WO2020098485A1

WO2020098485A1 - Air purification and humidification device

Info

Publication number: WO2020098485A1
Application number: PCT/CN2019/114033
Authority: WO
Inventors: 刘光朋; 史为品
Original assignee: 青岛海尔空调器有限总公司; 海尔智家股份有限公司
Priority date: 2018-11-15
Filing date: 2019-10-29
Publication date: 2020-05-22
Also published as: CN109442628A; CN109442628B

Abstract

An air purification and humidification device comprises a base and a purification and humidification unit connected to the base. The purification and humidification unit comprises a vertically arranged cylindrical housing and the following devices provided inside the housing: a first filter assembly, a second filter assembly, a humidification assembly and a fan. A cylindrical air grating is arranged in a circumferential direction of the housing. A first air inlet and a second air inlet are respectively arranged at upper and lower ends of the housing viewed in an axial direction. An air guide channel is formed at the base. The second air inlet is in communication with an external environment by means of the air guide channel. The humidification assembly can generate mist. The air purification and humidification device provides satisfactory purification and humidification functions while maintaining a compact size.

Description

Air purification humidifier

Technical field

The invention relates to the technical field of air treatment, in particular to an air purification humidifier.

Background technique

With the continuous improvement of living standards, people pay more and more attention to indoor air quality. In order to create a good living environment and improve indoor air quality, people usually buy various electrical appliances that can improve air quality. For example, people will purchase a humidifier to adjust the indoor humidity and a purifier to adjust the indoor air quality. But in this way, a variety of electrical appliances will be placed in the home at the same time, which not only increases the purchase cost, but also takes up a lot of indoor space.

For this reason, there are some devices on the market that integrate purification and humidification-such as purification and humidifiers, in order to solve the above problems. However, in order to achieve the integration of the two functions, the current integrated purification humidifier is only a simple patchwork of the purifier and humidifier in structure, so the following contradiction will be highlighted: if you want to achieve the same as a single purifier or humidifier The effective area of the integrated purification humidifier will be very large, which makes it inconvenient to move and use; on the contrary, if you want to reduce the volume, then there will be problems with limited purification and humidification effects. In other words, the existing integrated purification and humidifier has a problem that it cannot balance the volume of the device and the purification and humidification effect.

Accordingly, a new air purification humidifier is needed in the art to solve the above problems.

Summary of the invention

In order to solve the above problems in the prior art, that is, in order to solve the problem that the existing integrated purification humidifier cannot balance volume and effect, the present invention provides an air purification humidifier, the air purification humidifier includes a base and A purification and humidification unit connected to the base body, the purification and humidification unit includes a cylindrical casing and a first filter assembly, a second filtration assembly, a humidification assembly and a fan provided inside the casing, and the shaft of the casing The direction is vertical, a circumferential air grille is provided in the circumferential direction of the housing, and a first air inlet and a second air inlet are respectively provided at the upper and lower ends of the housing along the axial direction, and the first filter The component is disposed adjacent to the first air inlet, the second filter component is disposed adjacent to the second air inlet, the base body is provided with an air inlet channel, and the second air inlet is communicated with the outside through the air inlet channel , The humidification assembly can generate water mist, and the purification and humidification unit is configured to be able to introduce indoor air into the casing through the first air inlet and the second air inlet under the driving of the fan and separately After passing through the first filter assembly and the second filter assembly, the water mist generated by the humidification assembly is discharged through the circumferential wind grille.

In the above preferred technical solution of the air purification humidifier, the humidification assembly includes a water tank and an ultrasonic atomizer, and the water tank includes a plurality of rings arranged between the fan and the housing along the axial direction Water storage box and a plurality of communication boxes communicating with the plurality of water storage boxes along the axial direction, an outer side of the water storage box located at the uppermost side is provided with a water inlet, and the water storage located at the lowermost The ultrasonic atomizer is provided on the box.

In the above preferred technical solution of the air purification humidifier, a filling port is opened outside the casing, and the filling port communicates with the water inlet; and / or the water tank is integrally formed.

In the above preferred technical solution of the air purification humidifier, the fan includes a motor and two fan blades arranged back-to-back. A motor seat is provided in the middle of the second filter assembly, the motor is installed in the motor seat, and the output shaft of the motor is connected to the bearing after passing through the two fan blades.

