阅读说明：本技术 一种臭氧还原模块及空气净化器 (Ozone reduction module and air purifier ) 是由 郭定康 于 2021-02-08 设计创作，主要内容包括：本发明涉及空气净化器技术领域,具体涉及一种臭氧还原模块及空气净化器。所述臭氧还原模块包括：还原网,构造为镂空形结构,其上至少部分区域形成有过风孔,并适于在通电状态下加热至X度；绝缘框,由绝缘材质制成,所述绝缘框至少部分的包围所述还原网设置,并适于对所述还原网进行支撑；其中,X≥0。本发明提供的臭氧还原模块,通过设置镂空形式的还原网,并在通电状态下对还原网进行加热,使得空气能够从还原网的过风孔中流过,从而在臭氧经过所述还原网时,高温使得臭氧还原分解,使净化效率维持稳定,无需更换耗材,节约用户成本,环保程度更高,避免臭氧对空气形成二次污染。(The invention relates to the technical field of air purifiers, in particular to an ozone reduction module and an air purifier. The ozone reduction module includes: the reduction net is in a hollow structure, at least partial area of the reduction net is provided with air passing holes, and the reduction net is suitable for being heated to X degrees under the electrified state; the insulating frame is made of insulating materials, at least partially surrounds the reduction net and is suitable for supporting the reduction net; wherein X is more than or equal to 0. According to the ozone reduction module provided by the invention, the hollow reduction net is arranged, and the reduction net is heated in a power-on state, so that air can flow through the air passing holes of the reduction net, and therefore, when ozone passes through the reduction net, the ozone is reduced and decomposed at high temperature, the purification efficiency is kept stable, consumable items do not need to be replaced, the user cost is saved, the environment protection degree is higher, and secondary pollution of ozone to air is avoided.)

1. An ozone reduction module, comprising:

the reduction net (22) is in a hollow structure, at least partial area of the reduction net is provided with air passing holes, and the reduction net is suitable for being heated to X degrees under the electrified state;

the insulation frame (21) is made of an insulation material, and the insulation frame (21) at least partially surrounds the reduction net (22) and is suitable for supporting the reduction net (22);

wherein X is more than or equal to 0.

2. The ozone reduction module of claim 1, wherein the reduction mesh (22) is made of a metal material.

3. An ozone reduction module according to claim 2, characterised in that the reduction mesh (22) is made of nickel and is shaped as a nickel foam mesh structure in porous form.

4. The ozone reduction module according to any of claims 1 to 3, wherein the reduction mesh (22) is arranged in a wave or zigzag shape along the length direction.

5. The ozone reduction module according to claim 4, characterized in that the insulating frame (21) is arranged around one turn in the circumferential direction of the reduction mesh (22).

6. An air purifier, comprising:

an air duct adapted to guide a flow of air; and

the ozone reduction module of any one of claims 1 to 5 at least partially covering the air duct.

7. The air purifier of claim 6, further comprising:

a filter screen (30), the filter screen (30) being adapted to filter particulate matter in air;

at least two ozone reduction modules are arranged in the air purifier, and the at least two ozone reduction modules are respectively arranged on two sides of the filter screen (30) along the air inlet direction.

8. The air purifier of claim 6, further comprising:

and the electric purification module is suitable for generating an electrostatic field in a power-on state and carrying out electrostatic adsorption on particles in the air.

9. The air purifier of claim 8, wherein the ozone reduction module is disposed at a location downstream of the electrical purification module in a direction of gas flow.

10. The air purifier of claim 6, wherein the ozone reduction module is supported and disposed within the air duct via the insulating frame (21).

Technical Field

The invention relates to the technical field of air purifiers, in particular to an ozone reduction module and an air purifier.

Background

With the improvement of the national standard of living, the health and safety awareness of people is continuously improved, and the indoor air quality problem becomes more and more the key point of attention of people. Air purifier in the current market is of a plurality of types, people not only remove dust and peculiar smell to air purifier's demand, but also gradually get into people's the field of vision with the air purifier of function of disinfecting. The air purifier which has the sterilization effect by generating ozone can achieve a good sterilization effect, but because ozone can cause secondary pollution to air, an ozone reduction net is generally designed, and the catalyst in the reduction net is utilized to catalyze ozone reduction decomposition, so that the aims of removing ozone and purifying air are achieved. However, the ozone reduction net has a certain service life, and in the using process, the catalytic capability of the reduction net is gradually reduced along with the prolonging of the service time, and the purifying efficiency of the machine is also reduced. This requires the user to regularly change the web material to ensure the cleaning capacity of the machine, which increases the use cost of the user.

