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EP2037770A2 - Appareil de soin du cheveu à dispositif d'ionisation - Google Patents

Appareil de soin du cheveu à dispositif d'ionisation

Info

Publication number
EP2037770A2
EP2037770A2 EP07725463A EP07725463A EP2037770A2 EP 2037770 A2 EP2037770 A2 EP 2037770A2 EP 07725463 A EP07725463 A EP 07725463A EP 07725463 A EP07725463 A EP 07725463A EP 2037770 A2 EP2037770 A2 EP 2037770A2
Authority
EP
European Patent Office
Prior art keywords
ionization
electrode
hair care
care appliance
appliance according
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
Application number
EP07725463A
Other languages
German (de)
English (en)
Other versions
EP2037770B1 (fr
Inventor
Jürgen SENG
Olaf SÖRENSEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
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 Braun GmbH filed Critical Braun GmbH
Priority to PL07725463T priority Critical patent/PL2037770T3/pl
Publication of EP2037770A2 publication Critical patent/EP2037770A2/fr
Application granted granted Critical
Publication of EP2037770B1 publication Critical patent/EP2037770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2002/003—Appliances for hair dressing treatment not otherwise provided for
    • 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
    • A45D2200/202—Ionisation

Definitions

  • the present invention relates to a hair care device having at least one ionization device for the electrostatic discharge of hair.
  • the ionization device in this case comprises a high-voltage circuit formed by a pulse generator circuit which feeds an ionization electrode located in an end region of a hot air line.
  • DE 103 51 265 A1 discloses an ionization device in which the ionization electrode is formed in one piece from the electrical conductor which conductively connects the ionization device to a high-voltage source.
  • US 5,612,849 A describes a hair dryer with an ion source which adds ions to an air stream flowing from an air outlet.
  • a punctiform ion source such as a needle, is arranged adjacent or in the center of an air outlet. This has concentric guides and a concave reflector, which is arranged behind the ion source.
  • DE 20 2004 003 593 U1 describes an application handle for screwing hair curlers with an ion-emitting electrode which, with regard to the arrangement of its ion-emitting end for emitting ions, is formed directly on the hair wound in a hair curler held by the application handle.
  • the aforementioned, trained with an ionization device hair care equipment is based on the common problem that for the transport of ions to the neutralizing hair is always a carrier medium, such as a stream of air, is required. This necessarily forces the ionisation device to be arranged in an air flow or in the immediate vicinity of an air flow. On the one hand, this limits the design freedom of the hair care appliance and, on the other hand, the field of application of such ionization appliances is limited to those hair care appliances which generate an air flow.
  • the ionisation tips are mostly produced from needles or bent metal sheets which have tips which have an electric field concentrating effect not only in the direction of ion flow but also in many other directions.
  • the high-voltage source in order to provide a high voltage at the ionisation tip which is sufficient for the ionization, the high-voltage source must be dimensioned correspondingly large in such arrangements.
  • the ionization device known from DE 20 2004 003 593 U1 is designed specifically for the delivery of ions directly onto the hair wrapped around a hair curler.
  • the hair or hair tufts to be acted upon with ions must in this case be arranged in the immediate vicinity of the ion-emitting electrode. task
  • the present invention has the object to provide a hair care device with an improved ionization device in terms of efficiency, efficiency, manufacturing costs and material costs available. Furthermore, the invention aims to to create a wider scope for ionization sources. In particular, an efficient and far-reaching ion propagation even without a carrier medium or air flow and also the use of high voltage sources with small dimensions and low energy consumption will be made possible.
  • the hair-care appliance according to the invention has at least one ionization device for generating an air ionization and a high-voltage source which is connected to the ionization device by means of at least one electrical conductor.
  • the free end of the conductor is formed as an ionization electrode and has for this purpose at least one pointed area.
  • the invention is characterized in particular by the fact that the ionization electrode is arranged inside a sleeve-like ionization chamber open towards one side.
  • the open side or the region of the ionization chamber formed as an opening allows unimpeded leakage of ions formed within the ionization chamber at the ionization electrode.
