WO2022257484A1 - Water air purifying apparatus, air conditioner indoor unit, and air conditioner - Google Patents

Abstract

Provided in the present invention are a water air purifying apparatus, an air conditioner indoor unit, and an air conditioner, overcoming the problem in the prior art of a water curtain formed by the water air purifying device having no effect on living substances, such as bacteria, in the air, making it difficult to ensure quality of air that enters indoors. The water air purifying apparatus comprises: a water tank, an air outlet duct, and a negative ion unit. The water tank is disposed at a lower end of the air outlet duct. The negative ion unit is provided with a high-voltage generating circuit module and a negative ion generator, the high-voltage generating circuit module being electrically connected to the negative ion generator, and the negative ion generator being used to generate negative ions under the action of a high-voltage current provided by the high-voltage generating circuit module; the negative ions can come in contact with a water purifying liquid in the water tank and form water ions.

Description

Water washing air device, air conditioner internal unit and air conditioner

This application claims the priority of the Chinese patent application with the application number 202110629675.2 and the application name "water washing air device, air conditioner internal unit and air conditioner" submitted to the China Patent Office on June 07, 2021, the entire contents of which are incorporated herein by reference Applying.

technical field

The invention relates to the technical field of air conditioners, in particular to a water washing air device, an air conditioner inner unit and an air conditioner.

Background technique

With the development of air treatment technology, the application of air purification and humidification equipment is becoming more and more common. Household appliances such as air conditioners are gradually equipped with washing air devices to increase product functions and improve user experience.

In the related art, the water washing air device generally includes a water tank, a water washing unit and an air-driven motor. The water washing unit is generally installed inside the water tank. The air driving motor is connected to the water washing unit to drive the water washing unit to rotate. The water is thrown out to form a water curtain, and the water curtain is used to contact the air entering the water washing air device, so as to realize the water washing and purification of the air.

However, when the water curtain formed by the above water-washing air device is in contact with air, the water curtain can combine with particulate matter or soluble matter in the air, and has no effect on active substances such as bacteria in the air, and it is difficult to ensure the quality of the air entering the room .

Contents of the invention

The present invention provides a water-washing air device, an air-conditioning internal unit and an air-conditioner to overcome the problem that the water curtain formed by the water-washing device in the prior art has no effect on active substances such as bacteria in the air, which makes it difficult to ensure the quality of the air entering the room question.

The washing air device provided on the one hand of the present invention comprises: a water tank, an air outlet duct and an anion unit; the water tank is arranged at the lower end of the outlet air duct; the anion unit has a high-voltage generation circuit module and an anion generator, The high-voltage generating circuit module is electrically connected to the negative ion generator, and the negative ion generator is used to generate negative ions under the action of the high-voltage current provided by the high-voltage generating circuit module, and the negative ions can contact with the washing liquid in the water tank to form water ion.

In one of the possible implementation manners, the water washing air device further includes: a water washing unit and an air driving motor, the air driving motor is used to drive the water washing unit to rotate to form in the water tank the air used to enter the water tank A contacting water curtain; the anion generator is set correspondingly to the water washing unit, and the anions generated by the anion generator can contact the water curtain and form water ions.

In one possible implementation manner, the high-voltage generating circuit module and the negative ion generator of the negative ion unit are installed in the air outlet duct.

In one possible implementation manner, the high-voltage generating circuit module is installed to the air outlet duct, and the negative ion generator is installed to the top cover of the water tank.

In one of the possible implementations, the negative ion unit also includes an insulating housing, the high-voltage generating circuit module and the negative ion generator are installed in the housing, and the insulating housing is provided with a A through hole through which the probe protrudes; the insulating shell is connected with the top cover of the water tank.

In one possible implementation manner, the top cover of the water tank is provided with a mounting hole, the insulating shell is inserted into the mounting hole, and the insulating shell is sealingly fitted with the mounting hole.

In one of the possible implementations, the insulating casing has a box body and a mounting plate, the box body is used to accommodate the high voltage generating circuit module and the negative ion generator, and the mounting plate is connected to the The upper end is turned outward relative to the box body, and the installation plate is connected with the top cover of the water tank.

In one of the possible implementation manners, the insulating shell is provided with an extension column extending downward, and the extension column is provided with a through hole for the probe to protrude downward; the extension column is conical, and the extension column is conical. The diameter of the upper end of the extension column is larger than the diameter of the lower end.

