An air purification apparatus

Abstract

The application discloses an air purification device, which comprises a shell, a wind channel in the shell, a first filter structure, a fan, a plasma dust collector, a negative ion generator and an atomizer. The wind channel comprises a main wind channel, a first auxiliary wind channel and a second auxiliary wind channel. The first filter structure is arranged in the main wind channel. The fan is arranged on the main wind channel and / or the first auxiliary wind channel and / or the second auxiliary wind channel. The plasma dust collector is arranged on the main wind channel or the second auxiliary wind channel. The negative ion generator is arranged on the second auxiliary wind channel. The atomizer is arranged on the shell, and the first auxiliary wind channel extends from the lower part of the atomizer. The air purification device has multiple purification modes, and the appropriate purification mode can be selected according to the requirement, so that the air purification effect is good and the requirement of consumers is met.

Description

Technical Field

[0001] This invention relates to the field of air purification technology, and more particularly to an air purification device. Background Technology

[0002] More and more repetitive tasks can be handled by robots, such as cleaning, delivery, inspection, and transportation. These robots are widely used in large public spaces with high pedestrian traffic, such as airports, train stations, office buildings, shopping malls, schools, hospitals, and hotels. In recent years, there has also been a more urgent need for disinfection in public spaces. Therefore, disinfection has become an indispensable task in public spaces.

[0003] Chinese Patent No. CN202191242U discloses a negative ion cleaning robot. This negative ion cleaning robot has the functions of self-propelled vacuuming and releasing negative ions. The negative ion cleaning robot includes: a vacuuming module, which includes a dust collection box; a negative ion generator, which generates negative ions; a fan, which is adjacent to the negative ion generator and generates an airflow to collect external dust into the dust collection box, and the airflow can also guide the negative ions out of the negative ion cleaning robot; a main body, which is connected to the vacuuming module and includes a moving device to drive the negative ion cleaning robot to move; and a control module, which is electrically connected to the negative ion generator, the fan, and the moving device to control the negative ion generator, the fan, and the moving device respectively.

[0004] Negative ion generators can remove and reduce dust, but they cannot eliminate viruses, mold, etc., and their air purification capabilities are limited. Summary of the Invention

[0005] Therefore, there is a need to provide an air purification device that can solve the problem that existing negative ion cleaning robots can remove and reduce dust, but cannot eliminate viruses, mold, etc., and have limited air purification capabilities.

[0006] To achieve the above objectives, this application provides an air purification device, comprising:

[0007] The housing has an air duct inside, which includes a main air duct, a first secondary air duct, and a second secondary air duct. The air outlet of the main air duct is connected to the air inlet of the first secondary air duct and the air inlet of the second secondary air duct, respectively. The first secondary air duct and the second secondary air duct are spaced apart, and the first secondary air duct has a bend.

[0008] A first filter structure is disposed within the main air duct.

[0009] A fan is provided on the main air duct and / or the first auxiliary air duct and / or the second auxiliary air duct;

[0010] A plasma dust collector, wherein the plasma dust collector is installed on the main air duct or the second auxiliary air duct;

[0011] A negative ion generator, wherein the negative ion generator is disposed on the second auxiliary air duct; and

[0012] An atomizer is disposed on the housing, and a first secondary air duct extends from the lower part of the atomizer and extends in the direction of mist output from the atomizer.

[0013] Furthermore, the main air duct has a trapezoidal portion, the air outlet of the main air duct is on the trapezoidal portion, and the width of the trapezoidal portion gradually increases along the air outlet direction.

[0014] Furthermore, the housing, the first secondary air duct, and the second secondary air duct are all designed in segments.

[0015] Furthermore, the housing includes a first housing, a second housing, a third housing, and a fourth housing, wherein the first housing is detachably disposed on the second housing, the second housing is detachably disposed on the third housing, and the third housing is detachably disposed on the fourth housing;

[0016] The first auxiliary air duct includes a first connecting air duct, a second connecting air duct, a third connecting air duct, and a fourth connecting air duct. The atomizer has the first connecting air duct, the first housing has the second connecting air duct, the second housing has the third connecting air duct, and the third housing has the fourth connecting air duct.