  • no objects such as, for example, an insulation grid and securing grid, cover the opening of the ionization chamber.
  • the ions formed on the ionization electrode emerge from the ionization chamber solely by electrostatically induced effects and preferably spread out to form a large-volume ion cloud.
  • the ionization device according to the invention allows an autonomous and large-area spreading of an ion cloud, can be dispensed with an air flow as a carrier medium for the ions generated, whereby the ionization device can be used more versatile and universal overall.
  • the hair care device thus comprises all hair driers and hair styling devices, such as Straightener or Curler and is not limited to such, an air flow generating devices.
  • a counterelectrode is provided at a distance from the ionization electrode.
  • the ion cloud emerging from the ionization chamber can be purposefully influenced and controlled.
  • the amount, the propagation direction and the propagation velocity of the ions generated within the ionization chamber can be controlled and controlled.
  • the counterelectrode is arranged outside the ionization chamber.
  • the counterelectrode preferably comes to lie on the open side of the ionization chamber, so that the ions which can be generated by the ionization tip move in the direction of the counterelectrode on exiting the ionization chamber.
  • the counter electrode has a substantially plate-like geometry or a substantially rectilinear course.
  • the two electrodes, counter electrode and ionization electrode are in particular asymmetrical.
  • the ionization electrode preferably has a radius of curvature of less than 3 mm and is in particular round or cylindrical in section.
  • the counter electrode is plate-like, flat and / or formed with a radius of curvature greater than 1 cm.
  • the counterelectrode is arranged radially and / or axially offset with respect to the ionization electrode in relation to the geometry of the ionization chamber.
  • the relative positioning, the mutual alignment and the distance between the two electrodes, ionization electrode and counter electrode is of great importance for the generation of the ion cloud and for the efficiency of the entire ionization device.
  • the parameters which relate to the geometry of the ionization chamber, the relative orientation and arrangement of the electrodes are preferably optimized and matched to one another in such a way that a maximum of ions can be generated at a predetermined voltage value between ionization electrode and counterelectrode.
  • the ionization electrode is arranged approximately centrally within the ionization chamber.
  • the tip region of the ionization electrode extends essentially in the axial direction of the ionization chamber.
  • the ionization electrode or its free end tapering at least in regions is preferably oriented parallel to the direction of the resulting ion current or the propagation direction of the ion cloud.
  • the ionization electrode comes to lie in the axial direction of the ionization chamber in the region of the opening of the ionization chamber.
  • an arrangement of the ionization electrode is such that its free end also extends beyond the edge of the ionization chamber.
  • the free end of the ionization electrode is arranged inside the ionization chamber and set back from the edge of the ionization chamber.
  • Other intermediate embodiments, such as a flush arrangement of the ionization electrode to the edge of the ionization chamber are also conceivable.
  • the axial positioning of the ionization electrode with respect to the geometry of the ionization chamber is of fundamental importance for the formation of the largest possible ion cloud.
  • the ionization chamber is cylindrical.
  • An alternative embodiment of the ionization chamber has an elliptical cross section with two axes of symmetry. Such symmetrical geometries of the ionization chamber, as well as the cylindrical configuration for the formation of a homogeneous cloud of ionized air molecules of advantage. According to a further preferred embodiment it is provided that the electrical conductor between the high voltage source and ionization device, respectively ionization electrode is formed as a continuous and insulated high voltage cable.
  • the hair-care appliance has a plurality of ionization devices arranged spatially separated from each other, a separate high-voltage cable is provided for each ionization electrode, so that high-voltage cables between the high-voltage source and the ionization devices can be avoided except for the branching.
  • the electrodes of the ionization devices are connected without interruption and without further connecting means directly to the high voltage source. Edges, steps or the like, which would result in the transition of a separate metal electrode to the connecting cable are bypassed by the formation of a continuous connection. The field concentrations associated with such edges or steps and the associated efficiency loss for the ion discharge can thus be avoided in a simple manner.
