CN112432294A

CN112432294A - Purification device and air purifier

Info

Publication number: CN112432294A
Application number: CN202011359874.8A
Authority: CN
Inventors: 刘书兴; 邓祥; 王运发; 刘璐
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-03-02
Anticipated expiration: 2040-11-27
Also published as: CN112432294B

Abstract

The invention relates to the technical field of air purification tools, in particular to a purification device and an air purifier, wherein the purification device comprises a shell, a liquid feeding structure and a heating structure, wherein the shell is provided with a purification cavity, an air inlet and an air outlet which are respectively communicated with the purification cavity; the liquid feeding structure is provided with a liquid feeding channel, a liquid inlet and a liquid outlet which are respectively communicated with the liquid feeding channel, and the liquid outlet is positioned on a flow path between the air inlet and the air outlet; the heating structure is at least used for heating the liquid in the liquid conveying channel. Has good air disinfection effect.

Description

Purification device and air purifier

Technical Field

The invention relates to the technical field of air purification tools, in particular to a purification device and an air purifier.

Background

At present, because of rapid industrial development, the problem of air pollution is increasingly serious, substances harmful to human bodies such as dust, droplets and aerosol exist in the air, and viruses can be transmitted in the air in the manner of droplets or aerosol and the like to cause harm to the human bodies.

In order to protect health, more and more families or enterprises are setting up air purifiers in the indoor, office, public area.

However, some existing air purifiers kill viruses by adopting a chemical method, which is harmful to human bodies, and consume consumables which result in high cost, and some existing air purifiers kill viruses by microwave radiation which have low killing efficiency and consume consumables which result in high cost. Therefore, some air purifiers currently kill viruses by heating air through a heating device, but the method for killing viruses has the problem of poor air disinfection effect due to limited contact between the air and the heating device.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of poor air disinfection effect in the prior art, and provide a purification device and an air purifier with good air disinfection effect.

The present invention provides a purification apparatus comprising:

the shell is provided with a purification cavity, and an air inlet and an air outlet which are respectively communicated with the purification cavity;

the liquid feeding structure is provided with a liquid feeding channel, a liquid inlet and a liquid outlet which are respectively communicated with the liquid feeding channel, and the liquid outlet is positioned on a circulating path between the air inlet and the air outlet;

and the heating structure is at least used for heating the liquid in the liquid conveying channel.

Optionally, the liquid purifier further comprises at least one sieve plate disposed in the purification cavity and located between the air inlet and the liquid outlet, wherein the sieve plate is adapted to form a water film when liquid discharged from the liquid outlet falls onto the sieve plate.

Optionally, the aperture D of the sieve holes on the sieve plate satisfies that D is more than or equal to 5mm and less than or equal to 12 mm.

Optionally, the number of the screen plates is at least two, and each screen plate is spaced from each other and distributed along the flow path between the air inlet and the air outlet.

Optionally, the sieve plates are connected to the wall of the purification cavity, a liquid passing port is formed between the sieve plates and the wall of the purification cavity, and the liquid passing ports corresponding to two adjacent sieve plates are staggered with each other on a flow path between the air inlet and the air outlet.

Optionally, the heating structure is disposed on the screen deck.

Optionally, the heating structure is disposed on a screen adjacent to the air inlet.

Optionally, the heating structure comprises heating coils distributed over the screen deck.

Optionally, the air outlet is disposed higher than the air inlet.

Optionally, the liquid feeding structure includes:

the pipe cavity of the liquid sending pipe is the liquid sending channel, one end of the liquid sending pipe, provided with the liquid inlet, extends to the bottom of the purification cavity, a gap is reserved between the end of the liquid sending pipe, provided with the liquid inlet, and the bottom wall of the purification cavity, and one end of the liquid sending pipe, provided with the liquid outlet, extends to the position above the sieve plate close to the gas outlet;

and the liquid sending pump is communicated with the liquid sending pipe.

Optionally, the air inlet is disposed on a side wall of the housing and is higher than a cavity bottom of the purification cavity.

Optionally, still include the moisturizing structure, the play water end of moisturizing structure is located purify the intracavity, be suitable for to purify the intracavity moisturizing.