[0017] The second auxiliary air duct includes a fifth connecting air duct, a sixth connecting air duct, and a seventh connecting air duct. The first housing has the fifth connecting air duct, the second housing has the sixth connecting air duct, and the third housing has the seventh connecting air duct.

[0018] Furthermore, the atomizer has an air inlet at the bottom and an atomizing nozzle at the top, with the mist exiting from downward to upward. The first connecting air duct extends from the air inlet at the bottom of the atomizer and extends upward. The side wall of the first connecting air duct near the atomizing nozzle has an air outlet.

[0019] Furthermore, there are two fans, namely a first fan and a second fan, the first fan is installed in the fourth connecting air duct, and the second fan is installed in the seventh connecting air duct.

[0020] Furthermore, the negative ion generator is installed on the sixth connecting air duct.

[0021] Furthermore, it also includes a second filter structure, the pore size of which is smaller than that of the first filter structure. The second filter structure is disposed in the main air duct and is located at the rear end of the first filter structure.

[0022] Furthermore, it also includes an ultraviolet lamp, which is mounted on the housing and located on one side of the air duct.

[0023] Furthermore, it also includes a controller, which is connected to the fan, the plasma dust collector, the negative ion generator, and the atomizer.

[0024] Unlike existing technologies, the above-mentioned air purification device features a first filter structure that filters airborne particles, providing initial air purification. A negative ion generator produces negative ions, which neutralize positively charged smoke and dust particles floating in the air, causing them to settle naturally, thus reducing and removing dust. A plasma collector generates plasma, filtering out most microparticles, dead skin cells, dust, pollen, etc., smaller than 0.3-0.5μm, and killing bacteria, viruses, and mold in the air. A mist atomizer sprays atomized particles into the external space, effectively disinfecting localized object surfaces. An air duct... It features a dual-channel system—a first secondary air duct and a second secondary air duct—each operating independently. This splits the airflow exiting the main duct into two streams, effectively isolating them. The first stream enters the first secondary air duct, and the second stream enters the second secondary air duct. The second secondary air duct connects to a negative ion generator / plasma dust collector. The first secondary air duct has a bend where an atomizer is connected, reducing the difficulty of droplet backflow and preventing a decrease in the purification effect of the negative ion generator / plasma dust collector. The air purifier offers multiple purification modes, allowing users to select the appropriate mode according to their needs, providing excellent air purification and meeting consumer demands. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the air purification device in this embodiment;

[0026] Figure 2 This is a schematic cross-sectional view of the air purification device in this embodiment;

[0027] Figure 3 This is a schematic diagram of the negative ion generator in this embodiment;

[0028] Figure 4 This is a schematic diagram of the segmented design of the shell, the first auxiliary air duct, and the second auxiliary air duct in this embodiment;

[0029] Figure 5This is a schematic cross-sectional view of the atomizer in this embodiment;

[0030] Figure 6 This is a bottom view of the atomizer in this embodiment;

[0031] Figure 7 This is one of the structural schematic diagrams of the atomizer and water tank in this embodiment;

[0032] Figure 8 This is the second schematic diagram of the atomizer and water tank in this embodiment;

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Shell;

[0035] 11. Air inlet;

[0036] 12. Air vent;

[0037] 13. Main air duct; 131. Trapezoidal section;

[0038] 14. First auxiliary air duct;

[0039] 141. First connecting air duct; 142. Second connecting air duct;

[0040] 143. Third connecting air duct; 144. Fourth connecting air duct;

[0041] 15. Second auxiliary air duct;

[0042] 151. Fifth connecting air duct; 152. Sixth connecting air duct;

[0043] 153. Seventh connecting air duct;

[0044] 16. First shell; 17. Second shell;

[0045] 18. Third shell; 19. Fourth shell;

[0046] 2. First filtration structure;

[0047] 3. Plasma dust collector;

[0048] 4. Negative ion generator;

[0049] 5. Fan; 51. First fan; 52. Second fan;

[0050] 6. Second filter structure;

[0051] 7. Atomizer;

[0052] 71. Atomizing chamber; 72. Ultrasonic vibrating plate; 73. Atomizing nozzle; 74. First liquid level sensor;

[0053] 8. Water pump;

[0054] 9. Water pump pipe;

[0055] 10. Water tank; 101. Second liquid level sensor. Detailed Implementation

[0056] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0057] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0058] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0059] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0060] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0061] Unless otherwise specified, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0062] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0063] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0064] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this application pertains, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0065] Please see Figures 1 to 8 This embodiment of an air purification device includes:

[0066] The housing 1 has an air duct inside, which includes a main air duct 13, a first secondary air duct 14 and a second secondary air duct 15. The air outlet of the main air duct 13 is connected to the air inlet of the first secondary air duct 14 and the air inlet of the second secondary air duct 15 respectively. The first secondary air duct 14 and the second secondary air duct 15 are arranged at intervals. The first secondary air duct 14 has a bent part.

