CN112754652A - Air duct heat dissipation assembly and depilating instrument - Google Patents
Air duct heat dissipation assembly and depilating instrument Download PDFInfo
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- CN112754652A CN112754652A CN202011640829.XA CN202011640829A CN112754652A CN 112754652 A CN112754652 A CN 112754652A CN 202011640829 A CN202011640829 A CN 202011640829A CN 112754652 A CN112754652 A CN 112754652A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 143
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 21
- 210000004209 hair Anatomy 0.000 claims description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 27
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 210000003491 skin Anatomy 0.000 description 19
- 238000010586 diagram Methods 0.000 description 6
- 210000003780 hair follicle Anatomy 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000035617 depilation Effects 0.000 description 2
- 230000002951 depilatory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 210000001519 tissue Anatomy 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Natural products O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 1
- 206010040830 Skin discomfort Diseases 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00452—Skin
- A61B2018/00476—Hair follicles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B2018/1807—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using light other than laser radiation
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Optics & Photonics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to an air duct heat dissipation assembly and a depilating instrument. Wind channel radiator unit includes: a housing; the heat conducting piece is attached to one side of the shell, a plurality of parallel heat dissipation air channels are formed by the heat conducting piece and the shell in an enclosing mode, and the heat dissipation air channels form an air inlet and an air outlet of the air channel heat dissipation assembly; the heat conduction member has a heat conduction coefficient larger than that of the housing, and is used for conducting heat to the heat dissipation air duct. Above-mentioned wind channel radiator unit can promote the radiating effect, reduces manufacturing cost, reduces occupation space simultaneously.
Description
Technical Field
The invention relates to the technical field of depilating instruments, in particular to an air duct heat dissipation assembly and a depilating instrument.
Background
The photon unhairing instrument generates Intense Pulsed Light (IPL) to irradiate the skin through a Light source, and the melanin cells in the hair follicle are utilized to absorb the IPL, so that the hair follicle generates heat, the hair follicle is selectively damaged, surrounding tissues are prevented from being damaged, and the unhairing effect is achieved. And the light source in the photon depilating instrument can generate a large amount of heat during working, which affects the service life of the photon depilating instrument and even scalds the skin, therefore, the heat dissipation of the light source in the photon depilating instrument is very important. However, the current photon depilatory instrument has poor heat dissipation effect.
Disclosure of Invention
Therefore, there is a need for an air duct heat dissipation assembly and a depilating device with good heat dissipation effect.
A duct heat sink assembly, comprising:
a housing; and
the heat conducting piece is attached to one side of the shell, a plurality of parallel radiating air channels are formed by the heat conducting piece and the shell in an enclosing mode, and the radiating air channels form an air inlet and an air outlet of the air channel radiating assembly;
the heat conduction member has a heat conduction coefficient larger than that of the housing, and is used for conducting heat to the heat dissipation air duct.
In one embodiment, the side wall of the heat dissipation air duct forms at least one corner.
In one embodiment, the wind direction of the wind outlet changes by 90 ° or more relative to the wind direction of the wind inlet.
In one embodiment, the housing includes a plate and a plurality of air duct walls, the air duct walls are disposed on one side of the plate in parallel, the air duct walls are spaced from each other, and the heat conducting member, the plate and the air duct walls enclose the heat dissipation air duct.
In one embodiment, the heat conducting member includes a contact portion and a heat conducting portion, the contact portion and the heat conducting portion are connected to each other, the heat conducting portion and the housing are surrounded to form the heat dissipation air duct, and the contact portion is used for conducting heat to the heat conducting portion.
In one embodiment, the heat conducting member is made of copper, and the housing is made of aluminum alloy.
An epilation apparatus comprises a light source and the air duct heat dissipation assembly of any one of the embodiments, wherein the air duct heat dissipation assembly is used for dissipating heat of the light source.
In one embodiment, the epilating apparatus further comprises quartz glass, the quartz glass is arranged on the light-emitting side of the light source, and the heat conducting member is used for conducting heat of the quartz glass.
In one embodiment, the depilating apparatus further comprises a refrigerating sheet, the refrigerating sheet is arranged between the quartz glass and the heat conducting member, and two sides of the refrigerating sheet are respectively attached to the side face of the quartz glass and the heat conducting member.
