High-efficiency heating module used in hair dryers
The hair dryer heating module addresses assembly and heating uniformity issues by employing a multi-layer fin structure with honeycomb-shaped heat dissipating plates and fins, ensuring efficient heat dissipation and therapeutic benefits through far-infrared rays and negative ions.
Patent Information
- Application Number
- JP2024078235
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2023-09-20
- Filing Date
- 2024-05-13
- Publication Date
- 2026-01-14
- Estimated Expiration
- 2044-05-13
Smart Images

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Abstract
Description
[Technical Field]
[0001] The present invention relates to the technical field of hair dryers, and more particularly to a highly efficient heat generating module used in a hair dryer. [Background technology]
[0002] A hair dryer is a small personal care appliance that can quickly dry hair. It primarily has a guiding fluid passage with an outlet and a built-in heating module. Air flowing through the heating module is heated before being blown out of the outlet onto hair. Far-infrared rays have strong permeability and radiation capabilities, and exhibit significant temperature control and resonance effects, making them easily absorbed by objects and converted into their internal energy. When absorbed by the human body, far-infrared rays resonate with water molecules, activating their activity and strengthening the bonds between water molecules, thereby activating biopolymers such as proteins and raising living cells to their highest vibrational energy level. The resonance effect in living cells transmits the thermal energy generated by the far-infrared rays deep into the skin, raising the skin's core temperature and allowing the generated heat to dissipate from the inside to the outside. These powerful effects dilate capillaries, promote blood circulation, strengthen tissue metabolism, enhance tissue regeneration and the body's immune system, and regulate abnormal mental states, thereby providing therapeutic and health care benefits. If negative ions can be released during a haircut, they can neutralize static electricity, smooth out the scaly surface, repair and condition the hair, thereby providing hair care.
[0003] A ceramic heating element is positioned between the heating device and the air outlet of a hair dryer to generate negative ions and far-infrared waves from the air blown out of the hair dryer, providing therapeutic and cosmetic benefits to the hair. The ceramic heating element typically has an emissivity greater than 85% at room temperature (25°C to 150°C), has high light-to-thermal energy conversion efficiency, and is capable of generating negative ions. In response to this, the inventors proposed a new type of far-infrared hair dryer, as described in a Chinese invention patent with publication number CN116114988A. The heating mechanism (heat-generating module) is assembled by arranging an annular heat dissipation assembly, annular heating element, a far-infrared ceramic coating, and a fixing bracket. The annular heating element generates heat when electricity is applied, generating thermal energy, which is then transferred to the annular heat dissipation assembly. The outer surface of the annular heat dissipation assembly is coated with a far-infrared ceramic coating. The far-infrared ceramic coating, made by mixing far-infrared ceramic powder and a high-temperature-resistant adhesive, is applied to the annular heat dissipation assembly. When the heating element is turned on, the annular heat dissipation assembly dissipates thermal energy, allowing hair to be dried. By fully utilizing the thermal energy dissipation from the annular heat dissipation assembly, the temperature of the far-infrared ceramic coating can be set to a range of 25°C to 150°C, generating negative ions and far-infrared rays. Furthermore, a fixing bracket is provided, allowing the annular heat dissipation assembly to be wrapped around the annular chamber so that it floats in the air, maximizing the compactness of the overall structure, ensuring smooth airflow, reducing air resistance and noise, and providing users with a more compact and comfortable device.
