CN216744779U - Plasma purifier and air purifier - Google Patents
Plasma purifier and air purifier Download PDFInfo
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- CN216744779U CN216744779U CN202120708855.5U CN202120708855U CN216744779U CN 216744779 U CN216744779 U CN 216744779U CN 202120708855 U CN202120708855 U CN 202120708855U CN 216744779 U CN216744779 U CN 216744779U
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Abstract
The utility model relates to an air purification technique specifically is a plasma purifier and air purifier, above-mentioned plasma purifier, include: a plasma generating device and a catalytic device; the catalytic device is sleeved outside the plasma generating device and used for enhancing the purification effect of the plasma. According to the arrangement, pollutants are rapidly gathered around the plasma generating device through the catalytic device, high-energy electrons and excited state free radicals in the space are the most, and the reaction effect is better; meanwhile, the catalytic device can further reduce the reaction activation energy, promote the reaction of active species and polluted gas and further efficiently purify the air environment. In addition, the plasma generating device generates plasma and simultaneously generates ozone easily, so that the ozone is harmful to human bodies, the ozone generated by the plasma generating device can be decomposed through the catalytic device, secondary pollution is avoided, and the air purification effect is further improved.
Description
Technical Field
The utility model relates to a technique of air-purifying specifically is a plasma purifier and air purifier.
Background
Air purification is a very hot theme at present, and air purification means that to provide the whole solutions such as disinfection, dust fall except that haze, dispel harmful fitment and remain and peculiar smell to various indoor environmental problems, improves and improves life, office conditions, promotes physical and mental health. The indoor environmental pollutants and pollution sources mainly comprise radioactive gas, mould, particulate matters, decoration residues, second-hand smoke and the like, at present, a plasma purification technology is generally adopted, but the plasma efficiency is not high, secondary pollutants are easy to generate, and the purification effect is influenced, so that the invention of the plasma purification device capable of efficiently purifying the air environment is necessary.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a aim at solving one of the technical problem that exists among the prior art or the correlation technique at least.
To this end, it is an object of an embodiment of the present invention to provide a plasma purification apparatus.
Another object of the embodiments of the present invention is to provide an air purifier including the above plasma purification device.
In order to achieve the above object, the present invention provides a plasma purification apparatus, which includes:
a plasma generating device and a catalytic device;
the catalytic device is sleeved on the plasma generating device and used for enhancing the purification effect of the plasma.
In addition, the embodiment of the present invention provides a plasma purification apparatus in the above technical solution, which can also have the following additional technical features:
in a technical solution of the present invention, a plasma generating apparatus includes:
an electrode assembly, a dielectric layer, and a power supply,
the electrode assembly includes: a first electrode and a second electrode;
the first electrode and the second electrode are respectively connected with a power supply; the dielectric layer is located between the first electrode and the second electrode.
In a preferred embodiment of the present invention, the first electrode is located outside the second electrode, and the second electrode is a high voltage electrode.
In a technical solution of the present invention, a catalytic apparatus includes: a catalyst, a shell and a supporting frame,
the support frame is arranged between the power supply and the electrode assembly; the shell is connected with the support frame and sleeved on the electrode assembly; the catalyst is filled in the shell.
In one technical solution of the present invention, the housing is a metal housing or an inert plastic housing.
In a technical solution of the present invention, the catalyst includes: at least one of a carbon material, a metal oxide, and a noble metal.
In a technical solution of the present invention, the shape of the catalyst includes: at least one of granular, cylindrical, and honeycomb.
In one technical solution of the present invention, the voltage of the power supply is 2000V to 4000V; the discharge frequency of the power supply is 50Hz to 1000 Hz.
In a technical solution of the present invention, the plasma purifying apparatus further includes: the box body is covered on the plasma purification device;
the box includes: the air duct is communicated with two ends of the box body, and an air inlet of the air duct is provided with a fan.
