CN212132667U - Air purification system and air conditioner - Google Patents

Abstract

The utility model provides an air purification system and air conditioner. The system comprises: 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. The device can purify the fresh air introduced from the outdoor and can clean the air purification system.

Description

Air purification system and air conditioner

technical field

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

Background technique

At present, when air conditioners pass fresh air into the room, they usually use High efficiency particulate air Filter (HEPA) to purify the outdoor fresh air before passing it into the room. The service life of the HEPA net is about 1080 hours, which is prone to blockage and affects purification effect, need to be replaced frequently. After the air conditioner is used for a period of time, the dust in the filter screen and the air duct will accumulate. On the one hand, it is easy to breed bacteria and produce peculiar smell. When the air enters, the dust will be brought into the air, which will affect the health of users. On the other hand, the dust accumulation for a long time needs to be disassembled and cleaned , the disassembly process is troublesome and complicated.

Utility model content

The main purpose of the present invention is to provide an air purification system and an air conditioner for at least partially solving the above-mentioned technical problems.

In order to solve the above problems, one aspect of the present utility model provides an air purification system, the system includes: a primary filter module for filtering the particulate impurities of the first preset size in the gas sucked by the negative pressure of the fan; The filter module is used to separate impurities in the gas passing through the primary filter module by centrifugal action; the third-stage filter module is used to filter the particulate impurities of the second preset size in the gas passing through the secondary filter module; the second filter module The preset size is smaller than the first preset size, and the gas passing through the tertiary filter module is sent indoors or outdoors through a fan; the reversing module is used to change the entry channel of the gas entering the primary filter module, and the gas enters the The channel includes the outdoor fresh air inlet channel and the dust-laden gas inlet channel inside the device with the air purification system.

Therefore, the air purification system provided by the utility model can not only purify the fresh air introduced from the outside, improve the quality of the fresh air, but also clean the accumulated dust inside the device with the air purification system, such as the air duct, the filter screen, etc., to realize the separation of dust and gas, The cleaned air is discharged into the room to prevent dust-laden gas from polluting the indoor air. It can prevent bacteria, odor and other problems caused by dust accumulation in filters and air ducts, thereby avoiding harm to the human body.

Optionally, the secondary filter module includes at least one conical cyclone separator, and an airflow guide port is provided along the tangential direction of the conical cyclone separator, and the gas passing through the primary filter module enters the conical cyclone separator through the airflow guide port, and is separated. The out impurities settle from the bottom of the cone cyclone separator, and the filtered gas flows out from the top of the cone cyclone separator.

In this way, under the action of centrifugal force and gravity, the gas with the large particles intercepted by the first-stage filtration settles to the bottom of the conical cyclone separator to achieve further cleaning of the air.

Optionally, the secondary filter module includes several conical cyclone separators, the several conical cyclone separators are close to each other and are arranged in a circle. Improve the separation effect of impurities.

Optionally, the first-stage filter module includes a sealed casing sleeved on the outer wall of the conical cyclone separator, a sealed cavity formed between the sealed casing and the conical cyclone separator, and a sealed cavity provided in the sealed cavity The filter screen cover is sleeved on the outer wall of the conical cyclone separator, the filter screen cover has filter holes of a first preset size, and an air flow inlet is arranged on the sealing shell.

In this way, the gas to be purified can be filtered for the first time through the filter screen cover with the filter holes of the first preset size, and then enter the conical cyclone separator for secondary purification, and the filter screen cover is sleeved on the conical cyclone separator. On the outer wall, the structure is compact and easy to implement.

Optionally, the top of the conical cyclone is connected to a tertiary filter module, and the tertiary filter module is arranged in the fresh air cavity. The filtered gas flows out from the top of the conical cyclone and directly enters the fresh air chamber, where it is filtered for the third time, which makes the system compact and does not occupy extra space.

Optionally, the reversing 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 filter module, and the motor drives the slider to move, so that the The cavity is communicated with the outdoor fresh air inlet channel, or is communicated with the dust-laden air inlet channel inside the device with the air purification system.