In one embodiment, the depilating apparatus further includes a housing, the light source and the air duct heat dissipation assembly are disposed in the housing, the housing is provided with an air inlet region and an air outlet region, the air inlet region is communicated with the air inlet, and the air outlet region is communicated with the air outlet; and/or
The depilating instrument further comprises a turbofan, and an air outlet channel of the turbofan is communicated with the air inlet.
Above-mentioned wind channel radiator unit sets up the heat conduction heat of the heat conduction piece that coefficient of heat conductivity is bigger, can dispel the heat with the heat conduction of heat source to wind channel radiator unit better, promotes the radiating effect. Meanwhile, the air duct heat dissipation assembly is provided with a plurality of parallel heat dissipation air ducts, air can enter the plurality of heat dissipation air ducts from the air inlet and is discharged from the air outlet, the contact area between the air and the air duct heat dissipation assembly is greatly increased, and the heat dissipation effect is further improved. The plurality of radiating air channels are formed in the air channel radiating assembly, so that the small-size air channel radiating assembly can play a better radiating effect, the occupied space of the air channel radiating assembly is favorably reduced, and the depilating instrument is favorably miniaturized when being applied to the depilating instrument.
Drawings
FIG. 1 is a schematic view of an embodiment of the hair removal device of the present application;
FIG. 2 is a schematic view of the front portion of an epilating apparatus according to an embodiment of the present application;
FIG. 3 is a schematic view of the internal structure of the hair removal device in an embodiment of the present application;
FIG. 4 is a schematic view of a portion of an epilating apparatus according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a heat dissipation assembly of an air duct according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of the heat dissipating assembly of the air duct shown in FIG. 5;
FIG. 7 is a schematic diagram of the housing of the duct heat sink assembly of FIG. 6;
fig. 8 is a schematic structural view of an air outlet channel and an air exhaust channel in an embodiment of the present application.
100, a depilating instrument; 110. quartz glass; 120. a protective sheet; 121. a notch; 130. a refrigeration plate; 131. a heat dissipating surface; 140. an air duct heat dissipation assembly; 141. a housing; 142. a plate member; 143. an air duct wall; 145. a heat conductive member; 146. a contact portion; 147. a heat conducting portion; 148. a heat dissipation air duct; 149. an air inlet; 150. an air outlet; 160. a housing; 161. an air intake area; 162. an air exhaust area; 170. a turbo fan; 171. an air outlet channel; 180. an air exhaust element; 181. an air exhaust channel; 190. a handle; 191. and a button is switched on and off.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 and 2, fig. 1 shows a schematic view of an epilating apparatus 100 according to some embodiments of the present application, and fig. 2 shows a schematic view of a front portion of the epilating apparatus 100 according to some embodiments of the present application. Here, the front side of the epilating apparatus 100 can be understood as the surface of the epilating apparatus 100 intended to be in contact with the skin of a human being. The hair removal device 100 includes a light source (not shown) that emits light toward the skin of a person to destroy hair follicles, thereby achieving hair removal. The type of light source and the type of light emitted by the light source are not limited as long as the requirements for hair removal are met without damaging the skin tissue surrounding the hair follicle. In particular, in some embodiments, the light source may be a strong pulsed light pipe, the light source being capable of emitting an IPL towards the skin of a person to achieve a depilatory effect. In other embodiments, the light source may also be a semiconductor laser chip or the like.
Further, in some embodiments, the epilating apparatus 100 further includes a quartz glass 110 and an air duct heat dissipation assembly 140, the quartz glass 110 is disposed on the light emitting side of the light source, and the air duct heat dissipation assembly 140 is used for dissipating heat of the quartz glass 110. Referring to fig. 1 and 2, the quartz glass 110 has a light-emitting surface a for contacting with the skin of the human body, and the light source is disposed on a side of the quartz glass 110 away from the light-emitting surface a. Referring to fig. 1, the depilation instrument 100 further includes a protection sheet 120, the protection sheet 120 defines a notch 121 matching with the light-emitting surface a of the quartz glass 110, the light-emitting surface a of the quartz glass 110 is exposed from the protection sheet 120 and contacts with the skin of the human body, and the protection sheet 120 can protect the internal structure of the depilation instrument 100.