The utility model discloses the technical scheme of the second aspect provides an air purifier, and air purifier includes the plasma purifier of any one of the above-mentioned.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
the utility model provides a plasma purifier, this plasma purifier are provided with plasma generating device and catalytic unit, and wherein, the catalytic unit cover is established in plasma generating device's outside, and catalytic unit is used for strengthening the purifying effect of plasma, so sets up, has improved discharging and absorbent characteristic of plasma through catalytic unit, and then can the efficient air-purifying environment. The plasma generating device can generate ozone while generating plasma, so that environmental pollution is caused, the ozone generated by the plasma generating device can be eliminated through the catalytic device, extra pollution is avoided, and the air purification effect is further improved.
Other advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a plasma purification apparatus according to an embodiment of the present invention;
wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 is:
100 plasma generating device, 110 electrode assembly, 112 first electrode,
114 second electrode, 120 dielectric layer, 130 power supply, 200 catalytic device,
210 catalyst, 220 shell, 230 support frame.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The plasma purification technology is a technology that under the action of an external electric field, a large amount of high-energy electrons generated by dielectric barrier discharge and generated active species bombard pollutant molecules to ionize, dissociate and excite the pollutant molecules, and then a series of complex physical and chemical reactions are initiated to convert complex macromolecular pollutants into simple micromolecular safe substances or convert toxic and harmful substances into nontoxic harmless or low-toxicity and low-harm substances, so that the pollutants are degraded and removed.
In an embodiment of the present invention, a plasma purifying apparatus includes: a plasma generating device 100 and a catalytic device 200; the catalytic device 200 is sleeved on the plasma generating device 100, and the catalytic device 200 is used for enhancing the purification effect of the plasma.
In this embodiment, the plasma purification apparatus is provided with the plasma generation apparatus 100 and the catalytic apparatus 200, wherein the catalytic apparatus 200 is sleeved outside the plasma generation apparatus 100, and the catalytic apparatus 200 is used for enhancing the purification effect of the plasma, so as to enhance the adsorption of the pollutants and the interaction of the plasma through the catalytic apparatus 200, the catalytic apparatus 200 can rapidly gather the pollutants around the plasma generation apparatus 100, the most energetic electrons and excited state free radicals around the plasma generation apparatus exist, the reaction effect is better, and meanwhile, the catalytic apparatus 200 can further reduce the reaction activation energy, promote the reaction of the active species and the polluted gas, and further can efficiently purify the air environment.
And the plasma generating device 100 can generate plasma and ozone easily, which is harmful to human body, and the ozone generated by the plasma generating device 100 can be decomposed by the catalytic device 200, so that secondary pollution is avoided, and the air purification effect is further improved.
It can be understood that the plasma generator 100 is a tubular plasma generator, which increases the contact area with the catalytic device 200 and further improves the efficiency of air purification.
In an embodiment of the present invention, the plasma generation apparatus 100 includes: electrode assembly 110, dielectric layer 120, and power supply 130, electrode assembly 110 comprising: a first electrode 112 and a second electrode 114; the first electrode 112 and the second electrode 114 are respectively connected to a power supply 130; dielectric layer 120 is located between first electrode 112 and second electrode 114.
In this embodiment, the plasma generating apparatus 100 is provided with an electrode assembly 110, a dielectric layer 120 and a power supply 130, wherein the electrode assembly 110 is provided with a first electrode 112 and a second electrode 114, the first electrode 112 and the second electrode 114 are respectively connected to the power supply 130, and the dielectric layer 120 is located between the first electrode 112 and the second electrode 114, it can be understood that the power supply 130 is a high voltage power supply 130, and the dielectric is made of glass material, in order to generate plasma more effectively. So set up, be connected with power 130 respectively through first electrode 112 and second electrode 114, form the external electric field, under the effect of external electric field, through setting up the medium, when making discharge evenly, the great amount of energy-carrying electron bombardment pollutant molecules and the high energy free radical of production make its ionization, dissociation and excitation, initiate a series of complicated physics afterwards, chemical reaction, make complicated macromolecular pollutant change into simple micromolecule safety material, or make poisonous harmful substance change into nontoxic harmless or the material of low toxicity low harm, thereby get rid of the pollutant degradation.
In one embodiment of the present invention, the first electrode 112 is located outside the second electrode 114, the second electrode 114 is a high voltage electrode, and the first electrode 112 is grounded.