In this way, the movement of the slider driven by the motor can easily change the air passage to be purified, and realize multiple functions of not only purifying the fresh air introduced from the outside, but also cleaning the gas inside the device with the air purification system.

Optionally, the tertiary filter module is a detachable HEPA filter.

Optionally, a detachable dust collecting box is provided at the bottom of the conical cyclone separator for collecting impurities settled from the bottom of the conical cyclone separator. It is convenient to deal with the impurities and particles after filtering.

Another aspect of the present invention provides an air purification method, the method includes: when fresh air is introduced into the room, the reversing module makes the outdoor fresh air inlet channel communicate with the primary filter module, and the air sucked by the negative pressure of the fan is the first in the air. The particle impurities of the preset size are filtered; then the gas passing through the primary filtration module is passed into the secondary filtration module to separate impurities by centrifugation, and finally the tertiary filtration module is used to remove the second preset size in the gas passing through the secondary filtration module. The particulate impurities are filtered, and the gas passing through the tertiary filtration module is sent into the room through the fan; when cleaning the inside of the device with the air purification system, the reversing module changes the gas entering the primary filtration module into the channel, so that the air The dust-laden gas inlet channel inside the device of the purification system is communicated with the primary filter module, so that the dust-laden gas is sent indoors or outdoors through the fan after being purified by the primary filter module, the secondary filter module, and the third-stage filter module.

The air purification method has the same advantages as the above air purification system, which will not be repeated here.

In another aspect of the present invention, an air conditioner is provided, and the air conditioner includes the air purification system described above.

The air conditioner has the same advantages as the above air purification system, which will not be repeated here.

Description of drawings

FIG. 1 schematically shows a front view structure diagram of an air purification system provided by an embodiment of the present invention;

FIG. 2 schematically shows a side view structure diagram of an air purification system provided by an embodiment of the present invention;

3 schematically shows a schematic structural diagram of a fresh air cavity in an air purification system provided by an embodiment of the present invention;

4 schematically shows a schematic structural diagram of a reversing module in an air purification system provided by an embodiment of the present invention;

FIG. 5 schematically shows a schematic structural diagram of a primary filter module and a secondary filter module in an air purification system provided by an embodiment of the present invention.

Description of drawings:

1- Primary filter module, 11- Sealed shell, 11a- Air inlet, 12- Seal cavity, 13- Filter screen cover, 2- Secondary filter module, 21- Cone cyclone separator, 21a- Air flow guide port, 21b - bottom of cone cyclone separator, 21c- top of cone cyclone separator, 3- tertiary filter module, 4- reversing module, 41- motor, 42- chamber, 43- slide block, 44- chamber and primary filter Module communication port, 5-outdoor fresh air inlet channel, 6-intake channel for dust-laden gas inside the device with air purification system, 7-fresh air chamber, 8-removable dust box, 9-fan, 10-filter screen bracket.

Detailed ways

In order to make the application purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, , the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

Example 1

The embodiments of the present invention provide an air purification system. Referring to FIG. 1 to FIG. 5 below, this embodiment will be described in detail.

The system includes: 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; The tertiary filtration module 3 is used to filter the particulate impurities of the second preset size in the gas passing through the secondary filtration module 2; the second preset size is smaller than the first preset size, The gas passing through 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, and the gas inlet channel includes the outdoor fresh air inlet channel 5, And the dust-laden gas inside the device with the air purification system enters the channel 6.

In a feasible way of this embodiment, the secondary filter module 2 includes at least one conical cyclone separator 21, and an airflow guide port 21a is provided along the tangential direction of the conical cyclone separator 21, and the gas passing through the primary filter module passes through the The air flow guide port enters the conical cyclone separator, and the small particles of 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 from the bottom 21b of the conical cyclone separator. The cone cyclone top 21c flows out. Wherein, the airflow guide port 21a should be arranged at a position close to the top of the conical cyclone separator 21, so that the air entering the conical cyclone separator 21 can be more effectively separated from impurities. In addition, a removable dust collecting box 8 is provided at the bottom of the conical cyclone separator 21 for collecting the impurities settled from the bottom of the conical cyclone separator 21 .

