EP3902441A1 - Appareil de coiffure a module electronique refroidi - Google Patents
Appareil de coiffure a module electronique refroidiInfo
- Publication number
- EP3902441A1 EP3902441A1 EP19828790.6A EP19828790A EP3902441A1 EP 3902441 A1 EP3902441 A1 EP 3902441A1 EP 19828790 A EP19828790 A EP 19828790A EP 3902441 A1 EP3902441 A1 EP 3902441A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- blowing head
- electronic module
- module
- air flow
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
Definitions
- the present invention relates to the general technical field of hairdressing devices, for example for domestic use, and more specifically to the field of electric hairdressing devices designed to blow an air flow in order to dry and / or to facilitate shaping. hair.
- Hairdressing devices for example of the hair dryer type, designed to allow a user to dry and / or shape his hair by blowing an air flow towards the hair have been known for a long time.
- known hairdressing devices include a blowing head supplied with air by a motor-fan unit, as well as generally a heating element making it possible to obtain a flow of hot air to facilitate drying of the hair.
- the objects assigned to the invention therefore aim to remedy these drawbacks and to propose a new hairdressing device which, while being of compact construction, has improved reliability.
- Another object of the invention aims to propose a new hairstyling device of particularly simple construction.
- Another object of the invention is to propose a new hairstyling device of particularly ergonomic and practical design.
- the objects assigned to the invention are achieved using a hairdressing apparatus comprising a blower module for generating an air flow, a blowing head, an electronic module, which electronic module is housed within said blowing head, and a bypass channel designed to capture part of the air flow generated by the blowing module in order to ensure the cooling of said electronic module.
- Figure 1 illustrates, in a perspective view, a preferred embodiment of a hairdressing device according to the invention.
- FIG. 2 illustrates, in a rear view, the hairdressing apparatus of FIG. 1.
- FIG. 3 illustrates, in a front view, the hairdressing apparatus of FIG. 1.
- FIG. 4 illustrates, in a side view, the hairdressing apparatus of FIG. 1.
- FIG. 5 illustrates, in a side view in longitudinal section, the hairdressing appliance of FIGS. 1 to 4.
- the hairstyling device 1 is typically intended for use in a domestic setting by a user lacking particular professional skills in hairstyling, that is to say both in terms of drying and styling, hair shaping.
- the hairstyling device 1 is preferably designed to be grasped and manipulated by hand, it is therefore advantageously a manual hairstyling device, preferably portable.
- the hair styling device 1 forms a hair dryer (or hair dryer), which allows a user to dry his wet or damp hair by blowing towards the hair a forced air flow, hot or cold, and facilitate hair shaping.
- the hairdressing appliance forms a blower hair brush or any other hair styling device with a function involving the blowing of an air flow on the user's hair, and which could be more specifically used for styling purposes, for example in direct contact with the hair (brushing, smoothing, etc.).
- the hairdressing apparatus 1 comprises a blower module 2 designed to generate an (forced) air flow, and a blowing head 3, by means of which the air flow generated by the blower module 2 is directed out of the hairdressing apparatus 1 so that it can be projected towards the user's hair.
- the blowing head 3 is typically provided with at least one air outlet, through the opening of which the air flow generated by the blowing module 2 is directed out of the hairdressing appliance 1 .
- the hairdressing appliance 1 also comprises a handle 4 (or handle) for manual gripping, intended to be grasped by the user for handling the hairdressing appliance 1, and to which the blowing head 3 is advantageously connected.
- the handle 4 extends between a first end 5 and an opposite second end 6, preferably longitudinally along a first axis A-A ’.
- the handle 4 is formed of a generally tubular part (for example of circular or elliptical mean section, constant or not), shaped and dimensioned to ensure good grip by the user.
- said blowing head 3 extends the handle 4 from one of its first 5 and second 6 ends, and thus preferably forms a terminal part of the hairdressing apparatus 1, as in the case of the mode of preferred embodiment illustrated in the figures.
