WO2017113811A1

WO2017113811A1 - Purifier

Info

Publication number: WO2017113811A1
Application number: PCT/CN2016/095666
Authority: WO
Inventors: 赵俊; 姚家兴
Original assignee: 东莞市利发爱尔空气净化系统有限公司
Priority date: 2015-12-31
Filing date: 2016-08-17
Publication date: 2017-07-06
Also published as: CN105465893A

Abstract

A purifier, including: a hollow shell, a filter device (16), an air guide device (17), an exhaust device (19) and a base (18). The filter device (16), the air guide device (17), and the exhaust device (19) are arranged inside the hollow shell from bottom to top. The filter device (16) includes a first filter element (10) and a second filter element (11). The second filter element (11) is located above the first filter element (10) and is in contact with the first filter element (10). The first filter element (10) is removably disposed on a turntable of the base (18). The hollow shell is composed of an air inlet area and a sealing area. The air inlet area is in communication with the first filter element (10) and the second filter element (11). The first filter element (10) and the second filter element (11) each include a first filter unit (12) and a second filter unit (13) that surrounds the first filter unit (12). The first filter unit (12) is hollow.

Description

a purifier

The present application claims priority to Chinese Patent Application No. 20151103493, filed on Dec. 31, 2015, the entire disclosure of which is hereby incorporated by reference.

Technical field

The present invention relates to the field of air purification technology, and more particularly to a purifier.

Background technique

As we all know, with the improvement of people's biochemical level, people urgently need to breathe clean air. According to the application field, air purifiers can be divided into: household air purifiers, car air purifiers, medical air purifiers and engineering air purifiers, etc., and household air purifiers are suitable for home use to remove indoor air pollution and purify indoors. Air purifier for the purpose of air.

In the prior art, the clean air delivery rate (CADR) is a performance index relating to the use characteristics of indoor air purifier products and reflecting its purification ability, and the unit is m ³ /h. In order to achieve indoor air quality to a certain level of cleanliness, there are two necessary conditions: First, the indoor air must be guaranteed to reach a certain number of air changes, that is, the fan built in the air purifier has a certain amount of air; Second, the air purifier The primary purification efficiency must be relatively high. The amount of clean air (CADR) is the physical quantity that can quantitatively characterize the two necessary conditions above the air purifier. The larger the CADR value, the higher the purification efficiency of the air purifier.

The drawback of the prior art is that the area of filtration on the purifier is currently limited, it is difficult to increase the amount of clean air (CADR value), the purification efficiency of the air purifier is low, or the CADR value is high, the purifier is bulky.

Summary of the invention

Embodiments of the present invention provide a purifier for effectively adsorbing pollutants in the air and improving air purification efficiency.

A technical solution of a purifier according to an embodiment of the invention includes:

a hollow casing, a filtering device, an air guiding device, an air exhausting device and a base, the filtering device, The air guiding device and the air exhausting device are arranged in order from bottom to top in the hollow casing;

The filtering device includes a first filter member and a second filter member, the second filter member is located above the first filter member and is in contact with the first filter member, and the first filter member is movably disposed at the The hollow casing is composed of an air inlet region and a sealing region, and the air inlet region is in communication with the first filter component and the second filter component;

The first filter member and the second filter member each include a first filter unit and a second filter unit surrounding the first filter unit, the first filter unit being hollow inside.

Preferably, in the above technical solution of the purifier, the first filter unit is a hollow cylindrical HEPA filter cartridge; and the second filter unit is a hollow cylindrical activated carbon cartridge.

Preferably, in the technical solution of the purifier, the air guiding device comprises a fan body, a fan blade, a motor and a windshield; the fan blade is disposed along an outer circumferential surface of the fan body, and the blade is The fan body is an integrally formed structure; the motor is built in the fan body and connected to the fan body; the windshield is located outside the blade and is connected to the fan blade.

Preferably, in the technical solution of the purifier, the fan blade is provided with a protrusion, and the position of the windshield corresponding to the protrusion is provided with a hollow groove, and the protrusion and the empty groove For ultrasonic welding.

Preferably, in the technical solution of the purifier, the outer surface of the motor is provided with a heat dissipating component, and the heat dissipating component is a plurality of inclined fins disposed along the outer surface of the motor.

