CN214232430U - Heat radiator and beauty instrument - Google Patents

Abstract

The utility model relates to a heat abstractor and beauty instrument. The heat dissipation device comprises a radiator and a heat pipe, wherein the heat pipe is arranged in the radiator or on the surface of the radiator; the radiator is a fin type radiator formed by assembling a plurality of radiating fins; the radiating fins are provided with through type ventilation holes and buckling positions; the ventilation holes among the plurality of radiating fins are aligned, and the buckling positions are mutually connected and positioned. The beauty instrument uses the heat dissipation device to refrigerate a working surface or is used for dissipating heat of the light source component.

Description

Heat radiator and beauty instrument

Technical Field

The utility model relates to a heat radiation structure, especially a heat abstractor and beauty instrument.

Background

Currently, some portable or handheld beauty instruments on the market use light waves to remove hair or beautify the skin, and the heat dissipation efficiency of the instruments is very important; the equipment is small in size, limited in internal space and limited in size of the radiator, and the problems of heat dissipation efficiency and reasonable design of a heat dissipation structure exist.

Disclosure of Invention

A primary object of the present invention is to provide a heat dissipation device, which solves the problems of low heat dissipation efficiency and difficult design of heat dissipation structure of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat dissipation device comprises a radiator and a heat pipe, wherein the heat pipe is arranged in the radiator or on the surface of the radiator; the radiator is a fin type radiator formed by assembling a plurality of radiating fins; the radiating fins are provided with through type ventilation holes and buckling positions; the ventilation holes among the plurality of radiating fins are aligned, and the buckling positions are mutually connected and positioned.

Furthermore, the buckling positions are arranged at the edges of the ventilation holes; the buckling position is provided with a clamping tongue and a clamping groove; the clamping tongue of the next radiating fin is clamped into the clamping groove of the previous radiating fin in the two adjacent radiating fins so as to be mutually connected and positioned; the plurality of radiating fins are arranged in parallel; the radiating fins are metal flat plates or metal sheets; one or more vent holes are formed in the heat dissipation fins; one or more buckling positions are arranged on the heat dissipation fins; the radiating fins are saw-tooth fins.

Furthermore, the buckling position is a clamping piece which is convexly arranged on the edge of the vent hole; the top of the card is provided with the clamping tongue, and the bottom of the card is provided with the clamping groove; the card is vertical to the edge of the vent hole or the surface of the heat dissipation fin; the clamping groove is matched with the clamping tongue in size; the clamping tongue of the rear radiating fin is clamped in the clamping groove of the front radiating fin to be tightly matched; the clamping tongue of the rear radiating fin is clamped into the clamping groove of the front radiating fin, and the clamping tongue seals the clamping groove; the ventilation holes are arranged on one side or two sides of the radiating fins.

Furthermore, the top of the card is narrower to form a clamping tongue, and the bottom of the card is wider and provided with the clamping groove; the card is a T-shaped buckle; the bottom of the card is positioned on the inner wall of the vent hole, and the top of the card is protrudingly extended; the ventilation hole is T shape hole, the bottom of card is located the inner wall of ventilation hole broad, and the top extends with protruding perpendicularly.

Furthermore, one or more sides of the heat dissipation fins are saw-tooth-shaped edges; the plurality of radiating fins are arranged in parallel in an aligned mode, and the sawtooth-shaped edges are aligned; the edges of the heat radiating fins at the air inlet position are arranged to be saw-tooth-shaped edges.

In some embodiments, the heat dissipation device comprises one or more heat pipes mounted to the finned heat sink; the heat pipe penetrates through the plurality of radiating fins; the radiating fins are provided with through mounting holes; the heat pipe penetrates through the mounting hole, and the heat pipe is tightly contacted with the hole wall of the mounting hole so as to rapidly transfer heat; gaps are further formed in the inner sides of the mounting holes of the heat dissipation fins, and the contact area between the heat dissipation fins and the heat pipe is increased by arranging convex surfaces on the surface of the heat pipe to be tightly matched with the gaps or by adopting a soldering tin welding mode; the heat pipe and the heat dissipation fins are further welded at the mounting holes so as to increase the contact area between the heat dissipation fins and the heat pipe.