Optionally, the water supplement structure includes:

the water outlet end is arranged on the water replenishing pipe and is positioned at the bottom of the purification cavity;

and the ball float valve is suitable for opening or closing the water replenishing pipe.

The invention also provides an air purifier which comprises the purifying device.

Optionally, the method further comprises:

the purifying device is arranged in the machine shell;

and the fan assembly is arranged in the shell, and the air outlet end of the fan assembly is communicated with the air inlet of the purifying device.

Optionally, an air outlet channel communicated with an air outlet of the air purifier is arranged on the machine shell, the air outlet channel is communicated with the air outlet, and a steam filtering structure is arranged between the air outlet and the air outlet channel.

The technical scheme of the invention has the following advantages:

1. the purification device provided by the invention comprises a heating structure, wherein heated liquid is contacted with air to kill viruses in the air; because the liquid outlet is positioned on the flow path between the air inlet and the air outlet, the liquid is inevitably contacted with the air, and the contact time can be ensured, so that the dust in the air can be washed away; but also can achieve good disinfection effect.

2. The purification device provided by the invention comprises at least one sieve plate, wherein fine sieve holes are formed in the sieve plate, the sieve plate is suitable for forming a water film when liquid discharged from the liquid outlet falls onto the sieve plate, when air passes through the sieve holes in the sieve plate, the air needs to pass through the water film, small bubbles are formed in the sieve holes in the sieve plate or on the surface of the sieve plate, and in the process of breaking the bubbles, dust in the air is cleaned, and viruses in the air are killed and cleaned at high temperature.

3. According to the purification device provided by the invention, the number of the sieve plates is at least two, air passes through the sieve plates step by step, dust and viruses in the air are washed and disinfected for multiple times, and the disinfection and purification effects are good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a purification apparatus of the present invention;

FIG. 2 is a schematic view of a purification apparatus of the present invention;

fig. 3 is a schematic view of an air purifier of the present invention.

Description of reference numerals:

1-a shell; 11-a purification chamber; 12-an air inlet; 13-air outlet; 2-liquid feeding structure; 21-liquid inlet; 22-a liquid outlet; 23-a liquid delivery pipe; 3, a sieve plate; 4-liquid through port; 5-a water replenishing structure; 6-a machine shell; 61-an air outlet channel; 62-an intake passage; 7-a fan assembly; 8-vapor filtration configuration.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the present embodiment provides a purification apparatus, which includes a housing 1, a liquid feeding structure 2 and a heating structure, wherein the housing 1 has a purification chamber 11, and an air inlet 12 and an air outlet 13 respectively communicated with the purification chamber 11; the liquid feeding structure 2 is provided with a liquid feeding channel, a liquid inlet 21 and a liquid outlet 22 which are respectively communicated with the liquid feeding channel, and the liquid outlet 22 is positioned on a flow path between the air inlet 12 and the air outlet 13; the heating structure is at least used for heating the liquid in the liquid conveying channel.

The purifying device comprises a heating structure, and heated liquid is contacted with air to kill viruses in the air; because the liquid outlet 22 is positioned on the flow path between the air inlet 12 and the air outlet 13, the liquid is contacted with the air necessarily, and the contact time can be ensured, so that the dust in the air can be washed away; but also can achieve good disinfection effect. The liquid flowing out of the liquid outlet 22 can be water, or can be a solution added with a chemical agent for killing viruses, wherein the chemical agent is a chemical agent harmless to human bodies. Preferably, the liquid flowing out of the liquid outlet 22 is purified water, so that scale generated during heating is reduced.

Specifically, send liquid passageway can set up inside purification chamber 11, heating structure also sets up in purification chamber 11, can directly heat the liquid that send in the liquid passageway, and heating structure also can set up between liquid outlet 22 and air inlet 12, heats the liquid that flows out in liquid outlet 22, and liquid after the heating can get into after contacting with the air and send the liquid passageway to realize the circulation. The liquid feeding channel can be partially arranged outside the purification cavity 11, the heating structure can also be arranged outside the purification cavity 11, liquid in the liquid feeding channel is heated, the liquid can also be arranged in the purification cavity 11, the liquid flowing out of the liquid outlet 22 is heated, and the heated liquid can enter the liquid feeding channel to realize circulation after contacting with air.

