CN214332992U - Ozone reduction module and air purifier - Google Patents
Ozone reduction module and air purifier Download PDFInfo
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- CN214332992U CN214332992U CN202120368071.2U CN202120368071U CN214332992U CN 214332992 U CN214332992 U CN 214332992U CN 202120368071 U CN202120368071 U CN 202120368071U CN 214332992 U CN214332992 U CN 214332992U
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- reduction
- ozone
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- air purifier
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- 230000009467 reduction Effects 0.000 title claims abstract description 143
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000000746 purification Methods 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 55
- 229910052759 nickel Inorganic materials 0.000 claims description 28
- 239000006260 foam Substances 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 230000005686 electrostatic field Effects 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000011810 insulating material Substances 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 description 111
- 239000003054 catalyst Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to an air purifier technical field, concretely relates to ozone reduction module and 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. The utility model provides an ozone reduction module is through the reduction net that sets up the fretwork form to heating the reduction net under the on-state, making the air flow through in can following the hole of crossing wind of reduction net, thereby pass through at ozone during the reduction net, high temperature makes ozone reduction decompose, makes purification efficiency remain stable, need not to change the consumptive material, practices thrift user cost, and the environmental protection degree is higher, avoids ozone to form secondary pollution to the air.
Description
Technical Field
The utility model relates to an air purifier technical field, concretely relates to ozone reduction module and 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.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the limited defect that needs the periodic replacement of ozone reduction net life among the prior art to provide one kind can last the ozone reduction module that need not to change of use.
The utility model discloses another technical problem that solves lies in overcoming the limited defect that needs the periodic replacement of ozone reduction net life among the air purifier of prior art to provide one kind can continuously use and need not to change the air purifier of ozone reduction module.
In order to solve the above technical problem, the utility model provides a pair of ozone reduction module, include:
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 utility model provides an air purifier, include:
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 utility model discloses technical scheme has following advantage:
1. the utility model provides an ozone reduction module, through setting up the reduction net of fretwork form to heating the reduction net under the on-state, make the air flow through from the hole of crossing wind of reduction net, thus when ozone passes through the reduction net, high temperature makes ozone reduction decompose; 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. The utility model provides an ozone reduction module, the reduction net adopts the nickel foam net structure of porous form for the nickel foam net is spontaneous heating under the circular telegram circumstances, produces high temperature, and high temperature makes ozone reduction decompose, and the nickel foam net is high target 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, makes air and nickel carry out abundant degree of contact, guarantees the reduction efficiency of ozone.
3. The utility model provides an ozone reduction module, reduction net is wave or dogleg shape setting along length direction, adopts wave or dogleg form, can increase the nickel foam area in the unit air inlet area to improve the area of contact of air and foam net, guarantee the reduction effect of ozone.
4. The utility model provides an air purifier, through set up the ozone reduction module in the wind channel, and heat the reduction net under the on-state, make the air flow through from the hole of ventilating of reduction net, thus when ozone passes through the reduction net, high temperature makes ozone reduction decompose; 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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an exploded state of the air purifier of the present invention;
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 the ozone reduction module and the filter screen of the present invention;
fig. 4 is a perspective view of the electric purification module of the present invention.
Description of reference numerals:
10-air outlet unit, 20-ozone reduction module, 21-insulation frame, 22-reduction net, 30-filter net,
41-collector unit, 42-generator unit.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 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. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can 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 can be made without departing from the scope of the invention.
Claims (10)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120368071.2U CN214332992U (en) | 2021-02-08 | 2021-02-08 | Ozone reduction module and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120368071.2U CN214332992U (en) | 2021-02-08 | 2021-02-08 | Ozone reduction module and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214332992U true CN214332992U (en) | 2021-10-01 |
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ID=77885505
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120368071.2U Active CN214332992U (en) | 2021-02-08 | 2021-02-08 | Ozone reduction module and air purifier |
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| Country | Link |
|---|---|
| CN (1) | CN214332992U (en) |
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2021
- 2021-02-08 CN CN202120368071.2U patent/CN214332992U/en active Active
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