Efficient heating assembly of hair straightening comb structure

By employing a tightly fitted design of a wave-shaped flat heating element and a thermally conductive insulating layer in the hair straightener, combined with a thermally conductive metal shell and a temperature sensor, the problem of long heating time and poor temperature recovery in existing hair straighteners has been solved. This achieves rapid heating and stable temperature control, improving user experience and hair straightening efficiency.

CN224054438UActive Publication Date: 2026-03-27SHENZHEN ADAIR TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing hair straighteners have low heating element power density, resulting in long heating times and poor temperature recovery, which affects user experience and time efficiency.

Method used

It adopts a waveform flat heating element, combined with a thermally conductive insulation layer, a fixing bracket, a comb sleeve and a temperature sensor. The tight fit design improves heating efficiency, and the thermally conductive metal shell is used to evenly conduct heat. The temperature sensor responds quickly to control the temperature.

Benefits of technology

Shorten initial heating time, reduce cooling during use, and enable rapid temperature recovery, thereby improving user experience and hair straightening efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient heating assembly of a hair straightening comb structure. The efficient heating assembly comprises a heating body, a heat conduction insulating layer, a fixing support, a comb tooth sleeve and a temperature sensor. The heating body is in a wave-shaped flat shape and is provided with wave crests and wave troughs. The heat-conducting insulating layer covers the surface of the heating body; the fixing support is sequentially provided with a plurality of fixing holes, and the fixing support is arranged at the position from the wave crest to the wave trough of the heating body in a sleeving mode through the fixing holes to be fixed. The comb tooth sleeve comprises a head part and side columns located on the two sides of the head part, the head part is arranged on the top of the wave crest of the heating body in a sleeving mode, and the side columns are used for shielding gaps between the two sides of the wave crest of the heating body; the temperature sensor is arranged on the back side of one wave crest of the heating body. Therefore, according to the heating assembly of the efficient hair straightening comb structure, the initial heating time can be shortened, cooling during use is reduced, temperature can be quickly returned, the waiting time of a user is saved, and the user experience is remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to straight comb technical field, especially a kind of efficient straight comb structure heating assembly. BACKGROUND

[0002] Low voltage charging type straight comb is heated to 140~230 ℃ by heating body to fixed comb tooth (mainly die-cast aluminum material), utilizes high temperature comb tooth to straighten comb, makes hair fast heated and is served, is a practical and efficient hairdressing tool, especially suitable for modern fast-paced people. However, the heating body of straight comb on the market is generally MCH ceramic sheet and PI film heating sheet, and the comb tooth structure relies on die-cast aluminum process. Due to the limitation of die-casting aluminum forming process, the shape and weight of comb tooth are difficult to optimize, and the comb tooth itself has a certain weight. At the same time, the power density of MCH and PI film heating body is low, and the time required to heat heavy comb tooth is long under the condition of fixed power. Taking heating to 200 degrees as an example, the actual temperature reaches the target value from starting, and the whole heating process takes 3~6 minutes, which is contrary to the original intention of the design of charging portable product, and significantly reduces the user experience. In addition, the comb tooth heat loss is fast during use, and the heating body has poor back temperature effect due to insufficient power density. Part of the design attempts to store heat by increasing the weight and number of die-cast aluminum comb teeth, but due to insufficient heating power, the back temperature performance is still not ideal. Continuous use test shows that the temperature of comb tooth will drop to 110~130 ℃, which will further prolong the initial heating time, and seriously affect the time efficiency of user. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in prior art. To this end, the utility model provides a kind of efficient straight comb structure heating assembly, can shorten initial heating time, reduce when using temperature drop, and can fast back temperature, save the waiting time of user, significantly improve user experience.

