WO2021227961A1 - Dispositif de séchage - Google Patents

Dispositif de séchage Download PDF

Info

Publication number
WO2021227961A1
WO2021227961A1 PCT/CN2021/092188 CN2021092188W WO2021227961A1 WO 2021227961 A1 WO2021227961 A1 WO 2021227961A1 CN 2021092188 W CN2021092188 W CN 2021092188W WO 2021227961 A1 WO2021227961 A1 WO 2021227961A1
Authority
WO
WIPO (PCT)
Prior art keywords
drying device
air duct
radiation source
radiation
wall
Prior art date
Application number
PCT/CN2021/092188
Other languages
English (en)
Chinese (zh)
Inventor
王铭钰
唐尹
徐兴旺
张蕾
Original Assignee
深圳汝原科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳汝原科技有限公司 filed Critical 深圳汝原科技有限公司
Priority to CN202210233999.9A priority Critical patent/CN114788608A/zh
Priority to CN202210233793.6A priority patent/CN114794698A/zh
Priority to CN202180002540.1A priority patent/CN113597267B/zh
Priority to CN202210234281.1A priority patent/CN114794699A/zh
Priority to CN202111341594.9A priority patent/CN115120020A/zh
Publication of WO2021227961A1 publication Critical patent/WO2021227961A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/20—Additional enhancing means
    • A45D2200/205—Radiation, e.g. UV, infrared

