A handheld optical device

Abstract

This utility model discloses a handheld optical device, including a housing, a light source, a light-transmitting crystal, a cooling component, a heat sink, and a heat-conducting component. The light source provides the light energy required for beauty treatments and generates a first type of heat. The light-transmitting crystal has an incident light surface and an exit light surface; the light source emits light through the incident light surface and projects light out of the housing through the exit light surface. The cooling component, in operation, conducts a refrigerant to the light-transmitting crystal and generates a second type of heat. The heat-conducting component connects the cooling component and the heat sink at a first position and a second position, respectively, conducting the second type of heat from the first position to the second position. By placing a first heat insulation component between the heat-conducting component and the light source, the first type of heat generated by the light source is prevented from being conducted to the heat-conducting component, thereby reducing or preventing the first type of heat generated by the light source from interfering with the conduction path of the second type of heat. This ensures that the cooling component maintains a good cooling effect on the light-transmitting crystal, thus providing a better user experience.

Description

Technical Field

[0001] This utility model relates to the field of beauty equipment technology, and in particular to a handheld optical device. Background Technology

[0002] Handheld optical devices, such as hair removal devices, work by shining light of a specific wavelength onto the surface of human skin, causing hair follicles to die from absorbing sufficient light energy, thus achieving the effect of hair removal.

[0003] These optical devices need to be equipped with a light source to release high energy. This light source often generates high temperatures of up to 100 degrees Celsius when it is working. At the same time, heat conduction components such as heat conductors are also installed inside the device.

[0004] In existing technologies, the high temperature of the light source often travels through the heat conduction path of the heat conductor through a certain propagation method. Once the conduction temperature of the heat conductor is less than or close to the conduction temperature from the high temperature, heat interference will occur. This will cause the heat conductor to be unable to effectively conduct the heat from its source end, or the conduction temperature of the light source will conduct in the reverse direction to the heat source end of the heat conductor, thereby causing the heat conductor to fail. Utility Model Content

[0005] Based on the above problems, the purpose of this utility model is to provide a handheld optical device that can improve the heat dissipation efficiency of the heat dissipation path of the cooling component, the heat conduction component, and the heat dissipation component, and improve the cooling effect on the transparent crystal.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] In a first aspect, a handheld optical device is provided, comprising:

[0008] case;

[0009] A light source, used to provide the light energy needed for beauty treatments and simultaneously generate heat;

[0010] A light-transmitting crystal has a light-incident surface and a light-exiting surface. The light source emits light through the light-incident surface and emits the light from the light-exiting surface to the outside of the housing.

[0011] The cooling component, in its working state, conducts refrigerant to the light-transmitting crystal and generates a second heat.

[0012] Heat dissipation components;

[0013] A heat-conducting component is thermally connected to the cooling component and the heat dissipation component at a first position and a second position, respectively. The heat-conducting component conducts the second heat from the first position to the second position, and the second heat passes through the light source when it is conducted from the first position to the second position.

[0014] A first heat insulation component is provided between the heat-conducting component and the light source. The first heat insulation component is used to prevent the first heat from being conducted to the heat-conducting component, so as to reduce or avoid the interference of the first heat on the second heat when the second heat is conducted from the first position to the second position.

[0015] As an optional solution for the handheld optical device of this utility model, the light-transmitting crystal is sapphire.

[0016] As an optional embodiment of the handheld optical device of this utility model, the handheld optical device further includes a housing and a reflector cup. The housing has a first outer outer wall facing the heat-conducting element and an inner outer wall for fixing the reflector cup. The first heat-insulating element is located between the first outer outer wall and the heat-conducting element.

[0017] As an optional solution for the handheld optical device of this utility model, the first heat insulation component is attached to the first outer wall.

[0018] As an optional embodiment of the handheld optical device of this utility model, one end of the first heat insulation member is adjacent to the cooling member, and the other end of the first heat insulation member extends toward and is adjacent to the heat dissipation member.

[0019] As an optional solution for the handheld optical device of this utility model, the housing has a second outer outer wall facing the heat sink, and a second heat insulation member is provided between the second outer outer wall and the heat sink.

[0020] As an optional solution for the handheld optical device of this utility model, the second heat insulation member is attached to the second outer wall.

[0021] As an alternative to the handheld optical device of this utility model, the first outer outer wall and the second outer outer wall are connected and continuously transition at the connection point.

[0022] As an optional solution for the handheld optical device of this utility model, the first heat insulation component and the second heat insulation component are integrally constructed.

[0023] As an optional solution for the handheld optical device of this utility model, the first heat insulation component is one of aerogel and ceramic fiber.

[0024] As an optional solution for the handheld optical device of this utility model, a third heat insulation element is arranged between the inner wall and the reflector cup.

[0025] As an optional solution for the handheld optical device of this utility model, the second heat insulation component is one of aerogel and ceramic fiber;

[0026] The third thermal insulation component is one of aerogel or ceramic fiber.

[0027] As an optional solution for the handheld optical device of this utility model, the handheld optical device further includes a circuit board, which is arranged between the light-transmitting crystal and the light source. An opening is provided on the circuit board, and the light emitted by the light source can pass through the opening to illuminate the light-incident surface.

[0028] As an optional solution for the handheld optical device of this utility model, the heat-conducting component passes through the opening and heats the cooling component and the heat dissipation component respectively at the first position and the second position.

[0029] As an optional solution for the handheld optical device of this utility model, the heat-conducting component is a VC heat spreader.

[0030] Secondly, a handheld optical device is provided, comprising:

[0031] case;

[0032] Heat dissipation components;

[0033] A light source, located below the heat sink, is used to provide the light energy required for beauty treatments and simultaneously generate initial heat.

[0034] A circuit board electrically connected to the light source and located below the light source, the circuit board having an opening;

[0035] A light-transmitting crystal is located below the circuit board and has a light-incident surface and a light-exit surface. The light from the light source enters the light-incident surface after passing through the opening and is emitted to the outside of the housing from the light-exit surface.

[0036] A cooling component is thermally connected to the light-transmitting crystal and, in operation, conducts refrigerant to the light-transmitting crystal while simultaneously generating a second heat.

[0037] A heat-conducting component passes through the opening and is thermally connected to the heat dissipation component and the cooling component respectively, and the heat-conducting component conducts the second heat to the heat dissipation component;

[0038] A first heat insulation component is provided between the heat-conducting component and the light source. The first heat insulation component is used to prevent the first heat from being conducted to the heat-conducting component, so as to reduce or avoid the interference of the first heat on the second heat when the second heat is conducted from the cooling component to the heat dissipation component.

[0039] As an optional embodiment of the handheld optical device of this utility model, the handheld optical device further includes a housing and a reflector cup. The housing has a first outer outer wall facing the heat-conducting element and an inner outer wall for fixing the reflector cup. The first heat-insulating element is located between the first outer outer wall and the heat-conducting element.

[0040] As an optional solution for the handheld optical device of this utility model, the housing has a second outer outer wall facing the heat sink, and a second heat insulation member is provided between the second outer outer wall and the heat sink.

[0041] As an optional solution for the handheld optical device of this utility model, a third heat insulation element is arranged between the inner wall and the reflector cup.

[0042] As an optional solution for the handheld optical device of this utility model, the first heat insulation component is one of aerogel and ceramic fiber;

[0043] The second thermal insulation component is one of aerogel or ceramic fiber;

[0044] The third thermal insulation component is one of aerogel or ceramic fiber.

[0045] The beneficial effects of this utility model are as follows:

[0046] The handheld optical device provided by this utility model has a first heat insulation component between the heat-conducting component and the light source. Therefore, when the second heat is conducted from the first position to the second position, the first heat insulation component can prevent the first heat generated by the light source from being conducted to the heat-conducting component. This reduces or avoids the first heat generated by the light source interfering with the conduction path of the second heat, ensuring that the second heat can be conducted normally from the first position to the second position. This allows the cooling component to maintain a good cooling effect on the light-transmitting crystal, avoiding the situation where the cooling component is inefficient or cannot work due to the interference of the heat generated by the light source, thus providing users with a good user experience. Attached Figure Description

[0047] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0048] Figure 1 This is a schematic diagram of the structure of the handheld optical device provided in this embodiment of the utility model;

[0049] Figure 2This is an exploded view (hidden housing) of the handheld optical device provided in this embodiment of the utility model;

[0050] Figure 3 This is a schematic diagram of the structure of the light-transmitting crystal, the support, and the cooling component provided in the embodiments of this utility model;

[0051] Figure 4 This is a first cross-sectional view of the handheld optical device provided in this embodiment of the utility model;

[0052] Figure 5 This is a second cross-sectional view (hidden housing) of the handheld optical device provided in this embodiment of the present invention;

[0053] Figure 6 This is an exploded view of a cross-sectional view of the handheld optical device provided in this embodiment of the utility model;

[0054] Figure 7 This is a schematic diagram of the heat dissipation component, heat conduction component, housing, and reflector of the handheld optical device provided in this embodiment of the utility model.