It can be understood that the quartz glass 110 has good heat conduction and high temperature resistance, the quartz glass 110 is arranged on the light emitting side of the light source to conduct the heat of the light source, and the air duct heat dissipation assembly 140 directly dissipates the heat of the quartz glass 110, so that the heat dissipation effect of the light source can be improved. Meanwhile, the quartz glass 110 can be maintained at a low temperature state by the heat dissipation function of the air duct heat dissipation assembly 140, so that the depilating apparatus 100 can bring cool feeling to the skin by the contact of the quartz glass 110 with the skin, the use comfort of the depilating apparatus 100 is improved, the contact of a heat source with the skin can be avoided, and the skin can be prevented from being scalded. In addition, the quartz glass 110 is less affected by the skin than the metal material, the depilating device 100 can avoid the risk of skin discomfort and allergy caused by the metal material when the metal material is in contact with the skin by contacting the quartz glass 110 with the skin, and the irritation of the IPL to the skin can be reduced by contacting the IPL emitted by the light source with the skin through the rear of the quartz glass 110. Further, the quartz glass 110 has high spectral transmittance, is not easily damaged by radiation from the light source, and is also beneficial to prolonging the service life of the depilating apparatus 100.
Referring to fig. 2, 3 and 4, fig. 3 shows a schematic view of the internal structure of epilating apparatus 100 in some embodiments of the present application, and fig. 4 shows a schematic view of a portion of epilating apparatus 100 in some embodiments of the present application. In some embodiments, the hair removal device 100 further comprises a cooling plate 130, wherein the cooling plate 130 may be a semiconductor cooling plate, and has a heat absorbing surface (not shown) and a heat dissipating surface 131 disposed oppositely, and the heat absorbing surface is adhered to the side surface of the quartz glass 110. The refrigeration sheet 130 has a high heat dissipation speed, and can quickly conduct the heat conducted by the light source to the heat dissipation surface 131 of the quartz glass 110, so that the air duct heat dissipation assembly 140 dissipates the heat, the heat dissipation requirement of the light source can be met, and the quartz glass 110 can be kept in a low-temperature state. In some embodiments, the shape of the quartz glass 110 is substantially rectangular parallelepiped, and the side surface of the quartz glass 110 can provide a sufficient heat dissipation area for the cooling fins 130, so as to exert the heat dissipation performance of the cooling fins 130, and not to cause interference to the light source and the skin. In the process that the light emitted by the light source reaches the skin of the human body through the quartz glass 110, the generated heat can be fully absorbed by the refrigerating sheet 130 positioned on the side surface of the quartz glass 110, and the heat dissipation effect of the light source is further improved.
Further, the air duct heat dissipation assembly 140 is disposed on one side of the refrigeration sheet 130, and is attached to the refrigeration sheet 130 to dissipate heat from the heat dissipation surface 131. Specifically, with reference to fig. 5, fig. 6 and fig. 7, fig. 5 shows a schematic structural diagram of the air duct heat dissipation assembly 140 in some embodiments of the present application, fig. 6 shows a schematic structural diagram of the air duct heat dissipation assembly 140 shown in fig. 5 at another angle, and fig. 7 shows a schematic structural diagram of the housing 141 in the air duct heat dissipation assembly 140 shown in fig. 6. In some embodiments, the duct heat sink assembly 140 includes a housing 141 and a heat conducting member 145, the heat conducting member 145 is attached to one side of the housing 141, and the heat conducting member 145 and the housing 141 enclose a plurality of parallel heat dissipating ducts 148. The air inlet of the plurality of heat dissipation air channels 148 is located at one end of the air channel heat dissipation assembly 140 to form an air inlet 149 of the air channel heat dissipation assembly 140, and the air outlet of the plurality of heat dissipation air channels 148 is located at the other end of the air channel heat dissipation assembly 140 to form an air outlet 150 of the air channel heat dissipation assembly 140. During the heat dissipation operation, the air flow enters the plurality of heat dissipation air channels 148 from the air inlet 149 at the same time, and is discharged from the air outlet 150 after passing through the heat dissipation air channels 148, so as to take away the heat of the air channel heat dissipation assembly 140, thereby achieving the heat dissipation effect.
In addition, the heat conduction member 145 has a thermal conductivity greater than that of the casing 141, and the heat conduction member 145 is used for conducting heat to the heat dissipation air duct 148 during heat dissipation. Wherein, the heat conductivity coefficient refers to the heat quantity transferred by the area of 1 square meter in a certain time in the unit of watt/meter.C, the temperature difference of the two side surfaces of a material with the thickness of 1m is 1 degree (K, DEG C) under the condition of stable heat transfer. For example, referring to fig. 3 together, when the epilating apparatus 100 is provided with the quartz glass 110 and the cooling fins 130, the heat conducting member 145 contacts with the heat dissipating surface 131 of the cooling fins 130 to conduct the heat conducted by the cooling fins 130 to the heat dissipating air duct 148 for dissipating heat. Of course, the light source of the hair removal device 100 can also be thermally conductive in other ways, for example, by a metal sheet cooperating with the quartz glass 110, and the thermal conductor 145 can also be attached to the metal sheet.