Definitions

  • This application relates to the field of drying technology, in particular to a drying equipment.
  • the main components of a traditional hair dryer are a motor, a heating wire (such as a resistance wire), and an air duct. After the electric heating wire is energized, it generates heat and heats the air sucked in by the motor in the air duct, and then the air is blown out by the motor to the user's hair.
  • the temperature of the air blown to the surface of the hair is very high, and it is easy to bake the hair, and long-term use can cause damage to the hair quality.
  • the embodiment of the present application provides a drying device.
  • a housing in which an air duct is provided
  • a motor located in the housing and used to generate airflow in the air duct;
  • a radiation source is housed in the housing and used to generate infrared radiation and guide the infrared radiation to the outside of the housing, and the radiation source includes:
  • the first part is located outside the air duct
  • the second part is connected to the first part and exchanges heat with the air duct.
  • infrared radiation is used as a source of heat energy to remove water and moisture from objects (such as hair).
  • the radiation source can emit infrared energy to provide stable and consistent heat, which improves heat transfer efficiency and reduces damage to objects.
  • the air duct can also dissipate the second part of the radiation source, and the radiation source will not be too high to affect the radiation efficiency.
  • the first part is located outside the air duct, allowing the radiation source to maintain At the right working temperature.
  • FIG. 1 is a schematic diagram of the structure of a drying device according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a part of the structure of a drying device according to an embodiment of the present application
  • 3A-3D are schematic diagrams of the relationship between the radiation source and the air duct of the drying device of the embodiment of the present application.
  • FIG. 4 is a schematic diagram of another part of the structure of the drying equipment according to the embodiment of the present application.
  • 5A-5D are schematic diagrams of another relationship between the radiation source and the air duct of the drying device in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of another part of the structure of the drying equipment according to the embodiment of the present application.
  • FIGS. 7A-7D are schematic diagrams of another relationship between the radiation source and the air duct of the drying device according to the embodiment of the present application.
  • FIG. 8 is a schematic diagram of another part of the structure of the drying equipment according to the embodiment of the present application.
  • 9A-9D are schematic diagrams of another relationship between the radiation source and the air duct of the drying device according to the embodiment of the present application.
  • FIG. 10 is a schematic diagram of another part of the structure of the drying equipment according to the embodiment of the present application.
  • 11A-11D is another schematic diagram of the relationship between the radiation source and the air duct of the drying device according to the embodiment of the present application;
  • FIG. 12 is a schematic diagram of another part of the structure of the drying equipment according to the embodiment of the present application.
  • 13A-13B are schematic diagrams of another relationship between the radiation source and the air duct of the drying device according to the embodiment of the present application;
  • FIG. 14 is a schematic diagram of another part of the structure of the drying equipment according to the embodiment of the present application.
  • FIG. 15 is a schematic perspective view of a part of the structure of a drying device according to an embodiment of the present application.
  • FIG. 16 is a three-dimensional schematic diagram of the radiation source of the drying device according to the embodiment of the present application.
  • 17A-17B are schematic diagrams of the relationship between the radiation source and the optical element according to the embodiment of the present application.
  • connection should be understood in a broad sense, unless otherwise clearly specified and limited.
  • it can be a fixed connection or a detachable connection.
  • It can be a mechanical connection or an electrical connection.
  • It can be directly connected, or indirectly connected through an intermediate medium, and it can be a communication between two elements or an interaction relationship between two elements.
  • the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.
  • the "on" or “under” of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them.
  • the "above”, “above” and “above” of the first feature on the second feature include the first feature directly above and obliquely above the second feature, or it simply means that the first feature is higher in level than the second feature.
  • the “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • the embodiment of the present application provides a drying device.
  • the drying device of the present application can remove water and moisture from objects (for example, hair, fabric) by using infrared (IR) radiation sources as thermal energy sources.
  • IR infrared
  • the infrared radiation source can emit infrared energy with a preset wavelength range and power density to heat the object.
  • the heat carried by infrared energy is directly transferred to the object in the form of radiant heat transfer, so that compared with the traditional convection heat transfer method, the heat transfer efficiency is improved (for example, basically no heat is transferred by the surrounding air in the form of radiant heat transfer).
  • Absorption while a large part of the heat in the traditional heat conduction method is absorbed by the surrounding air and then taken away).
  • the infrared radiation source can be used in combination with a motor, and the air flow generated by the motor further accelerates the evaporation of water from the object.
  • infrared radiation as a thermal energy source is that infrared heat can penetrate the hair shaft to the outer layer of the hair, so the hair dries faster, and it makes the hair loose and soft. Infrared energy is also believed to be beneficial to scalp health and stimulate hair growth by increasing blood flow to the scalp.
  • the use of infrared radiation sources can also make the drying equipment compact and light.
  • the improved heat transfer efficiency and energy efficiency of infrared radiation sources can also extend the operating time of wireless drying equipment powered by embedded batteries.
  • a drying device 100 may include a housing 10, a motor 20 and a radiation source 30.
  • An air duct 40 is provided in the housing 10.
  • the housing 10 can accommodate various electrical, mechanical, and electromechanical components, such as a motor 20, a radiation source 30, a control board (not shown), a power adapter (not shown), and the like.
  • the housing 10 may include a body 102 and a handle 104, and each of the body 102 and the handle 104 may house at least a part of electrical, mechanical, and electromechanical components therein.
  • the body 102 and the handle 104 may be integrally connected.
  • the body 102 and the handle 104 may be separate components.
  • the handle 104 can be detached from the body 102.
  • the detachable handle 104 may contain a power source (such as one or more batteries) for powering the drying device 100 therein.
  • the housing 10 may be made of an electrically insulating material.
  • Examples of electrical insulating materials may include polyvinyl chloride (PVC), polyethylene terephthalate (PET), acrylonitrile-butadiene-styrene copolymer (ABS), polyester, polyolefin, polystyrene Ethylene, polyurethane, thermoplastics, silicone, glass, fiberglass, resin, rubber, ceramics, nylon and wood.
  • the housing 10 may also be made of a metal material coated with an electrically insulating material, or a combination of an electrically insulating material and a metal material coated or not coated with an electrically insulating material.
  • an electrically insulating material may constitute the inner layer of the casing 10
  • a metal material may constitute the outer layer of the casing 10.
  • the handle 104 is also provided with an input component 106, which can be used for the user to operate the drying device, such as switching the drying device, adjusting the motor speed, and the power of the radiation source.
  • the input component 106 may include at least one of a physical button, a virtual button, and a touch screen.
  • the drying device can also omit the input component, and the drying device can be controlled through a terminal communicating with the drying device.
  • the terminal can include, but is not limited to, a mobile phone, a tablet computer, a wearable smart device, a personal computer, and the like.
  • the housing 10 may be provided with one or more air ducts 40 inside, and the air ducts 40 may be fixed in the housing 10 so that the airflow generated by the motor 20 can flow stably and avoid unexpected airflow disturbances.
  • the air flow generated by the motor 20 can be guided or adjusted through the air duct and toward the user's hair.
  • the air duct 40 may be shaped to at least adjust the speed, throughput, divergence angle, or vortex intensity of the airflow leaving the drying device 100.
  • the air duct 40 may include an air flow inlet 402 and an air flow outlet 404.
  • the airflow inlet 402 and the airflow outlet 404 may be placed at opposite ends of the drying device 100 along the longitudinal direction of the drying device 100 (such as the length direction of the body 102).
  • the airflow inlet 402 and the airflow outlet 404 may each be a vent that allows effective airflow throughput.
  • the ambient air may be drawn into the air duct 40 through the air flow inlet 402 to generate air flow, and the generated air flow may leave the air duct 40 through the air flow outlet 404.
  • the motor 20 can be located in the air duct 40 of the main body 102 or in the air duct 40 of the handle 104, which is not limited here.
  • the air inlet 402 can also be provided in the handle 104 or the handle 104 and the body 102.
  • the cross-sectional shape of the air flow outlet 404 can be any shape, preferably a circle, an ellipse, a rectangle (rectangle), a square, or various variations of a circle and a quadrilateral, such as a quadrilateral with rounded corners. There is no specific limitation here.
  • an air duct 40 is provided in the main body 102, and the air duct 40 is substantially cylindrical. It can be understood that in other embodiments, the air duct 40 may also have other shapes, such as a funnel shape, a Y shape, and other regular or irregular shapes, which are not specifically limited herein.
  • one or more air filters may be provided at the air inlet 402 to prevent dust or hair from entering the air duct 40.
  • the air filter may be a mesh with an appropriate mesh size.
  • the air filter can be detachable or replaceable for cleaning and maintenance.
  • an airflow regulator (not shown) may be provided at the airflow outlet 404.
  • the airflow regulator can be a detachable nozzle, comb or crimper.
  • the airflow regulator may be configured to adjust the speed, throughput, divergence angle, or vortex intensity of the airflow blown from the airflow outlet 404.
  • the airflow regulator may be shaped to converge (eg concentrate) the airflow at a predetermined distance from the front of the airflow outlet 404.
  • the airflow regulator may be shaped to diverge the airflow leaving the airflow outlet 404.
  • the housing 10 is provided with a radiation source 30 for generating infrared radiation, there may be no additional heating equipment in the housing 10.
  • the radiation power of the radiation source 30 can be adjusted to To achieve the desired drying effect, on the other hand, the miniaturization of the drying device 100 can be achieved without additional heating equipment, thereby improving the portability of the drying device 100. Without additional heating equipment, the energy consumption of the drying device 100 can be lower. In this way, the battery life of the drying device 100 can be increased.
  • the heating device includes an electric heating wire (such as a resistance wire).
  • the motor 20 is located in the housing 10 and is used to generate air flow in the air duct 40.
  • the motor 20 may be arranged in the air duct 40 of the body 102 and close to the air inlet 402.
  • the motor 20 may include a driving part 202 and an impeller 204.
  • the impeller 204 may include a plurality of fan blades. When the impeller 204 is driven by the driving part 202, the rotation of the impeller 204 can send ambient air into the air duct 40 through the air inlet 402 to generate air flow, push the generated air flow through the air duct 40 and discharge the air flow from the air outlet 404.
  • the driving part 202 may be supported by a bracket or housed in a shield.
  • the motor 20 may include a brushless motor 20, and the rotation speed of the impeller 204 may be adjusted under the control of a controller (not shown).
  • the rotation speed of the impeller 204 can be controlled through a preset program, user input, or sensor data.
  • the size of the driving portion 202 measured in any direction may all be in the range between 14 mm (millimeters) and 21 mm.
  • the power output of the motor 20 may be in the range of 35 to 80 watts (W).
  • the maximum velocity of the airflow exiting from the airflow outlet 404 may be at least 8 meters per second (m/s).
  • FIG. 1 and FIG. 2 show that the motor 20 is provided in the body 102. It is understood that in other embodiments, the motor 20 may also be provided in the handle 104.
  • the rotation of the impeller 204 can draw air into the air flow inlet 402 provided at the handle 104 and push the air through the air duct 40 to the air flow outlet 404 provided at one end of the body 102.
  • the air duct 40 may correspondingly extend through the handle 104 and the body 102 of the housing 10.