[0004] In such a heating module, the heating module is limited to a single tubular structure primarily due to the guide element installed within the hair dryer. If the guide element is removed, the space vacated by the removal of the guide element must be filled with a heating module to achieve uniform heating. A common approach is to increase the number of tubular structures and fit multiple tubular structures of different diameters together to achieve uniform coverage. However, when multiple tubular structures of different diameters are fitted together, certain dimensional deviations may occur, making it difficult to fit two adjacent tubular structures together or resulting in wobbling after fitting. For example, in the graphene heating core and hair dryer described in the Chinese invention patent with publication number CN112890401, such a heating module primarily comprises multiple tubular structures fitted together. To ensure the heat conduction effect, the metal sheet, the outer heat dissipation device, the outer insulating layer, the graphene heating layer, the inner insulating layer, the substrate tube, and the inner heat dissipation device must be closely combined, which significantly increases the difficulty of assembly. In addition, both the outer heat dissipation device and the inner heat dissipation device are surrounded by multiple continuous U-shaped curved plates, making the heat dissipation device structure complex and difficult to process. Therefore, a new technical solution is needed to solve the above problems. Summary of the Invention [Problem to be solved by the invention]
[0005] The present invention aims to provide a technical means for solving the above-mentioned problems, in order to overcome the shortcomings of the above-mentioned situations. [Means for solving the problem]
[0006] A high-efficiency heat generating module for use in a hair dryer includes a housing, an insulating bracket provided within the housing, and a heat generating element fixedly attached to the insulating bracket, the heat generating element including a heat conducting portion and a heat generating portion, the heat conducting portion including a heat dissipating inner tube, at least one layer of honeycomb-shaped heat dissipating plate provided outside the heat dissipating inner tube so as to surround the heat dissipating inner tube, and an outer heat dissipating plate provided outside the outermost honeycomb-shaped heat dissipating plate so as to surround the outermost honeycomb-shaped heat dissipating plate, the heat generating portion including a first heat generating film provided so as to be sandwiched between the heat dissipating inner tube and the honeycomb-shaped heat dissipating plate, and a second heat generating film provided so as to be sandwiched between the outer heat dissipating plate and the honeycomb-shaped heat dissipating plate, First heat-dissipating fins are provided evenly on both the inside of the heat-dissipating inner cylinder and the outside of the outer heat-dissipating plate, and both joints of the outer heat-dissipating plate have locking edges, and the outer heat-dissipating plate is closed and locked by the two locking edges, restricting the honeycomb-shaped heat-dissipating plate between the outer heat-dissipating plate and the heat-dissipating inner cylinder; The honeycomb-shaped heat sink includes a first heat sink and a second heat sink arranged at a distance from each other, and second heat sink fins are evenly arranged between the first heat sink and the second heat sink. The joints of both the first heat sink and the second heat sink have joining edges, and the first heat sink and the second heat sink are abutted and joined to each other by the joining edges when closed.
[0007] Preferably, a honeycomb-shaped heat dissipation plate is provided between the heat dissipation inner tube and the outer heat dissipation plate, wherein a gap is formed between the first heat dissipation plate and the heat dissipation inner tube, a first heat-generating film is provided between the first heat dissipation plate and the heat dissipation inner tube, a gap is formed between the second heat dissipation plate and the outer heat dissipation plate, and a second heat-generating film is provided between the second heat dissipation plate and the outer heat dissipation plate.
[0008] Preferably, second heat dissipation fins are formed on both the first heat dissipation plate and the second heat dissipation plate, and the second heat dissipation fins of the first heat dissipation plate and the second heat dissipation plate are arranged alternately.
[0009] Preferably, the second heat sink fins located at the joints of both the first and second heat sinks form a joining edge.
[0010] Preferably, the first heat dissipation plate is provided with two adjacent second heat dissipation fins, and the two second heat dissipation fins form an arc-shaped enclosure structure that encloses the temperature sensor.
[0011] Preferably, the two locking edges are parallel to each other, have locking holes formed in them, and are connected to the screw members through the locking holes, and the outer heat sink is closed and locked by screwing the screw members with the two locking edges.
[0012] Preferably, the surfaces of the inner heat-radiating cylinder, the honeycomb-shaped heat-radiating plate and the outer heat-radiating plate are all provided with a far-infrared coating.
[0013] Preferably, both the first and second heat generating films are made of graphene material or heating wire material.