Another aspect of the present invention provides an air conditioner indoor unit, comprising the fresh air device described in any one of the foregoing and a casing, the fresh air device being installed on the casing.

The air conditioner provided by another aspect of the present invention includes an air conditioner external unit and an air conditioner internal unit as described above, which are connected to each other.

The water-washing air device, the air conditioner internal unit and the air conditioner provided by the present invention are provided with an anion unit, and the anion unit has a high-voltage generating circuit module and an anion generator. Under the action of the high-voltage current provided by the high-voltage generating circuit module, the anion generator can release multiple A large number of electrons, electrons are captured by oxygen molecules in the air to form negative ions, negative ions can contact with the water in the water tank and form water ions, water ions can not only precipitate particles and solubles in the air, but also make bacteria in the air The viability of other active substances is reduced or killed, which can effectively improve the quality of the air entering the room.

Description of drawings

The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and the present invention is not limited to the following specific embodiments.

Fig. 1 is a schematic structural view of a water washing air device provided by an exemplary embodiment of the present invention;

Fig. 2 is the first installation schematic diagram of the negative ion unit in the water washing air device provided by an exemplary embodiment of the present invention;

Fig. 3 is the installation schematic diagram II of the negative ion unit in the water washing air device provided by an exemplary embodiment of the present invention;

Fig. 4 is a schematic diagram of the installation of the negative ion unit in the water washing air device provided by another exemplary embodiment of the present invention.

Explanation of reference signs: 1-washing air device; 11-water tank; 111-top cover of water tank; 13-air outlet duct; 131-air inlet; 132-air supply port; 15-negative ion unit; Module; 152-negative ion generator; 1521-probe; 153-insulating shell; 1531-box body; 1532-installation plate; 1533-extension column.

Detailed ways

The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and the present invention is not limited to the following specific embodiments.

In the related art, the water washing air device generally includes a water tank, a water washing unit and an air-driven motor. The water washing unit is generally installed inside the water tank. The air driving motor is connected to the water washing unit to drive the water washing unit to rotate. The water is thrown out to form a water curtain, and the water curtain is used to contact the air entering the water washing air device, so as to realize the water washing and purification of the air.

However, when the water curtain formed by the above-mentioned water washing air device contacts with air, the water curtain can combine with particulate matter or soluble matter in the air, and has no effect on active substances such as bacteria in the air, and it is difficult to ensure the quality of the air entering the room .

In order to overcome the above-mentioned problems, an embodiment of the present invention provides an air conditioner. By setting an anion unit, the anion unit has a high-voltage generating circuit module and an anion generator. Under the action of the high-voltage current provided by the high-voltage generating circuit module, the release tip of the anion generator A large amount of electrons can be released, and the electrons are captured by oxygen molecules in the air to form negative ions. The negative ions can contact the water in the water tank and form water ions. The water ions contact the air to achieve the purpose of purification, and the purified air passes through The wind duct is sent into the room. In this way, it can not only precipitate particulate matter and soluble matter in the air, but also reduce the viability or death of active substances such as bacteria in the air, thereby effectively improving the quality of the air entering the room.

For ease of understanding, a brief description of the main structure and working process of the air conditioner is given first. What needs to be explained first is that the air conditioner usually includes an air conditioner external unit and an air conditioner internal unit according to the installation location. The condensed refrigerant liquid is sent to the evaporator of the air conditioner internal unit to absorb the heat in the room; the air conditioner internal unit mainly uses the refrigerant liquid delivered by the air conditioner external unit to exchange heat with the indoor air, so as to achieve the purpose of heat exchange. The air-conditioning internal unit also has the function of blowing air and controlling the air-conditioning system.

The technical solution of the air conditioner of this embodiment will be described in detail below in combination with the above introduction to the air conditioner.

The air conditioner in this embodiment includes an air conditioner inner unit and an air conditioner outer unit, and the air conditioner inner unit includes a casing and a water washing air device. The water-washing air device can be arranged at any suitable position of the casing, for example, the water-washing air device can be arranged at the bottom of the casing, the water-washing air device can also be arranged at the top of the casing, and the water-washing air device can also be arranged in the air conditioner .

