EP2713807B1 - Dispositif de production de décharges électriques de faible énergie, en particulier pour éliminer des poux - Google Patents

Dispositif de production de décharges électriques de faible énergie, en particulier pour éliminer des poux Download PDF

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Publication number
EP2713807B1
EP2713807B1 EP12729893.3A EP12729893A EP2713807B1 EP 2713807 B1 EP2713807 B1 EP 2713807B1 EP 12729893 A EP12729893 A EP 12729893A EP 2713807 B1 EP2713807 B1 EP 2713807B1
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EP
European Patent Office
Prior art keywords
electrode bodies
high voltage
electrode
voltage source
output
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EP12729893.3A
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German (de)
English (en)
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EP2713807A1 (fr
Inventor
Wolfgang Viöl
Stephan Wieneke
Claudia Strauss
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Hochschule fuer Angewandte Wissenschaft und Kunst Hildesheim Holzminden Gottingen
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Hochschule fuer Angewandte Wissenschaft und Kunst Hildesheim Holzminden Gottingen
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    • 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
    • A45D24/00—Hair combs for care of the hair; Accessories therefor
    • A45D24/30—Combs specially adapted for removing dirt or grease

Definitions

  • the invention relates to a device for generating dielectrically impeded electrical discharges, comprising an AC high voltage source, a plurality of extended to a first output of the AC high voltage source stretched first electrode body made of metal and a plurality of second output of the AC high voltage source stretched second electrode body made of metal.
  • An alternating high voltage source in this specification and the appended claims is understood to mean any high voltage source which provides a high voltage with such a time characteristic that the high voltage can cause successive dielectrically impeded electrical discharges. With constant DC voltages this is not possible, with clocked or chopped DC voltages or successive voltage pulses of the same polarity but quite. Insofar as this is not explicitly stated below, the use of the term AC high voltage source and also the term AC high voltage therefore does not mean in particular that it necessarily provides or is a high voltage with alternating polarity.
  • High voltages which are caused by the alternating high voltage source on the electrode bodies with respect to ground or with respect to one or more counterelectrodes, lead to electrical discharges in air or other ambient gases or also over more or less conductive objects.
  • the present invention relates to such devices, in which the energy of these electrical discharges is limited by dielectric obstruction, so that the electrical discharges on the surface of biological materials, such as human skin, without irritation or even tissue damage can be caused by the flowing electrical currents.
  • the invention relates to such a device in which the electrical discharges to kill parasites, such as hair lice and their preforms, d. H. Nits and larvae are caused at or near the human scalp. That is, although the electrical discharges are so limited in their energy that they neither irritate nor damage the scalp, the electrical discharges should be sufficient to kill parasites through which the electrical discharges occur.
  • a device of the type described above is known from DE 10 2009 045 498 A1 known.
  • This device is specifically designed to kill parasites and their preforms on filamentous material and, in addition to an alternating high voltage source, has a comb comprising two sets of mutually adjacent metal prongs.
  • the tines of each of the two groups are each directly connected to one of two outputs of the AC high voltage source, between which the AC high voltage source generates a AC high voltage.
  • the alternating high voltage preferably consists of mutually spaced pulse groups of short bipolar pulses. To limit the energy of electrical charges between adjacent tines of the two groups, at least the tines of a group are completely covered with dielectric insulations. In other words, the electrical discharges are dielectrically impeded.
  • All tines run with their main extension directions parallel to each other within a plane. Hair lice and their preforms are killed on the one hand, by coming into contact with two adjacent tines, between which lies the alternating high voltage, which causes a lethal short-circuit current through the parasite, and by reaction products of gas discharges, which form between the adjacent tines. These gas discharges occur somewhere along the main extension direction of the tines and can move as sliding discharges along the main extension directions of the tines. If the prongs of one of the two groups are not covered with dielectric insulations, these prongs are preferably grounded to cause irritation of the scalp in contact with them to avoid electrically conductive prongs in the operation of the known device.
  • the dielectric insulation at the tips of the prongs are sensitive and quickly lose their important for limiting the energy of the electrical discharges insulation function by shocks and resulting damage, if they are not formed comparatively thick.
  • the tines then quickly become wide, and the functionality of the known device as a comb, in particular as a lice comb with a plurality of narrow gaps between the tines is lost.
  • the known device is not primarily effective in the area near the scalp, where the blood-sucking hair lice are preferably located and where they stick their nits to the hair.
  • a device in which a dielectrically impeded discharge between a galvanically coupled to an output of a high voltage alternating electrode metallic electrode and one or more capacitively coupled to another output of the alternating high voltage electrode electrode is caused.
