CN113350551B - Control method and air purifier - Google Patents

Control method and air purifier Download PDF

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Publication number
CN113350551B
CN113350551B CN202010152509.3A CN202010152509A CN113350551B CN 113350551 B CN113350551 B CN 113350551B CN 202010152509 A CN202010152509 A CN 202010152509A CN 113350551 B CN113350551 B CN 113350551B
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China
Prior art keywords
water
air
disinfectant
storage tank
filter element
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CN202010152509.3A
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Chinese (zh)
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CN113350551A (en
Inventor
康作添
李光政
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Guangdong Hejie Electric Co ltd
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Guangdong Hejie Electric Co ltd
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Priority to CN202010152509.3A priority Critical patent/CN113350551B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/21—Use of chemical compounds for treating air or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The application discloses a control method and air purifier, the control method includes: acquiring the concentration of the disinfectant; when the concentration of the disinfectant is within a preset concentration range, the water pump is started so that the disinfectant enters the water curtain filter element; the fan is controlled to work so that the air purified by the water curtain filter element is discharged from the air outlet. In the control method and the air purifier, when the concentration of the disinfectant is within a preset concentration range, the water pump and the fan are started, so that the disinfectant can be fed into the water curtain filter element, particles, bacteria, viruses and other microorganisms in the air are adhered to the disinfectant and then are brought into the water storage tank by flowing and soaked in the disinfectant to be killed by the liquid, and the air is purified, and the fan enables the purified air to flow out from the air outlet, so that the air filtering, deodorizing, air sterilizing and cleaning effects of killing viruses and the like carried by aerosol in the air are achieved.

Description

Control method and air purifier
Technical Field
The application relates to the technical field of household appliances for household and medical air purification, sterilization and deodorization, in particular to a control method and an air purifier.
Background
With the development of economy and high speed, the global environment is worsened, the population is increased, the air pollution is increased, the dust, bacteria, peculiar smell and harmful gas in the air have direct influence on the health of human bodies, and long-term life in turbid air can cause harm to the nervous system, the respiratory system and the immune system of the human bodies, so that the immunity is reduced and related diseases are generated. From this, it can be seen that air pollution control has become an important component of the global construction of harmonious society strategy. From the present stage, comprehensive investigation studies have shown that the main pollutants are classified into 3 categories: (1) respirable particles: dust, smoke, pollen, etc.; (2) microorganisms: bacteria, fungi, viruses, etc.; (3) harmful volatile gases: ammonia, carbon monoxide, formaldehyde, benzene, and the like. From the pollution sources, there are mainly industrial, transportation and domestic stoves and heating boilers, wherein the industry is an important source of air pollution, and the industrial emission to the atmosphere is various in pollutant types, including smoke dust, sulfur oxides, nitrogen oxides, organic compounds, halides, carbon compounds and the like, wherein the smoke dust and the gas are the others. In terms of pollution mode, there are outdoor pollution and indoor pollution, wherein indoor pollution is a topic of concern in recent years, and at present, most of the air purifiers in China adopt methods of medicine disinfection, mechanical filter, ultraviolet lamp disinfection, ozone disinfection and the like. With popularization and application of the air purifier, the product has the defects. For example, the medicine disinfection can cause secondary pollution, the ultraviolet lamp sterilization can not remove dust in the air, the simple ozone disinfection can only be used in unmanned environment (the ozone concentration exceeds the standard and is harmful to human body), and the ozone strong oxygen is easy to erode indoor articles.
Researches show that the sodium hypochlorite mixed liquid can effectively realize the cleaning effects of air filtration, air sterilization, air disinfection, killing of viruses carried by aerosol in air and the like. Meanwhile, along with the continuous improvement of the life quality of people, people are also more and more concerned about the living environment where the people are located, the living environment is strive for comfort and ease, and people breathe fresh air and have better working and living environments, so how to use disinfectant such as sodium hypochlorite mixed liquid to realize the air purification, sterilization and disinfection product technology application in the fields of home, medical treatment and industry becomes the subject of the air purifier purification core technology research.
Disclosure of Invention
The embodiment of the application provides a control method and an air purifier, wherein the control method is used for the air purifier. The air purifier includes:
a housing of the fuselage assembly, the housing forming an air inlet and an air outlet;
a water curtain filter element disposed in the housing, the water curtain filter element covering the air inlet;
a water pump disposed in the housing for drawing a sanitizing liquid from a storage tank and delivering the sanitizing liquid to the water curtain filter element for passing the sanitizing liquid exiting the water curtain filter element into the storage tank; and
A fan disposed within the housing, the fan configured to form an airflow from the air inlet to the air outlet;
the control method comprises the following steps:
acquiring the concentration of the disinfectant;
when the concentration of the disinfectant is within a predetermined concentration range, starting the water pump so that the disinfectant enters the water curtain filter element;
and controlling the fan to work so that the air purified by the water curtain filter element is discharged from the air outlet.
The application also provides an air purifier, the air purifier includes:
a housing of the fuselage assembly, the housing forming an air inlet and an air outlet;
a water curtain filter element disposed in the housing, the water curtain filter element covering the air inlet;
a water pump disposed in the housing for drawing a sanitizing liquid from a storage tank and delivering the sanitizing liquid to the water curtain filter element for passing the sanitizing liquid exiting the water curtain filter element into the storage tank; and
a fan disposed within the housing, the fan configured to form an airflow from the air inlet to the air outlet;
the control circuit board is connected with the water pump and the fan and is used for acquiring the concentration of the disinfectant; and for turning on the water pump when the concentration of the sanitizing liquid is within a predetermined concentration range so that the sanitizing liquid enters the water curtain filter element; and controlling the fan to work so that the air purified by the water curtain filter element is discharged from the air outlet.