In the above preferred technical solution of the air purification humidifier, the two fan blades are both centrifugal fan blades; and / or the two fan blades are staggered along the axial direction; and / or the two fan blades There is a partition between them.

In the above preferred technical solution of the air purification humidifier, the filter assembly is a HEPA filter; and / or the first air inlet grille and the second air inlet grille Binary style grille.

In the above preferred technical solution of the air purification humidifier, the base body includes a base, a lifting portion and a supporting portion, the base is connected to the supporting portion through the lifting portion, and the supporting portion is connected to the purification and humidification unit .

In the above preferred technical solution of the air purification humidifier, the support portion includes a body and a plurality of support ribs, the body is connected to the lifting portion, and the support ribs are connected to the lower end of the housing.

In the above preferred technical solution of the air purification humidifier, an electrical control box is provided on the body, an electrical control component is installed in the electrical control box, and the cross-sectional area of the electrical control box is along the axial direction from below The supremacy gradually decreases.

In the above preferred technical solution of the air purification humidifier, the lifting portion is a hydraulic lifting mechanism; and / or a plurality of rolling elements are provided on the bottom surface of the base.

Those skilled in the art can understand that in a preferred technical solution of the present invention, the air purification humidifier includes a base body and a purification humidification unit connected to the base body, the purification humidification unit includes a cylindrical housing and a first housing disposed inside the housing A filter component, a second filter component, a humidification component and a fan, the axial direction of the housing is vertical, the circumferential direction of the housing is provided with a circumferential air grid, and the housing is provided with first inlets at the upper and lower ends For the air inlet and the second air inlet, the first filter assembly is adjacent to the first air inlet, the second filter assembly is adjacent to the second air inlet, the base body is provided with an air inlet channel, and the second air inlet is connected to the outside through the air inlet channel for humidification The module can generate water mist, and the purification and humidification unit is set to be able to introduce indoor air into the housing through the first air inlet and the second air inlet under the driving of the fan, and pass through the first filter assembly and the second filter assembly respectively, and The water mist generated by the humidification component is discharged through the circumferential air grille together.

Through the above arrangement, the air purification humidifier of the present invention takes into account the volume and effect of the device on the basis of satisfying the purification and humidification functions, and greatly improves the user experience. Specifically, after repeated experiments, observations, analysis, and comparisons by the inventors, by arranging the humidification assembly, the first filter assembly, the second filter assembly, and the fan in the housing at the same time, the purification humidifier of the present invention can meet the same Under the effect of humidification and purification, the volume of the purification humidifier is greatly reduced, making the transportation and movement of the air purification humidifier very convenient. By providing a circumferential air grille in the circumferential direction of the casing, the fan discharges the indoor air along the circumferential air grille, which also enables the purification humidifier of the present invention to greatly increase the effective area of purification and humidification, and improve the working efficiency of the purification humidifier. By providing the first air inlet and the second air inlet, the air purifying humidifier of the present invention can enter the air from the two air inlets at the same time, greatly increasing the air intake, thereby improving the operating efficiency.

BRIEF DESCRIPTION

The air purification humidifier of the present invention will be described below with reference to the drawings. In the drawings:

1 is a front view of the air purification humidifier of the present invention;

2 is a cross-sectional view of the air purification humidifier of the present invention;

3 is a structural diagram of a fan blade of the air purification humidifier of the present invention;

4A is a front view of the water tank of the air purification humidifier of the present invention;

4B is a top view of the water tank of the air purification humidifier of the present invention;

4C is an isometric view of the water tank of the air purification humidifier of the present invention;

5 is a schematic diagram of the working principle of the air purification humidifier of the present invention.

List of reference signs

1. Base; 11. Base; 111. Rolling parts; 12. Lifting section; 13. Supporting section; 131, body; 132, supporting ribs; 133, air channel; 134, electric control box; 3. Purification and humidification unit; 31. Housing; 311, first inlet grille; 312, second inlet grille; 313, circumferential air grille; 314, filling port; 315, motor base; 316, bearing mount; 32, humidification assembly; 321, water tank; 3211, water storage box; 3212, communication box; 3213, water inlet; 322, ultrasonic atomizer; 331, first filter assembly; 332, second filter assembly; 34, fan; 341, motor; 342 , Fan blades; 343, partitions; 344, bearings.