[0055] Figure 8 This is a schematic diagram of the structure of the cooling component, heat dissipation component, heat conduction component, rigid attachment component, and bracket of the handheld optical device provided in this embodiment of the utility model;

[0056] Figure 9 This is a third cross-sectional view of the handheld optical device provided in this embodiment of the utility model;

[0057] Figure 10 This is a heat transfer path diagram of the handheld optical device provided in this embodiment of the utility model;

[0058] Figure 11 This is an orthographic projection of the rigid attachment of the handheld optical device provided in this embodiment of the utility model onto the heat-conducting component;

[0059] In the picture:

[0060] 100. Housing; 200. Cooling fan; 300. Power supply;

[0061] 1. Light source; 10. Rigid attachment; 11. Housing; 111. First outer wall; 112. Second outer wall; 113. Inner wall; 12. Reflector; 13. First heat insulation component; 14. Second heat insulation component; 15. Third heat insulation component; 16. Fixing component; 17. First heat-conducting structure;

[0062] 2. Transparent crystal; 21. Light-incident surface; 22. Light-exiting surface; 23. Contact surface; 24. Other crystal surfaces; 241. First side surface; 242. Second side surface; 243. Third side surface; 25. Guide groove;

[0063] 3. Refrigeration components; 31. Cold source surface; 32. Heat source surface;

[0064] 4. Heat insulation component; 41. First heat insulation part; 42. Second heat insulation part; 43. Third heat insulation part;

[0065] 5. Heat sink; 51. First heat sink; 52. Second heat sink;

[0066] 6. Heat-conducting component; 61. First wall; 62. Second wall; 63. Perforation;

[0067] 7. Bracket; 71. Frame; 711. Groove; 712. Installation space; 713. Guide rail; 714. Connecting column; 715. Buckle; 72. Sealing plate; 721. Hollowed-out groove; 722. Snap hole;

[0068] 8. Circuit board; 81. Opening;

[0069] 9. Thermal insulation structure. Detailed Implementation

[0070] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0071] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Specifically, the terms "first position" and "second position" refer to two different positions.

[0072] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0073] Example 1

[0074] like Figures 1 to 6 As shown, this embodiment provides a handheld optical device that reduces the heat transferred from the working components to the light-transmitting crystal 2, improves the cooling effect, and enhances the user experience. This handheld optical device can be used as a home beauty device, such as a hair removal device or a skin rejuvenation device.

[0075] Specifically, the handheld optical device includes a housing 100, and a receiving space is formed within the housing 100 to accommodate a working device. When the handheld optical device is in operation, at least a portion of the working device has a first heat source located in a first region, and the first heat source radiates and / or conducts heat into the receiving space.

[0076] The working components include a light source 1, a cooling element 3, and a light-transmitting crystal 2. The cooling element 3 has a cold source surface 31 and a heat source surface 32 opposite to the cold source surface 31; the light-transmitting crystal 2 has an incident light surface 21, an exit light surface 22, a contact surface 23, and other crystal surfaces 24; the light source 1 emits light through the incident light surface 21 and emits light from the exit light surface 22 to the outside of the handheld optical device; the contact surface 23 is used for thermal conduction connection with the cold source surface 31; the cold source surface 31 is thermally connected to the light-transmitting crystal 2 through the contact surface 23 to conduct the coolant to the light-transmitting crystal 2, thereby cooling the light-transmitting crystal 2.

[0077] See Figures 1 to 6 The handheld optical device also includes a heat insulation component 4, which is at least partially attached to other crystal surfaces 24 to prevent the first heat source from radiating heat to the light-transmitting crystal 2 and / or conducting heat through the other crystal surfaces 24.

[0078] In this embodiment, the handheld optical device emits light from the light source 1 through the light-incident surface 21 of the light-transmitting crystal 2 and is emitted to the outside through the light-exit surface 22 to care for the skin. The first heat source of the working device radiates and / or conducts heat into the accommodating space. The cold source surface 31 of the cooling component 3 is thermally connected to the contact surface 23 of the light-transmitting crystal 2 to conduct coolant to the light-transmitting crystal 2, thereby cooling the light-transmitting crystal 2 and reducing its temperature.

[0079] Since the heat insulation component 4 is at least partially attached to the other crystal surfaces 24 of the light-transmitting crystal 2, the first heat generated by the first heat source cannot be radiated and / or conducted to the light-transmitting crystal 2 through the other crystal surfaces 24. This prevents the light-transmitting crystal 2 from being constantly heated, thus avoiding the loss of refrigerant in the cooling component 3. This ensures the cooling effect of the cooling component 3 on the light-transmitting crystal 2 and improves the user experience.

[0080] In this embodiment, the first heat source can be a light source 1, and the first region is the region where the light source 1 is located. The light source 1 generates heat while providing the light energy required for beauty treatments. In other embodiments, the first heat source can also be other heat-generating components of the working device.

[0081] Optionally, the cooling element 3 is a semiconductor cooling chip, with the cooling surface of the semiconductor cooling chip being the cold source surface 31 and the heat dissipation surface being the heat source surface 32. Specifically, when a direct current passes through a circuit composed of two different semiconductor materials (e.g., N-type and P-type semiconductors), heat will transfer from one end to the other, forming a situation where one side absorbs heat (cooling surface) and the other side releases heat (heat dissipation surface), thereby enabling the cooling element 3 to cool the contact surface 23 of the transparent crystal 2 and reduce the temperature of the transparent crystal 2.

[0082] In other embodiments, the cooling component 3 can also be a liquid cooling structure, which uses liquid (such as water or coolant) circulation to remove the heat from the light-transmitting crystal 2, thereby reducing the temperature of the light-transmitting crystal 2.

[0083] Optionally, other crystal surfaces 24 include multiple crystal side surfaces, and the heat insulation component 4 provides heat insulation for at least one of the multiple crystal side surfaces. That is, heat insulation measures are taken on at least one crystal side surface of the light-transmitting crystal 2 to prevent the first heat from being radiated and / or conducted to the light-transmitting crystal 2 through the crystal side surface, thereby ensuring the heat dissipation effect of the light-transmitting crystal 2.

[0084] See Figures 1 to 6 In this embodiment, the light-transmitting crystal 2 has a rectangular block structure. The light-incident surface 21 and the light-exit surface 22 are two oppositely arranged end faces of the light-transmitting crystal 2, and the contact surface 23 is one of the side faces of the light-transmitting crystal 2. The other crystal surfaces 24 include the remaining three side faces, namely the first side face 241, the second side face 242, and the third side face 243. The heat insulation component 4 includes a first heat insulation part 41, a second heat insulation part 42, and a third heat insulation part 43. The first heat insulation part 41 is attached to the first side face 241, the second heat insulation part 42 is attached to the second side face 242, and the third heat insulation part 43 is attached to the third side face 243, so that multiple crystal sides of the light-transmitting crystal 2 are all heat-insulated, effectively preventing the first heat from being radiated and / or conducted to the light-transmitting crystal 2 through the other crystal surfaces 24.

[0085] Of course, in some embodiments, heat insulation can also be provided on only one or two or more crystal sides by heat insulation component 4. The design can be adapted according to the actual situation and is not limited to the arrangement of heat insulation component 4 listed above.

[0086] In some embodiments, the light-transmitting crystal 2 may also be other polygonal three-dimensional structures, and the crystal side surfaces other than the light-incident surface 21, the light-exit surface 22 and the contact surface 23 are all other crystal surfaces 24.

[0087] Optionally, the area covered by the heat insulation component 4 accounts for d% of the total area of ​​the multiple crystal sides, with d≥80. That is, the heat insulation component 4 can cover most of the area of ​​the multiple crystal sides, so that the heat insulation component 4 can isolate the first heat from thermal radiation and / or thermal conduction to the light-transmitting crystal 2 as much as possible.

[0088] In some embodiments, d can be 90, so that the heat insulation component 4 can block the first heat from thermal radiation and / or thermal conduction to the light-transmitting crystal 2 to the maximum extent.

[0089] In some embodiments, the value of d can be close to 100, that is, the heat insulation component 4 almost covers all the sides of the crystal to effectively isolate the first heat from thermal radiation and / or thermal conduction to the light-transmitting crystal 2.

[0090] It should be noted that the specific value of d can be selected according to the actual heat insulation requirements of the handheld optical device (ideally 100), and is not limited to the value range and specific value listed above.