  • the galvanically coupled electrode can be arranged in the center and the capacitively coupled electrodes can be arranged with their elongated electrode bodies made of metal in the radial direction thereto at a distance.
  • the known device is intended for the production of plasma, of ozone, for substrate processing and for the production of semiconductor devices.
  • a similarly constructed device for the decomposition of natural gas or methane using dielectrically impeded discharge is also known from CA 2516499 A1 known.
  • the invention has for its object to show devices for generating electrical discharges low energy, which had greater handling safety.
  • the object of the invention is achieved by a device for generating dielectrically impeded electrical discharges having the features of independent claim 1.
  • Preferred embodiments of the new device are defined in the dependent claims.
  • a device with an AC high voltage source for generating dielectrically impeded electrical discharges, with an AC high voltage source, with a plurality of coupled to a first output of the AC high voltage source stretched first electrode bodies made of metal and with a plurality of coupled to a second output of the AC high voltage source stretched second electrode bodies made of metal are spacings between the first electrode body on the one hand and the second electrode body on the other hand at the distal ends of the electrode body minimal, ie least or least.
  • adjacent electrode bodies which are coupled to different outputs of the AC high voltage source, may be aligned with their main directions of extension V-shaped to each other.
  • the entirety of the electrode bodies, which are coupled to two different outputs of the alternating high voltage source, can then be arranged with their main extension directions in two different V-shaped aligned, flat or slightly curved surfaces which intersect in the region of the distal ends of the electrodes.
  • the angle at which two adjacent electrode bodies, which are coupled to two different outputs of the AC high voltage source, are typically aligned with each other, is in a range of 10 ° to 45 °.
  • Adjacent electrode bodies which are coupled to the same output of the alternating high-voltage source, in the new device preferably extend parallel or at a very acute angle to one another with their main extension directions. This corresponds to a comb-shaped overall configuration of the electrode bodies.
  • the individual electrode body may be formed blade-shaped. Preferred is a simple pin-shaped design.
  • the comb-shaped overall arrangement of the electrode bodies also corresponds when a plurality of electrode bodies, which are coupled to the same output of the alternating high voltage source, lie in a plane with their main extension directions, their distal ends being arranged in a line with a continuous course.
  • This line may be straight or curved to conform to the course of the scalp of a human head.
  • the alternating high voltage applied by the alternating high voltage source has a very high frequency in the typical range of 10 kHz to 1 MHz.
  • a so-called skin effect increasingly occurs, ie the electrical currents are conducted to the surface of the respective body and not in its volume.
  • human nerves are not able to resolve an AC without DC component in said high frequency range.
  • the electrical power is easily limited by the fact that the alternating high voltage is generated in individual pulse groups of short-term, ie high-frequency pulses, which are subdivided by longer pauses. Unlike the special coupling of the individual electrode body to a common output of the alternating high voltage source, however, these measures are basically known.
  • all the electrode bodies preferably have electrically conductive distal ends, i. H. the distal ends of the electrode bodies are formed by the metal of the electrode body itself.
  • the electrode bodies there are no insulating coatings or the like which would undesirably thicken the electrode bodies, so that they are no longer easy to bring to the scalp, or are sensitive to impact stress.
  • the first and / or second electrode bodies made of metal can in particular be individually capacitively coupled to the respective output of the alternating high voltage source. That is, the electrode body is not in electrical connection with the output of the AC high voltage source, but they are connected to each of these separately via its own electrical capacitance. This capacitance limits the charge which can flow in a single electrical discharge emanating from the respective electrode body, and thus the discharge current and the energy of the electrical discharge.
  • the dielectric hindrance of the electrical discharges in the region of the coupling of the individual electrode bodies to the alternating high-voltage source is well protected with respect to impacts against the distal ends of the electrode bodies.
  • this device according to the invention is insensitive to impacts against its electrode body.
  • the realization of the dielectric hindrance of the electrical discharges in the region of the coupling of the individual electrode bodies to the alternating high voltage source does not collide with a desired filigree formation or dense arrangement of the electrode bodies.
  • the electrode body can be capacitively coupled exclusively to an output of the alternating high voltage source.
  • the coupling of the other electrode body to the other output of the alternating high voltage source can be realized by direct electrical contact, ie galvanic connections of the electrode body to the further output of the alternating high voltage source. Then the other output should be grounded.
  • the other electrode bodies are also individually coupled capacitively to the other connection of the alternating high voltage source.
  • the electrode bodies may face a high-voltage bus connected to the output with the interposition of a dielectric solid.
  • a single capacitor formed as a separate electrical component it is conceivable to switch between each electrode body and the output of the AC high voltage source a single capacitor formed as a separate electrical component.
