 may be provided with the first anti-turbulence structure 515. This application embodiment does not limit this.

[0111] In some embodiments, the first anti-turbulence structure 515 may be integrally formed with the corresponding first inner sidewall 513 or second inner sidewall 514. Of course, the first anti-turbulence structure 515 may also be separately formed from the corresponding first inner sidewall 513 or second inner sidewall 514. For example, the first anti-turbulence structure 515 may be detachably connected to the first inner sidewall 513 or second inner sidewall 514. This application embodiment does not limit this.

[0112] In some embodiments, the first anti-turbulence structure 515 includes a guide plate that extends along the first air outlet 413 toward the light-emitting component 200, so that the first inner wall 513 and / or the second inner wall 514 with the guide plate can guide the flowing air through the guide plate to limit the formation of turbulence at the first inner wall 513 and / or the second inner wall 514.

[0113] The number of guide vanes can be one or more. For example, the first anti-turbulence structure 515 may include multiple guide vanes, which are arranged at intervals along the length direction of the light-emitting assembly 200, such as the length direction of the lamp tube.

[0114] In some embodiments, the first anti-turbulence structure 515 includes a guide plate. The guide plate includes a first inclined surface 5151 and a second inclined surface 5152 disposed opposite to each other along the thickness direction. Along the direction from the first air outlet 413 toward the light-emitting component 200, the first inclined surface 5151 and the second inclined surface 5152 are inclined in a direction away from each other, so that the thickness of the guide plate at the end near the light-emitting component 200 is greater than the thickness of the end of the guide plate away from the light-emitting component 200. In simpler terms, the side of the guide plate facing the first air outlet 413 is sharper, thus forming a wind-breaking structure to reduce the wind resistance formed when the first part of the air blows over the guide plate, thereby improving the heat dissipation effect.

[0115] In some embodiments, the inner wall of the guide section 512 includes a first guide surface connected to the guide plate. The guide plate also includes a third inclined surface 5153. The third inclined surface 5153 is located on the side of the guide plate away from the first guide surface. Specifically, along the direction from the first air outlet 413 toward the light-emitting component 200, the third inclined surface 5153 is inclined away from the first guide surface, such that the height of the guide plate protruding from the first guide surface at the end near the light-emitting component 200 is greater than the height of the guide plate protruding from the first guide surface at the end away from the light-emitting component 200. In simpler terms, the side of the guide plate facing the first air outlet 413 is sharper, thus forming a wind-breaking structure to reduce the wind resistance formed when the first portion of the air blows across the guide plate, thereby improving the heat dissipation effect.

[0116] In some embodiments, the heat dissipation assembly 400 further includes a heat spreader 42 and a heat sink 43 mounted on the heat spreader 42, one end of which is thermally connected to the cooling assembly 300. Both the heat spreader 42 and the heat sink 43 are at least partially disposed within the second heat dissipation duct 52. Specifically, the end of the heat spreader 42 near the first air outlet 413 is deflected toward the side near the light-emitting assembly 200 to form a deflection section 421. The deflection section 421 extends to the first air outlet 413, such that the side of the deflection section 421 near the light-emitting assembly 200 forms at least a partial flow guide section 512 with the support assembly 500, and the side of the deflection section 421 away from the light-emitting assembly 200 forms the inlet section of the second heat dissipation duct 52 with the support assembly 500. Alternatively, the deflection section 421 extends to the first air outlet 413, such that the side of the deflection section 421 near the light-emitting component 200 forms at least a partial airflow guide section 512 with the bracket assembly 500, and the side of the deflection section 421 away from the light-emitting component 200 forms a near-air outlet section of the second heat dissipation air duct 52 with the bracket assembly 500.

[0117] For example, the light-emitting component 200 can be located below the heat spreader 42, that is, the lower surface of the heat spreader 42 forms the upper sidewall of the inner wall of the first heat dissipation duct 51, and the end of the heat spreader 42 near the first air outlet 413 is bent downward, so that the bent section 421 of the heat spreader 42 forms at least part of the second inner sidewall 514 of the guide section 512, thereby simplifying the structure of the bracket assembly 500 and reducing the molding difficulty of the bracket assembly 500.

[0118] Please continue to refer to this. Figure 8 , Figure 8 for Figure 2Another schematic diagram of the enlarged view at point X in the figure. In some embodiments, the heat sink 43 may include a near heat dissipation section 431 and a far heat dissipation section 432. The near heat dissipation section 431 is mounted on the deflection section 421. The far heat dissipation section 432 is connected to one end of the near heat dissipation section 431 near the light-emitting region 11. The width of the near heat dissipation section 431 is greater than the width of the far heat dissipation section 432, and the width of the heat sink 43 is the distance from the side of the heat sink 43 near the heat spreader 42 to the side away from the heat spreader 42.

[0119] The heat sink 43 includes a connecting side 433 mounted on the heat spreader 42 and a free side 434 away from the heat spreader 42. The width of the heat sink 43 is the distance from the connecting side 433 to the free side 434.

[0120] Therefore, considering that the deflection section 421 is deflected downwards, the space formed by the downward deflection of the deflection section 421 can be made more efficient, so that the heat dissipation section 431 can be made larger, thereby increasing the contact area between the heat sink 43 and the air, thus improving the heat dissipation effect. At the same time, it can also ensure that the overall structure of the skin treatment device is more compact and smaller in size.

[0121] For example, the heat sink 43 includes a connecting side 433 mounted on the heat exchange plate 42 and a free side 434 facing away from the heat exchange plate 42. In particular, along the direction of the light-emitting component 200 toward the first air outlet 413, the connecting side 433 and the free side 434 of the near heat dissipation section 431 are inclined in a direction away from each other, so that the width of the near heat dissipation section 431 gradually increases.

[0122] In some embodiments, the housing 100 includes a light-emitting section extending from the junction of the near-heat dissipation section 431 and the far-heat dissipation section 432 to the light-emitting region 11. The cross-sectional area of ​​the light-emitting section gradually decreases along the direction from the light-emitting assembly 200 toward the light-emitting region 11. This results in a smaller end face of the housing on the light-emitting region 11 side, facilitating accurate application of the light-emitting region 11 to the user's skin. Correspondingly, the height of the far-heat dissipation section 432 protruding from the heat spreader 42 is smaller, and the height of the near-heat dissipation section 431 protruding from the heat spreader 42 is correspondingly greater than the height of the far-heat dissipation section 432 protruding from the heat spreader 42.

[0123] In some embodiments, there are multiple heat sinks 43, each including a connecting side 433 mounted on the heat spreader 42 and a free side 434 facing away from the heat spreader 42. The free sides 434 of the multiple heat sinks 43 form a free side surface, which includes a wind-blocking area 435 near the first air vent 413 and a flow area 436 near the cooling assembly 300. The heat dissipation assembly 400 also includes a shielding portion 44 that shields the wind-blocking area 435, so that airflow between adjacent heat sinks 43 flows out or into the flow area 436 near the cooling assembly 300.

[0124] This allows the airflow within the second heat dissipation duct 52 to flow closer to the cooling component 300, thereby improving the heat dissipation effect on the cooling component 300. Furthermore, considering that the deflection section 421 near the first air vent 413 is deflected downwards, by providing the shielding part 44, it is possible to better prevent the deflection section 421 from directly drawing the air flowing out of the first air vent 413 out from the near-heat dissipation section 431.

[0125] In some embodiments, the shielding portion 44 at least shields the free side 434 of the near heat dissipation section 431. Therefore, by providing the shielding portion 44, the deflection section 421 can be prevented from directly leading the air flowing out of the first air outlet 413 out of the near heat dissipation section 431.

[0126] In some embodiments, the length of the blocking portion 44 along the direction from the first air vent 413 toward the light-emitting assembly 200 is more than one-third of the length of the heat sink 43. This allows airflow between adjacent heat sinks 43 to exit from the circulation area 436 near the cooling assembly 300.

