CN219868336U - Water-washing air purifying device - Google Patents

Abstract

The utility model relates to the technical field of air conditioning, and discloses a water-washing air purifying device. The water-washing air purification device comprises a water tank, a fan box, an induction module and a control module. The first air inlet has been seted up to the water tank lateral wall, and first air outlet has been seted up at the top. The fan case sets up in the top of water tank, and second air intake and second air outlet have been seted up to the fan case, and the second air intake of fan case is linked together with the first air outlet of water tank. The induction module is arranged at the top of the fan case and is configured to identify personnel information in the space and generate induction information. The control module is connected to the sensing module and is configured to turn on or off the washing air purifying device according to the sensing information generated by the sensing module. The water washing air purification device can be automatically opened or closed according to the conditions in the space by arranging the induction module, so that the intellectualization of the water washing air purification device is improved.

Description

Water-washing air purifying device

Technical Field

The utility model relates to the technical field of air conditioning, in particular to a water washing air purifying device.

Background

The problem of air pollution is more remarkable along with the generation of a large amount of harmful substances due to the consumption of a large amount of energy sources, and the health of people is seriously threatened. In order to freshen air, an air purifier is required to purify the air. In order to make the air purification effect better, the existing water washing air purification device is provided with circulating water in a conventional air purifier so as to comprehensively purify dust particles, harmful gases and the like in the air.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the existing washing air purification device generally needs to use a remote controller to remotely control or manually press a start button to start running after a user enters a room, and has low intelligent degree.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the utility model and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a washing air purification device, which can be automatically opened or closed according to the conditions in space by arranging an induction module, so that the intellectualization of the washing air purification device is improved.

In some embodiments, a water-washed air purification device includes a water tank, a fan tank, an induction module, and a control module. The first air inlet has been seted up to the water tank lateral wall, and first air outlet has been seted up at the top. The fan case sets up in the top of water tank, and second air intake and second air outlet have been seted up to the fan case, and the second air intake of fan case is linked together with the first air outlet of water tank. The induction module is arranged at the top of the fan case and is configured to identify personnel information in the space and generate induction information. The control module is connected to the sensing module and is configured to turn on or off the washing air purifying device according to the sensing information generated by the sensing module.

Optionally, the fan case comprises a fan case housing, the fan case housing comprising a side wall. The sensing module is arranged at the center of the top of the side wall.

Optionally, the water-washing air-purifying device further comprises a grille. The grid covers the second air outlet of fan case, and the side of grid is provided with the response and installs the vacancy, and the installation space of response installation vacancy limited the response module.

Optionally, the sensing module includes an image pickup element or an infrared sensor element.

Optionally, the water-washing air-purifying device further comprises a battery module. The storage battery module is arranged at the lower part of the water tank and is used for storing and supplying energy. Wherein, battery module and water tank detachable connection.

Optionally, the water-washing air purification device further comprises an alarm module. The alarm module is arranged at the top of the fan case and is electrically connected with the storage battery module. The alarm module generates an alarm by sending an alarm sound or sending an alarm signal to the outside.

Optionally, the fan case further comprises a fan bracket. The fan bracket is arranged in the fan case and used for fixing the fan. Wherein, alarm module sets up in fan support top.

Optionally, the center of the grille is provided with an alarm display window, and the alarm display window is arranged corresponding to the alarm module so as to expose the alarm module when the grille is mounted to the second air outlet of the fan box.

Optionally, the water tank comprises a water curtain generating unit. The water curtain generating unit is arranged in the water tank, pumps water in the water tank to the top and sprinkles the water curtain to the periphery to form the water curtain, and air flowing from the first air inlet to the first air outlet passes through the water curtain.

Optionally, the fan case further comprises a negative ion generator. The negative ion generator is arranged in the fan case and is used for generating negative ions to further purify the air.

The washing air purification device provided by the embodiment of the disclosure can realize the following technical effects:

the water-washing air purification device comprises a water tank and a fan case, wherein the water tank is provided with a first air inlet and a first air outlet, and the fan case is provided with a second air inlet and a second air outlet. The fan box is arranged at the top of the water tank, and a first air outlet of the water tank is communicated with a second air inlet of the fan box. Under the drive of fan case, the air gets into from the first air intake of water tank, gets into the fan case from first air outlet and second air intake after the water tank purifies, finally discharges washing air purification device from the second air outlet of fan case, realizes the air purification function. The top of the fan box is also provided with an induction module which can induce whether people or the number of people exist in the space and generate induction information. The control module connected with the sensing module is used for identifying the sensing information so as to automatically start or stop the washing air purifying device, so that the washing air purifying device is more intelligent.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the utility model.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic structural view of a water-washing air-purifying device provided in an embodiment of the present disclosure;

FIG. 2 is a schematic view of a water-washable air purification apparatus according to an embodiment of the present disclosure with a portion of the housing removed;

FIG. 3 is a schematic view of a structure of a fan case with a portion of the housing removed in a water-washable air purification device provided in an embodiment of the present disclosure;

fig. 4 is a schematic view of a structure of a water tank with a part of a casing removed in a water-washing air-purifying device according to an embodiment of the present disclosure.