[0091] Example 2

[0092] This embodiment provides a handheld optical device, such as Figures 2 to 6 As shown, the handheld optical device also includes a bracket 7, which is fitted onto the outside of the light-transmitting crystal 2. The bracket 7 provides a mounting base for the light-transmitting crystal 2, so that the light-transmitting crystal 2 can maintain a fixed position and ensure that the light emitted by the light source 1 can be emitted to the outside of the housing 100 along the light-incident surface 21 and the light-exit surface 22.

[0093] In this embodiment, the bracket 7 is a frame structure, defining an installation space 712 within the frame, and the light-transmitting crystal 2 is located within the installation space 712. Optionally, refer to... Figure 3 and Figure 6 The bracket 7 includes a frame 71 and a sealing plate 72. One side of the frame 71 is open, forming an installation opening. The sealing plate 72 is used to seal the installation opening to form an installation space 712. During installation, the light-transmitting crystal 2 is inserted into the installation space 712 through the installation opening, and then the sealing plate 72 is used to seal the installation opening.

[0094] Optionally, one of the frame 71 and the sealing plate 72 is provided with a buckle 715, and the other is provided with a locking hole 722. The sealing plate 72 is fixed by engaging the buckle 715 with the locking hole 722. For example, the sealing plate 72 is provided with an elastic arm protruding towards the frame 71, and the elastic arm is provided with a locking hole 722. The frame 71 is provided with a buckle 715 protruding. When installing the sealing plate 72, the locking hole 722 is aligned with the buckle 715 and snapped in. During the engagement process, the elastic arm can produce a certain elastic deformation, so that the locking hole 722 and the buckle 715 remain engaged under the elastic force of the elastic arm, thereby allowing the bracket 7 to assemble the light-transmitting crystal 2 in its installation space 712.

[0095] Optionally, see Figure 3 The inner sidewall of the frame 71 is provided with a guide rail 713, and the light-transmitting crystal 2 is provided with a guide groove 25. When installing the light-transmitting crystal 2, the guide groove 25 is aligned and inserted into the guide rail 713, allowing the light-transmitting crystal 2 to slide along the guide rail 713 into the installation space 712. The installation operation is simple and convenient. At the same time, the cooperation between the guide rail 713 and the guide groove 25 can restrict the installation position of the light-transmitting crystal 2, ensuring that the light-transmitting crystal 2 can be accurately installed in place.

[0096] Optionally, see Figure 3 , Figure 5 and Figure 6 The support 7 has a groove 711 on the side facing other crystal surfaces 24, and at least part of the heat insulation component 4 is located in the groove 711. The groove 711 provides space for the heat insulation component 4, prevents the heat insulation component 4 from shifting, and keeps the heat insulation component 4 located in the groove 711 stably between the other crystal surfaces 24 and the support 7, effectively blocking the heat conduction path and maintaining a good heat insulation effect.

[0097] In this embodiment, the aforementioned groove 711 is recessed on the inner circumferential surface of the frame 71 of the bracket 7. Specifically... Figure 3 and Figure 6 In the frame 71, each of the three inner wall surfaces is provided with a groove 711, and the first heat insulation part 41, the second heat insulation part 42 and the third heat insulation part 43 are arranged in the three grooves 711 in a corresponding manner.

[0098] In other embodiments, the number of grooves 711 can be adaptively selected according to the heat insulation requirements of the light-transmitting crystal 2, and is not limited to the number of grooves and the arrangement of grooves 711 listed above.

[0099] Optionally, the thermal insulation component 4 is one of aerogel or ceramic fiber to ensure good thermal insulation effect.

[0100] In some embodiments, the thermal insulation component 4 may be made of aerogel. Aerogel has an ultra-low thermal conductivity, which can effectively block heat conduction and provide good thermal insulation. Furthermore, aerogel has good plasticity and can adapt to complex installation environments.

[0101] In some embodiments, the thermal insulation component 4 may be made of ceramic fiber. The porous structure of ceramic fiber can effectively block heat conduction, ensuring thermal insulation performance, and is also less expensive.

[0102] Optionally, the light-transmitting crystal 2 is made of sapphire. Sapphire has high light transmittance and good thermal conductivity, making it suitable as a high-quality refrigerant transport medium. Furthermore, sapphire has high hardness, is not easily scratched, and can ensure long-term use without loss of light transmittance.

[0103] In other alternative embodiments, the light-transmitting crystal 2 can also be made of quartz crystal or the like. The type of light-transmitting crystal 2 can be selected according to actual needs and is not limited to the crystal types listed above.

[0104] Optionally, see Figures 2 to 6 The handheld optical device also includes a circuit board 8, which is arranged between the light-transmitting crystal 2 and the light source 1. An opening 81 is provided on the circuit board 8, and the light emitted by the light source 1 can shine through the opening 81 onto the light-incident surface 21.

[0105] See Figures 4 to 6 The circuit board 8 is located inside the housing 100. The bracket 7 for mounting the light-transmitting crystal 2 is fixed at the opening 81 of the circuit board 8. The light source 1 is located above the circuit board 8 and emits light to the light-incident surface 21 of the light-transmitting crystal 2 through the opening 81.

[0106] See Figure 2 The handheld optical device also includes a power supply 300, which is electrically connected to the circuit board 8 and is used to provide power to electrical components such as the light source 1 and the cooling component 3.

[0107] Example 3

[0108] This embodiment provides a handheld optical device, such as Figures 2 to 6As shown. The handheld optical device includes a housing 100, within which a receiving space is formed to accommodate a working device. In the working state, at least a portion of the working device has a first heat source located in a first region. The first heat source radiates and / or conducts heat into the receiving space. The working device includes a light source 1, a circuit board 8, a light-transmitting crystal 2, and a cooling element 3. The circuit board 8 is electrically connected to the light source 1 and located below the light source 1. The circuit board 8 has an opening 81. The light-transmitting crystal 2 is located below the circuit board 8 and has an incident light surface 21, an exit light surface 22, a contact surface 23, and other crystal surfaces 24. Light from the light source 1 enters the incident light surface 21 through the opening 81 and is emitted from the exit light surface 22 to the outside of the handheld optical device. The cooling element 3 is thermally connected to the contact surface 23.

[0109] Specifically, when the handheld optical device is in operation, the light emitted by the light source 1 passes through the opening 81 of the circuit board 8, enters through the light-incident surface 21 of the light-transmitting crystal 2, and is then emitted from the light-exiting surface 22 to the outside of the housing 100 for skin care. The first heat source of the working device will radiate and / or conduct heat into the accommodating space. The cold source surface 31 of the cooling component 3 is thermally connected to the contact surface 23 of the light-transmitting crystal 2 to conduct the cooling medium to the light-transmitting crystal 2, thereby cooling the light-transmitting crystal 2, reducing its temperature, and preventing skin burns.

[0110] In this embodiment, the first heat source can be a light source 1, and the first region is the region where the light source 1 is located. The light source 1 generates heat while providing the light energy required for beauty treatments. In other embodiments, the first heat source can also be other heat-generating components of the working device.

[0111] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the handheld optical device also includes a heat insulation component 4, which is at least partially attached to other crystal surfaces 24 to prevent the first heat source from radiating and / or conducting heat to the light-transmitting crystal 2 through the other crystal surfaces 24. That is, the heat generated by the first heat source cannot be radiated and / or conducted to the light-transmitting crystal 2 through the other crystal surfaces 24, preventing the light-transmitting crystal 2 from being constantly heated and thus avoiding the loss of refrigerant in the cooling component 3. This ensures the cooling effect of the cooling component 3 on the light-transmitting crystal 2, thereby improving the user experience.

[0112] Optionally, other crystal surfaces 24 include multiple crystal side surfaces, and the heat insulation component 4 insulates at least one of the multiple crystal side surfaces. That is, at least one crystal side surface of the light-transmitting crystal 2 is insulated by the heat insulation component 4, thereby preventing the first heat from being radiated and / or conducted to the light-transmitting crystal 2 through the crystal side surface, and ensuring the heat dissipation effect of the light-transmitting crystal 2.

[0113] See Figure 2 , Figure 3 , Figure 4 and Figure 5 In this embodiment, the light-transmitting crystal 2 has a rectangular block structure. The light-incident surface 21 and the light-exit surface 22 are two oppositely arranged end faces of the light-transmitting crystal 2, and the contact surface 23 is one of the side faces of the light-transmitting crystal 2. The other crystal surfaces 24 include the remaining three side faces, namely the first side face 241, the second side face 242, and the third side face 243. The heat insulation component 4 includes a first heat insulation part 41, a second heat insulation part 42, and a third heat insulation part 43. The first heat insulation part 41 is attached to the first side face 241, the second heat insulation part 42 is attached to the second side face 242, and the third heat insulation part 43 is attached to the third side face 243, so that multiple crystal sides of the light-transmitting crystal 2 are all heat-insulated, effectively preventing the first heat from being radiated and / or conducted to the light-transmitting crystal 2 through the other crystal surfaces 24.