  • the tip portion of the ionisation electrode is formed by cutting.
  • an oblique section of the free end of the electrical conductor connected to the high voltage source is provided.
  • the electrical conductor is designed as a stranded cable and the ionization electrode has a plurality of spaced-apart and / or diverging pointed areas. These are then designed as strand or wire ends. In this way, the ion output can be increased.
  • the stranded or wire ends can in this case be arranged both radially and axially offset from one another.
  • the oblique section for forming a tip of the ionization electrode is preferably carried out at an angle of 30 ° to 70 °, preferably approximately 45 ° to 60 ° to the conductor direction, so that a tip of the ionization electrode of about 20 ° to about 60 °, preferably about 30 ° is formed to 45 ° to the conductor direction.
  • the high voltage source has an open circuit voltage of 2 kV to 7 kV, wherein its internal resistance is preferably 5 to 30 megohms, in particular 10 megohms. This high internal resistance ensures that a sufficiently low short-circuit current is achieved.
  • the high voltage source, the electrode and the electrical conductor are formed such that at the electrode a negative high voltage of 2.5 kV to 6 kV, measured against 1 gigaohm of the measuring device.
  • a low parallel impedance would be disadvantageous because it would form a voltage divider with the internal resistance of the high voltage source. This would mean that a high voltage drop occurs at the internal resistance of the high voltage source, which is not usable for ionization.
  • the useful voltage at the electrode is almost the open circuit voltage of the high voltage source by the electrode formation according to the invention.
  • the diameter of the ionization chamber is in the range between 3 mm and 10 mm.
  • the ionization electrode can be arranged in a region by protruding up to 2 mm from the edge of the ionization chamber or by being set back up to 6 mm from the edge of the ionization chamber.
  • the strand diameter of the cables can range from 2.5 mm to 0.05 mm. It is preferably between 0.15 mm and 0.3 mm.
  • the electrical conductor may itself consist of copper, nickel silver or other comparable conductive alloys or metals.
  • carbon fibers can be used which have a strand diameter in the range greater than 3 microns.
  • the counterelectrode is arranged spaced apart in the axial direction between 5 mm to 20 mm from the ionization electrode.
  • the invention is not limited to a single hair care device, but can be universally applied to a variety of different hair care devices, such as curlers, curling irons, straighteners or curlers. Further fields of use are, for example, hair stylers, hair brushes and drying hoods or hair driers.
  • a use in air conditioners, humidifiers, air conditioners and the like is in principle conceivable.
  • Figure 1 is a schematic representation of the ionization in the
  • FIG. 2 shows a schematic representation of the hair care device with an ionization device
  • FIG. 3 shows a representation of a hair care device according to FIG. 2 with a further ionization device
  • FIG. 4 shows a schematic representation of the ionization device according to FIG. 1 in cross section
  • FIG. 5 shows an elliptical ionization chamber in cross section
  • FIG. 6 a representation of the electrode
  • FIG. 7 - FIG. 11 Variants of the electrode
  • FIG. 12 shows a representation of a section region of the electrode
  • FIG. 13 shows a circuit diagram of the ionization device with a parallel one
  • Capacitance and a parallel resistor where in addition an ineffective ion flow (upward arrow) is shown.
  • FIG. 1 shows a schematic representation of the ionization device 17 in a longitudinal cross section.
  • the cylindrically formed ionization chamber 34 can be integrated into a housing of a hair care device 10 in almost any desired manner.
  • the ionization chamber 34 is flush with its open area integrated into a housing wall.
  • the tapered section of an electrical conductor 15 tapered electrode 12 is arranged centrally within the ionization chamber 34.
  • the high voltage cable 13 is enclosed in a bearing 16, which may be formed, for example, as an aluminum sleeve or even of insulating material, for example in the form of a silicone tube or a plastic sleeve.
  • a bearing 16 which may be formed, for example, as an aluminum sleeve or even of insulating material, for example in the form of a silicone tube or a plastic sleeve.
  • Plastic materials are in particular PBT, polyamide, polyurethane, ABS and PC in question.
