CN203086835U - Electrode assembly of low-temperature plasma generator - Google Patents
Electrode assembly of low-temperature plasma generator Download PDFInfo
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- CN203086835U CN203086835U CN 201320058135 CN201320058135U CN203086835U CN 203086835 U CN203086835 U CN 203086835U CN 201320058135 CN201320058135 CN 201320058135 CN 201320058135 U CN201320058135 U CN 201320058135U CN 203086835 U CN203086835 U CN 203086835U
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Abstract
The utility model relates to an electrode assembly of a low-temperature plasma generator. Positive electrodes and negative electrodes of the electrode assembly of the low-temperature plasma generator are conductive metal wires. And the outer surfaces of the conductive metal wires are coated or sleeved with high-voltage-resisting and chemical-corrosion-resisting insulation material, so that media blocking layers are formed. Identical space is arranged between the positive electrodes and the negative electrodes and positive-and-negative electrode couples are formed according to a certain geometrical shape. The positive electrodes and the negative electrodes are clamped and fixed by insulation supports. The positive-and-negative electrode couples of the electrode assembly of the low-temperature plasma generator are in the shape of straight lines, ovals or spiral lines. The positive electrodes are in the inner side of the electrode couples and the negative electrodes are in the outer side of the electrode couples. The low-temperature plasma generator manufactured by adopting the electrode assembly has prominent advantages that the low-temperature plasma generator is simple in structure, easy to manufacture, comparatively low in space electromagnetic radiation, comparatively high in energy conversion efficiency, comparatively high in volume density of plasmas, comparatively wide in development and application field of secondary products and the like.
Description
Technical field
The utility model relates to a kind of high-frequency and high-voltage electrode, especially is the special-purpose glow-discharge electrode assembly of a kind of low-temperature plasma generator.
Background technology
Generating low temperature plasma with the dielectric impedance method is a kind of known technology, its basic principle is to insert a dielectric between two electrodes, stop with it and can not arc discharge occur between two electrodes and gas generation microfilament shape electric current is therebetween punctured, thereby generation glow discharge, this glow discharge makes the abundant ionization of interelectrode gas, produces a large amount of plasmas that is rich in high energy particle and active group.
At present, the existing both at home and abroad discharge electrode structure form that adopts the dielectric impedance method to produce low temperature plasma is confined to " point-to-point " electrode, " line opposite " electrode and " face-to-face " electrode substantially, a kind of new " point is to line " electrode structure such as Chinese patent CN201210112876 proposition, this electrode structure is compared aforesaid various types of electrodes, can effectively improve plasma generation density.But all there are many deficiencies such as the electrode volume is big, processing technology is complicated, spacing electromagnetic radiation is big, energy conversion efficiency is lower in above-mentioned all electrode structures, are unfavorable for generally applying in real product.
Summary of the invention
The purpose of this utility model has provided a kind of brand-new " Line To Line " electrode assemblie, and this electrode assemblie is applied to low-temperature plasma generator, can effectively solve the defective and the deficiency of existing such electrode theory and above-mentioned various electrode technology schemes.
In order to realize the foregoing invention purpose, the technical solution of the utility model is a kind of low-temperature plasma generator electrode assemblie, this electrode assemblie is made of positive and negative electrode and insulating support, it is characterized in that: described positive electrode and negative electricity be conductive metal wire very, and the conductive metal wire outer surface applies or covers the insulating material of anti-electric high pressure and resistance to chemical attack to constitute dielectric barrier, it is right to keep uniform distances between described positive electrode and the negative electrode and constitute positive and negative electrode by certain geometrical shape, and this positive and negative electrode is to being fixed by the insulating support clamping.
In technique scheme, it is oval or spiral yarn shaped that the right electrode metal conductor wire of described positive and negative electrode can be made into linear, and positive electrode is arranged in the right inboard of positive and negative electrode, and negative electrode is arranged in the right outside of positive and negative electrode.
In technique scheme, the right metal conductive wire outer surface of described positive and negative electrode applies or cover is installed with the fluoroplastic insulation medium, or the metal oxide dielectric, or the silicon oxide insulation medium etc.
In technique scheme, after the gap adjustment between the positive and negative electrode evenly, fixing to constitute electrode assemblie with the insulating material support clamping.
The utility model has the advantages that, the electrode of plasma generator has used " Line To Line " discharge mode, all added dielectric at positive electrode outer surface and negative electrode outer surface, form glow discharge so numerous microfilament shape discharge channel between this two electrode, will occur, inspire the plasma of large-area high-density; Owing to taked the shielding of bi-medium to block and external electrode, make that the glow discharge between the electrode becomes softer, thereby effectively suppressed such as the generation of harmful substances such as nitrogen oxide and to the electromagnetic radiation in space, to the electromagnetic interference of power supply; The utility model has been broken through the make of traditional dielectric barrier discharge electrode, make the manufacturing of such electrode become very easy and with low cost, all kinds of low-temperature plasma generator products provide efficiently in order to make, low consumption, safety, material-saving, timesaving electrode structure, have greatly expanded the application and the scope of application of lower temperature plasma technology.
Description of drawings
Fig. 1 is the utility model plasma generator linear electrode schematic diagram.
Fig. 2 is the utility model plasma generator oval-shaped electrode schematic diagram.