Reference numerals:

1: a water tank; 11: a water curtain generating unit;

2: a fan case;

3: an induction module;

4: a grille; 41: sensing a mounting vacancy; 42: an alarm display window;

5: a battery module;

6: an alarm module;

7: and a fan bracket.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

The problem of air pollution is more remarkable along with the generation of a large amount of harmful substances due to the consumption of a large amount of energy sources, and the health of people is seriously threatened. Taking coal as an example, burning coal is an important energy source, the sulfur dioxide content in the atmosphere is about 87%, the total suspended particles TSP is about 60%, the carbon dioxide is 71%, and the sodium oxide is 67%, all of which are derived from the combustion of coal, and sodium oxide is also the main cause of acid rain formation. In order to freshen air and improve living environment, people often use an air purifier installed in a room to purify the indoor air environment while seeking clean energy to improve the outdoor environment. In order to make the air purification effect better, the existing water washing air purification device is provided with circulating water in a conventional air purifier so as to comprehensively purify dust particles, harmful gases and the like in the air.

However, the existing washing air purification device generally needs to use a remote controller to remotely control or manually press a start button to start operation after a user enters a room, and has low intelligent degree.

The embodiment of the disclosure discloses washing air purification device, makes washing air purification device can open or close according to the circumstances in the space voluntarily through setting up sensing module 3, improves washing air purification device's intellectuality.

Referring to fig. 1 to 4, an embodiment of the present disclosure provides a water-washing air purification apparatus including a water tank 1, a fan case 2, an induction module 3, and a control module. The side wall of the water tank 1 is provided with a first air inlet, and the top of the water tank is provided with a first air outlet. The fan case 2 is arranged at the top of the water tank 1, the fan case 2 is provided with a second air inlet and a second air outlet, and the second air inlet of the fan case 2 is communicated with the first air outlet of the water tank 1. The induction module 3 is arranged at the top of the fan case 2, and the induction module 3 is used for identifying personnel information in a space and generating induction information. The control module is connected to the sensing module 3, and is configured to turn on or off the washing air purifying device according to the sensing information generated by the sensing module 3.

The water-washing air purification device comprises a water tank 1 and a fan case 2, wherein the water tank 1 is provided with a first air inlet and a first air outlet, and the fan case 2 is provided with a second air inlet and a second air outlet. Wherein, fan case 2 sets up in the top of water tank 1, and the first air outlet of water tank 1 is linked together with the second air intake of fan case 2. Under the drive of fan case 2, air gets into from the first air intake of water tank 1, gets into fan case 2 from first air outlet and second air intake after water tank 1 purifies, finally discharges washing air purification device from the second air outlet of fan case 2, realizes the air purification function. The top of the fan box 2 is also provided with an induction module 3, and the induction module 3 can sense whether people or the number of people exist in the space and generate induction information. The control module connected with the sensing module 3 is used for identifying sensing information to automatically start or stop the washing air purifying device, so that the washing air purifying device is more intelligent.

Optionally, the fan case 2 comprises a fan case 2 housing, the fan case 2 housing comprising a side wall. Wherein, the sensing module 3 is arranged at the center of the top of the side wall.

The induction module 3 is arranged at the top of the fan case 2, namely, the induction module 3 is positioned at the top end of the washing air purification device in height, and no structure shielding is arranged around the induction module, so that the induction module 3 can sense the whole space. The central position at the top of the side wall can reduce blind areas of the induction module 3 in the directions of the left side and the right side, so that the induction space is more complete.

Optionally, the water-washing air-purifying device further comprises a grille 4. The grid 4 covers the second air outlet of the fan box 2, an induction installation vacancy 41 is formed in the side edge of the grid 4, and the induction installation vacancy 41 defines the installation space of the induction module 3.

