An air purifier that emits the scent of agarwood to purify the air.

Abstract

This invention discloses an air purifier that emits the aroma of agarwood to purify the air, relating to the field of air purification technology. The device comprises an air purification structure consisting of a convenient filtration mechanism and a final filter element, reducing the maintenance frequency of each filter element and improving ease of use. The upper air duct and final filter element further refine the air initially filtered in the composite filtration unit, releasing clean air. The aroma of agarwood essential oil is then released through an agarwood essential oil releaser. Combined with the external swirling airflow of the fan, the aroma is evenly mixed with the clean air, allowing the active ingredients of the agarwood essential oil to diffuse evenly into the purified air, creating a high-quality air environment. Furthermore, the antibacterial properties of natural agarwood are coupled with the air purification process, solving the problem of lack of synergistic air purification between air purification components and aromatherapy components. Agarwood essential oil molecules simultaneously mask odors and inhibit bacterial growth in the filter element, achieving multi-dimensional optimization of purification efficiency, sensory experience, and ease of use.

Description

Technical Field

[0001] This invention relates to the field of air purification technology, and in particular to an air purifier that emits the aroma of agarwood to purify the air. Background Technology

[0002] With increasing environmental pollution and heightened health awareness, air purifiers have become essential devices in modern life. Current technologies generally employ physical filtration methods such as HEPA (High-Efficiency Particulate Filters), electrostatic adsorption, or photocatalytic oxidation to remove pollutants such as particulate matter and formaldehyde. However, existing solutions still have the following significant drawbacks:

[0003] First, traditional purification technologies have limited effectiveness in treating odors and volatile organic compounds. While activated carbon filters can absorb some odors, they are easily saturated and cannot decompose harmful gases, requiring frequent filter replacements. Photocatalytic technology can degrade pollutants, but it may produce secondary pollution such as ozone.

[0004] More notably, prolonged use in enclosed spaces can easily create a stuffy feeling. Furthermore, since air purifiers cannot absorb all the odors in the filtered air, existing air purification devices only focus on the "purification" function and lack the ability to improve the sensory quality of the air. Users need to purchase additional aromatherapy diffusers to mask residual odors, resulting in redundant equipment and increased energy consumption.

[0005] Secondly, the integration of existing air purifiers and fragrance modules suffers from technological disconnect. Some products attempt to add chemical fragrance evaporation devices, but synthetic fragrances may cause respiratory irritation, and the concentration of fragrance release is uncontrollable, easily leading to olfactory fatigue. Furthermore, chemical fragrances can only temporarily mask odors and cannot work synergistically with the purification process to eliminate the root cause of the odor. Existing technologies have proposed improving air quality through atomized fragrances, but the fragrance components do not synergize with the purification system and may even increase the burden on the filter.

[0006] Furthermore, traditional air purification equipment suffers from significant limitations in functionality; commercially available products mostly focus on basic functions such as filtration and sterilization, neglecting users' diverse needs for a healthy environment. Research shows that linalool and furan compounds contained in the volatile components of natural agarwood not only possess antibacterial properties but can also regulate the nervous system and alleviate anxiety through their aromatic scents; however, current technologies have not effectively utilized the composite value of these natural materials, resulting in a gap in air purification equipment's added health benefits.

[0007] Finally, there is a significant conflict between the maintenance costs and user experience of air purifiers. Multi-layered filter structures lead to high replacement costs, while products with integrated aromatherapy modules often require separate maintenance of the fragrance carrier, increasing the complexity of use. For example, in existing technologies, some air purifiers have mismatched lifespans between the aromatherapy box and the filter, requiring users to frequently disassemble and clean them, significantly reducing the practicality of air purifiers with fragrance functions.

[0008] In summary, the existing technology has at least the following technical problems:

[0009] Existing air purification devices suffer from a lack of synergistic air purification between the air purification and aromatherapy components, and the technological disconnect between the two components leads to frequent maintenance and inconvenience in using the air purifier. Summary of the Invention

[0010] The purpose of this invention is to provide an air purifier that emits the aroma of agarwood to purify the air, in order to solve the technical problems of existing air purification devices, where the air purification component and the aromatherapy component lack synergistic air purification function, and the technical separation of the two components leads to frequent maintenance and inconvenience in the use of the air purifier.

[0011] The preferred technical solutions among the many technical solutions provided by this invention can produce a variety of technical effects, which are described in detail below.

[0012] To address the aforementioned technical problems, the present invention provides the following technical solution:

[0013] This invention provides an air purifier that emits the aroma of agarwood to purify the air, comprising a lower outer shell, wherein a reusable and antibacterial convenient filter mechanism is installed inside the lower outer shell; the convenient filter mechanism is provided with a filter element lifting unit and a composite filter unit arranged coaxially with the outer shell, the outer ring and inner ring interfaces at the bottom of the composite filter unit being sealed and connected to the base of the filter element lifting unit; the lower outer shell is provided with an openable and closable lower maintenance door at the position corresponding to the composite filter unit; and an upper outer shell, wherein the bottom of the upper outer shell is provided with an air duct communicating with the interior, the air duct being inserted from top to bottom into the inner ring interface at the top of the composite filter unit and sealed and connected, the bottom of the upper outer shell being sealed and connected to the outer ring interface at the top of the composite filter unit; and an air duct variable cylinder disposed in the upper outer shell and sealed and connected to the air outlet of the air duct, wherein a... The system includes a square final filtration chamber with a filter insert port. An openable and closable upper maintenance door is located on the upper outer casing corresponding to the filter insert port. A final filter element is horizontally inserted into the final filtration chamber through the filter insert port to filter and adsorb pollutants and odors from the air entering through the air inlet of the duct variable capacity cylinder. A fan is installed at the air outlet of the duct variable capacity cylinder. An agarwood essential oil releaser surrounds the fan, featuring a heating function and an essential oil filling port for repeated use and release of agarwood aroma. A touchscreen and a power control unit are also included. The touchscreen is located above the upper maintenance door, and the essential oil filling port is located to one side of the touchscreen. The power control unit is located outside the duct variable capacity cylinder and receives commands from the touchscreen to control the fan and the agarwood essential oil releaser.

