Double-lamp-tube hair removing instrument

By optimizing the heat dissipation components and airflow design of the dual-lamp hair removal device, the problem of insufficient heat dissipation in traditional hair removal devices has been solved, resulting in better heat dissipation and user experience.

CN223627581UActive Publication Date: 2025-12-05SHENZHEN JIANCHAO INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520229968.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-05
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Traditional hair removal devices cannot effectively adapt to dual-lamp light sources, resulting in poor heat dissipation and affecting the cooling effect and durability.

Method used

The heat dissipation assembly, which includes a duct cover, heat dissipation bracket and heat pipe heat sink, is combined with a fan assembly. By optimizing the airflow path through duct design and fin units, the heat dissipation effect is enhanced and the heat accumulation of the light source is reduced.

Benefits of technology

It improves the heat dissipation of the hair removal device, reduces the burning sensation on the skin, and extends the lifespan and durability of the device.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a double-lamp-tube hair removal instrument which comprises a shell assembly provided with an air inlet and an air outlet; the unhairing assembly comprises a light-transmitting crystal, a heat dissipation piece and two light sources, a cold compress piece is arranged on one side of the light-transmitting crystal, a light reflection piece is arranged on one side of the heat dissipation piece, and a heat dissipation part is arranged on the other opposite side face of the heat dissipation piece; the heat dissipation assembly comprises an air duct cover, a heat dissipation support and heat pipe cooling fins, the air duct cover, the heat dissipation support and the hair removal assembly define a first channel so that airflow can pass through the light source and the heat dissipation part, a second channel allowing the airflow to pass through is formed in the heat dissipation support, one end of each heat pipe cooling fin is attached to the cold compress part, and the other end of each heat pipe cooling fin is provided with a heat dissipation fin unit; the heat dissipation fin unit is located in the second channel; one end of the first channel and one end of the second channel communicate with the air inlet through the fan assembly, and the other end of the first channel and the other end of the second channel communicate with the air outlet. According to the double-lamp-tube hair removal instrument, the heat dissipation effect of the hair removal instrument is effectively enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to depilation instrument technical field, especially in kind of double lamp tube depilation instrument. BACKGROUND

[0002] The depilation instrument mainly utilizes the light heat principle to depilate. Specifically, the light wave heat of the depilation instrument can directly act on the hair follicle, so that the hair follicle shrinks gradually after being heated, and then influences the blood circulation of the hair follicle, leading to that the hair follicle can not provide necessary nutrients for the growth of hair, and with the lapse of time, the hair follicle will completely lose the ability of growing hair, so that the depilation purpose is achieved.

[0003] The existing depilation instrument will be provided with a heat dissipation device, and the heat dissipation performance of the heat dissipation device will affect the cold compress effect of the depilation instrument and the durability of the depilation instrument. However, the heat dissipation device of the traditional depilation instrument is arranged for a single lamp tube light source, and the existing depilation instrument starts to use double lamp tubes as light sources in order to improve the working efficiency. The arrangement of the double lamp tube light source makes the heat generated by the depilation instrument during work greatly increased. However, the heat dissipation efficiency of the heat dissipation device of the traditional depilation instrument is limited, and it cannot better adapt to the double lamp tube depilation instrument.

[0004] Therefore, the prior art still needs to be improved and improved. CONTENT OF THE UTILITY MODEL

[0005] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a double lamp tube depilation instrument, which aims to solve the problem of poor heat dissipation effect of the double lamp tube depilation instrument in the background art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A double lamp tube depilation instrument comprises:

[0008] A shell assembly is provided with an air inlet and an air outlet;

[0009] A depilation assembly comprises a light-transmitting crystal, a heat dissipation piece and two light sources. One side of the light-transmitting crystal is provided with a cold compress piece. One side of the heat dissipation piece is provided with a reflecting piece to reflect part of the light of the light source and irradiate the light through the light-transmitting crystal to the hair to be removed. The other opposite side of the heat dissipation piece is provided with a heat dissipation part;

[0010] A heat dissipation assembly comprises an air duct cover, a heat dissipation support and a heat pipe heat dissipation fin. The air duct cover, the heat dissipation support and the depilation assembly define a first channel, so that the airflow passes through the light source and the heat dissipation part. The heat dissipation support is provided with a second channel for the airflow to pass through. One end of the heat pipe heat dissipation fin is attached to the cold compress piece. The other end of the heat pipe heat dissipation fin is provided with a heat dissipation fin unit, and the heat dissipation fin unit is located in the second channel.

