Hair dryer attachment, hair dryer, hair treatment system and method of use thereof

Abstract

Hair dryer nozzle, hair dryer, hair treatment system and associated method of use The present invention relates to a nozzle (14) for a hair dryer comprising: - at least one electrical component (38, 42); - a connection device (40) comprising a mechanical connection member configured to removably cooperate with a complementary mechanical connection member of an air outlet end (30) of a body (20) of a hair dryer (12). The connection device (40) is configured to provide a complementary electrical connection between the at least one electrical component (38, 42) and an electrical power supply system (22) of the hair dryer (12). Figure for abstract: Figure 1

Description

Title of the invention: Hair dryer attachment, hair dryer, hair treatment system and method of use thereof

[0001] The present invention relates to a nozzle for a hair dryer, the nozzle comprising at least one electrical component and a connection device comprising a mechanical connecting member configured to removably cooperate with a complementary mechanical connecting member of an air outlet end of a hair dryer body.

[0002] To quickly dry wet hair, it is known to use a hair dryer blowing hot air.

[0003] In a known manner, a hair dryer comprises a motor generating an air flow, which can be heated by a heating element, for example resistive, then blown onto the hair.

[0004] However, such hair dryers are not entirely satisfactory.

[0005] In fact, only part of the heat from the hot air flow reaches the hair at dry, the remainder being absorbed by the surrounding air.

[0006] Traditional hair dryers therefore overheat the flow of blown air, which results in excess energy consumption.

[0007] There is therefore a need to improve the energy efficiency of such hair dryers.

[0008] Furthermore, prolonged exposure of the hair to a flow of air that is too hot damages it during drying, in particular by drying out the roots of the hair, which can, for example, cause breakage and / or dulling of the hair.

[0009] Furthermore, it may be desirable to combine hot air with other hair treatment energies, for example to protect said hair or to activate a cosmetic formulation.

[0010] Furthermore, it may be desirable to adapt the operating parameters of the hair dryer, for example to limit damage to the hair during drying.

[0011] An aim of the invention is then to propose a tip for a hair dryer allowing optimized use of the hair dryer.

[0012] For this purpose, the invention relates to a tip for a hair dryer, the tip comprising at least one electrical component and a connection device comprising a mechanical connection member configured to cooperate in a removable manner with a complementary mechanical connection member of an air outlet end of a hair dryer body. The connection device is configured to provide a complementary electrical connection between the at least one component electric and a power supply system for the hair dryer.

[0013] Thus, by ensuring an electrical connection of the tip to the hair dryer, it is possible to provide “active” tips capable of delivering a complementary treatment to the hair, for example by delivering additional energy to the hair during drying.

[0014] In a complementary or alternative manner, it is also possible to provide “passive” tips allowing the operating parameters of the hair dryer to be adapted.

[0015] The temperature of the hot air flow and also the operating time of the means for generating the hot air flow can thus be adapted. The energy efficiency of the hair dryers is therefore improved. Furthermore, the use of such a nozzle limits the deterioration of the hair during drying.

[0016] Furthermore, the electrical and mechanical connection of the nozzle to the hair dryer is easily achieved by the connection device.

[0017] In a particular embodiment of the invention, the at least one electrical component comprises a component for identifying the tip by the hair dryer.

[0018] The component for identifying the tip by the hair dryer allows the hair dryer, and in particular its control means, to identify the tip and therefore to adapt the operation of the hair dryer and possibly of the tip, for example by adapting the generation of the hot air flow to the presence of the tip.

[0019] In a particular embodiment of the invention, the identification component comprises a voltage divider bridge, a Hall effect sensor, an identification chip and / or a radio-identification antenna.

[0020] Such a tip detection device allows reliable detection by the hair dryer, while remaining easy to integrate into the tip.

[0021] In a particular embodiment of the invention, the at least one electrical component comprises an energy generation device.

[0022] Such an energy generating device makes it possible to deliver a complementary treatment to the hair.

[0023] In a particular embodiment of the invention, the energy generation device comprises a plasma generator.

[0024] In a particular embodiment of the invention, the plasma generator comprises a high-voltage electrode covered with a dielectric material.

[0025] The generation of a plasma generates a protective layer in the form of a plasma on the hair, thus protecting it from hot air and drying out. In addition, when applying a color, the dyes are made more available by the plasma, thus increasing their retention on the hair.