In addition, the air purifier adopting the electric purification mode generates an electrostatic field under the action of high voltage, and utilizes the principle of electrostatic adsorption to remove dust, sterilize and purify air. However, the electrostatic field generated by the electric purifier ionizes the air to generate ozone with a certain concentration, and the air purifier in this form also needs to remove the ozone, so that the problem of increased material consumption cost is faced.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the service life of the ozone reduction net in the prior art is limited and the ozone reduction net needs to be replaced regularly, thereby providing the ozone reduction module which can be continuously used and does not need to be replaced.

The invention aims to solve another technical problem of overcoming the defect that the service life of an ozone reduction net in the air purifier in the prior art is limited and the ozone reduction net needs to be replaced regularly, thereby providing the air purifier which can be continuously used without replacing an ozone reduction module.

In order to solve the above technical problem, the present invention provides an ozone reduction module, comprising:

the reduction net is in a hollow structure, at least partial area of the reduction net is provided with air passing holes, and the reduction net is suitable for being heated to X degrees under the electrified state;

the insulating frame is made of insulating materials, at least partially surrounds the reduction net and is suitable for supporting the reduction net;

wherein X is more than or equal to 0.

Optionally, the reduction mesh is made of a metal material.

Optionally, the reduction mesh is made of nickel and is formed into a nickel foam mesh structure in a porous form.

Optionally, the reduction net is arranged in a wave shape or a zigzag shape along the length direction.

Optionally, the insulating frame is arranged around the reduction net in the circumferential direction.

The invention provides an air purifier, comprising:

an air duct adapted to guide a flow of air; and

an ozone reduction module as described above at least partially covering the air duct.

Optionally, the method further includes:

the filter screen is suitable for filtering particulate matters in the air;

at least two ozone reduction modules are arranged in the air purifier, and at least two ozone reduction modules are respectively arranged on two sides of the filter screen along the air inlet direction.

Optionally, the method further includes:

and the electric purification module is suitable for generating an electrostatic field in a power-on state and carrying out electrostatic adsorption on particles in the air.

Optionally, the ozone reduction module is disposed at a downstream position of the electrical purification module in a gas flow direction.

Optionally, the ozone reduction module is supported and arranged in the air duct through the insulating frame.

The technical scheme of the invention has the following advantages:

1. according to the ozone reduction module provided by the invention, the hollow reduction net is arranged, and the reduction net is heated in a power-on state, so that air can flow through air passing holes of the reduction net, and ozone is reduced and decomposed at high temperature when the ozone passes through the reduction net; through the ozone reduction module that adopts the electrical heating form, guarantee that ozone reducing power is lasting effective, compare with the reduction net of catalyst catalytic reduction form, the ozone reduction module that this embodiment provided can not become long along with the live time and cause the gradual reduction of reducing power, makes purification efficiency remain stable, need not to change the consumptive material, practices thrift user's cost, and the environmental protection degree is higher, avoids ozone to form secondary pollution to the air.

2. According to the ozone reduction module provided by the invention, the reduction net adopts a porous nickel foam net structure, so that the nickel foam net can generate self-heating under the condition of electrification to generate high temperature, the ozone is reduced and decomposed by the high temperature, and the nickel foam net is a high-targeting porous material, so that on one hand, smooth air passing can be ensured, the air resistance is reduced, on the other hand, the air can fully bypass in the nickel foam net, the air and the nickel are fully contacted, and the reduction efficiency of the ozone is ensured.

3. According to the ozone reduction module provided by the invention, the reduction net is arranged in a wave shape or a broken line shape along the length direction, and the nickel foam area in a unit air inlet area can be increased by adopting the wave shape or the broken line shape, so that the contact area of air and the foam net is increased, and the reduction effect of ozone is ensured.

4. According to the air purifier provided by the invention, the ozone reduction module is arranged in the air channel, and the reduction net is heated in a power-on state, so that air can flow through the air passing holes of the reduction net, and ozone is reduced and decomposed at high temperature when the ozone passes through the reduction net; through the ozone reduction module that adopts the electrical heating form, guarantee that ozone reducing power is lasting effective, compare with the reduction net of catalyst catalytic reduction form, the ozone reduction module that this embodiment provided can not become long along with the live time and cause the gradual reduction of reducing power, makes purification efficiency remain stable, need not to change the consumptive material, practices thrift user's cost, and the environmental protection degree is higher, avoids ozone to form secondary pollution to the air.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of an air purifier according to the present invention in an exploded state;

FIG. 2 is a perspective view of the ozone reduction module and the filter screen of the present invention;

FIG. 3 is a schematic cross-sectional view of an ozone reduction module and a filter screen according to the present invention;

fig. 4 is a perspective view of an electrical purification module of the present invention.