It can be understood that, the air duct heat dissipation assembly 140 is provided with the heat conducting member 145 and the casing 141 with different heat conductivity coefficients, so that the cost of the casing 141 is lower than that of the heat conducting member 145, and the heat conducting member 145 with a larger heat conductivity coefficient is in contact with the refrigeration sheet 130, so that heat generated by the light source can be better conducted to the air duct heat dissipation assembly 140 for heat dissipation, and the cost of the air duct heat dissipation assembly 140 is reduced while the heat dissipation effect is improved.
In addition, the air duct heat dissipation assembly 140 is formed with a plurality of parallel heat dissipation air ducts 148, and the air flow can enter the plurality of heat dissipation air ducts 148 from the air inlet 149 and be discharged from the air outlet 150, so that the contact area between the air flow and the air duct heat dissipation assembly 140 is greatly increased, and the heat dissipation effect can be further improved. The plurality of heat dissipation air channels 148 are formed in the air channel heat dissipation assembly 140, so that the air channel heat dissipation assembly 140 has a better heat dissipation effect compared with other heat dissipation structures with the same volume, and is also beneficial to reducing the occupied space of the air channel heat dissipation assembly 140, thereby being beneficial to the miniaturization design of the depilating apparatus 100. Further, the heat dissipation air duct 148 is arranged for heat dissipation, the heat dissipation air duct 148 has a restriction capability on the air direction, so that the air flow has good directivity, and the heat is discharged from the air outlet 150 after heat dissipation, thereby preventing the insufficient directivity of heat dissipation from causing the heat to be discharged to other parts of the depilating apparatus 100 from different directions, and affecting the performance of other electronic elements such as a circuit board in the depilating apparatus 100.
Furthermore, in some embodiments, the housing 141 includes a plate 142 and a plurality of air duct walls 143, the air duct walls 143 are disposed in parallel on a side of the plate 142, adjacent air duct walls 143 are spaced from each other, the heat conducting member 145 is substantially sheet-shaped, and the heat conducting member 145 is attached to a side of the housing 141 to form a plurality of heat dissipation air ducts 148 together with the plate 142 and the air duct walls 143. The heat is conducted through the sheet-shaped heat conducting member 145, the heat conducting member 145 has a high heat conductivity coefficient, the heat conducted by the heat source can be rapidly conducted to each part of the heat conducting member 145, and the plurality of heat dissipation air channels 148 can dissipate the heat of each part of the heat conducting member 145 at the same time, so that the heat dissipation speed and the heat dissipation effect of the air channel heat dissipation assembly 140 are greatly improved. Specifically, in some embodiments, the heat conducting member 145 may be made of copper with high thermal conductivity, and the housing 141 may be made of aluminum alloy with high structural strength, so that the duct heat sink assembly 140 achieves good heat dissipation effect and high structural strength at low cost. Of course, in other embodiments, the heat conducting member 145 may be made of other materials with high thermal conductivity, including but not limited to silver, gold, etc.
Certainly, the number of the heat dissipation air channels 148 is not limited, in the embodiment shown in fig. 7, four heat dissipation air channels 148 are formed in the air channel heat dissipation assembly 140, and in other embodiments, three, five, and six heat dissipation air channels 148 may also be formed in the air channel heat dissipation assembly 140, which may be specifically designed according to actual heat dissipation requirements and the installation space of the air channel heat dissipation assembly 140.
In the present application, the description that a plurality of objects are arranged side by side does not mean that the plurality of objects extend in parallel or in a straight line, and the plurality of objects may be considered to be arranged side by side as long as the plurality of objects are sequentially arranged and the extending direction is substantially the same. For example, in the embodiment shown in fig. 7, the extending directions of the parts of the plurality of air duct walls 143 are not completely parallel, but the overall direction of the air duct walls 143 is substantially the same, i.e., the plurality of air duct walls 143 are considered to be arranged side by side.