[0026] In a particular embodiment of the invention, the generation device energy comprises a device for emitting light of a predetermined wavelength, in particular infrared light.

[0027] Emitting light of a predetermined wavelength onto the hair provides additional heat to the hair, which dries it more quickly and / or activates a cosmetic formulation, while drying the hair.

[0028] In a particular embodiment of the invention, the mechanical connecting member of the connection device comprises at least two electrical connection pins (capable of being inserted and sliding in annular grooves provided in the air outlet end of the hair dryer body, each groove comprising an at least partially peripheral and preferably totally peripheral electrical track forming a closed loop; or the mechanical connecting member of the connection device comprises at least two annular grooves provided in the end piece, each groove comprising an at least partially peripheral and preferably totally peripheral electrical track forming a closed loop and being capable of cooperating with an electrical connection pin fixed to the air outlet end of the hair dryer body.

[0029] The cooperation of the electrical connection pins with the annular grooves makes it possible to simply carry out both mechanical and electrical connection of the nozzle to the hair dryer.

[0030] The invention also relates to a hair dryer comprising a body defining an air outlet end comprising a complementary mechanical connecting member, and an electrical power supply system. The complementary mechanical connecting member is configured to cooperate in a removably manner with a mechanical connecting member of a device for connecting a tip, so as to ensure a complementary electrical connection between at least one electrical component of the tip and the electrical power supply system of the hair dryer.

[0031] The invention also relates to a system for treating hair comprising: - a hair dryer comprising a body defining an air outlet end comprising a complementary mechanical connecting member, and an electrical power supply system; and - a tip as described previously.

[0032] The mechanical connecting member of the connection device of the tip is capable of cooperating in a removable manner with the complementary mechanical connecting member of the air outlet end of the hair dryer body and the connection device is configured to provide a complementary electrical connection between the at least one electrical component of the tip and the electrical power supply system of the hair dryer.

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[0043] In a particular embodiment of the invention, when the tip is fixed to the body by the connection device, the tip is movable in rotation relative to the body along an axis of rotation perpendicular to the air outlet end, the complementary electrical connection between the at least one electrical component of the tip and the electrical power supply system of the hair dryer is at least partially ensured during the rotation of said tip. The rotational mobility of the nozzle on the hair dryer allows the user to position the nozzle at a desired angular position. In a particular embodiment of the invention, the system further comprises a brush comprising a body intended to come into contact with the hair, the body comprising a first electrically conductive element. The first conductive element promotes the generation and stability of the plasma. In a particular embodiment of the invention, the brush comprises a gripping handle attached to the body of the brush, the gripping handle comprising a second electrically conductive element. The second conductive element allows the brush to be placed at the same electrical potential as the user. The invention also relates to a method of using a system for treating hair comprising the following steps: - provision of a system as described above, - mounting the nozzle on the air outlet end of the hair dryer body, - power supply of the at least one electrical component of the tip from the power supply system through the connection device. In a particular embodiment of the invention, the at least one electrical component comprises an energy generating device comprising a plasma generator, the method comprising generating a plasma by the plasma generator and applying the plasma to the hair. In a particular embodiment of the invention, the at least one electrical component comprises an identification component, the method comprising a step of identifying the tip and a step of adapting the operating parameters of the hair dryer according to the identified tip. The invention will appear more clearly on reading the description which follows, given solely as a non-limiting example, and made with reference to the appended drawings, in which: [Fig.l] [Fig.l] is a schematic side view of a system for drying hair comprising a hair dryer nozzle according to a first embodiment lization of the invention; and

[0044] [Fig.2] [Fig.2] is a schematic side view of a system for drying hair comprising a hair dryer attachment according to a second embodiment of the invention.

[0045] [Fig.l] illustrates a system 10 for treating hair comprising a hair dryer 12, a nozzle 14, and optionally a brush 16.

[0046] The system 10 is adapted for drying hair 18, in particular hair 18 of a user. By drying, we mean evaporating the water or liquid which covers said hair 18.

[0047] The hair dryer 12 comprises a body 20 and a power supply system 22.

[0048] Preferably, the hair dryer 12 also comprises a device 24 for generating a flow of hot air.

[0049] Advantageously, the hair dryer 12 also comprises a control unit 25.

