A multi-stage photocatalytic water-washing air purifier

Abstract

The present invention provides a multi-stage photocatalytic water-washing air purifier, comprising a shell, wherein the shell has a multi-stage photocatalytic system, a filtering device and a power drainage system; the multi-stage photocatalytic system is a three-stage photocatalytic system, wherein the first stage is a photocatalytic reaction chamber, the second stage is a photocatalytic water tank, and the third stage is a water-washing air chamber; the photocatalytic reaction chamber performs photocatalytic disinfection on the air, the water-washing air chamber performs spraying water washing and photocatalytic double purification on the air, and the photocatalytic water tank recycles the spraying water and performs photocatalytic purification to realize the recycling of water. The multi-stage photocatalytic water-washing air purifier provided by the present invention can realize fully automatic multiple ultraviolet sterilization and air purification, ensure the safety and environmental protection of air and water, and can also ensure a constant humidity in the indoor environment; it also has the functions of remote control and autonomous purification.

Description

Technical Field

[0001] The invention relates to the technical field of air purification, and in particular to a multi-stage photocatalytic water-washing air purifier. Background Art

[0002] As people's living standards improve, their requirements for environmental quality are getting higher and higher. Therefore, it is imperative to improve environmental quality and living environment. Air purifier is a product that can absorb air pollutants and effectively improve air cleanliness. However, the existing air purifiers on the market mainly remove particulate matter, and cannot effectively eliminate bacteria, viruses, formaldehyde and other substances harmful to human health in the air. At the same time, the degree of self-control is low and the noise is loud. Therefore, it is urgent to develop a new type of air purifier that can quickly achieve air sterilization and purification, and can realize artificial intelligence control, without noise and other pollution. Summary of the invention

[0003] The embodiments of the present invention provide a multi-stage photocatalytic water-washing air purifier for solving the problems existing in the prior art.

[0004] In order to achieve the above object, the present invention adopts the following technical scheme.

[0005] A multi-stage photocatalytic water-washing air purifier comprises a housing, characterized in that a multi-stage photocatalytic system, a filtering device and a power drainage system are arranged in the housing; the multi-stage photocatalytic system comprises a photocatalytic reaction chamber, a photocatalytic water tank and a water-washing air chamber; the power drainage system comprises a fan and an air outlet;

[0006] The photocatalytic reaction chamber includes an air inlet and a plurality of first ultraviolet light sources, the water-washing air chamber is respectively connected to the photocatalytic reaction chamber, the photocatalytic water tank and the power drainage system, and the filtering device is located between the water-washing air chamber and the photocatalytic reaction chamber;

[0007] The photocatalytic water tank has water, a second ultraviolet light source and a first photocatalyst, and the first photocatalyst is in contact with the water in the photocatalytic water tank;

[0008] The water-washing air chamber includes a third ultraviolet light source and a spray device; the third ultraviolet light source is multiple, located in the air flow path and having a gap with the spray device; one side of the spray device is connected to the fan drive, and the other side extends into the water in the photocatalytic water tank. The side of the spray device has a water outlet, and the photocatalytic filter head is close to the water surface of the photocatalytic water tank; the fan drives the spray device to rotate axially to form a negative pressure environment in the spray device, so that the water in the photocatalytic water tank is sucked into the spray device and finally thrown out through the water outlet; the air is introduced into the shell from the air inlet, passes through the photocatalytic reaction chamber and the water-washing air chamber in sequence, and is finally discharged through the air outlet of the power drainage system;

[0009] The air purifier also has a control system, which is connected with the multi-stage photocatalytic system, the filtering device and the power drainage system circuit.

[0010] Preferably, the outer shell is a vertical cylindrical structure, and the power drainage system is located above the multi-stage photocatalytic system and the filtering device; there are multiple air inlets and outlets, which are located on the side of the outer shell; the first ultraviolet light source is located on the inner side of the outer shell and is arranged around the axis of the outer shell; the photocatalytic water tank is located at the bottom of the outer shell, and the water-washing air chamber is located in the middle of the outer shell and above the photocatalytic water tank; the third ultraviolet light source is arranged around the axis of the water-washing air chamber.