The grille 4 is arranged at the second air outlet of the fan case 2 and is used for preventing foreign matters from falling into the water washing air purifying device, and meanwhile, the child can be prevented from being hurt by extending hands into the water washing air purifying device by mistake. The side of the grille 4 is provided with induction mounting voids 41 to define mounting locations for the induction modules 3. Specifically, the sensing module 3 may be detachably mounted to the top of the housing sidewall of the fan case 2 through a clamping block clamping groove or fixedly mounted by a fixing mounting member such as a screw. At this time, the induction installation space 41 of the grille 4 provides an installation space in the vertical direction for the induction module 3, and the grille 4 is prevented from shielding so that the induction module 3 cannot be installed. The induction module 3 may also be directly connected to the grille 4 around the induction mounting space 41 of the grille 4. The mounting mode only needs to correspondingly arrange fixed mounting pieces on the grille 4 around the induction mounting empty space 41 of the grille 4, and the industrialized production process is simpler and more convenient.

Alternatively, the sensing module 3 includes an image pickup element or an infrared sensor element.

The sensing module 3 generates sensing information by sensing whether people exist in the space and how many people exist in the space, and the control module adjusts the washing air purifying device by identifying the sensing information. In particular, when no one is in the space, the water-washing air purifying device is turned off, so that the energy consumption can be reduced when no air purifying requirement exists. When people exist in the space and the number of people is small, the control module controls the water washing air purification device to be started and run to a low windshield outlet position. When people exist in the space and the number of people is large, the control module controls the water washing air purification device to operate and rise out of the windshield. The gear is selected according to the air purification requirement, so that the washing air purification device is more intelligent. The sensing module 3 may be configured as an image pickup element, such as a high-definition camera, and may directly generate a person image. And then sending the personnel image to a control module, and carrying out image recognition and generating induction information by the control module. The sensing module 3 may also be configured as an infrared sensor, and may identify whether or not there are people in the space and how many people there are in the space according to the infrared rays emitted from the human body.

Optionally, the water-washing air-purifying device further includes a battery module 5. The storage battery module 5 is arranged at the lower part of the water tank 1 and is used for storing and supplying energy. Wherein the battery module 5 is detachably connected with the water tank 1.

A storage battery is a device that converts chemical energy directly into electrical energy, and is a battery designed to be rechargeable. Recharging is achieved by reversible chemical reactions, commonly referred to as lead acid batteries, which are one of the batteries belonging to secondary batteries. When the storage battery is charged, external electric energy is utilized to regenerate the internal active substances, the electric energy is stored as chemical energy, and when the storage battery needs to be discharged, the chemical energy is converted into electric energy again to be output, such as a mobile phone battery commonly used in life. The battery module 5 is detachably connected with the water tank 1, and can be taken down to charge the battery. And the storage battery is fixed at the lower part of the water tank 1 through the detachable piece, so that the stability of the water tank 1 is improved. The storage battery is connected with the power supply board of the water washing air purifying device, and the water washing air purifying device is maintained to be normally shut down under the condition of sudden power failure, so that the damage of abnormal shutdown to the electric appliance is reduced. As shown in fig. 4, a water curtain generating unit 11 is provided in the water tank 1 to pump water in the water tank 1 to the top and spray around to form a water curtain for further purifying air. The water curtain generating unit 11 is arranged at the upper part of the bracket of the water tank 1, and the middle part of the bracket of the water tank 1 is a platform type, and the water curtain generating unit 11 is arranged at the middle part of the bracket by the example in fig. 4. The lower side walls of the bracket and the back plate retract forward to provide support for the platform above. The contracted rear side and rear side form a small space, and the battery module 5 may be provided. And the side and back spaces do not contact the water curtain, avoiding damage to the battery module 5 by the circulating water.

Optionally, the water-washing air-purifying device further comprises an alarm module 6. The alarm module 6 is disposed on top of the fan case 2 and electrically connected to the battery module 5. The alarm module 6 generates an alarm by emitting an alarm sound or transmitting an alarm signal to the outside.

The water-washing air purification device can be applied to families and other spaces with air purification requirements. For example, a washing air purifying device is provided in an elevator to purify the interior air environment of the elevator. The alarm module 6 can then be used for alerting when the elevator fails and the sudden power failure stops. Specifically, the alarm module 6 includes an alarm. After the alarm module 6 is pressed down, the alarm gives an alarm to the control room of the elevator through a wireless signal, so that the elevator can be timely found and repaired to prevent personnel injury. Or after the alarm module 6 is pressed down, the alarm gives out a high-volume alarm sound, so that personnel outside the elevator can timely find the elevator fault and inform the elevator manager. The alarm module 6 is electrically connected with the storage battery module 5, and the storage battery module 5 can supply power to the alarm module 6 after external power supply is abnormally disconnected, so that the alarm function of the washing air purification device is realized. The alarm module 6 is arranged at the top of the fan case 2, which is beneficial for a user to directly start the alarm module 6 from the top.

