CN210118908U - Plasma regeneration assembly, air purification device with same and air conditioning system - Google Patents

Abstract

The utility model discloses a plasma regeneration subassembly, air purification device and air conditioning system who has it, plasma regeneration subassembly is including adsorbing filter piece and discharge, adsorbs the harmful gas that filter piece is arranged in the adsorbed air, and discharge produces plasma in order to be used for decomposing the at least partial residual substance that adsorbs on filtering the piece. According to the utility model discloses a plasma regeneration subassembly is used for decomposing through discharging the piece and adsorbs the plasma that filters residual substance on the piece, guarantees to adsorb and filters the piece and has long-term effective adsorption filtration performance.

Description

Plasma regeneration assembly, air purification device with same and air conditioning system

Technical Field

The utility model relates to a clean system field particularly, relates to a plasma regeneration subassembly, air purification device and air conditioning system who has it.

Background

In the related art, people pay more and more attention to the air quality of the living environment, and thus the air cleaning device is used more and more frequently. In order to remove HCHO (i.e., formaldehyde) and VOC (i.e., volatile organic compounds) in the air, the first treatment method of the prior art uses an adsorbent such as activated carbon or molecular sieve for adsorption, but the adsorbent has a limited adsorption capacity, and tends to be saturated by adsorption, resulting in poor adsorption function and a short retention time of filtration performance.

The second treatment method in the prior art is to use a high-temperature catalysis technology to decompose VOC by heating the catalyst to more than 200 ℃, but the use of the catalyst in indoor purification is limited by the high temperature of about 200 ℃, the purification performance of the catalyst is gradually deteriorated due to the adsorption of aerosol and undecomposed gas in the long-term use process, and the filtration performance maintaining time of the scheme is also short.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, a first aspect of the present invention proposes a plasma regeneration assembly that is capable of maintaining, at least to some extent, a longer filtration performance.

The second aspect of the utility model provides an air purification device with above-mentioned plasma regeneration subassembly.

The third aspect of the present invention provides an air conditioning system having the above air cleaning apparatus.

According to the utility model discloses the plasma regeneration subassembly of first aspect, filter piece and discharge including adsorbing, it is right that discharge is suitable for adsorb filter piece discharges in order to produce and be used for decomposing the absorption and filter the at least partial residual substance's of piece plasma.

According to the utility model discloses the first aspect plasma regeneration subassembly, the piece that discharges can produce plasma at the in-process that discharges to decompose and adsorb the at least partial residual substance who filters the piece, avoid the residual substance to reduce the filtering quality who adsorbs the filtration piece, guarantee to adsorb the filtration piece and have long-term effective filtering quality.

According to plasma regeneration subassembly, adsorb and filter a plurality of for relative setting, discharge member is located adjacent two adsorb and filter between the piece.

Optionally, the discharge element is a dc discharge element, and the discharge element is a conductor or has a conductor layer.

Further, the discharge piece and one adsorb and filter the piece laminating setting.

Optionally, the discharge element is an alternating current discharge element or a pulse discharge element, and the discharge element has a conductor layer and an insulating layer, and the insulating layer is suitable for wrapping the conductor layer.

Further, the discharge member is disposed spaced apart from the adsorption filter member.

Further, the discharge member has a rotation shaft, the discharge member has an adsorption position parallel to the adsorption filter member and a storage position perpendicular to the adsorption filter member, and the discharge member is rotatable by the rotation shaft to shift between the adsorption position and the storage position.

Further, the discharge piece is provided with a fluid flow opening suitable for being opposite to the adsorption filter piece.

Further, the adsorbent filter comprises at least one of a molecular sieve, activated carbon, MOF, and the adsorbent filter comprises a catalyst.

According to the utility model discloses the air purification device of second aspect be equipped with like the utility model discloses the first aspect plasma regeneration subassembly.

According to the utility model discloses the second aspect air purification device, air purification device's effective use time is longer, has promoted user experience.

According to the third aspect of the present invention, there is provided the air conditioning system according to the second aspect of the present invention.