[0011] A fan assembly, one end of the first channel and the second channel is communicated with the air inlet through the fan assembly, and the other end of the first channel and the second channel is communicated with the air outlet.

[0012] The heat dissipation fin unit is at least two, and is parallel to the light source, and the end of the heat dissipation fin unit is flush on one side of the outlet end of the second channel, and the length of the heat dissipation fin unit close to the light source is greater than the length of the heat dissipation fin unit away from the light source.

[0013] The second channel is provided with a flow divider.

[0014] The flow divider is L-shaped or arc-shaped.

[0015] The heat dissipation support includes side plates and a connecting plate, the two side plates are oppositely arranged and connected by the connecting plate to define a containing space for containing the heat dissipation member and the light source, the containing space is located in the first channel, and a limiting member is arranged on the inner wall of the side plate to limit the heat dissipation member in the containing space; the hair removal assembly includes a light filtering unit, the light filtering unit is arranged at the end of the heat dissipation support to define the airflow flowing into one end of the containing space and flowing out of the other end of the containing space.

[0016] The light filtering unit includes a first light filter and a second light filter, the air duct cover is provided with a support portion, an upper end surface of the support portion is used for mounting the second light filter, and a lower end surface of the support portion is used for limiting the first light filter at the end of the heat dissipation support, a hollow sealing member is arranged between the second light filter and the light-transmitting crystal to seal the area between the second light filter and the light-transmitting crystal, and a bending portion is arranged on the air duct cover to limit the sealing member on the end surface of the second light filter.

[0017] The shell assembly includes a front shell and a rear shell oppositely arranged with the front shell, the front shell is provided with a circuit board, and a conductive sheet for supporting the light source is inserted into the circuit board to make the two light sources equidistant from the light filtering unit; the air inlet is located on the rear shell, the front shell is clamped and matched with the rear shell, and the air outlet is located on the circumferential side of the shell assembly.

[0018] The air duct cover includes an air duct upper cover and an air duct lower cover, the air duct upper cover and the air duct lower cover are oppositely arranged and buckled to define a light passage in the inside of the air duct cover, the light-transmitting crystal is arranged in the light passage, one end of the light-transmitting crystal faces the light outlet side, and the other end of the light-transmitting crystal is matched with the sealing member.

[0019] An arc-shaped protrusion is arranged on the inner wall of the air duct cover, and an arc-shaped recess is arranged on the side wall of the light-transmitting crystal and matched with the arc-shaped protrusion.

[0020] The side of the light-transmitting crystal is in contact with one end surface of the cold compress through a heat-dissipating silicone sheet, the other end surface of the cold compress is attached to the heat pipe radiating fin, and the heat pipe radiating fin is fixed to the side of the air duct cover through screwing.

[0021] Compared with the prior art, the double-lamp tube hair removal instrument provided by the utility model has the advantages that:

[0022] A shell assembly is provided with an air inlet and an air outlet.

[0023] A hair removal assembly includes a light-transmitting crystal, a heat-dissipating member and two light sources, one side of the light-transmitting crystal is provided with a cold compress, one side of the heat-dissipating member is provided with a reflecting member to reflect part of light of the light sources and irradiate the light-transmitting crystal to the hair to be removed, and the other opposite side of the heat-dissipating member is provided with a heat-dissipating part.

