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WO2019011002A1 - 一种用于空气净化的双极离子发生器以及使用该双极离子发生器的散流器 - Google Patents

一种用于空气净化的双极离子发生器以及使用该双极离子发生器的散流器 Download PDF

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Publication number
WO2019011002A1
WO2019011002A1 PCT/CN2018/080245 CN2018080245W WO2019011002A1 WO 2019011002 A1 WO2019011002 A1 WO 2019011002A1 CN 2018080245 W CN2018080245 W CN 2018080245W WO 2019011002 A1 WO2019011002 A1 WO 2019011002A1
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WO
WIPO (PCT)
Prior art keywords
plate
ion generator
dielectric barrier
bipolar ion
emitter
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Application number
PCT/CN2018/080245
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English (en)
French (fr)
Inventor
倪蕴石
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深圳元启环境能源技术有限公司
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Application filed by 深圳元启环境能源技术有限公司 filed Critical 深圳元启环境能源技术有限公司
Priority to AU2018301556A priority Critical patent/AU2018301556B2/en
Priority to KR1020207000774A priority patent/KR102306248B1/ko
Priority to PL18832452T priority patent/PL3544130T3/pl
Priority to DK18832452.9T priority patent/DK3544130T3/da
Priority to EP18832452.9A priority patent/EP3544130B1/en
Priority to JP2019538399A priority patent/JP6947830B2/ja
Priority to SG11202000281TA priority patent/SG11202000281TA/en
Priority to ES18832452T priority patent/ES2870653T3/es
Priority to RU2020100126A priority patent/RU2737111C1/ru
Priority to CA3068902A priority patent/CA3068902C/en
Priority to US16/472,126 priority patent/US11050223B2/en
Publication of WO2019011002A1 publication Critical patent/WO2019011002A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22—Ionisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation

Definitions

  • This invention relates to ionizers, and more particularly to an alternating bipolar ionizer, and more particularly to an alternating bipolar ionizer for air purification.
  • Needle discharge device (unipolar). Needle discharge is the most familiar gas discharge device. Because the tip of the tip has a small area and a large curvature change, it is the easiest to discharge in the case of the same material, so it is the most used in the field of electrostatic precipitator. Earlier in the country, the needle tip was placed in a hexagonal honeycomb array structure. Later, some people changed it into a needle-hole circular hole structure, which has obvious effects on dust collection. Because it is unipolar, it does not have redox capability, so there is no Eliminate odors. As a unipolar generator, neither positive nor negative can meet the need to improve and improve air quality.
  • a device that uses wire discharge (unipolar).
  • a device that uses a wire (generally a tungsten wire) to discharge the main structure of which is made of tungsten wire high voltage (typical power supply configuration is +8150V), the separator between the high voltage wires is grounded, and the dust collecting plate (-3650V) is used.
  • the configuration is a unipolar air purification module with electrostatic dust collection as the main function. Because the diameter of the tungsten wire used is very good, the point where there is no concentrated discharge will be sharply passivated, and the high pressure will occur. When the particles in the extreme gas flow are positively charged, it is easy to retain the surface when it reaches the negative dust collecting plate. This structure is effective, but it does not have the odor generated by indoor organic volatiles. Degradation of the mechanism of oxidation, so in this type of equipment often add a negative ion generator (generating a small amount of ozone) at the back end to make up for its shortcomings.
  • the above two discharge forms have a very effective function, which is the visual effect of crushing the aerosol in an instant.
  • Many manufacturers use it as a demonstrator to allow the soot to flow naturally through the generator when the thermodynamic expansion increases.
  • the observer is told that the air is purified.
  • the crushed aerosol becomes a small particle that the human eye may not be able to observe.
  • the original molecule has not changed, and the smell is still not Eliminated, so people are always looking for other ways to satisfy the deodorization effect.
  • an M-type activated carbon filter or the like is added at the rear end of the air flow path.
  • the generator has two high-voltage terminals, respectively, and a DC positive and negative high voltage, respectively, to emit positive and negative ions, which is typically a sharp ion mode of Sharp, and two adjacent emitters respectively excite their own polar ion air.