Description of reference numerals:

10-an air outlet unit, 20-an ozone reduction module, 21-an insulating frame, 22-a reduction net, 30-a filter screen, 41-a collector unit and 42-a generator unit.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, but do not indicate or imply that the device or element being 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example one

Referring to fig. 1 to 4, the ozone reduction module provided in this embodiment includes:

the reduction net 22 is in a hollow structure, at least partial area of the reduction net is provided with air passing holes, and the reduction net is suitable for being heated to X degrees under the electrified state;

the insulation frame 21 is made of an insulation material, and the insulation frame 21 at least partially surrounds the reduction net 22 and is suitable for supporting the reduction net 22;

wherein X is more than or equal to 0.

Preferably, the reduction mesh 22 is capable of self-heating in an energized state to generate a high temperature that causes the ozone to be reductively decomposed as it passes through the reduction mesh 22. In the present embodiment, the heating temperature of the reduction net 22 in the electrified state is X degrees, preferably X ≧ 200.

Preferably, the reduction net 22 is configured as a hollow structure, and the specific structural form thereof may be a net shape or a porous plate shape or a plurality of linear shapes, etc., so that on one hand, the air passing efficiency can be improved, and on the other hand, the air can be sufficiently contacted with the reduction net 22.

According to the ozone reduction module provided by the embodiment, the hollow reduction net 22 is arranged, and the reduction net 22 is heated in the power-on state, so that air can flow through the air passing holes of the reduction net 22, and when ozone passes through the reduction net 22, the ozone is reduced and decomposed at high temperature; through the ozone reduction module that adopts the electrical heating form, guarantee that ozone reducing power is lasting effective, compare with the reduction net of catalyst catalytic reduction form, the ozone reduction module that this embodiment provided can not become long along with the live time and cause the gradual reduction of reducing power, makes purification efficiency remain stable, need not to change the consumptive material, practices thrift user's cost, and the environmental protection degree is higher, avoids ozone to form secondary pollution to the air.

Preferably, since the reduction net 22 is in a high temperature state in a use state, in order to support and insulate the reduction net 22 and ensure normal installation and use of the ozone reduction module, the ozone reduction module provided by this embodiment is provided with an insulation frame 21 at least partially surrounding the outside of the reduction net 22, the insulation frame 21 is made of an insulation material, the insulation frame 21 is configured as an insulation frame supporting the reduction net 22, and the resistivity of the insulation frame is greater than 1.0 × 10⁷Omega.m. Preferably, the insulating frame 21 is not deformed for 5 minutes and is not thermally aged for 2 years or more when subjected to a temperature of 300 ℃.

Specifically, the reduction mesh 22 is made of a metal material.

By adopting a metal material, the reduction net 22 can be conveniently heated in a power-on state, high temperature is quickly generated, and the requirement of temperature rise is ensured. In some embodiments, the reduction mesh 22 may be a ferrochromium alloy, a nickel-chromium alloy, or the like.

Specifically, in the present embodiment, the reducing net 22 is made of nickel and is formed in a nickel foam net structure in a porous form.

The ozone reduction module that this embodiment provided, reduction net 22 adopts the nickel foam net structure of porous form for the nickel foam net is spontaneous heating under the circular telegram condition, produces high temperature, and high temperature makes ozone reduction decompose, and the nickel foam net is high targeting porous material, can guarantee on the one hand that the air is smooth to pass through, reduces air resistance, and on the other hand can make the air fully bypass in the nickel foam net for the air carries out abundant degree of contact with nickel, guarantees the reduction efficiency of ozone.

Preferably, the reduction net 22 according to the present embodiment is configured in a form of a nickel foam net, the nickel foam net is completely composed of metal nickel, is in a foaming shape, and can generate a high temperature after being electrified, the temperature can reach 200 ℃, the nickel foam net is used as a sterilization device, mainly, the nickel foam net has a good specific area and can adsorb more bacteria, the joule effect of nickel is utilized to generate a high temperature of more than 200 ℃, and the bacteria adsorbed on the surface of the nickel foam net are killed by high temperature.

In addition, because the specific heat capacity of nickel is little, and adopts the nickel foam structure for the intensification of foam net is fast, and the heat that can pass to the air is few, reduces the promotion to the room temperature, avoids indoor body to feel the temperature and increases.

Specifically, the reduction net 22 is arranged in a wave shape or a zigzag shape along the length direction.

According to the ozone reduction module provided by the embodiment, the reduction net 22 is arranged in a wave shape or a fold line shape along the length direction, and the nickel foam area in the unit air inlet area can be increased by adopting the wave shape or the fold line shape, so that the contact area of air and the foam net is increased, and the reduction effect of ozone is ensured.