[0127] Please continue to refer to this. Figure 9 , Figure 9 for Figure 2 The diagram shows a first type of shielding portion at the heat sink in the skin treatment device. In some embodiments, the shielding portion 44 may include a baffle plate 441, which covers the free sides 434 of the plurality of heat sinks 43.

[0128] Please continue to refer to this. Figure 10 , Figure 10 for Figure 2 The diagram shows a schematic of the first type of shielding portion at the heat sink in the skin treatment device. In some embodiments, the shielding portion 44 may include multiple folded edges 442, each folded edge 442 being bent and connected to the free side 434 of one of the heat sinks 43. Therefore, during manufacturing, the folded edge 442 can be directly formed on the free side 434 of the heat sink 43 through bending or turning processes, making the manufacturing of the heat sink 43 and the shielding portion 44 simpler and less costly.

[0129] Specifically, the shielding part 44 may include only one of the wind deflector 441 and the folded edge 442, or the shielding part 44 may include both the wind deflector 441 and the folded edge 442. This application embodiment does not limit this.

[0130] The housing 100 is also provided with a second air vent 13 that communicates with the outside of the housing 100. The second air vent 13 is located on the side of the heat sink 43 away from the heat spreader 42. The second air vent 13 is correspondingly provided with the shielding part 44 and communicates with the flow area 436.

[0131] Therefore, taking the first air outlet 413 as the air outlet of the fan 41 as an example, the second part of the air flowing out of the first air outlet 413 can be directly discharged from the second air outlet 13 after passing through the heat sink 43, so that the heat dissipation path of the second heat dissipation duct 52 is shorter and the flow rate is faster. On the other hand, since the second air outlet 13 is correspondingly set with the shielding part 44, it means that the second air outlet 13 is also farther away from the light emission area 11, which can prevent the hot air discharged from the second air outlet 13 from directly blowing onto the skin to be treated near the light emission area 11, thereby improving the user experience of the skin treatment device.

[0132] In some embodiments, a second anti-turbulence structure 45 is provided on the side of the heat sink 43 away from the heat spreader 42 to limit turbulence from forming on the side of the heat sink 43 away from the heat spreader 42.

[0133] For example, the second anti-turbulence structure 45 is located in the flow area 436 to limit the formation of turbulence by the wind flowing out of the flow area 436.

[0134] Understandably, since the height of the heat sink 43 gradually decreases from the near heat dissipation section 431 to the far heat dissipation section 432, or in other words, the space between the heat sink 43 gradually decreases, and the obstruction part 44 forces the second part of the airflow to flow to the far heat dissipation section 432 before it can exit, the flow area 436 in the far heat dissipation section 432 is prone to turbulence. At this time, by setting the second anti-turbulence structure 45, the airflow out of the flow area 436 can be made smoother, thereby improving the heat dissipation effect.

[0135] In some embodiments, each heat sink 43 is provided with a second anti-turbulence structure 45, thereby improving the heat dissipation effect by providing more second anti-turbulence structures 45. Of course, in some other embodiments, only one or some heat sinks 43 may be provided with a second anti-turbulence structure 45, and this application embodiment does not limit this.

[0136] In some embodiments, the second anti-turbulence structure 45 may include a plurality of teeth protruding from the side of the heat sink 43 away from the heat spreader 42. Furthermore, since the side of the heat sink 43 away from the heat spreader 42 is flat, the teeth can effectively limit the formation of turbulence in the flow area 436.

[0137] In some embodiments, the second anti-turbulence structure 45 may include a plurality of teeth, which are triangular in shape. Of course, in some other embodiments, the teeth may be of other shapes, and this application embodiment does not limit this.

[0138] In some embodiments, the second anti-turbulence structure 45 may be integrally formed with the heat sink 43. Of course, the second anti-turbulence structure 45 may also be separately formed from the heat sink 43. For example, the second anti-turbulence structure 45 may be detachably connected to the heat sink 43. This application embodiment does not limit this.

[0139] In some embodiments, the housing 100 further includes a second air vent 13 communicating with the outside of the housing 100. The second air vent 13 is located on the side of the heat sink 43 facing away from the heat spreader 42. The end of the first heat dissipation duct 51 away from the first air vent 413 communicates with the second air vent 13 to connect to the outside of the housing 100. The end of the second heat dissipation duct 52 away from the first air vent 413 communicates with the second air vent 13 to connect to the outside of the housing 100.

[0140] Please continue to refer to this. Figure 11 and Figure 12 , Figure 11 for Figure 2 The skin treatment device shown is a cross-sectional view along the BB direction. Figure 12 for Figure 2 The diagram shows a cross-sectional view of the heat dissipation assembly and the light emission assembly. In some embodiments, the housing 100 further includes a second vent 13 communicating with the outside of the housing 100. The second vent 13 is located on the side of the heat sink 43 facing away from the heat spreader 42. The inner wall of the housing 100 also has a third heat dissipation duct 57, one end of which is connected to the end of the first heat dissipation duct 51 away from the first vent 413. The other end of the third heat dissipation duct 57 and the end of the second heat dissipation duct 52 away from the first vent 413 are both connected to the second vent 13, forming a Bernoulli structure at the connection point.

[0141] So, taking the first air outlet 413 as the air outlet of the fan 41 as an example, when the fan 41 is running, the pressure at the outlet of the first air duct with the faster flow rate in the third heat dissipation air duct 57 and the second heat dissipation air duct 52 will be lower, thereby carrying out or sucking out the air in the second air duct, so as to increase the flow rate in the second air duct and thus improve the overall heat dissipation effect of the skin treatment device.

[0142] For example, when the fan 41 is running, the gas velocity in the second heat dissipation duct 52 may be greater than the gas velocity in the third heat dissipation duct 57. As a result, the air in the second heat dissipation duct 52 carries away the air in the third heat dissipation duct 57, which in turn indirectly carries away the air in the first heat dissipation duct 51.

[0143] In some embodiments, the outlet of the third heat dissipation duct 57 near the second air outlet 13 is located on the inner wall of the outlet end of the second heat dissipation duct 52, thereby facilitating the air in the second heat dissipation duct 52 to carry the air out of the third heat dissipation duct 57.

[0144] In some embodiments, the second heat dissipation duct 52 extends from the first air outlet 413 to the second air outlet 13. A heat sink 43 is disposed within the second heat dissipation duct 52, and both the first air outlet 413 and the second air outlet 13 are adjacent to the heat sink 43, thus making the second heat dissipation duct 52 relatively short. The first heat dissipation duct 51 is located on the side of the heat spreader 42 away from the second air outlet 13, so that the total length of the flow path of the first portion of air within the first heat dissipation duct 51 and the third heat dissipation duct 57 is greater than the total length of the flow path of the second portion of air within the second heat dissipation duct 52.

[0145] Please continue to refer to this. Figure 13 , Figure 13 for Figure 1 Another cross-sectional view of the skin treatment device shown. The third heat dissipation duct 57 may include a diffuser cavity 571 and a connecting section 572. The diffuser cavity 571 is connected to the mounting section 511 through a mounting port 516 (that is, the diffuser cavity 571 is connected to the mounting section 511 through the gap vent 212 and the end vent 214 described below), and one end of the diffuser cavity 571 extends away from the light emission area 11. The connecting section 572 is located on the side of the diffuser cavity 571 near the second vent 13. One end of the connecting section 572 is connected to the end of the diffuser cavity 571 away from the light emission area 11, and the other end of the connecting section 572 is connected to the inner wall of the end of the second heat dissipation duct 52 near the second vent 13, so that both the first heat dissipation duct 51 and the second heat dissipation duct 52 are connected to the second vent 13 and a Bernoulli structure is formed at the connection.