According to the utility model discloses the third aspect air conditioning system, air conditioning system have the effective filtration ability of longer time, have promoted user experience.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by 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 view of a plasma regeneration assembly according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a plasma regeneration assembly according to a second embodiment of the present invention, in which a discharge element is located at a storage position;

fig. 3 is a schematic structural view of a plasma regeneration assembly according to a second embodiment of the present invention, in which a discharge element is located at an adsorption position.

Reference numerals:

the plasma regeneration assembly 100, the adsorption filter element 1, the first adsorption filter element 11, the second adsorption filter element 12, the discharge element 2, the rotating shaft 21 and the driving element 22.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention is described below with reference to specific embodiments in conjunction with the accompanying drawings. Fig. 1-3 are side views of the plasma regeneration assembly 100.

A plasma regeneration assembly 100 according to an embodiment of the present invention will be described first with reference to fig. 1 to 3. It should be noted that the plasma regeneration assembly 100 of the embodiment of the present invention can not only filter gases such as air, but also filter some non-conductive liquids, so as to avoid the safety risk caused by the charged liquid.

As shown in fig. 1 to 3, a plasma regeneration assembly 100 according to an embodiment of the present invention may include an adsorption filter member 1, and a discharge member 2. The power source may deliver power to the discharge element 2. It is understood that, in the case where the adsorption filter member 1 is used for a long period of time, the adsorption filter member 1 may have residual substances (e.g., filter residues) such as VOCs (i.e., volatile organic compounds) adhered thereto, and the adhered residual substances may reduce the filtering capacity of the adsorption filter member 1.

When the power supply transmits power to the discharge member 2, a voltage difference is generated between the discharge member 2 and the adsorption filter member 1, so that the discharge member 2 can discharge the adsorption filter member 1. The discharge element 2 may have a sufficiently high voltage (e.g., > 1000V) that the air between the discharge element 2 and the adsorption filter member 1 becomes a conductor at the high voltage, so that the discharge element 2 discharges the adsorption filter member 1 through the air.

Thus, when the discharge element 2 discharges to the adsorption filter element 1, the substance such as air in the space between the discharge element 2 and the adsorption filter element 1 can be charged to a plasma state, and plasma can be formed. At this time, not only the charged discharging member 2 can adsorb and adsorb at least part of the residual substance attached to the filter member 1 under the action of electromagnetic force, but also the air in plasma state can adsorb and adsorb at least part of the residual substance attached to the filter member 1, and the flowing air can carry away the residual substance adsorbed by the plasma along with the plasma. The plasma can also decompose the adsorbed formaldehyde into water and carbon dioxide, and exhaust the water and the carbon dioxide into air, so that the environment is protected.

According to the utility model discloses plasma regeneration subassembly 100, discharge 2 and can produce plasma at the in-process that discharges to decompose and adsorb and filter the at least partial residual substance of piece 1, avoid adsorbing and filter the piece 1 on residual substance too much and reduce the filtering quality who adsorbs and filter piece 1, guarantee to adsorb and filter piece 1 and have long-term effective filtering quality.

In some specific embodiments, the discharging member 2 can discharge while the fluid is filtered by the adsorbing and filtering member 1, and can adsorb the residual substance attached to the adsorbing and filtering member 1, so as to ensure that the adsorbing and filtering member 1 has good filtering capability at all times when filtering the fluid.

In other embodiments, the discharging member 2 may also discharge at intervals or when the fluid stops passing through the adsorbing and filtering member 1, so as to periodically adsorb the residual substance attached to the adsorbing and filtering member 1, thereby saving electric energy.

In some embodiments, the plasma regeneration assembly 100 is provided with a multi-layer insulation protection device to prevent personnel from directly touching the high voltage parts such as the discharge part 2, thereby ensuring safe use.