The water washing air device may have an air inlet and an air outlet. The air inlet of the water washing air device can be used for fresh air to enter the water washing air device for water washing and purification, and the air outlet of the water washing air device can be used for the fresh air after washing and purification to flow out. The air outlet of the water washing air device can be connected with the air duct of the air conditioner inner unit, so that the washed and purified air can pass through the heat exchanger of the air conditioner inner unit and then be blown out from the air outlet of the air conditioner inner unit, so as to achieve the purpose of air purification and temperature adjustment .

The structure, function and realization process of the water washing air device will be illustrated below in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural view of a water washing air device provided by an exemplary embodiment of the present invention; Fig. 2 is a schematic diagram of installation of an anion unit in a water washing air device provided by an exemplary embodiment of the present invention; Fig. 3 is an exemplary embodiment of the present invention The second schematic diagram of the installation of the negative ion unit in the water washing air device provided in the embodiment.

Please refer to FIG. 1 to FIG. 3 , the washing air device 1 provided in this embodiment includes: a water tank 11 , an air outlet duct 13 and a negative ion unit 15 . The water tank 11 is used to accommodate washing liquid. The water tank 11 is arranged at the lower end of the air outlet duct 13 . The air outlet duct 13 is used to guide the air purified by the water tank 11 into the room. Negative ion unit 15 has high-voltage generation circuit module 151 and negative ion generator 152, and high-voltage generation circuit module 151 is used to provide high-voltage current, and negative ion generator 152 can produce corona under the effect of high-voltage current and then release a large amount of electrons at a high speed, and electrons are Oxygen molecules in the air are captured to form negative ions, and the negative ions can contact with the water in the water tank 11 to form water ions.

The water tank 11 can be in a regular shape such as a cylinder, a cuboid, etc. Of course, the water tank 11 can also be in other irregular shapes, which is not limited in this embodiment. The water tank 11 may have a bottom wall and a side wall surrounding the bottom wall, the side wall extends upwards, and the upper end of the side wall may be connected with a top cover. The bottom wall, the side wall and the top cover of the water tank 11 together form a storage space for storing washing liquid.

The water tank 11 is provided with an air inlet for fresh air to enter, and the air inlet can be arranged on the side wall of the water tank 11. Optionally, the air inlet is arranged at a relatively upper position on the side wall of the water tank 11, so as to prevent the water tank 11 from The washing liquid inside flows out. The air outlet can be arranged on the top cover 111 of the water tank. The air outlet is connected to the air inlet end 131 of the air outlet duct 13, and the air outlet duct 13 can be provided with a plurality of air outlets 132, and at least part of the air outlets 132 are arranged in different directions, so that the purified air can flow from Multiple directions are conveyed into the chamber.

A water washing unit may be arranged in the water tank 11 , and a part of the water washing unit is in contact with the washing liquid in the water tank 11 . The lower end of the water tank 11 can be provided with an air-driven motor. The air-driven motor is used to drive the water washing unit to rotate.

Optionally, the water washing unit includes a water throwing part, and the function of the water throwing part is to rotate under the drive of the air-driven motor to absorb water from the lower end of the water throwing part to the upper end, and to throw water from around the water throwing part in the form of a water curtain. The water that is finally thrown out flows into the lower end of the water tank 11 again under the action of gravity, so as to realize the recycling of water. Specifically, a gap is formed between the lower end of the water rejection part and the bottom surface of the water tank 11. The lower end of the water rejection part is provided with a water inlet, and the side wall of the water rejection part is provided with a plurality of water outlet holes. Driven to rotate to suck water into the water throwing part and make water throw out from the water outlet hole to form a water curtain.

Through the above-mentioned settings, when the air-driven motor drives the water thrower to rotate at a high speed, a negative pressure will be formed inside the water thrower so that the water in the water tank 11 will be sucked into the water thrower from the water inlet at the lower end of the water thrower; The internal water flows along the side wall of the water rejection part to the upper end of the water removal part. Since there are multiple water outlet holes on the side wall of the water removal part, when the water flow rises to the height of the water outlet hole, it will flow from the water outlet hole. Throw out at a high speed, thereby forming a circle of water curtain in the circumferential direction of the water thrower. After the water-slinging part is thrown out of the water curtain, the air entering from the air inlet of the water tank 11 will contact the water curtain, thereby completing the washing of the air.