[0114] Of course, in some embodiments, heat insulation can also be provided on only one or two or more crystal sides by heat insulation component 4. The design can be adapted according to the actual situation and is not limited to the arrangement of heat insulation component 4 listed above.

[0115] In some embodiments, the light-transmitting crystal 2 may also be other polygonal three-dimensional structures, and the crystal side surfaces other than the light-incident surface 21, the light-exit surface 22 and the contact surface 23 are all other crystal surfaces 24.

[0116] Optionally, the area covered by the heat insulation component 4 accounts for d% of the total area of ​​the multiple crystal sides, with d≥80. That is, the heat insulation component 4 can cover most of the area of ​​the multiple crystal sides, so that the heat insulation component 4 can isolate the first heat from thermal radiation and / or thermal conduction to the light-transmitting crystal 2 as much as possible.

[0117] In some embodiments, d can be 90, so that the heat insulation component 4 can block the first heat from thermal radiation and / or thermal conduction to the light-transmitting crystal 2 to the maximum extent.

[0118] In some embodiments, the value of d can be close to 100, that is, the heat insulation component 4 almost covers all the sides of the crystal to effectively isolate the first heat from thermal radiation and / or thermal conduction to the light-transmitting crystal 2.

[0119] It should be noted that the specific value of d can be selected according to the actual heat insulation requirements of the handheld optical device (ideally 100), and is not limited to the value range and specific value listed above.

[0120] Optionally, the light-transmitting crystal 2 is made of sapphire. Sapphire has high light transmittance and good thermal conductivity, making it suitable as a high-quality refrigerant transport medium. Furthermore, sapphire has high hardness, is not easily scratched, and can ensure long-term use without loss of light transmittance.

[0121] In other alternative embodiments, the light-transmitting crystal 2 can also be made of quartz crystal or the like. The type of light-transmitting crystal 2 can be selected according to actual needs and is not limited to the crystal types listed above.

[0122] Example 4

[0123] This embodiment provides a handheld optical device, such as Figure 1 , Figure 2 , Figures 4 to 10 As shown, the handheld optical device includes a housing 100, a light source 1, a light-transmitting crystal 2, a cooling component 3, a heat sink 5, a heat-conducting component 6, and a cooling fan 200. The light source 1 provides the light energy required for beauty treatments and generates a first heat. The light-transmitting crystal 2 has an incident light surface 21 and an exit light surface 22. The light source 1 emits light through the incident light surface 21 and transmits light to the outside of the housing 100 through the exit light surface 22. The cooling component 3 conducts refrigerant to the light-transmitting crystal 2 during operation and generates a second heat. The heat-conducting component 6 thermally connects the cooling component 3 and the heat sink 5 at a first position and a second position, respectively. The heat-conducting component 6 conducts the second heat from the first position to the second position, transferring it to the heat sink 5, and then directing it to the outside via the cooling fan 200 to complete heat dissipation. Since the second heat passes through the light source 1 during its conduction from the first position to the second position, a first heat insulation component 13 is provided between the heat-conducting component 6 and the light source 1 to prevent the first heat from being conducted to the heat-conducting component 6.

[0124] like Figure 10 As shown, in this embodiment, the handheld optical device emits light from the light source 1 through the light-incident surface 21 and is emitted from the light-outceasing surface 22 to the outside of the housing 100 for skin care. During this process, the light source 1 generates a first heat, and the cooling component 3 generates a second heat when it conducts the refrigerant to the light-transmitting crystal 2 to achieve cooling. The heat-conducting component 6 conducts the second heat from the first position to the second position (e.g., ...). Figure 10 (As indicated by the black arrow in the middle), the cooling component 3 is cooled by the heat sink 5 and the cooling fan 200 to ensure the cooling efficiency of the cooling component 3.

[0125] During operation, the light source 1 releases high-energy light pulses instantaneously and generates heat in a very short time, which can reach hundreds of degrees Celsius. However, the heat generated by the cooling component 3 is only a few tens of degrees Celsius. According to the second law of thermodynamics, heat will spontaneously transfer from the high-temperature region (the region where the light source 1 is located) to the low-temperature region (the region where the heat-conducting component 6 is located or other low-temperature regions). That is, the intensity of the first heat is much higher than that of the second heat. Therefore, it may even transfer along the heat-conducting component 6 to the region where the second heat source is located. This causes the second heat generated by the cooling component 3 to accumulate at the first position and cannot be transferred to the heat sink 5 at the second position. This causes the cooling efficiency of the cooling component 3 to decrease sharply, making it impossible to maintain the low-temperature steady state of the light-transmitting crystal 2. Consequently, the overall heat conduction path of the heat-conducting component 6 is functionally interrupted and fails.

[0126] Therefore, a first heat insulation component 13 needs to be installed between the heat-conducting component 6 and the light source 1 to eliminate the interference of the high heat source on the heat dissipation path of the cooling component 3. When the first heat insulation component 13 is installed between the heat-conducting component 6 and the light source 1, when the second heat is conducted from the first position to the second position, the first heat insulation component 13 can prevent the first heat generated by the light source 1 from being conducted to the heat-conducting component 6, thereby reducing or eliminating the interference of the first heat on the conduction of the second heat, so that the second heat can be smoothly transferred from the first position to the second position, ensuring the heat dissipation effect of the heat dissipation path of the cooling component 3, the heat-conducting component 6, and the heat dissipation component 5, and thus enabling the cooling component 3 to maintain a good cooling effect on the light-transmitting crystal 2, thereby improving the user experience.

[0127] Optionally, the light-transmitting crystal 2 is made of sapphire. Sapphire has high light transmittance and good thermal conductivity, making it suitable as a high-quality refrigerant transport medium. Furthermore, sapphire has high hardness, is not easily scratched, and can ensure long-term use without loss of light transmittance.

[0128] In other alternative embodiments, the light-transmitting crystal 2 can also be made of quartz crystal or the like. The type of light-transmitting crystal 2 can be selected according to actual needs and is not limited to the crystal types listed above.

[0129] Optionally, see Figure 2 , Figure 6 , Figure 7 and Figure 8The handheld optical device also includes a housing 11 and a reflector 12. The housing 11 has a first outer surface wall 111 facing the heat-conducting element 6 and an inner surface wall 113 for fixing the reflector 12. The first heat insulation element 13 is located between the first outer surface wall 111 and the heat-conducting element 6. In this embodiment, the reflector 12 is placed outside the light source 1 and inside the housing 11. Arranging the first heat insulation element 13 between the first outer surface wall 111 of the housing 11 and the heat-conducting element 6 can prevent the first heat generated by the light source 1 from being conducted to the heat-conducting element 6 through the first outer surface wall 111 of the housing 11, thereby preventing the first heat from affecting the heat dissipation and cooling effect of the light-transmitting crystal 2.

[0130] Optionally, the first heat insulation element 13 is attached to the first outer wall 111 so that the first heat insulation element 13 can fully contact the first outer wall 111 to ensure good heat insulation effect, thereby reducing the heat transfer of the heat conduction element 6. At the same time, the attachment method can make the first heat insulation element 13 firmly attached to the first outer wall 111, improving the heat insulation reliability.

[0131] In other embodiments, the first heat insulation element 13 may also be disposed on the heat conduction element 6, or the first heat insulation element 13 may be connected to both the first outer wall 111 and the heat conduction element 6.

[0132] Optionally, see Figures 5 to 8 One end of the first heat insulation member 13 is adjacent to the cooling member 3, and the other end of the first heat insulation member 13 extends toward and is adjacent to the heat dissipation member 5. That is, the first heat insulation member 13 can cover most of the area of ​​the first outer wall 111, and isolate the first heat generated by the light source 1 from the heat conduction to the heat conduction member 6 to the maximum extent, thereby effectively isolating the first heat from being conducted to the heat conduction member 6 through the upper end of the first outer wall 111.

[0133] Optionally, the first thermal insulation element 13 can be one of aerogel or ceramic fiber, ensuring good thermal insulation performance. For example, the first thermal insulation element 13 can be made of aerogel. Aerogel has an ultra-low thermal conductivity, which can effectively block heat conduction and achieve good thermal insulation performance. Furthermore, aerogel has good plasticity and can adapt to complex installation environments.

[0134] In some embodiments, the first thermal insulation element 13 may be made of ceramic fiber. The porous structure of ceramic fiber can effectively block heat conduction, ensuring thermal insulation performance, and is also less expensive.