In the control method and the air purifier, when the concentration of the disinfectant is within a preset concentration range, the water pump and the fan are started, so that the disinfectant can be fed into the water curtain filter element, particles, bacteria, viruses and other microorganisms in the air are adhered to the disinfectant and then are brought into the water storage tank by flowing and soaked in the disinfectant to be killed by the liquid, and the air is purified, and the fan enables the purified air to flow out from the air outlet, so that the air filtering, deodorizing, air sterilizing and cleaning effects of killing viruses and the like carried by aerosol in the air are achieved.
Additional aspects and advantages of embodiments of the application 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 embodiments of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of an air purifier according to an embodiment of the present application;
FIG. 2 is an exploded schematic view of an air purifier according to an embodiment of the present application;
FIG. 3 is a schematic view showing an internal structure of an air cleaner according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of an air purifier according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of a water storage tank of an air purifier according to an embodiment of the present application;
FIG. 6 is an exploded schematic view of a water storage tank of an embodiment of the present application;
FIG. 7 is an exploded schematic view of the body of an air purifier according to an embodiment of the present application;
FIG. 8 is another exploded schematic view of the body of an air purifier according to an embodiment of the present application;
FIG. 9 is a schematic perspective view of a diverter element according to an embodiment of the present application;
FIG. 10 is a schematic plan view of a diverter element according to an embodiment of the present application;
FIG. 11 is a schematic cross-sectional view of a diverter element according to an embodiment of the present application;
FIG. 12 is a schematic perspective view of a water curtain filter element of an embodiment of the present application;
FIG. 13 is a schematic view showing a partial structure of an air cleaner according to an embodiment of the present application;
FIGS. 14-16 are flow diagrams of control methods of embodiments of the present application;
FIG. 17 is a schematic block diagram of an air purifier according to an embodiment of the present application;
description of main reference numerals:
air purifier 10, water storage tank 12, body assembly 14, water curtain filter element 16, tank 18, counterweight 20, bottom cover 22, viewing window 24, support structure 26, support sheet 28, cleat 30, housing 32, power assembly 33, air inlet 34, air outlet 36, body 38, upper cover 40, water fill 42, handle 44, draft tube 46, connector 48, first stud 50, second stud 52, water pump 54, water inlet element 56, water outlet element 58, diverter element 60, first solution tank 62, second solution tank 64, overflow channel 66, overflow inlet 68, overflow outlet 70, slot 72, first diverter 74, second diverter 76, connector 78, first bottom wall 80, first side wall 82, second side wall 84, through-hole 86, mount 88, second bottom wall 90, third side wall 92, fourth side wall 94, fluid channel 96, diverter wall 98, diverter hole 100, blower 102, bracket 104, vent 106, sealing element 108, electrode 110, extension 112, filter portion 114, mount portion 116, water level sensor 118, water level sensor 120, sensor 122, sensor 126.
Detailed Description
Embodiments of the present application are further described below with reference to the accompanying drawings. The same or similar reference numbers in the drawings refer to the same or similar elements or elements having the same or similar functions throughout.
In addition, the embodiments of the present application described below in conjunction with the drawings are exemplary only and are not to be construed as limiting the present application.
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed.
Referring to fig. 1, fig. 1 shows a schematic perspective view of an air purifier 10 according to an embodiment of the present application. The air cleaner 10 of the present embodiment is an apparatus for purifying air using a sterilizing liquid. The disinfectant is, for example, a chlorine-containing disinfectant. For example, hypochlorous acid is effective in the disinfectant. The air cleaner 10 may suck air and then purify the air to be discharged.
The air cleaner 10 of the embodiment of the present application may be used indoors, and for example, the air cleaner 10 may be used in an indoor environment such as a home or an office. Specifically, when the air purifier 10 is placed indoors, the air purifier 10 may be placed on a desk or the like. The air purifier 10 may be built-in with a battery to operate in a wireless manner, or may be connected to a utility power. The air purifier 10 can make indoor air purification, reduces the risk of user's infectious germ, improves user experience.
The air purifier 10 may have a regular shape such as a cylindrical shape or a square cylindrical shape, and of course, the air purifier 10 may have other irregular shapes. In the air cleaner 10 shown in fig. 1, the air cleaner 10 has a substantially cylindrical shape as a whole.
Referring to fig. 2-4 in combination, in an embodiment of the present application, the air purifier 10 includes a water storage tank 12, a body assembly 14, and a water curtain filter element 16. The water storage tank 12 is used for storing disinfectant. The water storage tank 12 has an open end. The body assembly 14 is removably coupled to the open end of the water storage tank 12 such that the water storage tank 12 can be easily cleaned after being separated from the body assembly 14, and the air purifier 10 can be implemented in a modular design with low manufacturing costs. A water curtain filter element 16 is positioned within the space defined by the body assembly 14 in conjunction with the water storage tank 12. The water curtain filter element 16 is used to purify air passing through the water curtain filter element 16.
Specifically, the disinfectant stored in the water tank 12 may be a chlorine-containing disinfectant, or may be other disinfectant. The disinfectant may be added to the water tank 12 after the preparation outside the air cleaner 10 is completed, or may be prepared in the water tank 12. In this application, the disinfectant in the water tank 12 is prepared in the water tank 12, and a preparation process of the disinfectant will be described later.
Referring to fig. 5-6, in an embodiment of the present application, the storage tank 12 includes a tank body 18, a weight 20, and a bottom cover 22. The weight 20 is provided at the bottom of the case 18. The weight 20 may lower the center of the air purifier 10 so that the air purifier 10 is more stable during use. The weight 20 is housed in the case 18. The bottom cover 22 covers the weight 20.
