• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    ELECTRONIC ARRANGEMENT FOR DEFICIENT DIELECTRIC PLASMA TREATMENT AND PROCESS FOR PLASMA TREATMENT OF A SURFACE. The invention relates to an array of electrodes for the treatment of deficient dielectric plasma of a surface of an irregularly shaped, electrically conductive body, used as a counter electrode, with a flat surface electrode (1) and a dielectric (2) , 3), which is executed for the disposition with a defined interval in relation to the surface to be treated, for the information of a cold plasma, being that the mentioned arrangement can be produced in a simple way and executed safely in the application, such that the dielectric (2, 3) is formed by a flexible flat material, which is equipped with a structure (4) on its side facing the surface to be treated, in order to form areas of air conduction ( 7), when the dielectric (2, 3) is on the surface to be treated, and due to the fact that the flat surface electrode (1) is made flexible, and is fixed on the dielectric (2, 3), in such a way so that a layer (2) of the dielectric (2, 3) shields the electrode (1) from the surface area to be treated.
    公开号:BR112012015151B1
    申请号:R112012015151-7
    申请日:2010-12-22
    公开日:2021-02-23
    发明作者:Dirk Wandke；Maximilian Segl；Leonhard Trutwig
    申请人:Cinogy Gmbh；
    IPC主号:
    专利说明:

    [0001] The invention relates to an array of electrodes for the treatment of deficient dielectric plasma of a surface of an electrical conductive body, molded irregular three-dimensional, used as a counter electrode, with a flat surface electrode and a dielectric, which it is executed for the disposition with a defined interval in relation to the surface to be treated, for the formation of a cold plasma.
    [0002] Furthermore, the invention relates to a process for the treatment of plasma on a surface, with such an electrode arrangement.
    [0003] Dielectric deficient plasma treatments are employed for numerous application cases. It is known from DE 195 32 105 C2 to treat the surface of parts to be worked three-dimensionally, for example, to activate or clean. Through a so-called barrier discharge, it is possible to reduce an oil layer down to the minimum oil films. In this case, above all, the fact that a uniform surface treatment takes place is essential. For this, a homogeneous plasma formation is necessary, and the idea is that plasma discharges occur in thin filaments distant from each other. This is problematic in the case of irregularly shaped three-dimensional surfaces. Therefore, in patent DE 195 32 105 C2 it is foreseen to execute a negative mold with the dielectric of the workpiece surface, which, therefore, consists of a moldable synthetic material, for example, which can be compressed or which it can be pulled deep. In this case, it is also provided for the fact that an intermediate layer is used, in such a way that the dielectric with the intermediate layer can be molded directly on the surface of the workpiece. The intermediate layer is then removed in order to ensure an intermediate space between the dielectric and the electrode, in which the plasma can form. On its side away from the surface to be treated, the dielectric is coated with a conductive material, which can be supplied with the necessary high voltage in the form of an alternating voltage.
    [0004] Through the DE 2007 patent 030 915 A1 it is known to form hollow fibers of a dielectric material, which inside are equipped with a conductive metallic coating, in such a way that the hollow fiber forms a dielectric with an internally shielded electrode, which together with the surface that serves as a counter electrode can form a plasma field of a conductive body. In this case, it is also foreseen to form a tissue with the hollow fibers, which can be laid flat on an uneven surface, in particular, the skin surface of a human body. In this way, there is the advantage of an electrode array, which can be adapted to the irregular topology of the skin surface, for the realization of a plasma treatment. Disadvantageous, however, is the high production cost for the formation of hollow fibers that form the tissue, which in their hollow space must have a flexible electrode, in order to ensure the flexibility of the electrode tissue, necessary for adaptation to the skin surface.
    [0005] Therefore, the present invention has the task of creating an electrode array, with which a safe dielectric deficient plasma treatment of the surface of an irregular three-dimensional shaped body, in particular, of the skin surface of a living being possible, and that it is easy and economical to manufacture.
