Air filtering device, control method thereof, air conditioner and computer readable storage medium

Abstract

The invention relates to the technical field of air conditioners, particularly provides an air filtering device and a control method thereof, an air conditioner and a computer readable storage medium, and aims to solve the problems that a fresh air module of an existing air conditioner adopts a single filter screen to filter impurities in air, the filtering effect is poor, indoor air pollution is caused, and user experience is reduced. In order to achieve the purpose, the air filtering device comprises a cyclone separator and a dust collection cleaning mechanism which is installed on the lower portion of the cyclone separator and communicated with the cyclone separator. The air filtering device comprises the cyclone separator and the dust collecting and cleaning mechanism, air is introduced into the cyclone separator and rotates on the inner wall face of the cyclone separator, impurities in the air are separated from the air under the action of centrifugal force and enter the dust collecting and cleaning mechanism, the air with the impurities removed enters the fresh air module, and the fresh air module is used for purifying the air. And the filtering effect is good, indoor air pollution cannot be caused, and the user experience is improved.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, specifically providing an air filtration device and its control method, an air conditioner, and a computer-readable storage medium. Background Technology

[0002] Air conditioners with fresh air modules can introduce outdoor air into the room to improve indoor air quality. However, in some cases, outdoor air contains more impurities, and the fresh air module needs to filter these impurities.

[0003] Existing air conditioners use a single filter in their fresh air modules to filter impurities in the air, which is ineffective and can easily cause indoor air pollution. Summary of the Invention

[0004] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problem that the existing air conditioning fresh air module uses a single filter to filter impurities in the air, which has poor filtration effect, easily causes indoor air pollution, and thus reduces the user experience.

[0005] In a first aspect, the present invention provides an air filtration device applied in an air conditioner, the air conditioner including an indoor unit, the indoor unit including a housing and a fresh air module installed in the housing; the air filtration device is disposed outdoors, including a cyclone separator and a dust collection and cleaning mechanism installed in and communicating with the lower part of the cyclone separator; wherein air is introduced into the interior of the cyclone separator and rotates on the inner wall of the cyclone separator, causing impurities in the air to be separated from the air under the action of centrifugal force and enter the dust collection and cleaning mechanism, the air with the impurities removed enters the fresh air module and is sent indoors.

[0006] In the preferred embodiment of the above-mentioned air filtration device, the cyclone separator includes a cyclone separator cylinder, an air inlet branch pipe, and an air outlet pipe; the cyclone separator cylinder is vertically arranged; the air inlet branch pipe is horizontally arranged and integrally constructed on the upper side of the cyclone separator cylinder, the front end of the air inlet branch pipe is an air inlet, for the air to enter the interior of the cyclone separator cylinder from the air inlet and the air inlet branch pipe; the air outlet pipe is integrally constructed on the top of the cyclone separator cylinder and connected to the fresh air module so that the air with impurities removed can enter the fresh air module.

[0007] In the preferred embodiment of the air filtration device described above, the cyclone separator further includes a filter screen, which is installed on the air inlet for filtering the air.

[0008] In the preferred embodiment of the air filtration device described above, the indoor unit of the air conditioner further includes a controller and a condensate drain pipe; the controller is mounted on the housing; the condensate drain pipe is installed inside the housing and extends to the outside of the housing.

[0009] In the preferred embodiment of the above-mentioned air filtration device, the dust collection and cleaning mechanism includes a dust collection cylinder, a connector pipe, a water level sensor, and a one-way check valve; the upper end of the dust collection cylinder is connected to and passes through the lower end of the cyclone separator cylinder; the connector pipe is integrally constructed on the upper outer side of the dust collection cylinder and communicates with the interior of the dust collection cylinder; the connector pipe is connected to the condensate drain pipe so that condensate enters the interior of the dust collection cylinder through the connector pipe; the water level sensor is installed in the upper inner part of the dust collection cylinder and communicates with the controller to obtain the water level value of the condensate inside the dust collection cylinder; the one-way check valve is installed in the lower inner part of the dust collection cylinder and communicates with the controller to drain the condensate.

