CN113685902A

CN113685902A - Air purification system and method and air conditioner

Info

Publication number: CN113685902A
Application number: CN202010427879.3A
Authority: CN
Inventors: 郑娟; 穆亚林; 李松
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-11-23
Anticipated expiration: 2040-05-19
Also published as: CN113685902B

Abstract

The present invention provides an air purification system, method and air conditioner. The system includes: a primary filter module for filtering particulate impurities of a first preset size in the gas sucked by the negative pressure of the fan; a secondary filter module for filtering the gas passing through the primary filter module through centrifugal action. Separation of impurities; a tertiary filter module for filtering particles of impurities of a second preset size in the gas passing through the secondary filter module; the second preset size is smaller than the first preset size, and passes through the tertiary filter module. The gas of the filter module is sent indoors or outdoors through the fan; the reversing module is used to change the gas inlet channel entering the primary filter module, the gas inlet channel includes the outdoor fresh air inlet channel, and the device with the air purification system contains dust inside Gas enters the channel. It can realize not only the fresh air introduced from the outside, but also the device with the air purification system.

Description

Air purification system and method and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air purification system and method and an air conditioner.

Background

At present, when the air conditioner lets in the new trend indoor, generally adopt (High efficiency particulate air Filter, HEPA) High-efficient airstrainer to lead to the indoor behind outdoor new trend purification rethread, HEPA net life about 1080 hours, the easy jam condition that takes place influences purifying effect, needs often to change. After the air conditioner used a period, the dust accumulation in filter screen and the wind channel was easily multiplied the bacterium on the one hand, produced the peculiar smell, can bring the dust to the air during the air inlet in, and influence user healthy, on the other hand long-time dust accumulation need the clearance of tearing open the machine, and the process procedure of tearing open the machine is troublesome complicated.

Disclosure of Invention

The present invention is directed to an air purification system, method and air conditioner, which at least partially solve the above technical problems.

To solve the above problems, an aspect of the present invention provides an air purification system, including: the primary filtering module is used for filtering particle impurities with a first preset size in the air sucked by the negative pressure of the fan; the secondary filtering module is used for separating impurities from the gas passing through the primary filtering module through a centrifugal effect; the third-stage filtering module is used for filtering the particle impurities with the second preset size in the gas passing through the second-stage filtering module; the second preset size is smaller than the first preset size, and the gas passing through the three-stage filtering module is sent indoors or outdoors through a fan; and the reversing module is used for changing a gas inlet channel entering the primary filtering module, and the gas inlet channel comprises an outdoor fresh air inlet channel and a dust-containing gas inlet channel inside the device with the air purification system.

Therefore, the air purification system provided by the invention can purify fresh air introduced from the outdoor, improve the quality of the fresh air, clean dust accumulated in the device with the air purification system, such as an air duct, a filter screen and the like, realize dust-air separation, discharge the cleaned air into the indoor and prevent the dust-air from polluting the indoor air. The problems of bacteria, peculiar smell and the like caused by the accumulation of dust of a filter screen, an air duct and the like can be avoided, and further, the harm to the human body is avoided.

Optionally, the secondary filtering module includes at least one conical cyclone separator, an airflow guide opening is arranged along a tangential direction of the conical cyclone separator, the gas passing through the primary filtering module enters the conical cyclone separator through the airflow guide opening, the separated impurities are settled from the bottom of the conical cyclone separator, and the filtered gas flows out from the top of the conical cyclone separator.

Therefore, the gas intercepted by large particles through primary filtration settles to the bottom under the action of centrifugal force and gravity, and further cleaning of the air is realized.

Optionally, the secondary filtration module comprises a plurality of conical cyclones arranged in close proximity to one another and arranged in a circle. And the impurity separation effect is improved.

