CN217844479U

CN217844479U - Air duct heat dissipation mechanism and depilating instrument

Info

Publication number: CN217844479U
Application number: CN202221533445.2U
Authority: CN
Inventors: 李海亮; 潘玉平
Original assignee: Hangzhou Youlai Technology Co ltd
Current assignee: Hangzhou Youlai Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-18
Anticipated expiration: 2032-06-17

Abstract

The utility model is suitable for the technical field of instrument heat dissipation, and provides a wind channel heat dissipation mechanism, which comprises a fan component, a first air outlet and a second air outlet, wherein the fan component is used for driving cooling airflow to flow; a light source assembly; the heat dissipation air guide assembly is used for transmitting cooling air flow, the heat dissipation air guide assembly encloses a first air channel, a second air channel and a third air channel which are sequentially communicated, the first air outlet is communicated with the first air channel, the light source assembly is located in the first air channel, the second air channel is far away from the light source assembly, and the third air channel is in contact with the light source assembly. The air duct heat dissipation mechanism is designed by means of the air duct structure, so that cooling air flow is heated twice in the air duct, the flowing of the cooling air flow in the air duct is accelerated, the light source assembly can be quickly cooled, and the heat dissipation efficiency is improved.

Description

Air duct heat dissipation mechanism and depilating instrument

Technical Field

The utility model belongs to the technical field of the apparatus heat dissipation, especially, relate to a wind channel heat dissipation mechanism and appearance that moults.

Background

With the development of modern society, the living standard of people is continuously improved, the demand of people on beauty products is more and more abundant, and the depilating apparatus as a novel beauty product has wide market prospect. The appearance that moults on the market at present generally adopts the laser mode to moult, and the appearance that moults promptly produces laser irradiation human skin through the light source, and melanocyte in the hair follicle can absorb laser, makes the hair follicle temperature rise, and then makes the hair follicle destroy, reaches the effect that moults. Because the laser emission tube can also generate larger heat when generating strong light, if the heat is not processed in time, the surface temperature of the depilating instrument is too high, the depilating instrument can be damaged by the skin of a human body when in use, and moreover, the internal components of the depilating instrument are easy to be abnormal and damaged due to high temperature, so that the heat dissipation performance of the depilating instrument is an important index for evaluating the performance of the depilating instrument, therefore, the depilating instrument with high heat dissipation efficiency is developed, and the depilating instrument is the aim of being realized by the manufacturers of the existing depilating instruments.

Disclosure of Invention

An object of the utility model is to provide a wind channel heat dissipation mechanism and appearance that moults aims at solving the problem that the appearance radiating efficiency that moults among the prior art is low.

In order to achieve the above object, on the one hand, the utility model provides a wind channel heat dissipation mechanism, including the fan subassembly for the drive cooling air current flows, the fan subassembly is equipped with first air outlet, light source subassembly, and heat dissipation wind-guiding subassembly is used for transmitting the cooling air current, heat dissipation wind-guiding subassembly encloses and establishes first wind channel, second wind channel and the third wind channel that forms the intercommunication in proper order, first air outlet with first wind channel intercommunication, the light source subassembly is located in the first wind channel, the second wind channel is kept away from the light source subassembly, the third wind channel with the light source subassembly contact.

In an embodiment of the application, the light source assembly includes a lamp tube, a light filter and a reflective cup, the light filter and the reflective cup are surrounded to form a cavity, the lamp tube is disposed in the cavity, and the cavity is a part of the first air duct.

In an embodiment of the present application, the heat dissipation and air guiding assembly includes a side plate, the side plate is located on a side of the reflection cup away from the lamp tube, and the side plate and the reflection cup form the third air duct.

In an embodiment of the present application, heat dissipation wind guide assembly includes upper housing and with the lower casing that the upper housing lid closed, first wind channel with the second wind channel is formed in the upper housing with between the casing down, cooling air is in transmission direction in the third wind channel is for keeping away from the direction of casing down.

In an embodiment of the present application, the side plate is composed of an upper side plate and a lower side plate, the upper side plate is connected to the upper housing, the lower side plate is connected to the lower housing, the upper housing is covered with the lower housing, and the upper side plate is butted with the lower side plate.

