CN218915281U

CN218915281U - Air purifier

Info

Publication number: CN218915281U
Application number: CN202222794875.6U
Authority: CN
Inventors: 严东旭; 许佳威; 郑军妹; 霍彦强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-25
Anticipated expiration: 2032-10-21

Abstract

An air purifier comprises a shell, an impeller, a driving mechanism and an atomizing device, wherein a cavity is formed in the shell, an air inlet is formed in the lower part of the inner wall of the cavity, an air outlet is formed in the upper part of the inner wall of the cavity, and the air outlet is positioned at the downstream of the air inlet along the flow path of air flow; the impeller is arranged in the shell and positioned in the flow path of the airflow and is provided with a central shaft extending up and down and blades spirally wound on the peripheral wall of the central shaft along the axial direction; the output end of the driving mechanism is connected with the central shaft of the impeller and is used for driving the blades to rotate around the central shaft so as to drive the air flow to flow upwards from the air inlet to the air outlet; the atomizing device is arranged in the shell and positioned below the impeller and is used for generating water mist. Compared with the prior art, the utility model has the functions of humidification and filtration.

Description

Air purifier

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to an air purifier.

Background

The method for removing the particles in the air by the air purifier generally adopts a mode of a fan and a filter screen, and wind pressure is generated by rotation of the fan, so that airflow flows through the filter screen, and the particles in the airflow are removed by utilizing the principle of filtration. Specifically, the structure disclosed in patent number ZL202122824521.7, patent number CN216557569U, patent number ZL202121479095.1, patent number CN215523652U, and the like is disclosed.

The prior air purifier has the following technical problems to be solved:

1. the filter screen is consumable, after a certain amount of particulate matters are filtered, the function of the filter screen is weakened, the filter screen needs to be replaced, and the use cost is increased;

2. the fan rotates at a high speed to generate wind pressure, so that the wind pressure is generally larger to achieve a certain filtering effect, larger disturbance noise can be generated, and the use feeling of consumers is influenced;

3. if the air purifier provides the atomizing function and the filter screen has the function of filtering water drop molecules, atomizing humidification and the filtering function conflict in principle, namely, the water drop generated by atomization can influence the filtering function of the filter screen, and after the water drop is filtered by the filter screen, the humidifying function is correspondingly weakened, so that the humidifying and the filtering functions are generally difficult to use simultaneously.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide an air purifier, which has both humidifying and filtering functions, aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide an air purifier so as to reduce the consumption of water resources.

The third technical problem to be solved by the present utility model is to provide an air purifier to further improve the net effect.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: an air cleaner, comprising:

a shell, wherein a cavity is formed in the shell, an air inlet is formed in the lower part of the inner wall of the cavity, an air outlet is formed in the upper part of the inner wall of the cavity, and the air outlet is positioned at the downstream of the air inlet along the flow path of air flow;

it is characterized in that the method also comprises the following steps:

an impeller provided in the housing and located in a flow path of the air flow, the impeller having a central shaft extending vertically and blades spirally wound in an axial direction on an outer peripheral wall of the central shaft;

the output end of the driving mechanism is connected with the central shaft of the impeller and is used for driving the blades to rotate around the central shaft so as to drive the air flow to flow upwards from the air inlet to the air outlet;

the atomizing device is arranged in the shell and positioned below the impeller and is used for generating water mist.

Preferably, the air inlet is positioned on the side wall of the chamber, the air outlet is positioned on the top wall of the chamber, and the impeller is positioned above the air inlet and below the air outlet.

In order to ensure the air flow, the side wall of the chamber is preferably an annular wall, and the air inlets are a plurality of and circumferentially distributed on the annular wall.

Preferably, the atomizing device is located below the air inlet. Thus, the air flow entering from the air inlet can be well mixed with atomized water drops.

In order to prevent water drops on the side wall of the shell from flowing into the air inlets, a plurality of air inlets distributed up and down are preferably arranged in a group, and a plurality of groups are arranged at intervals along the circumference of the annular wall;

the inner wall surface of the annular wall is provided with water bars corresponding to the positions of each group of air inlets, the water bars are arranged on the periphery of the corresponding group of air inlets in a surrounding mode, and a water guide groove extending up and down is formed between the water bars corresponding to the two adjacent groups of air inlets. Thus, the water drops can flow downwards along the water guide groove without entering the air inlet.

In order to enable the water drops on the side wall of the shell to smoothly flow downwards, the part of the water bar above the corresponding group of air inlets is preferably pointed upwards.

In the above aspect, preferably, the atomizing device includes a water box with an opening on a top wall and a water mist generator provided on a bottom wall of the water box.

In order to further solve the second technical problem, preferably, a side wall of the chamber of the housing is provided with an annular groove extending along a circumferential direction of the side wall, a notch of the annular groove faces upwards and is positioned below the impeller, and a drain hole is formed in a bottom wall of the annular groove so as to communicate the annular groove with an inner cavity of the water box. Therefore, water drops on the side wall of the shell can be collected into the annular groove and return to the water box after being filtered by the liquid leakage holes, so that water circulation is realized. The weeping hole can filter the particulate matters in the water drop.

For further filtering impurities in the water, preferably, the water box is supported on the bottom wall of the shell and is positioned in the central area of the bottom wall of the shell, and an annular cavity with an upward opening is jointly defined between the peripheral area of the bottom wall of the shell and the side wall of the water box and the corresponding side wall of the shell;

the annular groove is positioned at the opening of the annular cavity and is communicated with the annular cavity through a liquid leakage hole;

the bottom of the side wall of the water box is provided with a filtering hole which penetrates through the wall thickness so as to be communicated with the inner cavity and the annular cavity of the water box. Thus, the water after the first filtration through the weeping holes of the annular groove is collected into the annular cavity and enters the water box through the filtration holes, and the filtration holes can carry out the second filtration on the impurities in the water.

Preferably, the plurality of filter holes are arranged at intervals along the circumference of the side wall of the water box.

In order to further solve the third technical problem, it is preferable that the device further comprises an anion module capable of generating high-pressure anions, and the anion module is arranged between the impeller and the atomizing device. The negative ions are combined with water drops, so that the air purifying effect is improved.

Preferably, the negative ion module comprises a probe and a high-voltage package for providing negative high-voltage power for the probe, and the probe is electrically connected with the high-voltage package.

Further, the device also comprises a bracket which is arranged in the shell and positioned below the impeller, and is provided with a central part and a plurality of extending parts which radially extend outwards from the central part, wherein the outer end part of each extending part is connected with the side wall of the shell, and the central part supports the driving mechanism;

the probes are provided with a plurality of extending parts which are respectively arranged corresponding to the probes.

Preferably, each probe is disposed horizontally and disposed at a corresponding extension in a clockwise or counterclockwise direction.

In each of the above embodiments, preferably, the driving mechanism is a motor, and an output shaft of the motor is arranged coaxially with a central shaft of the impeller.

Compared with the prior art, the utility model has the advantages that: through set up the impeller that has center pin and blade in the casing, drive impeller around axis pivoted actuating mechanism and can produce atomizing device of water smoke, atomizing device is located the below of impeller, so, when atomizing device produced water smoke can adjust indoor humidity, can also combine with the particulate matter in the air current, the water droplet that combines the particulate matter gets into the impeller, can be got rid of to the casing lateral wall under the rotatory centrifugal force effect of impeller to realize the filtration purification of particulate matter in the air current, and clean air is discharged from the air outlet under the effect of impeller.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a longitudinal cross-sectional view of an embodiment of the present utility model;

fig. 3 is an enlarged view of a portion a in fig. 2;

fig. 4 is a transverse cross-sectional view of an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 4, a preferred embodiment of an air cleaner according to the present utility model includes a housing 1, an impeller 2, a driving mechanism 3, an atomizing device 4, a negative ion module 5, and a bracket 6.

Wherein, the inside of the shell 1 is hollow to form a cavity 10, the lower part of the inner wall of the cavity 10 is provided with an air inlet 11, the upper part is provided with an air outlet 12, and the air outlet 12 is positioned at the downstream of the air inlet 11 along the flow path of the air flow. In this embodiment, the air outlet 12 is located on the top wall of the chamber 10, the side wall of the chamber 10 is an annular wall, and the air inlets 11 are plural and circumferentially distributed on the lower portion of the annular wall. A plurality of air inlets 11 distributed up and down are arranged in a group, and a plurality of groups are arranged at intervals along the circumferential direction of the annular wall; the inner wall surface of the annular wall is provided with water bars 13 corresponding to the positions of each group of air inlets 11, the water bars 13 are arranged on the periphery of the corresponding group of air inlets 11 in a surrounding mode, and a water guide groove 130 extending up and down is formed between the water bars 13 corresponding to the two adjacent groups of air inlets 11. And the part of the water bar 13 above the corresponding group of air inlets 11 is pointed with the tip upward.

Meanwhile, the side wall of the chamber 10 of the housing 1 is provided with an annular groove 14 extending along the circumferential direction of the side wall, the notch of the annular groove 14 faces upwards and is positioned below the air inlet 11, so that water left from the water guide groove 130 can be received, and the bottom wall of the annular groove 14 is provided with a liquid leakage hole 140.

The impeller 2 is disposed in the casing 1 and above the air inlet 11 and below the air outlet 12. The impeller 2 has a central shaft 21 extending vertically, and blades 22 spirally wound in the axial direction on the outer peripheral wall of the central shaft 21.

The output end of the driving mechanism 3 is connected with the central shaft 21 of the impeller 2 and is used for driving the blades 22 to rotate around the central shaft 21, so that air flow is driven to flow upwards from the air inlet 11 to the air outlet 12. In this embodiment, the driving mechanism 3 is a motor, the motor is located below the impeller 2, and an output shaft of the motor is coaxially arranged with the central shaft 21 of the impeller 2. And the motor is restrained in the shell through the bracket 6, the structure of the bracket 6 is as follows:

the bracket 6 is provided in the housing 1 and below the driving mechanism 3, and has a central portion 61 and a plurality of extending portions 62 extending radially and horizontally outward from the central portion 61, and an outer end portion of each extending portion 62 is connected to a side wall of the housing 1, and the central portion 61 supports the driving mechanism 3.

The negative ion module 5 can generate high-voltage negative ions, and comprises a probe 51 and a high-voltage package for providing negative high-voltage power for the probe 51, wherein the probe 51 is provided with a plurality of probes and is electrically connected with the high-voltage package, and each probe 51 is respectively and horizontally arranged at the corresponding extension part 62 and is arranged along the clockwise direction or the anticlockwise direction.

The atomizing device 4 is disposed in the housing 1 and below the air inlet 11, and is used for generating water mist. Specifically, the atomizing device 4 includes a water box 41 with an opening on the top wall and a mist generator 42 arranged on the bottom wall of the water box 41, the water box 41 is supported on the bottom wall of the housing 1 and is positioned in the central area of the bottom wall of the housing 1, and an annular cavity 15 with an upward opening is defined between the peripheral area of the bottom wall of the housing 1 and the side wall of the water box 41 and the corresponding side wall of the housing 1; the opening of the annular chamber 15 is opposed to and communicates with the weep hole 140 of the annular groove 14. Meanwhile, the bottom of the side wall of the water box 41 is provided with a filtering hole 411 penetrating through the wall thickness so as to communicate the inner cavity of the water box 41 and the annular cavity 15. The plurality of filter holes 411 are arranged at intervals along the circumference of the sidewall of the water box 41.

The working procedure of this embodiment is as follows:

during normal use, the atomizing device 4 works (small power gear) to generate atomized water particles, the motor drives the impeller 2 to rotate to generate negative pressure, the atomized water particles rise to be combined with air entering the air inlet 11, the combined air passes through the negative ion generation area, the water particles combined with mist and pollutant particles are combined under the action of negative ions to generate water particles with large particle size and containing pollutant particles, the water particles enter the impeller 2, on one hand, the water particles with large mass are thrown onto the side wall of the shell due to the propelling action of the impeller 2 and accumulated by a certain amount, water drops downwards flow to the annular groove 14 through the water guide groove 130 on the side wall of the shell, the weeping holes 140 on the bottom wall of the annular groove 14 can filter pollutants with large particles, and after primary filtration, water enters the annular cavity 15 and enters the water box 41 through the filter holes 411 on the water box 41, so that the recycling of the water is realized.

In addition, the water vapor and negative ions of the upper housing 1 can play a role of clean room air.

In the system, both the vapor and the negative ions have the function of condensing pollutants, and in addition, the vapor can be condensed by the negative ions, so that the removal effect of the system on the pollutant particles is further enhanced. The water vapor can be used as one of raw materials for generating negative ions to generate hydrated negative oxygen ions, so that the concentration of the negative ions is improved.

When the pollutant that accumulates on the casing lateral wall is too much, can open the automatically cleaning mode, big gear atomizing device 4 operation produces great concentration water smoke, and water smoke is got rid of to the casing lateral wall through impeller 2, and the casing lateral wall can form the phenomenon of similar raindrop landing, and the water droplet that is thrown away by centrifugal force can collide with the casing lateral wall in addition, and the striking adheres to the pollutant at the casing lateral wall, promotes to peel off, further promotes clean effect.