In addition, the heat dissipation air duct 148 can be formed in other ways, that is, the air duct wall 143 is not necessarily formed on the plate 142 completely. For example, in other embodiments, a part of the air duct wall 143 may also be formed on the surface of the heat conducting member 145 opposite to the housing 141, and the air duct wall 143 on the heat conducting member 145 and the air duct wall 143 on the plate 142 are sequentially staggered, so that when the heat conducting member 145 is attached to the housing 141, the air duct wall 143 on the heat conducting member 145 and the air duct wall 143 on the plate 142 jointly enclose the heat dissipation air duct 148. Therefore, the heat conducting member 145 with high thermal conductivity can rapidly conduct heat to the air duct wall 143 of the heat dissipation air duct 148, so that the heat dissipation air duct 148 can achieve the maximum heat dissipation effect. Of course, in still other embodiments, the surfaces of the heat conducting member 145 opposite to the plate 142 may also form the air duct walls 143 opposite to each other, and when the heat conducting member 145 is attached to the plate 142, the heat conducting member 145 and the air duct walls 143 on the plate 142 are in one-to-one butt joint, in other words, the side walls of the heat dissipation air duct 148 are formed by the heat conducting member 145 and the plate 142. The forming method of the heat dissipation air duct 148 is not limited, and other forming methods can be derived by referring to the above descriptions, and are not described herein again.
In addition, referring to fig. 4 and fig. 6 together, in some embodiments, the heat conducting member 145 includes a contact portion 146 and a heat conducting portion 147, which are integrally formed, the shape of the contact portion 146 is matched with the shape of the cooling plate 130, the contact portion 146 is used for contacting the cooling plate 130 to realize heat conduction between the cooling plate 130 and the air duct heat dissipation assembly 140, and the heat conducting portion 147 and the housing 141 enclose the heat dissipation air duct 148. When conducting heat conduction, the cooling fins 130 conduct heat to the contact portion 146, and since the heat conducting member 145 has a high heat conductivity coefficient, the contact portion 146 can conduct heat to the heat conducting portion 147 quickly, so as to cooperate with the heat dissipating air duct 148 to achieve heat dissipation effect. Therefore, the air duct heat dissipation assembly 140 is in contact with the cooling plate 130 through the contact portion 146 with a small area, so that a good heat dissipation effect can be achieved, the structural layout is reasonable, and the depilating apparatus 100 is beneficial to miniaturization design.
Further, referring to fig. 2 together, the epilating apparatus 100 further includes a housing 160, the air duct heat dissipation assembly 140, the cooling plate 130 and the quartz glass 110 are all installed in the housing 160, and two opposite surfaces of the cooling plate 130 are respectively closely attached to the side surface of the quartz glass 110 and the surface of the contact portion 146. In other words, one side of the air duct heat dissipation assembly 140 departing from the quartz glass 110 is limited to the housing 160, and the contact portion 146 and the cooling plate 130 are arranged to tightly fill the gap between the air duct heat dissipation assembly 140 and the quartz glass 110, so that no gap exists between the two sides of the cooling plate 130, and the heat conduction effect among the quartz glass 110, the cooling plate 130 and the contact portion 146 is good. The gap between the air duct heat dissipation assembly 140 and the quartz glass 110 caused by the space arrangement of the shell 160 can be avoided, the risk of the heat conduction effect is reduced, and the heat dissipation effect of the light source is further improved.
Referring to fig. 6 and 7, in some embodiments, the side wall of the heat dissipation duct 148, i.e., the duct wall 143, forms at least one corner. It should be noted that the air duct walls 143 form corners, and it can be understood that the extending directions of the two air duct walls 143 of the heat dissipation air duct 148 are changed at a certain position, so that the extending direction of the whole heat dissipation air duct 148 is changed, rather than only one of the air duct walls 143 is bent. For example, in the embodiment shown in FIG. 7, the duct wall 143 is formed with a corner B and a corner C. It can be understood that heat is conducted to the heat conducting portion 147 and the air duct wall 143 through the contact portion 146, and in the heat dissipation operation, if the acting force between the airflow in the heat dissipation air duct 148 and the air duct wall 143 and the heat conducting portion 147 is larger, the contact effect between the airflow and the air duct heat dissipation assembly 140 is more obvious, the heat that can be taken away by the airflow is more, and the heat dissipation effect is better. Therefore, the air duct wall 143 forms a corner, when the airflow passes through the corner of the air duct wall 143 in the heat dissipation air duct 148, the airflow hits the air duct wall 143, so as to change the wind direction, thereby increasing the acting force between the airflow at the corner and the surfaces of the air duct wall 143, the plate 142, and the heat conduction portion 147, and further improving the heat dissipation effect of the air duct heat dissipation assembly 140.