[0024] A heat-dissipating assembly includes an air duct cover, a heat-dissipating support and a heat pipe radiating fin, the air duct cover, the heat-dissipating support and the hair removal assembly define a first channel to make air flow pass through the light sources and the heat-dissipating part, the heat-dissipating support is provided with a second channel for air flow to pass through, one end of the heat pipe radiating fin is attached to the cold compress, the other end of the heat pipe radiating fin is provided with a heat-dissipating fin unit, and the heat-dissipating fin unit is located in the second channel.

[0025] A fan assembly is arranged to communicate the first channel and one end of the second channel with the air inlet, and the other end of the first channel and the second channel with the air outlet. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A structure diagram of the double-lamp tube hair removal instrument is provided.

[0027] Figure 2 An exploded view of the double-lamp tube hair removal instrument is provided.

[0028] Figure 3 An exploded view of part of the structure of the double-lamp tube hair removal instrument is provided.

[0029] Figure 4The utility model provides a cross section schematic view of the hair removal component, air duct cover and heat dissipation support in the double lamp tube hair removal appearance.

[0030] Figure 5 The utility model provides a cross section schematic view of the double lamp tube hair removal appearance.

[0031] Figure 6 For Figure 5 The local enlarged view of A in the middle.

[0032] Figure 7 The utility model provides a structure schematic view of the heat dissipation support in the double lamp tube hair removal appearance.

[0033] Figure 8 The utility model provides a assembly structure schematic view of the second filter sheet and air duct cover in the double lamp tube hair removal appearance.

[0034] Reference Signs

[0035] Housing assembly 1, air inlet 101, air outlet 102, front shell 11, circuit board 111, conductive sheet 112, rear shell 12, front cover 13, light transmission crystal 21, arc recess 211, heat dissipation piece 22, heat dissipation part 221, light source 23, cold compress piece 24, light reflection piece 25, buckle joint part 251, light filter unit 26, first light filter sheet 261, second light filter sheet 262, sealing piece 27, air duct cover 30, support part 311, bending part 312, air duct upper cover 301, air duct lower cover 302, light outlet channel 313, arc convex 314, heat dissipation support 32, side plate 321, connecting plate 322, limiting piece 323, mounting part 324, heat pipe heat dissipation sheet 33, heat dissipation fin unit 34, heat dissipation silicone sheet 35, first channel 41, second channel 42, shunt piece 421, fan assembly 5. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and effect of the utility model more clear and definite, the utility model is further explained in detail below with reference to the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model and not to limit the utility model.

[0037] It should be noted that when a component is referred to as being "mounted on", "fixed on" or "disposed on" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there can be a middle component.

[0038] It should also be noted that the left, right, up, down and other orientation terms in the utility model examples are only relative concepts or are referenced to the normal use state of the product and should not be considered as limiting.

[0039] The depilation instrument mainly uses the light-heat principle to depilate. Specifically, the light wave heat of the depilation instrument can directly act on the hair follicle, so that the hair follicle shrinks gradually after being heated, thereby affecting the blood circulation of the hair follicle, causing the hair follicle to be unable to provide necessary nutrients for the growth of hair, and with the passage of time, the hair follicle will completely lose the ability to grow hair, thereby achieving the purpose of depilation.

[0040] The existing depilation instrument is provided with a heat dissipation device, and the heat dissipation performance of the heat dissipation device affects the cold compress effect of the depilation instrument and the durability of the depilation instrument. However, the heat dissipation device of the traditional depilation instrument is arranged for a single lamp tube light source. In order to improve the working efficiency, the existing depilation instrument starts to use double lamp tubes as light sources. The arrangement of the double lamp tube light source causes the heat generated by the depilation instrument during work to increase greatly. The heat dissipation efficiency of the heat dissipation device of the traditional depilation instrument is limited, and it cannot better adapt to the double lamp tube depilation instrument.