  • Gas molecules or particles of the same charge repel each other (formation of ion wind). If there are gas molecules or particles with different charges in the vicinity, they will attract each other, and collision quenching becomes a neutral molecule or particle.
  • the essence of this process is organic.
  • the price reduction of volatiles is the process in which the energy of the opposite-charged gas and the particles collide with each other to participate in the process of oxidative decomposition.
  • the electrolyte in the cell membrane is electrified. It is killed, and a large number of gas molecules and granules that do not have the opportunity to annihilate with the charge of the opposite charge are charged and charged, so that this part of the particles is converted from fly ash to dust. Therefore, the performance of the bipolar ion generator is much better than that of the monopolar ion generator, which is determined by its own mechanism.
  • the technical solution of the present invention is a bipolar ion generator for air purification, which is characterized in that a substrate with a thermal conductive sheet, a porous emitter plate, a dielectric barrier plate, and a porous ground plate with an ion extraction mechanism are sequentially stacked.
  • the combined plate structure is characterized in that a substrate with a thermal conductive sheet, a porous emitter plate, a dielectric barrier plate, and a porous ground plate with an ion extraction mechanism are sequentially stacked.
  • the above-described bipolar ion generator for air purification comprising a first emitter plate disposed on a top surface of the substrate and a second emitter plate disposed on a bottom surface of the substrate;
  • the dielectric barrier plate includes a first dielectric barrier plate disposed above the first emitter plate, and a second dielectric barrier plate disposed under the second emitter plate;
  • the grounded plate is included in the first a first grounding plate provided on the dielectric blocking plate, and a second grounding plate disposed under the second dielectric blocking plate;
  • the first and second emitter plates are both porous metal sheets;
  • the first grounding plate and the second grounding plate are both porous metal foils;
  • the electric field gradient formed by the heat conducting plate and the first emitter plate is smaller than the electric field gradient formed by the first emitter plate and the first grounding plate,
  • the electric field gradient formed by the heat conducting plate and the second emitter plate is smaller than the electric field gradient formed by the second emitter plate and the second ground plate.
  • the heat conducting sheet is located at the center of the substrate to divide the substrate into two pieces which are equally divided vertically; the first medium blocking plate and the second dielectric blocking plate are The same material and the same thickness.
  • the porous metal foil of the same structure of the first grounding pole piece and the second grounding pole piece has an array of meshes arranged in an array.
  • the first dielectric barrier plate and the second dielectric barrier plate are both high-silicon glass plates or modified ceramic plates.
  • the heat conductive sheet is an electric heating sheet.
  • the above-described bipolar ion generator for air purification is provided with a seal ring around the plate structure.
  • the grounding pole piece and the emitter piece with the ion extracting structure form an electric field with a precise size, and the electron of the emitter piece is led out of the dielectric blocking plate on the grounding side of the electric field, and a part of the electron meets the grounding pole plate.
  • the current flowing into the grounding plate forms a current, and a part of the escaping medium meets the indoor air molecules.
  • the oxygen molecules can be excited to the ionic state to improve the air quality.
  • the bipolar ions alternately, so that the bipolar ion gas flow can be injected into the air to effectively improve the air quality.
  • Figure 1 is a front elevational view of a bipolar ion generator for air purification of the present invention.
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
  • Figure 3 is a cross-sectional view taken along line B-B of Figure 2;
  • Figure 4 is a schematic illustration of a diffuser using a bipolar ion generator.
  • the heat conducting sheet 6 is located at the center of the substrate 3, and divides the substrate 3 into an upper substrate 31 and a lower substrate 32 which are equally divided vertically;
  • the emitter plate includes a first emitter plate 41 placed on the top surface of the upper substrate 31 and a placement a second emitter plate 42 on the bottom surface of the substrate 32; a first dielectric barrier plate 21 disposed on the first emitter plate 41, and a second dielectric barrier disposed under the second emitter plate 42 a second grounding plate 51 disposed on the first dielectric barrier plate 21, and a second grounding plate 52 disposed under the second dielectric barrier plate 22;
  • the first dielectric barrier plate 21 is the same material as the second dielectric barrier 22, and the thickness is the same and preferably the same.