  • the capacities for the capacitive coupling of the individual electrode bodies can easily be provided by a common high-voltage bus and a common dielectric solid body between the high-voltage bus and the individual electrode bodies.
  • the capacitance which limits the charge drained from an electrode body to ground or to an electrode body serving as a counterelectrode, and thus also the discharge current and the energy of each individual discharge is 0.35 pF or in a range of 0.1 to 0.5 pF.
  • This capacitance is due to the capacitive coupling of an electrode body to the associated high-voltage bus or, when the alternating high voltage between two high-voltage buses to which the electrode body are capacitively coupled, by the two series-connected capacitive couplings of two adjacent and each one of the two high voltage buses provide coupled electrode bodies and comply.
  • the entire storage and alignment of the electrode bodies can be effected by this embedding.
  • the high-voltage bus has a metal sheet surrounding the proximal ends in the dielectric solid body in a U-shape, an easy-to-fabricate and stable overall arrangement results.
  • Fig. 1 shows in a device 10 for generating low-energy electrical discharges, the coupling of a pin-shaped electrode body 1 to a high-voltage bus 2, which is connected to an output 3 of an alternating high voltage source 4 shown here only schematically whose other output 5 is grounded. Coupled is the electrode body 1 made of metal to the high-voltage bus 2 capacitive by having its proximal end 9 in a solid state 6 of a dielectric material 7, which is enclosed by a metal sheet 8 of the high-voltage bus 2 U-shaped. In this case, dielectric material 7 of the solid 6 is arranged everywhere between the electrode body 1 and the high-voltage bus 2. Other than this from the representation according to Fig. 1 may assume, there is no air gap between the solid 6 and the metal sheet 8.
  • the arrangement shown has an electrical capacitance between the metal sheet 8 and the electrode body 1, which limits the maximum possible discharge current and thus the energy of the electrical discharge in the case of one of the electrode body 1 due to a voltage applied to the alternating high voltage source 4 alternating high voltage electrical discharge.
  • illustrated device 10 has a plurality of electrode bodies 1, which in the viewing direction according to Fig. 1 lying one behind the other and thereby parallel to each other with their proximal ends 9 are embedded in the solid 6 and thereby over the solid 6 away the same high-voltage bus 2 in Shape of the metal sheet 8 opposite. Above the high-voltage bus 2, a housing 11 is arranged which avoids direct contact with the high-voltage bus 2. In this case, the AC high voltage source 4 is arranged. With the device 10, it is possible to cause electrical discharges emanating from a grounded object, in particular from the distal ends 12 of the electrode bodies 1.
  • a high voltage bus 13 in the form of another U-shaped bent metal sheet 14.
  • This U-shaped metal sheet 14 encloses a further solid body 15 made of the dielectric material 7, which here is connected in one piece with the dielectric material 7 of the solid 6.
  • adjacent electrode body 1 and 16 which are connected to the two terminals 3 and 15 of the alternating high voltage source 4, V-shaped to each other, where they come in the region of their distal ends 12 and 17 closest. Accordingly, the electric fields that form due to the alternating high voltage between the electrode bodies 1 and 16, between the distal ends 12 and 17 are the largest.
  • Fig. 3 outlines how with only a small distance of the distal ends 12 and 17 of the scalp 18, the electrical discharges 20 respectively between the distal ends 12 and 17 and the scalp 18 form, ie the discharge currents between the electrode bodies 1 and 16 on the scalp 18 away flow.
  • the discharge currents flow directly through the hairless lice or their preforms and kill them. Otherwise, the hairless lice and their preforms are exposed to the reaction products of the electrical discharges 20 which take place as gas discharges, which likewise have a killing effect.
  • Fig. 4 sketched form the electrical discharges 20 at greater distance of the distal ends 12 and 17 of the electrode body 1 and 16 to the scalp 18 of the head 19th directly between the distal ends 12 and 17 and act here on reaching into their area parasites.
  • a high-voltage transformer 21 is connected on its primary side via a capacitor 22 to a DC voltage source 24, for example in the form of a battery or a battery stack. From the DC voltage source 24, the capacitor 22 is charged. By driving one of the primary winding of the high voltage transformer 21 in parallel switching diode 25 by a controller 26, the capacitor 22 is short-circuited across the primary winding. The resulting discharge current of the capacitor 22 causes on the secondary side of the high-voltage transformer 21 a high-voltage pulse with opposite-phase high voltages at the outputs 3 and 5 forth.
  • Fig. 6 is the arrangement of two rows 27 and 28 of V-shaped to each other employed electrode bodies 1 and 16, which are embedded with their not visible distal ends in the two contiguous solids 6 and 15 of dielectric material 7.
  • a typical angle between the electrode bodies 1 and 16 of the two rows 27 and 28 is in a range of 15 ° to 25 °.
  • the distal ends 12 and 17 of the electrode body 1 and 16 are here on or near a common line 30 which has a continuous course and in the concrete case is a straight line. In this case, a distal end 12 of an electrode body 1 with a distal end 17 of an electrode body 16 always alternate along the line 30.
  • the alternating high voltage caused by the alternating high voltage source between the electrode bodies 1 on the one hand and the electrode bodies 16 on the other causes the strongest electric fields and the resulting electrical discharges in the region of the line 30, which is to be brought close to the scalp to combat lice and their preforms where these parasites are concentrated.