[0011] Preferably, there are six first ultraviolet light sources and six third ultraviolet light sources, respectively, and they are arranged at equal intervals.

[0012] Preferably, the second ultraviolet light source is located at the bottom of the photocatalytic water tank and includes three concentrically arranged circular ultraviolet lamps.

[0013] Preferably, the spray device as a whole is a funnel-shaped structure, including a water suction pipe and a spray cylinder fixedly connected to each other, the bottom end of the water suction pipe extends into the water in the photocatalytic water tank, the top end of the spray cylinder is connected to the fan, and the water outlet is located on the side of the spray cylinder; the water suction pipe also has a photocatalytic filter head, which is a metal nano-titanium dioxide filter head.

[0014] Preferably, the photocatalytic filter head is 1 to 2 cm away from the second ultraviolet light source.

[0015] Preferably, the filtering device has a bracket connected to the housing, and an intermediate carbon adsorption material and a second photocatalyst connected to the bracket.

[0016] Preferably, the control system is used to control the working quantity of the first ultraviolet light source, the third ultraviolet light source, and the wind speed of the fan, and is also connected to the external terminal device for communication.

[0017] Preferably, the control system further comprises a temperature and humidity sensor, an environmental pollutant sensor and a position sensor;

[0018] The air purifier also has a push-lift frame and a power wheel, which is located at the bottom of the air purifier and is connected to the control system circuit.

[0019] It can be seen from the technical solutions provided by the above embodiments of the present invention that the multi-stage photocatalytic water-washing air purifier provided by the present invention comprises a shell, and a multi-stage photocatalytic system, a filtering device and a power drainage system are arranged inside the shell; the multi-stage photocatalytic system is a three-stage photocatalytic system, the first stage is a photocatalytic reaction chamber, the second stage is a photocatalytic water tank, and the third stage is a water-washing air chamber; the photocatalytic reaction chamber performs photocatalytic disinfection on the air, the water-washing air chamber performs spraying water washing and photocatalytic double purification on the air, and the photocatalytic water tank recycles the spraying water and performs photocatalytic purification to realize the recycling of water. The multi-stage photocatalytic water-washing air purifier provided by the present invention can realize fully automatic multiple ultraviolet sterilization and air purification, ensure the safety and environmental protection of air and water, and can also ensure the constant humidity of the indoor environment; it also has the functions of remote control and autonomous purification.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, which will become obvious from the following description, or may be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the structure of a multi-stage photocatalytic water-washing air purifier provided by the present invention;

[0023] Figure 2 A schematic structural diagram of a spray device for a multi-stage photocatalytic water-washing air purifier provided by the present invention.

[0024] In the figure:

[0025] 1. Outer shell 21. Bracket 22. Intermediate carbon adsorption material 23. Second photocatalyst 3. Power drainage system 31. Fan 32. Air outlet 33. Vent 4. Photocatalytic reaction chamber 41. Air inlet 42. First ultraviolet light source 5. Photocatalytic water tank 51. Second ultraviolet light source 52. First photocatalyst 6. Water-washing air chamber 61. Spray device 611. Water suction pipe 612. Spray cylinder 613. Water outlet 614. Photocatalytic filter head 615. Third ultraviolet light source 616. Baffle 7. Push-lift rack 8. Power wheel 9. Control system. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention.

[0027] It will be understood by those skilled in the art that, unless expressly stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present invention refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be intermediate elements. In addition, the "connection" or "coupling" used herein may include wireless connection or coupling. The term "and / or" used herein includes any unit and all combinations of one or more associated listed items.

[0028] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as those generally understood by those skilled in the art in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as herein.

[0029] To facilitate understanding of the embodiments of the present invention, several specific embodiments will be further explained below with reference to the accompanying drawings, and each embodiment does not constitute a limitation on the embodiments of the present invention.