[0014] Preferably, the insulating bracket includes a fixed plate and two first support plates, and the fixed plate includes an insertion plate and two second support plates arranged at intervals on both sides of the insertion plate, a transition section is formed between the lower ends of the insertion plate and the second support plate, and the insertion plate and the second support plate are integrally connected by the transition section, the insertion plate is inserted into the heat dissipation inner tube, the first support plate and the second support plate are all abutting between the outer heat dissipation plate and the housing and are perpendicular to each other, and the insertion plate, the first support plate and the second support plate are all inserted through the gaps formed between two adjacent first heat dissipation fins.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: The heat-dissipating inner tube and outer heat-dissipating plate are combined to form an annular space between them that can accommodate at least one layer of honeycomb-shaped heat-dissipating plate. The honeycomb-shaped heat-dissipating plate is structured as two plates with a second heat-dissipating fin on one side. By arranging the two plates, i.e., the first heat-dissipating plate and the second heat-dissipating plate, in a surrounding manner, the second heat-dissipating fin is provided between the first and second heat-dissipating plates. Furthermore, by abutting and joining the first and second heat-dissipating plates to restrict each other in a closed state, a multi-layer fin heat-dissipating structure can be formed using the heat-conducting portion of the heat-generating element. This structure is primarily formed by assembling simple plates. The heat-dissipating inner tube, honeycomb-shaped heat-dissipating plate, and outer heat-dissipating plate can all be manufactured using an aluminum extrusion process, achieving the design goals of a small diameter, long length, and a large number of fins, and significantly increasing the surface area for effective heat dissipation.
[0016] By fully utilizing the combination of the honeycomb heat sink with the heat-dissipating inner tube and outer heat sink to sandwich the heat-generating part, the heat-generating part, which has a heat-generating film structure, is sandwiched between the honeycomb heat sink and the outer heat sink, and between the honeycomb heat sink and the heat-dissipating inner tube. When multiple honeycomb heat sinks are used, a heat-generating film may be placed between two adjacent honeycomb heat sink layers. The honeycomb heat sink utilizes a plate-like structure to ensure sufficient contact with the heat-generating film, achieving sufficient heat conduction and a multi-layer heat conduction design, ensuring uniform heat transfer for the fluid.
[0017] Additional aspects and advantages of the invention will be set forth in part in the description that follows, and in part will be obvious from the description, or may be learned by practice of the invention. [Brief explanation of the drawings]
[0018] In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, the following will briefly describe the accompanying drawings required for the description of the embodiments or the prior art. It is clear that the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these accompanying drawings without creative work. [Figure 1] 1 is a structural schematic diagram of the present invention. [Figure 2] FIG. 1 is a schematic planar structural view of the present invention. [Figure 3] FIG. 2 is an exploded structural schematic diagram of the present invention. [Figure 4] 1 is a structural schematic diagram of a honeycomb-shaped heat sink according to the present invention. [Figure 5] 2 is a structural schematic diagram of an outer heat sink according to the present invention. FIG. [Figure 6] 1 is a structural schematic diagram of an insulating bracket according to the present invention. [Figure 7] 3 is a structural schematic diagram of a heat dissipation fin according to the present invention; FIG. [Figure 8] FIG. 10 is a structural schematic diagram of another heat dissipation fin according to the present invention. DETAILED DESCRIPTION OF THE INVENTION
[0019] The following provides a clear and complete description of the technical solutions in the embodiments of the present invention. It is clear that the described embodiments are only some of the embodiments of the present invention, and are not all of the embodiments of the present invention. Based on the embodiments of the present invention, any other embodiments that a person skilled in the art can obtain without creative work fall within the scope of protection of the present invention.
[0020] 1 to 6, in an embodiment of the present invention, a high-efficiency heat generating module used in a hair dryer includes a housing 10, an insulating bracket 20 provided in the housing 10, and a heat generating element 30 fixedly attached to the insulating bracket 20, the heat generating element 30 including a heat conducting portion and a heat generating portion, the heat conducting portion including a heat dissipating inner cylinder 31, at least one layer of honeycomb-shaped heat dissipating plate 40 provided outside the heat dissipating inner cylinder 31 so as to surround the heat dissipating inner cylinder 31, and an outer heat dissipating plate 32 provided outside the outermost honeycomb-shaped heat dissipating plate 40 so as to surround the outermost honeycomb-shaped heat dissipating plate 40, the heat generating portion including a first heat generating film 33 provided so as to be sandwiched between the heat dissipating inner cylinder 31 and the honeycomb-shaped heat dissipating plate 40, and a second heat generating film 34 provided so as to be sandwiched between the outer heat dissipating plate 32 and the honeycomb-shaped heat dissipating plate 40, First heat-dissipating fins 35 are provided evenly on both the inside of the heat-dissipating inner cylinder 31 and the outside of the outer heat-dissipating plate 32, and both joints of the outer heat-dissipating plate 32 have locking edges 36. The outer heat-dissipating plate 32 is closed and locked by the two locking edges 36, restricting the honeycomb-shaped heat-dissipating plate 40 between the outer heat-dissipating plate 32 and the heat-dissipating inner cylinder 31. The honeycomb-shaped heat sink 40 includes a first heat sink 41 and a second heat sink 42 arranged at a distance from each other, and second heat sink fins 43 are evenly arranged between the first heat sink 41 and the second heat sink 42. The joints of both the first heat sink 41 and the second heat sink 42 have joining edges 44, and the first heat sink 41 and the second heat sink 42 abut and are joined to each other by the joining edges 44 when closed.