[0014] In one embodiment, the composite filtration unit includes a washable and reusable metal filter cartridge and a wood fiber primary filter cartridge; the outer ring of the primary filter cartridge is further provided with a sponge filter sleeve; the metal filter cartridge is used to filter air pollutants with a diameter greater than 40 μm; the primary filter cartridge is used to filter air pollutants with a diameter greater than 3 μm.

[0015] In one embodiment, the outer surface of the metal filter cylinder is provided with a silver ion coating to inhibit bacteria generated by the accumulation of dust and fabric contaminants on the outer surface of the metal filter cylinder.

[0016] In one embodiment, the final filter element is a filter element composed of a cotton filter layer provided with activated carbon and silver ions and a HEPA filter layer with a filtration grade of H12-H14; the HEPA filter layer of the final filter element faces the air inlet end of the air duct variable capacity cylinder, and the cotton filter layer faces the air outlet end of the air duct variable capacity cylinder.

[0017] In one embodiment, the filter element lifting unit includes a dust collection tray and a lifting spring; the bottom of the lower housing and the bottom of the dust collection tray are respectively provided with a first boss and a second boss for positioning the lifting spring, and the two ends of the lifting spring are respectively fitted onto the first boss and the second boss; the top of the dust collection tray is provided with a first filter screen fixing ring and a primary filter element fixing ring arranged coaxially, and the primary filter element fixing ring is disposed inside the first filter screen fixing ring; the bottom of the upper housing is provided with a second filter screen fixing ring, and the second filter screen fixing ring is fitted onto the air duct; the two ends of the metal filter screen cylinder are respectively fitted onto the first filter screen fixing ring and the second filter screen fixing ring in a detachable sealing manner; the two ends of the primary filter element cylinder are respectively fitted onto the primary filter element fixing ring and the air duct in a detachable sealing manner.

[0018] In one embodiment, a first air quality sensing unit is disposed between the lower outer shell and the metal filter cylinder, for detecting the current ambient air quality and transmitting data to the power control unit; a second air quality sensing unit is disposed between the metal filter cylinder and the primary filter cylinder, for detecting the air quality filtered by the metal filter cylinder and transmitting data to the power control unit; a third air quality sensing unit is disposed at the air inlet of the duct variable capacity cylinder, for detecting the air quality filtered by the primary filter cylinder and transmitting data to the power control unit; a fourth air quality sensing unit is disposed at the air outlet of the duct variable capacity cylinder, for detecting the air quality filtered by the final filter and transmitting data to the power control unit; and a fifth air quality sensing unit is disposed above the agarwood essential oil releaser, for detecting the air quality above the agarwood essential oil releaser and at the final air outlet, and transmitting data to the power control unit.

[0019] In one embodiment, the air inlet and outlet of the variable-capacity duct are both cylindrical, and the final filter chamber is cubic. The diameter of the air outlet of the variable-capacity duct is smaller than the diameter of the air inlet of the fan, the diameter of the air inlet of the variable-capacity duct is smaller than the diameter of the air outlet of the variable-capacity duct, and the diameter of the duct pipe is smaller than the diameter of the air inlet of the variable-capacity duct, which is used to gradually increase the air inlet velocity of the final filter element and the composite filter unit from top to bottom.

[0020] In one embodiment, the agarwood essential oil dispenser includes an oil tank for holding agarwood essential oil, a cotton column attracting rod, a heating plate, and volatile cotton for dispersing agarwood essential oil. An extended oil pipe is provided on the side of the oil tank, and the essential oil filling port is located at the end of the oil pipe and fixed to the upper outer shell. A support pipe communicating with the interior of the oil tank is installed on the top of the oil tank, and the cotton column attracting rod is inserted into the support pipe. One end of the support pipe is inserted into the oil tank, and the other end is connected to the heating plate, with a ceramic heat insulation sleeve provided between the support pipe and the heating plate. An oil passage hole corresponding to the cotton column attracting rod is provided at the bottom of the heating plate, and the volatile cotton is placed inside the heating plate, contacting the cotton column attracting rod to conduct the agarwood essential oil from the oil tank to the heating plate. A heating patch is provided at the bottom of the heating plate, and the heating patch is arranged between the two support pipes. The heating patch is electrically connected to the power control unit.

[0021] In one embodiment, a temperature sensor electrically connected to the power control unit is provided at the top of the oil tank between the oil tank and the heating plate. The probe of the temperature sensor extends into the volatile cotton through the side of the heating plate to measure the temperature information of the volatile cotton.

[0022] In one embodiment, both the lower outer casing and the lower maintenance door are provided with through air inlets; the top of the upper outer casing is equipped with a detachable air outlet cover, and the air outlet cover is provided with an air outlet mesh.

[0023] The beneficial effects of this invention are as follows:

[0024] (1) The air purification structure and the aroma released by the agarwood essential oil releaser work synergistically to improve the air purification quality: By integrating the agarwood essential oil releaser on the fan, i.e. at the end of the air duct, the clean air purified by the composite filter unit and the final filter element diffuses synchronously with the natural agarwood aroma released by the agarwood essential oil releaser, achieving the dual effects of odor adsorption and aroma regulation.