  • the substrate with the thermal conductive sheet 6, the porous emitter plate, the dielectric barrier plate, and the porous grounding plate with the ion extraction mechanism are sequentially laminated to form a plate structure.
  • the first emitter plate 41 and the second emitter plate 42 are both porous metal sheets; the first ground plate 51 and the second ground plate 52 are both porous metal sheets; when the substrate 3 and the When the first dielectric barrier plate 21 and the second dielectric barrier plate 22 are of the same material, the thickness of the substrate 3 is thicker than the thickness of the first dielectric barrier plate 21 and the second dielectric barrier plate 22 to ensure the
  • the electric field gradient formed by the heat conducting plate 6 and the first emitter plate 41 is smaller than the electric field gradient formed by the first emitter plate 41 and the first ground plate 51, and the electric field formed by the heat conducting plate 6 and the second emitter plate 42
  • the gradient is smaller than the electric field gradient formed by the second emitter plate 42 and the second ground plate 52, ensuring that the electron extraction direction is on the side of the first ground plate 51 and the second ground
  • the porous metal foil of the same structure of the first grounding pole piece 51 and the second grounding pole piece 52 has an array of meshes arranged in an array.
  • the first dielectric barrier plate 21 and the second dielectric barrier plate 22 are both high silicon glass plates or modified ceramic plates.
  • the heat conducting plate 6 is an electric heating sheet.
  • a seal ring 1 is provided around the periphery of the plate structure.
  • the effect of the bipolar ion generator of the present invention in capturing smaller respirable particulate matter in the air is more active than the unipolar ionized gas due to mutual attraction from the gas stream flowing out of the ionized ionization zone, and thus particularly in the case of smaller particle size Inhalation of particulate matter is more pronounced.