In an embodiment of the present application, the lower housing is provided with a lamp holder, and the lamp holder is used for supporting the lamp tube so that the lamp tube does not contact with the inner wall of the cavity.

In an embodiment of the present application, a baffle is disposed at a joint of the first air duct and the second air duct, the second air duct is divided into a main second air duct and a secondary second air duct which are communicated with each other by the baffle, the first air duct is communicated with the main second air duct, and the secondary second air duct is communicated with the third air duct.

On the other hand, the utility model provides an appearance moults, including the shell and last wind channel heat dissipation mechanism, be equipped with the heat dissipation export on the shell, the third wind channel with the heat dissipation export sets up relatively.

In an embodiment of the present application, the appearance that moults includes the heat conduction subassembly, the heat conduction subassembly includes the base plate and the laminating the fin subassembly of base plate, the fin subassembly is located fan subassembly with between the curb plate, fan subassembly is equipped with the second air outlet, the fin subassembly is located the position that corresponds the second air outlet, just the fin subassembly is just to the thermovent setting of shell.

In one embodiment of the present application, the epilator comprises a cold compress assembly comprising a sapphire crystal and a semiconductor chilling plate in contact with the sapphire crystal.

Compared with the prior art, the utility model provides a wind channel heat dissipation mechanism relies on its self wind channel structural design for cooling air is heated twice in the wind channel, thereby has accelerated cooling air's among the wind channel flow, makes can be quick dispel the heat to light source module, has improved the radiating efficiency. The fan assembly provides cooling air flow for the first air channel, the light source assembly is located in the first air channel, the cooling air flow can carry out first heat dissipation on the light source assembly, the light source assembly can also carry out first heating on the cooling air flow, the flow of the cooling air flow is accelerated due to the fact that air is heated to expand, and the transmission time of the cooling air flow in the first air channel is shortened, so that the cooling air flow can rapidly enter the second air channel through the first air channel, the cooling air flow from the fan assembly can rapidly enter the first air channel, namely the cooling air flow in the first air channel can be rapidly replaced, and effective cooling of the light source assembly in the first air channel is guaranteed; because the second air duct is far away from the light source component, the temperature of the cooling air flow can be slowly reduced in the transmission process of the cooling air flow in the second air duct, but because the temperature and the air pressure of the cooling air flow in the first air duct are high, the cooling air flow in the second air duct can be also promoted to be quickly transmitted to the third air duct, and the heat dissipation efficiency cannot be reduced; in addition, when the cooling air flow arrives at the third air duct from the second air duct, the temperature of the cooling air flow is reduced, and the third air duct is contacted with the light source component, therefore, the cooling air flow in the third air duct can carry out secondary heat dissipation on the light source component, meanwhile, the light source component can also carry out secondary heating on the cooling air flow in the third air duct, so that the cooling air flow in the third air duct can be quickly discharged from the third air duct, namely, the cooling air flow in the first air duct, the cooling air flow in the second air duct and the third air duct can be quickly discharged from the air ducts, and the fan component can continuously provide the cooling air flow for the first air duct, so that the replacement speed of the cooling air flow in the first air duct, the second air duct and the third air duct is increased, not only can the effective heat dissipation of the light source component be ensured, but also the heat dissipation efficiency of the light source component is improved.

Drawings

Fig. 1 is an exploded view of an epilating apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of an epilating apparatus according to an embodiment of the present invention;

fig. 3 is an exploded view of a heat dissipation mechanism of an air duct according to an embodiment of the present invention;

fig. 4 is a schematic view of a light source assembly provided by an embodiment of the present invention;

fig. 5 is an exploded view of a heat dissipation and air guiding assembly according to an embodiment of the present invention;

fig. 6 is an exploded view of a heat dissipation and air guiding assembly according to another embodiment of the present invention;

fig. 7 is a schematic view of a heat conducting assembly provided by the present invention.