- the blowing head 3 is preferably designed to remain permanently attached to the handle 4, the blowing head 3 not being thus provided (in normal use ) to be dissociated from the handle 4 of the hairdressing apparatus 1 by the user.
- the blower module 2 can be arranged within the blowing head 3. More preferably, however, the blower module 2 of the hairdressing appliance 1 is arranged within the handle 4 or, even more preferably, is assembled to the handle 4 at the first end 5 of the latter, as illustrated in the figures. Thus, in other words, according to the illustrated embodiment, the blower module 2 is not located in the blowing head 3.
- the blowing head 3 can then preferably be connected to the handle 4 at the second end 6 of the latter.
- the blowing head 3 thus preferably extends from the second end 6 of the handle 4, while the blower module 2 extends for its part the handle 4 from the first end 5 of the latter.
- blower module 2 can then itself be extended by an electrical supply cord for the hairdressing appliance (not illustrated).
- the blower module 2 is thus advantageously offset from the blowing head 3, and preferably also offset from the handle 4 of the hairdressing apparatus 1. It is thus possible to size the blower module 2 so as to generate a flow air with a large flow, economically, and without impacting the overall size of the blowing head 3 and the handle 4.
- an arrangement of the blowing module 2 and the blowing head 3 at each of the ends 5, 6 of the handle 4 advantageously makes it possible to better balance the weight of the hairdressing apparatus 1, by a distribution of the masses on either side of the handle 4, which contributes to the comfort of use of this latest.
- the handle 4 may advantageously include a guide channel 7 for the flow of air generated by the blower module 2 in the direction of the blowing head 3.
- Said guide channel 7 advantageously channels said air flow through the handle 4, typically in the direction of the first end 5 of the handle 2 towards the second end 6 of the latter, as illustrated in an example in FIG. 5.
- the blower module 2 of the hairdressing apparatus 1 preferably comprises a motor-fan group 8, itself comprising an electric motor 9.
- the motor-fan group 8 can comprise a classic axial fan with propeller or helical.
- the motor-fan unit 8 can advantageously comprise a fan of the helico-centrifugal or centrifugal type. The use of such a centrifugal or centrifugal fan advantageously makes it possible to obtain, with equivalent dimensions, a high internal pressure with an air flow rate substantially analogous to that of a propeller or helical fan, but with a lower rotation speed and therefore less noise generated by the motor-fan unit 8.
- the electric motor 9 of the fan motor unit 8 is a brushless electric motor (so-called “brushless” motor or self-controlled synchronous machine with permanent magnets).
- a brushless electric motor 9 is generally more robust, more reliable and lighter than a conventional brushed electric motor. Less noisy and more energy efficient, it also offers greater flexibility and better precision in adjusting its rotation speed.
- the motor-fan unit 8 advantageously comprises a fan 10 of the centrifugal type, and its electric motor 9 is a brushless electric motor, as proposed above.
- the blower module 2 further comprises an internal working chamber 1 1 in the form of a volute, within which is housed the motor-fan unit 8.
- Said working chamber 1 1 can, as illustrated in FIG. 5, be defined by the internal walls of two half-shells 12, 13 assembled to one another (for example, by screwing) and secured to the handle 4 at the first end 7 of the latter.
- the blower module 2 is provided with an air inlet 14, through which the ambient air is sucked axially by the fan 10 within the working chamber 11, and an air outlet which is advantageously connected to the air guide channel 7 of the handle 4 and through which the sucked air is discharged radially out of the working chamber 1 1.
- the blower module 2 also preferably comprises a grid 15 (possibly removable and repositionable) for protecting the air inlet 14 of the working chamber 11.
- the hairdressing appliance 1 also comprises a heating element 16 designed to raise the temperature of the air flow generated by the blower module 2.
- the heating element 16 can be arranged within the blowing head 3 or within (ie inside) of handle 4 of the latter. More advantageously, the heating element 16 is arranged (at least in part) within the handle 4, and even more advantageously even inside the guide channel 7 of the handle 4, as in the embodiment. preferential illustrated in the figures, so as to be interposed in the air flow generated by the blower module 2.