Optionally, the primary filtering module includes a sealing housing sleeved on the outer wall of the conical cyclone separator, a sealing cavity formed between the sealing housing and the conical cyclone separator, and a filtering mesh enclosure arranged in the sealing cavity and sleeved on the outer wall of the conical cyclone separator, the filtering mesh enclosure has filtering holes of a first preset size, and an airflow inlet is arranged on the sealing housing.

From this, treat that the gas that purifies can carry out first filtration through the filter screen panel that has the filtration hole of first default size earlier, then get into circular cone cyclone and carry out the secondary purification, filter the screen panel cover and establish on circular cone cyclone outer wall, compact structure, easily realization.

Optionally, the top of the conical cyclone separator is connected with a third-stage filtering module, and the third-stage filtering module is arranged in the fresh air cavity. Filtered gas directly enters the fresh air cavity after flowing out of the top of the conical cyclone separator, and is filtered for the third time in the fresh air cavity, so that the system is compact in structure and does not occupy redundant space.

Optionally, the commutation module includes a motor, a cavity, and a slider disposed inside the cavity and connected to the motor; the cavity is communicated with the first filtering module, and the motor drives the sliding block to move, so that the cavity is communicated with an outdoor fresh air inlet channel or an air inlet channel containing dust inside the device with an air purifying system.

From this, the removal that drives the slider through the motor can easily change and treat the air-purifying passageway, realizes purifying the new trend of following outdoor introduction, can clean again take the inside gaseous multiple efficiency of device of air purification system.

Optionally, the third-stage filtering module is a detachable HEPA filtering screen.

Optionally, a detachable dust collecting box is arranged at the bottom of the conical cyclone separator for collecting impurities settled from the bottom of the conical cyclone separator. The filtered impurities and particles can be conveniently treated.

In another aspect, the present invention provides an air purification method, including: when fresh air is introduced into the room, the reversing module enables the outdoor fresh air inlet channel to be communicated with the primary filtering module, and particle impurities with a first preset size in the air sucked by the negative pressure of the fan are filtered; then introducing the gas passing through the primary filtering module into a secondary filtering module for impurity separation through centrifugal action, finally filtering the particle impurities with a second preset size in the gas passing through the secondary filtering module by using a tertiary filtering module, and sending the gas passing through the tertiary filtering module into a room through a fan; when the interior of the device with the air purification system is cleaned, the reversing module changes a gas inlet channel entering the primary filtering module, so that the dust-containing gas inlet channel inside the device with the air purification system is communicated with the primary filtering module, and the dust-containing gas is purified by the primary filtering module, the secondary filtering module and the tertiary filtering module and then is sent to the indoor or outdoor space through the fan.

The air purification method has the same advantages as the air purification system, and the description is omitted.

In another aspect, the present invention provides an air conditioner including the air purification system.

The air conditioner has the same advantages as the air purification system, and the description is omitted.

Drawings

Fig. 1 is a schematic front view of an air purification system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a side view of an air purification system according to an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a structure of a fresh air chamber in an air purification system according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating a structure of a reversing module in an air purification system according to an embodiment of the present invention;

fig. 5 schematically shows a structural diagram of a primary filtering module and a secondary filtering module in an air purification system according to an embodiment of the present invention.

Description of the drawings:

1-first-stage filtering module, 11-sealing shell, 11 a-airflow inlet, 12-sealing cavity, 13-filtering screen cover, 2-second-stage filtering module, 21-conical cyclone separator, 21 a-airflow guide port, 21 b-conical cyclone separator bottom, 21 c-conical cyclone separator top, 3-third-stage filtering module, 4-reversing module, 41-motor, 42-cavity, 43-slide block, 44-cavity and first-stage filtering module communication port, 5-outdoor fresh air inlet channel, 6-device internal dust-containing gas inlet channel with air purifying system, 7-fresh air cavity, 8-detachable dust collecting box, 9-fan and 10-filtering screen support.

Detailed Description

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. 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.

Example one

The embodiment of the invention provides an air purification system. The present embodiment will be described in detail with reference to fig. 1 to 5.