Furthermore, one or more sections of the heat pipe penetrate through the heat dissipation fins, and the heat dissipation fins are correspondingly provided with one or more mounting holes; a refrigerant is filled in the heat pipe; the heat dissipation fins are used for dissipating heat for the heat pipe, and the heat pipe is used for dissipating heat for an external element; the heat of the external element is quickly absorbed through the close contact between the heat pipe and the external element; or the heat pipe is provided with a heat conducting piece, the heat pipe and the heat conducting piece are in decryption contact to conduct heat quickly, and the heat conducting piece is in close contact with an external element to absorb heat of the external element quickly; the heat conducting piece is matched with the shape and the area of the surface of the heat pipe in contact with the heat conducting piece.

As some embodiments, the heat pipe is a copper pipe; the heat conducting piece is a heat conducting plate or a heat conducting ring; the radiating fins are copper plates; one end of the heat pipe penetrates through the radiating fins, and the other end of the heat pipe is wound into a bent or bent shape and is used for being in contact with an external element or fixing the heat conducting piece so as to increase the contact area.

The utility model also provides a beauty instrument, which is internally provided with a light source component, a power supply unit and a control circuit board; the power supply unit supplies power to the light source component; the front end surface of the beauty instrument is a working surface; the beauty instrument controls the power supply unit to excite the light source assembly to generate pulsed light through the control circuit board so as to be used for beauty treatment or treatment; one or more heat dissipation devices are arranged in the beauty instrument and used for refrigerating the working surface and/or dissipating heat of the light source component.

As some embodiments, the working surface of the beauty instrument is a refrigeration sheet or is refrigerated by the refrigeration sheet, the refrigeration sheet comprises a hot end and a cold end, the cold end is used as the working surface or is used for refrigerating the working surface, and the hot end is in close contact with a heat pipe of the heat dissipation device or a heat conduction piece arranged on the heat pipe so as to rapidly transfer heat; and/or the reflecting cup or the heat conducting cover of the light source component is tightly contacted with one end of the heat pipe of the heat radiating device or the heat conducting piece arranged on the heat pipe so as to quickly conduct the heat generated by the light source component to the heat pipe, and the other end of the heat pipe is arranged on the finned radiator.

The working surface is made of transparent crystal materials, so that an ice compress effect is achieved; the light source assembly comprises a lamp tube for generating IPL pulsed light to generate the IPL pulsed light; the power supply unit is a capacitor; the beauty instrument is a depilatory instrument; a bin channel is arranged in the beauty instrument and used for installing a light filtering component; the beauty instrument is provided with the light filtering component, so that the pulse light generated by the light source component is filtered by the light filtering component to obtain the transmission light with the beauty or treatment efficacy, and the transmission light is transmitted to the working surface to be emitted out for beauty or treatment operation; the cosmetic instrument is replaceably fitted with different filter assemblies; the beauty instrument comprises a shell, wherein an air inlet and an air outlet are formed in the shell; the light source assembly, the power supply unit, the control circuit board and the heat dissipation device are arranged in the shell; the air inlet, the space on the surface of the radiating fin and the air outlet are communicated with each other through air passages to form an air cooling channel; and a fan is further arranged on one side of the finned radiator and positioned in the air cooling channel and used for sucking cold air from the air inlet and/or discharging hot air to the air outlet.

The utility model adopts the above technical scheme, gain following effect:

through-penetrating vent holes and buckling positions are arranged on the radiating fins; the ventilation holes among the plurality of radiating fins are aligned, and the buckling positions are mutually connected and positioned, so that a better air inlet effect is obtained, the radiating efficiency is higher, and ventilation shielding caused by arranging other fixing and positioning parts on the radiating fins is avoided.

Furthermore, the notches are arranged on the inner sides of the mounting holes of the heat-radiating fins for mounting the heat pipes, and a soldering process is added on the heat pipes and the fins, so that the contact area between the heat pipes and the fins is increased, and the connection is firmer. Furthermore, the zigzag radiating fins can divide the sucked cold air into a plurality of small strands, so that the resistance of the air is reduced, and the air inlet is smoother.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of a heat dissipation device according to a first embodiment of the present invention.

Fig. 2 is a perspective view of a heat sink according to a second embodiment of the present invention.

Fig. 3 is another perspective view of a heat dissipation device according to a second embodiment of the present invention.