[0025] Among them, the active ingredients in the volatile substances of agarwood can decompose residual organic pollutants and form a complete purification chain with the final filter to synergistically purify the odor, thus avoiding the problem of mutual interference between the aromatherapy module and the purification components in traditional air purification equipment.

[0026] (2) Modular filtration structure enables convenient maintenance: The split shell design and openable and closable lower and upper maintenance doors enable independent cleaning and replacement of the composite filter unit and the final filter element.

[0027] Among them, the composite filter unit can be vertically extracted through the filter lifting unit after opening the lower maintenance door; this avoids the disassembly difficulties caused by the stacking of multiple filters in traditional air purification equipment, thereby improving maintenance efficiency and convenience, making filter replacement faster and dust cleaning more convenient.

[0028] (3) Intelligent fragrance control and energy efficiency optimization: The fragrance release concentration of the agarwood essential oil releaser can be adjusted through the touch screen. After receiving the instruction, the power control unit controls the built-in heating function of the agarwood essential oil releaser, adjusts the heating power and heating time, and finally controls the fragrance release speed by controlling the heating temperature, thereby controlling the fragrance release concentration. Combined with the linkage control of the fan air volume, it ensures that the fragrance diffuses evenly and there is no problem of excessive local concentration. Compared with the combination of independent aromatherapy equipment and independent traditional air purification equipment, the air purifier that emits agarwood fragrance and purifies the air has lower overall energy consumption, which reduces the energy consumption of users when using air purification and fragrance functions. In addition, the agarwood essential oil releaser uses natural fragrance substances to release natural fragrance, which can also avoid the problems of unstable volatilization and difficulty in controlling the uniform fragrance concentration caused by the use of chemical fragrances in traditional aromatherapy equipment.

[0029] (4) Natural antibacterial and health benefits: The agarwood essential oil emitter uses agarwood essential oil made from natural aromatic substances. During the heating process, it not only releases natural aroma, but also contains natural antibacterial molecules with broad-spectrum antibacterial properties. During the air purifier's air circulation purification process, the previously released natural antibacterial molecules are reabsorbed into the composite filter unit and the final filter element, which can inhibit the growth of microorganisms on the filter element surface, reduce odor production, and extend the filter element's service life. At the same time, the agarwood aromatic molecules act on the human parasympathetic nervous system through the respiratory tract, achieving the dual health value of air purification and user psychological relaxation, thus enhancing the air purifier's added value in purifying the air.

[0030] (5) The air purifier has higher air volume and air velocity: The square final filter chamber structure in the duct variable capacity cylinder allows the duct variable capacity cylinder to accommodate the main filter element. At the same time, the change in the cavity capacity of the final filter chamber at both ends and the middle of the duct variable capacity cylinder can change the air velocity when the fan moves the air forward in the duct. This reduces the air velocity attenuation rate in the duct filtration structure composed of the composite filter unit and the final filter element, thereby improving the air velocity and air volume. Combined with the double-layer sealing interface of the inner and outer rings of the composite filter unit, the airtightness of the air in the first stage of purification is ensured, so that a higher air volume can enter the next stage of purification structure, thereby maintaining the purification efficiency of the final filter element.

[0031] (6) Uniform aroma: The fan is installed at the air outlet of the air duct variable cylinder, at the end of the air duct filter structure, and the agarwood essential oil releaser surrounding the outer ring of the fan is also installed on the air outlet side of the fan. This allows the fan to drive a sufficient amount of purified air with a uniform air field to carry the aroma released by the agarwood essential oil releaser under stable rotation, so that the purified air and aroma are mixed evenly, and the purified air and aroma are evenly discharged at the air outlet of the air purifier. Attached Figure Description

[0032] To more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a front view structural diagram of the air purifier of the present invention;

[0034] Figure 2 This is a schematic diagram of the test isometric structure of the air purifier of the present invention;

[0035] Figure 3 This is a cross-sectional structural diagram of the air purifier of the present invention;

[0036] Figure 4 yes Figure 3 A magnified view of part A in the middle;

[0037] Figure 5 This is a top view of the air purifier of the present invention;

[0038] Figure 6 yes Figure 5 A partial sectional view of section BB in the middle.

[0039] The accompanying figure is labeled as follows:

[0040] 1. Lower outer casing; 11. Lower maintenance door; 12. Air inlet; 13. First boss;

[0041] 2. Convenient filtration mechanism; 21. Filter cartridge lifting unit; 22. Dust collection tray; 221. Second boss; 222. First filter screen fixing ring; 223. Primary filter cartridge fixing ring; 23. Lifting spring; 24. Composite filtration unit; 241. Metal filter screen cylinder; 242. Primary filter cartridge cylinder; 243. Sponge filter sleeve;

[0042] 3. Upper outer casing; 31. Air duct; 32. Second filter retaining ring; 33. Upper maintenance door; 34. Air outlet cover; 341. Air outlet mesh;

[0043] 4. Air duct variable capacity cylinder; 41. Final filtration chamber; 411. Filter cartridge insertion port; 412. Inlet rail;

[0044] 5. Final filter element; 51. Guide rail groove; 52. Sealing ring;

[0045] 6. Fan;

[0046] 7. Agarwood essential oil dispenser; 71. Oil tank; 711. Oil pipe; 712. Essential oil filling port; 72. Support tube; 721. Cotton column suction rod; 722. Ceramic heat insulation sleeve; 73. Heating plate; 731. Oil passage hole; 732. Positioning hook; 74. Volatile cotton; 75. Heating patch;