The system comprises: the primary filtering module 1 is used for filtering particle impurities with a first preset size in the air sucked by the negative pressure of the fan 9; the secondary filtering module 2 is used for separating impurities from the gas passing through the primary filtering module 1 through a centrifugal effect; the third-stage filtering module 3 is used for filtering the particle impurities with the second preset size in the gas passing through the second-stage filtering module 2; the second preset size is smaller than the first preset size, and the gas passing through the third-stage filtering module 3 is sent indoors or outdoors through a fan 9; and the reversing module 4 is used for changing a gas inlet channel entering the primary filtering module 1, and the gas inlet channel comprises an outdoor fresh air inlet channel 5 and a dust-containing gas inlet channel 6 inside the device with the air purification system.

In a feasible manner of this embodiment, the secondary filtering module 2 includes at least one conical cyclone separator 21, an airflow guiding opening 21a is arranged along a tangential direction of the conical cyclone separator 21, the gas passing through the primary filtering module enters the conical cyclone separator through the airflow guiding opening, small particle impurities in the conical cyclone separator settle to the bottom under the action of centrifugal force and gravity, so that the separated impurities settle from the bottom 21b of the conical cyclone separator, and the filtered gas flows out from the top 21c of the conical cyclone separator. The airflow guide opening 21a is disposed near the top of the conical cyclone 21, so that the air entering the conical cyclone 21 can be separated from impurities more effectively. And, a detachable dust box 8 for collecting impurities settled from the bottom of the conical cyclone 21 is provided at the bottom of the conical cyclone 21.

In this embodiment, the number of the conical cyclone separators 21 in the secondary filtering module 2 is not particularly limited, and for example, the number of the conical cyclone separators 21 may be 1, or may be several. When the secondary filtering module 2 consists of a plurality of conical cyclone separators 21, the plurality of conical cyclone separators 21 are mutually abutted and arranged in a circular shape in a surrounding manner, so that the impurity separation effect is improved.

In a feasible manner of this embodiment, the primary filter module 1 includes a seal housing 11 sleeved on the outer wall of the conical cyclone separator 21, a seal cavity 12 formed between the seal housing 11 and the conical cyclone separator 21, and a filter screen 13 disposed in the seal cavity 12 and sleeved on the outer wall of the conical cyclone separator 21, the filter screen 13 has a filter hole 13a with a first predetermined size, and the seal housing 11 is provided with an airflow inlet 11 a. The height of the filter screen 13 is the same as the height of the seal cavity 12, the seal housing 11 makes the air entering the seal cavity 12 from the air inlet 12a must pass through the filter screen 13 for the first coarse filtration, and the air filtered by the filter screen 13 passes through the air flow guide opening 21a of the conical cyclone separator 21 and enters the conical cyclone separator 21 for the second filtration.

In addition, the top part 21c of the conical cyclone separator is connected with a third-stage filtering module 3, and the third-stage filtering module 3 is arranged in the fresh air cavity 7. Tertiary filter module 3 is for dismantling the HEPA filter screen, installs through the filter screen support 10 that sets up in new trend chamber 7. Filtered gas directly enters the fresh air cavity 7 after flowing out of the top of the conical cyclone separator, and is filtered for the third time in the fresh air cavity, so that the system is compact in structure and does not occupy redundant space.

In a possible manner of this embodiment, the reversing module 4 includes: the motor 41, the cavity 42, the slide block 43 which is arranged in the cavity 42 and connected with the motor 41; the cavity 42 is communicated with the first filtering module 1 through a cavity and primary filtering module communicating port 44, and the motor 41 drives the sliding block 43 to move, so that the cavity 42 is communicated with the outdoor fresh air inlet channel 5 or communicated with the dust-containing air inlet channel 6 in the device with the air purifying system.