[0041] The utility model provides a kind of double lamp tube depilation instrument, please refer to Figure 1 Figure 8 , comprising:

[0042] Housing assembly 1, the housing assembly 1 is provided with air inlet 101 and air outlet 102;

[0043] Depilation component, the depilation component includes light-transmitting crystal 21, heat dissipation piece 22 and two light sources 23, one side of the light-transmitting crystal 21 is provided with cold compress piece 24, one side of the heat dissipation piece 22 is provided with reflecting piece 25, to reflect part of light of the light source 23 and be irradiated to the hair to be removed by the light-transmitting crystal 21, and heat dissipation part 221 is provided on the other opposite side of the heat dissipation piece 22;

[0044] Heat dissipation component, the heat dissipation component includes air duct cover 30, heat dissipation support 32 and heat pipe fin 33, the air duct cover 30, the heat dissipation support 32, the depilation component defines first passageway 41, so that airflow passes through the light source 23 and the heat dissipation part 221, the second passageway 42 for airflow is provided in the heat dissipation support 32, one end of the heat pipe fin 33 is attached with the cold compress piece 24, the other end of the heat pipe fin 33 is provided with heat dissipation fin unit 34, and the heat dissipation fin unit 34 is located in the second passageway 42;

[0045] ​The fan assembly 5 is in communication with the air inlet 101 at one end of the first channel 41 and the second channel 42, and in communication with the air outlet 102 at the other end of the first channel 41 and the second channel 42. In the present application, the fan assembly 5 pushes the airflow to circulate between the air inlet 101 and the air outlet 102, thereby dissipating heat from the components in the first channel 41 and the second channel 42, effectively enhancing the heat dissipation effect of the hair removal device, improving the durability of the hair removal device, and reducing the burning sensation caused by the light emitted by the hair removal device on the skin.

[0046] Further, the heat dissipation fin unit 34 has at least two, and is parallel to the light source 23, and is arranged on one side of the outlet end of the second channel 42. The end of the heat dissipation fin unit 34 is flush, and the length of the heat dissipation fin unit 34 close to the light source 23 is greater than the length of the heat dissipation fin unit 34 away from the light source 23.

[0047] In the present application, the heat dissipation fin unit 34 has three, and each heat dissipation fin unit 34 is composed of several heat dissipation fins at equal intervals. Because the lengths of the three heat dissipation fin units 34 are different, at the inlet end of the second channel 42, any two adjacent heat dissipation fin units 34 have a stepped end, and along the light emitting direction of the light source 23, the length of the heat dissipation fin unit 34 gradually increases. If the lengths of the three heat dissipation fins are the same, after the airflow enters the second channel 42 through the inlet end of the second channel 42, it cannot pass through each heat dissipation fin unit 34 evenly, that is, it cannot effectively take away the heat between the heat dissipation fin units 34. The heat transferred by the light-transmitting crystal 21 through the cold compress element 24 and the heat pipe fin 33 accumulates in the hair removal device, the working temperature of the light-transmitting crystal 21 increases, and the user will feel a burning pain when using the hair removal device, affecting the user's experience. The stepped end of the heat dissipation fin can guide the airflow entering the second channel 42, which helps the airflow to enter the three heat dissipation fin units 34 as evenly as possible, so as to quickly take away the heat transferred by the heat dissipation element 22.

[0048] Further, the second channel 42 is provided with a flow divider 421. In the embodiment of the present application, two flow dividers 421 are provided, and are arranged close to the inlet end of the second channel 42. When the air flow enters the inlet end of the second channel 42 through the fan assembly 5, the flow dividers 421 will guide the entering air flow, so that the air flow can better enter the corresponding heat dissipation fin unit 34, thereby faster carrying away the heat conducted by the heat dissipation member 22. The flow divider 421 is L-shaped or arc-shaped. When the flow divider 421 is L-shaped, the bending part thereof can be provided with a chamfer, so that the guidance of the air flow is more smooth. When the flow divider 421 is arc-shaped, different diameters of quarter circular arcs can be selected according to different heat dissipation fin units 34, so as to effectively divide and guide the air flow entering the inlet end of the second channel 42, so that the heat conducted by the heat dissipation member 22 can be quickly discharged from the hair removal instrument through the air outlet 102. Of course, the shape of the flow divider 421 can also be adaptively adjusted on the basis of the L-shaped and arc-shaped shapes, which will not be described herein.

