CN216868748U - Air purifying device - Google Patents

Abstract

The utility model relates to the technical field of air purification, and provides an air purification device which comprises a main body structure, a filtering component, an air extraction element and a sound generator, wherein a purification cavity is arranged in the main body structure; the filter component covers the air inlet hole group; the air extracting element is arranged in the purifying cavity and used for guiding the gas in the surrounding environment to sequentially pass through the gas inlet hole group, the filtering assembly, the purifying cavity and the gas outlet hole group; the sound generator is mounted to the body structure. The air purification device provided by the utility model has the beneficial effects that: the sound generator makes sound under the electric energy support of the power supply assembly and the control of the control assembly, so that the air purification device has a playing function, the technical problem that the existing air purification device is single in function is solved, and the function of the air purification device is enriched.

Description

Air purifying device

Technical Field

The utility model relates to the technical field of air purification, in particular to an air purification device.

Background

The air purifying device is also called an air cleaner, an air freshener, an air purifier or the like, and is a product capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5 particles, dust, pollen, peculiar smell, formaldehyde and other decoration pollutants, bacteria, allergens and the like) and effectively improving the air cleanliness.

The air purification device in the prior art can only purify air, and has the problem of single function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air purification device, and aims to solve the technical problem that the existing air purification device is single in function.

In order to achieve the purpose, the utility model adopts the technical scheme that: an air purification device comprising:

the main body structure is provided with a power supply assembly and a control assembly, a purification cavity is arranged in the main body structure, and the main body structure is also provided with an air inlet hole group and an air outlet hole group which are respectively communicated with the purification cavity;

a filter assembly mounted within the body structure, the filter assembly covering the set of air inlet holes;

the air extracting element is arranged in the purifying cavity and is used for guiding the gas in the surrounding environment to sequentially pass through the air inlet hole group, the filtering assembly, the purifying cavity and the air outlet hole group;

the sound generator is arranged on the main body structure, the sound generator is respectively electrically connected with the power supply assembly and the control assembly, the power supply assembly is used for providing electric energy for the sound generator and the control assembly, and the control assembly is used for controlling the sound generator to make sound.

In one embodiment, the control component is configured with a function of storing white noise, and the control component controls the sound generator to emit the white noise.

In one embodiment, the main body structure is provided with a sound outlet communicated with the purifying cavity, the sound generator is arranged in the purifying cavity, and the sound generator covers the sound outlet.

In one embodiment, the main structure includes an upper shell and a lower shell, a first opening is opened at the top end of the lower shell, the air inlet set is opened on the side wall of the lower shell, the filter assembly is accommodated in the inner cavity of the lower shell, the upper shell covers the first opening, the inner cavity of the upper shell is communicated with the inner cavity of the lower shell to form the purification cavity, the air outlet set is opened at the front end of the upper shell, the sound outlet is opened at the rear end of the upper shell, the air pumping element is accommodated in the inner cavity of the upper shell, and the air pumping element is located between the air outlet set and the sound outlet.

In one embodiment, the air purification device further comprises an atomizer, a sealing plug and a solution tank, the solution tank is accommodated in the inner cavity of the upper shell, the top end of the solution tank is connected to the top end of the upper shell in a sealing manner, the top end of the upper shell is provided with a liquid supplementing port and a mist outlet which are respectively communicated with the solution tank, the sealing plug is detachably and hermetically mounted on the liquid supplementing port, and the atomizer is mounted in the solution tank and covers the mist outlet.

In one embodiment, the atomizer includes atomizing piece, atomizing support, pipe, drain and spring, the atomizing piece pass through atomizing support fixed mounting in the top of epitheca, and the closing cap go out the fog mouth, the first end of pipe install in atomizing support, the second end of pipe extends to the bottom of solution tank, and has the inlet, the first end of drain leans on the atomizing piece, the second end warp of drain the pipe extends to the inlet, the spring install in the pipe, and to the second end of drain applys elasticity.

