WO2021031487A1 - 基于混合型等离子体结构的平板式等离子体发生装置 - Google Patents
基于混合型等离子体结构的平板式等离子体发生装置 Download PDFInfo
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- WO2021031487A1 WO2021031487A1 PCT/CN2019/127950 CN2019127950W WO2021031487A1 WO 2021031487 A1 WO2021031487 A1 WO 2021031487A1 CN 2019127950 W CN2019127950 W CN 2019127950W WO 2021031487 A1 WO2021031487 A1 WO 2021031487A1
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- plasma
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
Definitions
- the invention relates to the field of plasma technology, in particular to a flat-plate plasma generator based on a hybrid plasma structure.
- plasma is widely used in the field of disinfection and sterilization and clinical medicine with its characteristics of ionized gas, excited active particles, and radiated ultraviolet rays. In recent years, it has continued to become a research hotspot in the application field.
- the first is a direct plasma source, which directly uses the target area as an auxiliary electrode to trigger discharge to generate plasma.
- This method mainly adopts a floating electrode-based dielectric barrier discharge technology to achieve relatively uniform plasma and High concentration of active substances.
- the direct plasma generator has the advantage of highly controllable plasma trigger position due to its structural characteristics, but it also has limitations such as a fixed trigger distance.
- This kind of dielectric barrier discharge structure based on floating electrodes as an emerging technology that has emerged in recent years, has been widely studied in the field of direct plasma generators.
- the second is an indirect plasma source, which generates plasma between two electrodes inside the generating device, and then transfers the plasma to the target area by means of carrier gas or diffusion.
- the carrier gas By controlling the carrier gas, the composition of the active material generated by the plasma in the gas can be changed, and the ejection position of the plasma jet can be controlled.
- Indirect plasma generation equipment can be realized by using plasma syringe, plasma nozzle, large-size plasma torch and other structures. It has the advantage of flexible application size, but on the other hand, due to its indirect plasma generation mechanism and other problems, This type of equipment also has disadvantages such as weak controllability and low concentration of active substances generated by plasma.
- the third type is a hybrid plasma source, which is a hybrid structure that combines direct and indirect plasma sources.
- This method mainly uses surface microdischarge technology to trigger microdischarges in a grounded multi-electrode array and generate The advantage of plasma is that the area of the electrode array is larger and the coverage of the target area is stronger. However, due to the smaller resistance value of the wire grid in the electrode array, the filament micro-discharge beam generated in the target area penetrates The penetration ability is weak and it is difficult to pass through the target area completely.
- the purpose of the present invention is to provide a flat-plate plasma generator based on a hybrid plasma structure, which is suitable for both atmospheric and low-pressure environments, has a wide range of applications, and does not generate arcs and ensure safety. It improves the flexibility and processing efficiency of the hybrid plasma generating device in processing objects of different sizes and materials.
- a flat-plate plasma generator based on a hybrid plasma structure includes a discharge vessel with gas supply ports and exhaust ports on the left and right sides, respectively.
- An AC pulse power supply is set up inside the discharge vessel and connected to it The plasma discharge assembly and the replaceable working platform below.
- the frequency of the AC pulse power supply is 10-350kHz and the voltage amplitude is 0.5-2kV.
- the upper part of the plasma discharge assembly is an upper protective shell made of polytetrafluoroethylene.
- the bottom surface of the upper protective shell is composed of a three-layer structure of an upper dielectric layer, a copper main discharge plate and a lower dielectric layer.
- the upper dielectric layer and The lower dielectric layer is filled with insulating materials such as ceramic or quartz, and the top right side of the main discharge plate is connected with an AC pulse power supply.
- the replaceable work platform is composed of a placed object, a fixture base, an object fixture, a rotating track, and a stepping motor.
- the fixture base is provided with three sets of parallel object fixtures, and the placed object is fixed by the object fixture, Below the object fixture is the fixture base, which is set on the rotating track.
- the fixture base is driven by a stepping motor to rotate counterclockwise along the rotating track.
- Under the replaceable working platform is a detachable lower protective shell.
- the rotating orbit is a circular rotating orbit.
- the constituent material of the clamp base is aluminum
- the constituent materials of the object clamp and the rotating track are all polytetrafluoroethylene
- the detachable lower protective shell is made of polytetrafluoroethylene.