Fig. 4 is a perspective view of the beauty instrument according to the embodiment of the present invention.

Fig. 5 is an exploded view of the beauty instrument according to the embodiment of the present invention.

Fig. 6 is a schematic view of another application embodiment of a heat dissipation device according to an embodiment of the present invention.

Fig. 7 is an exploded view of a part of the beauty instrument according to another embodiment of the present invention.

Detailed Description

It should be noted that, in the present invention, features of various embodiments and embodiments can be combined with each other without conflict, and the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention provides a heat dissipation apparatus 10, which includes a heat sink and a heat pipe 2, wherein the heat pipe 2 is installed inside or on a surface of the heat sink. In this embodiment, the heat sink is a fin-type heat sink assembled by a plurality of heat dissipation fins 1. The heat dissipation device 10 may include one or more heat pipes 2 mounted to the finned heat sink. Preferably, the heat pipe 2 is inserted into the heat sink 1. A plurality of heat dissipation fins 1 are assembled in parallel to form a group of parallel heat dissipation fins 1, and the edges are aligned.

The radiating fin 1 is provided with one or more through ventilation holes 11 and one or more buckling positions 13; the ventilation holes 11 of the plurality of radiating fins 1 are aligned, and the buckling positions 13 are mutually connected and positioned. Preferably, the fastening position 13 is disposed at the edge of the ventilation hole 11.

The fastening position 13 is provided with a latch 130 and a slot 131, so that the latch 130 of the next heat dissipating fin is latched into the slot 131 of the previous heat dissipating fin in two adjacent heat dissipating fins, thereby connecting and positioning the two adjacent heat dissipating fins. In a specific example, the locking position 13 is a card protrudingly disposed at the edge of the ventilation hole 11. The top of the card is provided with a clamping tongue 130, and the bottom of the card is provided with a clamping groove 131; the card protrudes upward perpendicular to the edge of the vent hole or perpendicular to the surface of the radiator fin 1. The size of the slot 131 is matched with that of the latch 130, the latch 130 is inserted into the slot 131 for locking, and preferably, the latch 130 is inserted into the slot 131 to just close the slot 131 to form a flat card. More specifically, the top of the card is narrower to form a latch 131, and the bottom is wider and provided with the slot 131; the card is a T-shaped clasp with the bottom of the card located on the inner wall of the vent hole 11 and the top extending convexly upward. The vent holes 11 may be provided as T-shaped holes with the bottom of the card being located on the wider inner wall of the vent holes and extending vertically.

In this embodiment, the heat sink fins 1 are metal plates or metal sheets, and the ventilation holes 11 are disposed on one or more sides of the heat sink fins and penetrate through the thickness of the heat sink fins. The left and right sides of the heat dissipation fins may be respectively provided with a ventilation hole 11, and certainly, a plurality of ventilation holes 11 may also be provided.

The heat dissipation fins of the present invention are saw-tooth fins, and one or more sides of the heat dissipation fins 1 are saw-tooth edges 12. The plurality of fins are aligned and arranged in parallel with each other, and the saw-tooth edges 12 are aligned. Preferably, the edge of the heat sink at the air inlet position is a sawtooth edge 12.

The heat dissipation fin 1 is provided with a through mounting hole 14, the heat pipe 2 penetrates through the mounting hole 14, and the heat pipe 2 is tightly contacted with the wall of the mounting hole 14 to rapidly transfer heat.

In some embodiments, the inside of the mounting hole 14 may further be provided with a notch 140 to increase the contact area between the radiator fin 1 and the heat pipe 2, and the contact area may be increased by providing a convex surface on the surface of the heat pipe 2 to closely fit with the notch 140 or by soldering.

Further, the heat pipe 2 and the fin 1 are further welded at the mounting hole 11, so that the contact area is increased and the connection is more secure.

The heat dissipation device 10 may be mounted to the finned heat sink using one or more heat pipes 2, two heat pipes 2 are shown.

One or more sections of the heat pipe 2 are arranged in the heat dissipation fin 1 in a penetrating manner, and one or more mounting holes 11 are correspondingly arranged on the heat dissipation fin 1. For example, one end of each of the two heat pipes 2 is inserted into the two mounting holes 11 of the radiator fin 1 to transfer heat to the radiator fin 1, and the other end is used for being grounded to an external heating element to absorb heat.