[0049] Further, the heat dissipation support 32 includes side plates 321 and a connecting plate 322. The two side plates 321 are oppositely arranged and connected by the connecting plate 322, and define a containing space for containing the heat dissipation member 22 and the light source 23. The containing space is located in the first channel 41. Limiting members 323 are arranged on the inner walls of the side plates 321, so as to limit the heat dissipation member 22 in the containing space. The hair removal assembly includes a light filtering unit 26, which is arranged at the end of the heat dissipation support 32, so as to limit the air flow to flow into the containing space from one end thereof and flow out of the containing space from the other end thereof.

[0050] In the embodiment of the present application, the two oppositely arranged side plates 321 and the connecting plate 322 are integrally formed, the inner wall of the side plate 321 is provided with a mounting portion 324 to support the heat dissipation piece 22 in the accommodation space, the lower end of the heat dissipation piece 22 (i.e. one side of the heat dissipation portion 221) has a gap with the connecting plate 322, so that the airflow can flow through the heat dissipation portion 221 more fully, and the heat dissipation piece 22 is stably installed in the accommodation space through the cooperation of the mounting portion 324 and the limiting piece 323; one side surface of the heat dissipation piece 22 is a smooth surface and is in a C shape, used for accommodating the light reflecting piece 25, the light reflecting piece 25 is also in a C shape, the two light sources 23 are located in the light reflecting piece 25, and the two ends of the light reflecting piece 25 are bent to have buckling portions 251 away from the light source 23 side, so as to detachably install the light reflecting piece 25 on the heat dissipation piece 22; the light filtering unit 26 is arranged at the end of the heat dissipation support 32 and is located in the light emitting direction of the light source 23, the cooperation of the light filtering unit 26 and the heat dissipation support 32 makes the accommodation space become a space with two open ends, which can effectively guide the airflow to flow through the light source 23 and timely take away the heat generated by the light source 23 during work; at the same time, the heat dissipation support 32 and the heat dissipation piece 22 also define a space to guide the airflow to flow through the heat dissipation portion 221, further reduce the heat around the light source 23, and avoid the accumulation of internal heat of the hair removal instrument to affect the service life of the internal parts.

[0051] Further, the light filtering unit 26 includes a first light filter 261 and a second light filter 262, the air duct cover 30 is provided with a supporting portion 311, the upper end surface of the supporting portion 311 is used to install the second light filter 262, the lower end surface of the supporting portion 311 is used to limit the first light filter 261 at the end of the heat dissipation support 32, a hollow sealing piece 27 is arranged between the second light filter 262 and the light-transmitting crystal 21 to seal the area between the second light filter 262 and the light-transmitting crystal 21, and the air duct cover 30 is provided with a bent portion 312 to limit the sealing piece 27 on the end surface of the second light filter 262.

[0052] In the embodiment of the present application, two filters are arranged in the light emitting direction of the light source 23. On the one hand, the light filtered by the two filters is more uniform in energy, and the heat stimulation to the skin is reduced, thereby reducing the pain during use. On the other hand, the two filters can realize the switching of multiple functions, such as simultaneously having the functions of hair removal and skin rejuvenation. In addition, the two filters can more accurately filter light of a specific wavelength range suitable for hair removal, and by combining different wavelengths, different depths of hair follicles can be better covered, improving the comprehensiveness and persistence of hair removal. The support part 311 can better define the first filter 261 on the heat dissipation bracket 32, ensuring the stability of the installation of the first filter 261, and can also support the second filter 262, making the overall assembly structure more compact. The inner wall of the sealing member 27 extends a stepped portion. When the sealing member 27 is sleeved on the side of the light-transmitting crystal 21, the lower end of the light-transmitting crystal 21 (i.e., the end close to the light source 23) is in contact with the stepped portion, so that the area between the second filter 262 and the light-transmitting crystal 21 is sealed, thereby avoiding the entry of water vapor between the light-transmitting crystal 21 and the second filter 262 to affect the light emitting quality of the light source 23, and ensuring that the hair removal instrument has good hair removal effect. The air duct cover 30 presses the sealing member 27 on the end face of the second filter 262 through the bending part 312, and limits the sealing member 27 from the side, further ensuring the stability of the installation of the sealing member 27, so that the light emitting effect is more stable.