In this embodiment, the purification apparatus further includes at least one sieve plate 3 disposed in the purification chamber 11 and located between the gas inlet 12 and the liquid outlet 22, and the sieve plate 3 is adapted to form a water film when the liquid discharged from the liquid outlet 22 falls onto the sieve plate 3.

The sieve plate 3 is provided with fine sieve pores suitable for forming a water film when liquid discharged from the liquid outlet 22 falls on the sieve plate 3, when air passes through the sieve pores on the sieve plate 3, the air needs to pass through the water film, small bubbles are formed in the sieve pores of the sieve plate 3 or on the surface of the sieve plate 3, in the process of bubble breakage, dust in the air is cleaned, and viruses in the air are killed and cleaned at high temperature. The purification device in this embodiment may include one sieve plate 3, may also set up a plurality of sieve plates 3, and a plurality of sieve plates 3 may be spread on a plane, also may set up by layer.

In this embodiment, the aperture D of the sieve holes on the sieve plate 3 is satisfied, D is not less than 5mm and not more than 12mm, a water film is formed when the liquid discharged from the liquid outlet 22 falls on the sieve plate 3, and the passing rate of the water passing through the sieve holes directly is less than 5%. And the more sieve pores are arranged on the sieve plate 3, the more small bubbles are formed on the sieve pores or the sieve plate 3, and the better the disinfection effect and the dust washing effect of the air are.

In one embodiment, the diameter D of the sieve holes on the sieve plate 3 is 5mm, and the liquid discharged from the liquid outlet 22 falls on the sieve plate 3 to form a water film, and the passing rate of the water passing through the sieve holes is less than 5%. The air disinfection effect and the dust cleaning effect are good.

In another embodiment, the aperture D of the sieve holes on the sieve plate 3 is 12mm, a water film is formed when the liquid discharged from the liquid outlet 22 falls on the sieve plate 3, and the passing rate of the water passing through the sieve holes directly is less than 5%. The air disinfection effect and the dust cleaning effect are good.

In this embodiment, the number of the screen plates 3 is six, and the screen plates 3 are spaced from each other and are distributed along a flow path between the air inlet 12 and the air outlet 13. The air passes through the sieve plates 3 step by step, dust and viruses in the air are washed and disinfected for six times by six sieve plates 3, the contact time with the heated liquid is long, or the heating time is long, which can reach more than 5 seconds, and the disinfection and purification effects are good.

As an alternative embodiment, there may be provided two sieve plates 3, three sieve plates 3, four sieve plates 3, or more sieve plates 3, and the number of sieve plates 3 is set in accordance with the volume of the purification chamber 11.

In this embodiment, the sieve plates 3 are connected to the wall of the purification cavity 11, and a liquid through port 4 is formed between the sieve plates and the wall of the purification cavity 11, the liquid through ports 4 corresponding to two adjacent sieve plates 3 are staggered on the flow path between the air inlet 12 and the air outlet 13, so that liquid is ensured to flow between the sieve plates 3 through the liquid through ports 4, and no water film can be formed on the sieve plates 3 because no liquid passes through the sieve plates.

In this embodiment, purification chamber 11 is the rectangular cavity, sieve 3 is the rectangular plate, sieve 3 with a clearance has between the lateral wall in rectangular cavity, the clearance is logical liquid mouth 4. And gaps are reserved between two adjacent sieve plates 3 and two side walls which are respectively opposite.

In this embodiment, the heating structure is disposed on the sieve plate 3. The liquid and the air passing through the sieve plate 3 can be heated, and the air is contacted with the heated liquid before heat loss, so that the heating and sterilizing effects are better.

Alternatively, the heating structure may be provided at the liquid outlet 22. Or the heating structure is arranged at the liquid inlet 21.

In this embodiment, the heating structure is arranged on the screen plate 3 adjacent to the air inlet 12. The temperature of the air can be properly reduced when passing through other sieve plates 3 without heating structures, so that the temperature of the purified and disinfected air is not high when the air is discharged out of the purifying device, the indoor temperature cannot be increased, and the air cannot be used in hot summer.

Alternatively, the heating structure may be disposed on the sieve plate 3 near the liquid outlet 22, so that the air can be purified and disinfected and the temperature can be increased during winter use.

