Air purification apparatus and air treatment device

Abstract

An air purification apparatus and an air treatment device. The air purification apparatus comprises: a housing that has insulating properties and is provided with a first cavity having a wall surface on which a first mounting hole is formed, wherein the inner surface of the first cavity is provided with a mounting part; a light-emitting part connected to the housing and arranged outside the first cavity; and an ion generation assembly, comprising: a first electrode that is connected to the mounting part, extends out of the first cavity from the first mounting hole, is not in contact with the inner surface of the first mounting hole, and is configured to load negative voltage; and a second electrode that is connected to the housing, is arranged outside the first cavity, is spaced from the first electrode, and is configured to be connected to a reference ground. The first electrode and the second electrode are jointly used for ionizing air to generate plasma, and the light-emitting part is configured to emit light when the ion generation assembly ionizes the air.

Description

Air purification device and air treatment equipment

[0001] This application claims priority to the Chinese patent applications filed on March 7, 2024, with application number 202410261575.2 and invention name “An air purification device and air treatment equipment” and filed on March 7, 2024, with application number 202420446092.5 and invention name “An air purification device and air treatment equipment”, the contents of which should be understood as incorporated into this application by reference. Technical Field

[0002] This article relates to the field of air purification technology, in particular to an air purification device and air treatment equipment. Background Art

[0003] In the related art, an air conditioner is provided with a negative ion generator or a plasma generator to purify the air. The negative ion generator can generate negative ions to kill bacteria and reduce dust, and the plasma generator can generate plasma to kill bacteria and remove odors.

[0004] Users can only check whether the air purification function of the air conditioner is turned on through a remote control or a mobile terminal, which is not particularly convenient.

[0005] Summary of the Invention

[0006] The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

[0007] The technical problem to be solved by this application is how to enhance the user's perception of the start and stop of the air purification function.

[0008] The present invention provides an air purification device, which includes:

[0009] The housing is insulating and has a first cavity with a first mounting hole on its wall, and a mounting portion is provided on an inner surface of the first cavity;

[0010] a light emitting portion connected to the housing and disposed outside the first cavity; and

[0011] Ion generating assembly, including:

[0012] A first electrode, connected to the mounting portion, extending from the first mounting hole into the first cavity without contacting an inner surface of the first mounting hole, and configured to apply a negative voltage; and

[0013] a second electrode connected to the housing, disposed outside the first cavity, spaced apart from the first electrode, and configured to be connected to a reference ground;

[0014] The first electrode and the second electrode are used together to ionize air to generate plasma, and the light-emitting portion is configured to emit light when the ion generating component ionizes air.

[0015] In an exemplary embodiment, the first cavity is filled with an insulating material.

[0016] In an exemplary embodiment, a distance between the first electrode and an inner surface of the first mounting hole is greater than or equal to 1 mm.

[0017] In an illustrative embodiment, the mounting portion is provided on the bottom wall of the first cavity, and the first mounting hole is provided on the top wall of the first cavity.

[0018] In an exemplary embodiment, the housing is further provided with a second cavity disposed on one side of the first cavity;

[0019] A light-transmitting hole is provided on a wall surface of the second cavity, and the light-emitting portion is provided in the second cavity.

[0020] In an illustrative embodiment, the distance between the light-emitting portion and the light-transmitting hole is greater than or equal to 2 mm.

[0021] In an exemplary embodiment, the housing includes:

[0022] The bottom cover comprises a bottom plate, a cofferdam connected to the bottom plate at one end, and the mounting portion provided in the cofferdam, wherein the mounting portion is connected to the bottom plate;

[0023] a base, comprising a base body and a support, wherein the base body comprises a top plate covering an end of the cofferdam facing away from the bottom plate, the top plate, the cofferdam, and the bottom plate enclosing the first cavity, and the first mounting hole being provided on the top plate;

[0024] One end of the support is connected to a side of the top plate facing away from the cofferdam, and the other end is connected to the second electrode.

[0025] In an exemplary embodiment, the base body further includes a side plate extending from an edge of the top plate toward the bottom plate;

[0026] The bottom cover further includes a mounting platform arranged outside the cofferdam. The mounting platform, the top plate, and the cofferdam enclose the second cavity. The light emitting portion is arranged on the mounting platform, and the light-transmitting hole is arranged on the top plate.

[0027] In an exemplary embodiment, the base further includes a mounting base connected to the top plate, wherein the mounting base is disposed outside a region between the first electrode and the second electrode;

[0028] The ion generating assembly further comprises a third electrode connected to the mounting base, and the third electrode is used for ionizing air to generate negative ions.

[0029] In an exemplary embodiment, the housing further comprises a protective cover provided with a vent, the protective cover covers the top plate, and the first mounting hole and the light-transmitting hole are located within the coverage of the protective cover;

[0030] The first electrode extends into the protective cover, the second electrode is located in the protective cover, and the third electrode is arranged outside the protective cover.

[0031] In an exemplary embodiment, there is a gap between the second electrode and the protective cover.

[0032] In an exemplary embodiment, the second electrode is provided with a first injection hole, and the protective cover is provided with a second injection hole aligned with the first injection hole;

[0033] The first electrode includes a conductive base connected to the mounting portion and a conductive tip extending from the conductive base toward the second electrode;

[0034] The conductive tip portion is provided with a tip facing the first injection hole.

[0035] In an exemplary embodiment, the light emitting portion includes a straight strip of light;

[0036] The light-transmitting hole is configured as a strip-shaped hole, and an extending direction of a cross section of the light-transmitting hole is parallel to an extending direction of the light strip.