[0067] The first filter structure 2 is installed inside the main air duct 13;

[0068] Fans are installed on the main air duct 13 and / or the first auxiliary air duct 14 and / or the second auxiliary air duct 15;

[0069] Plasma dust collector 3 is installed on the main air duct 13 or the second auxiliary air duct 15.

[0070] Negative ion generator 4 is installed on the main air duct 13 or the second auxiliary air duct 15; and

[0071] Atomizer 7 is mounted on housing 1. First secondary air duct 14 extends from the lower part of atomizer 7 and extends in the direction of atomizer 7 mist output.

[0072] Please see Figure 1 and Figure 2 It should be noted that the air inlet of the main air duct 13 is connected to the outer wall of the housing 1, and the air inlet 11 of the air duct is the air inlet of the main air duct 13, through which outside air enters. The air outlet of the first secondary air duct 14 is in the atomizer 7, which helps to improve the efficiency of mist production. The air outlet of the second secondary air duct 15 is connected to the outer wall of the housing 1, and the air outlet 12 of the air duct is the air outlet of the first secondary air duct 14 and the second secondary air duct 15, allowing purified air to be discharged. The first secondary air duct 14 and the second secondary air duct 15 are independent of each other, so that the airflow after exiting the main air duct 13 is divided into two streams. The first stream enters the first secondary air duct 14, and the second stream enters the second secondary air duct 15. The first secondary air duct 14 has a bend, which can reduce the difficulty of droplet backflow and better isolate the two airflows.

[0073] Please see Figure 1 and Figure 2 It should be noted that the first filter structure 2 can filter particles in the air and play a preliminary role in purifying the air.

[0074] Please see Figure 1 and Figure 2 It should be noted that when the fan is turned on, a pressure difference is formed on both sides of the fan. The outside air enters through the air inlet of the main air duct 13, flows along the main air duct 13 into the first auxiliary air duct 14 / second auxiliary air duct 15, and is finally sent out through the air outlets of the first auxiliary air duct 14 and second auxiliary air duct 15.

[0075] Please see Figure 1 and Figure 2 It should be noted that the plasma dust collector 3 is equipped with a high-voltage power supply, which utilizes an extremely non-uniform electric field to form a corona discharge and generate plasma. The large number of electrons and positive and negative ions contained therein undergo inelastic collisions with particulate pollutants in the air under the action of the electric field gradient, thus attaching to them and making them charged ions. Under the action of the applied electric field force, they are collected by the dust collecting electrode.

[0076] Specifically, the plasma dust collector model 3 can be selected as ZD-260-155, with a maximum air volume of 355m³ / h. 3 With a flow rate of / h (cubic meters per hour), it generates a plasma density of 2.3*10¹⁸, killing various pathogens and viruses. The filtration efficiency of the plasma dust collector 3 depends on factors such as electric field strength, dust particle size, and airflow velocity. It can filter out most microparticles, dead skin cells, dust, pollen, etc., smaller than 0.3-0.5μm in the air, kill bacteria, viruses, and mold in the air, and prevent diseases caused by air pollution sources such as smog and epidemic viruses. It effectively removes oil mist, smoke, smog, dust, etc., and automatically releases ionized oxygen. Its unique material has characteristics that are unmatched by similar products, such as low air resistance, small resistance change after dust accumulation, and wide dust collection range.

[0077] Please see Figure 3 It should be noted that the negative ion generator 4 is a device that generates negative air ions. This device connects a DC negative high voltage to a release tip made of metal or carbon. The DC high voltage at the tip generates a high corona discharge, which releases a large number of electrons at high speed. Since electrons cannot exist in the air for long, they are immediately captured by oxygen molecules in the air, thereby generating negative air ions. The negatively charged negative ions neutralize the positively charged smoke and dust floating in the air through the electrodes, causing them to settle naturally, thus playing a role in dust reduction and removal.