[0030] See also Figure 1 The present invention provides a multi-stage photocatalytic water-washing air purifier, comprising a housing 1, wherein the housing 1 has a multi-stage photocatalytic system, a filtering device and a power drainage system 3, wherein the power drainage system 3 has a fan 31 and an air outlet 32; in this embodiment, the multi-stage photocatalytic system is a three-stage photocatalytic system, wherein the first stage is a photocatalytic reaction chamber 4, the second stage is a photocatalytic water tank 5, and the third stage is a water-washing air chamber 6;

[0031] The photocatalytic reaction chamber 4 includes an air inlet 41 and a plurality of first ultraviolet light sources 42, the water-washing air chamber 6 is respectively connected to the photocatalytic reaction chamber 4, the photocatalytic water tank 5 and the power drainage system 3, and the filter device is located between the water-washing air chamber 6 and the photocatalytic reaction chamber 4;

[0032] The photocatalytic water tank 5 has water, a second ultraviolet light source 52 and a first photocatalyst 52, and the first photocatalyst 52 is in contact with the water in the photocatalytic water tank 5;

[0033] The water-washing air chamber 6 includes a third ultraviolet light source 615 and a spray device 61; the third ultraviolet light source 615 is multiple, located in the air flow path and has a gap with the spray device 61; one side of the spray device 61 is connected to the fan 31 for driving, and the other side extends into the water in the photocatalytic water tank 5. The side of the spray device 61 has a water outlet 613, and the photocatalytic filter head 614 is close to the water surface of the photocatalytic water tank 5; the fan 31 drives the spray device 61 to rotate axially to form a negative pressure environment in the spray device 61, so that the water in the photocatalytic water tank 5 is sucked into the spray device 61 and finally thrown out through the water outlet 613; the air is introduced into the housing 1 from the air inlet 41, passes through the photocatalytic reaction chamber 4 and the water-washing air chamber 6 in sequence, and is finally discharged through the air outlet 32 ​​of the power drainage system 3;

[0034] The air purifier also has a control system 9 which is connected to the multi-stage photocatalytic system, the filtering device and the power drainage system 3 in an electrical circuit.

[0035] The working principle of the air purifier provided by the present invention is as follows: air enters the housing 1 from the air inlet 41, and the first-stage photocatalytic reaction chamber 4 first sterilizes and disinfects the air, and then the air passes through the filter system, which absorbs impurities and other particles in the air. The absorbed impurities are rapidly degraded by the photocatalytic action of the first ultraviolet light source 42 and the third ultraviolet light source 615. At the same time, the self-cleaning of the filtration system is realized, and the filtered air flows into the photocatalytic reaction chamber 4, that is, the gap between the spray device 61 and the third ultraviolet light source 615; when the fan 31 drives the spray device 61 to rotate at a high speed, a negative pressure environment is generated in the spray device 61 and water is sucked from the photocatalytic water tank 5. After the water is sucked into the spray device 61, it is thrown out from the water outlet 613 to the gap between the spray device 61 and the third ultraviolet light source 615 due to the action of centrifugal force. After the air is cleaned by water and photocatalyzed by the third ultraviolet light source 615, it enters the spray device 61 from the water outlet 613 through the drainage of the fan 31, and then flows into the space of the power drainage system 3 through the fan 31, and finally is discharged from the air outlet 32; the water sprayed from the spray device 61 flows into the photocatalytic water tank 5, is purified therein by the photocatalytic action of the second ultraviolet light source 52 and the first photocatalyst 52, and continues to be sucked into the spray device 61, so as to realize the recycling of water.

[0036] Furthermore, in some preferred embodiments, the outer shell 1 is a vertical cylindrical structure, and the power drainage system 3 is located above the multi-stage photocatalytic system and the filtering device; there are multiple air inlets 41 and air outlets 32, which are located on the side of the outer shell 1; the first ultraviolet light source 42 is located on the inner side of the outer shell 1 and is arranged around the axis of the outer shell 1; the photocatalytic water tank 5 is located at the bottom of the outer shell 1, and the water-washing air chamber 6 is located in the middle of the outer shell 1 and above the photocatalytic water tank 5; the third ultraviolet light source 615 is arranged around the axis of the water-washing air chamber 6.