- the discharge vessel is used to provide a confined space
- the AC pulse power supply provides the discharge voltage for the copper main discharge plate
- the working platform is used to place the processed object and as a floating electrode to trigger the glow discharge of the dielectric barrier, so that when the device discharges, the plasma
- the body is generated between the copper main discharge plate and the replaceable work platform.
- the discharge path is directly induced by the placed object or the aluminum fixture base composed of conductive materials. It has a good surface fit and has a wide range of applications.
- the plasma processing efficiency is improved on the premise of generating an arc and ensuring safety.
- Figure 1 is a schematic diagram of a flat-plate plasma generator with a hybrid plasma structure.
- Figure 2 is a schematic diagram of the internal structure of the rotating track in the plasma generator.
- FIG. 3 is an isometric schematic diagram of the plasma discharge assembly 4 and the replaceable work platform 2.
- 1- discharge vessel 2- replaceable working platform; 3- AC pulse power supply; 4- plasma discharge assembly; 5- copper main discharge plate; 6-upper dielectric layer; 7-lower dielectric layer; 8 -Stepper motor; 9-plasma; 10-gas supply port; 11-exhaust port; 12-upper protective shell; 13-placed object; 14-rotating track; 15-fixture base; 16-object fixture; 17 -Removable lower protective shell.
- a layer/element when referred to as being "on" another layer/element, the layer/element may be directly on the other layer/element, or there may be an intermediate layer/element between them. element.
- the layer/element may be located “under” the other layer/element when the orientation is reversed.
- a flat-plate plasma generator with a hybrid plasma structure includes a discharge vessel 1 with gas supply ports 10 and exhaust ports 11 on the left and right sides.
- An AC pulse power supply 3, a plasma discharge assembly 4 connected to it, and a replaceable working platform 2 below are provided.
- the frequency of the AC pulse power supply 3 is 10-350kHz and the voltage amplitude is 0.5-2kV.
- the upper part of the plasma discharge assembly 4 is an upper protective shell 12 made of polytetrafluoroethylene.
- the bottom surface of the upper protective shell 12 is composed of a three-layer structure of an upper dielectric layer 6, a copper main discharge plate 5, and a lower dielectric layer 7.
- the upper dielectric layer 6 and the lower dielectric layer 7 are both filled with insulating materials such as ceramic or quartz.
- the top right side of the main discharge plate 5 is connected to the AC pulse power supply 3, and the right side of the replaceable work platform 2 is connected to the stepping motor 8. Phase connection.
- the replaceable work platform 2 is composed of an object 13, a rotating track 14, a fixture base 15, an object fixture 16, and the fixture base 15 is composed of aluminum, the rotating track 14 and the object
- the jig 16 is made of polytetrafluoroethylene.
- the lower part of the replaceable work platform 2 is a detachable lower protective shell 17, which is made of polytetrafluoroethylene. It protects the replaceable work platform 2 and detachable lower
- the size of the housing 17 is adjusted, and the flat-plate plasma generator can handle objects of different sizes and shapes.
- Figure 2 (bottom) shows the left side view of the device.
- Figure 2 (bottom) shows the initial position of the placed object 13
- Figure 2 (bottom) shows the rotated position of the placed object 13.
- the placed object 13 is fixed by three sets of object fixtures 16 arranged in parallel on the fixture base 15. After a working processing cycle is over, the placed object 13 is driven by the stepping motor 8 to connect the fixture base 15 of the object fixture 16 along the rotating track 14 Rotate 180 degrees counterclockwise to continue processing for one working cycle, thereby ensuring that the surface of the placed object 13 is completely covered.
- Fig. 3 is an axonometric diagram of the plasma discharge assembly 4 and the replaceable work platform 2.
- the placed object 13 is represented by a dark stick-like object.
- the fixture base 15 and the three object fixtures 16 are all the same as those shown in Figure 3 In the initial position, the size of the area of the detachable lower protective shell 17 can be adjusted according to the actual shape and size of the placed object 13 and the radius of the circular rotating track 14 in the work platform 2.
- a confined space is provided by the discharge vessel, a working platform is used to place the processed conductor or insulator material at the same time as an auxiliary electrode, an AC pulse power supply provides a discharge voltage for the plasma discharge, and a plasma discharge plate is used for the main discharge.
- This structure discharges in the device When the plasma is generated between the discharge plate and the working platform below, the discharge is directly induced by the conductor itself or the fixture base of the working platform. In this way, the device can deal with conductors with complex surface shapes and special dimensions for complete surface bonding treatment.