The refrigerant is filled in the heat pipe 2, the refrigerant in the end contacted with the external heating element absorbs heat, evaporates and flows to one end of the radiator, and the refrigerant is cooled by the radiator, condensed, cooled and then circulates to the end contacted with the external heating element to continuously absorb heat.

The heat dissipation fins 1 are used for dissipating heat of the heat pipe 2, and the heat pipe 2 is used for dissipating heat of an external element. The heat pipe 2 is in close contact with an external component to rapidly absorb heat of the external component. In order to increase the contact area between the heat pipe 2 and the external heating element, the position where the heat pipe contacts the external heating element may be wound into a ring shape or other curved shape, see fig. 1.

In other embodiments, referring to fig. 2-3, the heat pipe may further include a heat conducting member 3, the heat pipe 2 and the heat conducting member 3 are in contact with each other to conduct heat rapidly, and the heat conducting member 3 is used for contacting with an external heat generating component to absorb heat of the external component rapidly.

The heat pipe 2 may be a copper pipe. The heat-conducting member 3 may be a copper plate. The radiator fin 1 may be a copper plate. Of course, the heat pipe 2, the heat conducting member 3 and the heat dissipating fin 1 may be made of other high heat conducting materials.

Referring to fig. 4-7, the present invention further provides a beauty instrument 1000, which comprises a housing 6, and the light source assembly 30, the power unit 4, the control circuit board 9 and the heat dissipation device 10 of the above embodiments are disposed in the housing. The power supply unit 4 supplies power to the light source assembly 30; the control circuit board 9 controls the power supply unit 4 to excite the light-emitting component 30 to generate pulsed light for cosmetic or therapeutic treatment; the front end surface of the beauty instrument is a light-emitting working surface 100. The heat dissipation device 10 is used for cooling the working surface 100 and also for dissipating heat from the light source assembly 30. It is understood that the cooling of the working surface 100 and the heat dissipation of the light source assembly 30 can share the same heat dissipation device 10, and a heat dissipation device 10 can be respectively disposed to dissipate or cool the heat or the heat.

The head of the beauty instrument comprises a front end cover 60, a light-emitting working surface 100 and a light source bracket 7. The light emitting face 100 is fixedly mounted on the front end of the body of the beauty instrument by a front end cover 60, and the light source assembly 30 is mounted on the light source holder 7.

In some embodiments, the working surface 100 of the beauty instrument 1000 is or is cooled by a cooling plate, preferably a semiconductor cooling plate. The refrigerating sheet includes a hot end and a cold end, the cold end is used as the working surface 100 or used for refrigerating the working surface 100, and the hot end is in close contact with the heat pipe 2 of the heat dissipation device 10 or in close contact with the heat conduction member 3 mounted on the heat pipe 2 to rapidly transfer heat. In the embodiment shown in the figure, the working surface 100 is a refrigeration sheet directly used as the working surface and is in contact with the skin to achieve the ice compress effect.

The light source assembly 30 includes a lamp tube that generates IPL pulsed light to generate IPL pulsed light. The power supply unit 4 is preferably a capacitor.

Preferably, the cosmetic device 1000 is a depilatory device. The light source assembly 30 generates IPL pulse light, which penetrates through the working surface 100 and then acts on the contacted skin surface to perform depilation treatment on the skin.

The working surface 100 may be made of a transparent crystalline material to obtain an ice compress effect. Or the refrigerating plate directly takes the transparent crystal as a cold end. Specifically, the mountable refrigeration piece in the light-emitting working face 100 rear of beauty instrument front end is given working face 100 refrigeration by the refrigeration piece. Alternatively, in other examples, the cold side of the semiconductor cooling plate is directly used as the working surface 100 to contact the skin. The cold surface of the transparent crystal can be used as the light-emitting working surface 100 or the transparent crystal refrigerated by the refrigerating sheet can be used as the light-emitting working surface 100 to be contacted with the skin for beautifying or treating, and meanwhile, the ice compress effect can be formed on the skin.