detailed description

The preferred embodiments of the present invention are described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the support portion and the housing in the drawing are of an integrally formed structure, this connection relationship is not static, and those skilled in the art can adjust it as needed to adapt to specific applications. For example, the connection relationship between the two can also be a snap connection, a screw connection, welding or bonding.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The terminology of the indicated direction or positional relationship is based on the direction or positional relationship shown in the drawings, this is for convenience of description only, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operate in a specific orientation Therefore, it cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", and "third" are for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

In addition, it should also be noted that, in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connected", "connected" should be broadly understood, for example, may be fixed connection, or It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the connection between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

First, referring to FIGS. 1 and 2, the air purification humidifier of the present invention will be described. Among them, FIG. 1 is a front view of the air purification humidifier of the present invention; FIG. 2 is a cross-sectional view of the air purification humidifier of the present invention.

As shown in FIG. 1, in order to solve the problem that the purification humidifier in the prior art cannot balance volume and effect, the air purification humidifier of the present invention mainly includes a base body 1 and a purification humidification unit 3 connected to the base body 1. The purification humidification unit 3 includes A cylindrical casing 31 and a first filter assembly 331, a second filter assembly 332, a humidification assembly 32, and a fan 34 provided inside the casing 31. The axial direction of the housing 31 is substantially vertical, and a circumferential air grille 313 is provided in the circumferential direction, and a first air inlet and a second air inlet are respectively provided at the upper and lower ends, and the first air inlet and the second air inlet are respectively provided There are a first inlet grille 311 and a second inlet grille 312, the first filter assembly 331 is disposed adjacent to the first grille, and the second filter assembly 332 is disposed adjacent to the second grille. The upper part of the base 1 is provided with an air introduction channel 133 through which the second air inlet communicates with the external environment. A humidifying liquid (such as purified water) is stored in the humidifying component 32, and the humidifying component 32 can generate water mist.

When the air humidifier is working, the fan 34 rotates at a high speed, and the indoor air is introduced into the housing 31 through the first inlet grille 311 and the second inlet grille 312 along the axial direction of the casing 31 and passes through the filter assembly 33. After filtering, it is thrown out in the radial direction of the housing 31 under the action of the fan 34, and the water mist generated by the humidification assembly 32 is discharged through the circumferential wind grille 313 during the throwing process.

Through the above arrangement, the air purification humidifier of the present invention takes into account the volume and effect of the device on the basis of satisfying the purification and humidification functions, and greatly improves the user experience. Specifically, after repeated experiments, observations, analysis, and comparisons by the inventors, by arranging the humidification assembly 32, the first filter assembly 331, the second filter assembly 332, and the fan 34 in the housing 31 at the same time, the purification and humidification of the present invention The humidifier can greatly reduce the volume of the purification humidifier under the same humidification and purification effect, making the air purification humidifier very convenient to carry and move. By providing a circumferential air grille 313 in the circumferential direction of the housing 31, the fan 34 discharges indoor air along the circumferential air grille 313, and also enables the purification humidifier of the present invention to greatly increase the area of purification and humidification, and improve the purification humidifier Work efficiency. By providing the first air inlet and the second air inlet, the air purifying humidifier of the present invention can enter the air from the two air inlets at the same time, greatly increasing the air intake, thereby improving the operating efficiency.

The air purification humidifier of the present invention will be further described below with further reference to FIGS. 1 to 4C. 3 is a structural view of the fan blade 342 of the air purifying humidifier of the present invention; FIG. 4A is a front view of the water tank 321 of the air purifying humidifier of the present invention; FIG. 4B is a water tank 321 of the air purifying humidifier of the present invention 4C is an isometric view of the water tank 321 of the air purification humidifier of the present invention.

As shown in FIGS. 1 and 2, in a preferred embodiment, the base 1 includes a base 11, a lifting portion 12 and a supporting portion 13. The base 11 is connected to the supporting portion 13 through the lifting portion 12, and the supporting portion 13 is connected to the purification The humidification unit 3 is connected. Among them, a plurality of rolling elements 111 are provided below the base 11, such as universal wheels, the lifting portion 12 is a hydraulic lifting mechanism, the supporting portion 13 includes a body 131 and a plurality of supporting ribs 132 provided on the body 131, the body 131 and the lifting portion 12 connection, the support rib 132 is connected to the lower end of the housing 31, so that an air channel 133 is formed between the body 131, the support rib 132 and the lower end of the housing 31. The main body 131 is also provided with an electric control box 134, and an electric control component is installed in the electric control box 134. The electric control component is used to control the start and stop of the fan 34 and / or the rise and fall of the hydraulic lifting mechanism. Preferably, the area enclosed by the outer edge of the electric control box 134 gradually decreases from bottom to top in the vertical direction. As shown in FIG. 2, an arc transition is formed between the top and bottom of the electric control box 134.