In this embodiment, the first electrode 112 is disposed outside the second electrode 114, i.e. the first electrode 112 is located on the side closer to the catalytic device 200, the first electrode 112 is grounded, and the second electrode 114 is a high voltage electrode, so that the catalytic device 200 is prevented from electric shock when being installed, and the safety performance of the plasma purification apparatus is improved.
In one embodiment of the present invention, the catalytic device 200 includes: a catalyst 210, a case 220, and a support frame 230, the support frame 230 being disposed between the power source 130 and the electrode assembly 110; the casing 220 is connected to the supporting frame 230, and the casing 220 is sleeved on the electrode assembly 110; the catalyst 210 is filled in the case 220.
In this embodiment, the catalytic device 200 is provided with the catalyst 210, the housing 220 and the support frame 230, wherein the support frame 230 is disposed between the power source 130 and the electrode assembly 110, the housing 220 is sleeved outside the first electrode 112, and the housing 220 is mounted on the support frame 230, the catalyst 210 is filled in the gap between the housing 220 and the first electrode 112, in this way, the catalytic device 200 and the plasma generating device 100 are supported by the support frame 230, the housing 220 leaves enough space for the catalyst 210, and the housing 220 can be selected to be in the shape of a cylinder or a cuboid according to the actual space and the requirement of the shape. The catalyst 210 improves the plasma discharge and the adsorption effect on pollutants, thereby improving the efficiency of purifying the air environment; meanwhile, the activation energy of reaction substances can be reduced, and gaseous pollutants, microorganisms, viruses and the like can be efficiently removed. In the second aspect, when plasma generating device 100 produces plasma, can produce ozone, ozone can cause harm to the human body for plant leaves turn yellow or wither, react with indoor building material, household articles etc. and cause ageing, fade etc. and influence, catalyst 210 can strengthen the elimination effect to ozone, has avoided the emergence of above-mentioned phenomenon, when having avoided the influence of ozone, has further improved air-purifying environment's effect.
In one embodiment of the present invention, the housing 220 is a metal housing 220 or an inert plastic housing 220.
In this embodiment, the housing 220 may be a metal housing 220 or an inert plastic housing 220, since the first electrode 112 is a ground electrode and is located further to the outside than the second electrode 114, there is no need to worry about the problem of electric shock caused by selecting a metal material, and further, the metal material may be stainless steel, which prevents the housing 220 from rusting and aging, improves the service life, and the inert plastic material may be ptfe, which does not easily react, and improves the stability of the housing 220. It is understood that the housing 220 is a gas permeable housing.
In one embodiment of the present invention, the catalyst 210 includes: at least one of a carbon material, a metal oxide, and a noble metal.
In this embodiment, the catalyst 210 may be at least one of a carbon material, a metal oxide and a noble metal with a large specific surface area and a good catalytic effect, wherein the carbon material may be activated carbon, carbon nanotubes, graphene and the like, and the metal oxide may be Al2O3、MnO2、CaTiO3、TiO2The noble metal can be selected from Ag, Pt, etc., the catalyst 210 can be selected from one of the above or a mixture of several of the above according to the type of the gas pollutant in the specific use scene, it can be understood that, in the first aspect, the above catalysts 210 promote the adsorption effect on the pollutant, quickly gather the pollutant around the plasma generating device 100, and the high-energy electrons and excited state free radicals around the plasma generating tube are the most, so the reaction effect is better; in a second aspect, the catalyst 210 may further reduce the reaction activation energy to promote the reaction of the active species with the contaminant gas; in a third aspect, the catalyst 210 may decompose a small amount of ozone generated during the plasma generation process, thereby serving to eliminate secondary contaminants. The influence of ozone on the human body and the surrounding environment is avoided.
In one embodiment of the present invention, the shape of the catalyst 210 includes: at least one of granular, cylindrical, and honeycomb.
In this embodiment, the catalyst 210 has at least one of a granular, cylindrical, and honeycomb shape. These shapes are more favorable for catalytic reactions, further improving the effect of purifying the air environment, and are more favorable for eliminating ozone.
In one embodiment of the present invention, the voltage of the power supply 130 is 2000V to 4000V; the discharge frequency of the power supply 130 is 50HZ to 1000 HZ.