[0010] In the preferred embodiment of the above-mentioned air filtration device, the inner wall of the dust collection cylinder is provided with multiple sets of raised bands or multiple sets of recessed bands to locally generate eddies in the air, thereby promoting the separation and falling of impurities in the air from the air.

[0011] In the preferred embodiment of the air filtration device described above, the lower end of the dust collection cylinder is connected to the building drainage pipe to remove the condensate after use.

[0012] The air filtration device of this application, by setting the air filtration device outdoors, includes a cyclone separator and a dust collection and cleaning mechanism installed at the bottom of the cyclone separator and communicating with it. Air is introduced into the interior of the cyclone separator and rotates on the inner wall of the cyclone separator, causing impurities in the air to be separated from the air under the action of centrifugal force and enter the dust collection and cleaning mechanism. The air with impurities removed enters the fresh air module and is sent into the room. The filtration effect is good and will not cause indoor air pollution, thereby improving the user experience.

[0013] In a second aspect, the present invention also provides a control method for an air filtration device, the control method comprising the following steps:

[0014] When the air conditioner turns on the fresh air module, the air enters the interior of the cyclone separator cylinder through the filter and the air inlet, and rotates on the inner wall of the cyclone separator cylinder. This causes impurities in the air to be separated from the air and enter the dust collection cylinder under the action of centrifugal force. The air with the impurities removed then enters the fresh air module and is delivered into the room. The water level sensor acquires the water level value of the condensate inside the dust collection cylinder in real time and sends the water level value to the controller. The controller compares the water level value with a preset water level value. When the water level value reaches the preset water level value, the controller controls the one-way check valve to open, discharging the condensate mixed with impurities in the dust collection cylinder into the building drainage pipe.

[0015] The control method of the air filtration device of this application obtains the water level value of the condensate inside the dust collection cylinder through a water level sensor. The controller compares the water level value with the preset water level value. When the water level value reaches the preset water level value, the controller controls the one-way check valve to open, and discharges the condensate mixed with impurities in the dust collection cylinder into the building drainage pipe. The condensate is used to remove impurities, achieve self-cleaning, and reduce the frequency of manual maintenance.

[0016] In a third aspect, the present invention also provides an air conditioner, the air conditioner comprising the air filtration device described in any one of the first aspects above.

[0017] The air conditioner of this technical solution includes the air filtration device of any technical solution of the present invention, and therefore has all the technical effects of the air filtration device of any technical solution of the present invention.

[0018] In a fourth aspect, the present invention also provides a computer-readable storage medium storing a computer program that, when executed, enables the control method of the air filtration device described in the second aspect above.

[0019] The computer-readable storage medium of this technical solution includes the control method of the air filtration device of any technical solution of the present invention, and therefore has all the technical effects of the control method of the air filtration device of any technical solution of the present invention. Attached Figure Description

[0020] The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

[0021] Figure 1 This is a schematic diagram of the connection between an air filtration device and an air conditioner in an embodiment of this application;

[0022] Figure 2 This is a perspective view of an air filtration device according to an embodiment of this application;

[0023] Figure 3 This is a schematic diagram of the structure of an air filtration device according to an embodiment of this application;

[0024] Figure 4 This is a cross-sectional view of an air filtration device according to an embodiment of this application;

[0025] Figure 5 This is a flowchart of a control method for an air filtration device according to an embodiment of this application.

[0026] List of markers in the diagram:

[0027] 100. Indoor unit of air conditioner; 101. Housing; 102. Fresh air module; 103. Controller; 104. Condensate drain pipe;

[0028] 200. Air filtration device; 201. Cyclone separator; 202. Dust collection and cleaning mechanism; 203. Filter screen; 2011. Cyclone separator cylinder; 2012. Air inlet branch pipe; 2013. Air outlet pipe; 2021. Dust collection cylinder; 2022. Connecting pipe; 2023. Water level sensor; 2024. One-way check valve; 2025. Raised strip. Detailed Implementation

[0029] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the air filtration device and its control method, air conditioner, and computer-readable storage medium of the present invention, and are not intended to limit the scope of protection of the present invention.