Preferably, in the above technical solution of the purifier, the air exhausting device comprises an air outlet grid connecting the hollow housing, the air outlet grid comprises a center piece and is disposed outwardly along the center piece The plurality of air outlet sheets are connected to the inner surface of the hollow casing, and the air outlet sheet has an S shape and is inclined.

Preferably, in the technical solution of the purifier, the height of the air outlet sheet to the plane of the center member is first increased and then decreased.

Preferably, in the technical solution of the purifier, a position of the inner surface of the hollow casing and the air outlet piece are respectively provided with a boss, and the air outlet piece is provided with a corresponding to the boss a groove, the boss being ultrasonically welded to the groove.

Preferably, in the above technical solution of the purifier, the surface in contact between the first filter component and the second filter component is provided with a sealing ring.

Preferably, in the technical solution of the purifier, the top of the hollow casing is provided with a touch ring, and the touch ring is provided with an inductive PCB board, and the inductive PCB board is electrically connected to the motor.

The beneficial effects of adopting the above technical solutions are:

Since the purifier in this embodiment includes a hollow casing, a first filter member and a second filter member, since the second filter member is located above the first filter member and is in contact with the first filter member, when the outside air passes through the hollow shell When the air inlet region of the body enters the first filter component and the second filter component, the outside air enters the hollow casing from which direction, and is filtered on the first filter component or the second filter component in the hollow casing. , eliminating the possibility that part of the outside air is not purified, increasing the contact area with the air, improving the purification efficiency of the air; in addition, saving due to the stacking of the first filter component and the second filter component The area occupied by the purifier.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

1 is an overall structural view of a purifier according to an embodiment of the present invention;

2 is a structural view of an air guiding device of a purifier according to an embodiment of the present invention;

3 is a structural view of a filter device of a purifier according to an embodiment of the present invention;

4 is a structural view of an air exhaust device of a purifier according to an embodiment of the present invention;

FIG. 5 is a structural diagram of a ring bracket of a purifier according to an embodiment of the present invention.

detailed description

The embodiment of the invention provides a purifier for effectively adsorbing pollutants in the air, improving air purification efficiency and saving the occupied area of the air purifier.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention. Rather than all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 to FIG. 5, a technical solution of a purifier according to an embodiment of the present invention includes:

Hollow housing, filter device 16 and air guiding device 17, base 18, air exhaust device 19;

The filtering device 16, the air guiding device 17 and the air discharging device 19 are all located in the hollow casing, the air guiding device 17 is located above the filtering device 16, and the air discharging device 19 is located above the air guiding device 17;

The filter device 16 includes a first filter member 10 and a second filter member 11, the second filter member 11 is located above the first filter member 10 and is in contact with the first filter member 10, the first filter member 10 is movably disposed on the base 18; The hollow casing is composed of an air inlet region and a sealing region, and the air inlet region is in communication with the first filter member 10 and the second filter member 11;

The first filter member 10 and the second filter member 11 each include a first filter unit 12 and a second filter unit 13 surrounding the first filter unit 12, and the first filter unit 12 is hollow inside.

The beneficial effects of adopting the above technical solutions are:

Since the purifier in this embodiment includes the hollow casing, the first filter member 10, and the second filter member 11, since the second filter member 11 is located above the first filter member 10 and is in contact with the first filter member 10, when the outside When air enters the first filter member 10 and the second filter member 11 through the air inlet region of the hollow casing, the outside air enters the hollow casing from which direction, and the first filter member 10 in the hollow casing Or filtering on the second filter member 11, eliminating the possibility that part of the outside air is not purified, increasing the contact area with the air, and improving the purification efficiency of the air; further, due to the first filter member 10 and the The stacking of the two filter elements 11 saves the footprint of the purifier.

The air guiding device 17, the filtering device 16, and the air exhausting device 19 of the purifier will be described in detail below:

(1) Air guiding device 17

The air guiding device 17 includes a fan body 1, a blade 2, a motor 3, and a windshield 4. The fan body 1 and the blade 2 are integrally formed. The blade 2 is disposed along the outer circumferential surface of the fan body 1, and the motor 3 is built in. The fan body 1 is connected to the fan body 1; the windshield 4 is located outside the blade 2 and is connected to the blade 2.

The fan body 1 may have an inverted conical shape. The area of the top of the fan body 1 is larger than the area of the bottom of the fan body 1. The surface of the fan body 1 is a smooth plane, which reduces the resistance of air flowing through the surface thereof.