[0021] In the above technical proposal, the heat-dissipating inner tube 31 and the outer heat-dissipating plate 32 are structurally combined to form an annular space between them that can accommodate at least one layer of honeycomb-shaped heat-dissipating plate 40. The honeycomb-shaped heat-dissipating plate 40 is configured as two plates with a second heat-dissipating fin 43 on one side. By providing two plates, i.e., the first heat-dissipating plate 41 and the second heat-dissipating plate 42, in a surrounding manner, the second heat-dissipating fin 43 is provided between the first heat-dissipating plate 41 and the second heat-dissipating plate 42. Furthermore, the first heat-dissipating plate 41 and the second heat-dissipating plate 42 are abutted and joined together to restrict each other in a closed state, allowing a multi-layer fin heat-dissipating structure to be formed by the heat-conducting portion of the heating element 30. This structure is primarily constructed by assembling simple plates. The inner heat-dissipating cylinder 31, honeycomb heat-dissipating plate 40, and outer heat-dissipating plate 32 can all be manufactured using an aluminum extrusion process, achieving the design goals of a small diameter, long length, and a large number of fins, thereby significantly increasing the surface area and providing sufficient heat dissipation. Furthermore, the first and second heat-dissipating fins 35 and 36 are preferably designed to have an air-guiding structure. As shown in Figures 5, 7, and 8, the heat-dissipating fins may be strip-shaped or have multiple raised structures arranged in an array. The raised structures may also be arc-shaped structures that can generate a spiral effect, and can be configured according to actual conditions.
[0022] By fully utilizing the structural combination of the honeycomb-shaped heat sink 40 and the heat-dissipating inner cylinder 31 and outer heat sink 32 to sandwich the heat-generating part, the heat-generating part having a heat-generating film structure is sandwiched between the honeycomb-shaped heat sink 40 and the outer heat sink 32, and between the honeycomb-shaped heat sink 40 and the heat-dissipating inner cylinder 31. When multiple honeycomb-shaped heat sinks 40 are used, a heat-generating film may be placed between two adjacent layers of honeycomb-shaped heat sinks 40. The honeycomb-shaped heat sink 40 utilizes a plate-like structure to ensure sufficient contact with the heat-generating film, achieving sufficient heat conduction and a multi-layer heat conduction design, and ensuring that the fluid receives heat uniformly.
[0023] 2 and 4, taking the case where a honeycomb-shaped heat sink 40 is provided between a heat sink inner cylinder 31 and an outer heat sink 32 as an example, a gap is formed between the first heat sink 41 and the heat sink inner cylinder 31, a first heat-generating film 33 is provided between the first heat sink 41 and the heat sink inner cylinder 31, a gap is formed between the second heat sink 42 and the outer heat sink 32, and a second heat-generating film 34 is provided between the second heat sink 42 and the outer heat sink 32. In a combination based on the second heat sink fins 43, the first heat sink 41 and the second heat sink 42 each have a second heat sink fin 43 formed thereon, and the second heat sink fins 43 of the first heat sink 41 and the second heat sink 42 are alternately arranged. By restricting the first heat sink 41 and the second heat sink 42 from each other, relative movement is prevented. Furthermore, the structure of the second heat dissipation fins 43 is fully utilized, and the second heat dissipation fins located at the joints of both the first heat dissipation plate 41 and the second heat dissipation plate 42 form a joining edge 44. Two adjacent second heat dissipation fins 43 are provided on the first heat dissipation plate 41, and the two second heat dissipation fins 43 form an arc-shaped holding structure 45 that encloses the temperature sensor, making the overall structure compact without adding any additional fixing parts.