  • the passing frequency of the fan blades of the motor 20 is close to the frequency range of ultrasonic waves.
  • the fan blade passing frequency can be expressed as the product of the motor speed and the number of fan blades of the motor 20.
  • the passing frequency of the fan blades of the motor 20 is close to the ultrasonic frequency range. It can be understood that the passing frequency of the fan blades is within the frequency range of the ultrasonic wave, or the passing frequency of the fan blade is the upper or lower limit of the frequency range of the ultrasonic wave, or the passing frequency of the fan blade and the frequency range of the ultrasonic wave.
  • the difference between the upper limit or the lower limit of the frequency range of the ultrasonic wave is smaller than the preset value.
  • the unit of rotation speed of the motor 20 is rps (revolutions per second), and the passing frequency of the fan blades is greater than or equal to 15KHz.
  • the above-mentioned drying device 100 enables the motor 20 to provide proper wind power for proper heat dissipation of the radiation source.
  • the number of blades of the motor 20 is a prime number of 5 or more.
  • a part of the radiation source 30 is located outside the air duct 40, and the other part can exchange heat with the air duct 40.
  • the radiation source 30 may include a reflector 302, and a part of the outer wall of the reflector 302 (such as the windward side) is located Outside the air duct 40, this part is not blown by the air flow of the air duct 40, and the heat exchange between this part and the air duct 40 is small.
  • it can properly dissipate the radiation source 30, and on the other hand, it can also Keeping the radiation source 30 at a proper working temperature when working can improve the evaporation efficiency of the water on the object.
  • the rotation speed of the motor 20 is greater than or equal to 50,000 rpm (revolutions per minute). In other words, the motor speed is at least 50,000 revolutions per minute. In this way, by using the high-speed motor 20 (the rotation speed of the motor 20 is greater than or equal to 50,000 rpm), while generating sufficient air volume, the radiation source 30 can also be properly dissipated.
  • the radiation source is usually placed directly in the air duct as a whole, for example, the entire outer wall of the reflector cup of the radiation source ( That is, the entire windward side) is directly blown by the airflow of the air duct to take away the heat of the radiation source.
  • the disadvantages of this kind of drying equipment are 1) the length of the body along the axial direction of the air duct (such as the horizontal direction) is longer (large size), because a) the reflector of the radiation source is generally parabolic and relatively long; b) ionizing radiation The temperature near the air outlet is extremely high, and isolation devices need to be installed to prevent burns and accidents. 2)
  • the shape of the radiation source in the air duct 40 (such as the shape of the outer wall of the reflector) will affect the airflow, such as wind resistance, wind noise, change of the direction of the airflow, etc., and ultimately loss of wind energy.
  • the object will radiate in the infrared to visible wavelength range in the form of heat transfer.
  • This heat transfer is called black body radiation.
  • Blackbody radiation is broadband radiation.
  • the center wavelength and spectral bandwidth decrease with increasing temperature.
  • the total energy is proportional to S ⁇ T 4 , where S is the surface area and T is the temperature.
  • This heat dissipation area is smaller than the heat dissipation area where the entire radiation source 30 is placed in the air duct 40 in the prior art. Therefore, a part of the radiation source 30 in the embodiment of the present application may be located outside the air duct 40 without being directly blown by the air flow of the air duct 40 , It can also make it possible to keep the radiation source 30 at a suitable working temperature even when a single high-power radiation source 30 is used.
  • the radiation source 30 can be structurally
  • the offset along the radial direction (such as the vertical direction) of the air duct 40 can reduce the length of the body 102, and the shape of the radiation source 30 also reduces the adverse effect of the airflow.
  • the motor 20 is fixed in the housing 10 by a shock absorber (not shown). In this way, it is possible to reduce or prevent the vibration generated by the motor 20 from being transmitted to the housing 10, thereby avoiding trouble to the user in use.
  • the shock absorption device may include an elastic member, and the vibration generated during the operation of the motor 20 can be absorbed by the elastic member to reduce the transmission of vibration.
  • the damping device is fixedly connected to the radiation source 30.
  • the transmission path of the vibration generated by the motor 20 is increased, and the vibration generated by the motor 20 and transmitted to the housing 10 is further reduced.
  • the shock absorption device is fixedly connected to the radiation source 30, and the radiation source 30 can be fixed in the housing 10, so that the formed vibration transmission path is further: motor 20 -> shock absorption device -> radiation source 30 -> housing 10.
  • the shock absorbing device includes a sleeve formed of an elastic material, and the sleeve includes a clamping portion flexibly coupled with at least one of the housing 10, the air duct 40 and the radiation source 30 extending around the sleeve. In this way, through the flexible coupling clip part, the vibration transmission is reduced.
  • the sleeve may be sleeved outside the driving part 202 of the motor 20, the clamping part may be arranged on the outer surface of the sleeve, and the clamping part may be formed into multiple (two or more) along the sleeve The circumferential direction is evenly spaced to reduce vibration transmission evenly.
  • the clamping portion can also be formed as a single clamping portion, and the single clamping portion is annularly arranged on the outer surface of the sleeve.
  • the sleeve includes a clamping portion flexibly coupled with at least one of the housing 10, the air duct 40, and the radiation source 30 extending around the sleeve.
  • the clamping portion may be that the sleeve includes a clamping portion that extends around the sleeve and is flexibly coupled to the air duct 40. It may be that the sleeve includes a clamping portion that extends around the sleeve and is flexibly coupled to the radiation source 30.
  • the sleeve includes a clamping portion extending around the sleeve that is flexibly coupled with the housing 10 and the air duct 40, so the sleeve includes a clamping portion extending around the sleeve that is flexibly coupled with the air duct 40 and the radiation source 30 It may be that the sleeve includes a clamping portion flexibly coupled with the housing 10 and the radiation source 30 extending around the sleeve, or it may be that the sleeve includes the housing 10, the air duct 40 and the radiation source extending around the sleeve. 30 Flexible coupling card connection part.
  • the clamping portion is a protrusion formed of a rubber material.
  • the bumps are easy to connect, and the bumps formed by the rubber material are also easy to shape, and the shock absorption effect is better.
  • the radiation source 30 is housed in the housing 10 and used to generate infrared radiation and guide the infrared radiation to the outside of the housing 10.
  • the radiation source 30 may include a first part and a second part, wherein the first part is located outside the air duct 40 and the second part is connected to the first part and exchanges heat with the air duct 40.
  • the number of radiation sources 30 may be single or multiple (two or more than two). When the number of the radiation source 30 is plural, the radiation source 30 is configured such that the radiation from the radiation source 30 forms a light spot at a certain distance outside the side of the opening of the radiation source 30. In this way, the infrared radiation intensity in the spot area is relatively high, and the object can be effectively dried. It can be understood that the single radiation source 30 may also be configured to make the radiation from the radiation source 30 form a light spot at a certain distance outside the side of the opening of the radiation source 30.
  • the multiple radiation sources 30 form a light spot at a certain distance from the outside of the drying device 100.
  • the light spot may be a circular light spot, and the diameter of the circular light spot may be 10 cm. In an example, the certain distance may be 10 cm.
  • the second part is located downstream of the motor 20 in the direction of air flow. In this way, the heat exchange effect between the second part and the air duct 40 can be improved.
  • the radiation source 30 is located on the left side of the drying device 100 as a whole, and the motor 20 is located on the right side of the drying device 100.
  • the motor 20 works, air is drawn from the outside environment on the right side of the drying device 100. And a faster airflow is output from the left side of the motor 20, and the airflow flows to the radiation source 30.
  • the faster airflow can improve the heat exchange efficiency between the second part and the air duct 40.
  • the radiation source 30 is located between the air duct 40 and the housing 10. In this way, a configuration of the drying device 100 can be realized, as shown in FIG. 1.
  • the radiation source 30 and the motor 20 is turned on, including the radiation source 30 is turned on and the motor 20 is turned off, the radiation source 30 is turned off and the motor 20 is turned on, and the radiation source 30 is turned on and the motor 20 is turned on.
  • the radiation source 30 may be fixed in the housing 10, that is, the radiation source 30 is located between the air duct 40 and the housing 10 no matter when the drying device 100 is in operation or when it is not in operation.
  • the radiation source 30 is movably disposed in the housing 10, for example, by adding a movable structure to adjust the position of the radiation source 30, so that the drying device 100 drives the radiation source 30 to the air duct 40 when the drying device 100 is working.
  • the radiation source 30 is moved to other positions, for example, to the air duct 40 or other positions in the housing 10 that are convenient for storage.
  • the structure may be moved to adjust the position of the air duct 40, or the structure may be moved to adjust the positions of the air duct 40 and the radiation source 30. There is no specific limitation here.
  • all radiation sources 30 are located outside the air duct 40.
  • the number of radiation sources 30 may include multiple, and all the radiation sources 30 are located outside the air duct 40, so that the air flow resistance generated by the air duct 40 during operation is small, which helps to reduce wind noise and wind resistance.
  • the drying device 100 is used for drying hair, since the drying device 100 is close to the ear during the hair blowing process, the low noise can improve the user experience.
  • the radiation source 30 may be arranged in the circumferential direction of the air duct 40 close to the air flow outlet 404 of the air duct 40.
  • the temperature of the wind rises by a few degrees (1 to 5 degrees), although it is not enough to cause the object to be dried (such as dry hair).
  • the infrared radiation emitted by the radiation source 30 is basically not blocked by the air duct 40, which is beneficial to improve the drying efficiency.
  • the radiation source 30 is arranged around the air flow outlet 404 of the air duct 40.
  • the shape of the radiation source 30 along a plane perpendicular to the axial direction of the air duct 40 is circular or approximately circular.
  • the number of radiation sources 30 is two, and the two radiation sources 30 are arranged at an interval of 180 degrees around the airflow outlet 404 of the air duct 40.
  • the number of radiation sources 30 is three, and the three radiation sources 30 are arranged around the airflow outlets 404 of the air duct 40 at intervals of 120 degrees.
  • FIG. 3A the number of radiation sources 30 is two, and the two radiation sources 30 are arranged at an interval of 180 degrees around the airflow outlet 404 of the air duct 40.
  • the number of radiation sources 30 is three, and the three radiation sources 30 are arranged around the airflow outlets 404 of the air duct 40 at intervals of 120 degrees.
  • the number of radiation sources 30 is four, and the four radiation sources 30 are arranged around the airflow outlets 404 of the air duct 40 at intervals of 90 degrees.
  • the number of radiation sources 30 is five, and the five radiation sources 30 are arranged around the airflow outlets 404 of the air duct 40 at an interval of 72 degrees. It can be understood that the number of radiation sources 30 can also be more than five, and they are arranged around the airflow outlets 404 of the air duct 40 at even intervals along the circumference of the air duct 40.
  • the angle of the interval between two adjacent radiation sources 30 may be different. There is no specific limitation here. In the examples of FIGS.
  • the shape of the radiation source 30 along a plane perpendicular to the axial direction of the air duct 40 is a circular ring or a sector.
  • the number of the radiation source 30 is single, and the single radiation source 30 has a circular ring shape and is arranged 360 degrees around the airflow outlet 404 of the air duct 40 in the circumferential direction of the air duct 40.
  • the number of radiation sources 30 is two, and each radiation source 30 is basically a fan shape of 180 degrees, and each radiation source 30 is approximately 180 degrees around the airflow outlet 404 of the air duct 40 in the circumferential direction of the air duct 40.
  • the two radiation sources 30 are arranged in a substantially circular ring shape.