[0037] In an exemplary embodiment, the light emitting portion includes a reflective sheet and a lamp bead emitting light toward the reflective sheet, and the lamp bead and the reflective sheet are respectively arranged on opposite sides of the second cavity;

[0038] The reflective sheet is configured to reflect the light emitted by the lamp beads to the light-transmitting hole.

[0039] In an exemplary embodiment, the light emitting portion includes a lamp bead disposed on one side of the second cavity and a reflective layer disposed on an inner surface of the second cavity.

[0040] In an exemplary embodiment, the light emitting portion includes a reflector disposed at the bottom of the second cavity and a lamp bead disposed on one side of the second cavity;

[0041] The lamp bead emits light toward the reflector, and the distance from the side of the reflector close to the lamp bead to the light-transmitting hole is greater than the distance from the side of the reflector away from the lamp bead to the light-transmitting hole.

[0042] The present application also proposes an air treatment device, which includes the air purification device as described above.

[0043] In this way, the light-emitting portion can serve as an indicator light to indicate whether the ion generator is working. When the ion generator ionizes the air, the light-emitting portion will light up and emit light. When the user sees the light-emitting portion glowing, they can determine that the air purifier has been turned on. When the ion generator stops ionizing the air, the light-emitting portion will go out. When the user sees the light-emitting portion is not glowing, they can determine that the air purifier has not been turned on. Therefore, the user only needs to see whether the light-emitting portion is glowing to determine whether the air purifier is turned on, which is more convenient. At the same time, when the light-emitting portion is glowing, the air purifier is easier for the user to perceive, thereby improving the user experience.

[0044] At the same time, since the first electrode is only connected to the mounting part in the first cavity, the part of the first electrode located in the mounting hole does not contact the inner surface of the mounting hole, and the second electrode and the light-emitting part are both arranged outside the first cavity, the creepage distance between the first electrode and the light-emitting part and the creepage distance between the first electrode and the second electrode are both large, which can reduce the possibility of creepage sparks between the first electrode and the second electrode and between the first electrode and the light-emitting part in an environment with high air humidity, reduce the safety hazards of the air purification device, and avoid the light-emitting part being broken down by the current released by the first electrode.

[0045] Other features and advantages of the present application will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present application. Other advantages of the present application can be realized and obtained by the solutions described in the description and the drawings.

[0046] Summary of the Figures

[0047] The accompanying drawings are used to provide an understanding of the technical solution of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0048] FIG1 is a schematic structural diagram of an air treatment device according to an embodiment of the present application;

[0049] FIG2 is a schematic structural diagram of an air purification device according to an embodiment of the present application;

[0050] FIG3 is a disassembled schematic diagram of an air purification device according to an embodiment of the present application;

[0051] FIG4 is a full cross-sectional schematic diagram of an air purification device according to an embodiment of the present application;

[0052] FIG5 is a schematic diagram of a first electrode in an embodiment of the present application;

[0053] FIG6 is a schematic diagram of a light-emitting portion in an embodiment of the present application;

[0054] FIG7 is a schematic diagram of another light-emitting portion in an embodiment of the present application;

[0055] FIG8 is a schematic diagram of another light-emitting portion in an embodiment of the present application.

[0056] Reference numerals: 100, air purification device; 1, housing; 11, bottom cover; 111, bottom plate; 112, cofferdam; 113, mounting platform; 114. Mounting portion; 1141. Mounting slot; 12. Base; 121. Base body; 1211. Top plate; 1212. Light-transmitting hole; 1213. First mounting hole; 1214. Side plate; 122. Pillar; 123. Mounting seat; 1231. Second mounting hole; 13. Protective cover; 131. Vent; 132. Second injection hole; 14. First cavity; 15. Second cavity; 2. First electrode; 21. Conductive tip; 22. Conductive base; 3. Second electrode; 31. First injection hole; 4. Third electrode; 5. Light-emitting portion; 51a-51c. Lamp beads; 52a. Reflective sheet; 52b. Reflective layer; 52c. Reflective element; 6. Power supply assembly; 7. Ion generator assembly; 200. Air treatment equipment; 201. Air duct; 202. Air outlet; 203. Casing.

[0057] Details

[0058] As shown in FIG1 , FIG1 shows the structure of an air treatment device 200 in this embodiment. The air treatment device 200 includes the structure of an air purification device 100 .

[0059] As shown in Figures 2 to 4, the air purification device 100 includes a shell 1, a light-emitting part 5 and an ion generating assembly 7. The shell 1 is made of an insulating material, and the shell 1 can be made of plastic. The light-emitting part 5 and the ion generating assembly 7 are both arranged on the shell 1, and the shell 1 supports the light-emitting part 5 and the ion generating assembly 7. A first cavity 14 is provided on the shell 1. The first cavity 14 can be constructed as a roughly rectangular cavity. A mounting portion 114 is provided on the inner surface of the first cavity 14. The mounting portion 114 can be constructed as a protrusion protruding from the inner surface of the first cavity 14. A mounting groove 1141 is provided at the top of the mounting portion 114. A first mounting hole 1213 is also provided on the wall surface of the first cavity 14. The first mounting hole 1213 is a through hole. One end of the first mounting hole 1213 is connected to the first cavity 14, and the other end of the first mounting hole 1213 is connected to the space outside the first cavity 14.

[0060] The ion generating assembly 7 includes a first electrode 2 and a second electrode 3. The first electrode 2 and the second electrode 3 are both conductors. The first electrode 2 and / or the second electrode 3 can be made of a metal, including one or more of stainless steel, copper, aluminum, tungsten, and molybdenum. The first electrode 2 and / or the second electrode 3 can also be made of a conductive non-metallic material such as graphite or carbon fiber. The first electrode 2 and the second electrode 3 can include a strip-shaped, ring-shaped, or sheet-shaped conductive body, and the shape of the first electrode 2 and the second electrode 3 is not limited.