Description of the drawings:

an epilating apparatus 100; an air duct heat dissipation mechanism 10; a fan assembly 11; a first air outlet 111; a second air outlet 112; a light source assembly 12; a lamp tube 121; an optical filter 122; a reflective cup 123; a cavity 124; a heat dissipation and air guide assembly 13; a first air duct 131; a second air duct 132; a primary second air duct 1321; a secondary air duct 1322; a third air duct 133; side plates 134; an upper side plate 1341; a lower side plate 1342; a lower housing 135; an upper housing 136; a lamp holder 1351; a baffle 137; a heat conductive member 20; a substrate 21; a heat sink member 22; a cold compress assembly 30; a sapphire crystal 31; a semiconductor refrigeration chip 32; a housing 40; a heat dissipation outlet 41.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-2, for the depilating device 100 provided by the embodiment of the present invention, including the housing 40, the air duct heat dissipation mechanism 10, the heat conduction assembly 20 and the cold compress assembly 30, the air duct heat dissipation mechanism 10 is used for dissipating heat of the internal components of the depilating device 100, the heat conduction assembly 20 is used for transferring away the heat of the cold compress assembly 30, and the cooling of the cold compress assembly 30 is realized, wherein the air duct heat dissipation mechanism 10, the heat conduction assembly 20 and the cold compress assembly 30 are all disposed in the housing 40, and the housing is provided with the heat dissipation outlet 41.

As shown in fig. 2-3, for the air duct heat dissipation mechanism 10 provided by the embodiment of the present invention, including the fan assembly 11, the light source assembly 12 and the heat dissipation wind guiding assembly 13, wherein the fan assembly 11 is provided with the first air outlet 111, the fan assembly 11 is used to drive the cooling air to flow into the heat dissipation wind guiding assembly 13 through the first air outlet 111, the heat dissipation wind guiding assembly 13 encloses and forms the first air duct 131, the second air duct 132 and the third air duct 133 which are sequentially communicated, the first air outlet 111 is communicated with the first air duct 131, the third air duct 133 is arranged opposite to the heat dissipation outlet 41, that is, the first air outlet 111 is communicated with the inlet of the first air duct 131, the outlet of the first air duct 131 is communicated with the inlet of the second air duct 132, the outlet of the second air duct 132 is communicated with the inlet of the third air duct 133, the outlet of the third air duct 133 is opposite to the heat dissipation outlet 41, the cooling air flows sequentially through the first air duct 131, the second air duct 132 and the third air duct 133 of the heat dissipation wind guiding assembly 13 for transmission, and further leave the depilating instrument 100 through the heat dissipation outlet 41. Wherein the direction of the arrows in fig. 2 indicates the direction of the cooling air flow.

Further, the light source assembly 12 is disposed in the first air channel 131, the second air channel 132 is far away from the light source assembly 12, and the third air channel 133 is in contact with the light source assembly 12.

Light source subassembly 12 can launch the highlight at the during operation, and simultaneously a large amount of heat production in addition, if this part heat is not handled in time, will lead to spare part temperature rise around the light source subassembly 12, leads to spare part to appear unusually or damage etc. therefore light source subassembly 12 is at the during operation, and it is necessary to handle the heat that it produced in time. The embodiment of the utility model provides an in the wind channel heat dissipation mechanism 10, light source subassembly 12 is established in first wind channel 131, the cooling air current that its production of fan subassembly 11 drive at first enters into first wind channel 131, realize heat transfer for the first time between cooling air current and light source subassembly 12, light source subassembly 12 gives the cooling air current with the heat transfer that self produced, the temperature of light source subassembly 12 self reduces, the realization carries out radiating purpose to light source subassembly 12, moreover, cooling air current makes the temperature of light source subassembly 12 reduce the time, light source subassembly 12 has also carried out the primary heating to cooling air current, make the temperature of cooling air current self rise, because the gas is heated the inflation, atmospheric pressure increases, thereby can order about the more quick flow of cooling air current in first wind channel 131 to second wind channel 132, and fan subassembly 11 continuous drive cooling air current flows in first wind channel 131, make cooling air current in first wind channel 131 can in time change, namely continuous new cooling air current gets into in first wind channel 131, thereby when improving the radiating efficiency, still can guarantee effectively dispel the heat to light source subassembly 12.