[0078] Specifically, for negative ion generator 4, model JP-A2262 can be selected, suitable for 25m... 2 (square meter), input voltage AC220V, output voltage DC15KV±1KV, release capacity: 58 million negative ions.

[0079] Please see Figure 2It should be noted that atomizer 7 can atomize liquids—breaking down the structure of liquid water molecules to produce atomized particles. During atomization, a large number of negative ions are released, which react electrostatically with airborne smoke and dust, causing them to settle. Simultaneously, it effectively removes harmful substances such as formaldehyde, carbon monoxide, and bacteria, purifying the air and reducing the occurrence of diseases. The liquid can be water or a disinfectant, such as hydrogen peroxide, sodium hypochlorite, or hypochlorous acid. The disinfectant forms atomized particles that are sprayed into the external space. These fine atomized particles are very effective at disinfecting localized surfaces, and the large mist output allows it to effectively reach areas that are normally difficult to clean, such as air conditioning systems, car roofs, and under carpets. Atomizer 7 can be an ultrasonic atomizer, an air compressor atomizer, or a mesh atomizer.

[0080] Unlike existing technologies, the above technical solution provides an air purification device. The first filter structure filters airborne particles, providing initial air purification. A negative ion generator produces negative ions, which neutralize positively charged smoke and dust particles floating in the air, causing them to settle naturally, thus reducing and removing dust. A plasma collector generates plasma, filtering out most microparticles, dead skin cells, dust, pollen, etc., smaller than 0.3-0.5μm, and killing bacteria, viruses, and mold in the air. An atomizer forms atomized particles that are sprayed into the external space, which is very effective for disinfecting localized object surfaces. The wind... The air purifier features a dual-channel system—a first secondary air duct and a second secondary air duct—which operate independently. This splits the airflow exiting the main duct into two streams, effectively isolating them. The first stream enters the first secondary air duct, and the second stream enters the second secondary air duct. The second secondary air duct connects to a negative ion generator / plasma dust collector. The first secondary air duct has a bend where an atomizer is connected, reducing the difficulty of droplet backflow and preventing a decrease in the purification effect of the negative ion generator / plasma dust collector. The air purifier offers multiple purification modes, allowing users to select the appropriate mode according to their needs. It provides excellent air purification and meets consumer requirements.

[0081] Please see Figure 2 In this embodiment, the main air duct 13 has a trapezoidal portion 131, and the air outlet of the main air duct 13 is on the trapezoidal portion 131. The width of the trapezoidal portion 131 gradually increases along the air outlet direction, which is beneficial for pouring air into the first secondary air duct 14 and the second secondary air duct 15.

[0082] Please see Figure 1 , Figure 2 and Figure 4In this embodiment, the housing 1, the first secondary air duct 14, and the second secondary air duct 15 are all segmented designs. The segmented design of the housing 1 allows for easy disassembly to inspect and replace the internal first filter structure 2, fan, plasma dust collector 3, and negative ion generator 4. Because the housing 1 is segmented, the first secondary air duct 14 and the second secondary air duct 15 are also segmented. After multiple segments of the housing 1 are installed together, the air ducts on each segment of the housing 1 form the first secondary air duct 14 and the second secondary air duct 15.

[0083] Please see Figure 4 In this embodiment, the housing 1 includes a first housing 16, a second housing 17, a third housing 18 and a fourth housing 19. The first housing 16 is detachably disposed on the second housing 17, the second housing 17 is detachably disposed on the third housing 18, and the third housing 18 is detachably disposed on the fourth housing 19.

[0084] The first auxiliary air duct 14 includes a first connecting air duct 141, a second connecting air duct 142, a third connecting air duct 143 and a fourth connecting air duct 144. The atomizer 7 has the first connecting air duct 141, the first housing 161 has the second connecting air duct 142, the second housing 171 has the third connecting air duct 143, and the third housing 181 has the fourth connecting air duct 144.