[0047] 8. Touchscreen;

[0048] 9. Power supply control unit; 91. Charging interface. Detailed Implementation

[0049] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0050] A specific embodiment provides an air purifier that emits the aroma of agarwood to purify the air. This device includes an air purification structure consisting of a convenient filtration mechanism and a final filter element. This reduces the maintenance frequency of each filter element and improves the compatibility between the filter elements and the agarwood essential oil releaser, thereby enhancing ease of use. Furthermore, the convenient filtration mechanism at the bottom includes a filter element lifting unit that allows for the easy removal and installation of the composite filter unit, quickly detaching it from the air duct between the lower and upper housings, greatly improving the convenience of filter element maintenance. The upper air duct expansion cylinder and final filter element further refine the air initially filtered in the composite filter unit, releasing clean air. Then, the aroma of agarwood essential oil is released through the agarwood essential oil releaser. Combined with the external swirling airflow of the fan, the aroma is evenly mixed with the clean air, allowing the active ingredients of the agarwood essential oil to diffuse evenly into the purified air, creating a high-quality air environment. Furthermore, the antibacterial properties of natural agarwood are coupled with the air purification process. Through air circulation and purification, the aroma molecules and antibacterial molecules released by the agarwood essential oil simultaneously mask odors and inhibit bacterial growth in the filter element, achieving multi-dimensional optimization of purification efficiency, sensory experience, and ease of use. This effectively solves the technical problems of existing air purification equipment, where the air purification component and aromatherapy component lack synergistic air purification functions, and the technical separation between the two components leads to frequent maintenance and inconvenience in using the air purifier.

[0051] The first implementation of an air purifier, for example Figures 1 to 3As shown, the system includes a lower outer shell 1, which houses a reusable and antibacterial convenient filter mechanism 2. The convenient filter mechanism 2 is equipped with a filter element lifting unit 21 and a composite filter unit 24 arranged coaxially with the outer shell. The outer and inner ring interfaces at the bottom of the composite filter unit 24 are sealed to the base of the filter element lifting unit 21. The lower outer shell 1 has an openable and closable lower maintenance door 11 at a position corresponding to the composite filter unit 24. An upper outer shell 3 has an air duct 31 at its bottom that communicates with the interior. The air duct 31 is inserted from top to bottom into the inner ring interface at the top of the composite filter unit 24 and sealed to it. The bottom of the upper outer shell 3 is sealed to the outer ring interface at the top of the composite filter unit 24. An air duct variable cylinder 4 is located inside the upper outer shell 3 and sealed to the air outlet of the air duct 31. A square final filtration chamber 41 is provided between the two ends of the air duct variable cylinder 4. The primary filtration chamber 41 is provided with a filter element insertion port 411, and the upper outer casing 3 at the position corresponding to the filter element insertion port 411 is provided with an openable and closable upper maintenance door 33; and a final filter element 5 is horizontally inserted into the final filtration chamber through the filter element insertion port 411, used to filter and adsorb pollutants and odors in the air entering from the air inlet of the air duct variable capacity cylinder 4; and a fan 6 is installed at the air outlet of the air duct variable capacity cylinder 4; and agarwood essence is arranged around the outer ring of the fan 6. The agarwood essential oil releaser 7 has a heating function and is provided with an essential oil filling port 712 for repeated use and release of agarwood aroma; as well as a touch screen 8 and a power control unit 9. The touch screen 8 is located above the upper maintenance door 33, and the essential oil filling port 712 is located on one side of the touch screen 8; the power control unit 9 is located outside the air duct variable cylinder 4 and is used to receive instructions from the touch screen 8 to control the fan 6 and the agarwood essential oil releaser 7.

[0052] The final filter element 5 is installed in the final filter chamber 41 in a detachable and sealed manner. A sealing ring 52 is provided on the inner wall of the final filter chamber 41 or on the four sides of the final filter element 5. Guide rail grooves 51 are provided on the opposite side walls of the final filter element 5. An inlet rail 412 is provided on the inner wall of the final filter chamber 41 corresponding to the guide rail grooves 51. This provides positioning and guidance when the user replaces the final filter element, and ensures that the sealing ring 52 abuts against the inner wall of the final filter chamber 41 and the four sides of the final filter element 5 to form a seal.

[0053] The charging interface 91 of the power control unit 9 is located on the upper housing 3.

[0054] Regarding the reusable and antibacterial structure of the aforementioned composite filter unit, this embodiment is, for example... Figure 3As shown, the composite filtration unit 24 includes a washable and reusable metal filter cylinder 241 and a primary filter cartridge 242 made of wood fiber; the outer ring of the primary filter cartridge 242 is also provided with a sponge filter sleeve 243; the metal filter cylinder 241 is used to filter air pollutants with a diameter greater than 40μm; the primary filter cartridge 242 is used to filter air pollutants with a diameter greater than 3μm.

[0055] The outer surface of the metal filter cylinder 241 is coated with silver ions to inhibit bacteria caused by the accumulation of dust and fabric contaminants on the outer surface of the metal filter cylinder 241.

[0056] Regarding the structure of the aforementioned final filter element for filtering and adsorbing incoming air and odors, such as... Figure 3 and Figure 4 As shown, the final filter element 5 is a filter element composed of a cotton filter layer containing activated carbon and silver ions and a HEPA filter layer with a filtration grade of H12-H14. The HEPA filter layer of the final filter element 5 faces the air inlet end of the air duct variable capacity cylinder 4, and the cotton filter layer faces the air outlet end of the air duct variable capacity cylinder 4.