In one embodiment, the main body structure further comprises a base, the lower casing is supported on the top end of the base, and the power supply assembly and the control assembly are both mounted on the base.

In one embodiment, the main body structure further includes a thrust bearing and a driving component, the driving component is mounted on the base, the driving component is electrically connected to the control component and the power supply component, respectively, and the driving component is connected to the lower shell to drive the lower shell to rotate; the thrust bearing is arranged between the base and the lower shell, and the thrust bearing is used for supporting the lower shell so that the lower shell is in clearance fit with the base.

In one embodiment, the air purification device further comprises a negative ion generator, the negative ion generator is installed in the purification cavity, and the negative ion generator is electrically connected with the power supply assembly and the control assembly respectively.

In one embodiment, the discharge assembly of the negative ion generator faces the air outlet hole group.

The air purification device provided by the utility model has the beneficial effects that: the air exhaust element works to guide the gas of the surrounding environment to sequentially pass through the gas inlet hole group, the filtering component, the purifying cavity and the gas outlet hole group to filter and purify the gas, and meanwhile, the sound generator makes a sound under the electric energy support of the power supply component and the control of the control component, so that the air purifying device has a playing function, the technical problem that the existing air purifying device is single in function is solved, and the function of the air purifying device is enriched.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an external shape of an air purification apparatus according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an exploded view of the upper housing portion of FIG. 2;

FIG. 4 is a schematic structural view of the upper housing portion of FIG. 3;

FIG. 5 is a further perspective view of the upper housing portion of FIG. 4;

FIG. 6 is a cross-sectional view of the upper shell portion of FIG. 5 taken along line A-A;

fig. 7 is a cross-sectional view of the upper housing portion of fig. 5 taken along line B-B.

Wherein, in the figures, the respective reference numerals:

100. a body structure; 101. a power supply component; 102. a control component; 103. a purification chamber; 104. a group of intake ports; 105. a gas outlet hole group; 106. a sound outlet;

110. an upper shell; 111. a fluid infusion port; 112. a mist outlet; 113. a second opening; 114. a third opening; 115. a second control button;

120. a lower case; 121. a first opening;

130. a base; 131. a first control button;

140. a thrust bearing;

150. a drive assembly;

160. a cover plate;

200. a filter assembly;

300. an air extraction element; 310. a fan body; 320. a fan bracket; 321. a support leg;

400. a sound generator;

510. an atomizer; 511. an atomizing sheet; 512. an atomizing support; 513. a conduit; 514. a liquid guiding member; 515. a spring; 516. a liquid inlet; 520. a sealing plug; 530. a solution tank;

600. a negative ion generator; 610. and a discharge assembly.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this embodiment, referring to fig. 1, Z represents a height direction, and an arrow direction of reference sign Z represents a direction from a bottom end to a top end. X denotes the front-rear direction, and the arrow direction of reference X denotes the direction from the front end to the rear end.

Referring to fig. 1 and 2, an air cleaning apparatus according to an embodiment of the present invention will now be described.

The air cleaning apparatus includes a main body structure 100, a filter assembly 200, an air extracting member 300, and a sound generator 400.

The main body structure 100 has a cleaning chamber 103 inside, and the main body structure 100 further has an inlet hole set 104 and an outlet hole set 105 respectively communicating with the cleaning chamber 103. The body structure 100 mounts a power supply component 101 and a control component 102. The power supply unit 101 is used to supply power to the electrical components in the air purification apparatus. The power supply assembly 101 may communicate with an external power source through an interface. The power supply assembly 101 may be selected as a three-outlet power module or a battery module. The control assembly 102 is used for controlling the operation of various electrical components in the air purification apparatus.

The sound generator 400 is mounted on the main body structure 100, the sound generator 400 is electrically connected to the power supply module 101 and the control module 102, respectively, the power supply module 101 is used for supplying electric power to the sound generator 400 and the control module 102, and the control module 102 is used for controlling the sound generator 400 to emit sound.