The windshield 4 is located outside the blade 2 and is connected to the fan blade 2. Since the windshield 4 acts to guide the air filtered by the filter device 16 into the air guiding device 17 through the wind guiding action of the windshield 4, The air guiding area of the windshield 4 is increased, and the windshield 4 is a flared structure with an opening outward. The windshield 4 is gradually outwardly arranged along the direction of the filtering device 16 to the air guiding device 17, and the area is gradually increased. Further, in order to improve the connection between the windshield 4 and the blade 2, the windshield 4 may be ultrasonically welded to the blade 2, the blade 2 is provided with a protrusion, and the windshield 4 is convex and convex. The corresponding position is provided with an empty slot, and the protrusion and the slot are ultrasonically welded. It can be understood that the protrusion and the slot can be connected in other manners, which is not specifically limited herein.

Since the motor 3 is a driving component, the motor 3 needs to drive the fan body 1 to rotate, and the fan body 1 is coupled with the fan blade 2. Therefore, the motor 3 needs to be connected to the fan body 1. In this embodiment, the center of the bottom of the fan body 1 can be connected. The hole, the rotating shaft of the motor 3 is engaged with the fan body 1 through the through hole.

In this embodiment, the outer surface of the motor 3 is provided with a heat dissipating component 5, and the heat dissipating component 5 includes a heat dissipating tube disposed along the outer circumferential surface of the motor 3 and a plurality of heat dissipating fins disposed along the outer surface of the heat dissipating tube. The heat dissipating tube and the heat sink may be It is an integrated structure, which is convenient for production and processing, and can reduce the noise of the heat sink, but is not specifically limited.

The fins of the heat dissipating member 5 may be disposed at equal intervals along the circumferential direction of the outer surface of the heat dissipating cylinder. The fins are curved surfaces, and the end portions thereof are biased toward the direction in which the motor 3 rotates. The curved surface is curved in the direction of the motor 3 to rotate the motor 3. During the process, the heat sink is linked with the motor 3, and rotates with the motor 3 to dissipate heat to the motor; the inner surface of the heat sink of the heat dissipating component 5 is provided with a plurality of grooves, and the inner surface of the heat sink passes through the adhesive and the outer circumference of the motor 3. The surface is fixed, and the adhesive is filled in the groove of the inner surface of the heat sink, so that the heat sink and the motor are more firmly bonded.

After the motor 3 and the heat dissipating member 5 are fixed, the motor cover can be disposed outside the heat dissipating member 5, and the motor and the heat dissipating member 5 are both located in the motor cover and the motor shaft protrudes from the motor cover. Further, in the embodiment, the motor cover includes a motor upper cover 6 and a motor lower cover 7. In order to facilitate the insertion of the motor 3 into the fan body 1, the outer surface of the motor lower cover 7 is further provided with a motor bracket 8 and a motor bracket 8 Connected to the motor lower cover 7, the motor bracket 8 is provided with four outwardly extending inverted L-shaped struts, and the motor cover including the motor 3 is placed in a hollow area surrounded by the inverted L-shaped struts, and the L-shaped branch is inverted. The rod is placed on the inner surface of the fan body 1.

In order to improve the sealing effect of the purifier, the purifier further comprises a sealing ring bracket 9 which is located outside the air guiding device 17 and is in contact with the filtering device 16, and the end of the sealing ring bracket 9 projects into the windshield 4 and With the gap between the windshield 4 and the windshield 4, the end of the seal ring bracket 9 is inserted into the windshield 4, so that the air filtered by the filter device 16 can directly enter the windshield 4 Entering the air guiding device 17 to prevent the unsealed air from flowing out of the purifier from the gap between the windshield 4 and the seal ring bracket 9 when the seal ring bracket 9 is located outside the windshield 4, thereby improving the air purification efficiency; further The seal ring 9 is provided with a sealing ring on the surface in contact with the filter device 16.

The beneficial effects of adopting the above technical solutions are:

The fan blade 2 is disposed along the outer circumferential surface of the fan body 1 and integrally formed with the fan body 1; the motor 3 is coupled to the fan body 1. When the motor 3 drives the fan body 1 to rotate, the blade 2 is coupled with the fan body 1 and the fan The leaf 2 does not create additional motion on the fan body 1, thus reducing the noise generated by the vibration of the blade in the operating state.