[0004] The technical scheme adopted by the utility model to solve its technical problems is:

[0005] A kind of efficient straight comb structure heating assembly, comprising

[0006] Heating body, is wave-shaped flat, has wave crest and wave trough;

[0007] Thermal insulation layer, covers the surface of the heating body;

[0008] Fixed support, sequentially provided with a plurality of fixing holes, the fixed support is fixed by the fixing hole set in the wave crest to wave trough of the heating body;

[0009] The comb tooth sleeve comprises a head portion, side columns on both sides of the head portion, the head portion is sleeved on the top of the wave peak of the heating body, and the side columns are used for shielding the gaps on both sides of the wave peak of the heating body.

[0010] A temperature sensor is arranged on the back side of one wave peak of the heating body.

[0011] According to the high-efficiency straightening comb structure heating assembly, the heating body is in a wave shape, which is beneficial to contact with hair, the fixed support is provided with a fixing hole, and the function of fixing the heating body is realized, the heating body is in a flat shape, and the heating area can be increased, heat is generated by passing current through the heating body, the heating body and the heat-conducting insulation layer are closely attached, heat is quickly transferred to the heat-conducting insulation layer, the head portion and the side columns of the comb tooth sleeve are removed during use, and the heating body insulation layer directly contacts with hair, therefore, compared with the traditional heating sheet for heating the die-cast aluminum comb tooth, the initial heating time can be shortened. The temperature sensor is also closely attached to the back side of the wave peak of the heating body, temperature change can be quickly sensed, when the temperature reaches a set target value, the system immediately cuts off the power supply of the heating body, when the temperature decreases, the system immediately supplies power to the heating body, and the temperature on the surface of the comb tooth can be maintained at the set target temperature. Therefore, the high-efficiency straightening comb structure heating assembly can shorten the initial heating time, reduce temperature drop during use, quickly restore temperature, save waiting time of a user, and significantly improve user experience.

[0012] According to some embodiments of the utility model, the heating body is in a square wave shape, and the top of the wave peak of the square wave shape is provided with a circular arc protrusion.

[0013] Beneficially, the heating body in the square wave shape is beneficial to combining with the comb tooth sleeve to form a suitable combing distance for combing hair, the design of the circular arc protrusion can further increase the heating area of the heating body, improve heating efficiency, reduce pulling and damage to hair, and make the straightening process more smooth.

[0014] According to some embodiments of the utility model, a heat-conducting metal shell is further included, the heat-conducting metal shell is sleeved on the wave peak of the heating body, and the comb tooth sleeve is sleeved on the heat-conducting metal shell.

[0015] Beneficially, the heat-conducting metal shell can quickly and uniformly conduct heat, avoid local overheating, ensure that hair is uniformly heated, improve straightening effect, fix and protect the heating body, and prolong the service life of the heating body.

[0016] According to some embodiments of the utility model, the comb tooth sleeve is integrally provided with a plurality of sleeve holes in the back surface and used for sleeving the heat-conducting metal shell.

[0017] Beneficially: the integrally formed comb tooth sleeve structure is simple, easy to install, the sleeve hole design makes the connection of the comb tooth sleeve and the heat-conducting metal shell more stable, and ensures the stability and safety during use.

[0018] According to some embodiments of the utility model, the heating body is provided with multiple rows, the fixing support is provided with multiple rows of corresponding fixing holes, and the multiple rows of heating bodies are arranged in parallel in the length direction of the fixing support.

[0019] Beneficially: the design of multiple rows of heating bodies can heat more hair at the same time, improve the straightening efficiency, especially suitable for users with thick hair, and shorten the overall styling time.

[0020] According to some embodiments of the utility model, a bottom pressing cover is further included, which is arranged on the bottom surface of the fixing support and used for pressing the heating body.

[0021] Beneficially: the bottom pressing cover can effectively fix the heating body, prevent it from shifting or loosening during use, and ensure the stability and safety of the heating assembly.

[0022] According to some embodiments of the utility model, a first through hole is arranged in the middle of the bottom pressing cover, the first through hole is used for accommodating the temperature sensor to pass through and be mounted into the back side of the wave crest of the heating body, second through holes are arranged on both sides of the middle of the bottom pressing cover, and the second through holes are used for accommodating the heating body to extend out from both ends.