This embodiment does not specifically limit the number of the conical cyclone separators 21 in the secondary filter module 2 , for example, it may be one or several conical cyclone separators 21 . When the secondary filter module 2 is composed of several conical cyclones 21, the several conical cyclones 21 are close to each other and are arranged in a circle to improve the separation effect of impurities.

In a feasible way of this embodiment, the first-stage filter module 1 includes a sealed casing 11 sleeved on the outer wall of the conical cyclone separator 21 , and formed on the sealed casing 11 and the conical cyclone separator 21 The sealing cavity 12 between the sealing cavity 12 and the filter screen cover 13 arranged in the sealing cavity 12 and sleeved on the outer wall of the conical cyclone separator 21, the filter screen cover 13 has a filter hole 13a of a first preset size, An air inlet 11a is provided on the sealed casing 11 . The height of the filter cover 13 is the same as the height of the sealing cavity 12 . The sealing shell 11 makes the gas entering the sealing cavity 12 from the airflow inlet 12 a must pass through the filter cover 13 for the first rough filtration, and then filter through the filter cover 13 The gas enters the conical cyclone separator 21 through the air flow guide port 21a of the conical cyclone separator 21 for the second filtration.

In addition, the top 21c of the conical cyclone separator is connected to the tertiary filter module 3 , and the tertiary filter module 3 is arranged in the fresh air cavity 7 . The tertiary filter module 3 is a detachable HEPA filter screen, which is installed through a filter screen bracket 10 arranged in the fresh air cavity 7 . The filtered gas flows out from the top of the conical cyclone separator and directly enters the fresh air chamber 7, where it is filtered for the third time, so that the system has a compact structure and does not occupy extra space.

In a feasible way of this embodiment, the commutation module 4 includes: a motor 41, a cavity 42, a slider 43 disposed inside the cavity 42 and connected to the motor 41; the cavity 42 passes through the The cavity 44 communicates with the first filter module 1, and the motor 41 drives the slider 43 to move, so that the cavity 42 communicates with the outdoor fresh air inlet channel 5, or with a device with an air purification system The internal dust-laden air enters the channel 6 for communication.

The working principle of the embodiment of the present 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 enter the dust-laden air inside the device with the air purification system into the channel 6 is blocked, so that the first filter 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 , the outdoor fresh air enters the sealed cavity 12 through the airflow inlet 12 a on the sealed casing 11 , and passes through the first-stage filtration of the filter screen cover 13 . Then the air flow enters the cone cyclone separator from the air flow guide port 21a of the cone cyclone separator 21, and the small particles of impurities in the cone cyclone separator settle to the bottom under the action of centrifugal force and gravity, so that the separated impurities are removed from the cone cyclone separator. The bottom 21b settles and the filtered gas flows out from the top 21c of the cone cyclone. Implements a second level of filtering. The settled impurities fall into the removable dust collecting box 8, which can be removed and removed after a certain period of time. The gas flowing out from the top 21c of the conical cyclone separator enters the fresh air chamber 7, and is filtered by the detachable HEPA filter set in the fresh air chamber 7 to complete the tertiary filtration, and then the fresh air that has completed the tertiary filtration is sent into the room through the fan 9 .

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 slider 43 to move, and the slider 43 moves to block the outdoor fresh air inlet channel 5, so that the first filter module 1 and the belt The dust-laden air inlet channel 6 in the device of the air purification system is communicated through the cavity 42 . The device with an air purification system can be an air conditioner, and the dust-laden air in the air conditioner is due to the long-term use of the air conditioner, and dust is deposited on the air ducts, filters, etc. inside the air conditioner. Under the negative pressure suction of the fan 9, the dust deposited in the air ducts inside the air conditioner will follow the airflow into the first filter module 1, and then pass through the second filter module 2 and the third filter module 3 in sequence. The three-stage filtering is the same as the filtering principle of the above-mentioned fresh air, and will not be repeated here. The dust-laden gas after tertiary filtration can be sent into the room or into the other pipes leading to the outside.