  • the ion wind with the bipolar ion alternating excitation function has the effect of expansion, and the mutual attraction mechanism of the different ions makes the abnormal ion collide sharply outside the exit, such as not obtaining in the process. In the case of gaseous molecules in the presence of organic volatiles, they return to each other and return to the neutral state of the oxygen molecule.
  • NS-DBD with bipolar ion alternating excitation function has obvious degradation effect on formaldehyde, and it is also easier to solve the degradation of gaseous molecules like ammonia/benzene.
  • the bipolar ion generator of the present invention is effective in killing bacteria in a very short time.
  • a diffuser using a bipolar ion generator is arranged in which the bipolar ion generator 8 is arranged in the same direction on the vane 71 of the diffuser 7 and inside the air outlet.
  • the material of the air outlet is preferably made of non-metal material, so that more air with positive and negative ions can be injected into the indoor space, and the bipolar ions can get the chance of inhaling particulate matter/organic volatile gaseous molecules/floating bacteria in the indoor space.
  • the bipolar ion generator is an active purification device.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Electrostatic Separation (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

本发明涉及离子发生器，尤其一种用于空气净化的交替式双极离子发生器。离子发生器为由带导热片的基板、多孔式的发射极板、介质阻挡板及具离子引出机制的多孔接地极板依次叠合构成的板式结构。采用上述技术方案，带离子引出结构的接地极片与发射极片构成一个具有精密尺寸的电场，其在电场接地一侧将发射极片的电子引出介质阻挡板，一部分电子与接地极极板相遇流入接地极板形成电流，一部分则逸出介质表面与室内空气分子相遇，当逸出电子达到一定速率时，便可激励氧分子为离子态，改善空气品质。当输入交流高压电流时，双极离子交替发生，从而可以向空气中注入双极离子气流，有效改善空气质量。

Description

一种用于空气净化的双极离子发生器以及使用该双极离子发生器的散流器 技术领域
本发明涉及离子发生器，尤其是一种交替式双极离子发生器，特别是一种用于空气净化的交替式双极离子发生器。
背景技术
现有技术中利用气体电离净化空气主要有以下几种结构方式：
1.针尖放电装置(单极)。针尖放电是大家最熟悉的气体放电装置，由于针尖的顶端其面积很小，曲率变化大，同类材料的情况下最容易放电，所以最早也最多的被应用在静电除尘等领域。国内较早将针尖置于六角蜂巢式阵列结构中，后来有人将其改成针尖圆孔结构，其对于集尘都有明显地效果，由于其为单极性，不具备氧化还原能力，所以没有消除异味的功能。其作为单极的发生器，无论是正的还是负的，都不能满足改善和提升空气品质的需求。在近几年里，也有采用碳纤维束作为放电极，从一致性来说，其优于针尖，但集束效应会导致胶化而失效。那么能否在单针尖上实现正负离子的激发呢？实验证明，由于交流高压在针尖局部会产生急剧的氧化现象，很快的使针尖的锐度变钝，使其无法继续放电而导致失效，所以在通常条件下我们很难在单针尖的装置中实现双极离子的发生。