[0061] One end of the first electrode 2 is connected to the mounting portion 114 of the housing 1, and the other end of the first electrode 2 extends from the first mounting hole 1213 into the first cavity 14. A gap exists between the first electrode 2 and the inner surface of the first mounting hole 1213, and the first electrode 2 does not contact the inner surface of the first mounting hole 1213. The second electrode 3 is connected to the housing 1. A gap is provided between the second electrode 3 and the first electrode 2. The second electrode 3 may be provided on the side of the first mounting hole 1213 facing away from the first cavity 14. A gap is provided between the first electrode 2 and the second electrode 3. The first electrode 2 is used to apply a negative voltage, and the second electrode 3 is used as a reference ground, so that a voltage difference exists between the first electrode 2 and the second electrode 3. The negative voltage applied to the first electrode 2 can be between -2kV and -10kV. When the voltage difference between the first electrode 2 and the second electrode 3 is large enough, the air between the first electrode 2 and the second electrode 3 is ionized to generate plasma, generating a large number of high-energy particles such as electrons, hydroxyl radicals, reactive oxygen species (ROS), and reactive nitrogen species (RNS). High-energy particles can not only kill bacteria and viruses passing through the plasma area, but also decompose and purify odors in the air.

[0062] The light-emitting portion 5 is provided on the housing 1 and is connected to the housing 1. The light-emitting portion 5 is provided outside the housing 1. The light-emitting portion 5 includes a lamp bead (not shown in the figure). The lamp bead can be a light-emitting diode. The lamp bead is configured to emit light when the ion generating assembly 7 ionizes the air. For example, the control switch of the lamp bead is linked to the control switch of the ion generating assembly 7, and the control switch of the ion generating assembly 7 and the switch of the lamp bead are started and turned off synchronously. The light-emitting portion 5 can be an LED lamp wick, a COB light strip or an LED light strip.

[0063] In this way, the light-emitting portion 5 can serve as an indicator light to indicate whether the ion generating assembly 7 is working. When the ion generating assembly 7 ionizes the air, the light-emitting portion 5 will be illuminated and emit light. When the user sees that the light-emitting portion 5 is emitting light, they can determine that the air purification device 100 has been turned on. When the ion generating assembly 7 stops ionizing the air, the light-emitting portion 5 will be extinguished. When the user sees that the light-emitting portion 5 is not emitting light, they can determine that the air purification device 100 has not been turned on. As a result, the user only needs to see whether the light-emitting portion 5 is emitting light to determine whether the air purification device 100 is turned on, which is more convenient. At the same time, when the light-emitting portion 5 is emitting light, the air purification device 100 is more easily perceived by the user, thereby improving the user experience.

[0064] At the same time, since the first electrode 2 is only connected to the mounting portion 114 in the first cavity 14, the portion of the first electrode 2 located in the mounting hole does not contact the inner surface of the mounting hole, and the second electrode 3 and the light-emitting portion 5 are both arranged outside the first cavity 14. The creepage distance between the first electrode 2 and the light-emitting portion 5 and the creepage distance between the first electrode 2 and the second electrode 3 are both large, which can reduce the possibility of creepage sparks between the first electrode 2 and the second electrode 3 and between the first electrode 2 and the light-emitting portion 5 in an environment with high air humidity, reduce the safety hazards of the air purification device 100, and prevent the light-emitting portion 5 from being broken down by the current released by the first electrode 2.

[0065] In an exemplary embodiment, an insulating material is potted within the first cavity 14 of the housing 1. The insulating material may be a thermoplastic material. The insulating material is heated to a liquid state and then injected into the first cavity 14 through the first mounting hole 1213. After the insulating material cools and solidifies, the insulating material fills the first cavity 14. The insulating material may completely fill the first cavity 14. The insulating material may be a polymer, such as epoxy resin, rubber, or plastic. Alternatively, the insulating material may be an insulating adhesive.

[0066] An insulating material is encapsulated in the first cavity 14 , and the insulating material can further improve the insulation performance between the light-emitting portion 5 and the first electrode 2 , thereby preventing the light-emitting portion 5 from being broken down by the current released by the first electrode 2 .

[0067] In an exemplary embodiment, the distance between the first electrode 2 and the inner surface of the first mounting hole 1213 is greater than or equal to 1 mm.

[0068] An annular gap exists between the portion of first electrode 2 within first mounting hole 1213 and the inner surface of first mounting hole 1213. The minimum width of this annular gap is 1 mm. This provides a sufficiently large gap between first electrode 2 and first mounting hole 1213 that, even in environments with high humidity, the electric field between first electrode 2 and light-emitting portion 5 does not break down the air between first electrode 2 and first mounting hole 1213, allowing current to flow along the surface of housing 1 and reach light-emitting portion 5.

[0069] In one exemplary embodiment, as shown in FIG4 , the first cavity 14 has a top wall and a bottom wall opposite the top wall. A mounting portion 114 is disposed on the bottom wall of the first cavity 14, and the mounting portion 114 may be disposed in the middle of the bottom wall of the first cavity 14. A first mounting hole 1213 is disposed on the top wall of the first cavity 14, and the first mounting hole 1213 may be disposed in the middle of the top wall of the first cavity 14. A mounting groove 1141 on the mounting portion 114 is aligned with the first mounting hole 1213.

[0070] In this way, the distance from the mounting portion 114 to the first mounting hole 1213 along the inner surface of the first cavity 14 is the longest, thereby increasing the creepage distance between the first electrode 2 and the light-emitting portion 5 and the creepage distance between the first electrode 2 and the second electrode 3, further reducing the risk of creepage sparks.

[0071] In an exemplary embodiment, as shown in FIG4 , a second cavity 15 is further provided within the housing 1. The second cavity 15 is disposed on one side of the first cavity 14. A light-transmitting hole 1212 is provided on the wall of the second cavity 15. The light-transmitting hole 1212 is a through hole. One end of the light-transmitting hole 1212 communicates with the second cavity 15, and the other end of the light-transmitting hole 1212 communicates with the exterior of the second cavity 15. No light-guiding member, such as glass, transparent plastic, acrylic, or a diffuser, may be provided within the light-transmitting hole 1212.

[0072] The light-emitting portion 5 is disposed within the second cavity 15, and the light emitted by the light-emitting portion 5 can pass through the light-transmitting hole 1212 and exit the second cavity 15. Placing the light-emitting portion 5 within the second cavity 15 further increases the creepage distance between the light-emitting portion 5 and the first electrode 2, reducing the risk of creepage sparks. Furthermore, ions generated by the second electrode 3 are less likely to enter the second cavity 15 and, therefore, are less likely to be adsorbed and deposited on the light-emitting portion 5, thereby improving the electrical reliability of the light-emitting portion 5.

[0073] In an exemplary embodiment, the distance between the light emitting portion 5 and the light-transmitting hole 1212 is greater than or equal to 2 mm.

[0074] When the distance between the light-emitting portion 5 and the light-transmitting hole 1212 is large, the probability of the light-emitting portion 5 absorbing ions released by the second discharge electrode can be effectively reduced, thereby further improving the electrical reliability of the light-emitting portion 5 .

[0075] In one exemplary embodiment, the second cavity 15 includes a top wall and a bottom wall opposite the top wall. A light-transmitting hole 1212 is provided on the top wall of the second cavity 15. The light-emitting portion 5 is provided on the bottom wall of the second cavity 15, emitting light toward the light-transmitting hole 1212, resulting in high light extraction efficiency.

[0076] In an illustrative embodiment, as shown in Figure 3, the shell 1 includes a bottom cover 11 and a base 12. The bottom cover 11 and the base 12 are both made of insulating material. The bottom cover 11 includes a bottom plate 111, a cofferdam 112 and the above-mentioned mounting portion 114. The bottom plate 111 is configured as a flat plate, which may be a rectangular plate. The cofferdam 112 is configured as a cylindrical shape. The cross-section of the cofferdam 112 may be rectangular. One end of the cofferdam 112 is connected to the bottom plate 111, and the bottom plate 111 covers this end of the cofferdam 112. The mounting portion 114 is disposed in the cofferdam 112 and is connected to the bottom plate 111. The mounting portion 114 may be disposed in the middle area of ​​one end of the cofferdam 112 close to the bottom plate 111. The bottom plate 111, the cofferdam 112 and the mounting portion 114 may be an integrally formed structure.

[0077] The base 12 includes a base body 121 and a support 122. The base body 121 is configured as a shell-like structure. The base body 121 is connected to the bottom cover 11. The base body 121 is connected to the bottom cover 11, and the base body 121 and the bottom cover 11 can be connected by a snap-fit ​​connection. The base body 121 includes a top plate 1211. The top plate 1211 can be configured as a flat plate. The top plate 1211 covers the end of the cofferdam 112 facing away from the bottom plate 111. The top plate 1211 and the bottom plate 111 block the opposite ends of the cofferdam 112. The top plate 1211, the bottom plate 111 and the cofferdam 112 enclose a first cavity 14. The first mounting hole 1213 is provided in the area of ​​the top plate 1211 covering one end of the cofferdam 112, so that the first mounting hole 1213 is connected to the first cavity 14. The support 122 is configured as a columnar structure. One end of the support 122 is connected to the surface of the top plate 1211 facing away from the bottom plate 111 , and the other end of the support 122 is connected to the second electrode 3 . The support 122 supports the second electrode 3 .

[0078] The first cavity 14 is enclosed by the bottom cover 11 and the base 12. When assembling the air purification device 100, the first electrode 2 can be first installed on the installation portion 114 of the bottom cover 11, and then the base 12 can be assembled on the bottom cover 11, which makes assembly more convenient.

[0079] In one exemplary embodiment, as shown in FIG3 , two pillars 122 are provided, spaced apart from each other. A first mounting hole 1213 may be provided between the two pillars 122. The first electrode 2 extends into the area between the two pillars 122. The two pillars 122 connect opposite ends of the second electrode 3, respectively. The two pillars 122 collectively support the second electrode 3.

[0080] The second electrode 3 is connected to the base body 121 via two pillars 122 , so that the second electrode 3 is installed more firmly.

[0081] In an exemplary embodiment, the bottom cover 11 further includes a mounting platform 113 disposed outside the cofferdam 112. The mounting platform 113 is connected to the base plate 111. The mounting platform 113 may also be connected to the outer peripheral surface of the cofferdam 112. The distance between the end of the mounting platform 113 facing away from the base plate 111 and the base plate 111 is less than the distance between the end of the cofferdam 112 facing away from the base plate 111 and the base plate 111. The light-emitting portion 5 is disposed on the end of the mounting platform 113 facing away from the base plate 111. The light-emitting portion 5 and the mounting portion 114 may be bonded, clamped, screwed, or snap-fitted.

[0082] The base body 121 also includes side panels 1214. These extend from the edge of the top panel 1211 toward the bottom panel 111. The side panels 1214 may surround the top panel 1211. The end surface of the mounting platform 113 facing away from the bottom panel 111, the surface of the top panel 1211 facing the mounting platform 113, and the side surface of the cofferdam 112 near the mounting portion 114 enclose a second cavity 15. A light-transmitting hole 1212 is provided in the top panel 1211, extending through the top panel 1211 and communicating with the second cavity 15.

[0083] The second cavity 15 is enclosed by the bottom cover 11 and the base 12. When assembling the air purification device 100, the light-emitting unit 5 can be first installed on the mounting platform 113, and then the base 12 can be assembled on the bottom cover 11, which makes assembly more convenient.

[0084] In an exemplary embodiment, the base 12 further includes a mounting base 123. The mounting base 123 is connected to the top plate 1211. The mounting base 123 is disposed outside the region between the first electrode 2 and the second electrode 3. The mounting base 123 is provided with a second mounting hole 1231. The second mounting hole 1231 is disposed at an end of the mounting base 123 facing away from the bottom cover 11.

[0085] The ion generating assembly 7 also includes a third electrode 4. The third electrode 4 is disposed on the mounting base 123. The third electrode 4 can be disposed in the second mounting hole 1231. The third electrode 4 is a conductor. The third electrode 4 can be made of a metal, including one or more of stainless steel, copper, aluminum, tungsten, and molybdenum. The third electrode 4 can also be constructed as a carbon fiber bundle. A negative voltage is applied to the third electrode 4, and the third electrode 4 is configured to ionize the air to generate negative ions. The negative voltage applied to the third electrode 4 can be -2kV to -10kV.

[0086] The third electrode 4 is located outside the region between the first electrode 2 and the second electrode 3. The third electrode 4 can be disposed on one side of the first electrode 2 and spaced apart from the first electrode 2. The third electrode 4 is also spaced apart from the second electrode 3, and the distance between the second electrode 3 and the third electrode 4 is preferably greater than or equal to 10 mm. The distance between the third electrode 4 and the second electrode 3 is greater than the distance between the first electrode 2 and the second electrode 3.

[0087] The negative ions generated by the third electrode 4 combine with positively charged particles such as bacteria, viruses, and dust in the air, causing them to condense and settle, thereby reducing the number of fine particles such as bacteria, viruses, and dust in the air. The negative ions have a long diffusion distance and a wide range of action. The first electrode 2 and the second electrode 3 generate plasma to generate high-energy particles, which can not only effectively kill bacteria and viruses passing through the plasma area, but also effectively decompose and purify odors in the air. However, these high-energy particles are highly active, have a short lifespan, and have a limited range of action. Therefore, the plasma generated by the first electrode 2 and the second electrode 3 and the negative ions generated by the third electrode 4 complement each other, so that the air purification device 100 can not only diffuse negative ions into the air to achieve a large-scale sterilization effect, but also kill bacteria and viruses in the air passing through the air purification device 100 through plasma, while also having a deodorizing effect, thereby purifying the air and improving indoor air quality.

[0088] In an illustrative embodiment, as shown in Figures 3 and 4, the housing 1 further includes a protective cover 13. A vent 131 is provided on the protective cover 13. Multiple vents 131 may be provided. The protective cover 13 covers the top plate 1211 of the base 12. The protective cover 13 and the base 12 may be connected by a snap-fit ​​connection. The first mounting hole 1213 and the light-transmitting hole 1212 of the base 12 are both covered by the protective cover 13, and the first mounting hole 1213 and the light-transmitting hole 1212 are both within the coverage of the protective cover 13.

[0089] The first electrode 2 can extend through the first mounting hole 1213 of the base 12 and into the protective cover 13. The second electrode 3 and the support 122 are both located within the protective cover 13. The protective cover 13 prevents the human body from touching the first electrode 2 and the second electrode 3, thereby preventing cuts from the first electrode 2 or the second electrode 3, and also prevents electric shock from contact with the first electrode 2 or the second electrode 3.

[0090] The vent 131 of the protective cover 13 can allow light to pass through. When the light enters the protective cover 13 from the light-transmitting hole 1212, it can be emitted from the protective cover 13 through the vent 131. The vent 131 can also allow air and active substances such as ions, electrons, and free radicals to enter or leave the protective cover 13. The protective cover 13 can be constructed as a hollow structure, and the hollow structure can be a grille, a screen, or other hollow structures. The through holes formed by the hollow structure constitute the vent 131. The protective cover 13 can also be constructed as an arched plate, and the vents 131 are provided on both opposite sides of the protective cover 13. The air flow can flow into the protective cover 13 from the vent 131 on one side of the protective cover 13, and flow out of the protective cover 13 from the vent 131 on the other side of the protective cover 13. The air inside the protective cover 13 and the air outside the protective cover 13 can achieve convection through the vent 131, so that the active substances can diffuse to the outside of the protective cover 13 through the vent 131. The vent 131 of the protective cover 13 may be configured in a strip shape, and the extending direction of the vent 131 may be the same as the extending direction of the second electrode 3 .

[0091] In an exemplary embodiment, the second electrode 3 is spaced apart from the protective cover 13 , and the second electrode 3 does not contact the protective cover 13 .

[0092] In this way, when the ambient humidity is high, a water film will adhere to the surface of the protective cover 13, and the second electrode 3 will not contact the water film, preventing the water film from being pulled into the discharge distance between the first electrode 2 and the second electrode 3 and causing arcing and sparking between the first electrode 2 and the second electrode 3.

[0093] In an illustrative embodiment, as shown in FIG5 , the first electrode 2 includes a conductive base 22 and a conductive tip portion 21. The conductive base 22 is disposed in the inner cavity of the base 12 and is connected to the mounting portion 114 of the base 12. The conductive base 22 can be inserted into the mounting groove 1141 of the mounting portion 114. The conductive tip portion 21 is disposed on a side of the conductive base 22 close to the second electrode 3. The conductive tip portion 21 extends from the conductive base 22 toward the second electrode 3, and the conductive tip portion 21 is passed through the first mounting hole 1213 and extends into the protective cover 13. The end of the conductive tip portion 21 facing the second electrode 3 is a pointed end. The conductive tip portion 21 can be constructed as a structure with a small radius of curvature, such as a sawtooth shape, a needle shape, or a wire shape.

[0094] The second electrode 3 is constructed as a flat plate. One surface of the second electrode 3 faces the first electrode 2. A first injection hole 31 is provided on the second electrode 3. The first injection hole 31 is a through hole. The first injection hole 31 can have a centrally symmetrical shape, such as a circle, a square, or a hexagon. One end of the first injection hole 31 faces the conductive tip 21 of the first electrode 2, and the other end of the first injection hole 31 faces the top of the protective cover 13. The tip of the conductive tip 21 faces the first injection hole 31, and the tip of the conductive tip 21 is located on the central axis of the first injection hole 31. A second injection hole 132 is provided on the protective cover 13. The second injection hole 132 is a through hole. The second injection hole 132 is aligned with the first injection hole 31 in the direction of the tip of the conductive tip 21.

[0095] After such arrangement, the high-energy particles generated by the discharge of the first electrode 2 to the second electrode 3 are emitted in a beam shape toward the first injection hole 31 of the second electrode 3, and are ejected out of the air purification device 100 through the first injection hole 31 of the second electrode 3 and the second injection hole 132 of the protective cover 13 in turn, thereby increasing the diffusion range of the high-energy particles and improving the sterilization effect and the deodorization effect.

[0096] In an exemplary embodiment, the third electrode 4 is located outside the protective cover 13. The placement of the third electrode 4 outside the protective cover 13 prevents the third electrode 4 from being covered by the protective cover 13. The negative ions generated by the ionization of the air by the third electrode 4 diffuse onto the protective cover 13, causing negative charges to accumulate on the protective cover 13 and forming a counter electric field, thereby reducing the rate at which the third electrode 4 generates negative ions.

[0097] In an exemplary embodiment, the second electrode 3 is configured as a strip plate, and a plurality of first injection holes 31 are provided. The plurality of first injection holes 31 are sequentially arranged along the extension direction of the second electrode 3 .

[0098] The second injection holes 132 on the protective cover 13 are arranged in a strip-shaped hole. The extending direction of the cross section of the second injection hole 132 is the same as the extending direction of the second electrode 3. The plurality of first injection holes 31 are aligned with the second injection hole 132.

[0099] The conductive base 22 of the first electrode 2 is strip-shaped. The conductive base 22 extends in the same direction as the second electrode 3. Multiple conductive tips are provided, with the multiple conductive tip portions 21 arranged sequentially along the extension direction of the conductive base 22. The number of conductive tip portions 21 in the first electrode 2 is the same as the number of first injection holes 31, and the conductive tip portions 21 are arranged in a one-to-one correspondence with the first injection holes 31. The tip of each conductive tip portion 21 is located on the central axis of the corresponding first injection hole 31.

[0100] The multiple conductive tip portions 21 discharge simultaneously, which generates more plasma and has better sterilization and deodorization effects.

[0101] In another exemplary embodiment, the first injection hole 31 can be a strip-shaped hole, and the cross-section of the first injection hole extends in the same direction as the extension direction of the second electrode 3. The first electrode 2 includes a conductive base 22 connected to the base body 121 and a plurality of conductive tips 21 extending from the conductive base 22 toward the second electrode 3. The plurality of conductive tips 21 are arranged along the extension direction of the second electrode 3. The conductive tips 21 are provided with tips facing the first injection hole, and at least two tips face the same first injection hole. The protective cover 13 is provided with a second injection hole 132 leading to the first injection hole. The second injection hole 132 can extend along the extension direction of the second electrode 3. The cross-sectional length of the second injection hole 132 can be equal to the cross-sectional length of the first injection hole in the extension direction of the second electrode 3. The width of the second injection hole 132 in a direction perpendicular to the extension direction of the second electrode 3 can be less than or equal to the width of the first injection hole.

[0102] In an exemplary embodiment, a plurality of third electrodes 4 are provided. Two third electrodes 4 may be provided, and the two third electrodes 4 are respectively provided at opposite ends of the base body 121 . The protective cover 13 is located between the two third electrodes 4 .

[0103] The plurality of third electrodes 4 are all arranged outside the protective cover 13 , and the plurality of third electrodes 4 generate more negative ions, which have a more significant effect on dust reduction and sterilization of the air.

[0104] In one exemplary embodiment, the inner surface of the protective cover 13 is a mirrored surface. When light enters the protective cover 13 through the light-transmitting hole 1212, it can be reflected once or multiple times as it strikes the inner surface of the protective cover 13 before exiting the protective cover 13 through the vent 131. The protective cover 13 barely absorbs the light, and the light exiting the vent 131 is brighter.

[0105] In an exemplary embodiment, the surface of the second electrode 3 is covered with an insulating layer (not shown in the figure). The insulating layer covers the second electrode 3. The insulating layer can be an insulating paint coating, a plastic film layer, a silicone film layer, or a ceramic film layer.

[0106] Because the insulating layer completely covers the second electrode 3, it can completely isolate the second electrode 3 from the water film, completely eliminating arcing and sparking between the first electrode 2 and the second electrode 3. In some embodiments, the surface of the second electrode 3 facing the first electrode 2 is exposed; or the second electrode 3 is provided with an insulating layer, and the insulating layer covers the surface of the second electrode 3 facing the first electrode 211.

[0107] In this way, the insulating layer may also partially cover the second electrode 3 , thereby reducing the probability of arcing and sparking between the first electrode 2 and the second electrode 3 .

[0108] In an illustrative embodiment, the air purification device 100 further includes a power supply assembly 6. The power supply assembly 6 includes a high-voltage transformer and a plurality of wires. The high-voltage transformer includes a transformer, a rectifier electrically connected to the transformer, and an output port electrically connected to the rectifier. The transformer converts low-voltage alternating current into high-voltage alternating current and outputs it to the rectifier. The rectifier converts the high-voltage alternating current into high-voltage direct current. The output port includes a low-voltage output terminal and a high-voltage output terminal. The high-voltage direct current is output externally through the low-voltage output terminal and the high-voltage output terminal. The low-voltage output terminal is electrically connected to the second electrode 3 via a wire, and the potential output by the low-voltage output terminal is zero. The high-voltage output terminal is electrically connected to the first electrode 2 and the third electrode 4 via wires. Only one high-voltage output terminal can be provided, and the high-voltage output terminal outputs a negative high voltage with the same voltage to the first electrode 2 and the third electrode 4. Two high-voltage output terminals can also be provided, one high-voltage output terminal connected to the first electrode 2 via one wire, and the other high-voltage output terminal connected to the third electrode via another wire. The two high-voltage output terminals can output negative high voltages of different voltages, so that the negative high voltages applied to the first electrode 2 and the third electrode 4 have different voltages. The power supply assembly 6 is further provided with a weak current output terminal, which is electrically connected to the light emitting portion 5 via a wire. The power supply assembly 6 can output a weak current voltage to the light emitting portion 5 to power the light emitting portion 5.

[0109] In an exemplary embodiment, the light emitting portion 5 comprises a straight strip of light. The light-transmitting hole 1212 is configured as a strip of light. The extending direction of the cross section of the light-transmitting hole 1212 is parallel to the extending direction of the light strip.

[0110] In this way, the light emitted by the strip-shaped light strip is output through the strip-shaped light-transmitting holes 1212 , and has a higher brightness.

[0111] In another exemplary embodiment, as shown in FIG6 , the light-emitting unit 5 includes a lamp bead 51a and a reflector sheet 52a. Both the lamp bead 51a and the reflector sheet 52a are disposed within the second cavity 15. The lamp bead 51a is disposed on one side of the second cavity 15, while the reflector sheet 52a is disposed on the other side of the second cavity 15. The lamp bead 51a emits light toward the reflector sheet 52a. The reflector sheet 52a is tilted, with its reflective surface tilted toward the light-transmitting hole 1212.

[0112] In this way, the lamp bead 51 a emits light toward the reflective sheet 52 a . The light emitted by the lamp bead 51 a is reflected by the reflective sheet 52 a to the light-transmitting hole 1212 , and finally exits the second cavity 15 through the light-transmitting hole 1212 .

[0113] In another exemplary embodiment, as shown in FIG7 , the light-emitting unit 5 includes a lamp bead 51b and a reflective layer 52b. The reflective layer 52b is attached to the inner surface of the second cavity 15. The reflective layer 52b can be a reflective sticker or a reflective coating. The lamp bead 51b is disposed within the second cavity 15. The lamp bead 51b can be disposed on one side of the second cavity 15. The lamp bead 51b emits light toward the other side of the second cavity 15.

[0114] In this way, the light emitted by the lamp bead 51b can be reflected by the reflective layer 52b. The light emitted by the lamp bead 51b is reflected once or multiple times by the reflective layer 52b and enters the light-transmitting hole 1212, and then exits the second cavity 15 through the light-transmitting hole 1212.

[0115] In another exemplary embodiment, as shown in FIG8 , the light-emitting unit 5 includes a lamp bead 51c and a reflector 52c. The reflector 52c is disposed at the bottom of the second cavity 15. The reflector 52c may be a plastic member with a reflective material added thereto, such as TIO2. The distance from the side of the reflector 52c closer to the lamp bead 51c to the light-transmitting aperture 1212 is greater than the distance from the side of the reflector 52c farther from the lamp bead 51c to the light-transmitting aperture 1212. The lamp bead 51c emits light toward the reflector 52c.

[0116] In this way, the light emitted by the lamp bead 51c can be reflected by the reflector 52c, and the light emitted by the lamp bead 51c is reflected by the reflector 52c and enters the light transmission hole 1212, and then exits the second cavity 15 through the light transmission hole 1212.

[0117] As shown in FIG1 , air handling equipment 200 is capable of both intake and exhaust of air, and its air handling functions are not limited, for example, it may perform at least one of temperature control, humidification, purification, and circulation of the air. The air handling equipment 200 includes, but is not limited to, an air conditioner. Air handling equipment 200 may also be a purifier, a humidifier, a fan, and the like. Once the specific type of air handling equipment 200 is determined, those skilled in the art will be able to understand the configuration of the air handling functions implemented by the air handling equipment 200, and detailed description thereof will not be given here.

[0118] The air treatment equipment 200 includes a housing 203, a fan and the above-mentioned air purification device 100. The housing 203 is provided with an air inlet, an air outlet 202 and an air duct 201. The two ends of the air duct 201 are respectively connected to the air inlet and the air outlet 202. The fan is arranged in the air duct 201. The fan can be a cross-flow fan or a centrifugal fan. After the fan is started, it can drive the air in the air duct 201 to move from the air inlet to the air outlet 202, so that the air inlet draws air from the surrounding environment into the air duct 201, and the air flows through the air duct 201 and is then discharged into the surrounding environment from the air outlet 202. The air purification device 100 is arranged at the air inlet, in the air duct 201 or at the air outlet 202.

[0119] In an illustrative embodiment, the air purification device 100 is disposed in the air duct 201 , and the distance between the air purification device 100 and the air outlet 202 is no greater than 23 mm.

[0120] In this way, the distance between the air purification device 100 and the air outlet 202 is smaller, and the high-energy particles and negative ions generated by the air purification device 100 can enter the indoor space through the air outlet 202 as quickly as possible and diffuse in the indoor space, reducing the loss of high-energy particles and negative ions in the air duct 201, thereby further improving the sterilization efficiency of the indoor air.

[0121] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0122] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly specify the quantity of the technical features being referred to. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the features.

[0123] In the description of the present application, “a plurality of” means at least two, for example, two, three, etc., unless otherwise clearly and specifically defined.

[0124] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, "connected" can mean fixed connection, detachable connection, or integration; it can mean mechanical connection or electrical connection; it can mean direct connection or indirect connection through an intermediate medium; it can mean internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0125] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it can mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0126] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0127] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. An air purification device, wherein: include: The housing is insulating and has a first cavity with a first mounting hole on its wall, and a mounting portion is provided on an inner surface of the first cavity; a light emitting portion connected to the housing and disposed outside the first cavity; as well as, Ion generating assembly, including: A first electrode, connected to the mounting portion, extending from the first mounting hole into the first cavity without contacting an inner surface of the first mounting hole, and configured to apply a negative voltage; and a second electrode connected to the housing, disposed outside the first cavity, spaced apart from the first electrode, and configured to be connected to a reference ground; The first electrode and the second electrode are used together to ionize air to generate plasma, and the light-emitting portion is configured to emit light when the ion generating component ionizes air.

2. The air purification device according to claim 1, wherein Insulation material is filled in the first cavity.

3. The air purification device according to claim 1, wherein A distance between the first electrode and an inner surface of the first mounting hole is greater than or equal to 1 mm.

4. The air purification device according to claim 1, wherein The mounting portion is arranged on the bottom wall of the first cavity, and the first mounting hole is arranged on the top wall of the first cavity.

5. The air purification device according to any one of claims 1 to 4, wherein: The housing is further provided with a second cavity arranged on one side of the first cavity; A light-transmitting hole is provided on a wall surface of the second cavity, and the light-emitting portion is provided in the second cavity.

6. The air purification device according to claim 5, wherein: The distance between the light-emitting portion and the light-transmitting hole is greater than or equal to 2 mm.

7. The air purification device according to claim 5, wherein: The housing comprises: The bottom cover comprises a bottom plate, a cofferdam connected to the bottom plate at one end, and the mounting portion provided in the cofferdam, wherein the mounting portion is connected to the bottom plate; a base, comprising a base body and a support, wherein the base body comprises a top plate covering an end of the cofferdam facing away from the bottom plate, the top plate, the cofferdam, and the bottom plate enclosing the first cavity, and the first mounting hole being provided on the top plate; One end of the support is connected to a side of the top plate facing away from the cofferdam, and the other end is connected to the second electrode.

8. The air purification device according to claim 7, wherein: The base body further includes a side plate extending from an edge of the top plate toward the bottom plate; The bottom cover also includes a mounting platform connected to the outside of the cofferdam. The mounting platform, the side panels, the top panel, and the cofferdam enclose the second cavity. The light-emitting portion is disposed on the mounting platform, and the light-transmitting hole is disposed on the top panel.

9. The air purification device according to claim 7, wherein: The base further includes a mounting seat connected to the top plate, wherein the mounting seat is arranged outside the area between the first electrode and the second electrode; The ion generating assembly further comprises a third electrode connected to the mounting base, and the third electrode is used for ionizing air to generate negative ions.

10. The air purification device according to claim 9, wherein: The housing further comprises a protective cover provided with a vent, the protective cover covers the top plate, and the first mounting hole and the light-transmitting hole are located within the coverage of the protective cover; The first electrode extends into the protective cover, the second electrode is located in the protective cover, and the third electrode is arranged outside the protective cover.

11. The air purification device according to claim 10, wherein: There is a gap between the second electrode and the protective cover.

12. The air purification device according to claim 10, wherein: The second electrode is provided with a first injection hole, and the protective cover is provided with a second injection hole aligned with the first injection hole; The first electrode includes a conductive base connected to the mounting portion and a conductive tip extending from the conductive base toward the second electrode; The conductive tip portion is provided with a tip facing the first injection hole.

13. The air purification device according to claim 5, wherein: The light emitting portion includes a straight strip of light; The light-transmitting hole is configured as a strip-shaped hole, and an extending direction of a cross section of the light-transmitting hole is parallel to an extending direction of the light strip.

14. The air purification device according to claim 5, wherein: The light emitting portion includes a reflective sheet and a lamp bead emitting light toward the reflective sheet, wherein the lamp bead and the reflective sheet are respectively arranged on two opposite sides of the second cavity; The reflective sheet is configured to reflect the light emitted by the lamp beads to the light-transmitting hole.

15. The air purification device according to claim 5, wherein: The light emitting portion includes a lamp bead arranged in the second cavity and a reflective layer arranged on the inner surface of the second cavity.

16. The air purification device according to claim 5, wherein: The light emitting portion includes a reflector arranged at the bottom of the second cavity and a lamp bead arranged at one side of the second cavity; The lamp bead emits light toward the reflector, and the distance from the side of the reflector close to the lamp bead to the light-transmitting hole is greater than the distance from the side of the reflector away from the lamp bead to the light-transmitting hole.

17. An air treatment device, wherein: The invention comprises an air purification device according to any one of claims 1 to 16.

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