Thus, the sound generator 400 makes sound under the electric energy support of the power supply assembly 101 and the control of the control assembly 102, so that the air purification device has a playing function, the technical problem of single function of the existing air purification device is solved, and the functions of the air purification device are enriched.

Specifically, the sound generator 400 is a speaker, a horn, or a loudspeaker.

Specifically, the control component 102 is configured with a function to store white noise. For example, the control component 102 is configured with memory. The control assembly 102 controls the sound generator 400 to emit white noise. The sound generator 400 can generate white noise (white noise) to facilitate hypnosis and improve the quality of sleep of the user.

It will be appreciated that the sound generator 400 may also provide dynamic noise cancellation. Specifically, the sound generator 400 is internally provided with a collector, the collector is used for picking up the operation noise and producing a noise audio signal, the noise audio signal is sent to the control component 102 for calculation and analysis, the control component 102 generates an anti-sound noise signal, the anti-sound noise signal is sent to the sound generator 400, the sound generator 400 plays the anti-sound noise, and the played anti-sound noise and the operation noise are destructively interfered, so that the effects of noise elimination and noise reduction are achieved.

It will be appreciated that in other embodiments the sound generator 400 is also used to emit running water, humming or soothing music to relax the user and get a good rest for the body.

Specifically, referring to fig. 2, 5 to 7, the main body structure 100 has a sound outlet 106 communicating with the purification chamber 103, and the sound generator 400 is installed in the purification chamber 103. The sound generator 400 covers the sound outlet holes 106 to prevent the gas in the purification chamber 103 from leaking out of the sound outlet holes 106, while the sound outlet part of the sound generator 400 is aligned with the sound outlet holes 106, and the sound outlet holes 106 are dedicated to the sound signals of the sound generator 400 to prevent the sound signals from being transmitted through the air outlet hole group 105.

The filter assembly 200 is mounted within the body structure 100, and the filter assembly 200 covers the inlet set 104. The filter assembly 200 has through holes through which gas flows, but the through holes have a small diameter and cannot allow fine cases such as dust to pass through. Specifically, the filter assembly 200 is a high efficiency filter screen.

The pumping element 300 is installed in the purification chamber 103, and the pumping element 300 is used for guiding the ambient gas to pass through the inlet set 104, the filter assembly 200, the purification chamber 103 and the outlet set 105 in sequence. When the air flows through the filter assembly 200, dust, bacteria, etc. in the air are intercepted by the filter assembly 200, thereby realizing the filtration and purification of the air. In particular, the air extraction element 300 is a negative pressure pump or a fan.

With continued reference to fig. 1 and 2, the body structure 100 includes an upper shell 110 and a lower shell 120. The top end of the lower casing 120 is provided with a first opening 121, the air inlet set 104 is provided on the side wall of the lower casing 120, and the filter assembly 200 is accommodated in the inner cavity of the lower casing 120. Specifically, the air inlet set 104 is distributed around the sidewall of the lower shell 120 to realize 360 ° air inlet, and the filter assembly 200 is cylindrical and arranged around the inside of the lower shell 120 to fit the air inlet set 104. The upper shell 110 is covered on the first opening 121, and the inner cavity of the upper shell 110 is communicated with the inner cavity of the lower shell 120 to form the purification cavity 103. Specifically, the bottom end of the upper shell 110 is provided with a second opening 113, so that when the upper shell 110 is covered on the first opening 121, the inner cavity of the upper shell 110 is communicated with the inner cavity of the lower shell 120 to form the purification cavity 103. The front end of the upper shell 110 is provided with an air outlet group 105. Specifically, the front end of the upper shell 110 is opened with a third opening 114. The main body structure 100 further includes a cover plate 160 covering the third opening 114, the cover plate 160 is detachably mounted on the upper casing 110, and the cover plate 160 has the air outlet set 105.

Air purification principle of the air purification device: the air-extracting element 300 generates a negative pressure in the inner cavity of the upper housing 110, the negative pressure sucks air carrying dust, bacteria and the like from the air inlet hole group 104 of the lower housing 120 into the purifying chamber 103, the air carrying dust, bacteria and the like is filtered to become clean air after passing through the filter assembly 200 under the driving of the negative pressure, and the clean air is finally returned to the external environment through the air outlet hole group 105 of the upper housing 110 under the driving of the air-extracting element 300.

Referring to FIG. 3, the pumping element 300 is fixed on the cover plate 160. Specifically, the air extracting element 300 includes a fan body 310 and a fan support 320, wherein the fan body 310 is rotatably connected to the fan support 320, a plurality of support legs 321 are disposed on the fan support 320, and the support legs 321 are mounted on the cover plate 160 through fasteners, which is beneficial to simplifying the internal structure of the upper casing 110, reducing the obstruction of air flowing, and further reducing the noise generated when the air cleaning device operates.

In this embodiment, referring to fig. 5 and 7, the rear end of the upper shell 110 is provided with a sound outlet 106. The air-extracting element 300 is accommodated in the inner cavity of the upper shell 110, and the air-extracting element 300 is located between the air outlet set 105 and the sound outlet 106. The sound outlet 106 and the air outlet group 105 are arranged oppositely, and have large distance and small mutual influence. The air-extracting element 300 guides the air in the purifying cavity 103 to flow out from the air outlet hole group 105, and the flow velocity of the air flow at the position of the sound outlet hole 106 is small, so that the interference to the sound generator 400 is small.

In a possible example, referring to fig. 2, 3 and 6, the air cleaning apparatus further includes an atomizer 510, a sealing plug 520 and a solution tank 530. The solution tank 530 is accommodated in the inner cavity of the upper case 110. The solution tank 530 is for containing a solution. The top end of the solution tank 530 is hermetically connected to the top end of the upper casing 110, and the top end of the upper casing 110 is provided with a fluid infusion port 111 and a mist outlet port 112 respectively communicated with the solution tank 530. The sealing plug 520 is detachably and hermetically mounted on the fluid infusion port 111. The user can add the solution to the solution tank 530 from the top of the air cleaning apparatus by removing the sealing plug 520 without turning the main body structure 100 over and adding the solution from the bottom. The solution may be water, essential oils or medicinal liquids. The atomizer 510 is installed inside the solution tank 530 and covers the mist outlet 112.

The atomizer 510 can atomize the solution in the solution tank 530, and the mist flows into the surrounding environment through the mist outlet 112. Thus, the air purification device in the embodiment further has an atomization function, and can perform humidification and fragrance adding functions on the surrounding environment.

Specifically, referring to fig. 5 and 6, the atomizer 510 includes an atomizing plate 511, an atomizing support 512, a conduit 513, a liquid guiding member 514, and a spring 515, the atomizing plate 511 is fixedly mounted on the top end of the upper housing 110 through the atomizing support 512 and covers the mist outlet 112, a first end of the conduit 513 is mounted on the atomizing support 512, a second end of the conduit 513 extends to the bottom of the solution tank 530 and has a liquid inlet 516, the first end of the liquid guiding member 514 abuts against the atomizing plate 511, the second end of the liquid guiding member 514 extends to the liquid inlet 516 through the conduit 513, the spring 515 is mounted in the conduit 513 and applies an elastic force to the second end of the liquid guiding member 514, and the spring 515 is used to ensure that the liquid guiding member 514 is stably contacted with the atomizing plate 511, so that the liquid in the solution tank 530 is transported to the atomizing plate 511 through the liquid inlet 516 and the liquid guiding member 514, and is atomized and discharged from the air purification apparatus through the mist outlet 112.

Optionally, the fluid-conducting member 514 is a fluid-conducting cotton.

Specifically, referring to fig. 1 and 2, the main body structure 100 further includes a base 130, the lower casing 120 is supported on the top of the base 130, and the power module 101 and the control module 102 are mounted on the base 130.

Further, the main body structure 100 further includes a thrust bearing 140 and a driving assembly 150, the driving assembly 150 is mounted on the base 130, the driving assembly 150 is electrically connected to the control assembly 102 and the power supply assembly 101, respectively, and the driving assembly 150 is connected to the lower shell 120 to drive the lower shell 120 to rotate; a thrust bearing 140 is disposed between the base 130 and the lower shell 120, and the thrust bearing 140 is used to support the lower shell 120 such that the lower shell 120 is clearance-fitted with the base 130.

Wherein, the air cleaning device in this embodiment adopts the thrust bearing 140 to connect the base 130 and the lower casing 120, so that the lower casing 120 will not contact with the base 130 when rotating around the vertical axis under the driving of the driving assembly 150, the resistance when the lower casing 120 rotates is reduced, and the noise generated when the air cleaning device rotates the air supply is effectively reduced because the thrust bearing 140 rotates generates rolling friction. And because the thrust bearing 140 is a metal piece and has a large weight, when being installed on the base 130 of the air purification device, the weight of the base 130 can be effectively increased, so that the center of gravity of the air purification device is moved downward, which is beneficial to improving the overall stability of the air purification device.

Specifically, in actual use, the thrust bearing 140 is arranged horizontally (with its axis extending in the vertical direction)) for supporting the lower shell 120 so that the lower shell 120 is clearance-fitted to the base 130, i.e., the lower shell 120 is non-contact-connected to the base 130 via the thrust bearing 140.

Optionally, the thrust bearing 140 has an outer diameter of greater than or equal to 65 millimeters. In this way, the lower case 120 is supported by the thrust bearing 140 having a large outer diameter, so that the lower case 120 and the upper case 110 can be more stably rotated.

Alternatively, the driving assembly 150 is a brushless motor, so that noise and power consumption during the operation of the air cleaning apparatus can be further reduced.

In one embodiment, referring to fig. 3 and fig. 6, the air purification apparatus further includes an anion generator 600, the anion generator 600 is installed in the purification chamber 103, and the anion generator 600 is electrically connected to the power module 101 and the control module 102, respectively. The power supply module 101 is used to supply electric power to the ionizer 600. The control assembly 102 is used for controlling the operation state of the ionizer 600.

In the air purification device in this embodiment, the anion generator 600 generates anions to sterilize and disinfect the air in the purification cavity 103 during the air purification process, thereby enriching the functions of the air purification device.

Specifically, the discharge assembly 610 of the ionizer 600 faces the air outlet hole group 105. The air flow at the air outlet hole group 105 is large, and the discharge assembly 610 faces the air outlet hole group 105, so that the air in the purification cavity 103 can be sterilized and disinfected.

Optionally, the discharge assembly 610 is a discharge needle.

It is understood that in other embodiments, an ultraviolet lamp is mounted within the decontamination chamber 103. Specifically, the ultraviolet lamp is electrically connected to the control assembly 102 and the power supply assembly 101, respectively. The ultraviolet lamp is used for emitting ultraviolet light to sterilize and disinfect the air in the purification cavity 103.

In an embodiment, referring to fig. 1, the air purification apparatus further includes a control button mounted on the main body structure 100 and electrically connected to the control component 102. The control buttons are used for receiving control commands to control the operating states of the driving assembly 150, the sound generator 400, the atomizer 510 and the anion generator 600.

Specifically, please refer to fig. 2 and fig. 3, the number of the control components 102 is plural. As shown in fig. 2, the base 130 mounts the control assembly 102. As shown in fig. 3, the control assembly 102 is mounted within the interior of the upper housing 110. The control modules 102 are electrically connected to each other

Optionally, the control assembly 102 is a control board.

Specifically, in conjunction with fig. 1, the control mount includes a first control button 131 mounted to the base 130 and a second control button 115 mounted to the upper shell 110. The first control button 131 is used for controlling the start and stop of the air purification apparatus and the working state of the driving assembly 150. The second control button 115 is used to control the operation state of the sound generator 400, the operation state of the atomizer 510, and the operation state of the anion generator 600.