  • the number of radiation sources 30 is three, and each radiation source 30 is basically a fan shape of 120 degrees, and each radiation source 30 is approximately 120 degrees in the circumferential direction of the air duct 40 and surrounds the air flow outlet 404 of the air duct 40.
  • the three radiation sources 30 are arranged in a substantially circular ring shape.
  • the number of radiation sources 30 is four, and each radiation source 30 is basically a 90-degree fan shape, and each radiation source 30 is approximately 90 degrees in the circumferential direction of the air duct 40 and surrounds the airflow outlet 404 of the air duct 40.
  • the four radiation sources 30 are arranged in a substantially circular ring shape. It can be understood that the number of radiation sources 30 may also be more than four, and they are arranged around the airflow outlets 404 of the air duct 40 at even intervals along the circumference of the air duct 40. In addition, in other embodiments, among the multiple radiation sources 30, the fan-shaped arc of each radiation source 30 may be different. There is no specific limitation here.
  • the radiation source 30 is arranged on one side of the air flow outlet 404 of the air duct 40.
  • the shape of the radiation source 30 along a plane perpendicular to the axial direction of the air duct 40 is circular or approximately circular.
  • the number of the radiation source 30 is single, and the single radiation source 30 is arranged on the lower half of the air flow outlet 404 of the air duct 40.
  • the number of radiation sources 30 is two, and the two radiation sources 30 are arranged on the lower half of the airflow outlet 404 of the air duct 40.
  • FIG. 7A the number of the radiation source 30 is single, and the single radiation source 30 is arranged on the lower half of the air flow outlet 404 of the air duct 40.
  • the number of radiation sources 30 is two, and the two radiation sources 30 are arranged on the lower half of the airflow outlet 404 of the air duct 40.
  • the number of radiation sources 30 is three, and the three radiation sources 30 are arranged on the lower half of the airflow outlet 404 of the air duct 40.
  • the number of radiation sources 30 is four, and the four radiation sources 30 are arranged on the lower half of the air flow outlet 404 of the air duct 40.
  • the number of radiation sources 30 can also be more than five, which are arranged on the lower half of the airflow outlet 404 of the air duct 40.
  • the radiation source 30 can also be arranged on the upper half, the left half, the right half, the upper left half, the lower left half, the upper right half, and the lower right half, which are not specifically limited here.
  • the shape of the radiation source 30 along a plane perpendicular to the axial direction of the air duct 40 may be circular or fan-shaped.
  • any combination of the circular radiation source 30, the circular radiation source 30, and the fan-shaped radiation source 30 may be dispersedly arranged on the side of the airflow outlet 404 of the air duct 40, or around the air duct.
  • the airflow outlet 404 of 40 is arranged.
  • the second part and the air duct 40 are integrally formed and connected. In this way, the heat exchange efficiency between the second part and the air duct 40 can be made high.
  • the radiation source 30 may include a reflector cup 302, the second part may be a part of the outer wall of the reflector cup 302 or a part of the base 310 of the reflector cup 302, and the reflector cup 302 may be integrally connected with the air duct 40.
  • the injection molding process can be used to realize the integral forming connection, and the welding process can also be adopted to realize the integral forming connection.
  • the outer wall of the reflector cup 302 and the air duct 40 form a joint at the air outlet 404. At the joint, the inhaled wind exchanges heat with the reflector cup 302. The temperature of the wind will increase by about 1 to 5 degrees and then blow out, although it is not enough. It has a decisive influence on the dried object (such as dry hair), but it improves the body feeling of the person after the wind blows on the human body, so that people will not feel being blown by the cold wind, which improves the user experience.
  • the radiation source 30 is surrounded by the air duct 40. In this way, another configuration of the drying device 100 can be realized, as shown in FIG. 8.
  • the radiation source 30 can be placed in the air duct 40, and the first part of the radiation source 30 can be shielded by the shielding member, so that the first part will not be blown by the airflow in the air duct 40.
  • the first part can include reflective light.
  • a part of the outer wall of the cup 302 can be shielded so that the part will not be blown by the airflow in the air duct 40.
  • a part of the outer wall of the reflector cup 302 that is not blocked can be used as the second part, and the airflow in the air duct 40 can be blown to the second part, so that the second part and the air duct 40 can exchange heat.
  • the shape of the radiation source 30 along a plane perpendicular to the axial direction of the air duct 40 is circular or approximately circular.
  • the number of the radiation source 30 is single, and the single radiation source 30 is arranged in the air duct 40.
  • the number of radiation sources 30 is two, and the two radiation sources 30 are arranged in the air duct 40 radially along the air duct 40.
  • the number of radiation sources 30 is three, and the three radiation sources 30 are scattered in the air duct 40 in a triangular shape.
  • FIG. 9A the number of the radiation source 30 is single, and the single radiation source 30 is arranged in the air duct 40.
  • the number of radiation sources 30 is two, and the two radiation sources 30 are arranged in the air duct 40 radially along the air duct 40.
  • the number of radiation sources 30 is three, and the three radiation sources 30 are scattered in the air duct 40 in a triangular shape.
  • FIG. 9A the number of the radiation source 30 is single, and the single radiation source 30 is
  • the number of radiation sources 30 is four, and the four radiation sources 30 are scattered and arranged in the air duct 40 in a square shape. It can be understood that the number of radiation sources 30 can also be more than four, which are scattered in the air duct 40. There is no specific limitation here.
  • the shape of the radiation source 30 along a plane perpendicular to the axial direction of the air duct 40 is a circular ring or a sector.
  • the number of radiation sources 30 is two, and each radiation source 30 has a circular ring shape, and the two radiation sources 30 are arranged concentrically in the air duct 40, thereby forming a two-layer ring-shaped radiation source 30 .
  • the number of radiation sources 30 is two, each radiation source 30 is substantially in a 180-degree fan shape, and the two radiation sources 30 are arranged in a substantially circular ring shape.
  • the number of radiation sources 30 is three, each radiation source 30 is substantially in a 120-degree sector shape, and the three radiation sources 30 are arranged in a substantially circular ring shape.
  • the number of radiation sources 30 is four, each radiation source 30 is substantially in a 90-degree sector, and the four radiation sources 30 are arranged in a substantially circular ring shape. It can be understood that the number of radiation sources 30 may also be single or more than four, which are scattered in the air duct 40. In addition, in other embodiments, among the multiple radiation sources 30, the fan-shaped arc of each radiation source 30 may be different. There is no specific limitation here.
  • any combination of the circular radiation source 30, the circular radiation source 30, and the fan-shaped radiation source 30 may be dispersedly arranged in the air duct 40.
  • the number of radiation sources 30 is multiple, and the multiple radiation sources 30 are dispersedly arranged in the air duct 40.
  • the multiple radiation sources 30 dispersedly arranged in the air duct 40 can prevent the occurrence of local overheating of the radiation source 30 or the air duct 40 due to excessive heat concentration.
  • one air duct 40 is provided with an air flow outlet 404, and the plurality of radiation sources 30 that are dispersedly arranged may be placed in the air flow outlet 404 of the air duct 40 in a star shape.
  • the air duct 40 is provided with a plurality of airflow outlets 404, and the radiation source 30 is arranged between adjacent airflow outlets 404, as shown in FIG. 13B.
  • one air duct 40 may be provided with a plurality of airflow outlets 404, and the plurality of radiation sources 30 dispersedly arranged may be placed in the air duct 40 in a star shape. It may also be that there are multiple air ducts 40, and each air duct 40 is provided with an air flow outlet 404.
  • the plurality of airflow outlets 404 may be embedded in the gaps of the plurality of radiation sources 30 in a star shape. It may also be a mixed arrangement of the above two, which is not specifically limited here.
  • the drying device 100 further includes a spacer 50, and the spacer 50 is disposed in the air duct 40.
  • a part of the radiation source 30 can be shielded by the spacer 50, and the shielded part of the radiation source 30 is not blown by the airflow in the air duct 40.
  • This part can be regarded as the first part, and this part can be regarded as located in the air duct. 40 outside.
  • the shielded portion of the radiation source 30 may be at least one of a portion of the outer wall of the reflector cup 302 and the base 310 of the reflector cup 302.
  • the outer wall of the spacer 50 may be arranged in the form of a wind guide.
  • the outer wall of the spacer 50 is arranged in a streamlined shape to reduce wind noise and wind resistance.
  • a heat sink (not shown in the figure) is provided on the outer wall of the spacer 50.
  • the heat sink may include one or any combination of heat dissipation fins, heat dissipation air ducts, heat pipes, and heat dissipation plates.
  • the partition 50 is provided at the air flow outlet 404 of the air duct 40. In this way, the partition 50 provided at the airflow outlet 404 has less adverse effect on the airflow in the air duct 40.
  • the isolator 50 is coupled with at least one of the radiation source 30, the housing 10 and the air duct 40.
  • the way of coupling may be a detachable connection or a fixed connection.
  • the airflow flows in the channel formed by the inner wall of the air duct 40 and the outer wall of the partition 50. In this way, the airflow can flow out of the drying device 100 through the channel, and can take away the heat of the spacer 50.
  • the spacer 50 may absorb the heat generated when the radiation source 30 is in operation and increase the temperature. When the airflow passes through the channel, the spacer 50 can be dissipated, and the service life of the spacer 50 is ensured.
  • a part of the radiation source 30 is contained in the partition 50.
  • the spacer 50 can shield a part of the radiation source 30 to avoid being blown by the airflow in the air duct 40.
  • the radiation source 30 may include a reflector cup 302, and a part of the outer wall of the reflector cup 302 may be contained in the spacer 50. This part may be used as the first part to prevent the radiation source 30 from being blown directly by the airflow of the air duct 40. Excessive emission can ensure that the radiation source 30 is maintained at a proper working temperature during operation.
  • the radiation source 30 is in coplanar contact with the spacer 50. In this way, the adverse effect of the connection between the radiation source 30 and the spacer 50 on the airflow can be reduced.
  • the coplanar contact can make the connection between the radiation source 30 and the spacer 50 have a smooth transition.
  • the connection may form a streamlined surface.
  • the inner wall of the spacer 50 and the outer wall of the radiation source 30 enclose a cavity 60
  • the first part includes the outer wall portion of the radiation source 30 enclosing the cavity 60
  • the outer wall part of the radiation source 30 may be a part of the outer wall of the reflector cup 302, or a base 310 of the reflector cup 302, or a part of the base 310, or include a part of the outer wall of the reflector cup 302 and the reflector cup 302 base 310, or It includes a part of the outer wall of the reflector cup 302 and a part of the base 310 of the reflector cup 302.
  • the outer wall portion of the radiation source 30 that encloses the cavity 60 is blocked by the spacer 50, so that the airflow of the air duct 40 cannot blow directly.
  • the air duct 40 exchanges heat with the radiation source 30 through at least one of heat conduction and heat convection. In this way, the heat of the radiation source 30 can be properly dissipated, and the temperature during operation will not be too high or too low.
  • the drying device 100 further includes a control board (not shown in the figure), and the control board is arranged in the partition 50. In this way, the space in the housing 10 can be fully utilized, and the structure of the drying device 100 can be made compact.
  • control board may be placed in the cavity 60, and the control board may include a circuit board and various components mounted on the circuit board, such as a processor, a controller, a power supply, a switch circuit, a detection circuit, and the like.
  • the control board can be electrically connected to the radiation source 30 and the motor 20, and other electrical components, such as lights, indicator lights, sensors, etc.
  • the control board is used to control the operation of the drying device 100, including but not limited to controlling the operation mode of the drying device 100, the length of operation, the rotation speed of the motor, the power of the radiation source 30, and so on.
  • the drying device 100 includes a power source, a part of the power source is disposed in the isolator 50, and the power source is electrically connected to at least one of the radiation source 30 and the control board. In this way, the heat of the power supply can be dissipated through the isolator 50, and the power supply can supply power to at least one of the radiation source 30 and the control board.
