CN210425346U - Air purifier - Google Patents

Air purifier Download PDF

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Publication number
CN210425346U
CN210425346U CN201920931230.8U CN201920931230U CN210425346U CN 210425346 U CN210425346 U CN 210425346U CN 201920931230 U CN201920931230 U CN 201920931230U CN 210425346 U CN210425346 U CN 210425346U
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China
Prior art keywords
air
air duct
formaldehyde
removal unit
filter screen
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CN201920931230.8U
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Chinese (zh)
Inventor
王贤波
汪春节
李宁
王堃
曾焕雄
程晨
肖德玲
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The application relates to the technical field of air purification equipment, particularly, relate to an air purifier. The air purifier comprises a shell, an electrostatic dust removal unit, a formaldehyde removal unit and a first filter screen, wherein an air channel is formed in the shell; the electrostatic dust removal unit is arranged in the air duct; the formaldehyde removing unit is arranged in the air duct and comprises an ultraviolet lamp and a titanium dioxide coating in the irradiation range of the ultraviolet lamp; the first filter screen is arranged in the air duct between the electrostatic dust removal unit and the air outlet and is provided with a first position vertical to the direction of air flow in the air duct and a second position parallel to the direction of air flow in the air duct; the electrostatic dust removal unit and the ultraviolet lamp can be independently controlled to be started and stopped. Air purifier can realize different control mode, can satisfy the requirement that the user removed dust fast, degerming removes aldehyde, also can switch different concentration particulate matter purification and remove functions such as formaldehyde alone, and control mode is various, realizes energy-conserving increase, has greatly strengthened air purifier's user experience.

Description

Air purifier
Technical Field
The application relates to the technical field of air purification equipment, particularly, relate to an air purifier.
Background
The electrostatic air purifier has high-efficiency dust removal and sterilization effects, so that the electrostatic air purifier is popular in the market, but has the defects that the single filtration efficiency of the electrostatic air purifier is low, the filtration efficiency is further reduced along with the increase of the air volume, the CADR value of particles is limited along with the increase of the air volume, and then the most common gaseous pollutant of formaldehyde cannot be removed by a single household electrostatic dust removal purifier, in order to solve the problem, almost all manufacturers add a formaldehyde filter screen at the tail end of the electrostatic dust remover, and use the activated carbon adsorption technology to realize the rapid formaldehyde purification, but the activated carbon adsorption has the risks of adsorption saturation and secondary pollution, and meanwhile, the control of the wind resistance of the whole machine certainly prevents the addition of too much activated carbon, so that the service life of the formaldehyde filter screen is determined not to be very long, which is a big defect of the current electrostatic air purifier, meanwhile, if the user does not need to purify the particles temporarily, or the concentration of the particles is low, only partial particle purification functions are needed to be used and only aldehyde is removed or other functions are used, the purification functions are completely started, energy consumption is reduced, and secondary pollution is caused by starting of electric dust removal.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides an air purifier.
An air purifier according to an embodiment of the present application includes:
the air duct is formed in the machine shell;
the electrostatic dust removal unit is arranged in the air duct;
the formaldehyde removing unit is arranged in the air duct and comprises an ultraviolet lamp and a titanium dioxide coating within the irradiation range of the ultraviolet lamp;
the first filter screen is arranged in the air duct between the electrostatic dust removal unit and the air outlet and is provided with a first position perpendicular to the direction of air flow in the air duct and a second position parallel to the direction of air flow in the air duct;
the electrostatic dust removal unit and the ultraviolet lamp can be independently controlled to be started and stopped.
Furthermore, the electrostatic dust removal unit comprises an emission polar plate and a collection polar plate, and the emission polar plate and the collection polar plate are both perpendicular to the direction of the airflow in the air duct.
Further, the titanium dioxide coating is coated on the surface of the collecting polar plate.
Further, first filter screen is the HEPA filter screen.
Further, the HEPA filter screen is the filter screen that can wash.