[0024] 2 and 5, the two locking edges 36 are parallel to each other, and have locking holes 37 formed therein. The two locking edges 36 are connected to screw members 38 through the locking holes 37, and the outer heat sink 32 is closed and locked by screwing the screw members 38 into the two locking edges 36. In design, the two locking edges 36 may be spaced apart, and the compactness of the structural combination of the heat sink inner cylinder 31, the outer heat sink 32, and the honeycomb-shaped heat sink 40 can be ensured by tightening the screw members 38.
[0025] A far-infrared coating (not shown) is applied to the surfaces of the inner heat-dissipating cylinder 31, the honeycomb-shaped heat-dissipating plate 40, and the outer heat-dissipating plate 32. This far-infrared coating generates far-infrared rays with high transparency and radiation capabilities. The far-infrared rays dilate capillaries, promote blood circulation, strengthen tissue metabolism, enhance tissue regeneration and the body's immune system, and regulate abnormal mental arousal, thereby providing therapeutic and health care benefits. If negative ions can be released during a haircut, they can neutralize static electricity, flatten the scaly surface, repair and style the hair, and provide hair care.
[0026] The first heating film 33 and the second heating film 34 are both made of graphene or heating wire material. Graphene generates heat through friction between carbon atoms. This frictional movement is an irregular movement known as Brownian motion. The method of generating heat using far-infrared rays, as with graphene, emits light with a wavelength of 8 to 15 micrometers, which is essential for the survival of living organisms. Like sunlight, this light resonates with the human body when it is exposed to it, and is absorbed and converted into light. Therefore, the far-infrared rays emitted during the heat generation process by graphene are light that can be used for physical therapy, which is beneficial to the human body. Therefore, in this embodiment, by suitably manufacturing the first heating film 33 and the second heating film 34 from graphene, a better haircut effect can be achieved.
[0027] Referring to Figure 6, the insulating bracket 20 includes a fixed plate and two first support plates 21. The fixed plate includes an insertion plate 22 and two second support plates 23 arranged at intervals on both sides of the insertion plate 22. A transition section 24 is formed between the lower ends of the insertion plate 22 and the second support plate 23. The insertion plate 22 and the second support plate 23 are integrally connected by the transition section 24. The insertion plate 22 is inserted into the heat dissipation inner tube 31. The first support plate 21 and the second support plate 23 abut between the outer heat dissipation plate 32 and the housing 10 and are perpendicular to each other. The insertion plate 22, the first support plate 21 and the second support plate 23 are all inserted through the gaps formed between two adjacent first heat dissipation fins 35. By arranging the insertion plate 22, the first support plate 21 and the second support plate 23, the entire heating element 30 is confined between the insertion plate 22 and the support plate, thereby ensuring the stability of the fixing of the heating element 30 and insulating and separating it from the housing 10.