(2) Filter device 16

In this embodiment, the filtering device 16 may include a plurality of filtering components, and a plurality of filtering components are sequentially disposed from bottom to top. In this embodiment, the purifier is illustrated by including two filtering components as an example. A filter member 10 and a second filter member 11 will be described in detail.

The hollow casing is composed of an air inlet region and a sealing region, and the air inlet region is in communication with the first filter member 10 and the second filter member 11;

The first filter member 10 and the second filter member 11 are both located in the hollow casing, and the second filter member 11 is located above the first filter member 10 and is in contact with the first filter member 10;

The first filter member 10 and the second filter member 11 each include a first filter unit 12 and a second filter unit 13 surrounding the first filter unit 12, the first filter unit 12 and the second filter unit 13 being hollow and open at both ends .

The specific arrangement between the first filter component 10 and the second filter component 11 can be:

(1) The second filter member 11 is stacked on the first filter member 10, and the second filter member 11 In a non-connecting relationship with the first filter member 10, the second filter member 11 and the first filter member 10 are brought into contact by the stacking of the first filter member 10 and the second filter member 11 in order to prevent the unpurified air from being filtered from the first The gap between the component 10 and the second filter component 11 enters, affecting the purifying effect of the air, and the contact surface of the first filter component 10 and the second filter component 11 may be provided with a sealing ring to improve the first filter component 10 and the second The sealing property between the filter members 11 indirectly improves the purification effect.

(2) The second filter member 11 is connected to the first filter member 10. It can be understood that the second filter member 11 and the first filter member 10 can also be connected by means of pasting or the like, with respect to the second filter member. 11 and the first filter member 10 are directly stacked or connected, and are not specifically limited. Since the first filter member 10 and the second filter member 11 are both filter-purified, in order to prevent the unpurified air from entering from the gap between the first filter member 10 and the second filter member 11, affecting the air purification effect, at the first The contact surface of the filter member 10 and the second filter member 11 may be provided with a seal ring to improve the seal between the first filter member 10 and the second filter member 11, thereby indirectly improving the purifying effect.

It should be noted that the size, shape and structure of the first filter component 10 and the second filter component 11 can be the same. With this arrangement, the first filter component 10 can be directly mass-produced, and then determined according to actual needs. The number of the first filter members 10 (the number may be two or more) may be sequentially stacked from bottom to top, which is convenient and quick to use.

As a further improvement of the purifier of the present embodiment, since the first filter member 10 and the second filter member 11 each include the first filter unit 12 and the second filter unit 13 surrounding the first filter unit 12, the first The filter unit 12 and the second filter unit 13 are hollow and open at both ends, so the first filter unit 12 and the second filter unit 13 may specifically be:

(1) the first filter unit 12 and the second filter unit 13 are internally and externally disposed;

(2) In the above technical solutions of the first filter member 10 and the second filter member 11, the second filter unit 13 may be an activated carbon cartridge for initial filtration; the first filter unit 12 is a HEPA filter cartridge. The inner wall and the outer wall of the activated carbon cylinder are aluminum mesh. It can be understood that the activated carbon cylinder is a closed structure with an inner hollow wall and an outer wall aluminum mesh surrounded by an inner wall aluminum mesh and an outer wall aluminum mesh, and an inner wall aluminum mesh and an outer wall aluminum mesh have a closed structure. a gap, the void is used to fill the activated carbon, and the inner aluminum net and the outer wall aluminum net are provided with a plurality of holes on the two aluminum nets, so that the air entering the air purifier can pass through the outer wall aluminum net. The hole enters the activated carbon, and then enters the HEPA filter cartridge through the hole in the inner wall aluminum mesh for high-efficiency filtration; HEPA (High efficiency particulate air filter), Chinese means high-efficiency air filter, HEPA-compliant filter, for 0.1 micron and 0.3 micron The efficiency is 99.7%. The HEPA net is a high-efficiency filter. It is characterized by air passing through, but fine particles cannot pass.

The beneficial effects of adopting the above technical solutions are:

Since the first filter member 10 and the second filter member 11 include the first filter unit 12 and the second filter unit 13 surrounding the first filter unit 12, the first filter unit 12 is a HEPA filter cartridge, and the second filter unit 13 is The activated carbon cylinder, the outer wall and the inner wall of the activated carbon cylinder are aluminum meshes, and the aluminum mesh can play the role of primary filtration on the one hand, that is, the air to be purified first passes through the aluminum mesh of the activated carbon cylinder in the filter component, and the large particles in the air and Hair and the like are prevented from entering, and on the other hand, the aluminum mesh acts as a carrier for the activated carbon, which prevents the activated carbon from leaking and allows air to circulate. This integrated design of primary filtration and activated carbon filtration also saves space.

Further, since the activated carbon is placed in the activated carbon cylinder, in order to prevent the leakage of the activated carbon and affect the use effect of the activated carbon, the top and bottom of the aluminum mesh are respectively provided with an upper cover of the activated carbon cylinder and a bottom cover of the activated carbon cylinder, and further, on the activated carbon cylinder The cover may further be provided with an activated carbon cylinder sealing cover to further prevent the activated carbon from volatilizing.

(3) The first filter unit 12 and the second filter unit 13 may both have a hollow cylindrical shape to facilitate the flow of air from the hollow cavity.

As a further improvement of the purifier of the embodiment, it is mentioned in the technical solution of the double filter bucket structure that the first filter component 10 and the second filter component 11 can be stacked on each other, and then determined according to actual needs. The number of the first filter members 10 is then sequentially stacked from bottom to top. To facilitate the removal of the filter members, the first filter member 10 and the second filter member 11 may be provided with handles, which are convenient for the handle. Extraction of the first filter member 10 and the second filter member 11, since the first filter member 10 and the second filter member 11 each include the first filter unit 12 and the second filter unit 13 surrounding the first filter unit 12, The handle can be placed on the second filter unit 13, which is not limited.

As a further improvement of the purifier of the present embodiment, when the first filter member 10 and the second filter member 11 are stacked on each other, in order to improve the stability of stacking of the first filter member 10 and the second filter member 11, An annular bracket 14 can also be disposed in the empty housing, and the annular bracket 14 can be specifically For the annular structure surrounded by four columns, the four columns are arranged at equal intervals in the ring shape, and in order to improve the stability of the ring bracket, the ring bracket 14 may further be provided with a pillar reinforcing plate 15, and the pillar reinforcing plate 15 is surrounded by four On the column; the first filter member 10 and the second filter member 11 are both placed in the annular bracket 14, avoiding the shaking of the first filter member 10 and the second filter member 11, improving the stability of the stack, and avoiding the The problem of air leakage caused by the unsteady sway of the filter member 10 and the second filter member 11 indirectly improves the effect of air purification.

Preferably, in the above technical solution of the purifier, since the hollow casing includes an air inlet region and a sealing region, the air inlet region may be composed of a plurality of through holes surrounding the surface of the hollow casing, thereby achieving 360° omnidirectional advancement. The wind, the inlet area and the sealing area are the same size on the hollow casing, that is, the hollow casing is equally divided into the inlet and the sealing area.

(3) Exhaust device 19

The air exhaust device 19 includes a touch ring 20 and an air outlet grid 21, and the touch ring 20 is located at the top of the hollow casing;

The touch ring 20 is provided with an inductive PCB board 22, and the inductive PCB board 22 is electrically connected to the motor 3, and the motor 3 is used to drive the fan blade 2 of the air guiding device 17 to rotate, when the purifier is in the working mode, when the touch ring 20 is on the touch ring 20 When the sensing PCB board 22 receives the touch signal of a certain speed, the sensing PCB board 22 controls the rotation of the motor 3, and the motor 3 drives the fan blade 2 to rotate at a certain speed;

The air outlet grid 21 includes a center member 23 and a plurality of air outlet sheets 24 disposed outwardly along the center member 23. The plurality of air outlet sheets 24 are connected to the inner surface of the hollow casing, and the plurality of air outlet sheets 24 are S-shaped and tilted. The utility model has the beneficial effects that the motor 3 in the hollow casing drives the impeller to rotate, so that the air is discharged outwards in a spiral airflow. The air outlet piece 24 in this embodiment is S-shaped and is inclined to fit. Air flow, which minimizes windage and reduces wind noise.