The negative ion generator 152 can be arranged correspondingly to the water throwing member. The negative ion generator 152 may be located above the water throwing member. The spraying range of the negative ion generator 152 may correspond to the water curtain formed by the water throwing member, so that more negative ions can contact the water curtain to form more water ions.

Negative ion generator 152 has one or more probes 1521 made of metal materials or carbon elements. Probes 1521 have a release tip, which can generate a high corona under the action of DC high voltage and release a large amount of electrons. Oxygen molecules in the water are captured to form negative ions, and the negative ions can contact the water curtain in the water tank 11 to form water ions. Multiple probes 1521 can be arranged in parallel. Multiple probes 1521 may be evenly distributed. Optionally, at least some of the plurality of probes 1521 can be arranged directly above the water curtain thrown by the water-slinger, so that more negative ions can contact the water curtain to form more water ions. Generally speaking, the water throwing member is located in the middle of the water tank 11, and correspondingly, a plurality of probes 1521 may also be evenly distributed in the middle area of the top cover 111 of the water tank.

In this example, the negative ions that negative ion unit 15 produces can be contacted with the water curtain thrown off by the water-removing part in the water tank 11, and the negative ions are wrapped in the water molecules of the water curtain to form water ions, and the water ions contact the air entering the water tank 11, both It can precipitate particulate matter and soluble matter in the air to be purified, and can also extinguish active substances such as bacteria in the air to be purified, thereby effectively improving the quality of the air entering the room. In addition, water ions can also adjust the concentration of positive and negative ions in the air to be purified.

In other examples, the negative ions generated by the negative ion unit 15 may also directly contact the washing liquid contained in the water tank 11 to form water ions. At this time, the water sucked into the water-removing part can have water ions, forming a circle of water curtain containing water ions in the circumferential direction of the water-repelling part. The particles and solubles in the purified air can also extinguish the active substances such as bacteria in the air to be purified, so that the quality of the air entering the room can be effectively improved.

The air conditioner that present embodiment provides, by arranging negative ion unit 15, negative ion unit 15 has high-voltage generating circuit module 151 and negative ion generator 152, under the effect of the high-voltage current that high-voltage generating circuit module 151 provides, negative ion generator 152 can discharge how much The electrons are captured by the oxygen molecules in the air to form negative ions. The negative ions can contact the water in the water tank 11 and form water ions. The water ions can not only precipitate particulate matter and soluble matter in the air, but also make bacteria in the air The viability of other active substances is reduced or killed, which can effectively improve the quality of the air entering the room.

In one possible implementation manner, as shown in FIG. 2 and FIG. 3 , the high-voltage generating circuit module 151 and the negative ion generator 152 of the negative ion unit 15 are installed in the air outlet duct 13 . The high voltage generating circuit module 151 and the negative ion generator 152 of the negative ion unit 15 are electrically connected and installed on the pipe wall of the air outlet duct 13 . In this way, the high voltage generating circuit module 151 and the negative ion generator 152 are located away from water, which is beneficial to reduce the difficulty of insulation and sealing. Wherein, the high voltage generating circuit module 151 can be arranged separately from the negative ion generator 152, and the high voltage generating circuit module 151 and the negative ion generator 152 are electrically connected through wires. The high voltage generating circuit module 151 can also be integrated with the negative ion generator 152 .

In one possible implementation manner, the high-voltage generating circuit module 151 and the negative ion generator 152 are arranged relatively separately. The high voltage generating circuit module 151 is electrically connected with the negative ion generator 152 through wires. The high voltage generating circuit module 151 can be arranged in the air outlet duct 13 , and the high voltage generating circuit module 151 can be arranged in the air inlet end of the air outlet duct 13 or relatively in the middle of the air outlet duct 13 . The negative ion generator 152 is arranged on the top cover 111 of the water tank, so that more negative ions can contact with the water in the water tank 11 to form water ions, which is conducive to improving the utilization rate of the negative ions.

Optionally, the high-voltage generating circuit module 151 and the negative ion generator 152 can be provided with independent insulating shells respectively, so as to protect the electronic devices of the high-voltage generating circuit module 151 and the negative ion generator 152, and help improve the safety of the air conditioner .

In this example, by setting the high-voltage generating circuit module 151 and the negative ion generator 152 relatively separately, it is convenient to arrange the high-voltage generating circuit module 151 at a position away from water, which is beneficial to reduce the difficulty of insulation and sealing.