Optionally, the fan case 2 further comprises a fan bracket 7. The fan bracket 7 is arranged in the fan case 2 and is used for fixing the fan. Wherein, alarm module 6 sets up in fan support 7 top.

The fan support 7 is used for fixing the fan, and the fan support 7 is arranged to better fix the fan. The fan case 2 includes a bottom plate, side plates, and a top plate. The middle part of the bottom plate is provided with a second air inlet. The side plate and the bottom plate enclose a fan installation space. The roof is close to the lateral wall and has seted up the second air outlet. When the fan rotates, the wind at the fan is thrown to the periphery, the position of the fan is a low-pressure area, and the periphery is a high-pressure area. The roof is close to the lateral wall and is offered the second air outlet, namely second air outlet and all around high-pressure region intercommunication. The external environment of the second air outlet is a normal pressure environment, so that the pressure difference exists at the second air outlet. The air in the fan case 2 flows outside the fan case 2 from the high-pressure region of the fan case 2 by the pressure difference. The second air inlet of the fan case 2 is arranged on the bottom plate and positioned in the middle, and the second air inlet is positioned in the low-pressure area. The air in the water tank 1 is in a normal pressure environment, and the second air inlet of the fan box 2 is provided with a pressure difference. The air in the water tank 1 passes through the water curtain generated by the water curtain generating unit 11 and enters the fan case 2 under the driving of the pressure difference. Thus, air continuously enters the fan case 2 from the second air inlet at the bottom of the fan case 2, and leaves the fan case 2 from the second air outlet of the fan case 2, so that the air is driven to flow in the water washing and purifying device. An operation panel can be arranged at the top of the fan bracket 7, and the switch and the wind speed gear of the water-washing air purification device are adjusted through the operation panel. The alarm module 6 can be embedded in the operation panel, so that a user can conveniently and timely alarm under the condition of power failure.

Optionally, the grill 4 is centrally provided with an alarm display window 42, the alarm display window 42 being arranged in correspondence with the alarm module 6 so as to be able to expose the alarm module 6 when the grill 4 is mounted to the second air outlet of the fan case 2.

The center of the grille 4 is provided with an alarm display window 42, and when the grille 4 is installed on the washing air purification device, the alarm display window 42 exposes the alarm module 6 arranged on the top of the fan bracket 7, so that a user can directly operate the alarm module 6.

Alternatively, the water tank 1 comprises a water curtain generating unit 11. The water curtain generating unit 11 is disposed in the water tank 1, pumps water in the water tank 1 to the top and sprays the water around to form a water curtain, and air flowing from the first air inlet to the first air outlet passes through the water curtain.

The water tank 1 is used to store water and form an air flow passage. Specifically, the side wall of the water tank 1 is provided with a first air inlet, the top is provided with a first air outlet, air enters the water tank 1 from the first air inlet of the water tank 1, and leaves the water tank 1 from the first air outlet of the water tank 1. A water curtain generating unit 11 is provided in the water tank 1 for generating a water curtain. The water curtain is a waterfall type water flow consisting of a plurality of water flows. When the distances between the water flows are relatively close, the water flows are connected with each other under the action of the surface tension of the liquid to form a seamless water flow, and in this case, the water flow is not easily separated into a plurality of water flows visually. The water curtain generating unit 11 pumps the water in the water tank 1 to a high place and sprays the water through a single long and narrow water outlet or a plurality of water outlets arranged at intervals, thereby forming a water curtain. The water curtain generated by the water curtain generating unit 11 is located between the first air inlet and the first air outlet of the water tank 1, that is, in the air flow channel of the water tank 1. The air passing through the air flow channel passes through the water curtain, impurities such as flying flocks, dust, hair and the like in the air are adsorbed, and harmful gases such as formaldehyde and the like in the air are dissolved in the water, so that the air is purified. Meanwhile, the contact area of the air and the water is relatively large, and the humidity of the air is increased after a part of the water is evaporated.

Optionally, the fan case 2 further comprises a negative ion generator. The anion generator is arranged in the fan case 2 and is used for generating anions to further purify the air.