[0053] Further, the shell assembly 1 comprises a front shell 11, a rear shell 12 arranged opposite to the front shell 11, and an upper cover 13. The upper cover 13 is clamped and matched with the front shell 11 and the rear shell 12. The front shell 11 is provided with a circuit board 111. The circuit board 111 is provided with a conductive sheet 112 for supporting the light source 23, so that the two light sources 23 are equidistant from the light filtering unit 26. The air inlet 101 is located on the rear shell 12. The front shell 11 is clamped and matched with the rear shell 12. The air outlet 102 is located on the side of the shell assembly 1.

[0054] In the embodiment of the present application, the circuit board 111 is clamped on the inner wall of the front shell 11, the conductive sheet 112 is inserted into the mounting hole on the circuit board 111 at the end close to the front shell 11, the conductive sheet 112 is provided with a mounting position at the end close to the rear shell 12 for supporting the light source 23, and the light source 23 is located between the light filtering unit 26 and the reflecting piece 25; the two light sources 23 are equidistantly arranged with the light filtering unit 26, which ensures that the light emitted by the two light sources 23 is more evenly distributed on the skin after passing through the light filtering unit 26, helps to reduce the problem of uneven energy in the hair removal process, and makes the hair removal effect more consistent; in addition, when the two light sources 23 are equidistantly arranged with the light filtering unit 26, the energy of the two light sources 23 can be maximized, the energy loss is reduced, and at the same time, the stress concentration problem between the light source 23 and the light filter can be reduced, prolonging the service life of the hair removal instrument. Because the hair removal instrument product is usually flat, in order to improve the flow rate of airflow between the air inlets 101 and the air outlets 102, one air inlet 101 is arranged on the back of the hair removal instrument (i.e., the air inlet 101 is arranged on the rear shell 12), and two air outlets 102 are arranged on the left side and the bottom of the hair removal instrument (i.e., arranged on the joint between the front shell 11 and the rear shell 12 on the side).

[0055] Further, the air duct cover 30 includes an air duct upper cover 301 and an air duct lower cover 302, the air duct upper cover 301 and the air duct lower cover 302 are oppositely arranged and buckled to define a light passage 313 inside the air duct cover 30, the light-transmitting crystal 21 is arranged in the light passage 313, one end of the light-transmitting crystal 21 faces the light outlet side, and the other end of the light-transmitting crystal 21 is matched with the sealing piece 27. The air duct cover 30 is located at the front end of the heat dissipation support 32, that is, the air duct cover 30 is deviated to the light outlet side, buckles are arranged on the wide surface of the air duct cover 30 to be buckled with the buckle holes on the heat dissipation support 32, and the narrow surfaces of the air duct upper cover 301 and the air duct lower cover 302 are buckled. An arc-shaped protrusion 314 is arranged on the inner wall of the air duct cover 30, and an arc-shaped recess 211 matched with the arc-shaped protrusion 314 is arranged on the side wall of the light-transmitting crystal 21. In the embodiment of the present application, the air duct upper cover 301 and the air duct lower cover 302 are buckled to form the light passage 313, and the light-transmitting crystal 21 is arranged in the light passage 313. When the light-transmitting crystal 21 is installed in the light passage 313 buckled by the air duct upper cover 301 and the air duct lower cover 302, the arc-shaped protrusion 314 and the arc-shaped recess 211 are matched to limit the position of the light-transmitting crystal 21, avoid the light-transmitting crystal 21 moving up and down along the air outlet passage, and ensure the stability of the light outlet quality.