The cooling airflow with the raised heated temperature flows out of the first air duct 131 and then enters the second air duct 132, and since the second air duct 132 is far away from the light source assembly 12, the temperature of the cooling airflow will slowly decrease during the transmission process of the cooling airflow in the second air duct 132, and since new cooling airflow is continuously heated in the first air duct 131, the air expansion pressure is increased, so that the cooling airflow is rapidly transmitted into the second air duct 132, that is, the transmission speed of the cooling airflow in the second air duct 132 is not slowed, and high heat dissipation efficiency can still be maintained.

The cooling airflow with reduced temperature flows out from the second air duct 132 and then is immediately carried out in the third air duct 133, because the third air duct 133 is in contact with the light source assembly 12, the light source assembly 12 can carry out secondary heat transfer with the cooling airflow in the third air duct 133, the temperature of the light source assembly 12 can be reduced, that is, the cooling airflow carries out secondary cooling on the light source assembly 12, so that the heat dissipation air guide assembly 13 ensures the heat dissipation effect on the light source assembly 12, in addition, the temperature of the cooling airflow in the third air duct 133 can be raised, that is, the light source assembly 12 carries out secondary heating on the cooling airflow, so that the air pressure of the cooling airflow in the third air duct 133 is increased, so that the cooling airflow can be rapidly transmitted away from the third air duct 133, that the cooling airflow from the fan assembly 11 can be rapidly transmitted in the heat dissipation air guide assembly 13, and the heat dissipation efficiency of the air duct heat dissipation mechanism 10 is improved.

Further, as shown in fig. 4, the light source assembly 12 includes a light tube 121, a light filter 122 and a reflective cup 123, the light filter 122 and the reflective cup 123 are surrounded to form a cavity 124, the light tube 121 is disposed in the cavity 124, and the cavity 124 is a part of the first air channel 131.

The cross section of the reflecting cup 123 is U-shaped, the lamp tube 121 is arranged in the reflecting cup 123, the optical filter 122 covers the opening of the reflecting cup 123, and the lamp tube 121 is enclosed by the reflecting cup 123 and the optical filter 122 together, so that the lamp tube 121 is wrapped. The light emitted from the lamp 121 is filtered by the filter 122 so that the wave with the desired wavelength can be emitted through the filter, and the light-reflecting cup 123 is used to emit the light emitted from the lamp 121 as much as possible through the filter 122 because the direction of the light emitted from the lamp 121 is divergent.

The heat generated by the operation of the light source assembly 12 is mainly the heat generated by the lamp 121 when the lamp 121 emits light, the lamp 121 is disposed in the cavity 124, and the cooling airflow flowing through the first air channel 131 also flows through the cavity 124, that is, the cooling airflow can directly contact with the lamp 121, so as to effectively dissipate the heat of the lamp 121.

Further, as shown in fig. 5, the heat dissipating and wind guiding assembly 13 includes a side plate 134, the side plate 134 is located on a side of the reflective cup 123 away from the lamp tube 121, and the side plate 134 and the reflective cup 123 form a third air duct 133.

The lamp tube 121 is located in the cavity 124 surrounded by the reflective cup 123 and the optical filter 122, so that the temperature of the reflective cup 123 is increased by heat generated when the lamp tube 121 emits light, the reflective cup 123 and the side plate 134 together form the third air duct 133, that is, the reflective cup 123 is a part of the third air duct 133, and cooling air in the third air duct 133 directly contacts the reflective cup 123, so that heat transfer between the cooling air in the third air duct 133 and the reflective cup 123 can be better performed, the reflective cup 123, that is, the light source assembly 12, is cooled, and simultaneously, the temperature of the cooling air in the third air duct 133 is increased, the flow of the cooling air in the third air duct 133 is accelerated, and the cooling air leaves the wind guide and heat dissipation assembly 13, thereby improving the heat dissipation efficiency of the air duct heat dissipation mechanism 10.

Further, the heat-dissipating air-guiding assembly 13 includes a lower casing 135 and an upper casing 136 covering the lower casing 135, the first air duct 131 and the second air duct 132 are formed between the upper casing 136 and the lower casing 135, and the transmission direction of the cooling air flow in the third air duct 133 is a direction away from the lower casing 135.