[0146] By setting up the diffuser chamber 571, the air that blows over the lamp tube and reflector 21 can enter a larger space after passing through the mounting port 516 (i.e., the gap vent 212 and end vent 214 mentioned below), thereby reducing wind resistance and allowing the air that blows over the lamp tube and reflector 21 to pass through the gap vent 212 and end vent 214 more smoothly into the diffuser chamber 571, thus improving heat dissipation efficiency.

[0147] In some embodiments, the cross-sectional area of ​​the diffuser cavity 571 can be gradually reduced along the direction away from the light-emitting region 11, thereby making the gas flow rate in the diffuser cavity 571 faster, so as to improve the heat dissipation effect on the light-emitting component 200.

[0148] Correspondingly, the circuit board 61 can form part of the inner wall of the diffuser cavity 571 or be partially disposed within the diffuser cavity 571, so that the conductive support 62 is disposed within the diffuser cavity 571.

[0149] Therefore, since the total length of the first part of the airflow within the first heat dissipation duct 51 and the second heat dissipation duct 52 is relatively large, the airflow velocity of the first part of the airflow will be relatively slow. As a result, the airflow within the second heat dissipation duct 52 carries out the airflow within the third heat dissipation duct 57, and ultimately the airflow within the second heat dissipation duct 52 indirectly carries out the airflow within the first heat dissipation duct 51.

[0150] Of course, in combination with the above-mentioned second heat dissipation air duct 52, the height of the heat sink 43 gradually decreases from the near heat dissipation section 431 to the far heat dissipation section 432. So when the air intake of the second heat dissipation air duct 52 is constant, the air velocity at the outlet of the second heat dissipation air duct 52 will also be faster. Thus, the air in the second heat dissipation air duct 52 carries out the air in the third heat dissipation air duct 57, and finally the air in the second heat dissipation air duct 52 indirectly carries out the air in the first heat dissipation air duct 51.

[0151] In some implementations, the air intake at the inlet of the first heat dissipation duct 51 is less than the air intake at the inlet of the second heat dissipation duct 52. In other words, the air intake at the end of the first heat dissipation duct 51 connected to the first air outlet 413 is less than the air intake at the end of the second heat dissipation duct 52 connected to the first air outlet 413. This allows the air velocity at the outlet of the second heat dissipation duct 52 to be greater, thereby allowing the air in the second heat dissipation duct 52 to carry out the air in the third heat dissipation duct 57, and ultimately allowing the air in the second heat dissipation duct 52 to indirectly carry out the air in the first heat dissipation duct 51.

[0152] More importantly, to ensure the cooling effect of the cooling assembly 300 and achieve a freezing point cooling effect, the heat generated by the cooling element 32 needs to be dissipated in a timely and rapid manner. This requires ensuring that the second heat dissipation duct 52 has sufficient airflow and velocity to promptly and quickly remove the heat generated by the cooling element 32 through the heat sink 43 and the heat spreader 42. In other words, this application optimizes the fan airflow by making the airflow at the inlet of the first heat dissipation duct 51 less than that at the inlet of the second heat dissipation duct 52, thereby enabling the timely and rapid removal of the heat generated by the cooling element 32 through the heat sink 43 and the heat spreader 42. This improves the cooling effect of the cooling assembly 300, achieving freezing point cooling, such as rapidly reducing the cooling temperature of the cooling assembly 300 to zero degrees or below (e.g., -5 degrees Celsius).

[0153] For example, the end of the first heat dissipation duct 51 near the first air outlet 413 is the air inlet of the first heat dissipation duct 51, and the end of the first heat dissipation duct 51 near the first air outlet 413 is the air inlet of the second heat dissipation duct 52; wherein, the area of ​​the area corresponding to the air inlet of the first air outlet 413 and the air inlet of the first heat dissipation duct 51 is smaller than the area of ​​the area corresponding to the air inlet of the first air outlet 413 and the air inlet of the second heat dissipation duct 52, so that the air intake of the first heat dissipation duct 51 is smaller than the air intake of the second heat dissipation duct 52.

[0154] Specifically, the first air vent 413 includes a first side 411 near the first heat dissipation duct 51 and a second side 412 near the second heat dissipation duct 52, with the first side 411 and the second side 412 arranged opposite to each other. The distance from the diversion structure 42a to the first side 411 is less than the distance to the second side 412, or in other words, the distance from the end of the deflection section 421 near the first air vent 413 to the first side 411 is less than the distance to the second side 412. Therefore, the airflow at the inlet of the first heat dissipation duct 51 is less than the airflow at the inlet of the second heat dissipation duct 52.

[0155] Please combine Figures 12 to 15 , Figure 14 for Figure 2 The skin treatment device shown is a cross-sectional view along the CC direction. Figure 15 for Figure 14 A partial enlarged view at point Z in the diagram. In some embodiments, the inner wall of the first heat dissipation duct 51 is provided with a mounting port 516. The light-emitting component 200 is mounted in the first heat dissipation duct 51 through the mounting port 516, forming a gap vent 212 with the inner wall of the mounting port 516. The light-emitting component 200 includes a reflector 21 and a light source 22. The light source 22 is disposed in the reflector 21. The reflector 21 has a side vent 213 on its periphery, which communicates with the first heat dissipation duct 51, and an end vent 214 is also provided at the end of the reflector 21.

[0156] Therefore, taking the first air outlet 413 as the air outlet of the fan 41 as an example, part of the air in the first heat dissipation duct 51 can be blown directly onto the surface of the reflective component 21, and another part can be blown into the reflective component 21 to increase the heat dissipation area of ​​the light-emitting component 200, thereby improving the heat dissipation effect of the light-emitting component 200.

[0157] In some embodiments, the mounting port 516 is connected to the end of the third heat dissipation duct 57 near the first heat dissipation duct 51, and the end of the third heat dissipation duct 57 away from the first heat dissipation duct 51 is connected to the end of the second heat dissipation duct 52 away from the first air outlet 413. The end air outlet 214 is connected to either the mounting port 516 or the third heat dissipation duct 57.

[0158] Thus, taking the first air outlet 413 as the air outlet of the fan 41 as an example, a portion of the air in the first heat dissipation duct 51 is directly blown onto the surface of the reflective component 21 and then discharged sequentially through the gap air outlet 212, the third heat dissipation channel, the outlet end of the second heat dissipation channel, and the second air outlet 13; another portion of the air in the first heat dissipation duct 51 is directly blown into the interior of the reflective component 21 through the side air outlet 213 and then discharged sequentially through the end air outlet 214, the third heat dissipation duct 57, the outlet end of the second heat dissipation duct 52, and the second air outlet 13.

[0159] In some embodiments, the end vent 214 and the gap vent 212 are arranged adjacent to each other to form a Bernoulli structure.

[0160] For example, the light source 22 includes a lamp tube. A reflector 21 is disposed on the outer periphery of the lamp tube. Along the length of the lamp tube, the end of the reflector 21 passes through the mounting opening 516, and the outer wall of the reflector 21 and the inner wall of the mounting opening 516 form a gap vent 212. Along the length of the lamp tube, the inner wall of the reflector 21 and the lamp tube form an end vent 214, such that the gap vent 212 and the end vent 214 form a Bernoulli structure.

[0161] So, taking the first air outlet 413 as the air outlet of the fan 41 as an example, when the fan 41 is running, the pressure at the outlet with the faster flow rate between the end air outlet 214 and the gap air outlet 212 will be lower, thereby carrying out or drawing out the air in the flow channel corresponding to the other outlet, thus improving the overall heat dissipation effect of the skin treatment device.

[0162] Specifically, since the flow path of the air flowing into the reflective component 21 is more tortuous and longer, when the fan 41 is running, the airflow velocity from the outside of the reflective component 21 to the gap air outlet 212 will be greater than the airflow velocity at the end air outlet 214, thereby carrying the air inside the reflective component 21 out.

[0163] Therefore, by combining the outlet of the second heat dissipation duct 52 and the outlet of the third heat dissipation duct 57 to form another Bernoulli structure, the skin treatment device in this embodiment can improve the airflow speed inside the reflective component 21 through the double Bernoulli structure, thereby improving the heat dissipation effect.