In some embodiments, the adsorbing and filtering element 1 may be a filter screen, the discharging elements 2 may include plates, each discharging element 2 may include only one plate, or may be formed by electrically connecting a plurality of plates arranged at intervals, and a fluid passage may be formed between the two plates to allow fluid to pass through the discharging element 2, so as to facilitate fluid to pass through the plasma regeneration assembly 100.

Specifically, as shown in fig. 1-2, the adsorption filter element 1 may be opposite to the pole plate of the discharge element 2 to improve the discharge effect, and increase the contact area between the plasma object generated when the discharge element 2 discharges and the adsorption filter element 1, so as to ensure the adsorption effect of the plasma object on the residual substances on the adsorption filter element 1, and improve the electromagnetic adsorption effect of the discharge element 2 on the residual substances on the adsorption filter element 1.

In some specific embodiments, the adsorption filter element 1 may be one or more of activated carbon, molecular sieve, MOF (metal-organic framework), and the adsorption filter element 1 contains a catalyst, and the catalyst may be one or more of noble metals Pt and Ba, metal oxides Mn2Ox, CuO, CeO, and the like. The active carbon, the molecular sieve and the catalyst have adsorption effect. In other embodiments, the adsorption filter element 1 may be supported on a substrate, which may be nickel foam, honeycomb aluminum, sapphire, or the like, and the catalyst may be a noble metal such as platinum, palladium, silver, or the like, or a metal oxide such as manganese oxide, cerium oxide, copper oxide, or the like. In still other embodiments, the catalyst may be supported on activated carbon and molecular sieves, and then shaped or supported.

In some optional embodiments of the present invention, as shown in fig. 2-3, the plasma regeneration assembly 100 includes a plurality of adsorption filter elements (for example, a first adsorption filter element 11 and a second adsorption filter element 12, which are only illustrated by way of example) oppositely disposed, and the discharge element 2 is located between two adjacent adsorption filter elements 1, so that the discharge element 2 can discharge electricity to the adjacent first adsorption filter element 11 and the adjacent second adsorption filter element 12 at the same time, and plasma can be generated between the discharge element 2 and the first adsorption filter element 11 and between the discharge element 2 and the second adsorption filter element 12, so that residual substances of the first adsorption filter element 11 and the second adsorption filter element 12 can be adsorbed at the same time, thereby improving cleaning efficiency.

More specifically, the plasma regeneration assembly 100 may be a plurality of sets arranged side by side and facing each other, and the fluid passes through the plurality of sets of plasma regeneration assemblies 100 in sequence to improve the cleaning effect on the filtering and adsorbing member 1.

In some specific embodiments, the discharge element 2 is a dc discharge element, i.e. a dc power source can supply dc power to the discharge element 2, and the discharge element 2 has a conductor layer or is a conductor. The conductor layer can be metal or graphite, and can be in the shape of cylinder, screw thread, strip, special-shaped structure, etc. This simplifies the structure of the discharge element 2.

More specifically, as shown in fig. 1, the discharge element 2 is attached to the adsorption filter element 1. From this, discharge 2 directly with adsorb filter 1 electricity and be connected, discharge 2 and adsorb filter 1 wholly as discharge 2, not only improved discharge 2 to the electromagnetic adsorption of adsorbing filter 1, practiced thrift plasma regeneration subassembly 100's arrangement space simultaneously.

Optionally, for example, in an embodiment (only exemplarily illustrated) in which the discharge element 2 is attached to the adsorption filter element 1, the discharge element 2 is opened with a fluid flow port adapted to be opposite to the adsorption filter element 1, so as to facilitate fluid to smoothly pass through the plasma regeneration assembly 100 and achieve filtration.

In other embodiments, the discharge element 2 is an ac discharge element or a pulse discharge element, that is, an ac power source can supply ac or pulse current to the discharge element 2, the discharge element 2 has a conductive layer and an insulating layer, the conductive layer can be metal or graphite, and can be in a cylindrical shape, a threaded shape, a strip shape, a special-shaped structure, etc., and the insulating layer can be made of ceramic, quartz, teflon, etc. The insulating layer is suitable for wrapping the conductor layer. This increases the amount of plasma generated by the discharge element 2 during discharge as compared to direct current, and increases the ability of adsorbing the residual substances in the adsorption filter 1.