[0050] The electrical power supply system 22 is for example a battery.

[0051] Alternatively, the electrical power supply system 22 is a wired connection to an electrical power supply network.

[0052] In particular, the electrical power supply system 22 is capable of delivering an alternating high voltage, preferably with a nominal voltage of between 1 kV and 20 kV.

[0053] The body 20 comprises for example a main part 26 for guiding an air flow and a gripping handle 28.

[0054] The main part 26 extends for example along a main axis A-A'.

[0055] As illustrated in [Fig.l], the main part 26 has for example a substantially cylindrical shape along the main axis A-A', and more particularly, perpendicular to the gripping handle 28.

[0056] The body 20 defines an air outlet end 30, comprising a complementary mechanical connecting member, and advantageously an outlet opening for the hot air flow.

[0057] The air outlet end 30 is advantageously defined in the main part 26 of the body 20 at a distance from the gripping handle 28.

[0058] More particularly, the air outlet end 30 extends perpendicular to the main axis A-A'.

[0059] Preferably, the air outlet end 30 has an annular shape, thus defining a substantially circular hot air flow outlet opening 31. The hot air flow outlet opening 31 has, for example, a diameter of between 4 cm and 12 cm.

[0060] Preferably, the body 20 also defines an air inlet end 32, advantageously comprising an air inlet opening configured to allow entry of outside air into the body 20.

[0061] Preferably, in the embodiment illustrated in [Fig.l], the complementary mechanical connecting member of the air outlet end 30 comprises at least two annular grooves 34 formed in the air outlet end 30, and preferably three or four annular grooves 34.

[0062] Advantageously, each groove 34 extends over the entire circumference of the air outlet end 30.

[0063] Each groove 34 comprises an electrical track 36A, 36B, 36C.

[0064] Advantageously, each electrical track 36A, 36B, 36C extends over the entirety of a bottom 35 of the groove 34.

[0065] Preferably, at least one of the electrical tracks 36A, 36B, and preferably two, are electrically connected to the electrical power supply system 22, for example by electrical wires as illustrated in [Fig.l].

[0066] More particularly, at least one of the electrical tracks 36A, 36B, and preferably two, are capable of transmitting a voltage supplied by the electrical power supply system 22.

[0067] Advantageously, the body 20 contains a transformer configured to increase the electrical voltage received from the electrical power supply system 22 and produce an alternating high voltage intended to be supplied to the end piece 14. The alternating high voltage is for example greater than 1 kV and in particular between 1 kV and 20 kV.

[0068] In the embodiment of [Fig.l], one of the electrical tracks 36C is electrically connected to an ohmmeter 37 configured to measure the voltage in said electrical track 36C. The ohmmeter 37 is advantageously connected to the control unit 25.

[0069] The device for generating the hot air flow 24 comprises, for example, a fan driven by a motor preferably configured to suck in air through the air inlet end 32. Furthermore, the device for generating the hot air flow 24 comprises a heating element, for example a resistive element, configured to heat the sucked in air so as to create a hot air flow capable of being blown through the air outlet end 30.

[0070] Advantageously, the device for generating the hot air flow 24 is electrically powered by the electrical power supply system 22.

[0071] The control unit 25 of the hair dryer 12 is configured to control the hot air flow generating device 24, for example the temperature and the blowing speed of the hot air.

[0072] The hair dryer nozzle 14 comprises at least one electrical component 38, 42, a connection device 40 of the tip 14 to the hair dryer 12 and advantageously a detection device 42 of the tip 14 by the hair dryer 12.

[0073] As illustrated in [Fig.l], the end piece 14 preferably has a hollow shape and advantageously defines a conduit 44 for circulating the hot air flow extending along an end piece axis B-B' between a first end 45 and a second end 47.

[0074] Preferably, the tip axis B-B' coincides with the main axis A-A' when the tip 14 is connected to the hair dryer 12.

[0075] Advantageously, the end piece 14 is convergent. Thus, the circulation conduit 44 converges from the first end 45 towards the second end 47.

[0076] Advantageously, when the tip 14 is fixed to the body 20 of the hair dryer 12 by the connection device 40, the tip 14 is movable in rotation relative to the body 20 along the main axis A-A'.