[0164] In some embodiments, the number of gap vents 212 may be one or more. For example, the inner wall of the mounting port 516 may have at least one protrusion that abuts against the outer wall of the reflective component 21, thereby separating the inner wall of the mounting port 516 from the outer wall of the reflective component 21 to form multiple or at least two gap vents 212.

[0165] In some embodiments, the light-emitting area 11 and the first air vent 413 are located on different sides of the lamp tube circumference and are arranged opposite to each other.

[0166] For example, the light-emitting area 11 can be located in front of the lamp tube, and the first air vent 413 can be located in front of the lamp tube.

[0167] In some embodiments, the two sides of the reflective component 21 in the circumferential direction form openings facing the light-emitting area 11 to concentrate the light generated by the lamp tube toward the light-emitting area 11, wherein at least one side of the reflective component 21 in the circumferential direction is provided with a side air vent 213.

[0168] For example, both sides of the reflective component 21 can face forward, thus forming a forward opening. In this case, the upper and lower sides of the front side of the reflective component 21 can be provided with side air vents 213.

[0169] Specifically, the reflective component 21 can be a reflector cup.

[0170] The aforementioned airflow guide section 512 includes a first inner sidewall 513 and a second inner sidewall 514. One circumferential side of the reflective component 21 is adjacent to the first inner sidewall 513, thereby directing a portion of the airflow to the adjacent side air vent 213. The other circumferential side of the reflective component 21 is adjacent to the second inner sidewall 514, thereby directing a portion of the airflow to the adjacent side air vent 213.

[0171] In some embodiments, the inner wall of the first heat dissipation duct 51 is provided with a mounting port 516 at at least one end along the length of the lamp tube. The mounting ports 516 located on different sides along the length of the lamp tube are connected to the second heat dissipation duct 52 through different third heat dissipation ducts 57.

[0172] For example, if the length of the lamp tube is in the left-right direction, then the left and right walls of the inner wall of the first heat dissipation duct 51 can each be provided with an installation port 516, and each installation port 516 is matched with a third heat dissipation duct 57.

[0173] Please continue to combine Figure 16 , Figure 16 for Figure 2 The diagram shows a first type of circuit board assembly for the skin treatment device. In some embodiments, the skin treatment device further includes a circuit board assembly 600, which includes a circuit board 61 and a conductive support 62. The circuit board 61 is disposed within the housing 100. The conductive support 62 is mounted on the circuit board 61.

[0174] Correspondingly, the light-emitting component 200 includes a light source 22, which is mounted on a conductive bracket 62 to support the conductive bracket 62 and form an electrical connection with the circuit board 61.

[0175] For example, the light-emitting assembly 200 may include a lamp tube, the end of which is connected to a conductive bracket 62 so that the lamp tube is supported on the circuit board 61 and electrically connected to the circuit board 61.

[0176] In some embodiments, the circuit board 61 and the bracket assembly 500 form a third heat dissipation duct 57, and the conductive bracket 62 is located inside the third heat dissipation duct 57, thereby making full use of the third heat dissipation duct 57 to install and fix the lamp tube, so that the overall structure of the skin treatment device is more compact.

[0177] In some embodiments, the number of light sources 22, such as lamps, is at least two, and the at least two light sources 22 are spaced apart.

[0178] Furthermore, the skincare effect of the device can be improved by using multiple light sources 22. For example, the multiple light sources 22 can be switched on and off synchronously, allowing the light source 22 components to perform skincare at a higher maximum power, thereby improving the skincare effect of the device; or, different light sources 22 can emit light individually or in combination, allowing the light source 22 components to have at least three light emission modes, so that they can be adjusted to a more suitable light emission mode according to the user's actual needs, thereby improving the skincare effect of the device.

[0179] Taking the synchronous switching of multiple light sources 22 as an example, the first end of all light sources 22 can be installed on the same conductive bracket 62 to be electrically connected to the circuit board 61, and the second end of all light sources 22 can be installed on another conductive bracket 62 to be electrically connected to the circuit board 61.

[0180] Specifically, the light source 22, such as a lamp tube, can have one end as the positive electrode and the other end as the negative electrode, or vice versa. This can also be understood as all the positive electrodes of the light sources 22 being electrically connected to the circuit board 61 through the same conductive bracket 62, and all the negative electrodes of the light sources 22 being electrically connected to the circuit board 61 through another conductive bracket 62. This makes the current transmission between the circuit board 61 and all the light sources 22 more consistent, thereby improving the consistency of light emission from all the light sources 22 and ultimately enhancing the skincare effect of the device.

[0181] The following will continue to explain and illustrate the technical solutions of the embodiments of this application by taking different light sources 22 as examples of emitting light individually or in combination.

[0182] Please continue to refer to this. Figure 17 , Figure 17 for Figure 2The diagram shows a second type of circuit board assembly for the skin treatment device. At least two light sources 22 may include a first light source 221 and a second light source 222. Therefore, at least three different light emission modes can be achieved through the first light source 221 and the second light source 222. Of course, the number of light sources 22 can also be three, four, five, or six, in which case the first light source 221 and the second light source 222 can be any two of the multiple light sources 22; this embodiment does not limit this.

[0183] The conductive support 62 includes a first conductive support 621, a second conductive support 622, and a third conductive support 623. The positive terminals of both the first light source 221 and the second light source 222 are electrically connected to the third conductive support 623. The negative terminal of the first light source 221 is electrically connected to the first conductive support 621, and the negative terminal of the second light source 222 is electrically connected to the second conductive support 622.

[0184] Therefore, the third conductive support 623 can also be understood as a common positive electrode, thereby reducing the number of conductive supports 62 required between the light source 22 and the circuit board 61, simplifying the structure of the skin care device, and reducing the assembly difficulty and production cost of the skin care device.

[0185] Here, it can also be understood that the circuit board 61, the third conductive bracket 623, the first light source 221, and the bracket of the first conductive bracket 621 form a first circuit, and the circuit board 61, the third conductive bracket 623, the second light source 222, and the bracket of the second conductive bracket 622 form a second circuit. Therefore, by setting a switch at the corresponding position of the first conductive bracket 621 and another switch at the corresponding position of the second conductive bracket 622, independent control of the first light source 221 and the second light source 222 can be achieved.

[0186] Alternatively, the conductive support 62 may include a first conductive support 621, a second conductive support 622, and a third conductive support 623. The negative terminals of both the first light source 221 and the second light source 222 are electrically connected to the third conductive support 623, the positive terminal of the first light source 221 is electrically connected to the first conductive support 621, and the positive terminal of the second light source 222 is electrically connected to the second conductive support 622.

[0187] Therefore, the third conductive bracket 623 can also be understood as a common negative electrode, thereby reducing the number of conductive brackets 62 required between the light source 22 and the circuit board 61, simplifying the structure of the skin care device, and reducing the assembly difficulty and production cost of the skin care device.

[0188] Here, it can also be understood that the circuit board 61, the third conductive bracket 623, the first light source 221, and the bracket of the first conductive bracket 621 form a first circuit, and the circuit board 61, the third conductive bracket 623, the second light source 222, and the bracket of the second conductive bracket 622 form a second circuit. Therefore, by setting a switch at the corresponding position of the first conductive bracket 621 and another switch at the corresponding position of the second conductive bracket 622, independent control of the first light source 221 and the second light source 222 can be achieved.