In other embodiments, as shown in fig. 2 and 3, the discharge element 2 is arranged spaced apart from the absorbent filter element 1. From this, adsorb filter 1 and have the space in order to generate more plasma state gas towards one side of discharge 2, improve the adsorption effect to the residual substance on adsorbing filter 1, provide the space for the flow of plasma simultaneously, the plasma of being convenient for takes the residue away from adsorbing filter 1.

Specifically, as shown in fig. 2 and 3, the discharge element 2 has a rotation shaft 21, and one or both ends of the discharge element 2 may be provided with a driving member 22 connected to the rotation shaft 21. More specifically, the driving member 22 may be a motor, and an output shaft of the motor may be connected to the rotating shaft 21 to drive the discharging member 2 to rotate. The discharge element 2 has an adsorption position parallel to the adsorption filter element 1 and a storage position perpendicular to the adsorption filter element 1, and the discharge element 2 is rotatable by the rotation shaft 21 to switch between the adsorption position and the storage position.

When the discharge member 2 is located at the adsorption position, the discharge member 2 can be aligned with the adsorption filter member 1 to improve the discharge efficiency and the generation amount of the plasma object. The fluid passing through the plasma regeneration assembly 100 is made to have a larger passing space when the discharge element 2 is located at the housing position.

The air cleaning device according to the embodiment of the present invention is described below.

The utility model discloses air purification device is equipped with has the utility model discloses the plasma regeneration subassembly 100 of any kind of above-mentioned embodiment.

According to the utility model discloses air purification device, through setting up plasma regeneration subassembly 100, air purification device's effective use time is longer, has promoted user experience.

An air conditioning system according to an embodiment of the present invention is described below.

The utility model discloses air conditioning system is equipped with has the utility model discloses the air purification device of any kind of above-mentioned embodiment. The air conditioning system can purify the indoor air while adjusting the temperature of the indoor.

According to the utility model discloses air conditioning system, through setting up air purification device, air conditioning system has the effective filtration ability of longer time, has promoted user experience. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (11)

1. A plasma regeneration assembly, comprising: the device comprises an adsorption filter element and an electric discharge element, wherein the electric discharge element is suitable for discharging the adsorption filter element to generate plasma for decomposing at least part of residual substances adsorbed on the adsorption filter element.

2. The plasma regeneration assembly of claim 1, wherein the adsorptive filter elements are disposed in opposing relationship, and the discharge element is disposed between two adjacent adsorptive filter elements.

3. The plasma regeneration assembly of claim 2, wherein the discharge member is a dc discharge member, the discharge member being a conductor or having a conductor layer.

4. The plasma regeneration assembly of claim 3, wherein the discharge element is disposed adjacent to one of the adsorbent filter elements.

5. The plasma regeneration assembly of claim 1, wherein the discharge member is an alternating current discharge member or a pulsed discharge member, the discharge member having a conductor layer and an insulating layer adapted to encapsulate the conductor layer.

6. The plasma regeneration assembly of claim 2, wherein the discharge element is disposed spaced apart from the adsorbent filter element.

7. The plasma regeneration assembly of claim 2, wherein the discharge member has an axis of rotation, the discharge member having an adsorption position parallel to the adsorption filter and a receiving position perpendicular to the adsorption filter, the discharge member being rotatable by the axis of rotation to transition between the adsorption position and the receiving position.

8. The plasma regeneration assembly of claim 2, wherein the discharge element defines a fluid flow port adapted to oppose the adsorbent filter element.

9. The plasma regeneration assembly of claim 1, wherein the adsorptive filter comprises at least one of a molecular sieve, an activated carbon, and a MOF, the adsorptive filter comprising a catalyst.

10. An air cleaning device comprising a plasma regeneration assembly according to any one of claims 1 to 9.

11. An air conditioning system characterized by comprising the air cleaning device according to claim 10.

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