[0037] In this embodiment, the water-washing air chamber 6 has a baffle 616 for isolating water, which has a gap with the spray device 61 and can serve as the boundary of the water-washing air chamber 6 to prevent water from splashing onto the filter device 61, and can also be used to fix the third ultraviolet light source 615; the fan 31 covers the top of the water-washing air chamber 6 and is connected to the baffle 616. On the other hand, it is also driven and connected to the spray device 61. The air passing through the water-washing air chamber 6 flows from the top of the gap between the baffle 616 and the spray device 61 to the space of the power drainage system; in some preferred embodiments, the power drainage system has an enclosure at the bottom, and a vent 33 is provided on the enclosure to prevent water from entering the power drainage system while ensuring smooth airflow.

[0038] Furthermore, the first ultraviolet light source 42 and the third ultraviolet light source 615 are six in number and are arranged at equal intervals;

[0039] In this embodiment, the first ultraviolet light source 42 and the third ultraviolet light source 615 are ultraviolet lamps, and the wavelength thereof is 254 nm.

[0040] In other preferred embodiments, the second ultraviolet light source 52 is located at the bottom of the photocatalytic water tank 5, and includes three circular ultraviolet lamps arranged concentrically with equal or unequal spacing, and fixedly installed by quartz glass;

[0041] In this embodiment, the main body of the photocatalytic water tank 5 is a quartz water tank.

[0042] In other preferred embodiments, Figure 2 As shown, the spray device 61 is a funnel-shaped structure as a whole, including a water suction pipe 611 and a spray barrel 612 fixedly connected to each other, the bottom end of the water suction pipe 611 extends into the water in the photocatalytic water tank 5, the top end of the spray barrel 612 is connected to the fan 31, and the water outlet 613 is located on the side of the spray barrel 612; the water suction pipe 611 also has a photocatalytic filter head 614, which can cooperate with the second ultraviolet light source 52 in the photocatalytic water tank 5, and the water sucked by the spray device 61 is further purified by the photocatalytic filter head 614; the photocatalytic filter head 614 is a metal nano-titanium dioxide filter head, which can promote the photo-Fenton reaction under the irradiation of ultraviolet light to efficiently produce hydroxyl free radicals, and efficiently sterilize and disinfect;

[0043] Furthermore, the photocatalytic filter head 614 is 2 cm away from the second ultraviolet light source 521;

[0044] In this embodiment, the first photocatalyst 52 is a nano-iron type catalyst.

[0045] In some preferred embodiments provided by the present invention, the filtering device has a bracket 21 connected to the outer shell 1, preferably a stainless steel bracket 21, and an intermediate carbon adsorption material 22 and a second photocatalyst 23 connected to the bracket 21; in some specific embodiments, the second photocatalyst 23 is a loaded titanium dioxide or iron-type photocatalyst, and is also used to fix the intermediate carbon adsorption material 22, and the intermediate carbon adsorption material 22 is preferably a specially prepared composite activated carbon adsorption material.

[0046] In some preferred embodiments provided by the present invention, the control system 9 is used to control the working quantity of the first ultraviolet light source 42, the third ultraviolet light source 615, and the wind speed of the fan 31; it is also connected to an external terminal device for communication, such as connecting to a mobile phone terminal via WIFI to achieve remote control.

[0047] Furthermore, the control system 9 also includes a temperature and humidity sensor, an environmental pollutant sensor and a position sensor; the environmental pollutant sensor is used to detect the PM value, harmful gas concentration, etc. in the surrounding environment;

[0048] The air purifier also has a push-lift frame 7 and a power wheel 8, which is located at the bottom of the air purifier and is in communication with a control system 9; the control system 9 controls the power wheel 8 based on the data sent by the environmental pollutant sensor and the position information of the position sensor to make the air purifier autonomously move to an area with poor air quality for air purification.

[0049] In summary, the present invention provides a multi-stage photocatalytic water-washing air purifier, including a shell, a multi-stage photocatalytic system, a filtering device and a power drainage system in the shell; the multi-stage photocatalytic system is a three-stage photocatalytic system, the first stage is a photocatalytic reaction chamber, the second stage is a photocatalytic water tank, and the third stage is a water-washing air chamber; the photocatalytic reaction chamber performs photocatalytic disinfection on the air, the water-washing air chamber performs spraying water washing and photocatalytic double purification on the air, and the photocatalytic water tank recycles the spraying water and performs photocatalytic purification to realize the recycling of water. The multi-stage photocatalytic water-washing air purifier provided by the present invention can realize fully automatic multiple ultraviolet sterilization and air purification, ensure the safety and environmental protection of air and water, and can also ensure a constant humidity in the indoor environment; it also has the functions of remote control and autonomous purification.