[0023] Beneficially: the design of the first through hole makes the installation of the temperature sensor more convenient, the mounting into the back side of the wave crest of the heating body ensures the close fit of the sensor and the heating body, improves the accuracy and response speed of temperature detection, and the design of the second through hole is beneficial to the connection of the heating body and the lead wire, reduces the installation difficulty.

[0024] According to some embodiments of the utility model, the heating body has a positive electrode connector and a negative electrode connector, and the positive electrode connector and the negative electrode connector are arranged at both ends of the heating body respectively.

[0025] Beneficially: the separation design of the positive and negative electrode connectors simplifies the circuit connection, reduces the installation difficulty, reduces the risk of circuit short circuit, and improves the safety of the heating assembly.

[0026] According to some embodiments of the utility model, the material of the comb tooth sleeve is high-temperature-resistant plastic.

[0027] Beneficially: the high-temperature-resistant plastic can withstand high-temperature environment, avoid deformation or damage due to long-time heating, and ensure the durability and stability of the comb tooth sleeve.

[0028] According to some embodiments of the utility model, the comb tooth sleeve is integrally injection molded with the heating body through a common mode.

[0029] The benefits are that the one-piece injection molding process simplifies the production process, reduces costs, and ensures a tight fit between the comb sleeve and the heating element, thereby improving the stability and durability of the overall structure.

[0030] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of an embodiment of the present utility model;

[0033] Figure 2 for Figure 1 A schematic diagram of the decomposition process;

[0034] Figure 3 for Figure 2 A schematic diagram of the cross-section of the comb bushing;

[0035] Figure 4 This is a schematic diagram of the installation of a heat-conducting metal shell in another embodiment of the present invention;

[0036] Figure 5 for Figure 2 Schematic diagram of the cross-section of the heating element;

[0037] Figure 6 for Figure 5 Enlarged diagram of point A in the middle.

[0038] Reference numerals: heating element 100, peak 110, trough 120, thermally conductive insulating layer 130, fixing bracket 140, fixing hole 150, comb sleeve 160, head 170, side column 180, temperature sensor 190, thermally conductive metal shell 200, sleeve hole 210, bottom pressure cover 220, first through hole 230, second through hole 240, positive terminal connector 250, negative terminal connector 260. Detailed Implementation

[0039] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0040] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0041] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If the first and the second are described, this is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.

[0042] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting, connecting and connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] The following refers to Figures 1-6 A high-efficiency straight comb structure heating assembly is described in detail in one specific embodiment. It should be understood that the following description is only exemplary and is not a specific limitation of the application.

[0044] As Figures 1-6As shown, a high-efficiency straightening comb structure heating assembly includes a heating body 100, a heat-conducting insulating layer 130, a fixed support 140, a comb tooth sleeve 160, and a temperature sensor 190. The heating body 100 is in a wave shape and has wave crests 110 and wave troughs 120. This wave shape design facilitates contact with hair and improves heating efficiency. The heat-conducting insulating layer 130 covers the surface of the heating body 100 and plays an insulating and protective role. The fixed support 140 is provided with a plurality of fixing holes 150 in sequence and is sleeved on the wave crests 110 to the wave troughs 120 of the heating body 100, thereby playing a role of fixing the heating body 100. The comb tooth sleeve 160 includes a head 170 and side columns 180 located on both sides of the head 170. The head 170 is sleeved on the top of the wave crest 110 of the heating body 100, and the side columns 180 are used to shield the gap on both sides of the wave crest 110 of the heating body 100, thereby ensuring safety during use. The temperature sensor 190 is arranged on the back side of one of the wave crests 110 of the heating body 100 and can quickly sense temperature changes, thereby ensuring the accuracy of temperature control.