Specifically, the case 18 is substantially cylindrical. The case 18 may be made of plastic, metal, or the like. The tank 18 is open at one end and closed at the other end so that the tank 18 can store liquid. In order for a user to observe the volume of liquid within the tank 18, in the present embodiment, the side of the tank 18 is provided with an observation window 24. The viewing window 24 is a transparent window to display the volume of liquid within the tank 18. Preferably, the viewing window 24 may be provided with indicia, such as graduations, that measure the specific volume of liquid. For example, the viewing window 24 may be provided with 100mL, 200mL, 300mL, 400mL, 500mL, etc. scales. Of course, in other embodiments, the scale may be omitted.
The inner surface of the housing 18 is provided with a support structure 26, the support structure 26 for supporting the water curtain filter element 16. In other words, the water screen filter element 16 is supported on the support structure 26. In this way, the position of the water curtain filter element 16 is stable, and the filtering of the purified air is better. The support structure 26 may be of unitary construction with the housing 18. For example, the support structure 26 is formed as a unitary structure with the housing 18 via an injection molding process.
Specifically, the support structure 26 includes a plurality of support tabs 28 spaced apart along the circumference of the housing 18, with the water screen filter element 16 supported on the support tabs 28. In this manner, the support sheet 28 is easy to mold and the plurality of support sheets 28 may provide multiple points of support for the water curtain filter element 16 to improve the stability of the water curtain filter element 16.
In this embodiment, the weight 20 may be made of metal, cement, or the like, so that the weight 20 has a large mass. As shown in fig. 6, the weight 20 has a substantially rectangular parallelepiped shape. Of course, in other embodiments, the weight 20 may be cylindrical.
The bottom cover 22 may be secured to the case 18 by screws, snaps, or the like. The bottom cover 22 may facilitate loading of the weight 20 into the housing 18. The bottom cover 22 is provided with a non-slip mat 30 to increase the non-slip performance of the air purifier 10. Specifically, in the present embodiment, the cleat 30 includes a cleat disposed on the bottom cover 22. The anti-slip pad is made of rubber, foam and other materials with high friction coefficient. Of course, in other embodiments, the cleat 30 may be a pattern formed on the bottom cover 22.
Referring to fig. 3-4 and 7, in the present embodiment, the fuselage assembly 14 includes a housing 32 and a power assembly 33. The housing 32 is connected to the water storage tank 12, and further, the housing 32 is connected to the tank body 18 of the water storage tank 12. A power assembly 33 is disposed in the housing 32.
Specifically, the housing 32 is formed with an air inlet 34 and an air outlet 36. The air inlet 34 communicates with the air outlet 36. The water curtain filter element 16 covers the air inlet 34. The water curtain filter element 16 covers the air inlet 34 and extends into the water storage tank 12. The power assembly 33 is used to draw the sanitizing liquid and send the sanitizing liquid into the water curtain filter element 16. In this way, the water curtain filter element 16 covers the air inlet 34 and the power assembly 33 can send the disinfectant into the water curtain filter element 16, so that the microorganisms such as particles, bacteria and viruses in the air adhere to the disinfectant, then flow into the water storage tank 12 to be soaked and killed by the liquid, and the purified air flows out from the air outlet 36, thereby achieving the cleaning effects of air filtration, air sterilization, air disinfection, and killing of viruses carried by aerosol in the air.
The number of the air inlets 34 is plural, and the plurality of air inlets 34 are arranged in the circumferential direction of the housing 32. For example, the plurality of air inlets 34 are arranged in an array along the circumferential direction of the housing 32. In this manner, the plurality of air inlets 34 can increase the amount of intake air of the air cleaner 10, thereby improving the effect of purifying air of the air cleaner 10. The shapes of the inlet 34 and the outlet 36 may be specifically designed according to actual requirements, and the specific shapes of the inlet 34 and the outlet are not limited herein. For example, the shape of the air inlet 34 and the air outlet 36 may be circular, square, or the like, or may be irregular.
To achieve a water curtain filter element 16 covering the air inlet 34, the water curtain filter element 16 is cylindrical. For example, the entirety of the water curtain filter element 16 has a cylindrical shape or the like. The cylindrical water curtain filter element 16 has a large filter element area, and can improve the efficiency of purifying air.
Referring to fig. 1 and 7, in the embodiment of the present application, the housing 32 includes a body 38 and an upper cover 40 connected to the body 38, and the body 38 is formed with the air inlet 34. The upper cover 40 is formed with an air outlet 36. In this way, air enters the housing from the body 38, is filtered by the water curtain filter chamber, and is discharged from the upper cover 40, thereby achieving the effect of purifying the air.
Specifically, the body 38 is connected to the water storage tank 12. The body 38 is substantially cylindrical. The upper cover 40 is detachably connected to the body 38. For example, the upper cover 40 may be coupled to the body 38 by screws, snaps, or the like. It will be appreciated that the upper cover 40 is located on top of the body 38.
The upper cover 40 is formed with a water filling port 42 communicating with the water storage tank 12. Thus, a user may fill the water storage tank 12 with liquid through the water filling port 42, thereby facilitating the use of the air cleaner 10 by the user. For example, a user may fill the tank 12 with disinfectant through the fill port 42; for another example, the user may fill the water fill port 42 with tap water and sodium chloride to fix the water in the water storage tank 12 to electrolytically form chlorine-containing sterilizing fluid.
Of course, in other embodiments, the water fill port 42 is omitted. For example, a user may remove the body assembly 14 to add an associated liquid from the open end of the storage tank 12 into the storage tank 12.
In this embodiment, the fuselage assembly 14 further includes a handle 44, the handle 44 being rotatably disposed on the upper cover 40. In this manner, a user may conveniently access the air purifier 10 via the handle 44. Of course, in other embodiments, handle 44 may be secured with upper cover 40. In the case where the user can take the air cleaner 10 through the water storage tank 12 or the like, the handle 44 may be omitted.
In this embodiment, the handle 44 is rotatable between a first position in which the handle 44 is received within the upper cover 40 and covers the fill port 42, and a second position in which the handle 44 is unfolded relative to the upper cover 40. In this manner, handle 44 covers water fill port 42, making air purifier 10 more aesthetically pleasing.