[0135] Optionally, see Figures 5 to 8 The housing 11 has a second outer surface wall 112 facing the heat sink 5, and a second heat insulation member 14 is provided between the second outer surface wall 112 and the heat sink 5. The second heat insulation member 14 can prevent the first heat generated by the light source 1 from being conducted to the area where the heat sink 5 is located through the second outer surface wall 112, preventing the first heat from affecting the heat dissipation efficiency of the heat sink 5, thereby ensuring the cooling effect of the cooling member 3 on the light-transmitting crystal 2.

[0136] Optionally, the second heat insulation element 14 is attached to the second outer surface wall 112, allowing the second heat insulation element 14 to fully contact the second outer surface wall 112, ensuring good heat insulation effect, thereby reducing the heat transferred to the heat dissipation element 5 and improving the heat dissipation effect. At the same time, the attachment method allows the second heat insulation element 14 to be firmly attached to the second outer surface wall 112, improving the reliability of heat insulation.

[0137] In other embodiments, the second heat insulation member 14 may also be disposed on the heat dissipation member 5, or the second heat insulation member 14 may be connected to both the second outer outer wall 112 and the heat dissipation member 5.

[0138] Optionally, the second thermal insulation element 14 can be made of aerogel or ceramic fiber, ensuring good thermal insulation performance. For example, the second thermal insulation element 14 can be made of aerogel. Aerogel has an ultra-low thermal conductivity, which can effectively block heat conduction and achieve good thermal insulation performance. Furthermore, aerogel has good plasticity and can adapt to complex installation environments.

[0139] In some embodiments, the second thermal insulation element 14 may be made of ceramic fiber. The porous structure of ceramic fiber can effectively block heat conduction, ensuring thermal insulation performance, and is also less expensive.

[0140] Optionally, see Figure 7 and Figure 8 The first outer wall 111 and the second outer wall 112 are continuous surfaces. The first heat insulation member 13 provides heat insulation between the first outer wall 111 and the heat conduction member 6, and the second heat insulation member 14 provides heat insulation between the second outer wall 112 and the heat dissipation member 5. This effectively prevents the first heat generated by the light source 1 from being conducted to the heat conduction member 6 and the heat dissipation member 5, ensuring the heat dissipation effect of the heat dissipation member 5 and the heat conduction member 6 on the cooling member 3. In turn, the cooling member 3 maintains a good cooling effect on the light-transmitting crystal 2, improving the user experience of the handheld optical device.

[0141] Optionally, see Figure 6 The first heat insulation element 13 and the second heat insulation element 14 are integrally constructed. That is, the first heat insulation element 13 and the second heat insulation element 14 can continuously cover the first outer surface wall 111 and the second outer surface wall 112, so that the connection area between the first outer surface wall 111 and the second outer surface wall 112 and the heat conduction element 6 and the heat dissipation element 5 can be effectively insulated. Since the heat conduction element 6 is used to conduct heat to the heat dissipation element 5, the integral construction of the first heat insulation element 13 and the second heat insulation element 14 can ensure that a complete thermal isolation link is formed in the path of heat conduction from the heat conduction element 6 to the heat dissipation element 5 and the final heat dissipation performance of the heat dissipation element 5 itself, which can have a better heat dissipation effect.

[0142] Of course, in other embodiments, the first heat insulation member 13 and the second heat insulation member 14 may also be separate components, which are respectively attached to the first outer wall 111 and the second outer wall 112.

[0143] Optionally, see Figure 6 A third heat insulation element 15 is arranged between the inner surface wall 113 and the reflector cup 12. The third heat insulation element 15 can prevent the heat generated by the light source 1 from being conducted to the housing 11 through the reflector cup 12. That is, the presence of the third heat insulation element 15 can reduce the heat conducted by the light source 1 to the first outer surface wall 111 and / or the second outer surface wall 112, thereby further reducing the heat conducted to the heat dissipation element 5 and the heat conduction element 6, thus ensuring the heat dissipation and cooling effect of the light-transmitting crystal 2.

[0144] In this embodiment, the third heat insulation component 15 covers the light-emitting area of ​​the light source 1, so that the third heat insulation component 15 can isolate most of the heat generated by the light source 1.

[0145] Optionally, the third thermal insulation element 15 can be one of aerogel or ceramic fiber. This ensures good thermal insulation performance. For example, the third thermal insulation element 15 can be made of aerogel. Aerogel has an ultra-low thermal conductivity, which can effectively block heat conduction and achieve good thermal insulation performance. Furthermore, aerogel has good plasticity and can adapt to complex installation environments.

[0146] In some embodiments, the third thermal insulation element 15 may be made of ceramic fiber. The porous structure of ceramic fiber can effectively block heat conduction, ensuring thermal insulation performance, and is also less expensive.

[0147] In addition, such as Figure 2 and Figure 4 As shown, a heat insulation structure 9 is provided on the inner wall of the housing 100. The heat insulation structure 9 is in close contact with the housing 100 and can prevent the heat inside the housing 100 from being transferred to the housing 100 when the device is working, thus preventing a poor user experience.

[0148] Optionally, see Figure 2 , Figure 3 and Figure 6 The handheld optical device also includes a bracket 7, on which the light-transmitting crystal 2 is mounted. The bracket 7 provides a mounting base for the light-transmitting crystal 2, allowing the light-transmitting crystal 2 to remain in a fixed position, ensuring that the light emitted by the light source 1 can be emitted to the outside of the housing 100 along the light-incident surface 21 and the light-exit surface 22.

[0149] In this embodiment, the bracket 7 is a frame structure, defining an installation space 712 within the frame, and the light-transmitting crystal 2 is located within the installation space 712. Optionally, refer to... Figure 3 and Figure 6The bracket 7 includes a frame 71 and a sealing plate 72. One side of the frame 71 is open, forming an installation opening. The sealing plate 72 is used to seal the installation opening to form an installation space 712. During installation, the light-transmitting crystal 2 is inserted into the installation space 712 through the installation opening, and then the sealing plate 72 is used to seal the installation opening.

[0150] Optionally, see Figure 3 and Figure 6 The sealing plate 72 has a perforated groove 721 that connects to the installation space 712. The cooling component 3 is located in the perforated groove 721 and is thermally connected to the light-transmitting crystal 2. The perforated groove 721 provides an installation base for the cooling component 3, so that the cold source surface 31 of the cooling component 3 can be stably thermally connected to the contact surface 23 of the light-transmitting crystal 2, ensuring a good cooling effect.

[0151] Optionally, see Figure 2 , Figure 5 and Figure 6 The handheld optical device also includes a circuit board 8, which is arranged between the light-transmitting crystal 2 and the light source 1. An opening 81 is provided on the circuit board 8, and the light emitted by the light source 1 can shine through the opening 81 onto the light-incident surface 21.

[0152] See Figure 6 The circuit board 8 is located inside the housing 100. The bracket 7 for mounting the light-transmitting crystal 2 is fixed at the opening 81 of the circuit board 8. The light source 1 is located above the circuit board 8 and emits light to the light-incident surface 21 of the light-transmitting crystal 2 through the opening 81.

[0153] Optionally, see Figure 4 and Figure 5 The heat-conducting component 6 passes through the opening 81 and conducts heat to the cooling component 3 and the heat dissipation component 5 at the first and second positions, respectively. This arrangement makes the structural layout more compact, which helps to reduce the overall size of the beauty device.

[0154] In this embodiment, see Figure 4 A first thermally conductive structure 17 is provided between the cooling component 3 and the light-transmitting crystal 2. The first thermally conductive structure 17 can increase the heat transfer efficiency between the cooling component 3 and the light-transmitting crystal 2, thereby improving the cooling effect. For example, the first thermally conductive structure 17 can be thermally conductive grease or thermally conductive adhesive, etc.

[0155] Furthermore, a second thermally conductive structure is provided between the heat-conducting component 6 and the cooling component 3. This second thermally conductive structure increases the heat transfer efficiency between the heat-conducting component 6 and the cooling component 3, improves the heat dissipation effect on the cooling component 3, and thus ensures the cooling effect on the transparent crystal 2. For example, the second thermally conductive structure can be thermally conductive grease or thermally conductive adhesive, etc.

[0156] Optionally, the heat-conducting component 6 is a VC heat exchanger. The VC heat exchanger has very low thermal resistance and can quickly absorb and transfer heat by utilizing the phase change of its internal working medium, so as to evenly diffuse the second heat generated by the cooling component 3 to the area where the heat sink 5 is located, thereby improving heat dissipation efficiency and ensuring the cooling efficiency of the cooling component 3.

[0157] In other embodiments, the heat-conducting element 6 can also be made of other materials with good thermal conductivity, such as a thermally conductive copper plate.