[0057] When applied, the HEPA filter layer is used to filter air pollutant particles with a diameter of at least 0.3 μm and to adsorb odors in the air through the cotton filter layer.

[0058] Through multiple filtration structures, air duct structures and agarwood essential oil releasers, the air purifier can achieve the following under the drive of the fan: (1) The air purification structure and the aroma released by the agarwood essential oil releaser work synergistically to improve the air purification quality: By integrating the agarwood essential oil releaser 7 onto the fan 6, i.e. the end of the air duct, the clean air purified by the composite filter unit 24 and the final filter element 5 diffuses synchronously with the natural agarwood aroma released by the agarwood essential oil releaser 7, thus achieving the dual effects of odor adsorption and aroma regulation.

[0059] Among them, the active ingredients in the volatile substances of agarwood can decompose residual organic pollutants, forming a complete purification chain with the final filter 5 to synergistically purify odors, thus avoiding the problem of mutual interference between the aromatherapy module and the purification components in traditional air purification equipment.

[0060] (2) Modular filtration structure enables convenient maintenance: The modular filtration structure adopts a split shell design and an openable and closable lower maintenance door 11 and upper maintenance door 33 structure, so that the composite filtration unit 24 and the final filter element 5 can be independently cleaned and replaced.

[0061] Among them, the composite filter unit 24 can be vertically extracted through the filter lifting unit 21 after opening the lower maintenance door 11; this avoids the difficulty of disassembly caused by the stacking of multiple filters in traditional air purification equipment, thereby improving maintenance efficiency and convenience, making filter replacement faster and dust cleaning more convenient.

[0062] Regarding the specific structure for controlling the temperature of the heating plate and the concentration of aroma released by the agarwood essential oil releaser, a temperature sensor electrically connected to the power control unit 9 is provided at the top of the oil tank 71 between the oil tank 71 and the heating plate 73. The probe of the temperature sensor extends into the volatile cotton 74 through the side of the heating plate 73 to measure the temperature information of the volatile cotton 74.

[0063] When applied, the temperature sensor measures the temperature of the volatile cotton 74 and feeds it back to the power control unit 9. The heating temperature of the agarwood essential oil releaser 7 is displayed on the touch screen 8, forming a closed loop to control the heating time and adjust the heating power of the heating patch 75, thereby completing the temperature adjustment of the heating plate 73 and flexibly controlling the aroma concentration released by the agarwood essential oil releaser 7.

[0064] (3) Intelligent fragrance control and energy efficiency optimization: The fragrance release concentration of the agarwood essential oil releaser 7 can be adjusted by the touch screen 8. After receiving the instruction, the power control unit 9 controls the built-in heating function of the agarwood essential oil releaser 7, adjusts the heating power and heating time, and finally controls the fragrance release speed by controlling the heating temperature, thereby controlling the fragrance release concentration. Combined with the linkage control of the air volume of the fan 6, it ensures that the fragrance diffuses evenly and there is no problem of excessive local concentration. Compared with the combination of independent aromatherapy equipment and independent traditional air purification equipment, the air purifier of the present invention that emits agarwood fragrance to purify the air has lower overall energy consumption, which reduces the energy consumption of users using air purification and fragrance functions. In addition, the agarwood essential oil releaser 7 uses natural fragrance substances to release natural fragrance, which can also avoid the problems of unstable volatilization and difficulty in controlling the uniform fragrance concentration caused by the use of chemical fragrances in traditional aromatherapy equipment.

[0065] (4) Natural antibacterial and health benefits: The agarwood essential oil releaser 7 uses agarwood essential oil made from natural aromatic substances. During the heating process, it not only releases natural aroma, but also contains natural antibacterial components with broad-spectrum antibacterial properties. During the air purifier's air purification process, the previously released natural antibacterial components are reabsorbed into the composite filter unit 24 and the final filter element 5, which can inhibit the growth of microorganisms on the filter element surface, reduce odor production, and extend the filter element's service life. At the same time, agarwood aromatic molecules act on the human parasympathetic nervous system through the respiratory tract, achieving the dual health value of air purification and user psychological relaxation, and enhancing the air purifier's added value in purifying the air.

[0066] (5) The air purifier has higher air volume and air velocity: The square final filter chamber 41 structure in the duct variable capacity cylinder 4 allows the duct variable capacity cylinder 4 to accommodate the main filter element. At the same time, the change in the cavity capacity of the final filter chamber 41 at both ends and in the middle of the duct variable capacity cylinder 4 can change the air velocity when the fan 6 moves the air forward in the duct. This reduces the air velocity attenuation rate in the duct filtration structure composed of the composite filter unit 24 and the final filter element 5, thereby improving the air velocity and air volume. Combined with the double-layer sealing interface of the inner and outer rings of the composite filter unit 24, the air sealing in the first stage of purification is ensured, allowing a higher air volume to enter the next stage of purification structure, thereby maintaining the purification efficiency of the final filter element 5.

[0067] (6) Uniform aroma: The fan 6 is installed at the air outlet of the air duct variable cylinder 4, at the end of the air duct filter structure, and the agarwood essential oil releaser 7 surrounding the outer ring of the fan 6 is also installed on the air outlet side of the fan 6. This allows the fan 6 to rotate stably, driving a sufficient amount of purified air with a uniform air field to carry the aroma released by the agarwood essential oil releaser 7, so that the purified air and aroma are mixed evenly, and the purified air and aroma are evenly discharged at the air outlet of the air purifier.