As shown in fig. 4 and 7, in some embodiments, a flow guide 46 is provided in the housing 32 corresponding to the water inlet 42, and the flow guide 46 can guide water into the water storage tank 12. In the present embodiment, the draft tube 46 is bent.
Referring to fig. 8, in some embodiments, the body assembly 14 includes a connector 48, the connector 48 being partially inserted into the water storage tank 12 and removably connected to the water storage tank 12, the connector 48 being partially inserted into the housing 32 and removably connected to the housing 32. In this manner, the housing 32 may be removably connected to the storage tank 12 via the connector 48.
Specifically, referring to fig. 5, a first stud 50 is formed on an inner wall of the water storage tank 12, the connecting member 48 is screwed with the water storage tank 12 through the first stud 50, the housing 32 is formed with a second stud 52, and the connecting member 48 is connected with the housing 32 through the second stud 52. In this way, the water storage tank 12 and the housing 32 can be detachably connected together by means of screws, and the installation is convenient.
Referring again to fig. 3-4 and 7, in the embodiment of the present application, the power assembly 33 includes a water pump 54, and a water inlet member 56 and a water outlet member 58 both connected to the water pump 54, the water inlet member 56 extends into the water tank, and the water outlet member 58 is used to deliver sterilizing fluid to the water curtain filter member 16. As such, the water pump 54 may draw the sanitizing liquid from the storage tank 12 through the water inlet member 56 to deliver the sanitizing liquid to the water curtain filter element 16 through the water outlet member 58.
The water inlet element 56 is, for example, a hollow element such as a water pipe. The water outlet member 58 may be a hollow member such as a water pipe. The water outlet member 58 may be integrally formed with the water pump 54. Alternatively, the water outlet member 58 is formed on the water pump 54.
In the present embodiment, the power assembly 33 further includes a diverter element 60, where the diverter element 60 connects the water outlet element 58 and the housing 32, and the diverter element 60 is configured to uniformly deliver the disinfectant from the water outlet element 58 to the water curtain filter element 16. In this manner, the flow diversion element 60 evenly feeds the sanitizing liquid into the water curtain filter element 16 such that the sanitizing liquid is distributed throughout the various portions of the water curtain filter element 16, thereby enhancing the effectiveness of the water curtain filter element 16 in purifying air.
In particular, referring to fig. 9-11, the diverter element 60 is formed with a first solution tank 62, a second solution tank 64, and an overflow channel 66, the second solution tank 64 being spaced apart from the first solution tank 62, the overflow channel 66 connecting the first solution tank 62 and the second solution tank 64, the overflow channel 66 having an overflow inlet 68 and an overflow outlet 70, the overflow inlet 68 communicating with the first solution tank 62, the overflow outlet 70 communicating with the second solution tank 64, the second solution tank 64 having a notch 72, the notch 72 being positioned lower than the overflow outlet 70 so that sterilizing fluid overflowed from the notch 72 enters the water curtain filter element 16.
In this manner, the first and second solution tanks 62, 64 may allow the solution to overflow at least twice and eventually flow from the overflow outlet 70 to the water curtain filter element 16, such that the solution overflowed from the second solution tank 64 may be evenly distributed to various locations of the water curtain filter element 16, such that the various locations of the water curtain filter element 16 may have sterilizing and disinfecting capabilities, thereby improving the sterilizing capabilities of the water curtain filter element 16.
It should be noted that in the present embodiment, the number of the first solution tank 62 and the second solution tank 64 is one, and in other embodiments, the number of the first solution tank 62 and the second solution tank 64 may be two or more.
In the present embodiment, the first solution tank 62 and the second solution tank 64 are both annular, the second solution tank 64 is disposed around the first solution tank 62, the number of overflow passages 66 is plural, and the plurality of overflow passages 66 are disposed at intervals along the circumferential direction of the first solution tank 62. As such, the annular shape of the first and second solution tanks 62, 64 may conform to the shape of the water curtain filter element 16 such that the sanitizing solution may uniformly partially water curtain filter element 16.
In some embodiments, the flow splitting element 60 includes a first flow splitting section 74, a second flow splitting section 76, and a connecting section 78 connecting the first flow splitting section 74 and the second flow splitting section 76, the first flow splitting section 74 being formed with the first solution tank 62, the second flow splitting section 76 being formed with the second solution tank 64, the connecting section 78 being formed with the overflow channel 66. In this way, the shunt element 60 is formed by three parts, and the structure is easy to realize.
Specifically, the first and second flow dividing portions 74 and 76 and the connecting portion 78 may be an integrally formed structure. For example, the shunt element 60 may be formed using an injection molding process. In addition, the flow dividing element 60 and the housing 32 may be integrally formed.
In the present embodiment, the first diversion portion 74 includes a first bottom wall 80, and a first side wall 82 and a second side wall 84 extending from two side edges of the first bottom wall 80, the first side wall 82 and the second side wall 84 enclose the first solution tank 62, the connection portion 78 connects the second side wall 84, and the overflow channel 66 penetrates through the second side wall 84. In this way, the first solution tank 62 is easily formed.
The first diverting portion 74 is formed with a through-hole 86 disposed at a distance from the first solution tank 62, the through-hole 86 being for supplying the sterilizing solution to the first solution tank 62. Specifically, the water pump 54 may be disposed at the through hole 86, and the water inlet member 56 may extend into the water storage tank 12 through the through hole 86. When the water pump 54 is operated, the water pump 54 may draw the sanitizing liquid to flow through the water outlet member 58 into the first solution tank 62.
In the present embodiment, the water pump 54 is mounted to the first split portion 74 by a mounting member 88, as shown in fig. 4. The mounting member 88 is in the shape of a cap. The mounting member 88 covers the through hole 86 and extends to the first solution tank 62. The liquid exiting the outlet member 58 passes through the mounting member 88 and into the first solution tank 62.