- Such a configuration makes it possible in particular to reduce the size and the weight of the blowing head 2, and to simplify the design of the latter.
- the heating element 16 comprises at least one electric heating resistance formed winding of a metallic conducting wire (for example, in nichrome) around an insulating core.
- the heating element 16 is more precisely in the form of a winding of a metallic conducting wire (not illustrated) around an insulating core 17 (for example, made of mica) cross-shaped and provided at its ends with fixing fins.
- the hairdressing apparatus 1 further comprises a thermal insulator 18, for example a tubular part with a circular base, within which the heating element 16 is mounted, and which in particular makes it possible to protect the user from the risk of burns by limiting heating of the handle 4.
- a thermal insulator 18 for example a tubular part with a circular base, within which the heating element 16 is mounted, and which in particular makes it possible to protect the user from the risk of burns by limiting heating of the handle 4.
- the inner wall of the tubular thermal insulation 18 can advantageously define all or part of the guide channel 7 of the air flow mentioned above.
- the blowing head 3 is mounted fixed relative to the handle 4. In this case, the blowing head 3 is then preferably provided with a single air outlet.
- the blowing head 3 is, on the contrary, mounted movable relative to the handle 4.
- the blowing head 3 can then, for example, be provided with a single air outlet.
- the mobile nature of the head blowing 3 then makes it possible for example to modify the direction of the flow of air blown by the hairdressing apparatus 1, as a function of the position of the blowing head 3 relative to the handle 4.
- the blowing head 3 is provided, not with a single air outlet, but with at least a first air outlet 19 and a second air outlet 20, distinct (and therefore different , not confused) from each other.
- the blowing head 3 can then advantageously be mounted movable relative to the handle 4 between at least a first position in which the air flow generated by the blowing module 2 is blown by the blowing head 3 via the first air outlet 19, and a second position in which said air flow is blown by the blowing head 3 via the latter's second air outlet 20.
- the hairdressing appliance 1 is thus advantageously designed and configured to allow, by a displacement (that is to say by a modification of the arrangement, of the positioning) of the blowing head 3 relative to the handle 4, alternately select one or the other of the first 19 and second 20 air outlets of the blowing head 3 by which the air flow will be blown by the blowing head 3.
- the blowing head 3 can be mounted movable in rotation relative to the handle 4, around a second axis B-B ’of rotation, as in the embodiment illustrated in the figures.
- the blowing head 3 is then mounted relative to the handle 4 according to a pivot connection, so that it can thus rotate relative to the handle 4.
- the hairdressing apparatus 1 can thus advantageously be designed and configured to allow the user, by pivoting of the blowing head 3 relative to the handle 4, alternately selecting one or the other of the first 19 and second 20 air outlets of the blowing head 3 by which the air flow will be blown by the blowing head 3.
- the blowing head 3 is rotatably mounted relative to the handle 4 around said second axis B-B ', which coincides with the first axis AA' of extension of the handle 4, as in the embodiment illustrated in figures.
- the second axis B-B 'of rotation could be parallel to said first axis A-A '(and more or less offset from the latter).
- the kinematics of the blowing head 3 is thus simple and reliable, and allows intuitive handling of the hairdressing apparatus 1 by the user.
- the second axis B-B ' is intersecting with said first axis A-A' at an angle typically between 5 and 15 °.
- blowing head 3 could, according to an alternative variant not illustrated in the figures, be mounted movable in translation relative to the handle 4, for example along a translation axis which would be parallel or coincident with the first axis A-A 'd' extension of the handle 4, or even still along an axis of translation which would on the contrary be orthogonal to said first axis A-A 'of extension of the handle 4. It could then be for example a movement in pure translation, of the type slide connection, or a movement in helical translation, of the blowing head 3 relative to the handle 4.
- the blowing head 3 is provided, as mentioned above, with at least one first air outlet 19 and a second 20 air outlets, these preferably have openings of different geometries.