  • the counter-electrode 20 is formed asymmetrically to the ionization electrode 12 and therefore has a plate-like, but at least substantially rectilinear geometry. It is arranged both outside the ionization chamber 34 and radially and axially offset from the ionisation 12.
  • the diameter 28 of the exit channel for the ions should be in a range between 3 mm and 10 mm.
  • the distance 22 between the free end of the counter electrode 20 and the tapered end of the ionization electrode 12 is to be selected in a range between 5 mm and 20 mm.
  • the supernatant 24 of the insulated area 13 of the electrical conductor 15 from the bearing 16 should be in a range of 0.5 to 5 mm.
  • the axial extent of the stripped region 32 of the free conductor end 15 is in a range of 1 mm to 5 mm.
  • the distance 30 between the tip of the ionization electrode and the edge of the ionization chamber 34 is in a range of -2 mm to 6 mm.
  • the negative indication here means that the tip of the ionization electrode 12 can not only be located within the ionization chamber 34, but can also be arranged slightly protruding from the edge of the chamber.
  • the radial distance 26 between the ionization electrode 12 and the inner wall of the ionization chamber 34 is in this embodiment in a range of 0.5 to 6 mm.
  • the high-voltage source 11 is electrically conductively connected to the ionization apparatus via an uninterrupted high-voltage cable 13.
  • the high-voltage source which may be designed in particular as a transformer, is designed to form a preferably negative high voltage of at least 2 kV and less than 6 kV, in particular less than 5 kV (each measured with 1 gigaohm of the measuring device at the electrode tip). Such a dimensioning of the high voltage source is made possible in particular by the one-piece design of the electrode 12 and the electrical conductor 15.
  • a plurality of ionization devices are provided on the hair-care appliance 10, they are preferably electrically conductively connected to the high-voltage source 11 with separate cables 13 or provided with a connection point suitable for high-voltage purposes.
  • This type of connection serves to avoid other branches of the high-voltage cable 13, so that the electrical conductor ultimately has no solder joints, rivet joints or the like joints, which would lead to a field concentration and thus to a reduction of the ion output due to edges or steps.
  • FIGS. 4 and 5 each show an embodiment of an ionization chamber 34, 38 in cross-section.
  • the ionization chamber 34 has a radially symmetric cross-section and thus a cylindrical geometry
  • the ionization chamber 38 has an elliptical cross-sectional profile.
  • the ionisation electrode 12 is mounted centrally in the ionization chamber 34, 38, which is intended to achieve the most homogeneous possible propagation of the producible ion cloud.
  • FIG. 6 illustrates the integral formation of the ionization electrode 12 and the electrical conductor 15.
  • the free, stripped end of the cable 13 is accordingly the electrode 12 itself.
  • the electrode 12 is held directly and preferably only by the cable 13. This is attached according to Figure 1 with its isolated area on the sleeve-like holding element 16 within the ionization chamber 34.
  • the conductor 15 is cut off obliquely, so that a tip 18 of preferably about 20 ° to 60 °, preferably about 30 ° to 45 ° is formed.
  • the conductor can also be trimmed several times at an angle from several sides so that the tip 18 is in the middle of the conductor.
  • the conductor cross section of the electrode 12 is stripped off, preferably about 0.8 mm to 2 mm.
  • the conductor 15 or the electrode 12 may comprise a single wire, as shown in FIG. 7, or consist of strands with a plurality of wires, as illustrated in FIG.
  • a multi-core cable with a plurality of insulated conductors or even a multi-core stranded cable can be used (see Figure 9 to Figure 11).
  • the conductor end can be fanned out radially outward, as shown in FIG. 9 or, for example, cut obliquely and bent in a preferred direction, as FIG. 10 shows.
  • the individual wire ends preferably designed as strands, then lie one behind the other and next to each other. It is advantageous that a plurality of pointed areas 18a, 18b, 18c, etc. are present. Preferably, the tips are arranged in the direction of action to the hair and in the direction of the ion ejection.
  • a low-power high voltage generator with lower voltage and / or lower current can be used.
  • the internal resistance of the high voltage source or the resistance of the entire arrangement meets the requirements for a protective insulation according to IEC 335.
  • two independent resistors are provided for realizing such a protective impedance.
  • the tip 18 of the ionization electrode is formed by ultrasonic welding or by spark erosion.
  • the conductor end or the electrode can be squeezed, pulled or formed from a predetermined breaking point, so that field concentration points arise in the desired manner.