[0077] The connection device 40 comprises a mechanical connecting member capable of cooperating in a removable manner with the complementary mechanical connecting member of the air outlet end 30 of the body 20 of the hair dryer 12.

[0078] In particular, the cooperation of the mechanical connecting member of the connection device 40 of the tip 14 and the complementary mechanical connecting member of the air outlet end 30 of the body 20 of the hair dryer 12 mechanically connects the tip 14 in a detachable manner to the air outlet end 30 of the body 20 of the hair dryer 12.

[0079] Furthermore, the connection device 40 is configured to provide a complementary electrical connection between the or each electrical component 38, 42 of the tip 14 and the electrical power supply system 22 of the hair dryer 12.

[0080] Preferably, in the embodiment illustrated in [Fig.l], the mechanical connecting member of the connection device 40 comprises at least two electrical connection pins 48A, 48B, 48C capable of being inserted and sliding in one of the corresponding annular grooves 34 formed in the air outlet end 30 of the body 20 of the hair dryer 12.

[0081] Advantageously, the mechanical connecting member of the connection device 40 comprises the same number of electrical connection pins 48A, 48B, 48C as the complementary mechanical connecting member of the air outlet end 30 of the body 20 comprises annular grooves 34, for example three electrical connection pins 48A, 48B, 48C as illustrated in [Fig.l].

[0082] As illustrated in [Fig.l], the electrical connection pins 48A, 48B, 48C extend for example projecting from the first end 45 of the end piece 14.

[0083] Preferably, each electrical connection pin 48A, 48B, 48C is capable of snapping into the corresponding groove 34.

[0084] Advantageously, each electrical connection pin 48A, 48B, 48C is able to slide over the entire circumference of the corresponding groove 34, so as to allow the rotation of the tip 14 relative to the body 20 of the hair dryer 12, while at least partially ensuring the complementary electrical connection between the or each electrical component 38, 42 of the tip 14 and the electrical power supply system 22 of the hair dryer 12.

[0085] Preferably, the tip of each electrical connection pin 48A, 48B, 48C comes into contact with the electrical track 36A, 36B, 36C of the groove 34, so as to allow a selective electrical connection between said pin 48A, 48B, 48C of the tip 14 selectively with an electrical track 36A, 36B, 36C of the hair dryer body 20, and therefore with the electrical power supply system 22.

[0086] As illustrated in [Fig.l], at least one of the electrical connection pins 48A is advantageously electrically connected to the or each electrical component 38, 42, for example by means of an electrical wire.

[0087] The connection of said pin 48A to the electrical track 36A, 36B, 36C of the corresponding groove 34 thus allows a connection of the or each electrical component 38, 42 of the tip 14 to the electrical power supply system 22 of the hair dryer 12. More particularly, by this means, the electrical power supply system 22 is capable of supplying an alternating high voltage to the or each electrical component 38, 42 of the tip 14, preferably with a nominal voltage of between 1 kV and 20 kV.

[0088] Advantageously, the mechanical connecting member of the connection device 40 further comprises a magnet 50 capable of cooperating with a metal surface of the body 20.

[0089] In the embodiment illustrated in the Figures, the at least one electrical component comprises an identification component 42 and an energy generation device 38.

[0090] Alternatively, the at least one electrical component comprises only an identification component 42, thus defining a “passive” tip, or only an energy generation device 38, thus defining an “active” tip.

[0091] The identification component 42 is configured so that the tip 14 is identified by the hair dryer 12 when they are connected by the connection device 40.

[0092] In the embodiment of [Fig.l], the identification component 42 comprises a voltage divider bridge, in particular comprising a resistive component 52 electrically connected between two electrical connection pins 48B, 48C of the end piece 14.

[0093] In particular, in this embodiment, one of the electrical connection pins 48B, called the input pin, is configured to be supplied by a voltage input by the power supply system 22 of the body 20 when connecting the tip 14 with the hair dryer 12. The other of the electrical connection pins 48C, called the output pin, is configured to be connected to the electrical track 36C connected to the ohmmeter 37. The voltage measured by the ohmmeter 37 allows detection of the tip 14 connected by the hair dryer 12, and in particular by the control unit 25 of the hair dryer 12.

[0094] Advantageously, the resistance value of the resistive component 52 is specific to each tip 14, so that the voltage measured by the ohmmeter 37 is different depending on the tip 14 connected. The control unit 25 of the hair dryer 12 is thus able to identify which tip 14 is connected from among a plurality of known tips 14.