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  • Electrotherapy Devices (AREA)
  • Catching Or Destruction (AREA)

Claims (11)

  1. Dispositif (10) pour la production de décharges électriques (20) empêchées de manière diélectrique
    - avec une source de haute tension alternative (4)
    - avec plusieurs premiers corps d'électrodes (1) étirés en métal, couplés à une première sortie (3) de la source de haute tension alternative (4) et
    - avec plusieurs deuxièmes corps d'électrodes (16) étirés en métal, couplés à une deuxième sortie (5) de la source de haute tension alternative (4),
    caractérisé en ce que des distances entre les premiers corps d'électrodes (1) d'une part et les deuxièmes corps d'électrodes (16) d'autre part sont les plus petites au niveau des extrémités distales (12, 17) des corps d'électrodes (1, 16), ce qui provoque une focalisation des décharges électriques (20) provoquées avec le dispositif (10) au niveau de l'extrémité distale (12, 17) des corps d'électrodes (1, 16).
  2. Dispositif (10) selon la revendication 1, caractérisé en ce qu'au moins un premier corps d'électrode (1) et un deuxième corps d'électrode (16) adjacent sont orientés l'un vers l'autre en forme de V avec leurs directions d'extension principales.
  3. Dispositif (10) selon la revendication 2, caractérisé en ce qu'un angle, formé par un premier corps d'électrode (1) et un deuxième corps d'électrode (16) adjacent sont orientés l'un vers l'autre avec leurs directions d'extension principales, se trouve dans une plage de 10° à 45° et en option dans une plage de 25° à 35°.
  4. Dispositif (10) selon l'une des revendications précédentes, caractérisé en ce que plusieurs premiers et/ou deuxièmes corps d'électrodes (1, 16) se trouvent, avec leurs directions d'extension principales, dans un plan, leurs extrémités distales (12, 17) se trouvant sur une ligne (30) avec un tracé constant.
  5. Dispositif (10) selon l'une des revendications précédentes, caractérisé en ce que les premiers et deuxièmes corps d'électrodes (1, 16) sont disposés, avec leurs directions d'extension principales dans deux surfaces différentes, orientées l'un vers l'autre en forme de V, planes ou seulement faiblement incurvées, qui se croisent au niveau des extrémités distales (12, 17) des corps d'électrodes (1, 16).
  6. Dispositif (10) selon la revendication 5, caractérisé en ce que les extrémités distales (12, 17) de tous les premiers et deuxièmes corps d'électrodes (1, 16) sont disposées sur une ligne (30) avec un tracé constant, un corps d'électrode (1), qui est couplé à une sortie (3), suivant le corps d'électrode (16), qui est couplé à l'autre sortie (5), le long de la ligne (30).
  7. Dispositif (10) selon l'une des revendications précédentes, caractérisé en ce que tous les corps d'électrodes (1, 16) comprennent des extrémités distales électro-conductrices (12, 17).
  8. Dispositif (10) selon l'une des revendications précédentes, caractérisé en ce que plusieurs premiers et/ou deuxièmes corps d'électrodes (1, 16) sont couplés individuellement de manière capacitive à la sortie (3, 5) correspondante de la source de haute tension alternative (4).
  9. Dispositif (10) selon la revendication 8, caractérisé en ce que les plusieurs corps d'électrodes (1, 16) sont couplés à la sortie (3, 5) de la source de haute tension alternative (4), du fait qu'ils font face à un bus de haute tension (2, 13) connecté à la sortie (3, 5) en intercalant un corps solide diélectrique (6, 15).
  10. Dispositif (10) selon la revendication 9, caractérisé en ce que les plusieurs corps d'électrodes (1, 16) se terminent, avec leurs extrémités proximales (9, 29) dans le corps solide diélectrique (6, 15).
  11. Dispositif (10) selon la revendication 10, caractérisé en ce que le bus de haute tension (2, 13) comprend une tôle métallique (8, 14) en forme de U entourant les extrémités proximales (9, 29) dans le corps solide diélectrique (6, 15).
EP12729893.3A 2011-05-25 2012-05-21 Dispositif de production de décharges électriques de faible énergie, en particulier pour éliminer des poux Active EP2713807B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110050631 DE102011050631A1 (de) 2011-05-25 2011-05-25 Vorrichtungen zur Erzeugung elektrischer Entladungen geringer Energie, insbesondere zur Bekämpfung von Haarläusen
PCT/EP2012/059365 WO2012160023A1 (fr) 2011-05-25 2012-05-21 Dispositif de production de décharges électriques de faible énergie, en particulier pour éliminer des poux