Referring again to fig. 5, in the beauty instrument 1000 (e.g. depilating device), the heat sink 10 is used for cooling the cooling plate 100 ', and is connected to the cooling plate 100 ' for cooling the cooling plate 1, the cooling plate 100 ' includes a hot end and a cold end, the cold end is used as the working surface 100 or is used for cooling the working surface 100, and the hot end is in close contact with one end of the heat pipe 2 of the heat sink 10 of the above embodiment or with the heat conducting member 3 mounted on the heat pipe 2 for rapid heat transfer.

Referring to the arrows in fig. 4, the housing 6 is provided with an air inlet and an air outlet to introduce cold air into the housing for air cooling and heat dissipation. The beauty instrument 1000 is provided with a power cord and/or a power interface, which is connected to an external power source. The light source assembly 30 may be a lamp tube, the interior of which is provided with a pulse light generating module, the lamp tube is sleeved with a reflecting cup 31, and the reflecting cup 31 is made of a heat conducting material. The air inlet on the shell can blow cold air to the surface of the reflection cup 31 and the heat is dissipated through the air cooling channel.

The air inlet arranged on the shell 6 of the beauty instrument, the space outside the surface of the radiating fins 1 in the shell and the air outlet are communicated by air passages to form an air cooling channel. In the shell 6, a fan 8 is further arranged on one side of the finned radiator, and the fan 8 is located in the air cooling channel and used for sucking cold air from the air inlet and/or discharging hot air to the air outlet. The fan 25 may be electrically connected to the control circuit board 9, and its operation is controlled by the control circuit board 9.

Referring to fig. 6, in other embodiments, the heat sink 10 may also be used for dissipating heat to the light source assembly 30, or the heat sink 10 for dissipating heat to the light source assembly 30 may be disposed in the casing 6 of the cosmetic instrument. A heat conducting cover 32 is disposed outside the light source assembly 30, one side of the heat conducting cover 32 is provided with the light source assembly and can rapidly conduct heat generated by the operation of the light source assembly 30, and the other side of the heat conducting cover 32 is provided with one end of the heat pipe 2 of the heat dissipation device 10 and is in close contact with the heat pipe, so as to rapidly conduct the heat of the heat conducting cover 32 to the heat pipe. One end of the heat pipe 2 is bent in an L-shape to be closely fitted with the mounting groove in the heat conductive cover 32.

In another embodiment, referring to fig. 7, a channel 8 is provided in the cosmetic instrument 1000 for receiving the filter assembly 5. When the light source module works, the pulse light generated by the light source module 30 is filtered by the filtering module 5 and then transmitted to the light emergent working surface 100, and the transmitted light wave is used for beauty treatment or treatment operation.

In a specific example, the bin 8 is disposed on the light source support 7. The pulse light generated by the light source assembly 30 is filtered by the light filtering assembly 5 and transmitted to the light emergent working surface 100, and skin beauty is performed after the pulse light is transmitted. The cosmetic instrument 1000 may be configured with a plurality of filter assemblies 5 for optional use. The filter assembly 5 is detachably and replaceably assembled in the beauty instrument, and in different filter assemblies 5, the filter wavelength band of the filter 500 can be set to be different, so as to obtain the emergent light with different wavelength bands, and correspondingly obtain different beauty efficacies. The filter assembly 5 used in the beauty instrument 1000 with hair removal function preferably has a wavelength of 610nm or more, for example, a filter assembly with a wavelength range of 610nm and 1200nm is used to transmit light with a wavelength of more than 610nm out of the working surface 10. In other embodiments, the light wave of at least one filtering component 5 may be 645-750nm, that is, the two-band filtering component filters the light waves below 645nm and above 750nm, and the wavelength of the emergent light is 645-750 nm. Examples of the wavelength of the filter and the cosmetic efficacy of the cosmetic instrument include, but are not limited to:

the filter of 430-1200nm can be used for treating inflammatory acne;

480-1200nm filter can be used for treating acne and vascular lesions;

the filter of 530 and 1200nm can be used for treating vascular (superficial fine blood vessels) and pigment lesions;

560-1200nm filters can be used for wrinkle reduction, treatment of pigmentary and vascular lesions (deep thick blood vessels);

the filter with 640-1200nm can be used for hair removal, skin tendering and deep red removal;

690 and 1200nm filter can be used for depilation, deep red removal, etc.