[0095] Alternatively or additionally, the identification component 42 comprises a Hall effect sensor, an identification chip and / or a radio-identification antenna, for example of the NFC (Near-Field Communication) type.

[0096] The energy generation device 38 is capable of delivering energy 46 to the hair 18 which is added to the thermal energy that the hair receives via the flow of hot air. Said energy 46 is adapted to act on the hair 18 and advantageously, allows, in addition to the flow of hot air, to dry the hair 18.

[0097] As illustrated in [Fig.l], the energy generation device 38 is for example a plasma generator.

[0098] Preferably, the plasma generator 38 comprises a high-voltage electrode 56 covered with a dielectric material 58.

[0099] The dielectric material 58 is, for example, a ceramic material or a plastic material.

[0100] The plasma generator 38 is capable of generating a plasma which is applied directly to the hair 18 in a first embodiment. In a second embodiment, the brush 16 can be used to distribute the plasma onto the hair 18.

[0101] The brush 16 comprises a body 60 and advantageously a gripping handle 62 fixed to the body 60.

[0102] The body 60 of the brush 16 is intended to come into contact with the hair 18 and defines for example a surface 61 for contact with the hair 18.

[0103] Preferably, as illustrated in [Fig.l], the body 60 of the brush 16 comprises teeth and / or spikes 64 extending in projection at least from said surface 61 of the body 60.

[0104] Advantageously, the body 60 of the brush 16 comprises a first electrically conductive element 66.

[0105] As illustrated in [Fig.l], the first electrically conductive element 66 is for example a metallic layer covering at least the contact surface 61.

[0106] Advantageously, the gripping handle 62 of the brush 16 comprises a second electrically conductive element 68.

[0107] As illustrated in [Fig.l], the second electrically conductive element 68 is for example a metallic layer in contact with the first electrically conductive element 66.

[0108] The first electrically conductive element 66 and / or the second electrically conductive element 68 are for example made of aluminum.

[0109] An example method of using such a system 10 for treating hair will now be described.

[0110] A system 10 for drying hair comprising a hair dryer 12 and a nozzle 14 as described above is first provided.

[0111] The tip 14 is then fixed to the air outlet end 30 of the body 20 of the hair dryer 12 by means of the connection device 40.

[0112] In particular, in the embodiment illustrated in [Fig.l], the connection pins 48A, 48B, 48C of the tip 14 are inserted into the annular grooves 34 of the body 20 of the hair dryer 12.

[0113] The user can then position the tip 14 according to a desired angular position by sliding the connection pins 48A, 48B, 48C in the annular grooves 34.

[0114] Following this connection, the electrical power supply system 22 electrically supplies the at least one electrical component 38, 42 of the end piece 14.

[0115] More precisely, the electrical power supply system 22 provides, advantageously after passing through the transformer, an alternating high voltage to the or each electrical component 38, 42 of the end piece 14, preferably with a nominal voltage of between 1 kV and 20 kV.

[0116] In the embodiment of [Fig.l] in which the tip 14 comprises an identification component 42, the hair dryer 12 identifies the tip 14.

[0117] More specifically, the power supply system 22 of the body 20 of the hair dryer 12 supplies voltage to the electrical connection pin 48B connected both to the resistive component 52 and to the corresponding electrical track 36B connected to the power supply 22.

[0118] The ohmmeter 37 then measures the voltage at the output of the electrical connection pin 48C to which it is connected by the corresponding electrical track 36C and preferably communicates it to the control unit 25.

[0119] Since the output voltage is different from that supplied by the electrical power supply system 22 of the hair dryer 12, the control means 25 thus identifies that the tip 14 is connected.

[0120] Following this step of identifying the tip 14, the method comprises a step of adapting the operating parameters of the hair dryer 12.

[0121] More precisely, the control unit 25 determines, as a function of the tip 14 identified, the operating parameters of the hair dryer 12, such as for example the generation temperature of the hot air flow.

[0122] Optionally, the user grasps the brush 16, isolates a portion of the hair 18 using the brush 16, and in particular using the teeth and / or spikes 64 of the brush 16. The user then positions them near the second end 47 of the tip 14.