- the useful air passage section of the opening of the first air outlet 19 is then defined by a contour (or a plurality of contours) of shape different from the shape of the contour (or of the plurality of contours) which respectively defines the useful air passage section of the opening of the second air outlet 20.
- the flow of air blown by the blowing head 3 will therefore thus affect a different profile depending on the outlet air 19, 20 selected, so that the user can make use of the hairdressing apparatus 1 according to at least two different blowing configurations.
- the first air outlet 19 and second air outlet 20 are advantageously designed to blow, project, two air streams of different profiles, respectively a first air stream and a second air stream, each of the latter allowing the user to perform a different operation on his hair.
- the first air flow can correspond to a flow of drying air, of broad and diffuse profile, and of high flow rate (for example, of the order of 70 m 3 / h), to allow the user to quickly dry his hair.
- the second air flow can correspond to a shaping air flow, of concentrated and narrow profile, and of lower flow rate (for example, of the order of 50 m 3 / h), to allow the user to choose precisely the place of his hair to which the second air flow will be blown. In this way, the user can skillfully and easily achieve shaping of his hair, such as for example waves, or on the contrary smoothing.
- the first air outlet 19 has an opening of generally circular shape substantially circular (FIG. 2), while the second air outlet 8 ( Figures 1 and 3) has a generally oblong, elongated opening.
- the hairdressing apparatus 1 can be used in a conventional manner for drying wet hair, the first flow of air blown by the blowing head 3 having, in the vicinity of the first air outlet 19, a substantially cylindrical or conical profile.
- the hairdressing device 1 can then be used to dry the hair while facilitating the shaping of the hair (for example, to carry out “brushing”), the second flow of air blown by the blowing head 3 forming, in the vicinity of the second air outlet 20, an air space which allows the user to choose with precision the place of his hair where to apply the air flow to achieve shaping.
- the hairstyling device 1 advantageously allows the user to choose between at least a first mode of use (for example for drying) and a second mode of use (for example for shaping the hair) of the hair styling device 1 by modifying the arrangement or the position of the blowing head 3 relative to the handle 4 (and preferably by a simple rotation of the blowing head 3 relative to the handle 4), which allows to select, in a particularly simple and rapid manner, an air flow profile adapted according to the operation to be performed on the hair.
- a first mode of use for example for drying
- a second mode of use for example for shaping the hair
- the blowing head 3 comprises an external casing 21 (or fairing) which defines the external shape and contour of the blowing head 3 and, advantageously, the external shape and contour of a terminal part of the device 1, which is connected to the handle 4 of said hairdressing apparatus 1.
- the outer casing 21 may possibly be shaped to give the blowing head 3 a particular aesthetic appearance, for example a generally cylindrical appearance as illustrated in example in FIGS. 1 to 5.
- said external envelope 21 is advantageously shaped to allow manual gripping by the user, so that the latter can print directly by hand to said external envelope 21 (and therefore to the head of blowing 3), a pivoting movement around the second axis B-B 'of rotation of the blowing head 3 relative to the handle 4, to select one or the other of said first 19 and second 20 air outlets of the blowing head, and therefore the corresponding operating mode of the hairdressing appliance 1.
- the blowing head 3 comprises a nozzle body 22 for guiding the flow of air out of the hairdressing appliance 1, in the direction of the user's hair.
- the nozzle body 22 is advantageously embedded in said outer casing 21, formed for example of half-shells assembled by snap-fastening or by screwing .
- the rotation, by the user, of the external casing 21 of the blowing head 3 around the second axis B-B 'thus causes the nozzle body 22 to rotate jointly around said second axis B-B' .
- the external envelope 21 of the blowing head 3 extends generally longitudinally along a third axis CC 'orthogonal to a median plane of the blowing head 3, said blowing head 3 being arranged relative to the handle 4 so that the second axis BB 'of rotation of the blowing head 3 is coincident with the first axis AA' of extension longitudinal of the handle 4, and that said first AA 'and second BB' axes are inscribed in the median plane of the blowing head 3.