[0189] Please continue to refer to this. Figure 18 , Figure 18 for Figure 2 The diagram shows a third type of circuit board assembly for the skin treatment device. Of course, in some other embodiments, there are multiple conductive supports 62. Different light sources 22 are mounted on the circuit board 61 via different conductive supports 62. This ensures that if any conductive support 62 falls off or is damaged, the remaining conductive supports 62 can still supply power to the corresponding light source 22, guaranteeing the normal operation of the other light sources 22 in the skin care device. More importantly, this arrangement can increase the light output power (e.g., hair removal power) and / or the diversity of light output functions (e.g., hair removal function diversity). That is, by providing at least two light sources 22, each mounted and fixed on the circuit board 61 via different conductive supports 62, multiple light sources 22 can be turned on simultaneously when increased hair removal power is needed, and only one light source 22 can be turned on when not needed; or at least two lamps of the at least two light sources 22 can alternately emit light, thereby increasing the light output power while reducing or not increasing the loss of a single light source 22.

[0190] In some embodiments, the light-emitting assembly 200 further includes a reflector 21, which is arranged around the lamp tube. The reflector 21 is electrically connected to the circuit board 61, and the distance between the reflector 21 and the lamp tube is less than a preset distance, so that the reflector 21 can excite the lamp tube.

[0191] For example, the lamp tube can be a xenon lamp tube. The two ends or poles of the xenon lamp tube are electrically connected to the circuit board 61 through the conductive bracket 62. At this time, the circuit board 61 can excite or trigger the lamp tube through the reflective component 21. Thus, by reusing the reflective component 21, the number of parts of the skin treatment device can be reduced, so that the skin treatment device can be more compact.

[0192] In some implementations, the preset distance can be less than or equal to 2 millimeters. For example, the distance between the reflector 21 and the lamp tube can be 2 millimeters, 1.4 millimeters, 0.5 millimeters, or 0 millimeters. Of course, when the distance between the reflector 21 and the lamp tube is 0 millimeters, it can also be understood that the reflector 21 and the lamp tube are in direct contact.

[0193] Optionally, in some embodiments, the surface of the lamp tube may be wound with wires (such as filaments), and the wires may be electrically connected to the circuit board 61 to excite the lamp tube. This application embodiment does not limit this.

[0194] In some embodiments, the circuit board assembly 600 further includes an isolator 63. The isolator 63 is sleeved on at least one of the lamp tube and the conductive support 62, separating the reflector 21 from the conductive support 62. The isolator 63 is spaced apart from the mounting opening 516 to form an air outlet gap. Thus, the isolator 63 prevents leakage between the reflector 21 used to activate the lamp tube and the conductive support 62, thereby improving the reliability and safety of the skin treatment device.

[0195] The insulating element 63 can be made of insulating material, such as plastic, rubber, ceramic, etc., and this application embodiment does not limit it.

[0196] like Figure 13 As shown, in some embodiments, the light-emitting assembly 200 includes a lamp tube. The lamp tube is mounted on the mounting section 511; the inner wall of the guide section 512 further includes a third inner sidewall 517 and a fourth inner sidewall 518, both of which are connected between the first inner sidewall 513 and the second inner sidewall 514. The third inner sidewall 517 and the fourth inner sidewall 518 are located at different ends along the length of the lamp tube. Specifically, along the direction from the first air vent 413 toward the light-emitting assembly 200, at least one of the third inner sidewall 517 and the fourth inner sidewall 518 is inclined toward the other, so that a first portion of the airflow is guided toward the light-emitting assembly 200.

[0197] Understandably, in actual operation, the main heat of the lamp tube is concentrated in the middle part along the length of the lamp tube. Therefore, taking the first air outlet 413 as the air outlet of the fan 41 as an example, the first part of the air can be concentrated in the middle of the lamp tube through the third inner wall 517 and the fourth inner wall 518, thereby achieving a better heat dissipation effect.

[0198] For example, in the length direction of the lamp tube, the length of the guide section 512 near the light-emitting component 200 is less than the length of the lamp tube, thereby concentrating the first part of the airflow to the middle of the lamp tube through the third inner wall 517 and the fourth inner wall 518.

[0199] In some embodiments, the support assembly 500 further includes at least one third heat dissipation duct 57. The third heat dissipation duct 57 is provided on the side of the third inner sidewall 517 opposite to the fourth inner sidewall 518 and / or on the side of the fourth inner sidewall 518 opposite to the third inner sidewall 517. The third heat dissipation duct 57 extends from the first inner sidewall 513 toward the second inner sidewall 514. One end of the third heat dissipation duct 57 communicates with the outlet end of the first heat dissipation duct 51. The other end of the third heat dissipation duct 57 communicates with the second heat dissipation duct 52.

[0200] Therefore, the third heat dissipation duct 57 can be arranged by making full use of the clearance space formed by the inward inclination of the third inner wall 517 and / or the fourth inner wall 518, so that the overall structure of the skin treatment device is more compact.

[0201] Furthermore, since the third inner wall 517 and the fourth inner wall 518 are inclined inward, the width of the third heat dissipation duct 57 can gradually decrease along the direction of the light-emitting component 200 toward the first air vent 413, thereby achieving the effect of pressurizing and accelerating the airflow.

[0202] Please continue to refer to this. Figure 19 , Figure 19 for Figure 2 This is a schematic diagram of the IGBT device in the skin treatment apparatus. In some embodiments, the circuit board assembly 600 may further include an IGBT device 64. The IGBT device 64 is mounted on the circuit board 61. The angle between one surface of the IGBT device 64 in the thickness direction and the circuit board 61 is greater than or equal to 45° and less than or equal to 90°.

[0203] For example, the angle between one surface of the IGBT device 64 in the thickness direction and the circuit board 61 can be 45°, 49°, 57.8°, 66.9°, 75.4°, 85° or 90°, and this application embodiment does not limit this.

[0204] Therefore, compared to the IGBT device 64 having one side surface in the thickness direction that is tightly attached to the circuit board 61, the embodiment of this application creates a larger gap between the IGBT device 64 and the circuit board 61, thereby increasing the contact area between the IGBT device 64 and the air, and ultimately improving the heat dissipation effect of the IGBT device 64.

[0205] For example, the IGBT device 64 is mounted vertically on the circuit board 61. This results in an angle of approximately 90° between one surface of the IGBT device 64 in the thickness direction and the circuit board 61.

[0206] In some embodiments, the fan 41 is used to drive air inside the housing to flow out of the air outlet on the housing 100 along a predetermined path. The IGBT device 64 is at least partially located along the predetermined path. Thus, the fan 41 can further improve the heat dissipation effect of the IGBT device 64.

[0207] For example, a fan 41 can be mounted on a circuit board 61. An IGBT device 64 is positioned close to the fan 41. The air inlet of the fan 41 can then draw in surrounding air, creating at least a partial predetermined path in the space surrounding the fan 41. Correspondingly, the IGBT device 64 is at least partially mounted on this predetermined path by being positioned close to the fan 41.

[0208] In some embodiments, the circuit board 61 is disposed along the length of the housing 100. The circuit board 61 has a first side edge and a second side edge extending along the length direction, and the IGBT device 64 is located between the fan 41 and the first side edge, with the IGBT device 64 disposed adjacent to the first side edge.

[0209] Therefore, the first and second side edges can be either two surfaces close to the width direction of the housing 100, or two surfaces close to the thickness direction of the housing. Furthermore, since the IGBT device 64 is positioned close to the first side edge, the space between the fan 41 and the first side edge can be utilized effectively to install the IGBT device 64, thus facilitating the miniaturization design of the skin treatment device.

[0210] At this point, by continuing to combine the above-mentioned IGBT device 64 with the fan 41 being positioned close to it, and by the fact that the IGBT device 64 can be installed vertically, the IGBT device 64 and the fan 41 can be roughly at the same height. This allows for the reasonable use of the space along the thickness direction of the housing 100 on the side of the fan 41 facing the first side edge, which is beneficial for the miniaturization design of the skin treatment device.

[0211] In some embodiments, the thickness-direction side surface of the IGBT device 64 may face the fan 41. It is understood that since the fan 41 is relatively large, it occupies a correspondingly large space along the length of the housing 100. In this case, by having the thickness-direction side surface of the IGBT device 64 face the fan 41, the space along the length of the housing 100 on the side of the fan 41 facing the first side edge can be utilized more effectively, thereby facilitating the miniaturization design of the skin treatment device.