[0158] Example 5

[0159] This embodiment provides a handheld optical device, such as Figure 1 , Figure 2 , Figure 5 and Figure 7 As shown, the handheld optical device includes a housing 100, a heat sink 5, a cooling fan 200, a light source 1, a circuit board 8, a light-transmitting crystal 2, a cooling component 3, and a heat-conducting component 6. The light source 1 is located below the heat sink 5 and is used to provide the light energy required for beauty treatments, while also generating a first heat. The circuit board 8 is electrically connected to the light source 1 and is located below the light source 1. The circuit board 8 has an opening 81. The light-transmitting crystal 2 is located below the circuit board 8 and has an incident light surface 21 and an exit light surface 22. The light from the light source 1 enters the incident light surface 21 through the opening 81 and is emitted to the outside of the housing 100 from the exit light surface 22. The cooling component 3 is thermally connected to the light-transmitting crystal 2 and, in the working state, conducts a refrigerant to the light-transmitting crystal 2, while also generating a second heat. The heat-conducting component 6 passes through the opening 81 and is thermally connected to the heat sink 5 and the cooling component 3, respectively. The heat-conducting component 6 conducts the second heat to the heat sink 5.

[0160] When the handheld optical device is in operation, the light emitted by the light source 1 passes through the opening 81 of the circuit board 8 and enters through the light-incident surface 21 of the light-transmitting crystal 2, and is then emitted from the light-exit surface 22 to the outside of the housing 100 for skin care. During this process, the light source 1 generates first heat, and the cooling component 3 generates second heat when it conducts refrigerant to the light-transmitting crystal 2 to achieve cooling. The heat-conducting component 6 conducts the second heat from the first position to the second position, allowing the heat sink 5 and the cooling fan 200 to dissipate heat, ensuring the cooling efficiency of the cooling component 3 and keeping the light-transmitting crystal 2 at a low temperature to improve the user experience.

[0161] Among them, such as Figure 10As shown, a first heat insulation component 13 is provided between the heat-conducting component 6 and the light source 1. The first heat insulation component 13 is used to prevent the first heat from being conducted to the heat-conducting component 6. That is, when the second heat is conducted from the first position to the second position, the first heat insulation component 13 can prevent the first heat generated by the light source 1 from being conducted to the heat-conducting component 6, reducing or avoiding interference from the first heat, so that the second heat can be smoothly transferred from the first position to the second position. This ensures the heat dissipation effect of the heat dissipation path of the cooling component 3, the heat-conducting component 6, and the heat dissipation component 5, thereby ensuring that the cooling component 3 maintains a good cooling effect on the light-transmitting crystal 2 and preventing skin burns.

[0162] Optionally, the first thermal insulation element 13 is one of aerogel or ceramic fiber, which can ensure good thermal insulation effect.

[0163] Optionally, see Figure 5 A first thermally conductive structure 17 is provided between the cooling component 3 and the light-transmitting crystal 2. The first thermally conductive structure 17 can increase the heat transfer efficiency between the cooling component 3 and the light-transmitting crystal 2, thereby improving the cooling effect. For example, the first thermally conductive structure 17 can be thermally conductive grease or thermally conductive adhesive, etc.

[0164] In addition, such as Figure 2 and Figure 4 As shown, a heat insulation structure 9 is provided on the inner wall of the housing 100. The heat insulation structure 9 is in close contact with the housing 100 and can prevent the heat inside the housing 100 from being transferred to the housing 100 when the device is working, thus preventing a poor user experience.

[0165] Optionally, a second thermally conductive structure is provided between the heat-conducting component 6 and the cooling component 3. This second thermally conductive structure increases the heat transfer efficiency between the heat-conducting component 6 and the cooling component 3, improving the heat dissipation effect on the cooling component 3 and thus ensuring the cooling effect on the transparent crystal 2. For example, the second thermally conductive structure can be thermally conductive grease or thermally conductive adhesive, etc.

[0166] Example 6

[0167] like Figure 1 , Figures 5 to 11As shown, this embodiment provides a handheld optical device, including a heat sink 5, a cooling component 3, a light-transmitting crystal 2, a heat-conducting component 6, and a rigid attachment 10. The cooling component 3 has a cold source surface 31 and a corresponding heat source surface 32. The light-transmitting crystal 2 has a contact surface 23 that is thermally connected to the cold source surface 31, through which the cold source surface 31 conducts refrigerant to the light-transmitting crystal 2 to achieve cooling. The heat-conducting component 6 is thermally connected to the heat sink 5 and has a first wall 61 and a second wall 62, with the first wall 61 at least partially thermally connected to the heat source surface 32. The rigid attachment 10 has a different thermal conductivity than the heat-conducting component 6, and the thermal conductivity of the heat-conducting component 6 is greater than that of the rigid attachment 10. A force is applied along a first direction through the rigid attachment 10 to drive the second wall 62 into a rigid connection with the rigid attachment 10. Since the force is perpendicular to the second wall 62 and points towards the first wall 61 along the first direction, after the second wall is rigidly connected to the rigid attachment 10, it will drive the first wall 61 to fit tightly against the heat source surface 32 of the cooling component 3. Furthermore, since this force is applied across the entire surface of the rigid attachment 10, it avoids the uneven force distribution that occurs with other types of point connections. Therefore, it can be ensured that the first wall 61 and the second wall 62 are relatively undeformed or have predictable deformation in the first direction. It should be noted that the heat-conducting component 6 generally uses structures such as VC heat exchangers to achieve heat conduction. These structures often have a dense capillary structure inside, and unpredictable deformation can damage this capillary structure or cause other physical damage, thus seriously affecting the heat conduction performance or even causing failure.

[0168] In this embodiment, the handheld optical device utilizes a cooling component 3 that conducts refrigerant through the cold source surface 31 to the contact surface 23 of the light-transmitting crystal 2 during use, thereby cooling the crystal 2 and reducing its temperature. The heat-conducting component 6 transfers heat generated by the heat source surface 32 to the heat dissipation component 5. Simultaneously, the rigid attachment 10 also passively dissipates heat through its own structure, ensuring the heat dissipation efficiency of the cooling component 3 and improving the cooling effect on the light-transmitting crystal 2. Since the rigid attachment 10 is located on the side where the second wall 62 of the heat-conducting component 6 is located, a force along the first direction can be applied to the rigid attachment 10 during assembly to fix the heat-conducting component 6. That is, by applying a fastening force to the rigid attachment 10, the heat-conducting component 6 is fixed, reducing the probability of deformation due to uneven stress on the heat-conducting component 6.

[0169] Since the force along the first direction is perpendicular to the second wall 62 and points towards the first wall 61, the force exerted by the rigid attachment 10 on the heat-conducting component 6 is uniformly perpendicular to the plane where the second wall 62 is located. This ensures that the heat-conducting component 6 is subjected to uniform force, so that after the rigid attachment 10 is connected to the second wall 62, the first wall 61 and the second wall 62 do not deform or have the expected deformation in the first direction, thus ensuring the heat conduction efficiency of the heat-conducting component 6 and thereby improving the heat dissipation efficiency of the heat sink 5 and the cooling effect of the cooling component 3.

[0170] Optionally, such as Figure 11 As shown in Figure a, the orthographic projection area of ​​the rigid attachment 10 on the heat-conducting component 6 at least covers the rigid connection area between the second wall 62 and the rigid attachment 10. The rigid connection area refers to the fastening area between the rigid attachment 10 and the heat-conducting component 6. This design ensures that the rigid attachment 10 provides rigid support to at least the fastening area of ​​the heat-conducting component 6, preventing uneven stress on the heat-conducting component 6 in the fixed area and thus preventing significant deformation.

[0171] In some embodiments, such as Figure 11 As shown in b. The orthographic projection area of ​​the rigid attachment 10 on the heat-conducting component 6 covers the area other than the orthographic projection area of ​​the heat sink 5 on the heat-conducting component 6, so that the rigid attachment 10 can provide effective support for the area of ​​the heat-conducting component 6 other than the heat sink 5, so that the heat-conducting component 6 is subjected to uniform force, avoids large deformation, and ensures the heat conduction efficiency of the heat-conducting component 6.

[0172] In some embodiments, such as Figure 11 As shown in c. The orthographic projection area of ​​the rigid attachment 10 on the heat-conducting component 6 completely covers the heat-conducting component 6, so that the rigid attachment 10 can provide rigid support for each area of ​​the heat-conducting component 6, preventing the heat-conducting component 6 from deforming, thereby improving the heat dissipation efficiency of the cooling component 3.

[0173] Optionally, see Figure 9 and Figure 10 The handheld optical device also includes a circuit board 8 and a light source 1. The light source 1 is located above the light-transmitting crystal 2. The circuit board 8 is arranged between the light-transmitting crystal 2 and the light source 1. An opening 81 is provided on the circuit board 8, through which the light emitted by the light source 1 can be transmitted to the light-transmitting crystal 2. The light emitted by the light source 1 passes through the opening 81 of the circuit board 8 and through the light-transmitting crystal 2 to be emitted to the outside of the housing 100 for skin care.