[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the illustrative embodiments set forth above, and that the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as illustrative and not limiting, the scope of the present invention being limited not by the above description but by the appended claims, and all changes that come within the meaning and range of equivalency of the claims are intended to be embraced therein. [Explanation of symbols]
[0029] 10. Housing 20 Insulation bracket 21 1st support plate 22 Insertion plate 23 Second support plate 24 Transition section 24 30 Heating element 31 Heat dissipation inner cylinder 32 Outer heat sink 33 First heating film 34 Second heating film 35 First heat dissipation fin 36 Locking edge 37 Lock hole 38 Screw member 40 Honeycomb heat sink 41 1st heat sink 42 second heat sink, 43 Second heat dissipation fin 44 Joining edge 45 Wrapping structure
Claims
1. A high-efficiency heat generating module for use in a hair dryer, comprising: Housing and an insulating bracket provided within the housing; a heating element fixedly mounted to the insulating bracket; the heat generating element includes a heat conducting portion and a heat generating portion, the heat conduction part includes a heat dissipation inner cylinder, at least one layer of honeycomb-shaped heat dissipation plates provided outside the heat dissipation inner cylinder so as to surround the heat dissipation inner cylinder, and an outer heat dissipation plate provided outside the outermost honeycomb-shaped heat dissipation plate so as to surround the outermost honeycomb-shaped heat dissipation plate, the heat generating portion includes a cylindrical first heat generating film provided so as to be sandwiched between the heat dissipating inner cylinder and the honeycomb-shaped heat dissipating plate, and a cylindrical second heat generating film provided so as to be sandwiched between the outer heat dissipating plate and the honeycomb-shaped heat dissipating plate, First heat dissipation fins are provided evenly on both the inside of the heat dissipation inner cylinder and the outside of the outer heat dissipation plate, Both joints of the outer heat sink have locking edges; The outer heat sink is closed and locked by two locking edges, restricting the honeycomb heat sink between the outer heat sink and the heat sink inner cylinder; The honeycomb-shaped heat dissipation plate includes a first cylindrical heat dissipation plate and a second cylindrical heat dissipation plate that are spaced apart from each other, second heat dissipation fins are provided evenly arranged between the first heat dissipation plate and the second heat dissipation plate; The joints of both the first heat sink and the second heat sink each have a joining edge; the first heat sink and the second heat sink are abutted and coupled to each other by a coupling edge in a closed state; the first heat generating film is provided so that an outer peripheral wall thereof is in close contact with an inner peripheral wall of the first heat dissipation plate, the second heat generating film is provided such that an inner peripheral wall thereof is in close contact with an outer peripheral wall of the second heat dissipation plate; A highly efficient heat generating module for use in a hair dryer.
2. A honeycomb-shaped heat sink is provided between the heat sink inner cylinder and the outer heat sink, A gap is formed between the first heat dissipation plate and the heat dissipation inner cylinder, the first heat-generating film is provided between the first heat-dissipating plate and the heat-dissipating inner cylinder; A gap is formed between the second heat sink and the outer heat sink, The second heat generating film is provided between the second heat dissipation plate and the outer heat dissipation plate.
2. The high-efficiency heat generating module for use in a hair dryer according to claim 1.
3. a second heat dissipation fin is formed on both the first heat dissipation plate and the second heat dissipation plate; The second heat dissipation fins of the first heat dissipation plate and the second heat dissipation plate are arranged alternately.
3. The high-efficiency heat generating module for use in a hair dryer according to claim 2.
4. a second heat sink fin located at the joint of both the first heat sink and the second heat sink, forming a joining edge; 4. The high-efficiency heat generating module for use in a hair dryer according to claim 3.
5. The first heat dissipation plate is provided with two adjacent second heat dissipation fins, The two second heat dissipation fins are arc-shaped to form a support structure surrounding the temperature sensor; 3. The high-efficiency heat generating module for use in a hair dryer according to claim 2.
6. The two locking edges are parallel to each other; The two locking edges are formed with locking holes; The two locking edges are connected to the screw member by the locking holes; The outer heat sink is closed and locked by screwing the screw member into the two locking edges.
2. The high-efficiency heat generating module for use in a hair dryer according to claim 1.
7. The surfaces of the inner heat-dissipating cylinder, the honeycomb-shaped heat-dissipating plate, and the outer heat-dissipating plate are all provided with a far-infrared coating.
2. The high-efficiency heat generating module for use in a hair dryer according to claim 1.
8. The first heating film and the second heating film are both made of a graphene material or a heating wire material.
2. The high-efficiency heat generating module for use in a hair dryer according to claim 1.
9. The insulating bracket includes a fixing plate and two first support plates; The fixed plate includes an insertion plate and two second support plates spaced apart from each other on both sides of the insertion plate; a transition portion is formed between the insert plate and the lower end of the second support plate; the insertion plate and the second support plate are integrally connected by the transition portion; The insertion plate is inserted into the heat dissipation inner cylinder, the first support plate and the second support plate are both in contact with each other between the outer heat sink and the housing, and are perpendicular to each other; The insertion plate, the first support plate, and the second support plate are all inserted into the gaps formed between two adjacent first heat dissipation fins.
2. The high-efficiency heat generating module for use in a hair dryer according to claim 1.
Citation Information
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