    [0006] According to the invention this task is solved with an electrode arrangement of the type mentioned at the beginning by the fact that the dielectric is formed by a flexible flat material, which is equipped with a structure on its side facing the surface to be treated, in order to form areas of air conduction, when the dielectric is on the surface to be treated, and by the fact that, the flat surface electrode is made flexible, and is fixed on the dielectric, in such a way that , a layer of the dielectric shields the electrode from the surface to be treated.
    [0007] Therefore, as an outlet material for the electrode arrangement according to the invention, preferably a flat surface dielectric which on its rear side away from the surface to be treated has a flat surface electrode, such that, a flexible plate is formed, which due to its flexibility can be adapted to the surface contour, even if that surface is shaped three-dimensionally, and in particular, present an irregular three-dimensional topography. For the invention it is essential that the dielectric forms a continuous layer, with which the electrode is shielded from the surface to be treated. In addition, the dielectric forms a structure for the surface to be treated, in which there are areas, in which the air can be conducted and exchanged, in order to allow the cold plasma to emerge in these areas, with which the surface is treated, in particular, the skin surface of a human or animal body. The treatment of the skin surface, in this case, can be a therapeutic treatment. However, a cosmetic treatment of the surface is preferred, through which that surface can better absorb cosmetic substances, so that, efficiently, cosmetic treatments such as smoothing wrinkles, pore reductions etc. are possible. Another efficient treatment can be obtained through the formation of the electrode arrangement as an insole. In this case, on the skin of the foot a bactericidal and fungicidal effect appears, and the dielectric can touch directly, or through a sock on the skin of the foot, in particular, on the sole of the foot.
    [0008] The flat surface electrode is preferably accommodated in the dielectric. This can occur on the back side of the dielectric layer, which shields the electrode from the surface to be treated. But it is also possible to accommodate the flat-surface electrode completely in the dielectric. In all cases, the flat-surface electrode can be contacted with a connection conducted out of the dielectric.
    [0009] The electrode is preferably formed by a flexible metal wire grid, because that grid can be manufactured in a simple and economical way for a flexible electrode.
    [0010] The structure of the dielectric of a preferred embodiment is executed in one piece with the dielectric layer, which shields the electrode from the surface to be treated. In this case, the structure defines the depth of the areas, in which the air can be found for the formation of the plasma, if the dielectric is placed directly on the surface, for example, the skin. When the dielectric is formed from a suitable synthetic material, for example, thermoplastic polyethylene, the desired structure can be incorporated during the casting of the flat dielectric.
    [0011] But it is also possible to connect the structure with the dielectric layer as a separate executed layer. In this case, the structure can also be formed of fine fibrous and, for example, be a tissue through which the air-conducting areas are eventually enlarged, and a more uniform formation of the plasma is obtained.
    [0012] In the case of a simpler execution, with technology of production of the structure of the projected nodes, intermediate air-permeable spaces are provided, in which the plasma can form. In this case, the knots can be made, preferably, circular cylindrical, cone-shaped or cone-shaped. In addition, the nodes are preferably between 0.5 and 10 mm in height, preferably between 1 and 8 mm and more preferably between 2 and 3 mm.
    [0013] The following should be clarified in detail with the help of an example of execution represented in the drawing. They are shown:
    [0014] In figure 1 the parts of an electrode arrangement according to the invention, in an exploded representation;
    [0015] In figure 2 a view from above on the front side of the electrode array assembled according to figure 1;
    [0016] In figure 3 a longitudinal section through the electrode arrangement according to figure 2;
    [0017] In figure 4 is a perspective view of an electrode array adapted to a three-dimensionally shaped surface;
    [0018] In figure 5 a longitudinal section through the arrangement of electrodes along the line V-V in figure 4.