[0056] Further, the side surface of the light-transmitting crystal 21 is in contact with one end surface of the cold compress element 24 through a heat dissipation silicone sheet 35, and the other end surface of the cold compress element 24 is attached to the heat pipe heat dissipation fin 33, which is fixed to the side surface of the air duct cover 30 by screwing. In the embodiment of the present application, the side surface of the light-transmitting crystal 21 conducts heat to the heat pipe heat dissipation fin 33 through the heat dissipation silicone sheet 35 and the cold compress element 24 in turn. The light-transmitting crystal 21 is sapphire, and the cold compress element 24 is a semiconductor refrigeration sheet. The principle of heat conduction from sapphire to the semiconductor refrigeration sheet is prior art in the field of hair removal instruments, and will not be described here. The heat dissipation silicone sheet 35 is arranged between the cold compress element 24 and the light-transmitting crystal 21. The reason is that, in the actual production process of the hair removal instrument, due to part installation errors, processing errors, thermal expansion and contraction of materials, etc., if the two side surfaces of the cold compress element 24 are directly attached to the heat pipe heat dissipation fin 33 and the light-transmitting crystal 21, a gap may be generated on at least one side of the cold compress element 24, and the heat dissipation silicone sheet 35 can fill the small gap, so that the heat conduction path is smoother. At the same time, the heat dissipation silicone sheet 35 can make the heat from the light-transmitting crystal 21 more evenly distributed on the contact surface of the cold compress element 24, avoid local overheating or uneven heat dissipation, help to maintain the temperature balance of each part of the light-transmitting crystal 21, ensure the stability and consistency of the light output of the hair removal instrument, and improve the hair removal effect. In addition, the expansion coefficients of the cold compress element 24, the light-transmitting crystal 21 and the heat pipe heat dissipation fin 33 may be different, and the temperature change in use will cause differences in their expansion and contraction. The heat dissipation silicone sheet 35 can play a buffering role, reduce the stress generated by the difference in thermal expansion, and prolong the service life of each component of the hair removal instrument.

[0057] In summary, the double-lamp hair removal instrument provided by the present application comprises:

[0058] The shell assembly is provided with an air inlet and an air outlet.

[0059] The hair removal assembly comprises a light-transmitting crystal, a heat dissipation element and two light sources. One side of the light-transmitting crystal is provided with a cold compress element. One side of the heat dissipation element is provided with a reflecting element to reflect part of the light of the light source and irradiate it to the hair to be removed through the light-transmitting crystal. The other opposite side of the heat dissipation element is provided with a heat dissipation part.

[0060] The heat dissipation assembly comprises an air duct cover, a heat dissipation support and a heat pipe heat dissipation fin. The air duct cover, the heat dissipation support and the hair removal assembly define a first channel to make the airflow pass through the light source and the heat dissipation part. The heat dissipation support is provided with a second channel for the airflow to pass through. One end of the heat pipe heat dissipation fin is attached to the cold compress element. The other end of the heat pipe heat dissipation fin is provided with a heat dissipation fin unit, and the heat dissipation fin unit is located in the second channel.

[0061] The fan assembly is used for pushing the airflow to flow between the air inlet and the air outlet, and is used for dissipating heat of the components in the first channel and the second channel, so that the heat dissipation effect of the hair removal instrument is effectively enhanced, the durability of the hair removal instrument is improved, and the burning sensation caused by the light emitted by the hair removal instrument on the skin is reduced.

[0062] It can be understood that, for those skilled in the art, equivalent replacements or changes can be made according to the technical scheme and the inventive concept of the utility model, and all these changes or replacements shall belong to the protection scope of the claims attached to the utility model.