Furthermore, first filter screen passes through rotating assembly to be fixed on the lateral wall in wind channel, through control rotating assembly's rotation is adjustable first filter screen is located first position or the second position.
Furthermore, first filter screen is two segmentations, including first section and second section, works as first section and second section all are located when the first position, first section and second section match the amalgamation in the coplanar.
Furthermore, a second filter screen is arranged on the air duct part between the electrostatic dust removal unit and the air inlet, and the second filter screen is a primary filter screen.
Further, the air inlet department in wind channel is provided with the dust sensor who is used for detecting particulate matter concentration and the formaldehyde sensor who is used for detecting formaldehyde concentration.
According to the air purifier that this application embodiment provided, can realize different control mode, can satisfy the quick dust removal degerming of user and remove the requirement of aldehyde, also can switch different concentration particulate matter purification and remove functions such as formaldehyde alone, control mode is various, realizes energy-conserving increase, has greatly strengthened air purifier's user experience.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic structural reference view of an air cleaner according to an embodiment of the present application;
FIG. 2 is a schematic diagram showing a formaldehyde purification mode of an air purifier according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing a high concentration particulate matter purification mode of an air purifier according to an embodiment of the present application; and
fig. 4 is a schematic diagram showing a low concentration particulate matter purification mode of an air purifier according to an embodiment of the present application.
In the figure:
1. a housing; 2. an air duct; 201. an air inlet; 202. an air outlet; 3. an electrostatic dust removal unit; 4. an ultraviolet lamp; 5. a first filter screen; 501. a first stage; 502. a second stage; 6. a rotating assembly; 7. a second filter screen; 8. a dust sensor; 9. a formaldehyde sensor; 10. a fan.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-4. FIG. 1 is a view showing a structural reference of an air cleaner according to the present embodiment; FIG. 2 is a schematic diagram showing a formaldehyde purification mode of the air purifier of the present embodiment; FIG. 3 is a diagram showing a high concentration particulate matter purification mode of the air purifier of the present application; fig. 4 is a diagram showing a low concentration particulate matter purification mode of the air purifier of the present embodiment.
As shown in fig. 1, a schematic structural diagram of an air purifier provided in this embodiment is given, and as shown in the drawing, the air purifier includes a casing 1, an electrostatic dust removal unit 3, a formaldehyde removal unit, and a first filter screen 5, wherein an air duct 2 is formed in the casing 1, an air inlet 201 and an air outlet 202 are formed at two ends of the air duct 2, the air purifier is provided with a fan 10 for introducing an air flow into the air duct 2 from the air inlet 201, then passing through the whole air duct 2, and finally being discharged from the air outlet 202, and a direction of the air flow is shown by an arrow in the drawing; the electrostatic dust removal unit 3 is arranged in the air duct 2, and the electrostatic dust removal unit 3 can generate plasma when discharging, so that bacteria in the air or bacteria on the filter screen can be killed; the formaldehyde removing unit is arranged in the air duct 2 and comprises an ultraviolet lamp 4 and a titanium dioxide coating in the irradiation range of the ultraviolet lamp 4, and photocatalysis TiO is used2The problem of indoor low-concentration formaldehyde pollution is solved by removing aldehyde, compared with a method for purifying formaldehyde by using activated carbon adsorption through a formaldehyde filter screen, the method has the advantages that the risks of adsorption saturation and secondary pollution caused by activated carbon adsorption are avoided, the space is saved, and the structural design of the purifier is facilitated; the first filter 5 is disposed in the air duct between the electrostatic dust removing unit 3 and the air outlet 202, and has a first position perpendicular to the direction of the air flow in the air duct 2 and a second position parallel to the direction of the air flow in the air duct 2, and when the first filter 5 is at the first position, the air flow in the air duct 2 passes throughThe first filter screen 5, the first filter screen 5 exerts the filtering and purifying function, when the first filter screen 5 is in the second position, the airflow in the air duct 2 does not pass through the first filter screen 5, and the first filter screen 5 does not exert the filtering and purifying function at this moment; the electrostatic dust removal unit 3 and the ultraviolet lamp 4 can be independently controlled to be started or stopped, and in addition, the first filter screen 5 can also be switched between a first position in a working state and a second position in a non-working state.