In this embodiment, the heating structure comprises heating coils distributed over the screening deck 3. The inside cavity that is equipped with of sieve 3, inlay in the heating coil pipe in the cavity, it is right heating coil pipe protects.

In this embodiment, the air outlet 13 is disposed higher than the air inlet 12. Because the liquid has gravity, the liquid downward flow is easier to realize, the air and liquid flow direction is opposite, and the purification and disinfection effects are better. The number of the sieve plates 3 is at least two, and the sieve plates are distributed along the vertical direction. The sieve plates 3 are horizontally arranged plate-shaped structures, and liquid can smoothly flow among the sieve plates 3.

As an alternative embodiment, the inlet 12 may be disposed higher than the outlet 13, and the outlet direction of the liquid feeding mechanism 2 may be set, and a higher injection pressure may be required, and the liquid may be prevented from flowing out from the outlet 13.

In this embodiment, the liquid sending structure 2 includes a liquid sending pipe 23 and a liquid sending pump, a pipe cavity of the liquid sending pipe 23 is the liquid sending channel, one end of the liquid sending pipe 23, which is provided with the liquid inlet 21, extends to the bottom of the purification cavity 11, and has a gap with the bottom wall of the purification cavity 11, and one end of the liquid sending pipe 23, which is provided with the liquid outlet 22, extends to the upper part of the sieve plate 3 close to the gas outlet 13; the liquid sending pump communicates with the liquid sending pipe 23. The liquid circulation in the purification cavity 11 is realized through the liquid feeding structure 2. The liquid feeding pump is a circulating pump.

In this embodiment, the air inlet 12 is disposed on a side wall of the housing 1 and is higher than a bottom of the purifying chamber 11. Preventing liquid from escaping from the air inlet 12. The liquid level in the decontamination chamber 11 is below the inlet port 12 to prevent liquid from escaping through the inlet port 12.

In this embodiment, the purification device further includes a water replenishing structure 5, and a water outlet end of the water replenishing structure 5 is arranged in the purification cavity 11 and is suitable for replenishing water into the purification cavity 11. Because a small amount of water is taken away with the air when the purifying device operates, the water supplementing structure 5 is needed for supplementing water.

As an alternative embodiment, water may be added directly through the air outlet 13.

In this embodiment, the water replenishing structure 5 includes a water replenishing pipe and a ball float valve, and the water outlet end is disposed on the water replenishing pipe and located at the bottom of the purification cavity 11; the ball float valve is suitable for opening or closing the water replenishing pipe. The floating ball of the floating ball valve is arranged on the liquid in the purification cavity 11, and the water replenishing pipe is opened or closed according to the liquid level of the liquid in the purification cavity 11. Preventing the liquid level from overflowing from the air inlet 12 too high or from being too low to achieve liquid circulation in the purification chamber 11.

The embodiment also discloses an air purifier, which comprises the purifying device.

The air purifier also comprises a casing 6 and a fan assembly 7, and the purifying device is arranged in the casing 6; the fan component 7 is arranged in the casing 6, and the air outlet end of the fan component 7 is communicated with the air inlet 12 of the purifying device. The casing 6 is provided with an air inlet channel 62 communicated with an air inlet of the air purifier, and the air inlet end of the fan component 7 is communicated with the air inlet channel 62.

As an alternative embodiment, the air inlet end of the fan assembly 7 may be communicated with the air outlet 13 of the purification device, and the steam filtering structure 8 may be disposed between the air inlet end of the fan assembly 7 and the air outlet 13.

In this embodiment, be equipped with on the casing 6 with air outlet channel 61 of air purifier's air outlet intercommunication, air outlet channel 61 with gas outlet 13 intercommunication, gas outlet 13 with be equipped with steam filtering structure 8 between air outlet channel 61. The steam filtering structure 8 is adapted to condense steam in the air and to allow filtered air to pass through, preventing the steam from being discharged to the room following the purified and sterilized air. The steam filtering structure 8 may be a metal screen.

The air outlet channel 61 is arranged at the top end of the casing 6 and is in an inverted frustum shape, the diameter of one end close to the air outlet 13 is smaller than that of the end far away from the air outlet 13, and the air outlet range is enlarged. Steam filtration 8 detachable sets up the gas outlet 13 with between the air outlet channel 61, when being suitable for dry environment to use air purifier, when purifying and disinfecting to the air, steam realizes the humidification effect along with the air escape realizes in the dry environment.