As shown in FIGS. 2 and 3, as shown in FIG. 2, the first filter assembly 331 is disposed at the first inlet grille 311, and the second filter assembly 332 is disposed at the second inlet grille 312. Both the first filter assembly 331 and the second filter assembly 332 are filter structures that can absorb or decompose harmful gases in the air, such as HEPA filters or activated carbon filters, etc. HEPA filters usually include three filter layers (primary filter layer, charge (Electric layer, electrostatic dust collection layer), the removal efficiency of particles with a diameter of 0.3 microns or less can reach more than 99.97%. The fan 34 includes a motor 341 and two fan blades 342 disposed back-to-back. The second filter assembly 332 is provided with a motor base 315, and the motor 341 is installed in the motor base 315. The first filter assembly 331 is provided with a bearing seat 316, a bearing 344 is nested in the bearing seat 316, and the output shaft of the motor 341 is connected to the bearing 344 after passing through the two blades 342. Two of the fan blades 342 are centrifugal fan blades 342, a partition 343 is provided between the two fan blades 342, and the two fan blades 342 are arranged offset in the axial direction. Referring to FIG. 3, the two blades 342 are misaligned, that is, the projections of each opposing blade of the two blades 342 in the axial direction do not coincide. Preferably, the first inlet grille 311 is provided with a hole adapted to the bearing seat 316, and the first inlet grille 311 is sleeved with the bearing seat 316 through the hole and is closely attached to the first filter assembly 331. Similarly, the second inlet grille 312 is provided with a hole matched with the motor base 315, and the second inlet grille 312 is sleeved with the motor base 315 through the space and closely adhered to the second filter assembly 332.

Referring to FIGS. 2, 4A to 4C, the humidification assembly 32 includes a water tank 321 and an ultrasonic atomizer 322, and the water tank 321 further includes two annular water storage boxes 3211 arranged along the axial direction of the housing 31 and along the axis Two arc-shaped communication boxes 3212 communicating with the two water storage boxes 3211 respectively. A water inlet 3213 is provided on the outer side of the uppermost water storage box 3211, and a filling port 314 is opened at a position corresponding to the outer side of the housing 31, and the filling port 314 communicates with the water inlet 3213. According to the orientation shown in FIG. 4A, two ultrasonic atomizers 322 are provided on the lowermost water storage box 3211, and the two ultrasonic atomizers 322 are provided on the upper side of the annular water storage box 3211 in the axial direction, and Located in the hollow between the two connecting boxes 3212. More preferably, the two water storage boxes 3211 and the upper communication box 3212 may be integrally formed.

The advantage of the above installation method is that: by providing a universal wheel under the base 11, and a hydraulic lifting mechanism between the base 11 and the support portion 13, the air purification humidifier of the present invention can be moved and adjusted up and down, thus satisfying the difference High demand for humidification and purification. The main body 131, the reinforcement ribs of the support portion 13 and the lower end of the housing 31 are surrounded to form an air induction channel 133, which can effectively increase the air intake amount, and the electric control box 134 is provided with a curved transition between the top and bottom. The indoor air is diverted to make the air enter the housing 31 more smoothly, and it can also exchange heat with the electronic control components inside the electric control box 134 to reduce the temperature of the electronic control components. The setting method of the fan 34 driving the double blades 342 greatly increases the air intake volume, and accordingly reduces the noise under the same air intake volume. The partition 343 and the blade dislocation between the double blades 342 are provided to ensure that the air supply between the double blades 342 does not interfere with each other, and the phenomenon of unbalanced rotation of the fan 34 due to the centrifugal force is effectively prevented, further reducing the operation Jitter and noise. The filter assembly 33 uses a HEPA filter, which greatly enhances the purification effect. The first inlet grille 311 and the first filter assembly 331 are sleeved on the bearing housing 316, and the second inlet grille 312 and the second filter assembly 332 are sleeved on the motor base 315. The space in the housing 31 is further compressed, further reducing the volume of the device.