[0068] As one alternative implementation method,

[0069] Regarding the structure of the aforementioned filter element lifting unit, this embodiment is, for example... Figure 3 As shown, the filter element lifting unit 21 includes a dust collection tray 22 and a lifting spring 23; the bottom of the lower outer shell 1 and the bottom of the dust collection tray 22 are respectively provided with a first protrusion 13 and a second protrusion 221 for positioning the lifting spring 23, and the two ends of the lifting spring 23 are respectively fitted onto the first protrusion 13 and the second protrusion 221; the top of the dust collection tray 22 is provided with a first filter screen fixing ring 222 and a primary filter element fixing ring 223 arranged coaxially, and the primary filter element... A fixing ring 223 is disposed inside the first filter fixing ring 222; a second filter fixing ring 32 is disposed at the bottom of the upper outer shell 3, and the second filter fixing ring 32 is sleeved on the outside of the air duct 31; the two ends of the metal filter cylinder 241 are respectively detachably sealed and sleeved on the outside of the first filter fixing ring 222 and the second filter fixing ring 32; the two ends of the primary filter element cylinder 242 are respectively detachably sealed and sleeved on the outside of the primary filter element fixing ring 223 and the air duct 31.

[0070] In application, the dust collection tray 22 is used to collect air pollutants filtered by the metal filter cylinder 241 and the primary filter cartridge 242. After opening the lower maintenance door 11, pressing the dust collection tray 22 causes the metal filter cylinder 241 and the primary filter cartridge 242 to descend and disengage from the second filter fixing ring 32 and the air duct 31 via the lifting spring 23, thereby removing the dust collection tray 22, the metal filter cylinder 241 and the primary filter cartridge 242 for cleaning and filter replacement.

[0071] The sensing structure for step-by-step monitoring of air quality passing through the metal filter cylinder, primary filter cylinder, final filter, and agarwood essential oil releaser includes a first air quality sensing unit located between the lower outer shell 1 and the metal filter cylinder 241. This unit is used to detect the current ambient air quality and transmit the data to the power control unit 9.

[0072] In application, the first air quality sensor is disposed adjacent to the inner side of the lower housing 1. The first air quality sensing unit is electrically connected to the power control unit 9 and is used to detect the air quality of the current environment. The air quality is displayed on the touch screen 8 by transmitting data to the power control unit 9.

[0073] A second air quality sensing unit is provided between the metal filter cylinder 241 and the primary filter element cylinder 242 to detect the air quality after filtration by the metal filter cylinder 241 and transmit the data to the power control unit 9.

[0074] When in use, the second air quality sensing unit is electrically connected to the power control unit 9 to detect the air quality after filtration by the metal filter cylinder 241, and to record air quality change data and filtration time by transmitting data to the power control unit 9; and to display the remaining usage time of the metal filter cylinder 241 on the touch screen 8 to remind the user to clean the metal filter cylinder 241 in a timely manner.

[0075] A third air quality sensing unit is installed at the air inlet end of the air duct variable capacity cylinder 4 to detect the air quality after filtration by the primary filter cartridge 242 and transmit the data to the power control unit 9.

[0076] In application, the third air quality sensing unit is electrically connected to the power control unit 9 to detect the air quality after filtration by the primary filter cartridge 242, and to record air quality change data and filtration time by transmitting data to the power control unit 9; and to display the remaining usage time of the primary filter cartridge 242 on the touch screen 8 to remind the user to replace the primary filter cartridge 242 in time.

[0077] A fourth air quality sensing unit is installed at the air outlet of the air duct variable capacity cylinder 4 to detect the air quality after filtration by the final filter element 5 and transmit the data to the power control unit 9.

[0078] When in use, the fourth air quality sensing unit is electrically connected to the power control unit 9 to detect the air quality after filtration by the final filter element 5, and to record air quality change data and filtration time by transmitting data to the power control unit 9; and to display the remaining usage time of the final filter element 5 on the touch screen 8 to remind the user to replace the final filter element 5 in time.

[0079] Regarding the specific structure of the agarwood essential oil dispenser, this implementation is as follows: Figure 3 , Figure 5 and Figure 6 As shown, the agarwood essential oil dispenser 7 includes an oil tank 71 for holding agarwood essential oil, a cotton column suction rod 721, a heating plate 73, and volatile cotton 74 for dispersing agarwood essential oil. An extended oil pipe 711 is provided on the side of the oil tank 71, and the essential oil filling port 712 is located at the end of the oil pipe 711 and fixed to the upper outer shell 3. A support pipe 72 communicating with the interior of the oil tank 71 is installed on the top of the oil tank 71, and the cotton column suction rod 721 is inserted into the support pipe 72. One end of the support pipe 72 is inserted into the oil tank 71, and the other end of the support pipe 72 is connected to the heating plate 73. The heating plate 73 is connected to the support tube 72 and the heating plate 73, and a ceramic heat insulation sleeve 722 is provided between them. The bottom of the heating plate 73 is provided with an oil passage hole 731 corresponding to the cotton column attraction rod 721. The volatile cotton 74 is placed inside the heating plate 73, and the volatile cotton 74 contacts the cotton column attraction rod 721 to conduct the agarwood essential oil in the oil tank 71 to the heating plate 73. The bottom of the heating plate 73 is provided with a heating patch 75, which is arranged between the two support tubes 72. The heating patch 75 is electrically connected to the power control unit 9.

[0080] Among them, such as Figure 5 As shown, the heating plate 73 is also provided with a positioning hook 732, which is used to hook the volatile cotton 74 when replacing it, so as to avoid the problem of the volatile cotton 74 falling off when moving the air purifier.