Embodiment 2

The embodiment of the present invention provides an air purification method. The method includes: when 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 air sucked by the fan 9 is negatively pressured. The particle impurities of the first preset size are filtered; then the gas passing through the primary filtration module 1 is passed into the secondary filtration module 2 to separate impurities by centrifugation, and finally the tertiary filtration module 3 is used to pass through the secondary filtration module 2. The particulate impurities of the second preset size in the gas are filtered, and the gas passing through the tertiary filter module 3 is sent into the room through the fan 9; when cleaning the interior of the device with the air purification system, the reversing module 4 changes to enter the first stage The gas entry channel of the filter module 1 makes the entry channel 6 of the dust-containing gas inside the device with the air purification system communicate with the primary filter module 1, so that the dust-containing gas passes through the primary filter module 1, the secondary filter module 2, and the primary filter module 1 accordingly. The tertiary filter module 3 is sent indoors or outdoors through the fan 9 after being purified.

The air purification method has the same advantages as the above air purification system, which will not be repeated here.

Embodiment 3

This embodiment provides an air conditioner, and the air conditioner includes the air purification system described in the first embodiment.

The air conditioner has the same technical features as the air purification system in the above embodiment, and has the same advantages as the air purification system in the above embodiment, and will not be repeated here.

To sum up, the air purification system, method and air conditioner provided by the present utility model can not only purify the fresh air introduced from the outside, improve the quality of the fresh air, but also clean the accumulated air inside the device with the air purification system, such as the air duct, the filter screen, etc. Dust, realize the separation of dust and gas, and the cleaned air is discharged into the room to prevent the dust-laden gas from polluting the indoor air. It can prevent bacteria, odor and other problems caused by dust accumulation in filters and air ducts, thereby avoiding harm to the human body.

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on the scope defined by the claims.

Claims (9)

1. An air purification system, characterized in that 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 centrifugal action;

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 three-stage filtering module (3) is sent indoors or outdoors through a fan (9);

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.

2. The system according to claim 1, wherein the secondary filter module (2) comprises at least one conical cyclone (21), wherein an airflow guide opening (21a) is arranged along the tangential direction of the conical cyclone (21), the gas passing through the primary filter module enters the conical cyclone through the airflow guide opening, the separated impurities are settled from the bottom (21b) of the conical cyclone, and the filtered gas flows out from the top (21c) of the conical cyclone.

3. A system according to claim 2, characterized in that the secondary filtration module comprises several conical cyclones (21), which conical cyclones (21) are located next to each other and arranged in a circle.

4. A system according to claim 2 or 3, wherein the primary filter module (1) comprises a seal housing (11) fitted over the outer wall of the conical cyclone separator (21), a seal chamber (12) formed between the seal housing (11) and the conical cyclone separator (21), and a filter screen (13) disposed in the seal chamber (12) and fitted over the outer wall of the conical cyclone separator (21), the filter screen (13) having filter holes (13a) of a first predetermined size, an air inlet (11a) being provided in the seal housing (11).

5. A system according to claim 2 or 3, characterized in that the conical cyclone top (21c) is connected with a tertiary filtration module (3), which tertiary filtration module (3) is arranged in the fresh air chamber (7).

6. The system according to claim 1, characterized in that the commutation module (4) comprises: the motor (41), the cavity (42) and a sliding 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), and the motor (41) drives the sliding block (43) to move, so that the cavity (42) is communicated with an outdoor fresh air inlet channel (5) or communicated with a dust-containing air inlet channel (6) inside a device with an air purification system.

7. The system according to claim 1, characterized in that the tertiary filtration module (3) is a removable HEPA filter screen.

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

9. An air conditioner characterized in that it comprises an air purification system as claimed in any one of claims 1 to 8.

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