[0174] Optionally, see Figure 10 The heat-conducting component 6 passes through the opening 81 and is thermally connected to the cooling component 3 and the heat dissipation component 5. That is, the heat-conducting component 6 is installed within the opening 81, making the structural layout more compact and reducing the space required for installation. (Refer to...) Figure 10In the orientation of the opening 81, the end of the heat-conducting component 6 located above the opening 81 is thermally connected to the heat sink 5, and the end of the heat-conducting component 6 located below the opening 81 is thermally connected to the cooling component 3.

[0175] Optionally, see Figures 6 to 10 The heat sink 5 includes a first heat sink 51, which is thermally connected to the first wall 61. The first heat sink 51 and the cooling component 3 are respectively disposed at both ends of the heat conductor 6 along the second direction, which intersects the first direction. The heat conductor 6 conducts the heat generated by the heat source surface 32 of the cooling component 3 along the second direction to the first heat sink 51, thereby achieving heat dissipation for the cooling component 3.

[0176] Optionally, the first heat sink 51 includes a plurality of first heat sink fins, which are spaced apart on the heat conductor 6 along the second direction, and the heat on the first heat sink fins is carried away by the airflow flowing between the spaces of the first heat sink fins.

[0177] Optionally, see Figure 9 and Figure 10 The heat sink 5 also includes a second heat sink 52, which is thermally connected to the second wall 62, and the second heat sink 52 and the first heat sink 51 are arranged at the same end of the heat-conducting component 6. By simultaneously dissipating heat from the heat-conducting component 6 through the first heat sink 51 and the second heat sink 52, the heat dissipation efficiency can be improved, and the cooling effect of the cooling component 3 can be enhanced.

[0178] In this embodiment, the first heat sink 51 and the second heat sink 52 are respectively arranged on the first wall 61 and the second wall 62 of the heat conductor 6, which can make full use of the space on both sides of the heat conductor 6 and improve the heat dissipation effect.

[0179] Optionally, see Figure 9 or Figure 10 One end of the rigid attachment 10 is adjacent to the cooling component 3, and the other end of the rigid attachment 10 extends toward and is adjacent to the second heat sink 52. That is, the rigid attachment 10 can cover most of the area on the second wall 62 except for the area where the second heat sink 52 is located, so as to provide sufficient rigid support area for the heat conductor 6, reduce the probability of deformation of the heat conductor 6, and ensure the heat conduction efficiency of the heat conductor 6.

[0180] Optionally, the rigid attachment 10 is fitted to the second wall 62. The fitting method allows for sufficient contact area between the rigid attachment 10 and the second wall 62, thereby ensuring the rigid support effect of the rigid attachment 10 on the heat-conducting element 6.

[0181] Optionally, see Figure 3 and Figure 6The handheld optical device also includes a bracket 7 for mounting the transparent crystal 2. The bracket 7 provides a mounting base for the transparent crystal 2, allowing the transparent crystal 2 to be stably fixed in a set position. In this embodiment, the bracket 7 is a frame structure, and the frame defines an installation space 712, within which the transparent crystal 2 is located.

[0182] Optionally, see Figure 3 and Figure 6 The bracket 7 includes a frame 71 and a sealing plate 72. One side of the frame 71 is open, forming an installation opening. The sealing plate 72 is used to seal the installation opening to form an installation space 712. During installation, the light-transmitting crystal 2 is inserted into the installation space 712 through the installation opening, and then the sealing plate 72 is used to seal the installation opening.

[0183] Optionally, a guide rail 713 is provided on the inner side wall of the frame 71, and a guide groove 25 is provided on the light-transmitting crystal 2. When installing the light-transmitting crystal 2, the guide groove 25 is aligned and inserted into the guide rail 713, allowing the light-transmitting crystal 2 to slide along the guide rail 713 into the installation space 712. The installation operation is simple and convenient. At the same time, the cooperation between the guide rail 713 and the guide groove 25 can restrict the installation position of the light-transmitting crystal 2, ensuring that the light-transmitting crystal 2 can be accurately installed in place.

[0184] Optionally, see Figure 6 and Figure 8 The handheld optical device also includes a fixing member 16, through which the rigid attachment member 10 is fixedly connected to the bracket 7 to provide a force applied to the rigid attachment member 10 in a first direction. That is, the rigid attachment member 10 is fixedly connected to the bracket 7 via the fixing member 16, thereby fixing the heat-conducting member 6 to the bracket 7, causing the first wall 61 of the heat-conducting member 6 to contact the heat source surface 32 of the cooling member 3, and rigidly connecting the rigid attachment member 10 to the second wall 62 of the heat-conducting member 6. The fastening area of ​​the fixing member 16 is the rigid connection area between the rigid attachment member 10 and the heat-conducting member 6.

[0185] For example, the fastener 16 can be a structural component that provides connecting force, such as a screw, rivet, bolt, or chuck. The frame 71 of the bracket 7 is provided with a connecting post 714 on each side of the mounting opening. The connecting post 714 has a threaded hole. Both the rigid attachment 10 and the heat-conducting component 6 are provided with through holes 63. After the screw passes through the through holes 63 of the rigid attachment 10 and the heat-conducting component 6 in sequence, it is screwed into the threaded hole. By screwing the screw, a force along the first direction can be applied to the rigid attachment 10.

[0186] Optionally, the rigid attachment 10 is a metal plate structure. The metal plate structure has a certain structural strength, providing good support and preventing or reducing deformation of the heat-conducting component 6 while fixing it. Simultaneously, the metal plate has a certain thermal conductivity, enhancing the heat dissipation effect on the heat source surface 32 of the cooling component 3. For example, the rigid attachment 10 can be a copper plate, a copper alloy plate, etc.

[0187] Optionally, the heat-conducting component 6 is a VC heat exchanger. The VC heat exchanger has very low thermal resistance and can quickly absorb and transfer heat by utilizing the phase change of its internal working medium, so as to evenly diffuse the second heat generated by the cooling component 3 to the area where the heat sink 5 is located, thereby improving heat dissipation efficiency and ensuring the cooling efficiency of the cooling component 3.

[0188] In other embodiments, the heat-conducting element 6 may also be a metal plate or the like.

[0189] Optionally, a graphene thermal conductive structure is also arranged between the heat-conducting component 6 and the rigid attachment 10. The graphene thermal conductive structure can improve the heat conduction efficiency between the heat-conducting component 6 and the rigid attachment 10, thereby improving the heat dissipation efficiency of the cooling component 3, enhancing the cooling efficiency of the cooling component 3, and ensuring the cooling effect on the transparent crystal 2.

[0190] In other embodiments, a thermally conductive structure such as thermal grease or thermal adhesive may be provided between the thermally conductive component 6 and the rigid attachment 10 to improve the thermal conduction efficiency between the two.

[0191] Example 7

[0192] This embodiment provides a handheld optical device, such as Figure 1 , Figure 2 , Figures 5 to 8 As shown, the handheld optical device has a housing 100, which includes a heat sink 5, a circuit board 8, a light-transmitting crystal 2, a cooling component 3, a heat-conducting component 6, and a rigid attachment 10. The circuit board 8 is located below the heat sink 5 and has an opening 81; the light-transmitting crystal 2 has at least one contact surface 23; the cooling component 3 is thermally connected to the contact surface 23 of the light-transmitting crystal 2 and conducts coolant to the light-transmitting crystal 2 in the working state; the heat-conducting component 6 passes through the opening 81 and is thermally connected to the heat sink 5 and the cooling component 3 respectively; the rigid attachment 10 has a different thermal conductivity than the heat-conducting component 6, and the thermal conductivity of the heat-conducting component 6 is better than that of the rigid attachment 10.

[0193] During use, the cooling component 3 conducts refrigerant to the light-transmitting crystal 2 through the contact surface 23 to cool the light-transmitting crystal 2 and reduce its temperature. The heat-conducting component 6 transfers the heat generated by the cooling component 3 during the cooling process to the heat dissipation component 5, while the rigid attachment 10 can transfer some of the heat to the heat dissipation component 5, ensuring the heat dissipation efficiency of the cooling component 3 and improving the cooling effect on the light-transmitting crystal 2.

[0194] The heat-conducting component 6 has a first wall 61 and a second wall 62. The first wall 61 is thermally connected to the heat sink 5 and the cooling component 3, respectively. The second wall 62 is subjected to a force in a first direction provided by the rigid attachment 10, so as to be rigidly connected to the rigid attachment 10. The force in the first direction is perpendicular to the second wall 62 and points towards the first wall 61. After the rigid attachment 10 is connected to the second wall 62, the first wall 61 and the second wall 62 do not deform relative to each other in the first direction or have the expected deformation.