In the above-mentioned embodiment, electrostatic precipitator unit 3, ultraviolet lamp 4 and first filter screen 5 all can independent control its opening and closing, can select the unit and the device that need open according to the air situation of difference, can realize different control mode, can satisfy the requirement that the user removed dust fast, degerming removes aldehyde, also can switch different concentration particulate matter and purify, and remove functions such as formaldehyde simply, control mode is various, realize energy-conserving increase, air purifier's user experience has greatly been strengthened.
In some embodiments, as shown in fig. 1, the electrostatic precipitation unit 3 comprises an emitter plate 301 and a collector plate 302, both the emitter plate 301 and the collector plate 302 being perpendicular to the direction of the airflow in the air duct 2. The emitter plate 301 is connected to a high voltage power supply, which generates plasma at high voltage to charge and sterilize the contaminants, and the charged contaminants, killed bacteria, are collected by the collector plate 302.
In some embodiments, the titanium dioxide coating is coated on the surface of the collecting plate 302, so that the spatial structure of the air purifier can be fully utilized, a carrier of the titanium dioxide coating is not required to be additionally arranged, and a large amount of pollutants and bacteria are collected on the collecting plate 302, so that formaldehyde is enriched to a certain degree, and the formaldehyde purifying effect is improved to a certain degree.
In some embodiments, first filter screen 5 is the HEPA filter screen of selecting for washing, uses the HEPA net (high efficiency filter screen) of washing to put in electrostatic precipitator unit 3's downwind, has both solved electrostatic precipitator unit's disposable filtration inefficiency problem, and the user can wash the HEPA filter screen simultaneously, recycles, realizes zero consumptive material. Optionally, a second filter screen 7 is disposed in the air duct portion between the electrostatic dust removal unit 3 and the air inlet 201, and the second filter screen 7 is a primary filter screen and is used for pre-filtering the air, removing large-particle dust, and reducing the workload of the subsequent electrostatic dust removal unit 3 or HEPA filter screen.
In some embodiments, as shown in fig. 1, the first screen 5 is fixed to the side wall of the wind tunnel 2 by a rotating assembly 6, and the first screen 5 can be adjusted to be located at a first position or a second position by controlling the rotation of the rotating assembly 6. Specific driving modes of the rotating assembly 6 include, but are not limited to, a belt wheel drive, a gear set drive, a rotating motor direct drive and the like.
In some embodiments, as shown in fig. 1-4, first screen 5 is two-segmented, including a first segment 501 and a second segment 502, and when first segment 501 and second segment 502 are in a first position, first segment 501 and second segment 502 are mated and spliced in the same plane. This setting mode is designed first filter screen 5 into both ends, when it is in the second position that is on a parallel with the air current direction, can reduce the air flue length that first filter screen took along the air current direction, can help realizing air purifier's miniaturization with the length design's of air flue 2 shorter, sets up the length with first section 501 and second section 502 as the same length better, can realize that minimum space occupies.
In order to provide data reference for the control of the air conditioner purifier, as shown in the figure, a dust sensor 8 for detecting the concentration of particulate matters and a formaldehyde sensor 9 for detecting the concentration of formaldehyde may be disposed at an air inlet 201 of the air duct 2, the electrostatic dust removal unit 3 and the ultraviolet lamp 4 may be selectively turned on according to the obtained concentration of the particulate matters and the obtained concentration of the formaldehyde, and the first filter screen 5 is controlled to switch between the first position and the second position.
The air purifier according to the above embodiment may further include other necessary components or structures, and the corresponding arrangement positions and connection relationships may refer to those of the air purifier in the prior art, and the connection relationships, operation and operation principles of each of the structures not mentioned are known to those of ordinary skill in the art and will not be described in detail herein.
In addition, the embodiment also provides a control method for the air purifier.