- the external envelope 21 therefore advantageously extends along said third axis CC 'which is orthogonal to the times to the first axis AA 'of longitudinal extension of the handle 4 and to the second axis BB' of rotation of the blowing head 3, and over an average length substantially equal on either side of said first AA 'and second BB' axes .
- this particular arrangement advantageously contributes to a good general balance and to good maneuverability of the hairdressing apparatus 1 by the user.
- the nozzle body 22, advantageously monolithic, preferably extends itself along the third axis C-C 'of longitudinal extension of the blowing head 3 between, on the one hand, a first nozzle end forming the first air outlet 19 of the blowing head 3 (which advantageously has an opening of generally circular shape, as mentioned above) and, on the other hand, a second opposite end of nozzle forming, for its part, the second air outlet 20 of the blowing head 3 (which advantageously has a generally oblong opening, elongated, in a direction perpendicular to the second axis B-B 'of the blowing head 3).
- the first 19 and second 20 air outlets of the blowing head 3 are thus arranged on either side of the second axis B-B 'of rotation of the blowing head 3 relative to the handle 4.
- the passage of the head blowing 3 from said first position to said second position then advantageously corresponds to a rotation of said blowing head 3 by an angle of 180 ° around said second axis B-B '.
- This particular arrangement contributes to a practical and particularly intuitive handling of the hairdressing apparatus 1 by the user.
- the hairdressing apparatus 1 also comprises a deflector 23 for guiding the air flow generated by the blower module 2 from the guide channel 7 of the sleeve 4 alternately towards one or the other of said first 19 and second 20 air outlets, according to the position occupied by the blowing head 3 pivotally mounted relative to the handle 4.
- the deflector 23 preferably comprises a bent tubular element 24, mounted fixed relative to the handle 4 and extending the air guide channel 7 said sleeve 4 along the first axis AA 'of extension of the handle 4.
- the blowing head 3 advantageously rotates around the bent tubular element 24 of the deflector 23, when it passes from one to the other of said first and second positions.
- the nozzle body 22 advantageously comprises an air inlet orifice 25, of dimensions combined with those of the bent tubular element 24 of the deflector, and through which said bent tubular element 24 penetrates into the nozzle body 22, along the second axis BB 'of rotation of the blowing head 3.
- the bent tubular element 24 and the nozzle body 22 are advantageously configured and arranged relative to each other of so that, when the blowing head 3 occupies said first position, the bent tubular element 24 directs the air flow in the nozzle body 22 in the direction of the first nozzle end forming the first air outlet 19 of the blowing head 3, while preferably preventing any air leakage in the direction of the second opposite nozzle end.
- the bent tubular element 24 and the nozzle body 22 are advantageously configured and arranged relative to each other so that, when the blowing head 3 occupies said second position (in this case, at the following a rotation of the blowing head 3 by an angle of 180 ° around the second axis B-B '), the bent tubular element 24 then directs the air flow in the nozzle body 22 in the direction of the second nozzle end forming the second air outlet 20 from the blowing head 3, while preferably preventing any air leakage in the direction of the opposite first nozzle end (FIG. 5).
- the deflector 23 (and in particular the bent tubular element 24 of the latter) and the nozzle body 22 are advantageously shaped and arranged to subject the air flow coming from the air guide channel 7 of the handle 4 a 90 ° deflection towards one or the other of the first 19 and second 20 air outlets.
- a completely different design of the blowing head of the hairdressing apparatus according to the invention can obviously be envisaged, in particular in the case where the blowing head comprises only one air outlet and does not is also not mounted movable relative to the handle of the hairdressing appliance.
- the hairstyling device 1 also comprises an electronic module 26.
- the electronic module 26 is advantageously designed to interact (directly or indirectly) with all or part of the various functional organs which the hairdressing apparatus 1 can include. It is typically a card, an electronic circuit, a printed circuit (“PCB”) or a set of electrical, electronic or electromechanical components, internal to the hairdressing appliance 1.