[0030] It should be noted that in the description of this invention, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0032] Preferred embodiments of this application will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this application and are not intended to limit the scope of protection of this application. For example, although the steps are described in a sequential order in the following embodiments, those skilled in the art will understand that, in order to achieve the effects of this embodiment, different steps need not be performed in such an order, and they can be performed simultaneously (in parallel).

[0033] The following is combined Figures 1 to 5 An air filtration device and its control method, an air conditioner, and a computer-readable storage medium are described in the embodiments of this application.

[0034] See Figure 1 This application provides an air filtration device for use in an air conditioner. The air conditioner includes an indoor unit 100, which includes a housing 101 and a fresh air module 102. The fresh air module 102 is installed inside the housing 101 and communicates with the outside. The air filtration device 200 includes a cyclone separator 201 and a dust collection and cleaning mechanism 202. The dust collection and cleaning mechanism 202 is installed at the lower part of the cyclone separator 201 and passes through it. Both the cyclone separator 201 and the dust collection and cleaning mechanism 202 are located outdoors and are connected to the fresh air module 102. Air is introduced into the interior of the cyclone separator 201 and rotates on the inner wall of the cyclone separator 201. Impurities in the air are separated from the air under centrifugal force and enter the dust collection and cleaning mechanism 202. The air with impurities removed enters the fresh air module 102 and is then delivered indoors.

[0035] The air filtration device of this application, by setting the air filtration device 200 outdoors, includes a cyclone separator 201 and a dust collection and cleaning mechanism 202 installed at the lower part of the cyclone separator 201 and communicating with it. Air is introduced into the interior of the cyclone separator 201 and rotates on the inner wall surface of the cyclone separator 201, causing impurities in the air to be separated from the air under the action of centrifugal force and enter the dust collection and cleaning mechanism 202. The air with impurities removed enters the fresh air module 102 and is sent into the room. The filtration effect is good and will not cause indoor air pollution, thereby improving the user experience.

[0036] See Figure 1 , Figure 2 , Figure 3 and Figure 4In the preferred embodiment of the air filtration device described above, the cyclone separator 201 includes a cyclone separator cylinder 2011, an air inlet branch pipe 2012, and an air outlet pipe 2013. The cyclone separator cylinder 2011 is vertically installed outdoors, while the air inlet branch pipe 2012 is horizontally installed and integrally formed on the upper side of the cyclone separator cylinder 2011. The front end of the air inlet branch pipe 2012 serves as an air inlet, allowing air to enter the interior of the cyclone separator cylinder 2011 through the air inlet and the air inlet branch pipe 2012. The air outlet pipe 2013 is integrally formed on the top of the cyclone separator cylinder 2011 and connects to the fresh air module 102, allowing impurity-removed air to enter the fresh air module 102. The fresh air module 102 is a fresh air module found in existing air conditioners, and its specific structure will not be described here.

[0037] Specifically, the cyclone separator cylinder 2011 is a tapered cylinder from top to bottom. The air inlet branch pipe 2012 has a square or circular cross-section and is integrally constructed on the upper side of the cyclone separator cylinder 2011 through a mold. The air inlet of the air inlet branch pipe 2012 faces the outside of the building to facilitate air entry. The air outlet pipe 2013 and the fresh air module 102 are connected by threads, clips, or screws. The cyclone separator 201 is made of plastic or metal.

[0038] In this embodiment, the cyclone separator 201 also includes a support frame (not shown in the figure). The support frame is ring-shaped and has mounting ears with through holes. The support frame is fitted onto the cyclone separator cylinder 2011, and expansion bolts are inserted into the through holes and connected to the building to fix the cyclone separator 201.

[0039] In the preferred embodiment of the air filtration device described above, the cyclone separator 200 further includes a filter screen 203, which is installed on the air inlet for filtering the air. By setting the filter screen 203, larger particles and lint in the air can be removed.