[0212] Please continue to combine Figure 20 , Figure 20 for Figure 2The diagram shows another possible structure of the fan in the skin treatment device. In some embodiments, the fan 41 can be tilted relative to the circuit board 61. Therefore, taking the fan 41 mounted on the upper side of the circuit board 61 as an example, it means that there can be a larger heat dissipation gap between the bottom of the fan 41 and the circuit board 61, thereby allowing more area on the upper surface of the circuit board 61 to be used for heat dissipation, wiring, or mounting electronic components, which is beneficial for the miniaturization design of the skin treatment device.

[0213] In some embodiments, the number of air inlets or third air outlets 414 of the fan 41 is at least two. The fan 41 has a third air outlet 414 on the side away from the circuit board 61 and a third air outlet 414 on the side of the fan 41 close to the circuit board 61, thereby increasing the air intake of the fan 41 and thus improving the heat dissipation effect.

[0214] Please continue to refer to this. Figure 21 and Figure 22 , Figure 21 for Figure 1 A schematic diagram of the skin treatment device from another perspective. Figure 22 for Figure 21 The diagram shows a cross-sectional view of the skin treatment device along the DD direction. In some embodiments, the housing 100 further includes a first display area 16, which has multiple indicator formats. The skin treatment device also includes a first light source assembly 613. The first light source assembly 613 is disposed within the housing 100 and is used to generate light emitted from the first display area 16 to display the status of the skin treatment device. Specifically, the first light source assembly 613 is configured to indicate whether the skin treatment device is in contact with the skin by turning on and off, and is configured to display the setting information of the skin treatment device through the indicator formats displayed in the first display area 16. This facilitates user observation of the usage status of the skin treatment device, improving the user experience. Furthermore, the number of light source assemblies in the skin treatment device can be reduced, thereby lowering the cost of the skin treatment device.

[0215] In some embodiments, the skin treatment device may also include a hair removal power control circuit for controlling the power of the light-emitting component 200, or the setting of the skin treatment device. The hair removal power control circuit is also electrically connected to the first light source component 613, so that the first light source component 613 can be configured to display the setting information of the skin treatment device through an indication displayed in the first display area 16.

[0216] In some embodiments, the skin treatment device may further include a hair removal power control circuit for controlling the power of the light-emitting assembly 200, or the setting of the skin treatment device. The hair removal power control circuit is also electrically connected to the first light source assembly 613, so that the first light source assembly 613 can be configured to display the setting information of the skin treatment device via an indicator displayed in the first display area 16.

[0217] In some embodiments, the skin treatment device may further include an adhesion detection circuit. The adhesion detection circuit is used to detect whether the light-emitting area 11 is in contact with the skin. For example, the adhesion detection circuit includes a sensor for determining whether the light-emitting area 11 is in contact with the skin. The sensor may be an electrode pad, a proximity sensor, a microswitch, an ultrasonic sensor, etc., and this application embodiment does not limit this to any particular type.

[0218] In some embodiments, the first display area 16 includes a plurality of first sub-display areas 161. The first light source assembly 613 includes a plurality of light-emitting devices. The first light source assembly 613 is used to illuminate different numbers of first sub-display areas 161 by emitting light through different numbers of light-emitting devices, so that the first display area 16 displays different indication forms.

[0219] For example, the housing 100 may have a length direction, and multiple first sub-display areas 161 are arranged along the length direction of the housing 100. Multiple light-emitting devices are also arranged along the length direction of the housing 100, and each first sub-display area 161 is corresponding to one or more light-emitting devices. Then, by controlling the light emission of different light-emitting devices along the length direction of the housing 100, different numbers of first sub-display areas 161 can be lit, thereby making the first display areas 16 display different indication forms.

[0220] In some embodiments, at least two functions can be indicated by the display of the first display area 16, such as indicating whether the light-emitting area 11 is in contact with the skin, and indicating the level information; that is, the first function (such as whether it is in contact with the skin) can be indicated by the brightness of the first display area 16, and the second function (level) can be indicated by the display area / number / ratio of the first display area 16.

[0221] For example, when the light-emitting area 11 is in contact with the skin and the skin treatment device is in position one, one first sub-display area 161 can be illuminated, causing the first display area 16 to display the first type of indication. When the light-emitting area 11 is in contact with the skin and the skin treatment device is in position two, two first sub-display areas 161 can be illuminated, causing the first display area 16 to display the second type of indication. When the light-emitting area 11 is in contact with the skin and the skin treatment device is in position three, three first sub-display areas 161 can be illuminated, causing the first display area 16 to display the third type of indication. However, when the light-emitting area 11 is not in contact with the skin, all first sub-display areas 161 are off, meaning the first display area 16 is off, indicating that it is not in contact with the skin.

[0222] Alternatively, multiple first sub-display areas 161 can be arranged in any direction along the circumferential direction or other curved directions, but this application embodiment does not limit this.

[0223] In some embodiments, the skin treatment device may also include a control button 700. The control button 700 is disposed in the housing 100 and partially exposed thereout, and is used to control the operation of the skin treatment device.

[0224] In some embodiments, the control button 700 and / or the housing 100 near the control button 700 are provided with a second display area 71, which is used to display whether the skin treatment device is connected to a power source.

[0225] This allows users to easily observe the second display area 71 while controlling the skin treatment device via the control button 700 to confirm whether the device is connected to power. This prevents users from mistakenly believing the device is damaged or that the skin treatment has failed if it is not powered on. Furthermore, when the second display area 71 is located near the control button 700, it reduces the number of openings on the surface of the housing 100, resulting in a cleaner and more aesthetically pleasing appearance.

[0226] In some embodiments, the skin treatment device may further include a second light source assembly 616. The second light source assembly 616 is disposed within the housing 100. The second light source assembly 616 is used to generate light for display in the second display area 71.

[0227] For example, the second light source component 616 can be an LED lamp, a tungsten filament lamp, etc., and this application embodiment does not limit this.

[0228] In some embodiments, the housing 100 has a length direction and includes a panel 14 extending along the length direction, a first display area 16 and a second display area 71 are spaced apart and both are disposed on the panel 14.

[0229] For example, if the housing 100 is elongated, then the first display area 16 and the second display area 71 can be located on the same side in the width or thickness direction of the housing 100. Therefore, when the user holds one end of the housing 100 in the length direction, the first display area 16 and the second display area 71 can be easily observed.

[0230] It is also understood that the second display area 71 is disposed on the panel 14. The second display area 71 may be directly formed on the panel 14, or the second display area 71 may be disposed on the control button 700, and the control button 700 is disposed on the panel and thus indirectly disposed on the panel 14. This application embodiment does not limit this.

[0231] In some embodiments, panel 14 may cover the first light source assembly 613 and / or the second light source assembly 616. Panel 14 partially transmits light to form a first display area 16 and / or a second display area 71.

[0232] For example, panel 14 may include a light-transmitting plate. The light-transmitting plate has a light-transmitting area and a light-shielding area. The light-shielding area is provided with a light-shielding structure such as a light-shielding layer, and the light-transmitting area forms the aforementioned first display area 16 and / or second display area 71. Thus, light can be emitted from the first light source assembly 613 and / or the second light source assembly 616 through the light-transmitting area, and the light generated by the first light source assembly 613 and / or the second light source assembly 616 can be diffused irregularly. Furthermore, the structure surrounding the first light source assembly 613 and / or the second light source assembly 616 can be shielded to improve the aesthetics of the housing 100.

[0233] In some embodiments, the light-transmitting area of ​​panel 14 forms a first display area 16. Panel 14 may also be provided with mounting holes through which control buttons 700 pass, and the control buttons 700 are provided with a second display area 71.