- the module electronics 26 may be intended to provide a particular mode of electrical supply (with, for example, a filtering, transforming or rectifying current function), to provide monitoring, control or even regulation of the operation of the one and / or the other of the functional organs of the hairdressing apparatus 1.
- said electronic module 26 may include components such as an electric battery, a display, one or more microcontroller (s), etc.
- the electronic module 26 can optionally be connected to a certain number of sensors and sensors distributed in the hairdressing apparatus 1 and intended to measure, to monitor, physical quantities linked to the functioning of the latter (temperatures, electrical voltages and currents, speeds / air flow rates, speed of rotation of the fan 10 of the blower module 2, etc.), in order to optimally control the operation of the various functional organs of the hairdressing appliance 1.
- the electronic module 26 is more specifically designed to control or control the operation of the hairstyling device 1.
- the electronic module 26 can be designed to control the operation of the heating element 16, and understand as such a circuit for controlling the power supply and / or for specific regulation (power, temperature, etc.) of said heating element 16.
- the electronic module 26 is more particularly designed to control the operation of the blower module 2 of the hairdressing appliance 1. Even more preferably, the electronic module 26 is designed to control only the operation of said blower module 2.
- the control of said brushless electric motor 9 can thus be advantageously ensured by the electronic module 26.
- the electronic module 26 can be designed to ensure in particular the switching of the electric current in the stator windings (phase control) of the motor as a function of data from position sensors (for example, Hall effect), the self-regulation of the rotation speed, etc.
- said electronic module 26 is arranged in the blowing head 3 of the hairdressing appliance 1, preferably outside the air flow circulating within the blowing head 3.
- the blowing head 3 may include a dedicated compartment 27, capable of receiving said electronic module 26.
- Such an arrangement contributes to limiting the overall size of the hairdressing apparatus 1, in particular in the case where the electronic module 26 is designed to control the operation of the blower module 2 and / or of the heating element 16 and that the latter are arranged outside of the blowing head 3.
- blowing head 3 is mounted movable relative to the handle 4 and, in particular, in the case where the blowing head 3 is mounted movable in rotation relative to the handle 4 in accordance with the preferred embodiment illustrated in the figures, it can then prove difficult to ensure a simple and robust electrical connection between, on the one hand, the heating element 16 and / or the blower module 2 arranged outside of the blowing head 3 (or any other functional member of the hairdressing appliance 1 which would be connected to the electronic module 26 and which would be arranged outside the head of blowing 3) and, on the other hand, the electronic module 26 which is itself housed in the blowing head 3.
- blowing head 3 will then preferably be mounted mobile relative to the electronic module 26 housed therein, so that a displacement, a change of position, of the blowing head 3 relative to the handle 4 n ' not affect the respective position of the electronic module 26.
- a hairdressing apparatus comprising a manual grip handle, a blowing head connected to said handle and an electronic module, which electronic module is housed within said blowing head, which is itself mounted. mobile in relation to said electronic module, constitutes as such a separate invention in its own right, independently of the other characteristics described here.
- the electronic module 26 is thus advantageously housed and arranged within the blowing head 3 so as to remain stationary relative to the blowing module 2 and / or to the heating element 16 during the rotation of the blowing head 3 around the second axis B-B '.
- the nozzle body 22 can be provided with an additional orifice 28, which is opposite to the air inlet orifice through which the bent tubular element 24 of the deflector 23 enters the nozzle body 22.
- At the level of said additional orifice 28 is flush with or protrudes from the nozzle body 22 a portion of the bent tubular element 24 to which the electronic module 26 can be fixed, directly or by the 'through a specific support 29.
- the electronic module 26 could be mounted on the back of the bent tubular element 24 of the deflector 23.
- the electrical connection between the heating element 16 and / or the blower module 2 (or any other functional member of the hairdressing apparatus 1 which would be connected to the electronic module 26 and which would be arranged outside of the blowing head 3) and the electronic module 26 housed in the blowing head 3 can advantageously be produced very simply, using for example conventional electric conductor wires (not shown), without risk of damage to the electric wires by twisting or even without requiring the use of complex mobile electrical connection means (of the rotating connector connection type, for example).