[0040] In this embodiment, the filter 203 is installed on the air inlet using clips and screws, facilitating disassembly, replacement, and cleaning. The mesh size of the filter 203 is determined according to actual needs.

[0041] See Figure 1 In the preferred embodiment of the air filtration device described above, the indoor unit 100 of the air conditioner further includes a controller 103 and a condensate drain pipe 104. The controller 103 is mounted on the housing 101, and the condensate drain pipe 104 is installed inside the housing 101 and extends to the outside of the housing 101.

[0042] In this embodiment, the controller 103 is a common controller used in existing washing machines.

[0043] See Figure 1 , Figure 2 , Figure 3 and Figure 4 In the preferred embodiment of the air filtration device described above, the dust collection and cleaning mechanism 202 includes a dust collection cylinder 2021, a connector pipe 2022, a water level sensor 2023, and a one-way check valve 2024. The upper end of the dust collection cylinder 2021 is connected to and passes through the lower end of the cyclone separator cylinder 2011. The connector pipe 2022 is integrally constructed on the upper outer side of the dust collection cylinder 2021 and communicates with the interior of the dust collection cylinder 2021. The connector pipe 2022 is connected to the condensate drain pipe 104 so that condensate enters the interior of the dust collection cylinder 2021 through the connector pipe 2022. The water level sensor 2023 is installed in the upper inner part of the dust collection cylinder 2021 and is communicatively connected to the controller 103 to obtain the water level value of the condensate inside the dust collection cylinder 2021. The one-way check valve 2024 is installed in the lower inner part of the dust collection cylinder 2021 and is communicatively connected to the controller 103 to drain the condensate.

[0044] In this embodiment, the upper end of the dust collection cylinder 2021 and the lower end of the cyclone separator cylinder 2011 are connected by threads for easy disassembly and maintenance. The connector pipe 2022 is integrally molded onto the upper outer side of the dust collection cylinder 2021, and the connector pipe 2022 and the condensate drain pipe 104 are connected by snap-fit ​​for easy disassembly and assembly. The water level sensor 2023 is installed inside the dust collection cylinder 2021 with screws and communicates with the controller 103 via a connecting cable. The one-way check valve 2024 is installed in the lower inner part of the dust collection cylinder 2021 with snap-fits and screws. The one-way check valve 2024 communicates with the controller 103 via a connecting cable and prevents the intrusion of biological pollutants such as mosquitoes.

[0045] Specifically, condensate enters the dust collection cylinder 2021 through the connector pipe 2022. Impurities fall into the dust collection cylinder 2021 and are wetted by the condensate, mixing with it. Condensate continuously enters the dust collection cylinder 2021. The water level sensor 2023 acquires the water level value of the condensate in real time and sends it to the controller 103. When the water level value of the condensate reaches the preset water level value, the controller 103 controls the one-way check valve 2024 to open, and the condensate mixed with impurities is discharged into the building drainage pipe. The condensate is used to wet the impurities, namely dust and lint, to prevent them from entering the room.

[0046] See Figure 2 and Figure 4 In the preferred embodiment of the air filtration device described above, the inner wall of the dust collection cylinder 2021 is longitudinally provided with multiple sets of raised bands 2025 or multiple sets of recessed bands to generate local air vortices, thereby promoting the separation and falling of impurities from the air. By providing multiple sets of raised bands 2025 or multiple sets of recessed bands, local air vortices can be generated, which can promote the separation of impurities from the air and their falling into the dust collection cylinder 2021.

[0047] In this embodiment, multiple sets of raised bands 2025 or multiple sets of recessed bands are equidistantly arranged. The multiple sets of raised bands 2025 include multiple longitudinally structured raised blocks, and the raised blocks are circular. The multiple sets of recessed bands include multiple longitudinally structured recesses, and all recesses are circular.

[0048] In the preferred embodiment of the air filtration device described above, the lower end of the dust collection cylinder 2021 is connected to the building drain pipe to remove condensate after use.