  • the power source may include one or more batteries, and the batteries may be rechargeable batteries.
  • the power source may be a dedicated power supply for the radiation source 30, or a dedicated power supply for the control board, or power supply for the radiation source 30 and the control board at the same time.
  • a switch may be connected to the control board, and the on and off of the switch can be controlled to control whether the power supply supplies power to the radiation source 30.
  • the motor 20 is located downstream of at least part of the power source in the direction of air flow. In this way, the heat when the power supply is working is taken away by the wind of the motor, and the normal operation of the power supply is ensured.
  • the power supply 70 may include multiple batteries.
  • the motor 20 may be located downstream of all the batteries, or the motor 20 may be between multiple batteries. Place the battery, the lower half of the handle is the battery, the upper half is the motor 20, and there is a battery in the body 102. In this way, the air flow (wind) generated by the motor 20 can flow through at least part of the power source, so that the part of the power source blown by the wind can be dissipated.
  • the power source 70 is heavier than the motor 20, and the motor 20 is located at least partially downstream of the power source 70, which can avoid the drying device 100 being top-heavy. Furthermore, the wind resistance of the airflow generated by the motor 20 can also be reduced.
  • the drying device 100 includes a safety sensor (not shown), the safety sensor is electrically connected to the power supply 70 and the radiation source 30, and the safety sensor is used to disconnect the power supply 70 when the temperature of the radiation source 30 is greater than the set temperature. powered by. In this way, the safety of the drying device 100 can be improved.
  • the temperature of the radiation source 30 during operation may reach several hundred degrees, or thousands of degrees. If the temperature of the radiation source 30 increases abnormally due to abnormal operation, it may cause burns to the user. Therefore, a safety sensor is provided, and when the temperature of the radiation source 30 is greater than the set temperature, the power supply of the power supply 70 can be disconnected, so that the radiation source 30 stops working and the temperature drops, avoiding safety accidents and improving the safety of the drying equipment 100.
  • the specific value of the set temperature can be set according to requirements, and is not specifically limited here.
  • the safety sensor may include a thermostat.
  • the parameter selection of the thermostat can be determined according to the value of the set temperature.
  • the radiation source 30 is arranged on the longitudinal axis L of the air duct 40.
  • the airflow has basically the same heat dissipation efficiency around the radiation source 30, avoiding the occurrence of high local temperature and low local temperature of the radiation source 30, which is beneficial to maintaining the working efficiency of the radiation source 30 and the intensity of infrared radiation is stable.
  • the number of the radiation source 30 is single, and the single radiation source 30 is arranged on the longitudinal axis L of the air duct 40. In an example, the number of radiation sources 30 is multiple, and the multiple radiation sources 30 are arranged around the circumference of the longitudinal axis L of the air duct 40.
  • the radiation source 30 may include a reflector cup 302 and a light emitting element 304, the light emitting element 304 is located in the reflector cup 302, the first part includes a part of the outer wall of the reflector cup 302, and the second part includes another part of the outer wall of the reflector cup 302.
  • the second part may be a part of the outer wall of the reflector cup 302 that directly contacts the outer wall of the air duct 40, and the first part may be another part of the outer wall of the reflector cup 302 connected to the outer wall of the air duct 40 through the second part.
  • the second part may include a part of the base 310 of the reflector cup 302, and a part of the base 310 directly contacts the outer wall of the air duct 40.
  • the first part may include the base 310 of the reflector cup 302 or a part of the base 310.
  • the surface area of the first part is greater than the surface area of the second part. In this way, it is possible to properly dissipate the radiation source 30 and maintain a proper working temperature of the radiation source 30.
  • the second part exchanges heat with the air duct 40
  • the manner of heat exchange may include at least one of heat conduction and heat convection.
  • the second part directly contacts the outer wall of the air duct 40.
  • a part of the outer wall of the reflector cup 302 directly contacts the outer wall of the air duct 40 for heat exchange.
  • a part of the outer wall of the reflector cup 302 may form a part of the outer wall of the air duct 40 to directly contact another part of the outer wall of the air duct 40, that is, this part of the outer wall of the reflector cup 302 serves as the outer wall of the reflector 302 Part of it is also used as a part of the outer wall of the air duct 40.
  • a part of the outer wall of the reflector cup 302 is located outside the outer wall of the air duct 40 and is in direct contact with the outer wall of the air duct 40.
  • the second part is in contact with the air duct 40 through an additional heat dissipation structure 80 for heat exchange.
  • the heat dissipation structure 80 may include metals that facilitate heat dissipation (such as aluminum, copper, aluminum alloy, copper alloy, etc.), carbon fiber materials, and the like.
  • the specific form of the heat dissipation structure 80 is not limited. For example, it may include one or any combination of heat dissipation fins, heat dissipation plates, heat dissipation air ducts, and heat pipes.
  • the heat dissipation structure 80 can exchange heat between the air duct 40 and the second part through at least one of heat conduction and heat convection.
  • the heat dissipation structure 80 includes a plurality of heat dissipation fins arranged at intervals, and an airflow channel is formed between two adjacent heat dissipation fins, so that the airflow can flow through the airflow channel to take away heat, which improves Heat dissipation efficiency.
  • the heat dissipation structure 80 connects the second part and the outer wall of the air duct 40, that is, a heat dissipation structure 80 is provided between the air duct 40 and the second part.
  • the second part is a part of the outer wall of the reflector cup 302
  • the heat dissipation structure 80 connects this part of the outer wall of the reflector cup 302 and the outer wall of the air duct 40.
  • a part of the heat dissipation structure 80 is located in the air duct 40.
  • the second part is a part of the outer wall of the reflector cup 302
  • one end of the heat dissipation structure 80 is connected to the part of the outer wall of the reflector cup 302
  • the other end of the heat dissipation structure 80 extends into the air duct 40, and the airflow in the air duct 40 is directly Blow to this end of the heat dissipation structure 80.
  • the part of the heat dissipation structure 80 located in the air duct 40 may be formed as a first air guide. In this way, the adverse effect of this part of the heat dissipation structure 80 on the airflow can be reduced, and wind noise, wind resistance, etc. can be reduced.
  • the first air guide may have a streamlined windward surface, and the airflow can flow smoothly on the windward surface.
  • the first air guide is integrally connected with the second air guide in the air duct 40.
  • the second wind guide may be a guide bar and/or a guide groove formed on the inner wall of the air duct 40, and the second wind guide may also be arranged in a streamlined shape. Through the arrangement of the second air guide, it is possible to rectify and adjust the direction of the airflow.
  • the first air guide is integrally connected with the second air guide in the air duct 40, so that the airflow seamlessly passes through the first air guide and the second air guide, further reducing wind noise and wind resistance.
  • the heat dissipation structure 80 forms a part of the outer wall of the air duct 40.
  • a part of the outer wall of the air duct 40 may form a heat dissipation structure 80 for heat exchange with the second part (such as a part of the outer wall of the reflector 302).
  • the heat dissipation structure 80 forms a part of the inner wall of the air duct 40.
  • a part of the inner wall of the air duct 40 may form a heat dissipation structure 80, and pass through the wall of the air duct 40 through the connecting structure to exchange heat with the second part (such as a part of the outer wall of the reflector 302).
  • the outer wall and the inner wall of the air duct 40 may be two faces of one part, or one face of each of the two parts, and the two parts are connected to form the air duct 40. There is no specific limitation here.
  • the light emitting element 304 emits radiation containing an infrared band. In this way, the infrared band radiation emitted by the light-emitting element 304 can be used to dry the object, and the drying effect is good.
  • radiation in the infrared band may include radiation in the far-infrared band, radiation in the near-infrared band, and the like.
  • the infrared waveband radiation emitted by the light emitting element 304 may cover an infrared spectrum of 0.7 ⁇ m or more.
  • the wavelength of the infrared radiation emitted by the light emitting element 304 is in the range of 0.7 ⁇ m to 20 ⁇ m.
  • the radiation emitted by the light emitting element 304 may substantially cover the visible spectrum from 0.4 ⁇ m to 0.7 ⁇ m and the infrared spectrum above 0.7 ⁇ m.
  • the light emitting element 304 includes at least one of a halogen lamp, ceramics, graphene, and light emitting diodes.
  • examples of ceramics may include a positive temperature coefficient (PTC) heater and a metal ceramic heater (MCH).
  • the ceramic light emitting element 304 includes a metal heating element buried in the ceramic, such as tungsten buried in silicon nitride or silicon carbide.
  • the light emitting element 304 may be provided in the form of a wire (for example, silk).
  • the thread may be patterned (e.g., formed into a spiral wire) to increase its length and/or surface.
  • the light emitting element 304 may also be provided in the form of a rod.
  • the light emitting element 304 may be a silicon nitride rod, a silicon carbide rod, or a carbon fiber rod with a predetermined diameter and length.
  • the light-emitting element 304 can be selected from one of halogen lamps, ceramics, graphene, and light-emitting diodes, or the light-emitting element 304 can be selected from two or a combination of more than two of halogen lamps, ceramics, graphene, and light-emitting diodes. . There is no specific limitation here.
  • the temperature of the light emitting element 304 may be at least 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, or 2000 degrees Celsius (°C). In an example, the temperature of the light emitting element 304 may be 900 to 1500 degrees Celsius.
  • the center wavelength or wavelength range of the infrared radiation emitted by the light-emitting element 304 may be tunable, for example, at least 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0.
  • the power density of the radiation emitted from the light-emitting element 304 can be adjusted in different operation modes of the drying device 100 (eg, fast drying mode, hair health mode, etc.), for example, by changing the voltage and/or voltage supplied to the drying device 100 The current can be adjusted.
  • the reflective cup 302 may be configured to adjust the direction of radiation emitted from the light emitting member 304.
  • the reflector cup 302 may be configured to reduce the divergence angle of the reflected radiation beam.
  • the reflective surface of the reflector cup 302 may be coated with a coating material having high reflectivity to the wavelength or wavelength range of the radiation emitted by the light-emitting element 304.
  • the coating material may have high reflectivity for wavelengths in both the visible spectrum and the infrared spectrum. Materials with high reflectivity can have high efficiency in reflecting radiant energy.
  • coating materials may include metallic materials and dielectric materials.
  • the metal material may include, for example, silver and aluminum.
  • the dielectric coating may have alternating layers of dielectric material, such as magnesium fluoride.
  • the reflectivity of the reflective surface provided with the coating can be at least 90% (for example, 90% of the incident radiation is reflected by the reflective surface of the reflector 302), 90.5%, 91%, 91.5%, 92%, 92.5%, 93%, 93.5%, 94%, 94.5%, 95%, 95.5%, 96%, 96.5%, 97%, 97.5%, 98%, 98.5%, 99%, 99.5%, 99.6%, 99.7%, 99.8%, 99.9% Or higher.
  • the reflectivity of the reflective surface provided with the coating may be approximately 100%, which means that substantially all the radiation emitted by the light emitting element 304 can be reflected toward the outside of the drying device 100. Therefore, even if the temperature of the light-emitting element 304 is high, the temperature on the reflective surface of the reflector cup 302 will not substantially increase due to the radiation emitted from the light-emitting element 304.
  • the axial cross section of the reflective surface of the reflector cup 302 is in the shape of a polynomial curve. In this way, a focal point can be formed on the reflecting surface, which facilitates the guiding of infrared radiation and reduces the divergence angle of the reflected radiation beam.
  • the shape of the polynomial curve may include shapes such as a parabola, an ellipse, and a hyperbola.
  • the axial cross-section of the reflective surface of the reflector cup 302 has a parabolic shape.