Claims

1. An air cleaner, comprising:

a housing (1) with a hollow cavity (10), wherein an air inlet (11) is arranged at the lower part of the inner wall of the cavity (10), an air outlet (12) is arranged at the upper part of the inner wall of the cavity (10), and the air outlet (12) is positioned at the downstream of the air inlet (11) along the flow path of air flow;

it is characterized in that the method also comprises the following steps:

an impeller (2) which is provided in the housing (1) and is located in the flow path of the airflow, and which has a central shaft (21) extending vertically and blades (22) spirally wound in the axial direction on the outer peripheral wall of the central shaft (21);

the output end of the driving mechanism (3) is connected with the central shaft (21) of the impeller (2) and is used for driving the blades (22) to rotate around the central shaft (21) so as to drive the air flow to flow upwards from the air inlet (11) to the air outlet (12);

the atomizing device (4) is arranged in the shell (1) and is positioned below the impeller (2) and used for generating water mist.

2. An air cleaner according to claim 1, wherein: the air inlet (11) is positioned on the side wall of the chamber (10), the air outlet (12) is positioned on the top wall of the chamber (10), and the impeller (2) is positioned above the air inlet (11) and below the air outlet (12).

3. An air cleaner according to claim 2, wherein: the side wall of the chamber (10) is an annular wall, and a plurality of air inlets (11) are circumferentially distributed on the annular wall.

4. An air cleaner according to claim 3, wherein: the atomizing device (4) is positioned below the air inlet (11).

5. An air cleaner according to claim 4 wherein: a plurality of air inlets (11) distributed up and down are arranged in a group, and a plurality of groups are arranged at intervals along the circumferential direction of the annular wall;

the inner wall surface of the annular wall is provided with water retaining bars (13) corresponding to the positions of each group of air inlets (11), the water retaining bars (13) are arranged on the periphery of the corresponding group of air inlets (11) in a surrounding mode, and water guide grooves (130) extending up and down are formed between the water retaining bars (13) corresponding to the two adjacent groups of air inlets (11).

6. An air cleaner according to claim 5 wherein: the part of the water bar (13) above the corresponding group of air inlets (11) is in a pointed shape with the pointed tip upwards.

7. An air cleaner according to claim 1, wherein: the atomizing device (4) comprises a water box (41) with an open top wall and a water mist generator (42) arranged on the bottom wall of the water box (41).

8. An air cleaner according to claim 7 wherein: the side wall of the chamber (10) of the shell (1) is provided with an annular groove (14) extending along the circumferential direction of the side wall, the notch of the annular groove (14) faces upwards and is positioned below the impeller (2), and the bottom wall of the annular groove (14) is provided with a liquid leakage hole (140) so as to be communicated with the annular groove (14) and the inner cavity of the water box (41).

9. An air cleaner according to claim 8 wherein: the water box (41) is supported on the bottom wall of the shell (1) and is positioned in the central area of the bottom wall of the shell (1), and an annular cavity (15) with an upward opening is jointly defined between the peripheral area of the bottom wall of the shell (1) and the side wall of the water box (41) and the corresponding side wall of the shell (1);

the annular groove (14) is positioned at the opening of the annular cavity (15) and is communicated with the annular cavity (15) through a liquid leakage hole (140);

the bottom of the side wall of the water box (41) is provided with a filtering hole (411) which penetrates through the wall thickness so as to be communicated with the inner cavity of the water box (41) and the annular cavity (15).

10. An air cleaner according to claim 9 wherein: the plurality of filter holes (411) are arranged at intervals along the circumferential direction of the side wall of the water box (41).

11. An air cleaner according to any one of claims 1 to 10 wherein: the device also comprises an anion module (5) which can generate high-pressure anions and is arranged between the impeller (2) and the atomizing device (4).

12. An air cleaner according to claim 11 wherein: the negative ion module (5) comprises a probe (51) and a high-voltage package for providing negative high-voltage power for the probe (51), and the probe (51) is electrically connected with the high-voltage package.

13. An air cleaner according to claim 12 wherein: the device also comprises a bracket (6) which is arranged in the shell (1) and is positioned below the impeller (2), and is provided with a central part (61) and a plurality of extending parts (62) which radially extend outwards from the central part (61), wherein the outer end part of each extending part (62) is connected with the side wall of the shell (1), and the central part (61) supports the driving mechanism (3);

the probes (51) are provided in plural and in respective corresponding extension portions (62).

14. An air cleaner according to claim 13 wherein: each probe (51) is disposed horizontally and disposed at a corresponding extension (62) in a clockwise or counterclockwise direction.

15. An air cleaner according to any one of claims 1 to 10 wherein: the driving mechanism (3) is a motor, and an output shaft of the motor is arranged coaxially with a central shaft (21) of the impeller (2).