[0085] When the atomizer 7 is installed on the first housing 16, the first connecting air duct 141 and the second connecting air duct 142 are aligned and connected. When the first housing 16 is installed on the second housing 17, the second connecting air duct 142 and the third connecting air duct 143 are aligned and connected. When the second housing 17 is installed on the third housing 181, the third connecting air duct 143 and the fourth connecting air duct 144 are aligned and connected.

[0086] The second auxiliary air duct 15 includes a fifth connecting air duct 151, a sixth connecting air duct 152 and a seventh connecting air duct 153. The first housing 16 has a fifth connecting air duct 151, the second housing 17 has a sixth connecting air duct 152 and the third housing 181 has a seventh connecting air duct 153.

[0087] When the first housing 16 is installed on the second housing 17, the fifth connecting air duct 151 and the sixth connecting air duct 152 are aligned and connected; when the second housing 17 is installed on the third housing 18, the sixth connecting air duct 152 and the seventh connecting air duct 153 are aligned and connected.

[0088] Preferably, the first housing 16, the second housing 17, and the third housing 18 are arranged sequentially from top to bottom, and the atomizer 7 is also installed on the first housing 16 from top to bottom. The atomizing nozzle 73 of the atomizer 7 is located at the upper part of the atomizer 7, as shown in the following structure. Figure 2 As shown.

[0089] During operation, some droplets may flow back into the atomizer 7. If these backflowing droplets travel along the air duct to the filter or main air duct 13, they can cause the filter (activated carbon) to produce an odor and form clumps with pollutants, clogging the filter (HEPA filter). The liquid in the atomizer 7 can be water or a disinfectant such as hydrogen peroxide, sodium hypochlorite, or hypochlorous acid. If the backflowing disinfectant flows back into the main air duct 13, it will reduce the purification effect of the plasma dust collector 3.

[0090] Please see Figure 2 In this embodiment, the atomizer 7 has an air inlet at the bottom and an atomizing nozzle 73 at the top, with the mist exiting from downward to upward. The first connecting air duct 141 extends from the air inlet at the bottom of the atomizer 7 and extends upward (to the atomizing nozzle 73). The side wall of the first connecting air duct 141 near the atomizing nozzle 73 has an air outlet. When droplets are formed in the atomizer 7, some droplets that do not exit mist are less likely to enter the first connecting air duct 141 through the air outlet, increasing the difficulty of droplet backflow and preventing backflowing droplets from affecting the working effect of the filter and the plasma dust collector 3.

[0091] Please see Figure 4 In this embodiment, the third connecting duct 143 has an arc-shaped bend, which can largely prevent the backflow of atomized droplets. The bend in the first auxiliary duct 14 can also be formed by the first connecting duct 141, the second connecting duct 142, the third connecting duct 143, and the fourth connecting duct 144 being located at different positions. These ducts form a bend structure, increasing the difficulty of droplet backflow.

[0092] Please see Figure 4 In this embodiment, there are two fans: a first fan 51 and a second fan 52. The first fan 51 is located in the fourth connecting duct 144, and the air delivered by the first fan 51 enters the atomizer 7, causing the atomized liquid to flow towards the atomizing nozzle 73, thereby improving the misting efficiency. The second fan 52 is located in the seventh connecting duct 153, and can blow the purified air into the second auxiliary duct 15. Preferably, both fans are waterproof fans to prevent damage caused by moisture corrosion.

[0093] In some embodiments, only one fan is required. This fan is preferably installed on the main air duct 13, and the delivered air can enter the first secondary air duct 14 and the second secondary air duct 15.

[0094] Please see Figure 2 and Figure 3In this embodiment, the closer the negative ion concentration is to the negative ion generator 4, the higher the concentration. The negative ion generator 4 is set on the sixth connecting air duct 152. The sixth connecting air duct 152 is close to the air outlet of the second auxiliary air duct 15 (i.e. the air outlet of the fifth connecting air duct 151), which can provide the maximum amount of negative ion concentration.

[0095] Please see Figure 1 and Figure 2 In this embodiment, the air purification device further includes a second filter structure 6. The pore size of the second filter structure 6 is smaller than that of the first filter structure 2, and the filtration effect of the second filter structure 6 is greater than that of the first filter structure 2, enabling it to filter particles with even smaller diameters. The second filter structure 6 is disposed within the main air duct 13, located at the rear end of the first filter structure 2. Preferably, the first filter structure 2, the plasma dust collector 3, the second filter structure 6, and the negative ion generator 4 are sequentially arranged in the air duct along the air outlet direction.