[0049] In this embodiment, the lower part of the dust collection cylinder 2021 is connected to the building drainage pipe through a corrugated pipe. One end of the corrugated pipe is connected to the lower part of the dust collection cylinder 2021 through a buckle and a screw, and the other end of the corrugated pipe is connected to the drainage pipe through a buckle and a screw.

[0050] See Figure 5 This application also provides a control method for an air filtration device, which includes the following steps:

[0051] Step S101: When the fresh air module 102 of the air conditioner is turned on, air enters the interior of the cyclone separator cylinder 2011 through the filter 203 and the air inlet, and rotates on the inner wall of the cyclone separator cylinder 2011. This causes impurities in the air to be separated from the air and enter the dust collection cylinder 2021 under the action of centrifugal force. The air with impurities removed enters the fresh air module 102 and is sent into the room.

[0052] Step S102: The water level sensor 2023 acquires the water level value of the condensate inside the dust collection cylinder 2021 in real time and sends the water level value to the controller 103.

[0053] In this embodiment, for example, the water level sensor 2023 obtains the water level value of the condensate inside the dust collection cylinder 2021 in real time, which is 10 centimeters in height.

[0054] Step S103: The controller 103 compares the water level value with the preset water level value. When the water level value reaches the preset water level value, the controller 103 controls the one-way check valve 2024 to open, and discharges the condensate water mixed with impurities in the dust collection cylinder 2021 into the building drainage pipe.

[0055] In this embodiment, for example, the water level sensor 2023 obtains the water level value of the condensate inside the dust collection cylinder 2021 in real time as 10 cm in height. The preset water level value is 10 cm in height. At this time, the controller 103 controls the one-way check valve 2024 to open, and the condensate mixed with impurities is discharged into the building drainage pipe.

[0056] The control method of the air filtration device of this application obtains the water level value of the condensate inside the dust collection cylinder 2021 through the water level sensor 2023. The controller 103 compares the water level value with the preset water level value. When the water level value reaches the preset water level value, the controller 103 controls the one-way check valve 2024 to open, so that the condensate mixed with impurities in the dust collection cylinder 2021 is discharged into the building drainage pipe. The condensate is used to remove impurities, achieve self-cleaning, reduce dependence on external resources, and reduce the frequency of manual maintenance.

[0057] See Figure 1 This application also provides an air conditioner that includes the air filtration device described above.

[0058] The air conditioner of this technical solution includes the air filtration device of any technical solution of the present invention, and therefore has all the technical effects of the air filtration device of any technical solution of the present invention.

[0059] This application provides a computer-readable storage medium storing a computer program that, when executed, enables the control method of the air filtration device described above.

[0060] The control method in this embodiment is the same as the control method of the air filtration device described above. Therefore, the control method will not be described again in this embodiment.

[0061] The computer-readable storage medium of this technical solution includes the control method of the air filtration device of any technical solution of the present invention, and therefore has all the technical effects of the control method of the air filtration device of any technical solution of the present invention.

[0062] Computer-readable media includes both computer storage media and communication media, encompassing any medium that facilitates the transfer of a computer program from one location to another. Storage media can be any available medium accessible to a computer. By way of example, and not limitation, such computer-readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disc storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and is accessible to a computer. Any connection is also properly referred to as computer-readable media.

[0063] Those skilled in the art will understand that although some embodiments described herein include certain features but not others included in other embodiments, combinations of features from different embodiments are intended to be within the scope of this application and form different embodiments. For example, any of the claimed embodiments in the claims of this application can be used in any combination.

[0064] It should be noted that although the detailed steps of the method of this application have been described in detail above, those skilled in the art can combine, split and rearrange the above steps without departing from the basic principles of this application. Such modified technical solutions do not change the basic concept of this application and therefore also fall within the protection scope of this application.