[0045] Specifically, as shown in the drawings, Figure 5 the heating body 100 is in a square wave shape and is provided with a circular arc protrusion on the top of the wave crest 110. This design facilitates combination with the comb tooth sleeve 160 to form a suitable comb spacing, further increases the heating area, improves the heating efficiency, reduces the pulling and damage to the hair, and makes the straightening process smoother. Of course, the heating body 100 can also be in other wave shapes, such as a trapezoidal wave or a sinusoidal wave. Figure 4 As shown in the drawings, Figure 3 the comb tooth sleeve 160 is integrally provided with a plurality of sleeve holes 210 on the back surface for sleeving the heat-conducting metal shell 200. The integrally formed comb tooth sleeve 160 is simple in structure and convenient to install. The sleeve holes 210 are designed to make the connection between the comb tooth sleeve 160 and the heat-conducting metal shell 200 more stable, thereby ensuring the stability and safety during use.

[0046] As can be understood from the drawings, Figure 2 the heating body 100 is provided with three rows, and the number can be increased or decreased according to requirements (one row can be provided, or multiple rows can be provided). The heating body 100 can be connected in series or in parallel according to the size of the required power. The fixed support 140 is also provided with three rows of corresponding fixing holes 150, and the three rows of heating bodies 100 are arranged in parallel in the length direction of the fixed support 140. This design can heat more hair at the same time, thereby improving the straightening efficiency and being especially suitable for users with thick hair, thereby shortening the overall styling time. Figure 5As shown, the heating body 100 has a positive electrode joint 250 and a negative electrode joint 260, which are respectively arranged at both ends of the heating body 100. The separate design of the positive and negative electrode joints 260 simplifies the circuit connection, reduces the installation difficulty, reduces the risk of circuit short circuit, and improves the safety of the heating assembly.

[0047] It should be noted that, as Figure 1 and Figure 2 shown, the bottom surface of the fixed support 140 is provided with a bottom gland 220 for pressing the heating body 100. Specifically, the bottom gland 220 is connected with the fixed support 140 by bolts. The bottom gland 220 can effectively fix the heating body 100, prevent it from shifting or loosening during use, and ensure the stability and safety of the heating assembly. The middle part of the bottom gland 220 is provided with a through hole 230 for accommodating the temperature sensor 190 to pass through the back side of the wave crest 110 of the heating body 100, and the two sides of the middle part of the bottom gland 220 are provided with a second through hole 240 for accommodating the two ends of the heating body 100 to protrude. The design of the first through hole 230 makes the installation of the temperature sensor 190 more convenient, and the installation into the back side of the wave crest of the heating body 100 ensures the close fit of the temperature sensor 190 and the heating body 100, improves the accuracy and response speed of temperature detection, and the design of the second through hole 240 is beneficial to the connection of the heating body 100 with the lead wire, reduces the installation difficulty.

[0048] In some embodiments of the present application, the comb tooth sleeve 160 is integrally injection molded with the heating body 100 through common mold. This process simplifies the production process, reduces the cost, and at the same time ensures the close combination of the comb tooth sleeve 160 and the heating body 100, and improves the stability and durability of the overall structure.

[0049] It is worth mentioning that the heating body 100 is preferably made of titanium, magnesium, aluminum, iron, stainless steel or alloy metal, which has excellent thermal conductivity and high temperature resistance, can quickly and uniformly transfer heat, and improve heating efficiency. The heat-conducting insulating layer 130 is preferably made of a metal oxide coating generated by micro-arc oxidation, anodic oxidation, plasma spraying and other processes. The insulating layer formed by these processes has high insulation and good thermal conductivity, ensuring safety and heating effect. Thick film production process can also be used to sinter the insulating glass layer. The insulating layer formed by thick film process has high strength and high temperature resistance, and is suitable for long time high temperature use. The third process is to wrap it with iron fluoride insulating tape, mica, artificial mica and other high temperature resistant insulating materials. These materials have good insulation and high temperature resistance, which can effectively protect the heating body 100 and prolong the service life. The fixing bracket 140 and the bottom cover are preferably made of aluminum, stainless steel, galvanized sheet and other metals, which have high strength and corrosion resistance, can effectively fix the heating body 100 and ensure the stability and durability of the overall structure. The material of the comb tooth sleeve 160 is PA46, PA66, PPS, PEEK, PI, PTFE, LCPA, PAI and other high temperature resistant plastics, which can withstand high temperature environment, avoid deformation or damage due to long time heating, and ensure the durability and stability of the comb tooth sleeve 160. The heat-conducting metal shell 200 is preferably made of aluminum and is subjected to surface oxidation treatment, including anodic oxidation and micro-arc oxidation, plasma spraying and other treatments. These treatment methods can enhance the corrosion resistance and wear resistance of the metal shell, improve the heat conduction efficiency, and ensure uniform heat distribution. The temperature sensor 190 is preferably a negative temperature NTC as the temperature sensor 190. NTC has high sensitivity and fast response characteristics, which can accurately detect temperature changes and ensure the accuracy and safety of temperature control of the heating assembly.