Specifically, the insulating frame 21 is disposed around the reduction mesh 22 in the circumferential direction.

Example two

As shown in fig. 1, the present embodiment provides an air purifier, including:

an air duct adapted to guide a flow of air; and

an ozone reduction module 20 as described above at least partially covering the air duct.

In the air purifier provided by the embodiment, the ozone reduction module 20 is arranged in the air duct, and the reduction net 22 is heated in the power-on state, so that air can flow through the air passing holes of the reduction net 22, and when ozone passes through the reduction net 22, the ozone is reduced and decomposed at high temperature; through the ozone reduction module that adopts the electrical heating form, guarantee that ozone reducing power is lasting effective, compare with the reduction net of catalyst catalytic reduction form, the ozone reduction module that this embodiment provided can not become long along with the live time and cause the gradual reduction of reducing power, makes purification efficiency remain stable, need not to change the consumptive material, practices thrift user's cost, and the environmental protection degree is higher, avoids ozone to form secondary pollution to the air.

Preferably, the air purifier further comprises an air outlet unit 10, a motor is arranged in the air outlet unit 10, and the motor rotates to drive the centrifugal fan blades to rotate, so that air is guided to flow in the air duct, and air circulation is formed.

Specifically, the air purifier further includes:

a filter screen 30, the filter screen 30 being adapted to filter particulate matter in the air;

at least two ozone reduction modules are arranged in the air purifier, and the ozone reduction modules are respectively arranged on two sides of the filter screen 30 along the air inlet direction.

Preferably, be provided with two in the air purifier ozone reduction module, two ozone reduction module along the air inlet direction set up respectively in the both sides of filter screen 30, the air is successively through two-layer nickel foam net, the ozone of secondary pollution in the air of can thoroughly cleaing away.

Preferably, the filter screen 30 may be a HEPA screen capable of filtering fine particulate contaminants.

Specifically, the air purifier further includes:

the electric purification module is suitable for generating an electrostatic field in a power-on state and carrying out electrostatic adsorption on particles in the air.

Preferably, the electrical purification module is arranged in the air purifier, the electrical purification module comprises a generator unit 42 and a collector unit 41, and the generator unit 42 mainly discharges to air so as to make particles in the air attach electric charges; correspondingly, the collector unit 41 functions to capture the charged particles. The generator unit comprises at least one corona wire, which acts as a discharge to air, and in some embodiments is preferably a tungsten wire. When a dc voltage of a certain polarity (positive and negative) is applied to the corona wire, the corona wire can discharge the surrounding air and generate plasma of the corresponding polarity, thereby charging the particles around the electric field. The collector unit includes at least one electrode plate, and the electrode plate of the collector unit may be applied with a voltage of opposite polarity to the corona wire. The trapping of particulate matter is achieved when the charged particulate matter is in close proximity to the electrode plates, which in some embodiments are preferably aluminum plates.

When pollutants in the air enter the electric purification module through the air channel, the pollutants are driven by the fan to move towards the negative electrode through the positive electrode, the pollutants are affected by a positive strong electric field and are electrified to become positively charged particles, in the electric field, the movement direction is affected by coulomb force according to the electric polarity and is deflected, the pollutants impact a negative electrode plate, namely a dust collecting plate, the positively charged particles and the negatively charged electrode plate are electrically combined to generate adhesive force, the particles are adsorbed, and therefore the pollutants in the air are purified.

Preferably, a fan is further arranged in the air purifier, the fan rotates to attract air to enter from an air inlet of the air purifier, and the air passes through the electric purification module in the air flowing process, specifically, the air moves from a positive electrode to a negative electrode under the driving of the fan. Correspondingly, the air purifier is also provided with an air outlet. In this embodiment, preferably the air intake sets up air purifier bottom, and the air outlet setting is in air purifier's top or near top position.

The tungsten filament is adapted to generate ozone when energized.

The tungsten filament is mainly used for generating ion wind to enable particles to be charged with positive charges; the tungsten filament generates high voltage by applying voltage on the tungsten filament to form an electric field, electrons moving at high speed in the electric field bombard oxygen, and the oxygen is decomposed into oxygen atoms:

e+O₂→2O+e；

the electrons moving at high speed have kinetic energy that causes three-body collisions to form ozone:

O+O₂→O₃。

specifically, the ozone reduction module is disposed at a downstream position of the electrical purification module in a gas flow direction. Thereby ensuring that the ozone reduction module fully reduces the ozone generated by the electric purification module.

Preferably, the filter screen 30 is disposed at a downstream position of the electrical purification module in a gas flow direction.

Specifically, the ozone reduction module is supported and arranged in the air duct via the insulation frame 21.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.