In this embodiment, after the air purifier is used for a long time, the virus corpses and dust in the air are deposited in the purifying cavity 11, so that the purified water or the sterilizing liquid in the purifying cavity 11 needs to be replaced periodically. When the air purifier is not used for a long time, the residual liquid in the purifying chamber 11 should be discharged.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A purification apparatus, comprising:

the device comprises a shell (1) and a gas-liquid separator, wherein the shell is provided with a purification cavity (11), and a gas inlet (12) and a gas outlet (13) which are respectively communicated with the purification cavity (11);

the liquid feeding structure (2) is provided with a liquid feeding channel, a liquid inlet (21) and a liquid outlet (22) which are respectively communicated with the liquid feeding channel, and the liquid outlet (22) is positioned on a circulating path between the air inlet (12) and the air outlet (13);

2. Purification device according to claim 1, further comprising at least one sieve plate (3) arranged within the purification chamber (11) between the gas inlet (12) and the liquid outlet (22), the sieve plate (3) being adapted to form a water film when liquid exiting the liquid outlet (22) falls onto the sieve plate (3).

3. The purification device according to claim 2, wherein the aperture D of the sieve holes on the sieve plate (3) is satisfied, and D is more than or equal to 5mm and less than or equal to 12 mm.

4. A purification apparatus according to claim 2, wherein there are at least two screening decks (3), each screening deck (3) being spaced apart from each other and distributed along the flow path between the air inlet (12) and the air outlet (13).

5. A purification apparatus according to claim 4, wherein the sieve plates (3) are connected to the wall of the purification chamber (11) and form liquid through openings (4) with the wall of the purification chamber (11), and the liquid through openings (4) corresponding to two adjacent sieve plates (3) are mutually staggered on the flow path between the air inlet (12) and the air outlet (13).

6. Purification device according to any one of claims 2-5, wherein the heating structure is arranged on the sieve plate (3).

7. Purification device according to claim 6, wherein the heating structure is arranged on the screen plate (3) adjacent to the air inlet (12).

8. Purification device according to claim 6, wherein the heating structure comprises heating coils distributed over the sieve plate (3).

9. Purification apparatus according to any one of claims 2-5, wherein the air outlet (13) is arranged higher than the air inlet (12).

10. Purification device according to claim 9, wherein the liquid delivery structure (2) comprises:

the tube cavity of the liquid sending tube (23) is the liquid sending channel, one end of the liquid sending tube (23) provided with the liquid inlet (21) extends to the bottom of the purification cavity (11), a gap is reserved between the end of the liquid sending tube (23) provided with the liquid inlet (21) and the bottom wall of the purification cavity (11), and one end of the liquid sending tube (23) provided with the liquid outlet (22) extends to the position above the sieve plate (3) close to the gas outlet (13);

and a liquid feeding pump which is communicated with the liquid feeding pipe (23).

11. Purification device according to claim 9, wherein the air inlet (12) is provided on a side wall of the housing (1) and above a bottom of the purification chamber (11).

12. The purification device according to any one of claims 2 to 5, further comprising a water replenishing structure (5), wherein a water outlet end of the water replenishing structure (5) is arranged in the purification cavity (11) and is suitable for replenishing water into the purification cavity (11).

13. The purification apparatus according to claim 12, wherein the water replenishing structure (5) comprises:

the water outlet end is arranged on the water replenishing pipe and is positioned at the bottom of the purification cavity (11);

14. An air cleaner comprising a cleaning device as claimed in any one of claims 1 to 13.

15. The air purifier of claim 14, further comprising:

the purifying device is arranged in the shell (6);

and the fan assembly (7) is arranged in the shell (6), and the air outlet end of the fan assembly (7) is communicated with the air inlet (12) of the purifying device.

16. The air purifier according to claim 15, wherein the housing (6) is provided with an air outlet channel (61) communicated with an air outlet of the air purifier, the air outlet channel (61) is communicated with an air outlet (13) of the purifying device, and a steam filtering structure (8) is arranged between the air outlet (13) and the air outlet channel (61).