[0050] In the description of the present application, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner without departing from the purpose of the present application.

[0051] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present application.

Claims

1. A high efficiency straightening comb structure heating assembly, characterized by, It includes: The heating body (100) is a wave-shaped flat shape with a wave crest (110) and a wave trough (120); The heat-conducting insulation layer (130) is covered on the surface of the heating body (100); The fixing support (140) is provided with a plurality of fixing holes (150) in sequence, and the fixing support (140) is fixed by sleeving the fixing holes (150) on the wave crest (110) to the wave trough (120) of the heating body (100); The comb tooth sleeve (160) includes a head (170) and side columns (180) located on both sides of the head (170), the head (170) is sleeved on the top of the wave crest (110) of the heating body (100), and the side columns (180) are used to shield the gap on both sides of the wave crest (110) of the heating body (100); The temperature sensor (190) is arranged on the back side of one of the wave crests (110) of the heating body (100).

2. A high efficiency straightening comb structure heating assembly according to claim 1, wherein, The heating body (100) is a square wave shape, and the top of the wave crest (110) of the square wave shape is provided with a circular arc protrusion.

3. A high efficiency straightening comb structure heating assembly according to claim 2, wherein, It also includes a heat-conducting metal shell (200), the heat-conducting metal shell (200) is sleeved on the wave crest (110) of the heating body (100), and the comb tooth sleeve (160) is sleeved on the heat-conducting metal shell (200).

4. A high efficiency straightening comb structure heating assembly according to claim 3, wherein, The comb tooth sleeve (160) is integrally provided with a plurality of sleeve holes (210) on the back surface for sleeving the heat-conducting metal shell (200).

5. A high efficiency straightening comb structure heating assembly according to claim 1, wherein, The heating body (100) is provided with a plurality of rows, the fixing support (140) is provided with a plurality of corresponding fixing holes (150), and a plurality of rows of the heating body (100) are arranged in parallel in the length direction of the fixing support (140).

6. A high efficiency straightening comb structure heating assembly according to claim 5, wherein, It also includes a bottom gland (220), the bottom gland (220) is arranged on the bottom surface of the fixing support (140) and is used for pressing the heating body (100).

7. A high efficiency straightening comb structure heating assembly according to claim 6, wherein, The middle part of the bottom gland (220) is provided with a first through hole (230), the first through hole (230) is used for accommodating the temperature sensor (190) to pass through and be mounted into the back side of the wave crest (110) of the heating body (100), and the middle part of the bottom gland (220) is provided with a second through hole (240) on both sides, the second through hole (240) is used for accommodating the heating body (100) to extend out from both ends.

8. A high efficiency straightening comb structure heating assembly according to claim 1, wherein, The heating body (100) has a positive electrode connector (250) and a negative electrode connector (260), the positive electrode connector (250) and the negative electrode connector (260) are arranged at both ends of the heating body (100) respectively.

9. A high efficiency straightening comb structure heating assembly according to claim 1, wherein, The material of the comb tooth sleeve (160) is high-temperature-resistant plastic.

10. A high efficiency straightening comb structure heating assembly according to claim 1, wherein, The comb tooth sleeve (160) is integrally injection molded with the heating body (100) through a common mold.