If the air purifier is required to operate in the formaldehyde purification mode, the specific control method comprises turning on the ultraviolet lamps 4, and the ultraviolet lamps 4 are jointly sprayed on the titanium dioxide coating on the carrier (such as the collecting polar plate 302) to realize the long-term removal of formaldehyde. If only need the formaldehyde in the air-purifying this moment, and need not to purify the particulate matter, then can be as shown in fig. 2, rotate first filter screen 5 (for example the HEPA filter screen that can wash) to the second position, when first filter screen 5 is two segmentation structures, can rotate first section 501 and second section 502 simultaneously and according to the rotatory 90 degrees to the second position that the dotted line in fig. 2 is shown, finally make first filter screen 5 (HEPA filter screen that can wash) be vertical state, the wind channel resistance reduces greatly, the amount of wind increases, the transmitting plate of control electrostatic precipitator unit 3 is in the outage state in addition, greatly reduce energy consumption and ozone pollution, the reinforcing removes the formaldehyde effect.
In some embodiments, if the air purifier is required to operate in the high concentration particulate matter purification mode, as shown in fig. 3, the electrostatic precipitation unit 3 is required to be controlled to be in the on state, and the position of the first filter 5 is adjusted to the first position. When the user feels that the indoor air pollution is serious and selects the high-concentration particulate matter purification mode, the electrostatic precipitation unit 3 and the first filter screen 5 work simultaneously, and the removal effect on the particulate matter is enhanced.
In some embodiments, if the air purifier is required to operate in the low concentration particulate matter purification mode, as shown in fig. 4, the electrostatic precipitation unit is required to be controlled to be in the on state, and the position of the first filter screen is adjusted to the second position. Only need electrostatic precipitator unit 3 to work, can remove the particulate matter for a long time and disinfect, first filter screen 5 adjustment is the second position, can hide first filter screen 5 automatically, and reduction windage and increase complete machine amount of wind that like this can be very big, very big reinforcing user experience.
In some embodiments, can select suitable purification mode according to indoor formaldehyde concentration and particulate matter concentration automatically, greatly increase air purifier's each item performance, reduce the energy consumption simultaneously, the reinforcing effect. The specific control mode can be as follows:
further, the control method for the air purifier to operate in the automatic mode comprises the following steps:
detecting the concentration of formaldehyde and the concentration of particles at the air inlet 201 of the air duct 2, specifically detecting by a formaldehyde sensor 9 and a dust sensor 8;
if the concentration of the formaldehyde is more than or equal to 0.08 mg/m3Turning on the ultraviolet lamp 4;
if the concentration of the formaldehyde is less than 0.08 mg/m3Turning off the ultraviolet lamp 4;
if the concentration of the particulate matter is more than or equal to 115 mu g/m3Controlling the electrostatic dust removal unit 3 to be in an opening state, and adjusting the position of the first filter screen 5 to a first position;
if the concentration of the particulate matter is more than 35 mu g/m3And less than 115 mu g/m3Controlling the electrostatic dust removal unit 3 to be in an opening state, and adjusting the position of the first filter screen 5 to a second position;
if the concentration of the particulate matter is less than 35 mu g/m3The electrostatic dust removal unit 3 is controlled to be in a closed state, and the position of the first filter screen 5 is adjusted to a second position.
In the above automatic mode, the formaldehyde purification mode is mainly based on the detection of formaldehyde sensor 9 to the current operational environment's of air purifier formaldehyde concentration, when detecting that formaldehyde concentration is very high, opens formaldehyde purification mode, and the air purifier complete machine realizes purifying formaldehyde fast at the highest grade operation, and when detecting that formaldehyde concentration is lower, then closes formaldehyde purification mode. Get rid of the particulate matter in the automatic mode and mainly be based on dust sensor 8 to the detection of air purifier current operational environment particulate matter concentration, when detecting particulate matter concentration very high, open high concentration particulate matter purification mode, the air purifier complete machine is in the highest grade operation, realizes purifying the particulate matter fast, and when detecting particulate matter concentration when placed in the middle, start low concentration particulate matter purification mode, when indoor particulate matter concentration is lower, can select to close low concentration particulate matter purification mode. Through setting up multiple control mode, under automatic mode exists, can also provide manual mode and supply the user to select, reach more efficient purifying effect, reduce the energy consumption, the science purifies, reaches to last the purification simultaneously.