- the manufacturing cost of the hairdressing appliance 1 is thus limited and its reliability increased.
- the electronic module 26 Being housed within the blowing head 3, and although preferably arranged outside the air flow circulating through the latter, the electronic module 26 is likely to see its temperature increase significantly when the air flow generated by the module blower 3 is heated by the heating element 16 before being blown out of the apparatus 1 by the blowing head 3. In addition, and even if the heating element 16 is not activated or the apparatus hairdressing does not include such a heating element, the electronic module 26 is likely, during its normal operation, to heat up by itself under the effect in particular of the electric current which crosses it. In all cases, this results in a high risk of malfunction, or even total failure, of the electronic module 26, if the temperature of the latter is not controlled and comes to exceed a certain tolerance threshold.
- the hairdressing apparatus 1 in accordance with the invention very advantageously comprises a bypass channel 30 which is designed to capture part of the air flow generated by the blower module 2 in order to ensure cooling of said electronic module 26.
- the bypass channel 30 is thus designed and configured to ensure the collection and diversion of part of the forced air flow produced by the blower module 2 - before said air flow does or, where appropriate, heated by the heating element 16 - in order to guide and blow the part of the air flow thus taken as close as possible to the electronic module 26 to ensure forced cooling of the latter.
- bypass channel 30 preferably extends at least partially in said sleeve 4.
- the bypass channel 30 is thus advantageously integrated into the handle 4.
- the hair styling device 1 can be designed so that the guide channel 7 and the bypass channel 30 extend parallel to the 'to one another within the handle 4, advantageously along the first axis AA' of extension of the latter.
- the bypass channel 30 of the hairdressing apparatus 1 advantageously opens out, on the one hand, at the level of the air outlet of the working chamber 11 of the module blower 2, to capture part of the air flow (fresh, that is to say not yet heated by the heating element 16) generated by the blower module 2 and, on the other hand, in the immediate vicinity of the electronic module 26 which is housed in the blowing head 3.
- said bypass channel 30 can be formed, along all or part of the length of the handle 4, by a free space formed between an interior wall of the assembly 4 and an exterior wall of the thermal insulator 18 tubular. Such a design also advantageously makes it possible to cool the handle 4, which improves the comfort of use of the hairdressing appliance 1.
- Said bypass channel 30 can advantageously extend, at the level of the blowing head 3, inside a double-walled wall 31 forming a back of the bent tubular element 24, then through the support 29, mentioned above, by means of which the electronic module 26 is advantageously fixed to the bent tubular element 24.
- the hairdressing apparatus 1 may comprise a circuit for reinjecting the part of the air flow captured in the air flow (main) blown by the blowing head 3, so that after having contributed to the cooling of the electronic module 26, the part of the air flow which has been captured by the bypass channel 30 can itself be blown towards the hair of the user via the air outlet (s) 19 , 20 of the blowing head 3.
- the cooling of the electronic module 26 does not substantially affect the flow rate of the air flow generated by the blowing module 2 and blown by the blowing head 3.
- the nozzle body 22 of the blowing head 3 may be provided with an orifice (not shown) for reinjection of the air flow portion captured directly inside the nozzle body 22, preferably in downstream of the bent tubular element 24 of the deflector 23.
- the outer casing 21 of the blowing head 3 can be provided with gills (or equivalent) by which all or part of the captured air flow part can escape out of the blowing head 3, and therefore outside the hairdressing appliance 1.
- the part of the air flow used to cool the electronic module 26 can be rejected towards the outside of the hairdressing appliance 1 without impacting (or at least without significantly impacting) the temperature of the airflow. (main) air blown by the blowing head 3 towards the user's hair.
- the bypass channel 30 is advantageously dimensioned as a function of the desired level of cooling, according to the temperature that the electronic module can effectively withstand 26.