[0234] Alternatively, the first display area 16 and / or the second display area 71 can also be an opening structure on the surface of the housing 100, which is not limited in this embodiment.

[0235] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0236] In some embodiments, the housing 100 has a length direction, a width direction, and a thickness direction. The light-emitting region 11 is located at one end of the housing 100, the length direction of the lamp tube is aligned with the width direction of the housing 100, and the air inlets of the first heat dissipation duct 51 and the second heat dissipation duct 52 are spaced apart along the thickness direction of the housing 100. The housing 100 also has a back plate extending along its length direction, with a housing air inlet and a housing air outlet. The housing air inlet communicates with the air inlet of the fan 41 and with the air outlets of the first heat dissipation duct 51 and the second heat dissipation duct 52.

[0237] The skin treatment device provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A skin treatment device, characterized in that, include: The housing has a light-emitting area; A light-emitting component is disposed within the housing, and the light-emitting component is used to generate light rays that are directed from the light-emitting area toward the skin to be treated; A cooling compress component is disposed in the light-emitting area for applying a cooling compress to the skin. and A heat dissipation assembly includes a fan, a vapor chamber, and heat sinks mounted on the vapor chamber. The fan has a first air outlet. One end of the vapor chamber is thermally connected to the cooling assembly, and the other end of the vapor chamber is located at the first air outlet. The fan is used to drive a first portion of airflow through the side of the vapor chamber away from the heat sink and the light-emitting assembly to dissipate heat from the light-emitting assembly. The fan is also used to drive a second portion of airflow through the heat sink to dissipate heat from the cooling assembly.

2. The skin treatment device according to claim 1, characterized in that, The skin treatment device further includes a support assembly disposed within the housing. The support assembly and the heat exchange plate form a first heat dissipation airflow channel to allow airflow to the first portion of the device. The light-emitting component is at least partially disposed within the first heat dissipation duct. The support assembly also includes an isolation section that separates the light-emitting component from the heat exchange plate.

3. The skin treatment device according to claim 2, characterized in that, Along the direction of the light-emitting component toward the first air outlet, the isolation portion is shorter than the heat exchange plate and is supported by the heat exchange plate; and / or The surface of the heat spreader facing the light-emitting component includes a shielding area and an exposed area. The isolation portion is supported on the shielding area, and the minimum distance between the exposed area and the light-emitting component is greater than or equal to 6 mm; and / or The surface of the heat spreader facing the light-emitting component includes a shielding area and an exposed area. The insulating part is supported on the shielding area, and the exposed area is a flat area for heat conduction and dissipation; and / or The skin treatment device is a hair removal device or a skin rejuvenation device.

4. The skin treatment device according to claim 1, characterized in that, The skin treatment device further includes a support assembly disposed inside the housing, the support assembly and the heat spreader forming a first heat dissipation channel and a second heat dissipation channel; wherein... The light-emitting component is at least partially installed in the first heat dissipation duct. One side of the heat spreader plate and the bracket assembly form a near-air outlet section of the first heat dissipation duct. The near-air outlet section of the first heat dissipation duct is connected to the first air outlet, so that the fan is used to drive the first part of the airflow through the near-air outlet section of the first heat dissipation duct, thereby dissipating heat from the light-emitting component. The heat sink is disposed in the second heat dissipation duct. The other side of the heat spreader plate and the bracket assembly form the near-air outlet section of the second heat dissipation duct. The near-air outlet section of the second heat dissipation duct is connected to the first air outlet, so that the fan is used to drive the second part of the airflow through the near-air outlet section of the second heat dissipation duct, thereby dissipating heat from the cooling assembly.

5. The skin treatment device according to claim 4, characterized in that, The light-emitting component extends along the length of the first air outlet; The near-air outlet section of the first heat dissipation air duct and the near-air outlet section of the second heat dissipation air duct are respectively connected to different areas along the width direction of the first air outlet.

6. The skin treatment device according to claim 4, characterized in that, The first heat dissipation duct includes an installation section and a guide section distributed along the light-emitting component toward the first air outlet. The light-emitting component is at least partially installed in the installation section. One end of the guide section is located at the first air outlet and communicates with the first air outlet. The other end of the guide section communicates with the installation section. The near-air outlet section of the first heat dissipation duct is formed in the guide section. In particular, along the direction from the first air vent toward the light-emitting component, the cross-sectional area of ​​at least a portion of the guide section gradually increases.

7. The skin treatment device according to claim 6, characterized in that, The inner wall of the flow guide section includes a first inner wall facing the heat spreader and a second inner wall opposite to the first inner wall; Along the direction from the first air vent toward the light-emitting component, at least one of the first inner sidewall and the second inner sidewall is inclined away from the other, so that the distance between the first inner sidewall and the second inner sidewall gradually increases.

8. The skin treatment device according to claim 7, characterized in that, In the direction from the first inner wall to the second inner wall, the width of the guide section near the light-emitting component is greater than or equal to the width of the light-emitting component.

9. The skin treatment device according to claim 7, characterized in that, The guide section is provided with a first anti-turbulence structure to limit the formation of turbulence within the guide section.

10. The skin treatment device according to claim 9, characterized in that, The light-emitting assembly includes a lamp tube and a reflector. The reflector includes an arc-shaped portion surrounding the lamp tube, and the arc-shaped portion is at least partially located on the side of the lamp tube near the flow guide section. Wherein, one end of the arc-shaped portion in the circumferential direction is adjacent to the first inner sidewall, and the other end of the arc-shaped portion in the circumferential direction is adjacent to the second inner sidewall; The first inner wall and / or the second inner wall are provided with the first anti-turbulence structure.

11. The skin treatment device according to claim 9, characterized in that, The first anti-turbulence structure includes a guide vane; wherein, The air guide plate extends along the direction from the first air outlet toward the light-emitting component; and / or The number of the guide plates is multiple, and the multiple guide plates are arranged at intervals along the length direction of the light-emitting component; and / or The guide plate includes a first inclined surface and a second inclined surface arranged opposite each other along the thickness direction; along the direction from the first air outlet to the light-emitting component, the first inclined surface and the second inclined surface are inclined in a direction away from each other, such that the thickness of the guide plate at the end near the light-emitting component is greater than the thickness of the guide plate at the end away from the light-emitting component; and / or The inner wall of the guide section includes a first guide surface connected to the guide plate. The guide plate also includes a third inclined surface, which is located on the side of the guide plate away from the first guide surface. Along the direction from the first air outlet toward the light-emitting component, the third inclined surface is inclined away from the first guide surface, such that the height of the guide plate protruding from the first guide surface at the end closer to the light-emitting component is greater than the height of the guide plate protruding from the first guide surface at the end farther from the light-emitting component.

12. The skin treatment device according to claim 6, characterized in that, The end of the heat spreader near the first air outlet is deflected toward the side where the light-emitting component is located to form a deflection section. The deflection section extends to the first air outlet, such that the side of the deflection section near the light-emitting component forms at least part of the airflow guide section with the support assembly, and the side of the deflection section away from the light-emitting component forms a near-air outlet section of the second heat dissipation air duct with the support assembly.

13. The skin treatment device according to claim 12, characterized in that, The heat sink includes; Near the heat dissipation section, it is installed in the deflection section; and The far heat dissipation section is connected to the end of the near heat dissipation section that is closer to the light-emitting area; Wherein, the width of the near heat dissipation section is greater than the width of the far heat dissipation section, and the width of the heat sink is the distance from the side of the heat sink closest to the heat spreader to the side furthest from the heat spreader.

14. The skin treatment device according to claim 13, characterized in that, The heat sink includes a connecting side mounted on the heat exchange plate and a free side facing away from the heat exchange plate. In this configuration, along the direction of the light-emitting component toward the first air vent, the connecting side and the free side of the near-heat dissipation section are inclined in a direction away from each other, so that the width of the near-heat dissipation section gradually increases.