2.采用丝放电的装置(单极)。采用丝(一般采用钨丝)放电的装置，其主要的结构由钨丝高压(典型的电源配置是+8150V)，高压丝之间的隔板接地，集尘极板(-3650V)，这样的配置是一个单极的、以静电集尘为主要功能的空气净化模块，由于采用的钨丝其直径的一致性很好，没有集中放电的点会急剧钝化的可能，再加上流经高压发生极的气流中的颗粒物被荷上正电时，到达带负极性的集尘板上就很容易滞留其表面，这种结构形式 很有效，但是对于以室内有机挥发物所产生的异味还是不具备降解氧化的机理，所以在该类设备中往往在后端加一个负离子发生器(产生少量臭氧)来弥补其不足。
上述二种放电形式有一个很有效的功用，就是在瞬间将气溶胶击碎的直观效果，很多厂商将其做成演示器，让烟尘在热力学扩展上升时自然流经发生器时，气溶胶瞬间被击碎，使观测者感到神奇时告知空气被净化了，实际上击碎的气溶胶变成了人眼未必能观测到的小颗粒，原来是什么性质的分子都没有变化，气味依然没有被消除，因此人们一直在寻找其他方式来满足除味效果。比方在气流途径的后端增加一个M型带活性碳的过滤器等。
3.采用双针尖(碳素纤维束)的双极离子发生器。该发生器有二个高压端，分别施与其直流正负高压，使其分别发出正负离子来，比较典型就是夏普的净离子方式，二个相邻的发射极各自激发自己极性离子空气，该同号电荷的气体分子或颗粒物相互排斥(形成离子风)，如果在附近有异号电荷的气体分子或颗粒物，就会相互吸引，碰撞湮灭成为中性的分子或颗粒物，这个过程的本质对于有机挥发物的降价是异号电荷的气体和颗粒物相互碰撞时的能量参与了氧化分解的过程，对于在相互吸引碰撞湮灭过程中获与空气中的浮游菌，就会使其细胞膜内的电解质得电而被灭杀，对于大量没有机会与异号电荷湮灭的离子态的气体分子与颗粒物相遇后使其荷电，让这部分颗粒物从飘尘转化为降尘。所以双极异号的离子发生器的性能极大的优于单极的离子发生器，这是由其本身的机理所决定的。
发明内容
本发明的目的是克服上述现有技术的缺陷，提供一种多孔或多排丝阵列的双极离子交替发生器来满足向被处理的人居环境中注入双极离子气流的技术方案,来满足对室内空气品质的提升与改善。
本发明技术方案：一种用于空气净化的双极离子发生器，其特征在于由带导热片的基板，多孔式的发射极板，介质阻挡板、具离子引出机制的 多孔接地极板依次叠合构成的板式结构。
上述的一种用于空气净化的双极离子发生器，所述发射极板包括置于所述基板顶面的第一发射极板以及置于所述基板底面的第二发射极板；所述介质阻挡板包括在所述第一发射极板上面设有的第一介质阻挡板，以及在所述第二发射极板下面设有的第二介质阻挡板；所述接地极板包括在第一介质阻挡板上设有的第一接地极板，在第二介质阻挡板下面设有的第二接地极板；所述第一发射极板和第二发射极板都是多孔金属薄片；所述第一接地极板和第二接地极板都为多孔金属薄片；所述导热板与第一发射极板所形成的电场梯度小于第一发射极板与第一接地极板形成的电场梯度，所述导热板与第二发射极板所形成的电场梯度小于第二发射极板与第二接地极板形成的电场梯度。
上述的一种用于空气净化的双极离子发生器，所述的导热片位于基板的中央将基板分成上下均分的两块；所述第一介质阻挡板与所述第二介质阻挡板为同一种材料，并且厚度相同。
上述的一种用于空气净化的双极离子发生器，所述第一接地极片和第二接地极片同样结构的多孔金属薄片，其网孔的排列采用阵列规则分布。
上述的一种用于空气净化的双极离子发生器，所述第一介质阻挡板和第二介质阻挡板都是高硅玻璃板或改性陶瓷板。
上述的一种用于空气净化的双极离子发生器，所述导热片为一电发热片。
上述的一种用于空气净化的双极离子发生器，在板式结构的周边设有密封圈。
一种使用双极离子发生器的散流器，在散流器的叶片上依照同一方向排列安装双极离子发生器。
采用上述技术方案，带离子引出结构的接地极片与发射极片构成一个具有精密尺寸的电场，其在电场接地一侧将发射极片的电子引出介质阻挡板，一部分电子与接地极极板相遇流入接地极板形成电流，一部分则逸出 介质表面与室内空气分子相遇，当逸出电子达到一定速率时，便可激励氧分子为离子态，改善空气品质。当输入交流高压电流时，双极离子交替发生，从而可以向空气中注入双极离子气流，有效改善空气质量。
附图说明
图1是本发明一种用于空气净化的双极离子发生器的主视图。
图2是图1所示A-A剖视图。
图3是图2所示B-B剖视图。
图4是使用双极离子发生器的散流器示意图。
具体实施方式
下面结合实施例以及附图对本发明作进一步详述。
如图1、图2、图3所示为本发明一种用于空气净化的双极离子发生器实施例。导热片6位于基板3的中央将基板3分成上下均分的上基板31和下基板32；所述发射极板包括置于所述上基板31顶面的第一发射极板41以及置于所述下基板32底面的第二发射极板42；在所述第一发射极板41上面设有的第一介质阻挡板21，在所述第二发射极板42下面设有的第二介质阻挡板22；在所述第一介质阻挡板21上设有的第一接地极板51，在所述第二介质阻挡板22下面设有的第二接地极板52；所述第一介质阻挡板21与所述第二介质阻挡板22为同一种材料，其厚度相同最好相同。带导热片6的基板，多孔式的发射极板，介质阻挡板、具离子引出机制的多孔接地极板依次叠合构成的板式结构。所述第一发射极板41和第二发射极板42都是多孔金属薄片；所述第一接地极板51和第二接地极板52都为多孔金属薄片；当所述基板3与所述第一介质阻挡板21、第二介质阻挡板22为同材质的情况下，基板3的厚度要比第一介质阻挡板21和第二介质阻挡板22的厚度要较厚些，以保证所述导热板6与第一发射极板41所形成的电场梯度小于第一发射极板41与第一接地极板51形成的电场梯度，所述导热板6与第二发射极板42所形成的电场梯度小于第二发射极板42与第二接地极 板52形成的电场梯度，确保电子引出方向在第一接地极板51和第二接地极板52一侧，如此可以保证在空调系统制冷时，在有可能在其气流流经处产生凝露的现象时，在基板3内置的导热板6可以确保从介质阻挡材料逸出的电子少受水分子的干扰，能以其合适的能态激励空气中的氧分子。