That is to say, the outlet of the third air duct 133 is located on the upper casing 136, and the cooling air flow in the third air duct 133 is transmitted along the direction from the lower casing 135 to the upper casing 136, so that the cooling air flow in the third air duct 133 can be in contact with the reflective cup 123 to a greater extent, and the cooling air flow in the third air duct 133 can be rapidly transmitted away from the heat-dissipating air guide assembly 13 while effectively dissipating heat to the reflective cup 123, thereby improving the heat-dissipating efficiency of the air duct heat-dissipating mechanism 10.

Further, the side plate 134 is composed of an upper side plate 1341 and a lower side plate 1342, the upper side plate 1341 is connected to the upper casing 136, the lower side plate 1342 is connected to the lower casing 135, the upper casing 136 and the lower casing 135 cover each other, and the upper side plate 1341 is in butt joint with the lower side plate 1342.

Further, lower housing 135 is provided with a lamp holder 1351, and lamp holder 1351 is used to support lamp tube 121 such that lamp tube 121 does not contact the inner wall of cavity 124.

That is to say, the lamp 121 is suspended in the cavity 124, so that when the cooling airflow in the first air duct 131 flows through the cavity 124, the cooling airflow can surround the lamp 121, so that the cooling airflow can fully contact with the lamp 121, thereby greatly dissipating heat from the lamp 121 and ensuring heat dissipation effect.

Further, as shown in fig. 6, a baffle 137 is disposed at a connection between the first air duct 131 and the second air duct 132, the baffle 137 divides the second air duct 132 into a primary second air duct 1321 and a secondary second air duct 1322 that are communicated with each other, the first air duct 131 is communicated with the primary second air duct 1321, and the third air duct 133 is communicated with the secondary second air duct 1322.

That is, the outlet of the first air passage 131 communicates with the inlet of the primary second air passage 1321, the outlet of the primary second air passage 1321 communicates with the inlet of the secondary second air passage 1322, and the outlet of the secondary second air passage 1322 communicates with the inlet of the third air passage 133. Due to the arrangement of the baffle 137, the second air duct 132 forms the main second air duct 1321 and the secondary second air duct 1322, that is, the distance from the cooling air flowing out of the first air duct 131 to the third air duct 133 is increased, and the transmission direction of the cooling air flowing out of the main second air duct 1321 and the transmission direction of the cooling air flowing out of the secondary second air duct 1322 form an acute angle, so that on one hand, the cooling air flowing out of the first air duct 131 has enough time to cool, on the other hand, the cooling air flowing out of the third air duct 133 which is heated again does not flow back into the main second air duct 1321, and the cooling air flowing out of the third air duct 133 can be smoothly and quickly transmitted away from the heat dissipation and air guide assembly 13.

As shown in fig. 7, the heat conducting component 20 of the hair removal device provided by the embodiment of the present invention includes a substrate 21 and a heat dissipating fin component 22 attached to the substrate 21, the heat dissipating fin component 22 is located between the fan component 11 and the side plate 134, the fan component 11 is provided with the second air outlet 112, the heat dissipating fin component 22 is located at a position corresponding to the second air outlet 112, and the heat dissipating fin component 22 is directly facing to the heat dissipating outlet 41 of the housing 40.

Further, as shown in fig. 1, the cold compress assembly 30 of the depilatory device provided by the embodiment of the present invention includes a sapphire crystal 31 and a semiconductor refrigeration piece 32 contacting with the sapphire crystal 31, the sapphire crystal 31 is disposed on one side of the light filter 122 away from the lamp tube 121, and the semiconductor refrigeration piece 32 contacts with the substrate 21.