In the present embodiment, the second flow dividing portion 76 includes a second bottom wall 90 and third and fourth side walls 92 and 94 extending from two side edges of the second bottom wall 90, the third side wall 92 and the fourth side wall 94 enclose the second solution tank 64, the connecting portion 78 connects the third side wall 92, the overflow channel 66 penetrates the third side wall 92, and the fourth side wall 94 is used for overflowing the sterilizing solution. In this way, the second solution tank 64 is easily formed.
In the present embodiment, the number of the connection portions 78 is plural, the plural connection portions 78 are disposed at intervals, and the fluid passage 96 is defined between two adjacent connection portions 78. The fluid passage 96 communicates with the air inlet 34 and the air outlet 36. Air may enter the housing 32 from the air inlet 34 and exit the air housing 32 through the water curtain filter element 16, the fluid passage 96 and the air outlet 36. In addition, the fluid passage 96 communicates with the water filling port 42, and the liquid can be filled from the water filling port 42 and then reach the water storage tank 12 through the fluid passage 96. The fluid passage 96 may be fan-shaped, circular, etc. The particular shape of the fluid passage 96 is not limited herein.
In some embodiments, the flow splitting element 60 includes a flow splitting wall 98 extending from the fourth side wall 94, the flow splitting wall 98 being formed with a plurality of flow splitting apertures 100, the plurality of flow splitting apertures 100 being spaced apart along the length of the fourth side wall 94. In this manner, the diverter wall 98 directs sterilizing fluid spilled from the fourth side wall 94 into the water curtain filter element 16 so that the water curtain filter element 16 may purify air.
Referring to fig. 3-4 and 7, in some embodiments, the fuselage assembly 14 further includes a fan 102 disposed within the outer shell 32. The fan 102 is configured to create an airflow from the air inlet 34 to the air outlet 36. In this manner, the blower 102 makes it possible to accelerate the flow rate of the gas and to enhance the effect of the air cleaner 10 in purifying the air.
Specifically, the fan 102 is located above the flow splitting element 60. The airframe assembly 14 includes a bracket 104, the bracket 104 being fixedly connected to the housing 32, the fan 102 being mounted to the bracket 104, the bracket 104 being formed with a vent 106 communicating the air inlet 34 with the air outlet 36. As such, the fan 102 may be secured within the housing 32 with the bracket 104. In addition, the vent hole 106 may allow air to smoothly flow out of the air outlet 36.
In the present embodiment, the bracket 104 mates with the shunt element 60 and covers the shunt element 60. To prevent liquid from entering the blower 102, a sealing element 108 is provided between the bracket 104 and the housing 32.
Referring to fig. 12, in the embodiment of the present application, the water curtain filter element 16 includes a filter portion 114 and mounting portions 116 connected to two ends of the filter portion 114, and the mounting portions 116 are formed with water holes 118, so that the disinfectant can enter the filter portion 114 and flow from the filter portion 114. The water curtain filter element 16 is connected to the support sheet 28 by a mounting portion 116 and interfaces with the diverter wall 98 of the diverter element 60.
In the present embodiment, the upper part of the water curtain filter element 16, which is two-thirds of the length, is exposed to the water storage tank 12, and the lower part of the water curtain filter element, which is one-third of the length, is extended into the water storage tank 12. In addition, the central hollow portion of the water curtain filter element 16 covers the air outlet 36.
In this application, air purifier 10 can carry out the specialty and wash in setting for certain work live time, and the user of being convenient for carries out the cascade filter element 16 clean, and simple and convenient clean filters, disinfects, pollution air impurity after the cleanness to can repetitious usage, ensure product life and product quality.
Referring to fig. 3-4 and 7, in some embodiments, the air purifier 10 includes an electrode 110 disposed within the water storage tank 12, the electrode 110 being configured to electrolyze brine disposed within the water storage tank 12 to form a sanitizing liquid. Thus, electrolysis of brine by the electrode 110 can yield chlorine-containing sterilizing fluids.
In one example, tap water and sodium chloride solids may be added to the storage tank 12 through the water fill port 42 to obtain a sodium chloride solution. Chlorine-containing sterilizing liquid can be obtained after the sodium chloride solution is electrolyzed. The specific process formula of the electrolysis is as follows:
NaCl+H 2 O→Na + +H + +Cl - +OH - ；
wherein the anode reaction is as follows: 2Cl - ＝Cl 2 +2e - ；
The cathode reaction is as follows: 2H (H) + +2e - ＝H 2 ↑；
Cl 2 +NaOH→HClO+NaCl；
Cl 2 +2NaOH→2NaClO+NaCl+H 2 O；
Cl 2 +2OH - →ClO - +Cl - +H 2 O；
From the above, it is known that hypochlorous acid solution can be obtained after electrolysis of sodium chloride, and viruses and bacteria can be killed due to the strong oxidation of hypochlorous acid.
It should be noted that the air purifier 10 of the present embodiment can obtain a solution of a predetermined effective chlorine concentration by controlling the concentration of the sodium chloride solution. Accordingly, the air purifier 10 of the present embodiment can purify particulate matter in the air as well as sterilize the air. The generated available chlorine is controllable, so that the method is harmless to users and can achieve the disinfection effect.
In one example, the concentration of available chlorine in the chlorine-containing solution obtained by electrolysis is 100-400mg/L when the concentration of sodium chloride is 2-8 g/L.
Specifically, the brine concentration and the concentration of available chlorine in the resulting chlorine-containing solution are shown in Table 1 below:
table 1:
Figure BDA0002402950860000101
in this embodiment, the body assembly 14 further includes an extension 112, and the extension 112 is inserted into the water storage tank 12. The electrode 110 is disposed on the extension 112. In this manner, the protrusions 112 may fix the position of the electrode 110, facilitating electrolysis of the brine.