Further, in some embodiments, an included angle between an air outlet direction of the air outlet 150 and an air inlet direction of the air inlet 149 is greater than or equal to 90 °, where the air inlet direction refers to a direction of an air flow flowing into the heat dissipation air duct 148 from the air inlet 149 during a heat dissipation operation, and correspondingly, the air outlet direction is a direction of an air flow flowing out of the heat dissipation air duct 148 from the air outlet during the heat dissipation operation. In other words, the airflow direction of the air duct 148 changes by 90 degrees or more during the process from the air inlet 149 into the air duct 148 until the airflow exits the air outlet 150 out of the air duct 148. For example, in the embodiment shown in fig. 7, the direction D may be an air inlet direction of the air inlet 149, that is, the air flow enters the heat dissipation air duct 148 along the direction D, and the direction E may be an air outlet direction of the air outlet 150, that is, the air flow exits the heat dissipation air duct 148 along the direction E. As shown in fig. 7, under the action of the corners of the air duct 148, the airflow entering the air duct 148 along the direction D passes through the air duct 148 and then exits the air duct 148 along the direction E, and the wind direction of the air outlet 150 changes by more than 90 ° relative to the wind direction of the air inlet 149. The heat dissipation air duct 148 has a large change degree of the wind direction, which can be understood as that the acting force of the air duct wall 143 on the air flow is large, so that the air flow can take away more heat, and the heat dissipation effect of the air duct heat dissipation assembly 140 is improved.
Referring to fig. 1 and 3, in some embodiments, the hair removal device 100 further includes a turbine fan 170 and an air exhausting element 180, and the housing 160 of the hair removal device 100 is provided with an air intake area 161 and an air exhausting area 162. The turbo fan 170 is provided with an air outlet channel 171, an air inlet of the turbo fan 170 is connected to the air inlet area 161 of the housing 160, and the air outlet channel 171 is connected to the air inlet 149 of the air duct heat sink assembly 140. An air exhaust channel 181 is formed in the air exhaust element 180, the air exhaust channel 181 is in butt joint with the air exhaust area 162 of the casing 160, and the air inlet of the air exhaust element 180 is in butt joint with the air outlet 150.
It will be appreciated that other electronic components, such as a circuit board (not shown), are also included in the hair removal device 100, and that the air inlet of the turbofan 170 is facing away from the other electronic components and is interfaced with the air inlet area 161 to avoid the heat dissipation effect on the other electronic components. Under the action of the turbo fan 170, the air flow outside the hair removal device 100 enters the turbo fan 170 through the air exhaust region 162, and enters the duct heat dissipation assembly 140 from the air outlet channel 171 of the turbo fan 170 through the air inlet 149, so as to carry the heat of the duct heat dissipation assembly 140 from the air outlet 150 into the air exhaust channel 181 of the air exhaust element 180, and finally exits the hair removal device 100 through the air exhaust region 162. Therefore, the air flow has good directionality during the heat dissipation operation, and the heat does not overflow to other parts of the depilating apparatus 100, thereby causing interference to other electronic components in the depilating apparatus 100.
Of course, in some embodiments, the hair removal device 100 further comprises a handle 190, a switch button 191, and the like, wherein the handle 190 is used for being held by a human body for facilitating the use of the hair removal device 100, and the switch button 191 is electrically connected to a circuit board of the hair removal device 100 for facilitating the operation of a switch of the hair removal device 100. In addition, since the air duct heat dissipation assembly 140 enables the airflow to have good directivity, the position of the air exhaust area can be designed according to actual requirements, for example, in the embodiment shown in fig. 1, the air exhaust area is formed on the side of the housing 160 away from the handle 190, so as to avoid the influence on the use experience caused by the airflow carrying heat blowing to the hand of the human body. In addition, in some embodiments, the air intake area 161 and the air exhaust area 162 of the casing 160 may be formed by a plurality of holes, and the plurality of holes are arranged in a high-density array to ensure sufficient air intake and exhaust amount.