[0123] Following the command from the control unit 25, the device for generating a flow of hot air 24 is activated so as to generate a flow of hot air at the determined control temperature.

[0124] In particular, the generated hot air flow is blown at the air outlet end 30 of the hair dryer 12, then passes through the conduit 44 provided in the nozzle 14, then is blown towards the hair 18 by the second end 47 of the nozzle 14.

[0125] In the embodiment of [Fig.l] in which the tip 14 also comprises an energy generating device 38, the energy generating device 38 delivers in parallel additional energy to the hair 18, preferably also having the effect of drying the hair.

[0126] For example, in the embodiment of [Fig.l], the energy generating device 38 generates a plasma on the hair 18.

[0127] Preferably, the plasma is generated on the hair 18 caught between the contact surface 61 of the body 60 of the brush 16 and the tip 14.

[0128] Advantageously, the first conductive element 66 acts as a counter-electrode with respect to the electrode 56 of the energy generation device 38, and thus makes it possible to promote the generation and stability of the plasma between the electrode 56 and the counter-electrode.

[0129] Such a tip 14 for a hair dryer 12 thus delivers additional energy to the hair 18 during drying, which makes it possible to deliver an additional treatment to the hair during drying and / or to be identified by the hair dryer so as to adapt the operating parameters of the hair dryer.

[0130] The temperature of the hot air flow and also the operating time of the hot air flow generating device 24 can thus be adapted, which avoids, for example, damaging the hair by applying too much thermal energy.

[0131] Furthermore, in the embodiment of [Fig.l], the plasma makes it possible to define a protective layer on the hair 18, thus protecting it from hot air and des- dryly.

[0132] The use of such a tip 14 further limits the deterioration of the hair during drying.

[0133] Furthermore, the electrical and mechanical connection of the tip 14 to the hair dryer 12 is easily achieved by the connection device 40.

[0134] Variants of the invention will now be described. Only the characteristics differing from the characteristics of the previously described embodiment will be described subsequently.

[0135] In a variant of the invention not illustrated, the mechanical connecting member of the connection device 40 does not comprise connecting pins, but comprises at least two annular grooves arranged in the end piece 14, and in particular on the first end 45 of said end piece 14. Each groove comprises an electrical track and is capable of cooperating with an electrical connecting pin fixed to the air outlet end 30 of the body 20 of the hair dryer 12. In this variant, the complementary mechanical connecting member of the air outlet end 30 of the body 20 comprises at least two electrical connecting pins.

[0136] In a second embodiment of the invention illustrated in [Fig.2], the energy generation device 38 is not a plasma generator, but a device for emitting light of a predetermined wavelength.

[0137] For example, the energy generation device 38 is a device for emitting infrared light, in particular with a wavelength of 780 nm to 1 mm.

[0138] The emission of infrared light thus provides additional heat to the hair, and therefore dries it more quickly.

[0139] Alternatively, the predetermined wavelength is chosen so as to activate a cosmetic formulation on the hair, for example a hair coloring and / or care formulation.

[0140] According to another example, the energy generation device 38 is a microcurrent, radiofrequency or ultrasound emission device.

[0141] In yet another variant, a plurality of energy generating devices 38 are carried by the tip 14, chosen from a plasma generator, a light, microcurrent, radiofrequency or ultrasound emitting device.

[0142] In another variant, the end piece 14 carries a transformer configured to increase the electrical voltage received by the connection device 40 of the electrical power supply system 22 and provide an alternating high voltage to the or each electrical component 38, 42.

[0143] In another embodiment of the invention, each electrical track 36A, 36B, 36C does not extend over the entire bottom 35 of the groove 34, but only over one portion or a plurality of non-adjacent portions of the bottom 35 of the groove 34. A rotation of the tip 14 relative to the body 20 of the hair dryer 12 thus causes an interruption of the complementary electrical connection between the at least one electrical component 38, 42 and an electrical power supply system 22 of the hair dryer 12, which makes it possible, for example, to turn off the electrical component 38, 42 and / or to adapt the operating parameters by rotation.

Claims

Claims

1. Tip (14) for a hair dryer comprising: • at least one electrical component (38, 42); • a connection device (40) comprising a mechanical connection member configured to cooperate in a removable manner with a complementary mechanical connection member of an air outlet end (30) of a body (20) of a hair dryer (12); characterized in that the connection device (40) is configured to provide a complementary electrical connection between the at least one electrical component (38, 42) and an electrical power supply system (22) of the hair dryer (12).