[0050] Those skilled in the art can understand that the accompanying drawings are only schematic diagrams of an embodiment, and the modules or processes in the accompanying drawings are not necessarily required to implement the present invention.

[0051] It can be known from the description of the above implementation methods that those skilled in the art can clearly understand that the present invention can be implemented by means of software plus a necessary general hardware platform. Based on such an understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which can be stored in a storage medium such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in the various embodiments of the present invention or certain parts of the embodiments.

[0052] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device or system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment. The device and system embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0053] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A multi-stage photocatalytic water-washing air purifier, comprising a housing, characterized in that: The housing has a multi-stage photocatalytic system, a filtering device and a power drainage system; the multi-stage photocatalytic system includes a photocatalytic reaction chamber, a photocatalytic water tank and a water-washing air chamber; the power drainage system has a fan and an air outlet; The photocatalytic reaction chamber comprises an air inlet and a plurality of first ultraviolet light sources, the water-washed air chamber is respectively connected to the photocatalytic reaction chamber, the photocatalytic water tank and the power drainage system, and the filter device is located between the water-washed air chamber and the photocatalytic reaction chamber; The photocatalytic water tank comprises water, a second ultraviolet light source and a first photocatalyst, wherein the first photocatalyst is in contact with the water in the photocatalytic water tank; The water-washing air chamber includes a third ultraviolet light source and a spray device; the third ultraviolet light source is multiple, located in the air flow path and has a gap with the spray device; one side of the spray device is connected to the fan drive, and the other side extends into the water in the photocatalytic water tank, and the side of the spray device has a water outlet; the spray device is a funnel-shaped structure as a whole, including a water suction pipe and a spray cylinder fixedly connected to each other, the bottom end of the water suction pipe extends into the water in the photocatalytic water tank, the top end of the spray cylinder is connected to the fan, and the water outlet is located in the spray The side of the cylinder; the water suction pipe is also provided with a photocatalytic filter head, which is a metal nano-titanium dioxide filter head; the photocatalytic filter head is close to the water surface of the photocatalytic water tank; the fan drives the spray device to rotate axially to form a negative pressure environment in the spray device, so that the water in the photocatalytic water tank is sucked into the spray device and finally thrown out through the water outlet; the air is introduced into the shell from the air inlet, passes through the photocatalytic reaction chamber and the water-washing air chamber in turn, and is finally discharged through the air outlet of the power drainage system; The air purifier also has a control system, which is connected to the multi-stage photocatalytic system, the filtering device and the power drainage system circuit; The housing is a vertical cylindrical structure, and the power drainage system is located above the multi-stage photocatalytic system and the filtering device; there are multiple air inlets and outlets, which are located on the side of the housing; The first ultraviolet light source is located on the inner side of the housing and is arranged around the axis of the housing; the photocatalytic water tank is located at the bottom of the housing, the water-washing air chamber is located in the middle of the housing and above the photocatalytic water tank; the third ultraviolet light source is arranged around the axis of the water-washing air chamber; The second ultraviolet light source is located at the bottom of the photocatalytic water tank and includes three concentrically arranged circular ultraviolet lamps; The filtering device comprises a bracket connected to the housing, and an intermediate carbon adsorption material and a second photocatalyst connected to the bracket; The control system also includes a temperature and humidity sensor, an environmental pollutant sensor and a position sensor; The air purifier also has a push-lift frame and a power wheel, which is located at the bottom of the air purifier and is connected to the control system circuit.

2. The air purifier according to claim 1, characterized in that: There are six first ultraviolet light sources and six third ultraviolet light sources respectively, and they are arranged at equal intervals.

3. The air purifier according to claim 1, characterized in that: The photocatalytic filter head is 1-2 cm away from the second ultraviolet light source.

4. The air purifier according to any one of claims 1 to 3, characterized in that: The control system is used to control the working quantity of the first ultraviolet light source and the third ultraviolet light source, and the wind speed of the fan, and is also connected to the external terminal device for communication.

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