    [0019] Figure 1 clarifies that, the electrode arrangement according to the invention has an electrode 1, which is performed as a grid of flexible metal electrodes, flat in the output state. The electrode is disposed between a front layer 2 of a dielectric material, and a rear layer 3 of a dielectric material. The two dielectric layers 2, 3 in the output state are flat and shallow and go beyond electrode 1 in all four side corners, in such a way that electrode 1 is accommodated in the dielectric formed by the two layers 2, 3. For this, layers 2, 3 are preferably superficially connected to each other. The connection can take place, for example, through gluing or welding. Of course, with the external connection means, removable connections can also be made, however, at a higher cost. The electrode 1 accommodated in the dielectric can be contacted with a connection projected out of the dielectric (not shown).
    [0020] The front layer 2 of the dielectric is provided with a surface 4 structured on the side away from the electrode 1. In the example shown, the structured surface is formed by 5 protruding nodes, which have a gap 6 between them, in such a way whereas, the structured surface 4 presents numerous areas of air conduction 7, in which air can flow, if the electrode arrangement with the nodes 5 of its front layer 2 touches, for example, the skin of a living being.
    [0021] Figure 2 clarifies that, electrode 1 in top view, ends with an interval of the lateral corners of layers 2, 3, and layers 2, 3 are preferably made of the same size.
    [0022] The longitudinal section of figure 3 illustrates the accommodation of electrode 1 between layers 2, 3 and nodes 5 of the structured surface 4 of the front layer 2, which shields the electrode 1 in relation to the surface to be treated.
    [0023] Figure 4 shows, in a perspective view, the electrode arrangement according to figure 1, and the two layers 2, 3 of the dielectric are no longer separated from each other, because they are linked together , for example, through a surface welding process. The dielectric 2, 3 formed in this way is flexible, because the layers 2, 3, on the one hand, and the electrode 1 accommodated in them, on the other hand, are flexible. Therefore, the electrode array can be adapted to the shape of a three-dimensional molded surface, such as the one shown schematically in figure 4. The surface to be treated, in this case, is not shown. It can be recognized that, a central convex bulging seen from above to the ends that are diagonally opposite pass to a concave bulging. Thus, the ability to adapt the electrode array is also illustrated in irregular bulging of the surface to be treated.
    [0024] The longitudinal section of figure 5, shown along the line V-V in figure 4 illustrates the central convex bulging and allows to recognize, in particular, at the left end, a concave bulging leaning backwards.
    [0025] Without problems it is evident that the electrode arrangement according to the invention can be manufactured in an extraordinarily easy way, and allows, in an easy way, a superficial treatment of an irregularly bulged surface, in particular, a skin surface.
    [0026] Figures 4 and 5 show the fusion of the two dielectric layers 2, 3 to form a unitary component, in which electrode 1 is included.
    [0027] It is possible without problems to execute the structured surface 4 also as a separate flat surface element, in such a way that the layer that shields the electrode 1 is connected with it. For example, the surface structured in this way can be formed by a extensive flexible textile fabric or plastic fabric, which is certainly not suitable as a protective layer 2, however, as a structured surface 4 it is suitable to form areas of air conduction, in which, through the high alternating voltage created, the necessary plasma is formed to the treatment.
    [0028] Likewise, for some application cases it is conceivable to apply electrode 1 only on the back side of the dielectric layer 2. In general, however, it is reasonable to cover electrode 1 with an insulating layer, in order to avoid unwanted disruptive discharges voltage, for example, on an operator, on the rear side of the layer to be shielded 2. Therefore, the accommodation of electrode 1 on dielectric 2, 3 represents a preferred embodiment.
    [0029] The execution example shown is based on layers 2, 3 of flat surface in the output state, on a flat surface electrode 1. For applications that are intended, for example, in particular, for convex curved surfaces, it may also be reasonable to employ flat 2, 3 premolded layers in convex curvature. The corresponding applies to other pre-moldings, which facilitate adaptation to the surfaces to be treated, and the flexibility of the electrode arrangement, in any case, is safeguarded and allows a precise adaptation to the surface.