15. The skin treatment device according to claim 13, characterized in that, The housing includes a light-emitting section extending from the connection between the near heat dissipation section and the far heat dissipation section to the light-emitting area; In particular, along the direction from the light-emitting component toward the light-emitting region, the cross-sectional area of ​​the light-emitting segment gradually decreases.

16. The skin treatment device according to claim 13, characterized in that, The number of heat sinks is multiple. Each heat sink includes a connecting side installed on the heat spreader and a free side away from the heat spreader. The free sides of the multiple heat sinks form a free side surface. The free side surface includes a windproof area near the first air vent and a flow area near the cooling assembly. The heat dissipation component also includes a shielding part that shields the windproof area so that airflow between adjacent heat sinks flows out or in from the circulation area near the cooling component.

17. The skin treatment device according to claim 16, characterized in that, Along the direction from the first air vent toward the light-emitting component, the length of the shielding portion is more than one-third of the length of the heat sink.

18. The skin treatment device according to claim 16, characterized in that, The shielding portion at least shields the free side of the near heat dissipation section.

19. The skin treatment device according to claim 16, characterized in that, The shielding portion includes a wind deflector that covers the free sides of the plurality of heat sinks; and / or The shielding portion includes multiple folded edges, each of which is bent and connected to the free side of one of the heat sinks.

20. The skin treatment device according to claim 16, characterized in that, The housing is also provided with a second air vent that communicates with the outside of the housing. The second air vent is located on the side of the heat sink away from the heat spreader. The second air vent is correspondingly arranged with the shielding part and communicates with the circulation area.

21. The skin treatment device according to claim 20, characterized in that, The heat sink is provided with a second anti-turbulence structure on the side away from the heat spreader. The second anti-turbulence structure is located in the flow area to limit the formation of turbulence by the air flowing out of the flow area.

22. The skin treatment device according to claim 21, characterized in that, Each of the heat sinks is provided with the second anti-turbulence structure; and / or The second anti-turbulence structure includes multiple teeth, which protrude from the side of the heat sink away from the vapor chamber; and / or The second anti-turbulence structure includes multiple teeth, which are triangular in shape.

23. The skin treatment device according to claim 6, characterized in that, The housing is also provided with a second air vent that communicates with the outside of the housing. The second air vent is located on the side of the heat sink that is away from the heat spreader. The end of the first heat dissipation duct away from the first air outlet is connected to the second air outlet to connect to the outside of the housing; The end of the second heat dissipation duct away from the first air vent is connected to the second air vent to connect to the outside of the housing.

24. The skin treatment device according to claim 6, characterized in that, The housing is also provided with a second air vent that communicates with the outside of the housing. The second air vent is located on the side of the heat sink that is away from the heat spreader. The inner wall of the housing also has a third heat dissipation duct. One end of the third heat dissipation duct is connected to the end of the first heat dissipation duct away from the first air outlet. The other end of the third heat dissipation duct and the end of the second heat dissipation duct away from the first air outlet are both connected to the second air outlet and form a Bernoulli structure at the connection.

25. The skin treatment device according to claim 24, characterized in that, The outlet of the third heat dissipation duct near the second air outlet is located on the inner wall of the second heat dissipation duct near the second air outlet.

26. The skin treatment device according to claim 24, characterized in that, The second heat dissipation duct extends from the first air outlet of the fan to the second air outlet of the housing. The heat sink is disposed in the second heat dissipation duct, and both the first air outlet and the second air outlet are adjacent to the heat sink. The first heat dissipation duct is located on the side of the heat spreader away from the second air outlet, so that the total length of the gas flow path in the first heat dissipation duct and the third heat dissipation duct is greater than the total length of the gas flow path in the second heat dissipation duct.

27. The skin treatment device according to claim 24, characterized in that, The skin treatment device further includes a circuit board assembly, the circuit board assembly comprising: A circuit board, disposed within the housing, forms the third heat dissipation duct with the bracket assembly; and A conductive bracket is mounted on the circuit board and located within the third heat dissipation duct; The light-emitting component includes a lamp tube, the end of which is connected to the conductive bracket so that the lamp tube is supported on the circuit board and electrically connected to the circuit board.

28. The skin treatment device according to claim 1, characterized in that, The skin treatment device further includes a circuit board assembly, which comprises a circuit board and a conductive support. The circuit board is disposed within the housing, and the conductive support is mounted on the circuit board. The light-emitting component includes: A lamp tube, the end of which is connected to the conductive bracket so that the lamp tube is supported on the circuit board and electrically connected to the circuit board; and A reflective component is provided, which is arranged around the lamp tube and electrically connected to the circuit board. The distance between the reflective component and the lamp tube is less than a preset distance, so that the reflective component is used to excite the lamp tube.

29. The skin treatment device according to claim 28, characterized in that, The circuit board assembly further includes an isolator, which is sleeved on at least one of the lamp tube and the conductive bracket, and the isolator separates the reflective component from the conductive bracket; And / or, The number of lamps is at least two, and the at least two lamps are arranged at intervals.

30. The skin treatment device according to claim 6, characterized in that, The inner wall of the first heat dissipation duct is provided with an installation port, and the light-emitting component is installed in the first heat dissipation duct through the installation port and forms a gap vent with the inner wall of the installation port. The light-emitting component includes a reflector and a light source. The light source is disposed inside the reflector. The reflector has a side vent around its periphery, which is connected to the first heat dissipation duct. The reflector also has an end vent at its end.

31. The skin treatment device according to claim 30, characterized in that, The end air vent and the gap air vent are arranged adjacent to each other to form a Bernoulli structure.

32. The skin treatment device according to claim 31, characterized in that, The light source includes a lamp tube, and the reflective component is disposed on the outer periphery of the lamp tube; wherein... Along the length of the lamp tube, the end of the reflector passes through the mounting opening, and the outer wall of the reflector and the inner wall of the mounting opening form the gap vent. Along the length of the lamp tube, the inner wall of the reflective component forms the end vent between the lamp tube and the end vent, so that the gap vent and the end vent form a Bernoulli structure.

33. The skin treatment device according to claim 32, characterized in that, The light-emitting area and the first air vent are located on different sides of the lamp tube circumferentially and are arranged opposite to each other; and / or The reflective component has openings on both sides in the circumferential direction facing the light-emitting area to converge the light generated by the lamp tube toward the light-emitting area, wherein at least one side of the reflective component in the circumferential direction is provided with the side air vent; and / or The inner wall of the first heat dissipation duct is provided with the mounting port at at least one end along the length of the lamp tube, and the mounting ports located on different sides along the length of the lamp tube are connected to the second heat dissipation duct through different third heat dissipation ducts.

34. The skin treatment device according to claim 7, characterized in that, The light-emitting component includes a lamp tube, which is installed in the mounting section; The inner wall of the flow guide section also includes a third inner sidewall and a fourth inner sidewall. The third inner sidewall and the fourth inner sidewall are both connected between the first inner sidewall and the second inner sidewall. The third inner sidewall and the fourth inner sidewall are located at different ends of the lamp tube in the length direction. Wherein, along the direction of the first air outlet toward the light-emitting component, at least one of the third inner sidewall and the fourth inner sidewall is inclined toward the other, so as to guide part of the air flowing out of the first air outlet to the light-emitting component.

35. The skin treatment device according to claim 34, characterized in that, Along the length of the lamp tube, the length of the guide section near the light-emitting component is less than the length of the lamp tube.

36. The skin treatment device according to claim 34, characterized in that, The bracket assembly is further provided with at least one third heat dissipation duct. The third heat dissipation duct is provided on the side of the third inner sidewall away from the fourth inner sidewall and / or on the side of the fourth inner sidewall away from the third inner sidewall. The third heat dissipation duct extends from the first inner sidewall toward the second inner sidewall. One end of the third heat dissipation duct is connected to the end of the first heat dissipation duct away from the first air outlet, and the other end of the third heat dissipation duct is connected to the second heat dissipation duct.

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