In addition, the water tank 321 is provided in the form of a combination of two annular water storage boxes 3211 and two connection boxes. The structure is novel and unique. Not only can the water tank 321 be nested outside the fan 34, which greatly reduces the volume of the air purification humidifier. The air output of the fan 34 and the water storage capacity of the water tank 321 are also guaranteed. The uppermost water storage box 3211 is provided with a water outlet and the water outlet is in communication with the water inlet on the casing 31, so that the user can add water without removing the water tank 321, which improves the convenience of use of the present invention. The choice of the ultrasonic atomizer 322 can not only humidify the air, but also combine with the smoke and dust floating in the air to make it settle during the atomization process, thereby making the air cleaner.

It should be noted that the above preferred embodiments are only used to illustrate the principles of the present invention, and are not intended to limit the protection scope of the present invention. Without deviating from the principle of the present invention, those skilled in the art can adjust the above setting manners, so that the present invention can be applied to more specific application scenarios.

For example, in an alternative embodiment, the composition of the water tank 321 and the form of the atomizing device are not unique, as long as the water tank 321 can be arranged between the housing 31 and the fan 34, the atomizing device can The conditions for generating water mist are sufficient. For example, the water tank 321 can also be a combination of a plurality of ring-shaped water storage boxes 3211 and a connection box, the atomizing device can also be an evaporative humidifier, an electrode humidifier, etc. The water tank 321 can also be provided in a non-integral shape, but by bonding. Sealed connection and other forms.

As another example, in another alternative embodiment, the installation position of the water inlet 3213 can be arbitrarily adjusted, as long as it is ensured at a high position of the water tank 321, and it is convenient to add water.

As another example, in another alternative embodiment, the installation position of the motor seat 315 and the installation position of the bearing seat 316 can be reversed, that is, the bearing seat 316 is provided on the first filter assembly 331, and the motor is provided on the second filter assembly 332 Seat 315, the reverse installation of the fan 34 is sufficient.

As another example, in another alternative embodiment, the installation form of the fan 34 can also be adjusted, as long as the adjustment can meet the conditions of bidirectional air intake and radial air output. For example, the partition plate 343 may not be provided between the two fan blades 342, and may also be properly positioned between the two fan blades 342.

As another example, in another alternative embodiment, the transition between the top and bottom of the electric control box 134 may also be any curved surface, as long as the curved surface satisfies the condition that the area enclosed from bottom to top gradually decreases. can. For example, it can also be a conical surface. Of course, on the premise of ensuring the air introduction channel 133, the electric control box 134 may also be set in a conventional manner, or may not be set.

As another example, in another alternative embodiment, the rolling element 111 may be any other roller than the universal wheel, and the lifting portion 12 may be other forms than the hydraulic lifting mechanism, such as a screw mechanism and a rack and pinion mechanism. Wait.

For another example, in another alternative embodiment, the support portion 13 and the housing 31 may also be connected by snap connection, screw connection, welding, or adhesion.

Of course, the above-mentioned alternative implementations, and between the alternative implementations and the preferred implementations can also be used in conjunction with each other, so that new implementations are combined to apply to more specific application scenarios. For example, on the basis of the preferred embodiment, the hydraulic lifting mechanism can be replaced with a screw mechanism, and at the same time, the support portion 13 and the housing 31 can be screwed together, thereby combining a new embodiment.

The working principle of the air purification humidifier of the present invention will be briefly described below with reference to FIGS. 2 and 5. Among them, FIG. 5 is a schematic diagram of the working principle of the air purification humidifier of the present invention.

As shown in FIGS. 2 and 5, when the air purification humidifier is in operation, the two blades 342 driven by the motor 341 are rotated at high speed and smoothly, and the indoor air above the casing 31 is sucked into the casing through the first inlet grille 311 The body 31, the indoor air located under the housing 31 is sucked into the housing 31 through the second inlet grille 312 under the guidance of the drainage channel, and also cools the electronic control component during the suction process. After the air is efficiently filtered by the HEPA filter, most of the particles in the air are removed. The remaining clean air is driven by the fan blade 342 along the radial direction of the housing 31. During the throwing process, the ultrasonic atomizer The water mist generated by 322 is blown out from the circumferential wind grille 313 together, thereby humidifying and purifying the indoor air.