Fig. 3 is the spiral yarn shaped electrode schematic diagram of the utility model plasma generator.
In the above accompanying drawing, the 1st, positive electrode, the 2nd, negative electrode, the 3rd, insulating medium layer, 4 is insulating support, the 5th, positive electrode, the 6th, negative electrode, the 7th, insulating medium layer, the 8th, insulating support, the 9th, positive electrode, the 10th, negative electrode, the 11st, insulating medium layer, the 12nd, insulating support.
Embodiment
Embodiment one
Present embodiment is a kind of low-temperature plasma generator electrode assemblie of rectilinear structure, and it is constructed as shown in Figure 1.
Present embodiment positive electrode 1 and negative electrode 2 all adopt common red copper enamelled wire to make, and the electrode outer surface wears quartz glass sleeve as insulating medium layer 3, and clamping insulating support 4 adopts the polytetrafluoroethylene mold pressing to make.Low-temperature plasma generator with this electrode manufacturing is used for the air sterilization cleaning equipment, and one group effect is considerably beyond the corona plasma generator of four groups of U.S. Plasma-air companies, and cost only be its 1/5th.
Present embodiment can be widely used in hospital operating room air sterilization cleaning equipment.
Embodiment two
Present embodiment is a kind of low-temperature plasma generator electrode assemblie of ellipsoidal structure, and it is constructed as shown in Figure 2.
Present embodiment positive electrode 5 and negative electrode 6 all adopt the alloy tungsten filament to make, and electrode outer surface insulating medium layer 7 is made for coating alumina ceramic integral sintering, and clamping insulating support 8 adopts aluminium oxide ceramics mold pressings calcining to make.
Low-temperature plasma generator with the manufacturing of present embodiment electrode is used for the household fresh-keeping Degradator, and its volume of plasma density meets the product function requirement substantially, and power consumption is than such as Chinese patent 201210021690.X bigger decline being arranged.
The present embodiment electrode can be applicable to the fresh-keeping Degradator of the fresh-keeping and surperficial chemical residual degradation of family's vegetable and fruit.
Embodiment three
Present embodiment is a kind of low-temperature plasma generator electrode assemblie of helical structure, and it is constructed as shown in Figure 3.
The positive electrode 9 of present embodiment and negative electrode 10 adopt stainless steel wire to make, and its outer surface insulating medium layer 11 is for overlapping the high-purity teflon sleeve that is through the electrode periphery, and clamping insulating support 12 adopts aluminium oxide ceramics mold pressing calcining to make.Be used for the sterilization fresh system or disinfection and purification system can produce bigger result of use with less energy consumption with the low-temperature plasma generator of this electrode manufacturing, through the every 1000m of experimental test
3The space, one day power consumption only be 1 the degree electricity about, the space of handling contains malignant bacteria and pernicious gas and particle hardly.
The spiral yarn shaped electrode that present embodiment provides can be applicable to the low temperature plasma sterilization fresh system or the disinfection and purification system of preserving fruit and vegetable utilizing large cold storage pipeline ventilation equipment or hospital ward, food factory's workshop space sterilization equipment.
Claims (4)
1. low-temperature plasma generator electrode assemblie, this electrode assemblie is made of positive and negative electrode and insulating support, it is characterized in that: described positive electrode and negative electricity be conductive metal wire very, and the conductive metal wire outer surface applies or covers the insulating material of anti-electric high pressure and resistance to chemical attack to constitute dielectric barrier, it is right to keep uniform distances between described positive electrode and the negative electrode and constitute positive and negative electrode by certain geometrical shape, and this positive and negative electrode is to being fixed by the insulating support clamping.
2. low-temperature plasma generator electrode assemblie as claimed in claim 1, it is characterized in that: it is oval or spiral yarn shaped that the right electrode metal conductor wire of described positive and negative electrode can be made into linear, and positive electrode is arranged in the right inboard of positive and negative electrode, and negative electrode is arranged in the right outside of positive and negative electrode.
3. low-temperature plasma generator electrode assemblie as claimed in claim 1 or 2, it is characterized in that: the right metal conductive wire outer surface of described positive and negative electrode applies or cover is installed with the fluoroplastic insulation medium, or the metal oxide dielectric, or the silicon oxide insulation medium etc.
4. low-temperature plasma generator electrode assemblie as claimed in claim 1 or 2 is characterized in that: after the gap adjustment between the positive and negative electrode evenly, fixing to constitute electrode assemblie with the insulating material support clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320058135 CN203086835U (en) | 2013-02-01 | 2013-02-01 | Electrode assembly of low-temperature plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320058135 CN203086835U (en) | 2013-02-01 | 2013-02-01 | Electrode assembly of low-temperature plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086835U true CN203086835U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320058135 Expired - Lifetime CN203086835U (en) | 2013-02-01 | 2013-02-01 | Electrode assembly of low-temperature plasma generator |
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| Country | Link |
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| CN (1) | CN203086835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079330A (en) * | 2013-02-01 | 2013-05-01 | 南京华科皓纳电气科技有限责任公司 | Electrode assembly of low-temperature plasma generator |
-
2013
- 2013-02-01 CN CN 201320058135 patent/CN203086835U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079330A (en) * | 2013-02-01 | 2013-05-01 | 南京华科皓纳电气科技有限责任公司 | Electrode assembly of low-temperature plasma generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |