Air purification device

Abstract

The air purification device comprises a plurality of fan blades matched with the motor hub, the motor hub comprises a shell, a motor for driving the fan blades to rotate is arranged in the shell, the ultraviolet assembly is fixed to the mounting plate and the motor hub, the ultraviolet assembly is located between the mounting plate and the motor hub, and the ultraviolet assembly is fixed to the shell. The ultraviolet assembly is assembled by a lower assembly plate and an upper assembly plate, the ultraviolet assembly comprises a plurality of ultraviolet light-emitting elements, and the ultraviolet assembly is connected with the power supply device. According to the air purification device, the motor hub and the fan blades which are matched with each other are arranged, the ultraviolet assembly is arranged above the fan blades, and the partition plates are arranged at the two ends of the ultraviolet assembly to limit ultraviolet light within a certain range; when the device works, the motor hub drives the fan blades to rotate, meanwhile, the ultraviolet assembly starts to work, the fan blades drive surrounding air to flow, new air continuously passes through the ultraviolet light irradiation range, and therefore air in a whole room can be sterilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to an air purification device. BACKGROUND

[0002] Air hygiene is very important for protecting public health, maintaining a clean and sanitary environment, improving environmental comfort, and solving environmental problems. Air sterilization and disinfection treatment equipment includes HEPA filter equipment and ultraviolet equipment.

[0003] The ultraviolet equipment is divided into an "upper air sterilization device", which uses ultraviolet light to irradiate the upper part of the room and uses a baffle to separate the ultraviolet light to prevent it from irradiating the actors inside the room. However, due to the difficulty of automatic air circulation in the room, the main purpose of this device is to sterilize the upper air, and it cannot sterilize and disinfect the air in the entire room. Another type of ultraviolet equipment uses a fan to suck air into the device, where it is sterilized by ultraviolet light before being blown out of the device. This type of equipment does not pose a risk of ultraviolet radiation to the outside, but it is inefficient. SUMMARY

[0004] The utility model provides an air purification device.

[0005] The utility model solves the above technical problems by adopting the following technical scheme:

[0006] The air purification device comprises a plurality of fan blades cooperating with a motor hub, the motor hub comprises a shell, a motor for driving the fan blades to rotate is arranged in the shell, the ultraviolet assembly is fixed on the mounting plate and the motor hub, the ultraviolet assembly is located between the mounting plate and the motor hub, the ultraviolet assembly comprises a plurality of ultraviolet light emitting elements, the ultraviolet assembly and the power supply device are connected to each other, the ultraviolet light emitting elements can emit ultraviolet light, the air purification device is fixed on the ceiling through the mounting plate, a descending rod is arranged downward on the mounting plate, the descending rod extends downward to connect the ultraviolet assembly, the fan blades, the motor hub and the partition plate to the mounting plate.

[0007] Preferably, the descending rod comprises a telescopic extension pipe, a vertical arm is vertically arranged downward at the end of the mounting plate, the vertical arm and the mounting plate cooperate to form a mounting box, a supporting arm is arranged on the side edge of the mounting box, and the supporting arm connects the ultraviolet assembly, the fan blades, the motor hub and the partition plate to the mounting plate.

[0008] Preferably, the ultraviolet assembly is assembled by a lower assembly plate and an upper assembly plate, the lower assembly plate and the upper assembly plate are connected by a center assembly plate, the center assembly plate is connected at the edge of the upper assembly plate and the lower assembly plate, the motor hub is connected below the lower assembly plate, and the mounting plate, the descending rod and the supporting arm are connected above the upper assembly plate.

[0009] Preferably, the ultraviolet assembly is provided with at least two partitions, which are arranged on the upper and lower sides of the ultraviolet assembly respectively, the partitions comprise a top partition and a bottom partition, the top partition and the bottom partition are parallel to the fan blades, one or more intermediate partitions are arranged between the top partition and the bottom partition, and the partitions are provided with through holes.

[0010] Preferably, the air purification device is provided with a protective cover, the protective cover comprises a top protective cover support, vertical supports which are vertically connected to the edges of the protective cover support, and protective cover side walls which are arranged on the vertical supports.

[0011] Preferably, the center of the protective cover support is connected to the mounting plate and extends to both ends, the lengths of the two ends are the same, and the vertical supports are connected to the endpoints of the protective cover support; the protective cover side walls are provided with an open lower protective cover periphery and an upper protective cover periphery; the upper protective cover periphery is arranged above the ultraviolet assembly, the lower protective cover periphery is arranged between the bottom partition and the fan blades, and the protective cover surrounds the ultraviolet assembly as a whole; the protective cover side walls comprise opposite outer surfaces and inner surfaces, and the protective cover side walls can be connected to the vertical supports by using the outer surfaces or the inner surfaces.

[0012] Preferably, the inner sides of the protective cover side walls are provided with protective cover plates which extend inwardly on the inner sides of the protective cover side walls, and the protective cover plates are parallel to the blade planes.

[0013] Preferably, the air purification device is further provided with an inclination sensor, a motion sensor, a proximity sensor, a light sensor and a remote control receiver.

[0014] Preferably, the air purification device is further provided with a control unit, the control unit comprises a processor, an output / input interface, a radio module, a data storage and a memory, and the control unit is connected to the motor, the ultraviolet light emitting element, the inclination sensor, the motion sensor, the proximity sensor, the light sensor, the remote control receiver and the visible light emitting element through a local interface.

[0015] Preferably, the air purification device further comprises a dust cover which can prevent the partitions from being contaminated.

[0016] Compared with the prior art, the air purification device of the utility model is provided with the mutually cooperating motor hub and fan blades, and the ultraviolet assembly is arranged above the fan blades, the two ends of the ultraviolet assembly are provided with the partitions to limit the ultraviolet light within a certain range; when the device works, the fan blades are driven to rotate by the motor hub, the ultraviolet assembly starts to work at the same time, the fan blades drive the surrounding air to flow, and new air is constantly irradiated by the ultraviolet light, so that the air in the whole room can be sterilized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is the first side view of the air purification device.

[0018] Figure 2 It is the first top view of the air purification device.

[0019] Figure 3 It is the second side view of the air purification device.

[0020] Figure 4 It is the first side edge perspective view of the air purification device.

[0021] Figure 5 It is the second side edge perspective view of the air purification device.

[0022] Figure 6 It is the side edge partial view of the air purification device.

[0023] Figure 7 It is the second top view of the air purification device.

[0024] Figure 8 It is the third side view of the air purification device.

[0025] Figure 9 It is the fourth side view of the air purification device.

[0026] Figure 10 It is the first partial assembly view of the air purification device.

[0027] Figure 11 It is the second partial assembly view of the air purification device. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail below combining with the drawings.

[0029] As Figures 1-11 shown, the air purification device 100 includes a plurality of fan blades 11 cooperating with the motor hub 12, the fan blades 11 rotate in the blade plane 71 to drive the air to circulate in the air purification device 100, the ultraviolet assembly 30 is fixed on the mounting plate 13 and the motor hub 12, the ultraviolet assembly 30 is located between the mounting plate 13 and the motor hub 12, the ultraviolet assembly 30 includes a plurality of ultraviolet light emitting elements 31, the ultraviolet light emitting elements 31 can emit ultraviolet light 80, the air purification device 100 includes a plurality of partitions 60 cooperating with the ultraviolet assembly 30, and the partitions 60 limit the ultraviolet light 80 emitted by the ultraviolet light emitting elements 31 from exceeding the upper ultraviolet plane 72 and the lower ultraviolet plane 73, the upper ultraviolet plane 72 and the lower ultraviolet plane 73 are located above the blade plane 71.

[0030] The air purification device 100 is fixed to the ceiling by a mounting plate 13, the horizontal iron plate of the mounting plate 13 is provided with holes matched with bolts to fix the air purification device 100 to the ceiling, the end of the mounting plate 13 is vertically provided with a vertical arm 14, the vertical arm 14 cooperates with the mounting plate 13 to form a mounting box 15, the mounting plate 13 can be connected to the junction box for the installation of ceiling fan by T-shaped grid mounting support, or the mounting plate 13 can be directly connected to the ceiling. The room height requirement for allowing the installation of the air purification device 100 is generally that the fan blade 11 is higher than the head of the user by 2.2 meters.

[0031] The air purification device 100 further comprises a lowering rod 16 and a supporting arm 17, the lowering rod 16 and the supporting arm 17 connect the mounting plate 13 or the mounting box 15 with the ultraviolet assembly 30, the lowering rod 16 comprises an extension pipe, the extension pipe is structurally firm, the lowering rod 16 is arranged at the center of the mounting plate 13 and extends downward to connect the ultraviolet assembly 30, the fan blade 11, the motor hub 12 and the baffle 60 to the mounting plate 13, the supporting arm 17 is arranged at the side of the mounting box 15, is structurally firm and connects the ultraviolet assembly 30, the fan blade 11, the motor hub 12 and the baffle 60 to the mounting plate 13, the supporting arm 17 comprises a metal angle, a rod or a steel wire cable, the height between the air purification device 100 and the ceiling can be adjusted by the lowering rod 16 and the supporting arm 17, the lowering rod 16 is telescopic, when the height is changed, the supporting arm 17 changes the angle with the mounting box 15.

[0032] As shown in Figures 1-3 The air purification device 100 further comprises a dust cover 18 capable of preventing the baffle 60 from being stained with dust, the dust cover can be arranged in any shape or size.

[0033] The air purification device 100 comprises a motor hub 12 movably connected to the fan blade 11, the motor hub 12 comprises a housing, the housing is provided with a motor 45 driving the fan blade 11 to rotate, the motor hub 12 cooperates with the ultraviolet assembly 30 and the motor hub 12 is located below the ultraviolet assembly 30, the motor hub 12 is fixed with the ultraviolet assembly 30 and the motor hub 12 does not rotate with the fan blade 11, when the fan blade 11 rotates, the motor hub 12 and the motor 45 remain stationary, the motor hub 12 comprises the motor 45 to drive the fan blade 11 to rotate in a blade plane 71, the blade plane 71 is parallel to the ceiling and other components of the air purification device 100.

[0034] The motor 45 can include any type of electric motor, such as a brushed DC electric motor, a brushless DC electric motor, a switched reluctance electric motor, a universal electric motor, an AC multi-phase squirrel cage or wound rotor induction electric motor, an AC SCIM split-phase capacitor start motor, an AC SCIM split-phase capacitor run motor, an AC SCIM split-phase auxiliary start winding motor, an AC induction shaded pole motor, a wound rotor synchronous motor, a hysteresis motor, a synchronous motor reluctance motor, a pancake or axial rotor motor, a stepper motor, or any other type of electric motor.

[0035] The fan blades 11, which are rotated by the motor 45 in the blade plane 71, cause the air near the air purification device 100 to flow. The fan blades 11 can be of different types, i. straight fan blades; ii. curved fan blades, which are advantageous for increasing air flow and reducing noise; iii. sickle fan blades, which are advantageous for improving air flow and reducing turbulence; iv. swept fan blades, which are advantageous for increasing air flow and reducing noise; v. delta fan blades, which are advantageous for improving air flow and reducing noise; vi. propeller fan blades, which are advantageous for increasing air flow.

[0036] The air purification device 100 can be provided with a plurality of ultraviolet assemblies 30, and each ultraviolet assembly 30 can be provided with one or more ultraviolet light emitting elements 31. The ultraviolet assemblies 30 are connected to the power supply device for power supply of the ultraviolet light emitting elements 31. One or more ultraviolet light emitting elements 31 form an ultraviolet assembly 30, which is arranged between the motor hub 12 and the mounting plate 13. Typically, the ultraviolet assembly 30 is composed of four ultraviolet light emitting elements 31.

[0037] The shape and size of the ultraviolet assembly 30 can be set according to requirements. The ultraviolet assembly 30 can be assembled by a lower assembly plate 32 and an upper assembly plate 33. The lower assembly plate 32 and the upper assembly plate 33 are connected by a central assembly plate 34, which is connected to the edges of the upper assembly plate 33 and the lower assembly plate 32, and plays a role of connection and support. The central assembly plate 34 can also reflect ultraviolet light to a farther distance. The motor hub 12 is connected below the lower assembly plate 32, and the mounting plate 13, the descending rod 16 and the support arm 17 are connected above the upper assembly plate 33.

[0038] The ultraviolet light emitting elements 31 are connected to an electronic ballast 35, which is connected to the lower assembly plate 32 or the central assembly plate 34 or the ultraviolet assembly 30, and provides power for the ultraviolet light emitting elements 31. The electronic ballast 35 is connected in series as a resistor in the circuit, and is used to adjust the voltage and current of different types of bulbs in different working stages.

[0039] The ultraviolet light emitting element 31 can emit ultraviolet germicidal radiation, with a wavelength of 100-280 nanometers, and can include any lamp that emits ultraviolet light, including LED lamps, 2-pin, 4-pin, twist-in, T5 2-pin, plug-in compact, etc.

[0040] The air purification device 100 is provided with a baffle 60 parallel to the blade plane 71, which can guide the emission direction of the ultraviolet light and also block part of the ultraviolet light. The baffle 60 can be made of a material resistant to ultraviolet light or coated with an ultraviolet-resistant coating. The baffle can also be made of a material that is resistant to ultraviolet light wavelengths, including black zinc oxide, titanium dioxide, and other organic materials.

[0041] When the air purification device 100 is provided with at least two baffles 60, including a top baffle 60A and a bottom baffle 60B, the top baffle 60A is arranged above the bottom baffle 60B and closer to the mounting plate 13. The top baffle 60A and the bottom baffle 60B are arranged on the upper and lower sides of the ultraviolet assembly 30. The ultraviolet light 80 emitted by the ultraviolet assembly 30 is blocked between the top baffle 60A and the bottom baffle 60B, forming an upper ultraviolet plane 72 and a lower ultraviolet plane 73. The ultraviolet light 80 cannot shine on the baffle upper surface 63 of the top baffle 60A or the baffle lower surface 62 of the bottom baffle 60B, and cannot shine on the upper ultraviolet plane 72 and the lower ultraviolet plane 73. One or more intermediate baffles 60C can be installed between the top baffle 60A and the bottom baffle 60B. The distance between the baffle lower surface 62 and the baffle upper surface 63 of two adjacent baffles 60 is between 0.1 inches and 10 inches, and can be set to 1 cm to 20 cm.

[0042] The shape and size of the baffle 60 can be set according to requirements, and is generally set as a flat plate. The baffles 60 are parallel to each other, with a parallel error of up to plus or minus ten degrees. The baffles 60 of the air purification device 100 can be set in any number and distance between the baffles 60. The baffle lower surface 62 and the baffle upper surface 63 of adjacent baffles 60 are parallel to each other, with a parallel error of up to plus or minus ten degrees.

[0043] The baffle 60 is provided with a through hole 61 in the middle, and the baffle 60 is sleeved on the ultraviolet assembly 30 through the through hole 61. Each baffle 60 includes a baffle lower surface 62 and a baffle upper surface 63, which are parallel to the blade plane 71.

[0044] The upper ultraviolet plane 72 is bounded by the lower partition surface 62 of the top partition 60A, and the lower ultraviolet plane 73 is bounded by the upper partition surface 63 of the bottom partition 60B. 99% of the ultraviolet rays 80 are located between the upper ultraviolet plane 72 and the lower ultraviolet plane 73. The upper ultraviolet plane 72 and the lower ultraviolet plane 73 are parallel to the blade plane 71 within a positive or negative ten-degree error. The upper partition surface 63 of the bottom partition 60B limits the ultraviolet rays 80 to the lower ultraviolet plane 73, preventing direct viewing or contact with the ultraviolet rays 80. The lower partition surface 62 of the top partition 60A limits the ultraviolet rays 80 to the upper ultraviolet plane, preventing the ultraviolet rays 80 from directly irradiating the ceiling, causing damage to the ceiling, or irradiating the fire sprinkler heads on the ceiling, causing light reflection to the active area of the room.

[0045] A protective cover 20 is provided above the air purification device 100. The protective cover 20 includes a top protective cover support 23, a vertical support 24 connected to the edges of the protective cover support 23, and a protective cover side wall 25 installed on the vertical support 24. The protective cover support 23, the vertical support 24, and the protective cover side wall 25 can be made of fiber, foam, plastic, or metal.

[0046] The number of protective cover supports 23 can be designed according to actual conditions. The protective cover support 23 is a rigid structure, with its center connected to the mounting plate 13 and extending to both ends with equal lengths. The protective cover support 23 is connected to the vertical support 24 at its endpoints, and the vertical support 24 is also a rigid structure. The protective cover support 23 can also be connected to the vertical wall 14, the ultraviolet assembly 30, or other components of the air purification device 100.

[0047] The number and shape of the protective cover side wall 25 can be set according to specific conditions. The protective cover side wall 25 can be shaped as a cylinder, an octagon, or a triangular prism, etc. The protective cover side wall 25 is provided with an open protective cover lower perimeter 27 and a protective cover upper perimeter 26. The distance from the center of the protective cover 20 to the protective cover lower perimeter 27 can be greater than or less than the length of the fan blade 11. The protective cover upper perimeter 26 is located above the ultraviolet assembly 30, and the protective cover lower perimeter 27 is located between the bottom partition 60B and the fan blade 11. The protective cover 20 as a whole surrounds the ultraviolet assembly 30, and the ultraviolet rays 80 cannot penetrate the protective cover 20. The protective cover side wall 25 includes opposite outer surfaces 22 and inner surfaces 21. The protective cover side wall 25 can be connected to the vertical support 24 using the outer surfaces 22 or the inner surfaces 21.

[0048] The shroud side wall 25 can be made of rigid materials such as plastic, aluminum or other metals; the shroud side wall 25 can also be made of elastic materials, which can be folded for easy storage, packaging and transportation. The inner surface 21 and the outer surface 22 of the shroud side wall 25, the shroud support 23 and the vertical support 24 are coated with ultraviolet-absorbing materials to prevent ultraviolet light 80 from emitting outside the shroud 20.

[0049] There are gaps between the shroud 20 and the partition 60. When the fan blade 11 is working, the air in these gaps will exchange with the air between the upper shroud periphery 26 and the lower shroud periphery 27, and the air will enter from the upper shroud periphery 26 and exit from the lower shroud periphery 27, so that the exchanged air will be subjected to sterilization by the ultraviolet light 80.

[0050] As shown in Figure 9 The shroud 20 includes a shroud top wall 28 and a shroud bottom wall 29. The shroud top wall 28 is arranged on the inner side of the shroud support 23. The shroud top wall 28 can be arranged inside the upper shroud periphery 26, connected with the upper shroud periphery 26, or even extended to the outside of the upper shroud periphery 26. The shroud bottom wall 29 can be arranged inside the lower shroud periphery 27, connected with the lower shroud periphery 27, or even extended to the outside of the lower shroud periphery 27. However, air can still flow. The shroud top wall 28 and the shroud bottom wall 29 are coated with ultraviolet-absorbing materials.

[0051] One or more shroud plates 65 are arranged on the inner side of the shroud side wall 25. The shroud plates 65 extend inwardly on the inner side of the shroud side wall 25. The shape and size of the shroud plates 65 can be set according to actual needs. The shroud plates 65 are parallel to the blade plane 71, and are used to guide and limit the irradiation direction of the ultraviolet light 80. The shroud plates 65 are coated with a coating layer of ultraviolet-resistant or anti-reflective materials.

[0052] The air purification device 100 is also provided with an inclination sensor 41, which includes one or more inclination switches 41A. The inclination switches 41A are arranged on the upper end of the ultraviolet assembly 30 and connected with the ultraviolet assembly 30. The inclination switches 41A include a metal ball. When the air purification device 100 reaches a certain set inclination angle, the metal ball will move, thereby generating an electrical signal to interrupt the electrical communication, such as stopping the operation of the fan blade 11 and turning off the ultraviolet light-emitting element 31. Figure 6 As shown in

[0053] A motion sensor 42 is arranged at the lower end of the motor hub 12; a visible light emitting element 47 can be arranged between the motion sensor 42 and the motor hub 12, the wavelength of the light emitted by the visible light emitting element 47 is 400-700 nm; the motion sensor 42 can be a passive infrared motion sensor, a microwave motion sensor, an ultrasonic motion sensor, a tomographic motion sensor, etc. The motion sensor 42 can sense the motion condition near the air purification device 100, the sensing range is within 100 feet, when the motion sensor 42 senses that there is a motion condition, the fan blades 11 and the ultraviolet assembly 30 will be turned on or off.

[0054] The air purification device 100 is also provided with a proximity sensor 43, which can measure the distance between the human body or objects, when the human body or objects approach a certain range of the device, the range is within 100 feet, the proximity sensor 43 will send a signal to stop the operation of the ultraviolet assembly 30 and the fan blades 11.

[0055] The air purification device 100 is also provided with a light sensor 44, which can convert light signals into electronic signals, when the light sensor 44 detects that the ambient light intensity is greater than the set threshold value, it will send a signal to stop the operation of the ultraviolet light emitting element 31 and the fan blades 11; when the light sensor 44 detects that the ambient light intensity is less than the set threshold value, it will send a signal to start the operation of the ultraviolet light emitting element 31 and the fan blades 11; the minimum value of the set threshold value is 100-300 LUX, and the maximum value is 800-1700 LUX.

[0056] The air purification device 100 is also provided with a remote control receiver 46, which is arranged on the center assembly plate 34; the remote control receiver 46 can enable the user to remotely control the device through wireless network, Bluetooth, etc.

[0057] The upper assembly plate 33 can be connected to a control unit 50, such as Figure 11As shown, the control unit 50 includes a processor 51, an input / output interface 52, a radio module 53, a data storage 54 and a memory 55, the control unit 50 is connected with the motor 45, the ultraviolet light emitting element 31, the tilt sensor 41, the motion sensor 42, the proximity sensor 43, the light sensor 44, the remote control receiver 46 and the visible light emitting element 47 through a local interface 58, and can control the tilt sensor 41, the motion sensor 42, the proximity sensor 43, the light sensor 44 and the remote control receiver 46 to turn on or off the operation of the motor 45, the ultraviolet light emitting element 31, the fan blade 11 and the visible light emitting element 71; the tilt sensor 41, the motion sensor 42, the proximity sensor 43, the light sensor 44 and the remote control receiver 46 can also individually control the operation of the motor 45, the ultraviolet light emitting element 31, the fan blade 11 and the visible light emitting element 71 to turn on or off.

[0058] The processor 51 is a hardware device for executing software instructions, when the control element 50 works, the processor 51 communicates data with the memory 55, and controls the air purification device 100 as a whole according to the software instructions stored in the memory 55 or the instructions received by other electronic elements.

[0059] The input / output interface 52 can provide user input and display data from the device system output. The input / output interface 52 includes button, knob and switch light structure, the user can set specific mode through the input / output interface 52.

[0060] The radio module 53 can realize wireless communication with external access equipment or network, which can be realized through any wireless communication mode, including WIFI, Bluetooth, cellular data, etc.

[0061] The data storage 54 is used for storing data. The data storage 54 can be composed of volatile memory elements, can be composed of non-volatile memory elements, or can be composed of a combination of volatile memory elements and non-volatile memory elements. The data storage 54 can be combined with electronic, magnetic, optical or other types of storage media.

[0062] The memory 55 stores one or more software instructions, and the memory 55 can be composed of volatile memory elements, or non-volatile memory elements, or a combination of both. The memory 55 can incorporate electronic, magnetic, optical, or other types of storage media. The memory 55 includes an operating system 56 and a program 57. The operating system 56 is used to control the execution of the input / output interface 52 and other electronic element functions. The operating system 56 can be linux, android, ios, etc. The program 57 includes various application programs, additional components, etc.; the program 57 contains instructions for controlling the motor 45 and the ultraviolet assembly 30.

[0063] The implementation of each instruction action of the device can be performed by a specific circuit combination, such as an application-specific integrated circuit, or by one or more processors executing program instructions, or by a combination of the two.

[0064] The control unit 50 can also include a main memory for storing temporary variables or other intermediate information during the execution of the processor 51 instruction device; the control unit 50 can also include a read-only memory or other static storage device for storing static information and instructions of the processor 51.

[0065] The air purification device of the utility model sets up mutually coordinated motor hub 12 and fan blade 11, and sets up ultraviolet assembly 30 above fan blade 11, and the both ends of ultraviolet assembly 30 are provided with baffle to limit ultraviolet light 80 within a certain range;When the device works, the motor hub 12 drives the fan blade 11 to rotate while the ultraviolet assembly 30 starts to work, the fan blade 11 drives the surrounding air to flow, and new air is constantly irradiated in the range of ultraviolet light 80, so that the air in the whole room can be sterilized.

[0066] Finally, it should be noted that: the above examples only illustrate the technical solutions of the utility model, but not limit them;Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features;And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An air cleaning device (100) comprising a plurality of fan blades (11) cooperating with a motor hub (12), said motor hub (12) comprising a housing, said housing housing a motor (45) for driving rotation of the fan blades (11), characterized in that, The ultraviolet assembly (30) is fixed on the mounting plate (13) and the motor hub (12), and is located between the mounting plate (13) and the motor hub (12). The ultraviolet assembly (30) comprises a plurality of ultraviolet light emitting elements (31) capable of emitting ultraviolet light (80). The ultraviolet assembly (30) is connected to the power supply device. The air purification device (100) is fixed on the ceiling through the mounting plate (13). The mounting plate (13) is provided with a descending rod (16) downward. The descending rod (16) extends downward to connect the ultraviolet assembly (30), the fan blade (11), the motor hub (12) and the partition plate (60) to the mounting plate (13).

2. The air purification device of claim 1, wherein, The descending rod (16) comprises a telescopic extension pipe. The end of the mounting plate (13) is provided with a vertical arm (14) downward. The vertical arm (14) cooperates with the mounting plate (13) to form a mounting box (15). The side of the mounting box (15) is provided with a support arm (17). The support arm (17) connects the ultraviolet assembly (30), the fan blade (11), the motor hub (12) and the partition plate (60) to the mounting plate (13).

3. The air purification device of claim 1, wherein, The ultraviolet assembly (30) is assembled by a lower assembly plate (32) and an upper assembly plate (33). The lower assembly plate (32) and the upper assembly plate (33) are connected by a center assembly plate (34) connected at the edges of the upper assembly plate (33) and the lower assembly plate (32). The motor hub (12) is connected below the lower assembly plate (32). The mounting plate (13), the descending rod (16) and the support arm (17) are connected above the upper assembly plate (33).

4. The air purification device of claim 1, wherein, The ultraviolet assembly (30) is provided with at least two partition plates (60) arranged on the upper and lower sides of the ultraviolet assembly (30). The partition plate (60) comprises a top partition plate (60A) and a bottom partition plate (60B). The partition plate (60) is parallel to the fan blade (11). One or more intermediate partition plates (60C) are installed between the top partition plate (60A) and the bottom partition plate (60B). The partition plate (60) is provided with a through hole (61) in the middle. The partition plate (60) is sleeved on the ultraviolet assembly (30) through the through hole (61).

5. The air purification device of claim 1, wherein, The upper part of the air purification device (100) is provided with a protective cover (20). The protective cover (20) comprises a top protective cover bracket (23), a vertical bracket (24) vertically connected to the edge of the protective cover bracket (23), and a protective cover side wall (25) installed on the vertical bracket (24).

6. The air purification device of claim 5, wherein, The shroud support (23) is connected with the mounting plate (13) at the center and extends to both ends with the same length, and a vertical support (24) is connected at the end of the shroud support (23); the shroud side wall (25) is provided with an open shroud lower periphery (27) and a shroud upper periphery (26); the shroud upper periphery (26) is arranged above the ultraviolet assembly (30), the shroud lower periphery (27) is arranged between the bottom partition plate (60B) and the fan blade (11), and the shroud (20) as a whole surrounds the ultraviolet assembly (30); the shroud side wall (25) comprises opposite outer surfaces (22) and inner surfaces (21), and the shroud side wall (25) can be connected to the vertical support (24) by using the outer surfaces (22) or the inner surfaces (21).

7. The air purification device of claim 5, wherein, The inner side of the shroud side wall (25) is provided with a shroud plate (65) extending inwardly on the inner side of the shroud side wall (25), and the shroud plate (65) is parallel to the blade plane (71).

8. The air purification device of claim 1, wherein, The air purification device (100) is further provided with an inclination sensor (41), a motion sensor (42), a proximity sensor (43), a light sensor (44) and a remote control receiver (46).

9. The air purification device of claim 1, wherein, The air purification device (100) is further provided with a control unit (50) comprising a processor (51), an output / input interface (52), a radio module (53), a data storage (54) and a memory (55), and the control unit (50) is connected with the motor (45), the ultraviolet light-emitting element (31), the inclination sensor (41), the motion sensor (42), the proximity sensor (43), the light sensor (44), the remote control receiver (46) and the visible light-emitting element (47) through a local interface (58).

10. The air purification device of any of claims 1-9, wherein, The air purification device (100) further comprises a dust cover (18) capable of preventing the partition plate (60) from being contaminated.

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