The working principle of the embodiment of the invention is as follows: when fresh air needs to be introduced into the room, the motor 41 in the reversing module 4 drives the sliding block 43 to move, and the sliding block 43 moves to block the dust-containing air inlet channel 6 in the device with the air purification system, so that the first filtering module 1 and the outdoor fresh air inlet channel 5 are communicated through the cavity 42. Under the action of the negative pressure suction of the fan 9, outdoor fresh air enters the sealed cavity 12 through the air flow inlet 12a on the sealed shell 11 and is filtered by the first stage of the filter screen 13. Then the airflow enters the conical cyclone separator from the airflow guide opening 21a of the conical cyclone separator 21, small particle impurities in the conical cyclone separator settle to the bottom under the action of centrifugal force and gravity, so that the separated impurities settle from the bottom 21b of the conical cyclone separator, and the filtered gas flows out from the top 21c of the conical cyclone separator. And realizing the second-stage filtration. The settled impurities fall into the detachable dust collecting box 8 and can be detached and removed after a certain time. The gas that flows out from circular cone cyclone top 21c gets into new trend chamber 7, through setting up the HEPA filter screen that can dismantle in new trend chamber 7 and filter, accomplishes the tertiary filtration, then will accomplish tertiary filterable new trend through fan 9 and send into indoor.

When the interior of the device with the air purification system needs to be cleaned, the motor 41 in the reversing module 4 drives the sliding block 43 to move, and the sliding block 43 moves to block the outdoor fresh air inlet channel 5, so that the first filter module 1 is communicated with the dust-containing air inlet channel 6 in the device with the air purification system through the cavity 42. The device with the air purification system can be an air conditioner, and dust is deposited in the air duct, the filter screen and the like in the air conditioner because the air conditioner is used for a long time. Under the action of the negative pressure suction of the fan 9, dust deposited in an air duct and the like in the air conditioner can enter the first filter module 1 along with the air flow and then sequentially pass through the second filter module 2 and the third filter module 3. The three-stage filtration is the same as the filtration principle of the fresh air, and is not repeated herein. The dust-containing gas after the three-stage filtration can be sent into the room or enter other pipelines to be led out of the room.

Example two

The embodiment of the invention provides an air purification method, which comprises the following steps: when fresh air is introduced into the room, the reversing module 4 enables the outdoor fresh air inlet channel 5 to be communicated with the primary filtering module 1, and particle impurities with a first preset size in the air sucked by the negative pressure of the fan 9 are filtered; then, introducing the gas passing through the primary filtering module 1 into a secondary filtering module 2 for impurity separation through centrifugal action, finally, filtering the particle impurities with a second preset size in the gas passing through the secondary filtering module 2 by using a tertiary filtering module 3, and sending the gas passing through the tertiary filtering module 3 into a room through a fan 9; when the interior of the device with the air purification system is cleaned, the reversing module 4 changes a gas inlet channel entering the primary filtering module 1, so that the dust-containing gas inlet channel 6 inside the device with the air purification system is communicated with the primary filtering module 1, and the dust-containing gas is purified by the primary filtering module 1, the secondary filtering module 2 and the tertiary filtering module 3 and then is sent to the indoor or outdoor space through the fan 9.

EXAMPLE III

The embodiment provides an air conditioner, which comprises the air purification system in the first embodiment.

The air conditioner has the same technical characteristics as the air purification system in the above embodiment, and has the same advantages as the air purification system in the above embodiment, and the details are not repeated here.