[0081] Specifically, the support tube 72 is a metal tube used to increase the support strength of the heating plate 73; the heating plate 73 is made of ceramic or heat-resistant glass, used to avoid the metal from denaturing the natural substances in the agarwood essential oil during the heating and volatilization process, and the ceramic and glass materials have heat-insulating effects to ensure that the aroma increases or decreases slowly during the initial and final heating of the agarwood essential oil, resulting in a more uniform aroma release and a slow aroma release curve, thereby improving the user's adaptability to the fragrance, and reducing carbon buildup in the heating plate 73 during the heating and volatilization process, thus reducing the frequency of cleaning the agarwood essential oil releaser 7; more maintenance of the agarwood essential oil releaser 7 is focused on timely adjustment after the essential oil release is completed.

[0082] When in use, the touch screen 8 and the power control unit 9 control the heating patch 75 to raise the temperature of the heating plate 73, which promotes the volatilization of agarwood essential oil absorbed by the volatile cotton 74.

[0083] A liquid level sensor is installed inside the oil tank 71. The liquid level sensor is electrically connected to the power control unit 9 to detect the amount of agarwood essential oil in the oil tank 71 and display the current liquid level of agarwood essential oil on the touch screen 8 to remind the user to replenish the agarwood essential oil in time.

[0084] Specifically, agarwood essential oil is made primarily from agarwood, a natural aromatic substance. It has a natural fragrance and is healthier than aromatherapy essential oils containing chemical fragrances, avoiding any impact on the respiratory tract. Furthermore, agarwood substances have antibacterial properties, which, when released by air purifiers, further purify the air and improve air quality.

[0085] A fifth air quality sensor unit is installed above the agarwood essential oil emitter 7 to detect the air quality above the agarwood essential oil emitter 7 and at the final air outlet, and transmits the data to the power control unit 9. The purified air quality data and the aroma concentration of the released agarwood essential oil are displayed on the touch screen 8. Combined with the data on the unpurified ambient air quality displayed on the touch screen 8, customers can easily compare and dynamically view the degree of air purification. They can also set the target value for air purification through the touch screen 8, and the air purifier can be automatically started and stopped, thereby saving energy and making it more convenient for users to use.

[0086] In application, the fifth air quality sensing unit is electrically connected to the power control unit 9 to detect the air quality above the agarwood essential oil emitter 7 and the final air outlet, and transmits data to the power control unit 9 to record air quality change data and air outlet time; the remaining usage time of the agarwood essential oil emitter 7 is displayed on the touch screen 8 to remind the user to clean the agarwood essential oil emitter 7 in time, because if the heating plate 73 is not cleaned in time, it will affect the final air outlet air quality, which can be detected by the particle detection data of the air quality sensor.

[0087] The air quality sensing unit can be combined with multiple MQ series gas sensors to form a function that can detect particulate matter and harmful gases (including formaldehyde) in the air.

[0088] Regarding the specific structure of the air duct variable displacement cylinder, this implementation is as follows: Figure 3 As shown, the air inlet and outlet of the variable-capacity cylinder 4 are both cylindrical, and the final filter chamber 41 is cubic. The diameter of the outlet of the variable-capacity cylinder 4 is smaller than the diameter of the air inlet of the fan 6, the diameter of the air inlet of the variable-capacity cylinder 4 is smaller than the diameter of the outlet of the variable-capacity cylinder 4, and the diameter of the air duct 31 is smaller than the diameter of the air inlet of the variable-capacity cylinder 4, which is used to gradually increase the air inlet velocity of the final filter element 5 and the composite filter unit 24 from top to bottom.

[0089] The fan 6 is equipped with a digital motor, and the speed of the digital motor is not less than 100,000 revolutions per minute, which can increase the air volume while controlling the noise.

[0090] When applied, the duct diameter gradually decreases from the fan 6 to the duct 31, which is used to gradually increase the inlet air velocity of the final filter element 5 and the composite filter unit 24 from top to bottom of the fan 6, thereby increasing the inlet air velocity in reverse order and increasing the outlet air volume, so that the outlet air volume of the fan 6 at the highest speed is at least not lower than the outlet air volume at the medium speed.

[0091] Regarding the air purifier's air intake structure located in the lower casing and the air outlet structure located in the upper casing, this embodiment is, for example... Figures 1 to 3 As shown, both the lower outer shell 1 and the lower maintenance door 11 are provided with through air inlets 12; the top of the upper outer shell 3 is equipped with a detachable air outlet cover 34, and the air outlet cover 34 is provided with an air outlet mesh 341.

[0092] When in use, the composite filter unit 24 takes in air through the air inlet 12. By using the air inlet 12 provided around the lower outer casing 1, the air intake of the composite filter unit 24 is increased, the speed load of the fan 6 is reduced, and overload is prevented.

[0093] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described.