Further, in conjunction with fig. 4, 5 and 8, fig. 8 shows schematic diagrams of the air outlet channel 171 and the air exhaust channel 181 in some embodiments of the present application. To avoid damage to the light source of the hair removal device 100 due to excessive temperatures during operation, in some embodiments, the cross-sectional area of the air outlet channel 171 is larger than the cross-sectional area of the air inlet 149, i.e., the air inlet 149 only abuts a portion of the air outlet channel 171. For example, in the embodiment shown in fig. 8, the air inlet 148 is opposite to half of the air outlet passage 171. Another portion of the air outlet channel 171 is opposite to the space where the light source is located, for example, the air duct heat dissipation assembly 140 is in contact with the cooling fins 130 and is spaced from the light source, and another portion of the air outlet channel 171 faces the space between the air duct heat dissipation assembly 140 and the light source, so that a part of the air flow of the turbofan 170 can blow to two poles of the light source. Accordingly, in some embodiments, the cross-sectional area of the exhaust channel 181 is larger than the cross-sectional area of the air outlet 150, in other words, the air outlet 150 only abuts against a portion of the exhaust channel 181, and another portion of the exhaust channel 181 is opposite to the space where the light source is located.
Accordingly, the air flow blown to both poles of the light source by the air outlet passage 171 can be discharged from the air outlet passage 181 together with the air flow at the air outlet 150, thereby taking away the heat of both poles of the light source. The turbo fan 170 provides air flow for the air duct heat dissipation assembly 140 to dissipate heat of the quartz glass 110, and simultaneously can discharge heat of the light source from the air exhaust passage 181 to dissipate heat of the light source, thereby preventing the light source from being damaged due to over-high temperature. The heat dissipation of the quartz glass 110 and the heat dissipation of the light source are combined, so that the heat dissipation effect of the depilating apparatus 100 is greatly improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An air duct heat dissipation assembly, comprising:
a housing; and
the heat conducting piece is attached to one side of the shell, a plurality of parallel radiating air channels are formed by the heat conducting piece and the shell in an enclosing mode, and the radiating air channels form an air inlet and an air outlet of the air channel radiating assembly;
the heat conduction member has a heat conduction coefficient larger than that of the housing, and is used for conducting heat to the heat dissipation air duct.
2. The duct heat sink assembly of claim 1, wherein the side walls of the heat sink duct form at least one corner.
3. The air duct heat dissipation assembly according to claim 1, wherein an included angle between an air outlet direction of the air outlet and an air inlet direction of the air inlet is greater than or equal to 90 °.
4. The air duct heat sink assembly as claimed in claim 1, wherein the housing includes a plate and a plurality of air duct walls, the air duct walls are disposed side by side on one side of the plate and spaced from each other, and the heat conducting member, the plate and the air duct walls enclose the heat dissipating air duct.
5. The duct heat sink assembly of claim 4, wherein the heat conducting member includes a contact portion and a heat conducting portion connected to each other, the heat conducting portion and the housing enclosing the heat dissipating duct, the contact portion being configured to conduct heat to the heat conducting portion.
6. The air duct heat sink assembly of claim 1, wherein the heat conducting member is made of copper and the housing is made of aluminum alloy.
7. An epilating apparatus comprising a light source and the air duct heat dissipating assembly of any one of claims 1-6 for dissipating heat from the light source.
8. An epilator as claimed in claim 7, further comprising quartz glass, the quartz glass being arranged on a light exit side of the light source, the heat-conducting member being adapted to conduct heat from the quartz glass.
9. The hair removal device of claim 8, further comprising a cooling plate disposed between the quartz glass and the heat conducting member, wherein two sides of the cooling plate are respectively attached to the side surface of the quartz glass and the heat conducting member.
10. The hair removal device of claim 7, further comprising a housing, wherein the light source and the air duct heat dissipation assembly are disposed in the housing, the housing defines an air intake region and an air exhaust region, the air intake region is communicated with the air intake, and the air exhaust region is communicated with the air outlet; and/or
The depilating instrument further comprises a turbofan, and an air outlet channel of the turbofan is communicated with the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640829.XA CN112754652A (en) | 2020-12-31 | 2020-12-31 | Air duct heat dissipation assembly and depilating instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640829.XA CN112754652A (en) | 2020-12-31 | 2020-12-31 | Air duct heat dissipation assembly and depilating instrument |
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| CN112754652A true CN112754652A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011640829.XA Pending CN112754652A (en) | 2020-12-31 | 2020-12-31 | Air duct heat dissipation assembly and depilating instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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