Claims

1. An air filtration device used in an air conditioner, the air conditioner including an indoor unit (100), the indoor unit (100) including a housing (101) and a fresh air module (102) installed in the housing (101). The air filtration device (200) is located outdoors and includes a cyclone separator (201) and a dust collection and cleaning mechanism (202) installed at the lower part of the cyclone separator (201) and communicating with it. in, Air is introduced into the interior of the cyclone separator (201) and rotates on the inner wall of the cyclone separator (201), causing impurities in the air to be separated from the air under the action of centrifugal force and enter the dust collection and cleaning mechanism (202). The air with the impurities removed enters the fresh air module (102) and is sent into the room.

2. The air filtration device according to claim 1, characterized in that, The cyclone separator (201) includes a cyclone separator cylinder (2011), an air inlet branch pipe (2012), and an air outlet pipe (2013). The cyclone separator cylinder (2011) is vertically arranged; The air inlet branch pipe (2012) is arranged horizontally and integrally constructed on the upper side of the cyclone separator cylinder (2011). The front end of the air inlet branch pipe (2012) is an air inlet, which is used for the air to enter the interior of the cyclone separator cylinder (2011) from the air inlet and the air inlet branch pipe (2012). The air outlet pipe (2013) is integrally constructed on the top of the cyclone separator cylinder (2011) and connected to the fresh air module (102) so that the air with the impurities removed can enter the fresh air module (102).

3. The air filtration device according to claim 2, characterized in that, The cyclone separator (200) also includes a filter (203) installed on the air inlet for filtering the air.

4. The air filtration device according to claim 2, characterized in that, The indoor unit (100) of the air conditioner also includes a controller (103) and a condensate drain pipe (104). The controller (103) is mounted on the housing (101); The condensate drain pipe (104) is installed inside the housing (101) and extends outside the housing (101).

5. The air filtration device according to claim 4, characterized in that, The dust collection and cleaning mechanism (202) includes a dust collection cylinder (2021), a connector pipe (2022), a water level sensor (2023), and a one-way check valve (2024). The upper end of the dust collection cylinder (2021) is connected to and penetrates the lower end of the cyclone separator cylinder (2011); The connector pipe (2022) is integrally constructed on the upper outer side of the dust collection cylinder (2021) and communicates with the interior of the dust collection cylinder (2021). The connector pipe (2022) is connected to the condensate drain pipe (104) so ​​that condensate enters the interior of the dust collection cylinder (2021) through the connector pipe (2022). The water level sensor (2023) is installed inside the upper part of the dust collection cylinder (2021) and is communicatively connected to the controller (103) to obtain the water level value of the condensate inside the dust collection cylinder (2021); The one-way check valve (2024) is installed in the lower part of the dust collection cylinder (2021) and is communicatively connected to the controller (103) to drain the condensate.

6. The air filtration device according to claim 5, characterized in that, The inner wall of the dust collection cylinder (2021) is provided with multiple sets of raised bands (2025) or multiple sets of recessed bands to locally generate eddies in the air, so as to promote the separation and falling of impurities in the air from the air.

7. The air filtration device according to claim 5, characterized in that, The lower end of the dust collection cylinder (2021) is connected to the building drainage pipe to remove the condensate after use.

8. A control method for controlling the air filtration device according to claim 7, characterized in that, The control method includes the following steps: When the air conditioner turns on the fresh air module (102), the air enters the interior of the cyclone separator cylinder (2011) through the filter (203) and the air inlet, and rotates on the inner wall of the cyclone separator cylinder (2011), causing impurities in the air to be separated from the air under the action of centrifugal force and enter the dust collection cylinder (2021). The air with the impurities removed enters the fresh air module (102) and is sent into the room. The water level sensor (2023) acquires the water level value of the condensate inside the dust collection cylinder (2021) in real time and sends the water level value to the controller (103). The controller (103) compares the water level value with the preset water level value. When the water level value reaches the preset water level value, the controller (103) controls the one-way check valve (2024) to open and discharge the condensate mixed with the impurities in the dust collection cylinder (2021) into the building drainage pipe.

9. An air conditioner, characterized in that, The air conditioner includes the air filtration device according to any one of claims 1-7.

10. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed, it can implement the control method of the air filtration device according to claim 8.

Images