Landscapes

  • Cleaning And Drying Hair (AREA)
  • Electrotherapy Devices (AREA)
  • Elimination Of Static Electricity (AREA)

Abstract

L'invention concerne un appareil de soin du cheveu comprenant au moins un dispositif d'ionisation (17) pour produire une ionisation de l'air. L'appareil comporte une source de haute tension (11) et au moins un conducteur électrique (15) qui connecte ledit ou lesdits dispositifs d'ionisation (17) à la source de haute tension. L'extrémité libre du conducteur (15) sert d'électrode d'ionisation (12) qui comporte au moins une zone pointue (18). L'électrode d'ionisation (12) est disposée à l'intérieur d'une chambre d'ionisation (34 ; 38) en forme de coque et ouverte vers un côté.
EP07725463.9A 2006-05-24 2007-05-23 Appareil de soin du cheveu à dispositif d'ionisation Active EP2037770B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07725463T PL2037770T3 (pl) 2006-05-24 2007-05-23 Urządzenie do pielęgnacji włosów z jonizatorem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006024319A DE102006024319A1 (de) 2006-05-24 2006-05-24 Haarpflegegerät mit Ionisationsvorrichtung
PCT/EP2007/004563 WO2007134848A2 (fr) 2006-05-24 2007-05-23 Appareil de soin du cheveu à dispositif d'ionisation

Publications (2)

Publication Number Publication Date
EP2037770A2 true EP2037770A2 (fr) 2009-03-25
EP2037770B1 EP2037770B1 (fr) 2016-11-09

Family

ID=38477065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07725463.9A Active EP2037770B1 (fr) 2006-05-24 2007-05-23 Appareil de soin du cheveu à dispositif d'ionisation

Country Status (7)

Country Link
US (1) US8424218B2 (fr)
EP (1) EP2037770B1 (fr)
CN (1) CN101453921B (fr)
DE (1) DE102006024319A1 (fr)
PL (1) PL2037770T3 (fr)
RU (1) RU2411889C2 (fr)
WO (1) WO2007134848A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024319A1 (de) * 2006-05-24 2007-11-29 Braun Gmbh Haarpflegegerät mit Ionisationsvorrichtung
US10147604B2 (en) 2009-10-27 2018-12-04 International Business Machines Corporation Aqueous-based method of forming semiconductor film and photovoltaic device including the film
WO2014006365A1 (fr) * 2012-07-04 2014-01-09 Dyson Technology Limited Attache pour un appareil portable
CN110506453B (zh) * 2017-04-04 2022-02-01 株式会社富士 等离子体发生装置
FR3133762B1 (fr) * 2022-03-22 2024-03-08 Mondin Jean Daniel Procédé de soins capillaires et appareil pour sa mise en œuvre

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Also Published As

Publication number Publication date
CN101453921B (zh) 2011-12-21
PL2037770T3 (pl) 2017-05-31
US8424218B2 (en) 2013-04-23
RU2008151141A (ru) 2010-06-27
DE102006024319A1 (de) 2007-11-29
CN101453921A (zh) 2009-06-10
WO2007134848A3 (fr) 2008-03-27
EP2037770B1 (fr) 2016-11-09
US20100282270A1 (en) 2010-11-11
WO2007134848A2 (fr) 2007-11-29
RU2411889C2 (ru) 2011-02-20

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