Claims

1. An air purifier that emits the aroma of agarwood to purify the air, characterized in that, It includes a lower housing, which contains a reusable and antibacterial convenient filter mechanism; The convenient filtration mechanism is provided with a filter element lifting unit and a composite filtration unit arranged coaxially with the outer shell. The outer ring and inner ring interfaces at the bottom of the composite filtration unit are sealed and connected to the base of the filter element lifting unit. The lower outer casing is provided with an openable and closable lower maintenance door at the position corresponding to the composite filter unit; The upper housing has an air duct at its bottom that communicates with the interior. The air duct is inserted from top to bottom into the inner ring interface at the top of the composite filter unit and sealed. The bottom of the upper housing is sealed to the outer ring interface at the top of the composite filter unit. And a duct variable capacity cylinder disposed inside the upper outer shell and sealed to the air outlet of the duct pipe, a square final filter chamber is provided between the two ends of the duct variable capacity cylinder, a filter element insertion port is provided on the final filter chamber, and an openable and closable upper maintenance door is provided on the upper outer shell at the position corresponding to the filter element insertion port. And a final filter element that is horizontally inserted into the final filtration chamber through the filter element insertion port, used to filter and adsorb pollutants and odors in the air entering from the air inlet of the air duct variable capacity cylinder; And the fan installed at the air outlet of the air duct variable capacity cylinder; And an agarwood essential oil releaser surrounding the outer ring of the fan, the agarwood essential oil releaser having a heating function and being provided with an essential oil filling port for repeated use and releasing agarwood aroma; The system includes a touch screen and a power control unit. The touch screen is located above the upper maintenance door, and the essential oil filling port is located on one side of the touch screen. The power control unit is located outside the air duct variable cylinder and is used to receive instructions from the touch screen to control the fan and the agarwood essential oil dispenser. The composite filtration unit includes a washable, cleanable, and reusable metal filter cartridge and a wood fiber primary filter cartridge; the outer ring of the primary filter cartridge is also provided with a sponge filter sleeve; the metal filter cartridge is used to filter air pollutants with a diameter greater than 40μm; the primary filter cartridge is used to filter air pollutants with a diameter greater than 3μm. The filter element lifting unit includes a dust collection tray and a lifting spring; the bottom of the lower outer shell and the bottom of the dust collection tray are respectively provided with a first boss and a second boss for positioning the lifting spring, and the two ends of the lifting spring are respectively fitted onto the first boss and the second boss; the top of the dust collection tray is provided with a first filter screen fixing ring and a primary filter element fixing ring arranged coaxially, and the primary filter element fixing ring is disposed inside the first filter screen fixing ring; the bottom of the upper outer shell is provided with a second filter screen fixing ring, and the second filter screen fixing ring is fitted onto the air duct; the two ends of the metal filter screen cylinder are respectively fitted onto the first filter screen fixing ring and the second filter screen fixing ring in a detachable sealing manner; the two ends of the primary filter element cylinder are respectively fitted onto the primary filter element fixing ring and the air duct in a detachable sealing manner.

2. The air purifier according to claim 1, characterized in that, The outer surface of the metal filter cylinder is coated with silver ions to inhibit bacteria caused by the accumulation of dust and fabric contaminants on the outer surface of the metal filter cylinder.

3. The air purifier according to claim 1, characterized in that, The final filter element is composed of a cotton filter layer containing activated carbon and silver ions and a HEPA filter layer with a filtration grade of H12-H14; the HEPA filter layer of the final filter element faces the air inlet end of the air duct variable capacity cylinder, and the cotton filter layer faces the air outlet end of the air duct variable capacity cylinder.

4. The air purifier according to claim 1, characterized in that, A first air quality sensing unit is provided between the lower outer shell and the metal filter cylinder to detect the current air quality and transmit the data to the power control unit. A second air quality sensing unit is provided between the metal filter cylinder and the primary filter element cylinder to detect the air quality after filtration by the metal filter cylinder and transmit the data to the power control unit. A third air quality sensing unit is installed at the air inlet end of the air duct variable capacity cylinder to detect the air quality after filtration by the primary filter cartridge and transmit the data to the power control unit. A fourth air quality sensing unit is installed at the air outlet of the air duct variable capacity cylinder to detect the air quality after filtration by the final filter element and transmit the data to the power control unit. A fifth air quality sensor unit is installed above the agarwood essential oil dispenser to detect the air quality above the agarwood essential oil dispenser and at the final air outlet, and to transmit the data to the power control unit.

5. The air purifier according to claim 1, characterized in that, The air inlet and outlet of the variable displacement cylinder are both cylindrical, and the final filter chamber is cubic. The diameter of the air outlet of the variable-capacity duct is smaller than the diameter of the air inlet of the fan, the diameter of the air inlet of the variable-capacity duct is smaller than the diameter of the air outlet of the variable-capacity duct, and the diameter of the duct pipe is smaller than the diameter of the air inlet of the variable-capacity duct, which is used to gradually increase the air inlet velocity of the final filter element and the composite filter unit from top to bottom.

6. The air purifier according to claim 1, characterized in that, The agarwood essential oil dispenser includes an oil tank for holding agarwood essential oil, a cotton column suction rod, a heating plate, and volatile cotton for dispersing agarwood essential oil; an extended oil pipe is provided on the side of the oil tank, and the essential oil filling port is located at the end of the oil pipe and fixed to the upper outer shell. A support tube communicating with the inside of the oil tank is installed on the top of the oil tank, and the cotton column suction rod is inserted into the support tube; one end of the support tube is inserted into the oil tank, and the other end of the support tube is connected to the heating plate, and a ceramic heat insulation sleeve is provided between the support tube and the heating plate. The bottom of the heating plate is provided with an oil passage hole corresponding to the cotton column attracting rod. The volatile cotton is placed in the heating plate and the volatile cotton is in contact with the cotton column attracting rod to conduct the agarwood essential oil in the oil tank to the heating plate. A heating pad is provided at the bottom of the heating plate, and the heating pad is arranged between the two support tubes; the heating pad is electrically connected to the power control unit.

7. The air purifier according to claim 6, characterized in that, At the top of the oil tank, a temperature sensor electrically connected to the power control unit is provided between the oil tank and the heating plate. The probe of the temperature sensor extends into the volatile cotton through the side of the heating plate to measure the temperature information of the volatile cotton.

8. The air purifier according to claim 1, characterized in that, Both the lower outer shell and the lower maintenance door are provided with through air inlets; the top of the upper outer shell is equipped with a detachable air outlet cover, and the air outlet cover is provided with an air outlet mesh.

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