In summary, the air purification device provided by the embodiment has the functions of air purification, sound playing (such as white noise playing for hypnosis), atomization, sterilization and disinfection.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. An air purification device, characterized in that: the method comprises the following steps:

the main body structure is provided with a power supply assembly and a control assembly, a purification cavity is arranged in the main body structure, and the main body structure is also provided with an air inlet hole group and an air outlet hole group which are respectively communicated with the purification cavity;

a filter assembly mounted within the body structure, the filter assembly covering the set of air inlet holes;

the air extracting element is arranged in the purifying cavity and is used for guiding the gas in the surrounding environment to sequentially pass through the air inlet hole group, the filtering assembly, the purifying cavity and the air outlet hole group;

the sound generator is arranged on the main body structure, the sound generator is respectively electrically connected with the power supply assembly and the control assembly, the power supply assembly is used for providing electric energy for the sound generator and the control assembly, and the control assembly is used for controlling the sound generator to make sound.

2. The air purification apparatus according to claim 1, wherein: the control component is provided with a function of storing white noise, and the control component controls the sound generator to emit the white noise.

3. The air purification apparatus according to claim 1, wherein: the main structure is provided with a sound outlet communicated with the purifying cavity, the sound generator is installed in the purifying cavity, and the sound generator covers the sound outlet.

4. The air purification apparatus according to claim 3, wherein: the major structure includes epitheca and inferior valve, first opening has been seted up on the top of inferior valve, the inlet port group is seted up in on the lateral wall of inferior valve, filter assembly holds and locates in the inner chamber of inferior valve, the epitheca closing cap in on the first opening, the inner chamber of epitheca with the inner chamber intercommunication of inferior valve is constituteed purify the chamber, the front end of epitheca has been seted up the outlet port group, the rear end of epitheca has been seted up the phonate hole, air exhaust component holds and locates in the inner chamber of epitheca, air exhaust component is located the outlet port group with between the phonate hole.

5. The air purification apparatus according to claim 4, wherein: air purification device still includes atomizer, sealing plug and solution tank, the solution tank hold locate the inner chamber of epitheca, and top sealing connection in the top of epitheca, the top of epitheca have respectively with fluid infusion mouth and the play fog mouth of solution tank intercommunication, sealing plug detachably sealing installation in fluid infusion mouth, the atomizer install in the solution tank and closing cap go out the fog mouth.

6. The air purification apparatus according to claim 5, wherein: the atomizer includes atomizing piece, atomizing support, pipe, drain spare and spring, the atomizing piece passes through atomizing support fixed mounting in the top of epitheca, and the closing cap go out the fog mouth, the first end of pipe install in atomizing support, the second end of pipe extends to the bottom of solution tank and have the inlet, the first end of drain spare is supported and is leaned on the atomizing piece, the second end warp of drain spare the pipe extends to the inlet, spring mounting in the pipe, and to elasticity is applyed to the second end of drain spare.

7. The air purification apparatus according to claim 4, wherein: the main structure further comprises a base, the lower shell is supported on the top end of the base, and the power supply assembly and the control assembly are mounted on the base.

8. The air cleaning apparatus according to claim 7, wherein: the main body structure further comprises a thrust bearing and a driving assembly, the driving assembly is mounted on the base, the driving assembly is electrically connected with the control assembly and the power supply assembly respectively, and the driving assembly is connected with the lower shell so as to drive the lower shell to rotate; the thrust bearing is arranged between the base and the lower shell, and the thrust bearing is used for supporting the lower shell so that the lower shell is in clearance fit with the base.

9. The air cleaning device according to any one of claims 1 to 8, characterized in that: the air purification device further comprises an anion generator, the anion generator is installed in the purification cavity, and the anion generator is respectively electrically connected with the power supply assembly and the control assembly.

10. The air purification apparatus according to claim 9, wherein: and the discharge assembly of the negative ion generator faces the air outlet hole group.

Images