[0096] Preferably, the first filter structure 2 is a pre-filter (such as G4 filter paper) with a filtration efficiency of 90%, which can filter particles with a diameter of 5.0 μm or larger, and the second filter structure 6 is a high-efficiency filter (such as H12 filter paper, antibacterial layer, activated carbon) with a filtration efficiency of 99%, which can filter particles with a diameter of 0.1-0.3 μm.

[0097] Please see Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8 In this embodiment, the atomizer 7 includes an atomizing chamber 71, an ultrasonic oscillating plate 72, and an atomizing nozzle 73. The atomizing chamber 71 stores liquid, which can be water or a disinfectant, such as hydrogen peroxide, sodium hypochlorite, or hypochlorous acid. The disinfectant forms atomized particles and is sprayed into the external space. The fine atomized particles are very effective at disinfecting local object surfaces, and the large mist output can effectively penetrate into areas that are usually difficult to clean, such as air conditioning systems, car roofs, and under carpets. An ultrasonic oscillating plate 72 is installed on the atomizing chamber 71. Utilizing the principle of ultrasonic vibration, electrical energy is converted into mechanical energy to generate high-frequency vibrations. These vibrations oscillate the liquid at a high frequency (1.7MHz or 2.4MHz, exceeding the range of human hearing; this electronic oscillation is completely harmless to humans and animals), breaking down the liquid water molecules to produce atomized particles. Furthermore, a large number of negative ions are released during the atomization process. These ions react electrostatically with smoke and dust floating in the air, causing them to settle. Simultaneously, it effectively removes harmful substances such as formaldehyde, carbon monoxide, and bacteria, purifying the air and reducing the occurrence of diseases. An atomizing nozzle 73 is installed at the mist outlet of the atomizing chamber 71, ensuring a more uniform and fine mist output.

[0098] Please see Figure 2 Preferably, the atomizing nozzle 73 is located at the upper part, the atomizing chamber 71 is located at the lower part, and the ultrasonic oscillating plate 72 is located at the bottom of the atomizing chamber 71. There are four ultrasonic oscillating plates 72, which are evenly distributed at the bottom of the atomizing chamber 71.

[0099] In this embodiment, the air purification device also includes ultraviolet (UV) lamps, which are mounted on the housing 1 and located on one side of the air duct. There are multiple UV lamps, arranged in eight groups, with 2-10 lamps in each group. The irradiation amplitude of a single UV lamp can be greater than 65 μW / °C (measured at 1 m).

[0100] In this embodiment, the air purification device also includes a rotating base, and the ultraviolet lamp is mounted on the housing 1 via the rotating base, which can drive the ultraviolet lamp to rotate.

[0101] In this embodiment, the air purification device also includes a human body sensor, which is mounted on the housing 1 and located on one side of the air duct. The human body sensor can be a human infrared sensor, and multiple sensors are provided. When the human body sensor detects a moving object within a preset range (4, 5 m), it sends this information to the controller, which then controls the ultraviolet lamps to turn off.

[0102] Please see Figure 5 , Figure 7 and Figure 8 In this embodiment, the air purification device further includes a first liquid level sensor 74, a water tank 10, a water pump 8, and a water pumping pipe 9. The first liquid level sensor 74 is used to obtain the liquid level of the atomizing chamber 71. The water pump 8 is connected to the inlet of the atomizing chamber 71 and the outlet of the water tank 10 through the water pumping pipe 9, and is used to pump the liquid in the water tank 10 into the atomizing chamber 71. Preferably, a second liquid level sensor 101 is provided in the water tank 10, and the second liquid level sensor 101 is used to obtain the liquid level of the water tank 10.

[0103] In this embodiment, when the ratio of the liquid level in the atomizing chamber 71 to its height, as detected by the first liquid level sensor 74, is less than a first preset value, it indicates that the liquid level in the atomizing chamber 71 is too low, and the controller controls the water pump 84 to pump water. When the ratio of the liquid level in the atomizing chamber 71 to its height, as detected by the first liquid level sensor 74, is greater than a second preset value, it indicates that the liquid level in the atomizing chamber 71 is too high, and the controller stops the water pump 84 from pumping water. It should be noted that if the liquid level in the atomizing chamber 71 is 'a' and the height of the atomizing chamber 71 is 'b', then the ratio of the liquid level in the atomizing chamber 71 to its height is a / b.