The housing 6 may be provided with a chamber opening for the optical filtering assembly 5 to enter or exit the chamber 8, the chamber opening is communicated with the chamber 8, and the optical filtering assembly 5 is inserted into or exits the beauty instrument 1000 from the chamber opening on the housing.

In the heat dissipation device 10 of the present invention, the heat dissipation fins 1 are provided with through-type ventilation holes 11 and fastening positions 13; the ventilation holes 11 among the plurality of radiating fins 1 are aligned, and the buckling positions 13 are mutually connected and positioned, so that a better air inlet effect is obtained, the radiating efficiency is higher, and ventilation and shielding caused by arranging other fixing and positioning parts on the radiating fins are avoided.

Furthermore, the notch 140 is arranged on the inner side of the mounting hole 14 for mounting the heat pipe 2 on the heat dissipation fin 1, and a soldering process is added for the heat pipe and the fin, so that the contact area between the heat pipe and the fin is increased, and the connection is firmer.

Furthermore, the zigzag radiating fins can divide the sucked cold air into a plurality of small strands, so that the resistance of the air is reduced, and the air inlet is smoother; and simultaneously reduces wind noise.

Adopt the utility model discloses a heat abstractor 10 is as working face 100 and/or the radiating beauty instrument 1000 of light source subassembly 30, because heat abstractor 10 has improved the radiating efficiency greatly, can design into compacter size, has improved beauty instrument 1000's radiating efficiency greatly, avoids the overheated work that leads to of beauty instrument 1000 to become invalid, customer experience subalternation problem. The design of the size and shape of the beauty instrument 1000 is more flexible.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not explicitly or implicitly indicate that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and are intended to be within the scope of the invention; the scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A heat dissipation device comprises a radiator and a heat pipe, wherein the heat pipe is arranged in the radiator or on the surface of the radiator; the method is characterized in that: the radiator is a fin type radiator formed by assembling a plurality of radiating fins; the radiating fins are provided with through type ventilation holes and buckling positions; the buckling positions are arranged at the edges of the ventilation holes; the ventilation holes among the plurality of radiating fins are aligned, and the buckling positions are mutually connected and positioned.

2. The heat dissipating device of claim 1, wherein:

the buckling position is provided with a clamping tongue and a clamping groove;

the clamping tongue of the next radiating fin is clamped into the clamping groove of the previous radiating fin in the two adjacent radiating fins so as to be mutually connected and positioned;

the plurality of radiating fins are arranged in parallel;

the radiating fins are metal flat plates or metal sheets;

one or more vent holes are formed in the heat dissipation fins;

one or more fastening positions are arranged on the heat dissipation fins.

3. The heat dissipating device of claim 2, wherein:

the buckling positions are clamping pieces which are arranged on the edges of the ventilation holes in a protruding mode;

the top of the card is provided with the clamping tongue, and the bottom of the card is provided with the clamping groove;

the card is vertical to the edge of the vent hole or the surface of the heat dissipation fin;

the clamping groove is matched with the clamping tongue in size;

the clamping tongue of the rear radiating fin is clamped in the clamping groove of the front radiating fin to be tightly matched;

the clamping tongue of the rear radiating fin is clamped into the clamping groove of the front radiating fin, and the clamping tongue seals the clamping groove;

the ventilation holes are arranged on one side or two sides of the radiating fins;

the top of the card is narrower to form a clamping tongue, and the bottom of the card is wider and provided with the clamping groove; the card is a T-shaped buckle;

the bottom of the card is positioned on the inner wall of the vent hole, and the top of the card is protrudingly extended;

the ventilation hole is T shape hole, the bottom of card is located the inner wall of ventilation hole broad, and the top extends with protruding perpendicularly.

4. The heat dissipating device of claim 1, wherein:

the heat dissipation fins are saw-tooth-shaped fins;

one or more sides of the heat dissipation fins are saw-tooth edges;

the plurality of radiating fins are arranged in parallel in an aligned mode, and the sawtooth-shaped edges are aligned;

the edges of the heat radiating fins at the air inlet position are arranged to be saw-tooth-shaped edges.