[0195] By setting the rigid attachment 10, a force along the first direction can be applied to the rigid attachment 10 during the assembly of the heat-conducting component 6, instead of directly applying a fastening force to the heat-conducting component 6. That is, by applying a fastening force to the rigid attachment 10, the heat-conducting component 6 is fixed, which reduces the probability of deformation caused by uneven force on the heat-conducting component 6. Since the force along the first direction is perpendicular to the second wall 62 and points towards the first wall 61, the force exerted on the heat-conducting component 6 by the rigid attachment 10 is uniformly perpendicular to the plane where the second wall 62 is located, ensuring that the heat-conducting component 6 is subjected to uniform force. After the rigid attachment 10 is connected to the second wall 62, the first wall 61 and the second wall 62 are relatively undeformed or have the expected deformation in the first direction, ensuring the heat conduction efficiency of the heat-conducting component 6, thereby improving the heat dissipation efficiency of the heat sink 5 and the cooling effect of the cooling component 3. The heat-conducting component 6 is inserted into the opening 81 of the circuit board 8, resulting in a more compact structural layout, which helps to reduce the space required for installation.

[0196] Optionally, see Figure 9 and Figure 10 The handheld optical device also includes a light source 1, which is electrically connected to the circuit board 8. The light emitted by the light source 1 passes through the opening 81 of the circuit board 8 and is emitted from the light-transmitting crystal 2 to the outside of the housing 100 for skin care.

[0197] Optionally, see Figure 6 , Figure 9 and Figure 10 The heat sink 5 includes a first heat sink 51, which is thermally connected to the first wall 61. The first heat sink 51 and the cooling component 3 are respectively disposed at opposite ends of the heat conductor 6 along a second direction, which intersects the first direction. The heat conductor 6 conducts the heat generated by the heat source surface 32 of the cooling component 3 along the second direction to the first heat sink 51, thereby dissipating heat from the cooling component 3. The first heat sink 51 can be disposed on either the first wall 61 or the second wall 62 of the heat conductor 6.

[0198] Optionally, see Figure 9The heat sink 5 also includes a second heat sink 52, which is thermally connected to the second wall 62, and the second heat sink 52 and the first heat sink 51 are arranged at the same end of the heat-conducting component 6. By simultaneously dissipating heat from the heat-conducting component 6 through the first heat sink 51 and the second heat sink 52, the heat dissipation efficiency can be improved, and the cooling effect of the cooling component 3 can be enhanced.

[0199] In this embodiment, the first heat sink 51 and the second heat sink 52 are respectively arranged on the first wall 61 and the second wall 62 of the heat conductor 6, which can make full use of the space on both sides of the heat conductor 6 and improve the heat dissipation effect.

[0200] Optionally, see Figure 9 and Figure 10 One end of the rigid attachment 10 is adjacent to the cooling component 3, and the other end of the rigid attachment 10 extends toward and is adjacent to the second heat sink 52. That is, the rigid attachment 10 can cover most of the area on the second wall 62 except for the area where the second heat sink 52 is located, so as to provide sufficient rigid support area for the heat conductor 6, reduce the probability of deformation of the heat conductor 6, and ensure the heat conduction efficiency of the heat conductor 6.

[0201] Optionally, the rigid attachment 10 is fitted to the second wall 62. The fitting method allows for sufficient contact area between the rigid attachment 10 and the second wall 62, thereby ensuring the rigid support effect of the rigid attachment 10 on the heat-conducting element 6.

[0202] Note that the above is merely a preferred embodiment of the present invention and the technical principles employed. This handheld optical device can be a home beauty device, such as a hair removal device or skin rejuvenation device. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Many other equivalent embodiments may be included without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A handheld optical device, characterized in that, include: case; A light source, used to provide the light energy needed for beauty treatments and simultaneously generate heat; A light-transmitting crystal has a light-incident surface and a light-exiting surface. The light source emits light through the light-incident surface and emits the light from the light-exiting surface to the outside of the housing. The cooling component, in its working state, conducts refrigerant to the light-transmitting crystal and generates a second heat. Heat dissipation components; A heat-conducting component is thermally connected to the cooling component and the heat dissipation component at a first position and a second position, respectively. The heat-conducting component conducts the second heat from the first position to the second position, and the second heat passes through the light source when it is conducted from the first position to the second position. A first heat insulation component is provided between the heat-conducting component and the light source. The first heat insulation component is used to prevent the first heat from being conducted to the heat-conducting component, so as to reduce or avoid the interference of the first heat on the second heat when the second heat is conducted from the first position to the second position.

2. The handheld optical device according to claim 1, characterized in that, The translucent crystal is sapphire.

3. The handheld optical device according to claim 1, characterized in that, The handheld optical device further includes a housing and a reflector cup, the housing having a first outer outer wall facing the heat conductor and an inner outer wall for fixing the reflector cup, the first heat insulation member being located between the first outer outer wall and the heat conductor.

4. The handheld optical device according to claim 3, characterized in that, The first heat insulation element is attached to the first outer wall.

5. The handheld optical device according to claim 4, characterized in that, One end of the first heat insulation element is adjacent to the cooling element, and the other end of the first heat insulation element extends toward and is adjacent to the heat dissipation element.

6. The handheld optical device according to claim 3, characterized in that, The housing has a second outer outer wall facing the heat sink, and a second heat insulation element is disposed between the second outer outer wall and the heat sink.

7. The handheld optical device according to claim 6, characterized in that, The second heat insulation element is attached to the second outer wall.

8. The handheld optical device according to claim 6, characterized in that, The first outer outer wall and the second outer outer wall are connected and transition continuously at the connection point.

9. The handheld optical device according to claim 8, characterized in that, The first heat insulation component and the second heat insulation component are integrally constructed.

10. The handheld optical device according to any one of claims 6-9, characterized in that, The second heat insulation component is one of aerogel or ceramic fiber.

11. The handheld optical device according to any one of claims 3-9, characterized in that, A third heat insulation element is arranged between the inner wall and the reflector cup.

12. The handheld optical device according to claim 11, characterized in that, The first thermal insulation component is one of aerogel and ceramic fiber; The third thermal insulation component is one of aerogel or ceramic fiber.

13. The handheld optical device according to claim 1, characterized in that, The handheld optical device also includes a circuit board, which is disposed between the light-transmitting crystal and the light source. An opening is provided on the circuit board, and the light emitted by the light source can pass through the opening to illuminate the light-incident surface.

14. The handheld optical device according to claim 13, characterized in that, The heat-conducting component passes through the opening and conducts heat to connect the cooling component and the heat dissipation component at the first and second positions, respectively.

15. The handheld optical device according to claim 1 or 14, characterized in that, The heat-conducting component is a VC heat spreader.

16. A handheld optical device, characterized in that, include: case; Heat dissipation components; A light source, located below the heat sink, is used to provide the light energy required for beauty treatments and simultaneously generate initial heat. A circuit board electrically connected to the light source and located below the light source, the circuit board having an opening; A light-transmitting crystal is located below the circuit board and has a light-incident surface and a light-exit surface. The light from the light source enters the light-incident surface after passing through the opening and is emitted to the outside of the housing from the light-exit surface. A cooling component is thermally connected to the light-transmitting crystal and, in operation, conducts refrigerant to the light-transmitting crystal while simultaneously generating a second heat. A heat-conducting component passes through the opening and is thermally connected to the heat dissipation component and the cooling component respectively, and the heat-conducting component conducts the second heat to the heat dissipation component; A first heat insulation component is provided between the heat-conducting component and the light source. The first heat insulation component is used to prevent the first heat from being conducted to the heat-conducting component, so as to reduce or avoid the interference of the first heat on the second heat when the second heat is conducted from the cooling component to the heat dissipation component.

17. The handheld optical device according to claim 16, characterized in that, The handheld optical device further includes a housing and a reflector cup, the housing having a first outer outer wall facing the heat conductor and an inner outer wall for fixing the reflector cup, the first heat insulation member being located between the first outer outer wall and the heat conductor.

18. The handheld optical device according to claim 17, characterized in that, The housing has a second outer outer wall facing the heat sink, and a second heat insulation element is disposed between the second outer outer wall and the heat sink.

19. The handheld optical device according to claim 18, characterized in that, A third heat insulation element is arranged between the inner wall and the reflector cup.

20. The handheld optical device according to claim 19, characterized in that, The first thermal insulation component is one of aerogel and ceramic fiber; The second thermal insulation component is one of aerogel or ceramic fiber; The third thermal insulation component is one of aerogel or ceramic fiber.

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