In summary, the advantages of the air purification humidifier of the present invention are:

1) It integrates the functions of purification and humidification, has a novel structure, is easy to use, and has strong space mobility. 2) The water tank 321 is easy to add water, and it can be easily added without removing the shell. The water can be placed in a low position through the hydraulic rod, without the need to raise the arm to add water, reducing labor intensity. 3) The air supply scheme is unique and novel, and the double-entry grille design ensures a large air intake and low noise. 4) The water tank 321 is provided between the casing 31 and the fan 34, while ensuring the water storage capacity, the volume of the air purification humidifier is greatly reduced, and the volume and the effect are both taken into consideration. 5) The setting of the air-inducing channel 133 can increase the air intake; the transition surface between the top and bottom of the electric control box 134 can not only play a diversion role, but also cool the electric control components. 6) The air purification humidifier can increase the indoor humidity, so that the human body's physiology and thinking are in a good state, and work and rest have good results, and healthy humidity can not only inhibit the growth and spread of bacteria, but also improve immunity. Secondly, the air humidifier also has the effect of purifying the environment. During the atomization process, the ultrasonic atomizer 322 releases a large amount of negative oxygen ions, which can not only effectively increase the indoor humidity, moisturize the dry air, but also with the smoke floating in the air, The combination of dust causes it to settle, thereby effectively removing the smell of paint, musty, smoke and odor, and making the air more fresh.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or replacements to the related technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.

Claims

An air purification humidifier, wherein,

The air purification humidifier includes a base body and a purification and humidification unit connected to the base body,

The purification and humidification unit includes a cylindrical casing, and a first filter assembly, a second filter assembly, a humidification assembly, and a fan provided inside the casing,

The axial direction of the casing is vertical, and a circumferential wind grille is provided in the circumferential direction of the casing,

A first air inlet and a second air inlet are respectively provided at the upper and lower ends of the housing along the axial direction, the first filter assembly is disposed adjacent to the first air inlet, and the second filter assembly is adjacent to the The second air inlet is set,

The base body is provided with an air introduction channel, and the second air inlet communicates with the outside through the air introduction channel,

The humidification component can generate water mist,

The purification and humidification unit is arranged to be able to introduce indoor air into the casing through the first air inlet and the second air inlet under the driving of the fan, and respectively pass through the first filter assembly and the first After the second filter assembly, the water mist generated by the humidification assembly is discharged through the circumferential wind grille.
The air purification humidifier according to claim 1, wherein

The humidification component includes a water tank and an ultrasonic atomizer,

The water tank includes a plurality of annular water storage boxes arranged between the fan and the housing along the axial direction, and a plurality of communication boxes communicating with the plurality of water storage boxes along the axial direction ,

A water inlet is provided on the outer side of the water storage box located at the top, and the ultrasonic atomizer is provided on the water storage box located at the bottom.
The air purification humidifier according to claim 2, wherein:

A filling port is opened outside the casing, and the filling port communicates with the water inlet; and / or the water tank is integrally formed.
The air purification humidifier according to claim 1, wherein

The fan includes a motor and two fan blades arranged back-to-back,

A bearing seat is provided in the middle of the first filter assembly, and a bearing is nested in the bearing seat,

A motor seat is provided in the middle of the second filter assembly, and the motor is installed in the motor seat. The output shaft of the motor passes through the two fan blades and is connected to the bearing.
The air purification humidifier according to claim 4, wherein

The two fan blades are centrifugal fan blades; and / or

The two fan blades are arranged offset along the axial direction; and / or

A partition is provided between the two fan blades.
The air purification humidifier according to claim 1, wherein

The filter assembly is a HEPA filter; and / or

A first air inlet grille and a second air inlet grille are respectively provided at the first air inlet and the second air inlet.
The air purification humidifier according to any one of claims 1 to 6, wherein:

The base body includes a base, a lifting portion, and a supporting portion, and the base is connected to the supporting portion through the lifting portion, and the supporting portion is connected to the purification and humidification unit.
The air purification humidifier according to claim 7, wherein

The support portion includes a body and a plurality of support ribs, the body is connected to the lifting portion, and the support ribs are connected to the lower end of the housing.
The air purification humidifier according to claim 8, wherein

An electrical control box is provided on the body, and an electrical control component is installed in the electrical control box, and the cross-sectional area of the electrical control box has a tendency to decrease from bottom to top along the axial direction.
The air purification humidifier according to claim 7, wherein:

The lifting section is a hydraulic lifting mechanism; and / or

A plurality of rolling elements are provided on the bottom surface of the base.