    权利要求:
    Claims (12)
    [0001]
    1. Arrangement of electrodes for a plasma treatment of dielectric barrier discharge from a surface of an electrical conductive body, molded in irregular three-dimensional shape, used as a counter electrode, characterized by the fact that it comprises: an electrode (1) with a flat surface; a dielectric (2, 3) is formed by a flexible flat material, which is equipped with a structure (4) on its side facing the surface to be treated, in which the structure comprises a plurality of distant projections extending from a base of said side of said material that faces the surface to be treated at a spaced elevation of said base, so as to form areas of air conduction when the dielectric is on the surface to be treated in order to form a cold plasma in said areas, and where the electrode (1) with a flat surface is made flexible, and is fixed on the dielectric (2, 3), where the dielectric forms a continuous layer such that, a continuous layer of the dielectric (2 , 3) shield the planar electrode (1) from the surface to be treated.
    [0002]
    2. Electrode array according to claim 1, characterized by the fact that it also comprises a connection that is removed from the dielectric, in which the planar electrode is incorporated in the dielectric and is configured to be placed in contact with the connection ..
    [0003]
    3. Electrode array according to claim 2, characterized by the fact that the flat surface electrode is accommodated in the dielectric (2, 3) on all sides.
    [0004]
    4. Electrode array according to claim 1, characterized by the fact that the dielectric (2, 3) is performed for a contact on the skin of a living being.
    [0005]
    5. Electrode array according to claim 1, characterized by the fact that the electrode (1) is formed by a flexible metal wire grid.
    [0006]
    6. Electrode array according to claim 1, characterized by the fact that the electrode (1) is formed of carbon fibers or carbon fiber mesh.
    [0007]
    7. Electrode array according to claim 1, characterized by the fact that the structure (4) of the dielectric (2, 3) is executed in one piece in the layer (2) of the dielectric (2, 3), which shields the electrode (1) from the surface to be treated.
    [0008]
    8. Electrode array according to claim 1, characterized by the fact that the structure (4) is connected with the continuous layer (2) of the dielectric (2, 3) as a separate executed layer, which shields the planar electrode ( 1) the surface to be treated.
    [0009]
    9. Electrode array according to claim 1, characterized by the fact that said projections are generally flat.
    [0010]
    10. Electrode array according to claim 9, characterized by the fact that the projections are made in the form of circular cylinders, cone or cone stem.
    [0011]
    11. Process for the plasma treatment of a surface by means of an electrode array for a plasma treatment of dielectric barrier discharge from a surface of an electrical conductive body, used as a counter electrode, characterized by the fact that it comprises: a flat surface electrode (1); a dielectric (2, 3) is formed by a flexible flat material, which is equipped with a structure (4) on its side facing the surface to be treated, which forms areas of air conduction when the dielectric is on the surface to be treated. be treated in order to form a cold plasma in said areas, and in which the electrode (1) with a flat surface is flexible, and is fixed in the dielectric (2, 3), in which the dielectric forms a continuous layer in such a way that the continuous layer of the dielectric (2, 3) shields the planar electrode (1) from the surface to be treated, comprising the steps of: placing the planar electrode arrangement with the structure of the dielectric formed towards the surface to be treated on the surface to be treated be treated; adapt the planar electrode arrangement to the contour of the surface to be treated; and plasma treatment the surface to be treated.
    [0012]
    12. Process according to claim 11, characterized by the fact that the electrode array is placed on an irregular three-dimensional molded surface.
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    法律状态:
    2020-09-08| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-22| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-02-23| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 23/02/2021, OBSERVADAS AS CONDICOES LEGAIS. |
    2021-06-22| B16C| Correction of notification of the grant|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/12/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102009060627.0|2009-12-24|
    DE102009060627.0A|DE102009060627B4|2009-12-24|2009-12-24|Electrode arrangement for a dielectrically impeded plasma treatment|
    PCT/DE2010/001513|WO2011076193A1|2009-12-24|2010-12-22|Electrode arrangement for a dielectric barrier discharge plasma treatment and method for plasma treatment of a surface|
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