- the surface of the insulator under similar conditions is processed with a higher degree of adhesion, and the design is designed to address the limitation of the treatment target distance of the generating electrode in the direct plasma, and combine the advantages of the hybrid plasma structure in the treatment coverage
- the replaceable working platform is suitable for objects of different sizes.
- the device is suitable for both atmospheric and low-pressure environments. It has a wide range of applications. It improves the handling of different scales of the hybrid plasma generator without arcing and ensuring safety. The flexibility and processing efficiency of objects and materials.
- the working principle of the present invention is:
- the object 13 to be placed is delivered through the disassembly area of the detachable lower protective shell 17 and fixed in the object fixture 16, and the work platform 2 is placed on the outer surface of the lower dielectric layer 7 near the bottom of the main discharge plate 5.
- the power supply 3 provides the discharge voltage for the discharge.
- the working gas is introduced into the discharge vessel 1 through the gas supply port 10 and the exhaust port 11, and the pressure inside the vessel is controlled according to the processing requirements.
- the working gas In the standard atmospheric pressure environment, the working gas is air; Under atmospheric pressure, the working gas is inert gas such as helium or argon.
- the entire work platform 2 and the discharge assembly 4 are insulated from each other, so the work platform 2 is regarded as a floating electrode.
- the dielectric barrier glow discharge generated by the main discharge plate 5 is placed The object 13 is directly triggered and subjected to plasma treatment; when the placed object 13 is an insulator or a material with poor conductivity, the dielectric barrier glow discharge generated by the main discharge plate 5 penetrates the placed object 13 by the aluminum fixture base 15 Trigger and perform plasma treatment.
- the discharge vessel 1 is used to provide a confined space
- the AC pulse power supply 3 provides the discharge voltage for the copper main discharge plate 5
- the working platform 2 is used to place the object to be processed and as a floating electrode to trigger the glow discharge of the dielectric barrier, thus the device
- the plasma 9 is generated between the copper main discharge plate 5 and the replaceable work platform 2.
- the discharge path is directly induced by the placed object 13 made of conductive material or the aluminum fixture base 15, which has a good surface mount. It is suitable for a wide range of applications, and improves the processing efficiency of plasma without generating arcs and ensuring safety.
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- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
Abstract
Description
Claims (8)
- 基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,包括左右两侧分别带有供气口(10)和排气口(11)的放电容器(1),在放电容器(1)内部自上而下依次设置交流脉冲电源(3)、与其相连接的等离子体放电总成(4)以及下方的可更换式工作平台(2)。
- 根据权利要求1所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,所述的交流脉冲电源(3)的频率为10-350kHz且电压幅值为0.5-2kV。
- 根据权利要求1所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,等离子体发生装置在标准大气压环境工作时,经由供气口(10)和排气口(11)通过放电容器(1)的工作气体为空气;等离子体发生装置在低气压环境工作时,经由供气口(10)和排气口(11)通过放电容器(1)的工作气体采用氦气或氩气等惰性气体。