  • the light emitting element 304 is arranged at the focal point of the reflective surface of the reflector cup 302. In this way, the infrared light beam emitted by the light emitting element 304 can be emitted from the opening of the reflector cup 302 substantially in parallel after being reflected by the reflecting surface, so that the infrared radiation emitted by the drying device 100 has good directivity.
  • the light-emitting element 304 is disposed at the focal point of the reflective surface of the reflector 302, and the infrared radiation beam emitted by the light-emitting element 304 at the focal point is reflected by the reflective surface of the reflector 302, and is substantially parallel to each other from the opening of the reflector 302 Shoot out.
  • the light emitting element 304 can also be placed away from the focus of the parabola, so that the reflected infrared radiation beam can converge or diverge at a certain distance in front of the drying device 100.
  • the position of the light emitting element 304 in the reflector cup 302 can be adjusted, so that the degree of convergence and/or direction of the output radiation beam can be changed.
  • the shape of the reflective cup 302 and the shape of the light emitting element 304 can be optimized and changed with respect to each other to output a desired heating power at a desired position of the drying device 100.
  • a heat-insulating material for example, glass fiber, mineral wool, cellulose, polyurethane foam or polystyrene
  • a heat-insulating material may be inserted between the light-emitting element 304 and the reflector cup 302 to insulate the light-emitting element 304 and the reflector cup 302. Even if the temperature of the light-emitting element 304 is high, thermal insulation can keep the temperature of the reflector 302 from increasing. It is also possible to insert a heat insulating material between the periphery of the optical element and the reflector cup 302 to insulate the optical element from the reflector cup 302.
  • the radiation source 30 includes an optical element 90, and the optical element 90 is disposed at the opening of the reflector 302 to filter or reflect radiation in the non-infrared waveband. In this way, only infrared radiation can be directed to the object to be dried.
  • the optical element 90 may include a lens, a reflector, a prism, a grating, a beam splitter, an optical filter, or a combination thereof that changes or redirects light.
  • the optical element 90 may be a lens.
  • the optical element 90 may be a Fresnel lens.
  • the optical element 90 may be made of a material having high infrared transmittance.
  • materials for the optical element 90 may include oxides (e.g. silicon dioxide), metal fluorides (e.g. barium fluoride), metal sulfides or metal selenides (e.g. zinc sulfide, zinc selenide) and crystals (e.g. Crystalline silicon, crystalline germanium).
  • oxides e.g. silicon dioxide
  • metal fluorides e.g. barium fluoride
  • metal sulfides or metal selenides e.g. zinc sulfide, zinc selenide
  • crystals e.g. Crystalline silicon, crystalline germanium
  • either or both sides of the optical element 90 may be coated with materials that absorb or reflect the visible spectrum and the ultraviolet spectrum, so that only wavelengths in the infrared range can pass through the optical element 90.
  • the optical element 90 can filter out (for example, absorb) radiation that is not in the infrared spectrum.
  • the infrared transmittance of the optical element 90 may be at least 95% (for example, 95% of the incident radiation in the infrared spectrum passes through the optical element 90), 95.5%, 96.0%, 96.5%, 97.0%, 97.5%, 98.0%, 98.5% , 99%, 99.1%, 99.2%, 99.3%, 99.4%, 99.5%, 99.6%, 99.7%, 99.8%, 99.9% or higher. In one example, the infrared transmittance of the optical element 90 may be 99%.
  • the light emitting element 304 can emit radiation with a wavelength of 0.4 ⁇ m to 20 ⁇ m
  • the reflector 302 can reflect all radiation toward the optical element 90 (for example, no radiation is absorbed at the reflective surface)
  • the optical element 90 can be removed from Any visible spectrum wavelength between 0.4 ⁇ m and 0.7 ⁇ m is filtered out of the reflected radiation, so that only radiation in the infrared spectrum leaves the radiation source 30.
  • the optical element 90 is sealed at the opening of the reflector cup 302. In this way, a relatively sealed internal space can be formed in the reflector cup 302.
  • the internal space of the reflector cup 302 may be configured to have a certain degree of vacuum.
  • the pressure inside the reflector 302 may be less than 0.9 standard atmospheric pressure (atm), 0.8atm, 0.7atm, 0.6atm, 0.5atm, 0.4atm, 0.3atm, 0.2atm, 0.1atm, 0.05atm, 0.01atm, 0.001atm, 0.0001atm or less.
  • the inside of the reflector cup 302 is close to a vacuum state, for example, the pressure inside the reflector cup 302 may be about 0.001 atm or less.
  • the vacuum can suppress the evaporation and/or oxidation of the light emitting element 304 and extend the life of the radiation source 30.
  • the vacuum can also prevent heat convection or heat conduction between the light emitting element 304 and the optical element 90 and/or the reflector cup 302.
  • the reflector cup 302 is filled with a protective gas.
  • the protective gas can be a certain amount of non-oxidizing gas (such as an inert gas) while still maintaining a certain level of vacuum to reduce the damage caused by the reflector cup 302 and the optical element 90.
  • the temperature of the gas inside the space formed by the inner surface rises. Although this temperature rise is small, it is caused by heat convection and heat conduction.
  • non-oxidizing gases may include nitrogen (N2), helium (He), argon (Ar), neon (Ne), krypton (Kr), xenon (Xe), radon (Rn) and nitrogen ( N2).
  • the presence of the inert gas can further protect the material of the light emitting element 304 from oxidation and evaporation.
  • a plurality of radiation sources 30 share one optical element 90, that is, one optical element is provided at the opening of the reflector 302 of all the radiation sources.
  • each radiation source is provided with an optical element 90, that is, an optical element 90 is provided at the opening of a reflector 302.
  • the drying device 100 further includes a control board, and the control board is electrically connected to the radiation source 30 and/or the motor 20. In this way, the control of the drying device 100 can be achieved.
  • control board may include a circuit board and various components mounted on the circuit board, such as a processor, a controller, a power supply 70, a switch circuit, a detection circuit, and the like.
  • the control board can be electrically connected to the radiation source 30 and the motor 20, and other electrical components, such as lights, indicator lights, sensors, etc.
  • the control board is used to control the operation of the drying device 100, including but not limited to controlling the operation mode of the drying device 100, the length of operation, the rotation speed of the motor, the power of the radiation source 30, and so on.
  • the drying device 100 includes a power source 70 located in the housing 10, the power source 70 is electrically connected to a control board, and the control board is electrically connected to the radiation source 30 and the motor 20. In this way, the power consumption of the radiation source 30 and the motor 20 can be controlled by the control board.
  • the control board can convert the voltage of the power source 70 into the voltage of the radiation source 30 corresponding to the working mode of the drying device 100 and the voltage of the motor 20, so that the radiation source 30 and the motor 20 can work in this working mode.
  • the control board can adjust the voltage, the radiation power of the radiation source 30, the rotation speed of the motor 20 (that is, the rotation speed of the fan blade), etc. can be adjusted.
  • the power supply 70 is switched on and off to control the working time of the radiation source 30 and the motor 20.
  • the power supply 70, the control board, the radiation source 30 and the motor 20 may also be connected in other manners.
  • the power supply 70 may be installed in the handle 104.
  • the power source 70 includes a rechargeable battery. In this way, the drying device 100 can be free from the shackles of the wire harness when in use, and the user experience can be improved.
  • the rechargeable battery may be a lithium ion battery, or other rechargeable batteries.
  • There may be one or more rechargeable batteries, and multiple batteries may be connected in series, or in parallel, or in series and parallel.
  • the main body 102 or the handle 104 may be provided with a charging interface.
  • the charging interface may be a wired charging interface or a wireless charging interface, which is not specifically limited here.
  • a battery cover may be provided on the handle 104, and the battery cover is removable to facilitate the removal and installation of the battery.
  • the drying device 100 further includes a sensor that senses the state of at least one of the drying device 100, the working environment in which the drying device 100 is located, the airflow, or the receiver of radiation. In this way, the operation of the drying device 100 can be controlled according to the signal of the sensor, and the user experience can be improved.
  • the state includes at least one of temperature, humidity, distance, posture, movement, flow, and flux.
  • the sensor may include at least one of a temperature sensor, a proximity/range sensor, a humidity sensor, an attitude sensor, a flow sensor, and a flux sensor.
  • the sensor may be placed, for example, on the side of the airflow outlet 404 of the housing 10 to monitor the state (for example, humidity) of the object to be dried (ie, the receiver of airflow or radiation).
  • the area where the airflow is applied to the object to be dried may roughly include an infrared radiation area (for example, radiation spot) on the object to be dried. Airflow can accelerate the evaporation of water from the object to be dried by blowing away the moist air around the object to be dried.
  • the airflow can also reduce the temperature of the object to be dried radiated by infrared radiation, so as to avoid damage to the object being dried.
  • the temperature of the object to be dried and the water on the object to be dried must be kept within an appropriate range to accelerate the evaporation of water from the object to be dried, while keeping the object to be dried from overheating.
  • a suitable temperature range can be 50 to 60 degrees Celsius.
  • the speed of the airflow blowing on the object to be dried can be adjusted to maintain the temperature of the object to be dried in an appropriate temperature range, for example, by blowing away hot water and excess heat.
  • the proximity/range sensor and the temperature sensor can work together to determine the temperature of the object to be dried and adjust the speed of the airflow through a feedback loop control to maintain the constant temperature or programmed temperature of the object to be dried.
  • the object to be dried may be hair, for example.
  • the posture sensor can collect the posture and movement of the drying device 100.
  • the attitude sensor may include an inertial detection module (IMU), which can detect the state of at least one of the roll axis, pitch axis, and yaw axis of the drying device 100, and can also detect whether it is in motion on the corresponding axis.
  • IMU inertial detection module
  • the posture sensor detects that the drying device 100 has not moved for a long time.
  • the control board can be based on the posture sensor.
  • the output data can be used to control the reduction of the rotation speed of the motor 20 and/or the reduction of the radiation intensity of the radiation source 30, and can also control the drying device 100 to perform sound, light, and vibration prompts.
  • the flow sensor can detect the flow of the air flow, so that the control board can control the speed of the motor 20 to adapt to the temperature control of the object to be dried. Similarly, the control board can also control the operation of the motor 20 and/or the radiation source 30 according to the flux data output by the flux sensor.
  • the senor is disposed in the housing 10 and located at the airflow outlet 404 of the air duct 40 and/or the opening of the radiation source 30. In this way, more accurate control of the airflow state and/or radiation state can be achieved.
  • the senor is located at the airflow outlet 404 of the air duct 40, which can detect the state of the airflow leaving the drying device 100, such as flow, flux, temperature, humidity, etc., and can more accurately control the state of the airflow leaving the drying device 100 , To prevent the internal environment of the drying device 100 from affecting the detection of the airflow state.
  • the sensor is located at the opening of the radiation source 30, which can detect the radiation state, such as intensity, leaving the drying device 100, and can more accurately control the radiation state leaving the drying device 100 to avoid the internal environment of the drying device 100. Detection of radiation status.
  • drying device 100 of the foregoing embodiment includes but is not limited to the following technical effects:
  • the configuration of the drying device 100 in the embodiment of the present application can appropriately reduce the temperature of the radiation source 30, prolong the service life of the light-emitting element 304, and at the same time prevent the temperature from dropping too low and causing waste of electric energy (more electric energy is used to maintain the black body). Radiant temperature).
  • the excess heat of the radiation source 30 is taken away by the wind, and the temperature of the wind rises by a few degrees (1 to 5 degrees). Although it is not enough to have a decisive effect on dry hair, it improves the body feeling of the people after the wind blows on the human body. People will not feel blown by the cold wind, which improves the user experience.