Fig. 4 is a schematic diagram of the installation of the negative ion unit in the water washing air device provided by another exemplary embodiment of the present invention. Please refer to FIG. 4 , in one possible implementation manner, the high voltage generating circuit module 151 and the negative ion generator 152 are installed on the top cover 111 of the water tank, so as to simplify the circuit. Negative ion unit 15 also comprises insulating shell 153, and high voltage generation circuit module 151 and negative ion generator 152 are installed in the shell, and insulating shell 153 is provided with the through hole that can stretch out for the probe 1521 of negative ion generator 152; The top cover 111 is attached.

The insulating shell 153 can be made of water-resistant and insulating material such as natural resin. The structure and shape of the insulating shell 153 can be set according to actual conditions. For example, the insulating housing can be roughly box-shaped, and the insulating housing can have a bottom wall and side walls surrounding the outer periphery of the bottom wall. in the enclosed space. The bottom wall and the side wall of the insulating housing isolate the high voltage generating circuit module 151 and the negative ion generator 152 from the water in the water tank 11 .

Optionally, the insulating casing 153 may have a box body 1531 for accommodating the high voltage generating circuit module 151 and the negative ion generator 152 , and the shape of the box body 1531 is adapted to the high voltage generating circuit module 151 and the negative ion generator 152 . For example, the high voltage generating circuit module 151 and the negative ion generator 152 can be integrated, and the shape of the box body 1531 can be adapted to the integrated structure. For another example, the high voltage generating circuit module 151 and the negative ion generator 152 can be arranged side by side in the insulating casing 153 along the lateral direction, and the high voltage generating circuit module 151 and the negative ion generator 152 are electrically connected.

The top cover 111 of the water tank is provided with a mounting hole, and the insulating shell 153 is inserted into the mounting hole, and the insulating shell 153 is tightly fitted with the mounting hole. The box body 1531 of the insulating shell 153 is inserted into the installation hole, and the box body 1531 can be sealed and matched with the installation hole. Exemplarily, the box body 1531 has a bottom wall and a side wall disposed on the outer periphery of the bottom wall and extending upward, and the high voltage generating circuit module 151 and the negative ion generator 152 are located in the space enclosed by the bottom wall and the side wall of the box body 1531 . The side wall of the box body 1531 can seal fit with the hole wall of the installation hole. The side wall of the box body 1531 can be glued to the hole wall of the installation hole, the box body 1531 can also be clamped in the installation hole, and the box body 1531 can also be fastened to the top cover 111 of the water tank through fasteners. In order to further ensure the sealing reliability between the insulating shell 153 and the top cover 111 of the water tank, a sealing member may be provided between the box body 1531 and the installation hole, and the sealing member may include a sealing ring or a sealing layer formed by sealant.

Optionally, in order to facilitate the installation of the negative ion unit 15, the insulating casing 153 also has a mounting plate 1532, the mounting plate 1532 is connected to the upper end of the box body 1531, the mounting plate 1532 is turned outwards relative to the box body 1531, and the mounting plate 1532 is connected to the water tank. The top cover 111 is connected.

The mounting plate 1532 may extend along the outer periphery of the box body 1531, and the mounting plate 1532 extends away from the box body 1531. The mounting plate 1532 can be connected with the top cover 111 of the water tank. The mounting plate 1532 can be welded with the top cover 111 of the water tank. Optionally, the installation hole of the top cover 111 of the water tank can match the shape and size of the installation plate 1532 of the insulating housing 153 . The mounting plate 1532 can be welded or fused or bonded with the wall of the mounting hole of the top cover 111 of the water tank, so as to ensure the sealing performance of the negative ion unit 15 installation, and to ensure waterproof performance and insulation performance. The upper surface of the mounting plate 1532 can be flush with the upper surface of the top cover 111 of the water tank, and the upper surface of the mounting plate 1532 can also be higher than the upper surface of the top cover 111 of the water tank; the lower surface of the mounting plate 1532 can be aligned with the top cover of the water tank The upper surface of 111 is even, and the lower surface of the mounting plate 1532 can also be lower than the lower surface of the top cover 111 of the water tank.