Claims

1. A dual lamp hair removal device, characterized in that, The application relates to a hair removal device, which comprises a shell assembly provided with an air inlet and an air outlet; a hair removal assembly comprising a light-transmitting crystal, a heat-dissipating piece and two light sources, one side of the light-transmitting crystal being provided with a cold compress piece, one side of the heat-dissipating piece being provided with a reflecting piece for reflecting part of light of the light sources and transmitting the light to the hair to be removed through the light-transmitting crystal, the other side of the heat-dissipating piece being provided with a heat-dissipating part; a heat-dissipating assembly comprising a duct cover, a heat-dissipating support and a heat-pipe heat-dissipating fin, the duct cover, the heat-dissipating support and the hair removal assembly defining a first channel for air flow to pass through the light sources and the heat-dissipating part, the heat-dissipating support being provided with a second channel for air flow to pass through, one end of the heat-pipe heat-dissipating fin being attached to the cold compress piece, the other end of the heat-pipe heat-dissipating fin being provided with a heat-dissipating fin unit, and the heat-dissipating fin unit being located in the second channel; and a fan assembly, one end of the first channel and the second channel being communicated with the air inlet through the fan assembly, and the other end of the first channel and the second channel being communicated with the air outlet. The heat-dissipating fin unit has at least two units and is parallel to the light sources, the end of the heat-dissipating fin unit is flush at one side of the outlet end of the second channel, and the length of the heat-dissipating fin unit close to the light sources is greater than that of the heat-dissipating fin unit far from the light sources. The second channel is provided with a flow divider. The flow divider is L-shaped or arc-shaped. The heat-dissipating support comprises side plates and connecting plates, the side plates are oppositely arranged and connected through the connecting plates and define a containing space for containing the heat-dissipating piece and the light sources, the containing space is located in the first channel, the inner wall of the side plates is provided with a limiting piece for limiting the heat-dissipating piece in the containing space, and the hair removal assembly comprises a light-filtering unit, the light-filtering unit is arranged at the end of the heat-dissipating support to limit the air flow to flow into one end of the containing space and flow out of the other end of the containing space.

2. The dual lamp hair removal device of claim 1, wherein, The light-filtering unit comprises first and second light filters, the duct cover is provided with a support part, the upper end surface of the support part is used for mounting the second light filter, the lower end surface of the support part is used for limiting the first light filter at the end of the heat-dissipating support, a hollow sealing piece is arranged between the second light filter and the light-transmitting crystal to seal the area between the second light filter and the light-transmitting crystal, and the duct cover is provided with a bending part to limit the sealing piece on the end surface of the second light filter.

3. The dual lamp hair removal device of claim 2, wherein, The shell assembly comprises a front shell and a rear shell oppositely arranged with the front shell, the front shell is provided with a circuit board, the circuit board is inserted with a conductive sheet for supporting the light sources to make the two light sources equidistant from the light-filtering unit, the air inlet is located on the rear shell, the front shell is clamped and matched with the rear shell, and the air outlet is located on the circumferential side of the shell assembly.

4. The dual lamp hair removal device of claim 3, wherein, ​ 5. The dual lamp hair removal device of claim 1, wherein, ​ 6. The dual lamp hair removal device of claim 5, wherein, ​ 7. The dual lamp hair removal device of claim 5, wherein, ​ 8. The dual lamp hair removal device of claim 6, wherein, The air duct cover comprises an upper air duct cover and a lower air duct cover, which are oppositely arranged and buckled to define a light passage inside the air duct cover, the light-transmitting crystal is arranged in the light passage, one end of the light-transmitting crystal faces the light-emitting side, and the other end of the light-transmitting crystal is matched with the sealing element.

9. The dual lamp hair removal device of claim 8, wherein, An arc-shaped protrusion is arranged on the inner wall of the air duct cover, and an arc-shaped recess matched with the arc-shaped protrusion is arranged on the side wall of the light-transmitting crystal.

10. The dual lamp hair removal device of claim 1, wherein, The side surface of the light-transmitting crystal is in contact with one end surface of the cold compress element through a heat dissipation silicone sheet, the other end surface of the cold compress element is attached to the heat pipe fin, and the heat pipe fin is fixed to the side surface of the air duct cover through screwing.