Specifically, the extension 112 is fixedly coupled to the shunt member 60. For example, the extension 112 may be formed as a unitary structure with the shunt element 60. The extension 112 is hollow in structure. The water inlet element 56 is arranged in the extension 112, or the water inlet element 56 sucks up the disinfection solution in the water storage tank 12 via the extension 112.
Referring to fig. 7, in the embodiment of the present application, the air purifier 10 further includes a control circuit board 120, a water level sensor 122, and a salinity sensor 124. The control circuit board 120 is electrically connected to the electrodes 110, the water level sensor 122, and the salinity sensor 124. The control circuit board 120 is used to apply a voltage to the electrode 110 to control the electrode 110 to electrolyze the brine.
A water level sensor 122 is provided in the water storage tank 12, the water level sensor 122 being for detecting the water level in the water storage tank 12. Specifically, in the embodiment of the present application, the water level sensor 122 is disposed on the penetration 112 and spaced apart from the electrode 110. The control circuit board 120 may operate according to the water level control electrode 110 detected by the water level sensor 122. For example, the control circuit board 120 may control the applied voltage and the operating time of the electrodes 110 to control the rate of electrolysis.
A salinity sensor 124 is disposed within the water storage tank 12, the salinity sensor 124 being configured to detect a concentration of a sterilizing fluid within the water storage tank 12. For example, salinity sensor 124 may detect the concentration of sodium hypochlorite. Specifically, in the present embodiment, salinity sensor 124 is disposed on extension 112 and spaced from electrode 110. The control circuit board 120 may control the operation of the blower 102 and the water pump 54 based on the concentration of the sanitizing liquid detected by the salinity sensor 124. It should be noted that the concentration of chlorine-containing sterilizing fluid obtained by final electrolysis is related to the concentration of brine, regardless of the size of the electrode 110 and the operating time of the electrode 110, according to energy conservation.
As shown in fig. 1 and 7, in some embodiments, the air purifier 10 further includes a button 126, which may be a mechanical button or a touch button, and the button 126 is used to control the operation state of the air purifier 10. For example, the user may control the air purifier 10 to electrolyze brine and control the air purifier 10 to purify air by operating the key 126.
In the present embodiment, the key 126 is provided on the upper cover 40. In other embodiments, the keys 126 may be located elsewhere in the air purifier 10.
To sum up, referring to fig. 13, in one example, the operation of the air purifier 10 according to the embodiment of the present application is as follows:
1. water and salt are injected into the water storage tank 12 through the water injection port 42;
2. detecting the brine level and concentration in the water storage tank 12;
3. applying a voltage to the electrode 110 to electrolyze brine, thereby obtaining chlorine-containing sterilizing liquid;
4. the water pump 54 and the fan 102 are turned on, and the water pump 54 can pump the disinfectant to sequentially pass through the first solution tank 62, the second solution tank 64, and the diversion holes 100 of the diversion wall 98, then to the water curtain filter element 16, and then to the water storage tank 12, and so on. The fan 102 may draw air from the air inlet 34, through the water curtain filter element 16 to form purified air, which is sequentially passed through the fluid passage 96 and the vent 106 and then exhausted from the air outlet 36, and thus circulated, so that the indoor air may be purified.
The product of the invention is an excellent pioneer of an air purification product, not only has the characteristics of killing various harmful microorganisms and eliminating toxic substances, but also has the advantages of safety, high efficiency, broad spectrum, convenient storage and use, and the like; effectively and thoroughly solves the air quality problem of secondary pollution in the room.
The present application also provides a control method for an air purifier, which may be the air purifier 10 of any one of the above embodiments. Specifically, the air purifier 10 includes the housing 32 of the airframe assembly 14, the water curtain filter element 16, the water pump 54, and the fan 102. The housing 32 defines an air inlet 34 and an air outlet 36. The water curtain filter element 16 is disposed in the housing 32. The water curtain filter element 16 covers the air inlet 34. A water pump is provided in the housing 32 for drawing disinfectant from the water reservoir 12 and delivering the disinfectant to the water curtain filter element 16, the water curtain filter element 16 for passing the disinfectant exiting the water curtain filter element 16 into the water reservoir 12. The fan 102 is disposed within the housing 32. The fan 102 is configured to create an airflow from the air inlet 34 to the air outlet 36.
Referring to fig. 14, the control method includes:
s10, obtaining the concentration of a disinfectant;
S20, when the concentration of the disinfectant is within a preset concentration range, the water pump 54 is started so that the disinfectant enters the water curtain filter element 16;
and S30, controlling the fan 102 to work so that the air purified by the water curtain filter element 16 is discharged from the air outlet 36.
In some embodiments, the air purifier 10 of the present embodiments further includes a control circuit board 120, the control circuit board 120 being configured to obtain the concentration of the sterilizing fluid; and for turning on the water pump 54 to allow the sanitizing liquid to enter the water curtain filter element 16 when the concentration of the sanitizing liquid is within the predetermined concentration range; and controlling the operation of the blower 102 to cause the air purified by the water curtain filter element 16 to be discharged from the air outlet 36.
In the control method and the air purifier 10 of the embodiment of the present application, when the concentration of the sterilizing liquid is within the predetermined concentration range, the water pump 54 and the fan 102 are turned on, so that the sterilizing liquid can be fed into the water curtain filter element 16, so that the micro-organisms such as particles, bacteria, viruses and the like in the air adhere to the sterilizing liquid and are then brought into the water storage tank 12 by flowing and soaked in the liquid to be killed, and the air is purified, and the fan 102 enables the purified air to flow out from the air outlet 36, thereby achieving the cleaning effects of air filtration, deodorization, air sterilization, and killing of viruses and the like carried by aerosol in the air.