Publications (2)

Publication Number Publication Date
EP2713807A1 EP2713807A1 (fr) 2014-04-09
EP2713807B1 true EP2713807B1 (fr) 2016-08-10

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EP12729893.3A Active EP2713807B1 (fr) 2011-05-25 2012-05-21 Dispositif de production de décharges électriques de faible énergie, en particulier pour éliminer des poux

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EP (1) EP2713807B1 (fr)
DE (1) DE102011050631A1 (fr)
ES (1) ES2596371T3 (fr)
WO (1) WO2012160023A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015112200A1 (de) 2015-07-27 2017-02-02 Hochschule Für Angewandte Wissenschaft Und Kunst Hildesheim/Holzminden/Göttingen Elektrodenanordnung und Plasmabehandlungsvorrichtung für eine Oberflächenbehandlung eines Körpers
DE102018126492A1 (de) * 2018-10-24 2020-04-30 Cinogy Gmbh Plasma-Behandlungsgerät
DE102019128538B3 (de) * 2019-10-22 2021-02-04 Hochschule für Angewandte Wissenschaft und Kunst - Hildesheim/Holzminden/Göttingen Vorrichtung zum Ausbilden von physikalischem Plasma an einer Oberfläche eines Objekts
DE102021128964B3 (de) 2021-11-08 2023-03-09 Hochschule für angewandte Wissenschaft und Kunst Hildesheim/Holzminden/Göttingen, Körperschaft des öffentlichen Rechts Verfahren und Vorrichtung zur Erzeugung von Plasmen mit erhöhter Pulsenergie durch dielektrisch behinderte elektrische Entladungen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5178168A (en) * 1990-04-04 1993-01-12 Epilady International Inc. Hair grooming device
GB2410895A (en) * 2004-02-13 2005-08-17 Christopher Andrew Richa Power Battery operated lice comb
US20060189168A1 (en) * 2002-12-27 2006-08-24 Noriyoshi Sato Plasma generator, ozone generator, substrate processing apparatus and manufacturing method of semiconductor device
CA2516499A1 (fr) * 2005-08-19 2007-02-19 Atlantic Hydrogen Inc. Appareil de decomposition du gaz naturel ou du methane par decharge en arc a froid
DE102009045498A1 (de) * 2009-10-08 2011-04-14 Hochschule für angewandte Wissenschaft und Kunst Fachhochschule Hildesheim/Holzminden/Göttingen Verfahren und Vorrichtung zum Abtöten von Parasiten und deren Vorformen an filamentösem Gut

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5178168A (en) * 1990-04-04 1993-01-12 Epilady International Inc. Hair grooming device
US20060189168A1 (en) * 2002-12-27 2006-08-24 Noriyoshi Sato Plasma generator, ozone generator, substrate processing apparatus and manufacturing method of semiconductor device
GB2410895A (en) * 2004-02-13 2005-08-17 Christopher Andrew Richa Power Battery operated lice comb
CA2516499A1 (fr) * 2005-08-19 2007-02-19 Atlantic Hydrogen Inc. Appareil de decomposition du gaz naturel ou du methane par decharge en arc a froid
DE102009045498A1 (de) * 2009-10-08 2011-04-14 Hochschule für angewandte Wissenschaft und Kunst Fachhochschule Hildesheim/Holzminden/Göttingen Verfahren und Vorrichtung zum Abtöten von Parasiten und deren Vorformen an filamentösem Gut

Also Published As

Publication number Publication date
ES2596371T3 (es) 2017-01-09
EP2713807A1 (fr) 2014-04-09
WO2012160023A1 (fr) 2012-11-29
DE102011050631A1 (de) 2012-11-29

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