[0104] Preferably, the first preset value is 31.3%. When the ratio of the liquid level in the atomizing chamber 71 to its height, as detected by the first liquid level sensor 74, is less than 31.3%, the controller controls the water pump 8 to pump water. When the ratio is greater than 56%, the controller stops the water pump 8. It should be noted that, optionally, the volume of the atomizing chamber 71 is 2543.4 cm³. 3 .

[0105] In this embodiment, the first liquid level sensor 74 can be a float-type sensor, a float-type liquid level sensor, a hydrostatic liquid level sensor, etc. Taking a float-type sensor as an example, the float-type liquid level transmitter includes a magnetic float, a measuring guide tube, a signal unit, an electronic unit, a junction box, and mounting components. The measuring guide tube extends from bottom to top into the atomizing chamber 711. Generally, the specific gravity of the magnetic float is less than 0.5, allowing it to float on the liquid surface and move up and down along the measuring guide tube. The measuring guide tube contains a measuring element, which can convert the measured liquid level signal into a resistance signal proportional to the liquid level change under the action of an external magnet. Similarly, the second liquid level sensor 101 can be a float-type sensor, a float-type liquid level sensor, a hydrostatic liquid level sensor, etc.

[0106] In this embodiment, the air purification equipment also includes a controller, which is connected to the fan, plasma dust collector 3, negative ion generator 4, atomizer 7, ultraviolet lamp, rotating base, first liquid level sensor 74, and second liquid level sensor 101, respectively, and is used to control the operation of the fan, plasma dust collector 3, negative ion generator 4, atomizer 7, ultraviolet lamp, rotating base, first liquid level sensor 74, and second liquid level sensor 101. Preferably, the controller can be a microcontroller, which is an integrated circuit chip. It is a microcomputer system that integrates a central processing unit (CPU) with data processing capabilities, random access memory (RAM), read-only memory (ROM), multiple I / O ports and interrupt system, timer / counter and other functions (and may also include display driver circuit, pulse width modulation circuit, analog multiplexer, A / D converter and other circuits) onto a silicon chip using very large scale integrated circuit technology.

[0107] Here's an explanation of how air purification equipment works:

[0108] Mode 1, filter filtration: The controller turns on the fan (e.g., the second fan 52), which works with the first / second filter to filter the air;

[0109] Mode 2, atomization disinfection: The controller turns on the fan (e.g., the first fan 51) and the atomizer 7, which, together with the first filter, filter and disinfect the air;

[0110] Mode 3, Negative Ion Purification: The controller turns on the fan (e.g., the second fan 52) and the negative ion generator 4, which, together with the first filter / second filter, filter the air;

[0111] Mode 4, Plasma disinfection: The controller turns on the fan (e.g., the second fan 52) and the plasma dust collector 3, which, together with the first filter / second filter, filter and disinfect the air;

[0112] Mode 5, Negative Ion Purification and Plasma Disinfection: The controller turns on the fan (e.g., the second fan 52), negative ion generator 4 and plasma dust collector 3, which, together with the first filter / second filter, filter and disinfect the air;

[0113] Mode 6, UV disinfection: The controller turns on the UV lamp to disinfect the air.

[0114] The specific principle of ultraviolet disinfection is as follows:

[0115] 1. The controller issues a command to activate the ultraviolet disinfection function, and simultaneously activates the human body infrared detection.

[0116] 2. Controller starts rotating base (must be able to start independently, add button);

[0117] 3. After the rotating base is in place, the controller sends a command to turn on the ultraviolet disinfection lamps, and multiple ultraviolet lamp relays are turned on simultaneously / performed a timing power-on.

[0118] 4. Automatic pedestrian detection function: If someone accidentally enters the disinfection space, the controller will automatically turn off the ultraviolet lamp and pause the timer (person detection distance is more than 3.1 meters). After the person enters, a voice reminder will be given. After the person leaves, the ultraviolet lamp will turn on again after 5 seconds and the timer will resume.