- 根据权利要求1所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,所述的等离子体放电总成(4)上部为聚四氟乙烯材料的上保护外壳(12),上保护外壳(12)的底表面由上介质层(6)、铜制主放电板(5)以及下介质层(7)三层式结构组成,上介质层(6)和下介质层(7)均由陶瓷或石英等绝缘材料填充构成,主放电板(5)右侧顶端与交流脉冲电源(3)相连接。
- 根据权利要求1所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,所述的可更换式工作平台(2)由夹具底座(15)、物件夹具(16)、旋转轨道(14)、步进电机(8)共同组成,夹具底座(15)上设置有三个一组平行设置的物件夹具(16),被放置物件(13)由物件夹具(16)固定, 物件夹具(16)下方为夹具底座(15),夹具底座(15)设置在旋转轨道(14)上,夹具底座(15)通过步进电机(8)带动沿旋转轨道(14)逆时针旋转,可更换式工作平台(2)下方为可拆卸式下保护外壳(17)。
- 根据权利要求4所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,所述的旋转轨道(14)为圆形旋转轨道,旋转运动范围为180度。
- 根据权利要求4所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,所述的可拆卸式下保护外壳(17)区域的大小可根据实际被放置物件(13)的形状尺寸与工作平台(2)中圆形旋转轨道的半径进行调整和定制。
- 根据权利要求4所述的基于混合型等离子体结构的平板式等离子体发生装置,其特征在于,所述的夹具底座(15)的构成材料为铝,物件夹具(16)和旋转轨道(14)的构成材料均为聚四氟乙烯,所述的可拆卸式下保护外壳(17)由聚四氟乙烯材料构成。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102036460A (zh) * | 2010-12-10 | 2011-04-27 | 西安交通大学 | 平板式等离子体发生装置 |
CN102110572A (zh) * | 2009-12-25 | 2011-06-29 | 东京毅力科创株式会社 | 等离子处理装置 |
US20110180149A1 (en) * | 2010-01-28 | 2011-07-28 | Fine Neal E | SINGLE DIELECTRIC BARRIER DISCHARGE PLASMA ACTUATORS WITH IN-PLASMA catalysts AND METHOD OF FABRICATING THE SAME |
CN104160790A (zh) * | 2011-08-11 | 2014-11-19 | 韩国机械研究院 | 等离子体发生器、用于等离子体发生器的旋转电极的制造方法、执行基板的等离子体处理的方法、以及采用等离子体形成具有混合结构的薄膜的方法 |
US20150077492A1 (en) * | 2013-09-17 | 2015-03-19 | Ricoh Company, Ltd. | Plasma treatment apparatus, printing apparatus, printing system, and method of producing printed matter |
CN106797698A (zh) * | 2014-07-25 | 2017-05-31 | 东芝三菱电机产业系统株式会社 | 原子团气体产生系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3121105B2 (ja) * | 1992-03-03 | 2000-12-25 | 株式会社きもと | グロー放電プラズマ発生用電極及びこの電極を用いた反応装置 |
CN2930194Y (zh) * | 2006-07-18 | 2007-08-01 | 万京林 | 辉光放电低温等离子体装置 |
CN101469414B (zh) * | 2007-12-26 | 2010-09-29 | 中国科学院微电子研究所 | 平板式等离子体增强化学汽相淀积设备的反应室结构 |
CN101902872A (zh) * | 2009-05-27 | 2010-12-01 | 中国科学院微电子研究所 | 大面积平板常压射频冷等离子体系统 |
CN202388418U (zh) * | 2011-12-21 | 2012-08-22 | 东莞广泽汽车饰件有限公司 | 一种旋转夹具 |
CN202763810U (zh) * | 2012-08-08 | 2013-03-06 | 吴江市博众精工科技有限公司 | 一种自动定位的旋转机构 |
CN103972014B (zh) * | 2014-05-22 | 2016-05-18 | 中国地质大学(北京) | 等离子体反应腔室电极间隙调整装置及等离子体反应腔室 |
CN105470169A (zh) * | 2015-11-20 | 2016-04-06 | 中国科学院微电子研究所 | 面向GaN器件的介质生长系统及其操作方法 |
CN105555002A (zh) * | 2016-02-01 | 2016-05-04 | 江苏微导纳米装备科技有限公司 | 一种动态平行板等离子体发生器 |
-
2019
- 2019-08-19 CN CN201910763484.8A patent/CN110677970B/zh active Active
- 2019-12-24 WO PCT/CN2019/127950 patent/WO2021031487A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102110572A (zh) * | 2009-12-25 | 2011-06-29 | 东京毅力科创株式会社 | 等离子处理装置 |
US20110180149A1 (en) * | 2010-01-28 | 2011-07-28 | Fine Neal E | SINGLE DIELECTRIC BARRIER DISCHARGE PLASMA ACTUATORS WITH IN-PLASMA catalysts AND METHOD OF FABRICATING THE SAME |
CN102036460A (zh) * | 2010-12-10 | 2011-04-27 | 西安交通大学 | 平板式等离子体发生装置 |
CN104160790A (zh) * | 2011-08-11 | 2014-11-19 | 韩国机械研究院 | 等离子体发生器、用于等离子体发生器的旋转电极的制造方法、执行基板的等离子体处理的方法、以及采用等离子体形成具有混合结构的薄膜的方法 |
US20150077492A1 (en) * | 2013-09-17 | 2015-03-19 | Ricoh Company, Ltd. | Plasma treatment apparatus, printing apparatus, printing system, and method of producing printed matter |
CN106797698A (zh) * | 2014-07-25 | 2017-05-31 | 东芝三菱电机产业系统株式会社 | 原子团气体产生系统 |
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