The negative ions are generated by the pulse oscillation circuit of the negative ion generator, the low voltage is boosted into direct current negative high voltage by the high voltage module, and negative direct current high corona is continuously generated by the tip of the carbon fiber, and a large amount of electrons are emitted at high speed. Electrons cannot exist in the air for a long time and can be immediately captured by oxygen molecules in the air, so that negative ions are formed. Can be neutralized with smoke dust floating in the air and positively charged, so that the smoke dust can be naturally deposited. The working principle of the anion generator is consistent with the phenomenon of anion generation during lightning strike of natural phenomenon. Negative ions are ubiquitous in nature. Natural phenomena such as lightning strike, photosynthesis of plants, waterfall water flow impact and the like can generate a large amount of anions, which is why people feel fresh air in thunderstorm weather, forests and waterfall. The arrangement is beneficial to the generation of negative ions, so that the water washing purification device can better realize the air purification function.

The anion generator is used for generating anions, and is provided with the anion generator, so that the purification effect of the water-washing air purification device on air can be improved, the air quality is improved, and the use experience of a user is improved. The negative ion generator comprises a generator body and an emission head. The generator body is used for generating negative ions. The emitter is connected with the generator body and extends outwards along the radial direction of the fan, and negative ions generated by the generator body are transmitted to the air of the fan box 2.

Optionally, the water-washing air purifying device is further provided with a purifying module between the water tank 1 and the fan tank 2. The top of the water tank 1 is open, and the purification module covers the opening of the top of the water tank 1.

The top of the water tank 1 is open, and the purification module covers the opening at the top of the water tank 1, so that the whole top of the water tank 1 is an air outlet of the water tank 1. The air outlet of the water tank 1 is relatively large, the purification area of the purification module can be increased, the wind resistance of air flowing through the purification module is reduced, and the purification efficiency of the water washing purification device for the air is improved.

Optionally, the side wall of the water tank 1 is constructed with a slot into which the purge module is inserted.

The purification module may be soaked with water during use, resulting in a decrease in purification capacity, and the purification module itself may need to be periodically cleaned or replaced. The side wall of the water tank 1 is provided with a slot, and the purification module is in a drawing installation mode. Thus, the purification module is convenient to install and detach. The setting form is convenient for users to use.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A water-washable air purification apparatus, comprising:

the side wall of the water tank is provided with a first air inlet, and the top of the water tank is provided with a first air outlet;

the fan box is arranged at the top of the water tank, a second air inlet and a second air outlet are formed in the fan box, and the second air inlet of the fan box is communicated with the first air outlet of the water tank;

the induction module is arranged at the top of the fan box and is used for identifying personnel information in a space and generating induction information;

the control module is connected with the induction module and is used for opening or closing the washing air purification device according to induction information generated by the induction module.

2. The water-washable air purification apparatus of claim 1, wherein said fan case comprises:

a fan case housing, the fan case housing including a sidewall,

the induction module is arranged at the center of the top of the side wall.

3. The water-washable air purification apparatus of claim 1, further comprising:

the grid covers the second air outlet of fan case, the side of grid is provided with the response installation vacancy, the response installation vacancy defines the installation space of response module.

4. A water-washable air purification apparatus according to claim 1, wherein,

the sensing module includes an image pickup element or an infrared sensor element.

5. A water-washable air purification apparatus according to claim 3, further comprising:

the storage battery module is arranged at the lower part of the water tank and is used for storing and supplying energy,

wherein, the battery module is detachably connected with the water tank.

6. The water-washable air purification apparatus of claim 5, further comprising:

the alarm module is arranged at the top of the fan box and is electrically connected with the storage battery module, and the alarm module generates an alarm by sending out an alarm sound or sending an alarm signal to the outside.

7. The water-washed air purification apparatus of claim 6, wherein the fan box further comprises:

the fan bracket is arranged in the fan box and is used for fixing a fan,

wherein, alarm module set up in fan support top.

8. The water-washed air purification apparatus as claimed in claim 6, wherein,

the center of the grille is provided with an alarm display window, and the alarm display window is arranged corresponding to the alarm module so as to expose the alarm module when the grille is mounted to the second air outlet of the fan case.

9. The water-washable air purification apparatus according to any one of claims 1 to 8, wherein said water tank comprises:

the water curtain generating unit is arranged in the water tank, pumps water in the water tank to the top and sprays the water to the periphery to form a water curtain, and air flowing from the first air inlet to the first air outlet passes through the water curtain.

10. The water-washable air purification apparatus of any of claims 1-8, wherein said fan case further comprises:

the negative ion generator is arranged in the fan box and is used for generating negative ions to further purify air.