- said bypass channel 30 can be dimensioned in order to allow the passage within it of a flow of air between 1 and 10 m 3 / h, to allow efficient cooling of the electronic module 26.
- bypass channel 30 of the air flow may be of different design and configuration than those described above, in particular according to the arrangement relative retained of the various components (blower module, electronic module, heating element, etc.) of the hairdressing apparatus and depending on whether the blowing head has or not a movable character relative to the handle.
- Such a bypass channel 30 thus allows particularly simple, efficient and very inexpensive cooling of the electronic module 26 without the need to resort to bulky complementary cooling means, whether passive (for example, of the radiator type). with fins) and / or active (for example, a fan type).
- the hairdressing apparatus 1 thus has high operating reliability, while being simple, compact and inexpensive in design.
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1874307A FR3091152B1 (fr) | 2018-12-28 | 2018-12-28 | Appareil de coiffure a module electronique refroidi |
| PCT/EP2019/087052 WO2020136228A1 (fr) | 2018-12-28 | 2019-12-26 | Appareil de coiffure a module electronique refroidi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3902441A1 true EP3902441A1 (fr) | 2021-11-03 |
| EP3902441B1 EP3902441B1 (fr) | 2024-03-13 |
Family
ID=66641121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19828790.6A Active EP3902441B1 (fr) | 2018-12-28 | 2019-12-26 | Appareil de coiffure a module electronique refroidi |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3902441B1 (fr) |
| CN (1) | CN111374427B (fr) |
| FR (1) | FR3091152B1 (fr) |
| WO (1) | WO2020136228A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114304856A (zh) * | 2020-09-30 | 2022-04-12 | 蓝海智能科技有限公司 | 一种吹风机手柄及吹风机 |
| CN114304851A (zh) * | 2020-09-30 | 2022-04-12 | 蓝海智能科技有限公司 | 一种设置于吹风机内部的降温隔层以及吹风机 |
| CN114304848A (zh) * | 2020-09-30 | 2022-04-12 | 蓝海智能科技有限公司 | 一种吹风机 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832706U (ja) * | 1981-08-27 | 1983-03-03 | 小原 良隆 | 頭髪用ドライヤ− |
| DE3729774A1 (de) * | 1987-09-05 | 1989-03-16 | Krups Stiftung | Elektrisch betriebener handhaartrockner |
| DE3903231A1 (de) * | 1989-02-03 | 1990-08-09 | Krups Stiftung | Elektrisch betriebener handhaartrockner |
| US6732449B2 (en) * | 2000-09-15 | 2004-05-11 | Walter Evanyk | Dryer/blower appliance with efficient waste heat dissipation |
| US20080116753A1 (en) * | 2006-11-17 | 2008-05-22 | Vito James Carlucci | Appliances with brushless motors |
| CN201328477Y (zh) * | 2008-11-24 | 2009-10-21 | 全洪云 | 高效静音的电吹风机 |
| GB2515815B (en) * | 2013-07-05 | 2015-12-02 | Dyson Technology Ltd | A hand held appliance |
| KR20160096888A (ko) * | 2015-02-06 | 2016-08-17 | 탁월한아이디어발전소 협동조합 | 헤어드라이기 |
| CN207506112U (zh) * | 2017-11-27 | 2018-06-19 | 吕璟赟 | 一种新型吹风机 |
-
2018
- 2018-12-28 FR FR1874307A patent/FR3091152B1/fr active Active
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2019
- 2019-12-26 CN CN201911366191.2A patent/CN111374427B/zh active Active
- 2019-12-26 EP EP19828790.6A patent/EP3902441B1/fr active Active
- 2019-12-26 WO PCT/EP2019/087052 patent/WO2020136228A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
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| CN111374427A (zh) | 2020-07-07 |
| CN111374427B (zh) | 2025-05-13 |
| EP3902441B1 (fr) | 2024-03-13 |
| WO2020136228A1 (fr) | 2020-07-02 |
| FR3091152B1 (fr) | 2021-10-15 |
| FR3091152A1 (fr) | 2020-07-03 |
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