As a further improvement of the air exhausting device 19 of the purifier in this embodiment, the specific structure of the air outlet piece 24 may be:

The air outlet piece 24 includes a first inclined portion and a second inclined portion that are opposite in inclination, the first inclined portion being coupled to the center member 23, and the second inclined portion being coupled to the inner surface of the hollow casing. In this embodiment, the center member 23 can have a circular structure, and the center member 23 and the air outlet piece 24 are integrated to reduce noise during air blowing.

Since the first inclined portion is opposite to the inclined direction of the second inclined portion, specifically, the first inclined portion may be inclined toward the left side, and the second inclined portion may be inclined toward the right side. As can be understood from the above description, the first inclined portion is inclined from the upper left to the lower right direction, and the second inclined portion is inclined from the upper right to the lower left direction.

As a further improvement of the air discharge device 19 of the purifier in the present embodiment, the vertical height of the plane from the air outlet piece 24 to the center piece 23 is first increased and then decreased in a direction gradually away from the center piece 23.

As a further improvement of the air exhausting device 19 of the purifier in the embodiment, the inner surface of the hollow casing is connected to the air outlet piece 24 at a position where the boss 25 is provided, and the air outlet piece 24 is provided with the boss 25 Corresponding grooves, the boss 25 is connected to the groove, and the fastening connection between the outlet grid 21 and the hollow casing is realized. Further, since the boss 25 and the groove have various connection modes, in the embodiment, the boss 25 and the groove are ultrasonically welded, and are not specifically limited.

As a further improvement of the air exhausting device 19 of the purifier in the present embodiment, the air outlet sheets 24 are equally spaced along the circumferential direction of the center member 23 to further uniformly supply air, reducing wind noise.

As a further improvement of the air discharge device 19 of the air cleaner in the present embodiment, in order to facilitate mass production of the air outlet piece 24, the plurality of air outlet pieces 24 may have the same size and shape.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

Claims

A purifier comprising a hollow casing, a filtering device, an air guiding device, an air exhausting device and a base, wherein the filtering device, the air guiding device, and the air exhausting device are in the hollow shell The body is arranged from bottom to top;

The filtering device includes a first filter member and a second filter member, the second filter member is located above the first filter member and is in contact with the first filter member, and the first filter member is movably disposed at the The hollow casing is composed of an air inlet region and a sealing region, and the air inlet region is in communication with the first filter component and the second filter component;

The first filter member and the second filter member each include a first filter unit and a second filter unit surrounding the first filter unit, the first filter unit being hollow inside.
The purifier according to claim 1, wherein the first filter unit is a hollow cylindrical HEPA filter cartridge; and the second filter unit is a hollow cylindrical activated carbon cartridge.
The purifier according to claim 1, wherein the air guiding device comprises a fan body, a blade, a motor, and a windshield; the blade is disposed along an outer circumferential surface of the fan body, the fan The fan and the fan body are integrally formed; the motor is built in the fan body and connected to the fan body; the windshield is located outside the blade and is connected to the fan blade.
The purifier according to claim 3, wherein the fan blade is provided with a protrusion, and the position of the windshield corresponding to the protrusion is provided with a hollow groove, the protrusion and the The empty groove is ultrasonic welding.
A purifier according to claim 3, wherein an outer surface of said motor is provided with a heat dissipating member, said heat dissipating member comprising a heat dissipating tube disposed along an outer circumferential surface of said motor and diverging along an outer surface of said heat dissipating tube Set a number of inclined heat sinks.
A purifier according to claim 1 or 3, wherein said air exhausting means comprises an air outlet grid connecting said hollow casing, said air outlet grid comprising a center piece and said central part a plurality of air outlet sheets are disposed to be outwardly diverged, and the plurality of air outlet sheets are connected to an inner surface of the hollow casing, and the air outlet sheet has an S-shape and is inclined.
The purifier according to claim 6, wherein said air outlet sheet is said to The height of the plane where the core piece is located increases first and then decreases.
The purifier according to claim 6, wherein a position at which the inner surface of the hollow casing is connected to the air outlet piece is provided with a boss, and the air outlet piece is provided with the boss Corresponding grooves, the bosses are ultrasonically welded to the grooves.
The purifier according to claim 1, wherein a contact surface of the first filter member and the second filter member is provided with a seal ring.
The purifier according to any one of claims 3 to 5, wherein a top of the hollow casing is provided with a touch ring, and the touch ring is provided with an inductive PCB board, and the inductive PCB board is The motor is electrically connected.