Landscapes

  • Cleaning And Drying Hair (AREA)
  • Drying Of Solid Materials (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Radiation Pyrometers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

L'invention concerne un dispositif de séchage (100), comprenant un boîtier (10), un moteur électrique (20) et une source de rayonnement (30). Un canal d'air (40) est agencé dans le boîtier (10) ; le moteur électrique (20) est situé dans le boîtier (10) et est utilisé pour générer un flux d'air dans le canal d'air (40) ; et la source de rayonnement (30) est contenue dans le boîtier (10) et est utilisée pour générer un rayonnement infrarouge et guider le rayonnement infrarouge vers l'extérieur du boîtier (10), la source de rayonnement (30) comprenant une première partie et une seconde partie, la première partie étant située à l'extérieur du canal d'air (40) et la seconde partie étant reliée à la première partie et échangeant de la chaleur avec le canal d'air (40).
PCT/CN2021/092188 2020-05-09 2021-05-07 Dispositif de séchage WO2021227961A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202210233999.9A CN114788608A (zh) 2020-05-09 2021-05-07 干燥设备
CN202210233793.6A CN114794698A (zh) 2020-05-09 2021-05-07 干燥设备
CN202180002540.1A CN113597267B (zh) 2020-05-09 2021-05-07 干燥设备
CN202210234281.1A CN114794699A (zh) 2020-05-09 2021-05-07 干燥设备
CN202111341594.9A CN115120020A (zh) 2021-03-24 2021-11-12 干燥设备

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
PCT/CN2020/089408 WO2021226749A1 (fr) 2020-05-09 2020-05-09 Appareils et procédés de séchage d'un objet
CNPCT/CN2020/089408 2020-05-09
CNPCT/CN2020/095146 2020-06-09
PCT/CN2020/095146 WO2021227165A1 (fr) 2020-05-09 2020-06-09 Appareils et procédés pour sécher un objet
PCT/CN2021/082835 WO2021227675A1 (fr) 2020-05-09 2021-03-24 Appareils et procédés permettant de sécher un objet
CNPCT/CN2021/082835 2021-03-24

Publications (1)

Publication Number Publication Date
WO2021227961A1 true WO2021227961A1 (fr) 2021-11-18

Family

ID=77257784

Family Applications (8)

Application Number Title Priority Date Filing Date
PCT/CN2020/089408 WO2021226749A1 (fr) 2020-05-09 2020-05-09 Appareils et procédés de séchage d'un objet
PCT/CN2020/095146 WO2021227165A1 (fr) 2020-05-09 2020-06-09 Appareils et procédés pour sécher un objet
PCT/CN2021/082835 WO2021227675A1 (fr) 2020-05-09 2021-03-24 Appareils et procédés permettant de sécher un objet
PCT/CN2021/092188 WO2021227961A1 (fr) 2020-05-09 2021-05-07 Dispositif de séchage
PCT/CN2021/092204 WO2021227963A1 (fr) 2020-05-09 2021-05-07 Appareil de séchage et module d'alimentation électrique
PCT/CN2021/092185 WO2021227960A1 (fr) 2020-05-09 2021-05-07 Dispositif de séchage
PCT/CN2021/092191 WO2021227962A1 (fr) 2020-05-09 2021-05-07 Dispositif de séchage
PCT/CN2021/092177 WO2021227957A1 (fr) 2020-05-09 2021-05-07 Appareils et procédés de séchage sécurisé d'un objet

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PCT/CN2020/089408 WO2021226749A1 (fr) 2020-05-09 2020-05-09 Appareils et procédés de séchage d'un objet
PCT/CN2020/095146 WO2021227165A1 (fr) 2020-05-09 2020-06-09 Appareils et procédés pour sécher un objet
PCT/CN2021/082835 WO2021227675A1 (fr) 2020-05-09 2021-03-24 Appareils et procédés permettant de sécher un objet