本实施例中，所述第一接地极片51和第二接地极片52同样结构的多孔金属薄片，其网孔的排列采用阵列规则分布。
本实施例中，所述第一介质阻挡板21和第二介质阻挡板22都是高硅玻璃板或改性陶瓷板。
本实施例中，所述导热板6为一电发热片。
本实施例中，在板式结构的周边设有密封圈1。
本发明双极离子发生器在捕获空气中较小的可吸入颗粒物的效果由于从异号电离区流出的气流中相互吸引而较之单极电离气体更活跃,因此尤其在较小粒径的可吸入颗粒物更为明显。本发明具有双极离子交替激发功能流出的离子风,其本身具有膨胀的效应,再加上异号离子的相互吸引的机理,使异号离子在出口外急剧碰撞,如在该过程中没有获遇有机挥发物的气态分子,二者之间就相互湮灭回归到原来中性的氧气分子状态,如果其获遇到被处理的有机挥发物的气态分子时,其高于氧气分子的氧化能力与二个离子结合时的动量,会有效的离解有机化发物的气态分子,从而改变其化学特性,通常这些气态分子会最终变化为水和二氧化碳的气态分子,实验证明,在没有任何过滤器和集尘器的条件下,采用双极离子交替激发功能的NS-DBD对甲醛的降解效果极为明显,同样也更容易解决像氨/苯系物气态分子的降解。本发明双极离子发生器在极短的时间里能够有效地杀灭细菌。
如图4所示为一种使用双极离子发生器的散流器，在散流器7的叶片71上、出风口内侧依照同一方向排列安装双极离子发生器8。出风口的材质最好选用非金属材质,这样就能有更多携带正负离子的的气流注入室内空间,双极离子在室内空间获遇可吸入颗粒物/有机挥发物的气态分子/浮游菌的机会会高于净流入的空气通量,就此意义上说,双极离子发生器是一 种主动净化装置。
以上所述的仅是本发明的优先实施方式。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明原理的情况下，还可以作出若干改进和变型，这也视为本发明的保护范围。

Claims (10)

  1. 一种用于空气净化的双极离子发生器，其特征在于包括：由带导热片的基板、多孔式的发射极板、介质阻挡板及具离子引出机制的多孔接地极板依次叠合构成的板式结构。
  2. 根据权利要求1所述的用于空气净化的双极离子发生器，其特征在于，所述多孔式的发射极板包括置于所述基板的顶面的第一发射极板以及置于所述基板的底面的第二发射极板；所述介质阻挡板包括设置在所述第一发射极板上面的第一介质阻挡板，以及设置在所述第二发射极板下面的第二介质阻挡板；所述多孔接地极板包括设置在所述第一介质阻挡板上的第一接地极板，及设置在所述第二介质阻挡板下面的第二接地极板；所述第一发射极板和第二发射极板均为多孔薄片金属制成的发射极板；所述第一接地极板和第二接地极板均为多孔薄片金属制成的接地极板；所述导热片与所述第一发射极板之间所形成的电场梯度小于所述第一发射极板与第一接地极板之间形成的电场梯度，所述导热片与第二发射极板之间所形成的电场梯度小于所述第二发射极板与所述第二接地极板之间形成的电场梯度。
  3. 根据权利要求2所述的用于空气净化的双极离子发生器，其特征在于，所述导热片位于所述基板的中央并且将基板上下均分为两部分；所述第一介质阻挡板与所述第二介质阻挡板由同一种材料制成，并且其厚度相同。
  4. 根据权利要求3所述的用于空气净化的双极离子发生器，其特征在于，所述第一接地极片和第二接地极片上均开设以阵列形式分布的网孔。
  5. 根据权利要求3所述的用于空气净化的双极离子发生器，其特征在于，所述第一介质阻挡板和第二介质阻挡板均为高硅玻璃或改性陶瓷制成的介质阻挡板。
  6. 根据权利要求4所述的用于空气净化的双极离子发生器，其特征在 于，所述第一介质阻挡板和第二介质阻挡板均为高硅玻璃或改性陶瓷制成的介质阻挡板。
  7. 根据权利要求3所述的用于空气净化的双极离子发生器，其特征在于，所述导热片为电发热片。
  8. 根据权利要求4所述的用于空气净化的双极离子发生器，其特征在于，所述导热片为一电发热片。
  9. 根据权利要求8所述的用于空气净化的双极离子发生器，其特征在于，所述板式结构的周边设有密封圈。
  10. 一种散流器，其特征在于：包括叶片及多个权利要求4所述的双极离子发生器，所述双极离子发生器依照同一方向设置在所述散流器的所述叶片上。
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