In summary, the air purification system, the method and the air conditioner provided by the invention can purify the fresh air introduced from the outdoor, improve the quality of the fresh air, clean the dust accumulated in the device with the air purification system, such as an air duct, a filter screen and the like, realize the separation of dust and air, discharge the cleaned air into the room, and prevent the indoor air from being polluted by the dust-carrying gas. The problems of bacteria, peculiar smell and the like caused by the accumulation of dust of a filter screen, an air duct and the like can be avoided, and further, the harm to the human body is avoided.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. an air purification system, is characterized in that, described system comprises:

A primary filter module (1), used for filtering the particulate impurities of the first preset size in the gas sucked by the negative pressure of the fan (9);

a secondary filtration module (2) for separating impurities from the gas passing through the primary filtration module (1) by centrifugal action;

The tertiary filter module (3) is used to filter the particulate impurities of the second preset size in the gas passing through the secondary filter module (2); the second preset size is smaller than the first preset size, and the second preset size is The gas of the tertiary filter module (3) is sent indoors or outdoors through the fan (9);

The reversing module (4) is used to change the gas inlet channel entering the primary filter module (1), the gas inlet channel includes the outdoor fresh air inlet channel (5), and the dust-laden gas inlet channel inside the device with the air purification system (6).

2. The system according to claim 1, wherein the secondary filter module (2) comprises at least one conical cyclone separator (21), and an airflow guide port (21) is provided along the tangential direction of the conical cyclone separator (21). 21a), the gas passing through the primary filter module enters the conical cyclone separator through the air flow guide port, the separated impurities settle from the bottom of the conical cyclone separator (21b), and the filtered gas flows from the top of the conical cyclone separator (21c) outflow.

3. The system according to claim 2, wherein the secondary filter module comprises a plurality of conical cyclones (21), the plurality of conical cyclones (21) abutting against each other and enclosing a circle shape settings.

4. The system according to claim 2 or 3, wherein the primary filter module (1) comprises a sealed casing (11) sleeved on the outer wall of the conical cyclone separator (21), forming a A sealed cavity (12) between the sealed casing (11) and the cone cyclone separator (21), and a filter set in the sealed cavity (12) and sleeved on the outer wall of the cone cyclone separator (21) A mesh cover (13), the filter mesh cover (13) has filter holes (13a) of a first preset size, and an air flow inlet (11a) is arranged on the sealed casing (11).

5. The system according to claim 2 or 3, wherein the top of the conical cyclone separator (21c) is connected with a tertiary filter module (3), and the tertiary filter module (3) is arranged in the fresh air cavity (7).

6. The system according to claim 1, characterized in that, the commutation module (4) comprises: a motor (41), a cavity (42), a motor (42) disposed inside the cavity (42) and connected to the motor (42). 41) A slider (43) connected; the cavity (42) communicates with the first filter module (1), and the motor (41) drives the slider (43) to move, so that the cavity (42) is connected to the first filter module (1). The outdoor fresh air inlet passage (5) is communicated, or communicated with the dust-laden air inlet passage (6) inside the device with an air purification system.

7. The system according to claim 1, wherein the tertiary filter module (3) is a detachable HEPA filter.

8. The system according to claim 2, characterized in that a removable dust box (8) is provided at the bottom of the conical cyclone separator (21) for collecting sedimentation from the bottom of the conical cyclone separator (21) of impurities.

9. An air purification method, characterized in that the method comprises:

When the fresh air is introduced into the room, the reversing module (4) makes the outdoor fresh air inlet channel (5) communicate with the primary filter module (1), and the negative pressure of the fan (9) sucks the air of the first preset size of particulate impurities. filter; then pass the gas passing through the primary filtration module (1) into the secondary filtration module (2) to separate impurities by centrifugation, and finally use the tertiary filtration module (3) to pass the gas passing through the secondary filtration module (2) The particulate impurities of the second preset size in the middle are filtered, and the gas passing through the tertiary filter module (3) is sent into the room through the fan (9);

When cleaning the inside of the device with the air purification system, the reversing module (4) changes the gas inlet channel that enters the primary filter module (1), so that the dust-laden gas inside the device with the air purification system enters the channel (6) and a The primary filter module (1) is connected, so that the dust-laden gas is sent into the room or through the fan (9) after being purified by the primary filter module (1), the secondary filter module (2), and the tertiary filter module (3). outdoor.

10. An air conditioner, characterized in that the air conditioner comprises the air purification system according to any one of claims 1-8.