In this embodiment, the voltage of the power source 130 is selected to be in the range of 2000V to 4000V, and the discharge frequency of the power source 130 is selected to be in the range of 50HZ to 1000 HZ.
In an embodiment of the present invention, the plasma purifying apparatus further includes: the box body is covered on the plasma purification device; the box includes: the air duct is communicated with two ends of the box body, and an air inlet of the air duct is provided with a fan.
In the embodiment, the plasma purification device is also provided with a box body, and the box body covers the outer side of the plasma purification device; the box is located plasma purifier's top and is provided with the wind channel, and the wind channel communicates in the both ends of box, and the air intake in wind channel is provided with the fan, blows the air that needs to purify to plasma purifier through the fan to treat the flow of air-purifying with higher speed, further improved air purification effect.
In an embodiment of the present invention, there is provided an air purifier including the plasma purification apparatus of any one of the above.
In an embodiment of the present invention, an air purifier is provided, wherein the air purifier is provided with the above plasma purification device, so as to have all the beneficial effects of the above plasma purification device, which is not repeated herein.
In the description of the present invention, the term "plurality" means two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A plasma purification apparatus, comprising:
a plasma generating device and a catalytic device;
the catalytic device is sleeved on the plasma generating device and is used for enhancing the purifying effect of the plasma;
the plasma generating apparatus includes: an electrode assembly, a dielectric layer, and a power supply;
the electrode assembly includes: a first electrode and a second electrode;
the first electrode and the second electrode are respectively connected to the power supply;
the dielectric layer is positioned between the first electrode and the second electrode;
the catalytic device includes:
a catalyst, a shell and a supporting frame,
the support frame is disposed between the power source and the electrode assembly;
the shell is connected to the support frame and sleeved on the electrode assembly;
the catalyst is filled in the shell.
2. The plasma purification apparatus according to claim 1, wherein:
the first electrode is located outside the second electrode,
the second electrode is a high voltage electrode.
3. The plasma purification apparatus according to claim 1, wherein:
the shell is a metal shell or an inert plastic shell.
4. The plasma purification apparatus according to claim 1, wherein:
the catalyst comprises: at least one of a carbon material, a metal oxide, and a noble metal.
5. The plasma purification apparatus according to claim 1, wherein:
the shape of the catalyst includes: at least one of granular, cylindrical, and honeycomb.
6. The plasma purification apparatus according to claim 1, wherein:
the voltage of the power supply is 2000V to 4000V;
the discharge frequency of the power supply is 50Hz to 1000 Hz.
7. The plasma purification apparatus of claim 1, further comprising:
the box body covers the plasma purification device;
the box body comprises: the air duct is communicated with the two ends of the box body, and a fan is arranged at an air inlet of the air duct.
8. An air purifier, its characterized in that:
the air purifier comprises a plasma purification apparatus as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120708855.5U CN216744779U (en) | 2021-04-07 | 2021-04-07 | Plasma purifier and air purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120708855.5U CN216744779U (en) | 2021-04-07 | 2021-04-07 | Plasma purifier and air purifier |
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| CN216744779U true CN216744779U (en) | 2022-06-14 |
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| CN202120708855.5U Active CN216744779U (en) | 2021-04-07 | 2021-04-07 | Plasma purifier and air purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950038A (en) * | 2023-01-03 | 2023-04-11 | 广东美的暖通设备有限公司 | Air purification device, air conditioner and control method and control device of air conditioner |
| CN116282408A (en) * | 2023-05-04 | 2023-06-23 | 珠海格力电器股份有限公司 | Purification device, preparation method of catalytic structure and wastewater treatment equipment |
-
2021
- 2021-04-07 CN CN202120708855.5U patent/CN216744779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950038A (en) * | 2023-01-03 | 2023-04-11 | 广东美的暖通设备有限公司 | Air purification device, air conditioner and control method and control device of air conditioner |
| CN116282408A (en) * | 2023-05-04 | 2023-06-23 | 珠海格力电器股份有限公司 | Purification device, preparation method of catalytic structure and wastewater treatment equipment |
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