[0119] 5. If the controller detects an abnormal situation or the task is completed, it will turn off the ultraviolet lamp and then rotate the base to prevent ultraviolet light from being exposed.

[0120] The specific principle of atomized disinfection is as follows:

[0121] 1. The controller issues a command to activate the spray disinfection function;

[0122] 2. The controller issues spray volume settings (spray levels, 4 adjustable levels);

[0123] 3. The controller activates the first sensor of the atomizing chamber 71. If the first liquid level sensor 74 detects that the water level in the atomizing chamber 71 is lower than the lower limit (water shortage), the water pump 8 is triggered to pump water. After the first liquid level sensor 74 detects that the water level in the atomizing chamber 71 has reached the upper limit, the atomizing spray and the first fan are started simultaneously.

[0124] 4. During the spraying process, the first liquid level sensor 74 detects that the water level in the atomizing chamber 71 is lower than the lower limit, triggering the water pump 8 to pump water, and the ultra-dry atomizing spray and atomizing fan do not stop working;

[0125] 5. If the controller detects an abnormal situation or the task is completed, the sending mode will be turned off and the atomizing fan will power off after a 10-second delay;

[0126] 6. The water level monitoring function of the water tank is always on after the vehicle is powered on and is not affected by the system's working mode.

[0127] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of the present invention. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of the present invention, or equivalent structural or procedural transformations made using the content of the present invention's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of patent protection of the present invention.

Claims

1. An air purification device, characterized in that, include: The housing has an air duct inside, which includes a main air duct, a first secondary air duct, and a second secondary air duct. The air outlet of the main air duct is connected to the air inlet of the first secondary air duct and the air inlet of the second secondary air duct, respectively. The first secondary air duct and the second secondary air duct are spaced apart, and the first secondary air duct has a bend. A first filter structure is disposed within the main air duct. A fan is provided on the main air duct and / or the first auxiliary air duct and / or the second auxiliary air duct; A plasma dust collector, wherein the plasma dust collector is installed on the main air duct or the second auxiliary air duct; A negative ion generator is installed on the second auxiliary air duct; as well as Atomizer, the atomizer is disposed on the housing, the first auxiliary air duct extends from the lower part of the atomizer and extends in the direction of the atomizer's mist output; The housing, the first secondary air duct, and the second secondary air duct are all segmented designs; The housing includes a first housing, a second housing, a third housing, and a fourth housing. The first housing is detachably mounted on the second housing, the second housing is detachably mounted on the third housing, and the third housing is detachably mounted on the fourth housing. The first auxiliary air duct includes a first connecting air duct, a second connecting air duct, a third connecting air duct, and a fourth connecting air duct. The atomizer has the first connecting air duct, the first housing has the second connecting air duct, the second housing has the third connecting air duct, and the third housing has the fourth connecting air duct. The second auxiliary air duct includes a fifth connecting air duct, a sixth connecting air duct, and a seventh connecting air duct. The first housing has the fifth connecting air duct, the second housing has the sixth connecting air duct, and the third housing has the seventh connecting air duct. The atomizer has an air inlet at the bottom and an atomizing nozzle at the top. The mist is emitted from downward to upward. The first connecting air duct extends from the air inlet at the bottom of the atomizer and extends upward. The side wall of the first connecting air duct near the atomizing nozzle has an air outlet.

2. The air purification device according to claim 1, characterized in that, The main air duct has a trapezoidal section, and the air outlet of the main air duct is on the trapezoidal section. The width of the trapezoidal section gradually increases along the air outlet direction.

3. The air purification device according to claim 1, characterized in that, There are two fans, namely a first fan and a second fan. The first fan is installed in the fourth connecting duct, and the second fan is installed in the seventh connecting duct.

4. The air purification device according to claim 1, characterized in that, The negative ion generator is installed on the sixth connecting air duct.

5. The air purification device according to claim 1, characterized in that, It also includes a second filter structure, the pore size of which is smaller than that of the first filter structure. The second filter structure is disposed in the main air duct and is located at the rear end of the first filter structure.

6. The air purification device according to claim 1, characterized in that, It also includes an ultraviolet lamp, which is mounted on the housing and located on one side of the air duct.

7. The air purification device according to claim 1, characterized in that, It also includes a controller, which is connected to the fan, the plasma dust collector, the negative ion generator, and the atomizer.

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