2. Tip (14) according to claim 1, wherein the at least one electrical component (42) comprises a component for identifying the tip (14) by the hair dryer (12).

3. The tip (14) of claim 2, wherein the identification component (42) comprises a voltage divider bridge, a Hall effect sensor, an identification chip and / or a radio-identification antenna.

4. A tip (14) according to any preceding claim, wherein the at least one electrical component (38) comprises a power generating device.

5. The tip (14) of claim 4, wherein the energy generating device (38) comprises a plasma generator.

6. The tip (14) of claim 5, wherein the plasma generator comprises a high-voltage electrode (56) covered with a dielectric material (58).

7. A tip (14) according to any one of claims 4 to 6, wherein the energy generating device (38) comprises a device for emitting light of a predetermined wavelength, in particular infrared light.

8. End piece (14) according to any one of the preceding claims, in which the mechanical connecting member of the connection device (40) comprises at least two electrical connection pins (48A, 48B, 48C) capable of being inserted and sliding in annular grooves (34) formed in the air outlet end (30) of the body (20) of the hair dryer (12), each groove (34) comprising an electrical track (36A, 36B, 36C) at least partially peripheral and preferably totally peripheral forming a closed loop; or the mechanical connecting member of the connection device (40) comprises at least two annular grooves formed in the end piece (14), each groove comprising an electrical track at least partially peripheral and preferably totally peripheral forming a closed loop and being capable of cooperating with an electrical connection pin fixed to the air outlet end (30) of the body (20) of the hair dryer (12).

9. Hair dryer (12) comprising: - a body (20) defining an air outlet end (30) comprising a complementary mechanical connecting member (34), and - an electrical power supply system (22); characterized in that the complementary mechanical connecting member (34) is configured to cooperate in a removable manner with a mechanical connecting member of a connection device (40) of a tip (14), so as to ensure a complementary electrical connection between at least one electrical component (38, 42) of the tip (14) and the electrical power supply system (22) of the hair dryer (12).

10. A system (10) for treating hair comprising: - a hair dryer (12) comprising: • a body (20) defining an air outlet end (30) comprising a complementary mechanical connecting member (34), and • an electrical power supply system (22); and - a tip (14) according to any one of claims 1 to 8, the mechanical connecting member of the connection device (40) of the end piece (14) being capable of cooperating in a removable manner with the complementary mechanical connecting member (34) of the outlet end air (30) of the body (20) of the hair dryer (12) and the connection device (40) being configured to provide a complementary electrical connection between the at least one electrical component (38, 42) of the tip (14) and the electrical power supply system (22) of the hair dryer (12).

11. System (10) according to claim 10, wherein when the tip (14) is fixed on the body (20) by the connection device (40), the tip (14) is movable in rotation relative to the body (20) along an axis of rotation (A-A') perpendicular to the air outlet end (30), the complementary electrical connection between the at least one electrical component (38, 42) of the tip (14) and the electrical power supply system (22) of the hair dryer (12) being at least partially ensured during the rotation of said tip (14).

12. The system (10) of claim 10 or 11, further comprising a brush (16) comprising a body (60) for contacting the hair (18), the body (60) comprising a first electrically conductive element (66).

13. The system (10) of claim 12, wherein the brush (16) comprises a gripping handle (62) attached to the body (60) of the brush (16), the gripping handle (62) comprising a second electrically conductive member (68).

14. A method of using a system (10) for treating hair comprising the following steps: - providing a system according to any one of claims 10 to 13, - mounting the nozzle (14) on the air outlet end (30) of the body (20) of the hair dryer (12), - supplying electricity to the at least one electrical component (38, 42) of the nozzle (14) from the power supply system (22) through the connection device (40).

15. The method of claim 14, wherein the at least one electrical component (38, 42) comprises an energy generating device (38) comprising a plasma generator, the method comprising generating a plasma by the plasma generator and applying the plasma to the hair (18).

16. A method according to claim 14 or 15, wherein the at least one electrical component (42) comprises an identification component, the method comprising a step of identifying the tip (14) and a step of adapting the operating parameters of the hair dryer (12) according to the identified tip (14).

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