5. The heat dissipating device of any of claims 1 to 4, wherein:

the heat dissipation device comprises one or more heat pipes which are arranged on the finned radiator;

the heat pipe penetrates through the plurality of radiating fins;

the radiating fins are provided with through mounting holes; the heat pipe penetrates through the mounting hole, and the heat pipe is tightly contacted with the hole wall of the mounting hole so as to rapidly transfer heat;

gaps are further formed in the inner sides of the mounting holes of the heat dissipation fins, and the contact area between the heat dissipation fins and the heat pipe is increased by arranging convex surfaces on the surface of the heat pipe to be tightly matched with the gaps or by adopting a soldering tin welding mode;

the heat pipe and the heat dissipation fins are further welded at the mounting holes so as to increase the contact area between the heat dissipation fins and the heat pipe.

6. The heat dissipating device of claim 5, wherein:

one or more sections of the heat pipe penetrate through the heat dissipation fins, and the heat dissipation fins are correspondingly provided with one or more mounting holes;

a refrigerant is filled in the heat pipe;

the heat dissipation fins are used for dissipating heat for the heat pipe, and the heat pipe is used for dissipating heat for an external element;

the heat of the external element is quickly absorbed through the close contact between the heat pipe and the external element; or the heat pipe is provided with a heat conducting piece, the heat pipe and the heat conducting piece are in decryption contact to conduct heat quickly, and the heat conducting piece is in close contact with an external element to absorb heat of the external element quickly;

the heat conducting piece is matched with the shape and the area of the surface of the heat pipe contacted with the heat conducting piece.

7. The heat dissipating device of claim 6, wherein:

the heat conducting piece is a heat conducting plate or a heat conducting ring;

the heat pipe is a copper pipe;

the radiating fins are copper plates;

one end of the heat pipe penetrates through the radiating fins, and the other end of the heat pipe is wound into a bent or bent shape and is used for being in contact with an external element or fixing the heat conducting piece so as to increase the contact area.

8. A beauty instrument is provided with a light source component, a power supply unit and a control circuit board; the power supply unit supplies power to the light source component; the front end surface of the beauty instrument is a working surface; the beauty instrument controls the power supply unit to excite the light source assembly to generate pulsed light through the control circuit board so as to be used for beauty treatment or treatment; the method is characterized in that: the beauty instrument is also internally provided with one or more heat dissipation devices according to any one of claims 1 to 7, wherein the heat dissipation devices are used for cooling the working surface and/or dissipating heat of the light source component.

9. The cosmetic instrument of claim 8, wherein:

the beauty instrument comprises a shell, wherein an air inlet and an air outlet are formed in the shell; the light source assembly, the power supply unit, the control circuit board and the heat dissipation device are arranged in the shell; the air inlet, the space on the surface of the radiating fin and the air outlet are communicated with each other through air passages to form an air cooling channel;

a fan is further arranged on one side of the finned radiator and is positioned in the air cooling channel and used for sucking cold air from the air inlet and/or discharging hot air to the air outlet;

the working surface of the beauty instrument is a refrigeration sheet or is refrigerated by the refrigeration sheet, the refrigeration sheet comprises a hot end and a cold end, the cold end is used as the working surface or is used for refrigerating the working surface, and the hot end is in close contact with a heat pipe of the heat dissipation device or a heat conduction piece arranged on the heat pipe so as to rapidly transfer heat; and/or

The reflecting cup or the heat conducting cover of the light source component is in close contact with one end of the heat pipe of the heat radiating device or the heat conducting piece arranged on the heat pipe so as to quickly conduct the heat generated by the light source component to the heat pipe, and the other end of the heat pipe is arranged on the finned radiator.

10. The cosmetic instrument of claim 8, wherein:

a bin channel is arranged in the beauty instrument and used for installing a light filtering component; the beauty instrument is provided with the light filtering component, so that the pulse light generated by the light source component is filtered by the light filtering component to obtain the transmission light with the beauty or treatment efficacy, and the transmission light is transmitted to the working surface to be emitted out for beauty or treatment operation;

the cosmetic instrument is replaceably fitted with different filter assemblies;

the working surface is made of transparent crystal materials, so that an ice compress effect is achieved;

the light source assembly comprises a lamp tube for generating IPL pulsed light to generate the IPL pulsed light;

the power supply unit is a capacitor;

the beauty instrument is a depilatory instrument.

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