Specifically, in step S10, the concentration of the disinfectant is the concentration of the sterilizing active ingredient in the disinfectant. The disinfectant is, for example, a sodium hypochlorite mixed solution, and in this case, the concentration of the disinfectant is that of sodium hypochlorite. The concentration of available chlorine in the disinfectant can be 100-400mg/L. Alternatively, the predetermined concentration range is 100-400mg/L.
It can be understood that only when the concentration of the disinfectant is within a reasonable range, the disinfectant can not only disinfect germs, but also ensure the safety of users.
In case the concentration of the sterilizing fluid is within a predetermined range, step S20 is performed, i.e. the water pump 54 is turned on, so that the sterilizing fluid can enter the water curtain filter element 16.
In step S30, after the fan 102 is turned on, the fan 102 may draw in air from the air inlet, when the air passes through the water curtain filter element 16, particulate matters, bacteria and viruses in the air may be attached to the disinfectant, the bacteria and viruses may be killed after being soaked in the disinfectant, the air passing through the water curtain filter element 16 is purified air, and the purified air may be discharged from the air outlet.
In some embodiments, the rotational speed of the water pump 54 and the rotational speed of the fan 102 may be in a positive correlation, or, the greater the rotational speed of the water pump 54, the greater the rotational speed of the fan 102 may be controlled, so that the efficiency of the air purifier 10 for purifying air may be improved.
In some embodiments, the air purifier 10 includes a water storage tank 12 and a salinity sensor 124 disposed in the water storage tank 12;
referring to fig. 15, step S10 includes:
s11, detecting the concentration of sodium hypochlorite in the disinfectant through a salinity sensor 124;
s12, obtaining the concentration of the disinfectant according to the concentration of the sodium hypochlorite.
In some embodiments, the control circuit board 120 is used to detect the concentration of sodium hypochlorite of the sanitizing liquid by the salinity sensor 124; and the concentration of the disinfectant is obtained according to the concentration of the sodium hypochlorite.
As discussed above, the sterilizing solution may be a sodium hypochlorite solution, and thus, the concentration of sodium hypochlorite is detected by the salinity sensor 124, so that the concentration of the sterilizing solution may be easily obtained, and the process is easily implemented. In one example, the salinity sensor 124 may determine the brine concentration by detecting the degree of conductivity of the sterilizing fluid.
Referring to fig. 16, in some embodiments, the air purifier 10 includes a water storage tank 12 and an electrode 110 disposed in the water storage tank 12, the control method includes:
s01, acquiring the water level in the water storage tank 12;
s02, the control electrode 110 operates when the water level in the water storage tank 12 is greater than a predetermined water level.
In some embodiments, the control circuit board 120 is used to obtain the water level in the water storage tank 12; and for controlling the operation of the electrode 110 when the water level in the water storage tank 12 is greater than a predetermined water level.
As discussed above, the sanitizing liquid may be obtained by electrolysis, and a fixed amount of sodium chloride solids may be dosed at a time. Therefore, the water level in the water storage tank is detected first, and the influence on personal safety caused by the fact that the concentration of chlorine-containing disinfectant in the disinfectant is too high due to the fact that the concentration of saline is too high is avoided.
Specifically, in step S01, as discussed above, the water level in the water storage tank 12 may be detected by the water level sensor 122.
It should be noted that both step S01 and step S10 may be performed for the air cleaner 10 in response to a user operation. For example, when the user presses the key 126 of the air cleaner 10, steps S01 and S10 start to be performed.
In some embodiments, the control method comprises:
when the concentration of the sterilizing fluid is not within the predetermined concentration range, the control electrode 110, the water pump 54, and the blower 102 stop operating.
In some embodiments, the control circuit board 120 is configured to control the electrodes 110, the water pump 54, and the blower 102 to cease operation when the concentration of the sanitizing liquid is not within the predetermined concentration range.
Thus, when the concentration of the sterilizing liquid is not within the predetermined concentration range, the water pump 54 and the fan 102 are controlled to stop working, so that the air purifier 10 is in the standby protection state, and the use safety of the air purifier 10 is improved. For example, when the concentration of the sterilizing liquid is higher than the predetermined concentration range, the air purifier 10 is in a stopped state, so that the user's health can be prevented from being harmed by the excessively high concentration of the sterilizing liquid. When the concentration of the sterilizing liquid is lower than the predetermined concentration range, the air purifier 10 can be in a stop state, so that the too low sterilizing effect caused by the too low concentration of the sterilizing liquid can be avoided.
In some embodiments, the control method comprises: and when the concentration of the disinfectant is not in the preset concentration range, sending out prompt information.
In some embodiments, the control circuit board 120 is configured to issue a prompt when the concentration is not within a predetermined concentration range.
In this manner, the prompt message may prompt the user that the concentration of the sanitizing liquid is too high or too low so that the user may add water and/or sodium chloride solids to the storage tank 12 to allow the air purifier 10 to prepare a sanitizing liquid of a suitable concentration so that the air purifier 10 may function properly.
To sum up, referring to fig. 17, in one example, the operation of the air purifier 10 may be:
the control circuit board 120 responds to the start-up instruction, then detects the water level through the water level sensor 122 and the concentration of the sterilizing liquid through the salinity sensor 124, and when the concentration of the sterilizing liquid is within a predetermined range, the control circuit board 120 sends out a working instruction to control the water pump 54 and the blower 102 to work. When the water level is greater than or equal to the predetermined water level, the control circuit board 120 issues a working command to control the electrode 110 to work.
It should be noted that, for other undeployed parts of the control method in the embodiment of the present application, reference is made to the same or similar parts of the air purifier 10 in the above embodiment, and no further description is given here.
In the description of the present specification, reference to the terms "certain embodiments," "one embodiment," "some embodiments," "an exemplary embodiment," "an example," "a particular example," or "some examples" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application, which is defined by the claims and their equivalents.