The sapphire crystal 31 is a part of the depilating apparatus, which is used for contacting with the skin of a human body, and the light emitted by the lamp tube 121 is irradiated to the skin of the human body through the sapphire crystal 31 after the light with the unwanted wave band is filtered by the optical filter 122, so as to depilate. Since the light reaching the sapphire crystal 31 still has a large amount of heat, if the heat is not treated and directly irradiated on the human skin, the damage to the human skin is caused. Semiconductor refrigeration piece 32 circular telegram back one side is cold face, and the one side relative with cold face is hot face, with sapphire crystal 31 and semiconductor refrigeration piece 32's cold face contact, when having thermal light through sapphire crystal 31, semiconductor refrigeration piece 32 can be for sapphire crystal 31 cooling for human skin can not experience heat when contacting sapphire crystal 31, also can not bring the damage to human skin, has improved user experience greatly. The hot surface of the semiconductor chilling plate 32 is in contact with the substrate 21 in the heat conducting component 20, the substrate 21 can transfer the heat of the hot surface of the semiconductor chilling plate 32 to the heat radiating plate component 22 attached to the substrate 21, and the position of the heat radiating plate component 22 is opposite to the second air outlet 112 of the fan component 11, that is, the fan component 11 can drive cooling air to enter the heat radiating plate component 22 through the second air outlet 112, so that the heat radiating plate component 22 can be cooled, the heat radiation of the semiconductor chilling plate 32 is further realized, and the normal use of the depilating apparatus is guaranteed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. An air duct heat dissipation mechanism is characterized by comprising

The fan assembly is used for driving cooling airflow to flow and is provided with a first air outlet;

a light source assembly;

the heat dissipation air guide assembly is used for transmitting cooling air flow, a first air channel, a second air channel and a third air channel which are sequentially communicated are formed in the heat dissipation air guide assembly in an enclosing mode, the first air outlet is communicated with the first air channel, the light source assembly is located in the first air channel, the second air channel is far away from the light source assembly, and the third air channel is in contact with the light source assembly.

2. The air duct heat dissipation mechanism according to claim 1, wherein the light source assembly includes a light tube, a light filter, and a light-reflecting cup, the light filter and the light-reflecting cup are enclosed to form a cavity, the light tube is disposed in the cavity, and the cavity is a part of the first air duct.

3. The air duct heat dissipation mechanism according to claim 2, wherein the heat dissipation and air guiding assembly includes a side plate, the side plate is located on a side of the reflective cup away from the lamp, and the side plate and the reflective cup form the third air duct.

4. The air duct heat dissipation mechanism according to claim 3, wherein the heat dissipation and air guiding assembly includes an upper housing and a lower housing covering the upper housing, the first air duct and the second air duct are formed between the upper housing and the lower housing, and a transmission direction of the cooling air flow in the third air duct is a direction away from the lower housing.

5. The duct heat dissipating mechanism according to claim 4, wherein the side plate comprises an upper side plate and a lower side plate, the upper side plate is connected to the upper housing, the lower side plate is connected to the lower housing, and the upper side plate is abutted to the lower side plate by covering the upper housing with the lower housing.

6. The heat dissipating mechanism of claim 4, wherein said lower housing has a support for supporting said lamp so that said lamp does not contact the inner wall of said cavity.

7. The air duct heat dissipation mechanism according to claim 3, wherein a baffle is disposed at a connection between the first air duct and the second air duct, the baffle divides the second air duct into a primary second air duct and a secondary second air duct that are communicated with each other, the first air duct is communicated with the primary second air duct, and the secondary second air duct is communicated with the third air duct.

8. An epilating apparatus, comprising a housing and the air duct heat dissipating mechanism of any one of claims 3 to 7, wherein the housing is provided with a heat dissipating outlet, and the third air duct is disposed opposite to the heat dissipating outlet.

9. The epilating apparatus as claimed in claim 8, wherein the epilating apparatus comprises a heat conducting component, the heat conducting component comprises a substrate and a heat dissipating fin component attached to the substrate, the heat dissipating fin component is located between the fan component and the side plate, the fan component is provided with a second air outlet, the heat dissipating fin component is located at a position corresponding to the second air outlet, and the heat dissipating fin component is arranged opposite to the heat dissipating outlet of the housing.

10. An epilator as claimed in claim 9, wherein the epilator comprises a cold compress assembly comprising a sapphire crystal and a semiconductor cooling plate in contact with the sapphire crystal.