Some embodiments in this specification are described in a progressive or parallel manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The foregoing is merely a detailed description of the invention that enables those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. An air purifier, comprising:
the air conditioner comprises a machine shell (1), wherein an air duct (2) is formed in the machine shell (1);
the electrostatic dust collection unit (3) is arranged in the air duct (2);
the formaldehyde removing unit is arranged in the air duct (2) and comprises an ultraviolet lamp (4) and a titanium dioxide coating within the irradiation range of the ultraviolet lamp (4);
the first filter screen (5) is arranged in the air duct between the electrostatic dust removal unit (3) and the air outlet (202), and is provided with a first position perpendicular to the air flow direction in the air duct (2) and a second position parallel to the air flow direction in the air duct (2);
the electrostatic dust removal unit (3) and the ultraviolet lamp (4) can be independently controlled to be started and stopped.
2. The air cleaner according to claim 1, wherein the electrostatic precipitation unit (3) comprises an emitter plate (301) and a collector plate (302), the emitter plate (301) and the collector plate (302) being perpendicular to the direction of the air flow in the air duct (2).
3. The air cleaner of claim 2, wherein the titanium dioxide coating is applied to a surface of the collector plate (302).
4. Air purifier according to claim 1, wherein the first screen (5) is a HEPA screen.
5. The air purifier as claimed in claim 4, wherein a second filter (7) is disposed in the air duct portion between the electrostatic dust removal unit (3) and the air inlet (201), and the second filter is a primary filter.
6. The air purifier of claim 4, wherein the HEPA screen is a water washable screen.
7. The air cleaner according to claim 1, wherein the first screen (5) is fixed to a side wall of the air duct (2) by a rotating member (6), and the first screen (5) is adjustable to be located at the first position or the second position by controlling rotation of the rotating member (6).
8. The air cleaner according to claim 1, wherein the first screen (5) is two-segmented, comprising a first segment (501) and a second segment (502), wherein the first segment (501) and the second segment (502) are matingly engaged in the same plane when the first segment (501) and the second segment (502) are in the first position.
9. The air purifier as claimed in claim 1, wherein a dust sensor (8) for detecting the concentration of the particulate matter and a formaldehyde sensor (9) for detecting the concentration of the formaldehyde are disposed at the air inlet (201) of the air duct (2).
CN201920931230.8U 2019-06-18 2019-06-18 Air purifier Active CN210425346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920931230.8U CN210425346U (en) 2019-06-18 2019-06-18 Air purifier

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Application Number Priority Date Filing Date Title
CN201920931230.8U CN210425346U (en) 2019-06-18 2019-06-18 Air purifier

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CN210425346U true CN210425346U (en) 2020-04-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111706955A (en) * 2020-06-24 2020-09-25 珠海格力电器股份有限公司 Cleaning method and device of air purifier and air purifier
CN111890886A (en) * 2020-08-26 2020-11-06 佛山市高明欧一电子制造有限公司 Vehicle-mounted humidifier
CN112268313A (en) * 2020-09-15 2021-01-26 珠海格力电器股份有限公司 Intersecting line movement filter screen assembly and air conditioner thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111706955A (en) * 2020-06-24 2020-09-25 珠海格力电器股份有限公司 Cleaning method and device of air purifier and air purifier
CN111890886A (en) * 2020-08-26 2020-11-06 佛山市高明欧一电子制造有限公司 Vehicle-mounted humidifier
CN112268313A (en) * 2020-09-15 2021-01-26 珠海格力电器股份有限公司 Intersecting line movement filter screen assembly and air conditioner thereof

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