Claims (10)

1. A control method for an air cleaner, the air cleaner comprising:
A water storage tank;
a fuselage assembly including a housing and a power assembly;
the shell is connected with the water storage tank, and forms an air inlet and an air outlet;
a water curtain filter element disposed in the housing, the water curtain filter element covering the air inlet;
the power assembly is arranged in the shell and comprises a water pump, the water pump is used for pumping disinfectant from the water storage tank and sending the disinfectant to the water curtain filter element, and the water curtain filter element is used for enabling the disinfectant flowing out of the water curtain filter element to enter the water storage tank; and
a fan disposed within the housing, the fan configured to form an airflow from the air inlet to the air outlet;
the power assembly further comprises a water inlet element and a water outlet element, the water inlet element and the water outlet element are both communicated with the water pump, the water inlet element stretches into the water storage tank, and the water outlet element is used for conveying disinfectant in the water storage tank to the water curtain filter element;
the power assembly further comprises a flow dividing element, wherein the flow dividing element is connected with the water outlet element and the shell, and is used for conveying liquid in the water storage tank sent out by the water outlet element into the water curtain filter element;
The flow dividing element comprises a first flow dividing part, a second flow dividing part and a connecting part, wherein the connecting part is used for connecting the first flow dividing part and the second flow dividing part, the first flow dividing part is provided with a first solution tank, the second flow dividing part is provided with a second solution tank, and the connecting part is provided with an overflow channel;
the number of the connecting parts is multiple, the connecting parts are arranged at intervals, a fluid channel is defined between two adjacent connecting parts, and the fluid channel is communicated with the air inlet and the air outlet;
the control method comprises the following steps:
acquiring the concentration of the disinfectant;
when the concentration of the disinfectant is within a predetermined concentration range, starting the water pump to enable the disinfectant to enter the water curtain filter element through the first solution tank, the overflow channel and the second solution tank;
and controlling the fan to work so that air enters from the air inlet, passes through the water curtain filter element, the fluid channel and the air outlet and is discharged.
2. The control method according to claim 1, wherein the air cleaner includes a salinity sensor provided in the water storage tank;
Obtaining the concentration of the disinfectant, comprising:
detecting the concentration of sodium hypochlorite of the disinfectant through the salinity sensor;
and obtaining the concentration of the disinfectant according to the concentration of the sodium hypochlorite.
3. The control method according to claim 1, wherein the air cleaner includes a water storage tank and an electrode provided in the water storage tank, the control method including, before the step of detecting the concentration of the sterilizing liquid:
acquiring the water level in the water storage tank;
and when the water level is greater than or equal to a preset water level, controlling the electrode to work so as to electrolyze to obtain the disinfectant.
4. A control method according to claim 3, characterized in that the control method comprises:
and when the concentration of the disinfectant is not in the preset concentration range, controlling the electrode, the water pump and the fan to stop working.
5. The control method according to claim 1, characterized in that the control method includes:
and when the concentration of the disinfectant is not in the preset concentration range, sending out prompt information.
6. An air purifier, comprising:
a water storage tank;
a fuselage assembly including a housing and a power assembly; the shell is connected with the water storage tank, and forms an air inlet and an air outlet;
A water curtain filter element disposed in the housing, the water curtain filter element covering the air inlet;
the power assembly is arranged in the shell and comprises a water pump, the water pump is used for pumping disinfectant from the water storage tank and sending the disinfectant to the water curtain filter element, and the water curtain filter element is used for enabling the disinfectant flowing out of the water curtain filter element to enter the water storage tank; and
a fan disposed within the housing, the fan configured to form an airflow from the air inlet to the air outlet;
the power assembly further comprises a water inlet element and a water outlet element, the water inlet element and the water outlet element are both communicated with the water pump, the water inlet element stretches into the water storage tank, and the water outlet element is used for conveying disinfectant in the water storage tank to the water curtain filter element;
the power assembly further comprises a flow dividing element, wherein the flow dividing element is connected with the water outlet element and the shell, and is used for conveying liquid in the water storage tank sent out by the water outlet element into the water curtain filter element;
the flow dividing element comprises a first flow dividing part, a second flow dividing part and a connecting part, wherein the connecting part is used for connecting the first flow dividing part and the second flow dividing part, the first flow dividing part is provided with a first solution tank, the second flow dividing part is provided with a second solution tank, and the connecting part is provided with an overflow channel;
The number of the connecting parts is multiple, the connecting parts are arranged at intervals, a fluid channel is defined between two adjacent connecting parts, and the fluid channel is communicated with the air inlet and the air outlet;
the control circuit board is connected with the water pump and the fan and is used for acquiring the concentration of the disinfectant; and for turning on the water pump when the concentration of the sanitizing liquid is within a predetermined concentration range, so that the sanitizing liquid enters the water curtain filter element through the first solution tank, the overflow channel, and the second solution tank; and the fan is used for controlling the operation of the fan so that air enters from the air inlet, passes through the water curtain filter element, the fluid channel and the air outlet and is discharged.
7. The air purifier of claim 6, wherein the air purifier comprises a water storage tank and a salinity sensor disposed in the water storage tank; the control circuit board is used for detecting the concentration of sodium hypochlorite of the disinfectant through the salinity sensor; and the concentration of the disinfectant is obtained according to the concentration of the sodium hypochlorite.
8. The air purifier of claim 6, wherein the air purifier comprises a water storage tank and an electrode disposed in the water storage tank, the control circuit board being configured to obtain a water level in the water storage tank; and the electrode is used for controlling the electrode to work so as to electrolyze to obtain the disinfectant when the water level is greater than or equal to a preset water level.
9. The air purifier of claim 8, wherein the control circuit board is configured to control the electrode, the water pump, and the blower to stop operating when the concentration of the sanitizing solution is not within a predetermined concentration range.
10. The air purifier of claim 6, wherein the control circuit board is configured to send a prompt when the concentration of the sanitizing liquid is not within the predetermined concentration range.
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