Family Applications After (4)

Application Number Title Priority Date Filing Date
PCT/CN2021/092204 WO2021227963A1 (fr) 2020-05-09 2021-05-07 Appareil de séchage et module d'alimentation électrique
PCT/CN2021/092185 WO2021227960A1 (fr) 2020-05-09 2021-05-07 Dispositif de séchage
PCT/CN2021/092191 WO2021227962A1 (fr) 2020-05-09 2021-05-07 Dispositif de séchage
PCT/CN2021/092177 WO2021227957A1 (fr) 2020-05-09 2021-05-07 Appareils et procédés de séchage sécurisé d'un objet

Country Status (3)

Country Link
EP (2) EP4132319A4 (fr)
CN (3) CN113615952A (fr)
WO (8) WO2021226749A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113568074B (zh) * 2021-09-24 2022-01-04 深圳汝原科技有限公司 颜色镀膜方法、系统、存储介质、辐射源组件和干燥设备
CN114081259A (zh) * 2021-09-30 2022-02-25 深圳汝原科技有限公司 红外光源、辐射源和干燥装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005177234A (ja) * 2003-12-22 2005-07-07 Matsushita Electric Works Ltd ヘアドライヤー
WO2018021309A1 (fr) * 2016-07-29 2018-02-01 日立マクセル株式会社 Sèche-cheveux
CN208129714U (zh) * 2018-01-20 2018-11-23 东莞市瑞迪三维电子科技有限公司 一种红外加热吹风筒
JP2019050945A (ja) * 2017-09-13 2019-04-04 マクセルホールディングス株式会社 ヘアードライヤー
CN109952044A (zh) * 2016-07-29 2019-06-28 斯波尔概念公司 用于增强型电吹风的系统和方法
CN111093421A (zh) * 2018-02-08 2020-05-01 麦克赛尔控股株式会社 吹风机

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323761A (en) * 1979-11-26 1982-04-06 Huebner Otto Radiant heat hair dryer
DE2950001A1 (de) * 1979-12-12 1981-06-19 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Elektischer haartrockner
CN2063025U (zh) * 1989-12-07 1990-10-03 广州无线电研究所 远红外理疗干发器
CN2111677U (zh) * 1992-03-19 1992-08-05 曾利庆 无风远红外干发器
US6732449B2 (en) * 2000-09-15 2004-05-11 Walter Evanyk Dryer/blower appliance with efficient waste heat dissipation
US6901214B2 (en) * 2003-08-26 2005-05-31 Tek Maker Corporation Multiple-setting portable dryer and circuit designs thereof
KR200369961Y1 (ko) * 2004-09-09 2004-12-13 김유수 레이저 방사 기능을 갖는 헤어 드라이기
EP2619614B1 (fr) * 2010-09-21 2014-05-14 Federal-Mogul Ignition Company Module d'éclairage à del
CN202233647U (zh) * 2011-09-07 2012-05-30 深圳拓邦股份有限公司 一种电吹风
CN202820034U (zh) * 2012-09-28 2013-03-27 惠州学院 一种电吹风
JPWO2014129072A1 (ja) 2013-02-20 2017-02-02 日本碍子株式会社 ノズル付きヒーター及び乾燥炉
AU2014200576A1 (en) * 2014-02-03 2015-08-20 Grice, James Alexander MR The Cordless hair dryer uses Lithium-Ion cells combined in a battery pack to supply power to control circuitry, a DC blower or fan and a heating element. All components are enclosed in a cavity in which the heating element heats up air which is extruded by the blower or fan. The Control System provides a master cut off switch to the battery pack as well as speed selection for the blower or fan and also cool blast and heat blast buttons.
CN103815644A (zh) * 2014-02-28 2014-05-28 王红 温度监测控制电吹风
KR20200055158A (ko) * 2015-04-27 2020-05-20 메트라스, 인코포레이티드 광조사 장치
CN105286263A (zh) * 2015-11-19 2016-02-03 深圳市纳顿科技有限公司 一种吹风机
CN205162245U (zh) * 2015-11-20 2016-04-20 常州烯旺新材料科技有限公司 便携式可充电电吹风
JP6718679B2 (ja) * 2015-12-28 2020-07-08 マクセルホールディングス株式会社 温風乾燥機
CN205696318U (zh) * 2016-03-25 2016-11-23 中国地质大学（武汉） 一种智能变频电吹风机及其控制系统
CN105639981B (zh) * 2016-03-25 2019-01-01 中国地质大学（武汉） 一种智能变频电吹风机及其控制系统与方法
CN106175024A (zh) * 2016-07-20 2016-12-07 柳州六品科技有限公司 一种断电保护式智能型电吹风
CN106617613A (zh) * 2016-11-09 2017-05-10 安徽工业大学 一种吹风机及其恒温智能控制电路和方法
JP2019136191A (ja) * 2018-02-07 2019-08-22 マクセルホールディングス株式会社 ドライヤー
CN208676494U (zh) * 2018-05-22 2019-04-02 长沙梦龙智能科技有限责任公司 一种吹风机
JP7270949B2 (ja) * 2018-09-18 2023-05-11 タカラベルモント株式会社 毛髪処理装置
JP7129298B2 (ja) 2018-09-28 2022-09-01 マクセル株式会社 ドライヤー
JP6559862B1 (ja) * 2018-10-02 2019-08-14 株式会社スリーエス 光学ユニット及びその光学ユニットを使ったｌｅｄ照明器具
KR102144480B1 (ko) * 2018-10-26 2020-08-13 강시열 카본히터가 구비된 헤어드라이기
JP7179585B2 (ja) * 2018-11-07 2022-11-29 マクセル株式会社 ドライヤー
CN209898564U (zh) * 2018-12-10 2020-01-07 揭阳市爱惠智能科技有限公司 一种电吹风及其控制电路
CN209769390U (zh) * 2019-02-22 2019-12-13 中山市瑞驰泰克电子有限公司 一种便于加热的快干吹风梳
CN209732899U (zh) * 2019-03-15 2019-12-06 莱克电气股份有限公司 一种吹风机保护装置及吹风机
CN209862627U (zh) * 2019-04-28 2019-12-31 南昌航空大学 一种可自动断电的触控电吹风

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005177234A (ja) * 2003-12-22 2005-07-07 Matsushita Electric Works Ltd ヘアドライヤー
WO2018021309A1 (fr) * 2016-07-29 2018-02-01 日立マクセル株式会社 Sèche-cheveux
CN109952044A (zh) * 2016-07-29 2019-06-28 斯波尔概念公司 用于增强型电吹风的系统和方法
JP2019050945A (ja) * 2017-09-13 2019-04-04 マクセルホールディングス株式会社 ヘアードライヤー
CN208129714U (zh) * 2018-01-20 2018-11-23 东莞市瑞迪三维电子科技有限公司 一种红外加热吹风筒
CN111093421A (zh) * 2018-02-08 2020-05-01 麦克赛尔控股株式会社 吹风机

Also Published As

Publication number Publication date
WO2021227960A1 (fr) 2021-11-18
WO2021227165A1 (fr) 2021-11-18
WO2021227962A1 (fr) 2021-11-18
EP4132319A4 (fr) 2023-10-04
WO2021227963A1 (fr) 2021-11-18
EP4132319A1 (fr) 2023-02-15
WO2021227957A1 (fr) 2021-11-18
EP4146037A1 (fr) 2023-03-15
WO2021227675A1 (fr) 2021-11-18
CN113615952A (zh) 2021-11-09
WO2021226749A1 (fr) 2021-11-18
CN213962188U (zh) 2021-08-17
CN113615953A (zh) 2021-11-09
EP4146037A4 (fr) 2023-11-01

Similar Documents

Publication Publication Date Title
CN215737367U (zh) 干燥设备
CN113573608B (zh) 干燥设备
US11464313B2 (en) Apparatuses and methods for drying an object
WO2021227961A1 (fr) Dispositif de séchage
US4323761A (en) Radiant heat hair dryer
WO2016072031A1 (fr) Sèche-cheveux
CN113573609B (zh) 干燥设备
CN113597267B (zh) 干燥设备
US20220378165A1 (en) Infrared hairdryer
CN216493967U (zh) 辐射源组件和干燥设备
CN115120020A (zh) 干燥设备
CN216875358U (zh) 干燥设备
CN216932208U (zh) 干燥设备
CN216875357U (zh) 干燥设备
WO2022261988A1 (fr) Ensemble source de rayonnement et appareil de séchage
WO2023123518A1 (fr) Dispositif de séchage
JP2023524576A (ja) 対象物を安全に乾燥させるための装置及び方法
WO2022261987A1 (fr) Dispositif de séchage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21804081

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 09.01.2023)

122 Ep: pct application non-entry in european phase

Ref document number: 21804081

Country of ref document: EP

Kind code of ref document: A1