In other examples, the mounting plate 1532 can also be built on the upper surface of the top cover 111 of the water tank, and the mounting plate 1532 can be fastened to the top cover 111 of the water tank through fasteners. Correspondingly, the top cover 111 of the water tank is arranged on the same The protective column matched with the fastener is provided with a blind hole matched with the fastener. In addition, a sealing member may be provided between the installation plate 1532 and the top cover 111 of the water tank, and the sealing member may include a sealing layer formed by a sealing ring or sealant.

The insulating shell 153 is provided with extending columns 1533 extending downwards, and the number and arrangement of the extending columns 1533 are compatible with the probe 1521 . The extension column 1533 is provided with a through hole for the probe 1521 to protrude downward, and the probe 1521 protrudes downward for a certain length through the hole, so as to facilitate the generation of negative ions. The extension column 1533 is conical, and the diameter of the upper end of the extension column 1533 is larger than the diameter of the lower end. In this way, even if the washing liquid in the water tank 11 is thrown onto the extension column 1533 , it can fall back into the water tank 11 under the guidance of the conical extension column 1533 .

This embodiment also provides an air conditioner inner unit. The structure, function and implementation process of the air conditioner inner unit may be the same as those in the foregoing embodiments, and details will not be repeated here in this embodiment.

This embodiment also provides a washing air device 1 , the structure, function and implementation process of the washing air device 1 may be the same as those of the foregoing embodiments, and details will not be repeated here in this embodiment.

It should be noted that the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection unless otherwise clearly specified and limited. , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature may be "on" or "under" a second feature in that the first and second features are in direct contact, or the first and second features are indirectly contacted through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the level of the first feature is higher than that of the second feature. "Below", "below" and "under" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply mean that the first feature is less horizontally than the second feature.

In the above description, descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean specific features, structures described in connection with the embodiment or example , material or feature is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. A water washing air device is characterized in that, comprising: a water tank, an air outlet duct and an anion unit; the water tank is arranged at the lower end of the outlet air duct; the anion unit has a high-voltage generation circuit module and an anion generator, The high-voltage generating circuit module is electrically connected to the negative ion generator, and the negative ion generator is used to generate negative ions under the action of the high-voltage current provided by the high-voltage generating circuit module, and the negative ions can contact with the washing liquid in the water tank to form water ion.
2. The water washing air device according to claim 1, further comprising: a water washing unit and an air driving motor, the air driving motor is used to drive the water washing unit to rotate so as to form in the water tank the air used to enter the water tank A contacting water curtain; the anion generator is set correspondingly to the water washing unit, and the anions generated by the anion generator can contact the water curtain and form water ions.
3. The washing air device according to claim 1 or 2, characterized in that, the high-voltage generating circuit module and the negative ion generator of the negative ion unit are installed on the air outlet duct.
4. The washing air device according to claim 1 or 2, wherein the high-voltage generating circuit module is installed on the air outlet duct, and the anion generator is installed on the top cover of the water tank.
5. The washing air device according to any one of claims 1-4, wherein the negative ion unit also includes an insulating casing, the high voltage generating circuit module and the negative ion generator are installed in the casing, and the insulating casing A through hole is provided through which the probe of the negative ion generator can protrude; the insulating shell is connected with the top cover of the water tank.
6. The water-washing air device according to claim 5, wherein the top cover of the water tank is provided with a mounting hole, the insulating shell is inserted into the mounting hole, and the insulating shell is sealed with the mounting hole Cooperate.
7. According to claim 5 or 6 described washing air device, it is characterized in that, described insulating housing has box body and mounting plate, and described box body is used for accommodating described high-voltage generating circuit module and negative ion generator, and described mounting plate The installation plate is connected to the upper end of the box body and is folded outward relative to the box body, and the installation plate is connected to the top cover of the water tank.
8. The water-washing air device according to any one of claims 5-7, wherein the insulating shell is provided with an extension column extending downward, and the extension column is provided with a through hole for the probe to protrude downward ; The extension column is conical, and the diameter of the upper end of the extension column is greater than the diameter of the lower end.
9. An air conditioner internal unit, characterized in that it comprises the fresh air device and a casing according to any one of claims 1-8, and the fresh air device is installed on the casing.
10. An air conditioner, characterized in that it comprises an air conditioner external unit and an air conditioner inner unit as claimed in claim 9 .

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