Filter cleaning device, method and air purifier

Abstract

The present invention discloses a filter cleaning device, method and air purifier, the device is applied to an air purifier, the air purifier includes a filter, the filter cleaning device includes: a driving mechanism; a transmission mechanism, including a magnetic part and a conductive coil, the magnetic part has a first magnetic field, the conductive coil is located on the side of the magnetic part and is connected to the filter; wherein the filter is movably arranged, the driving mechanism is connected to the transmission mechanism, and the driving mechanism can make the conductive coil generate a second magnetic field that repels the first magnetic field. The present invention uses a driving mechanism to make the conductive coil generate a magnetic field that repels the magnetic field of the magnetic part, and the conductive coil moves through the magnetic field repulsion force, and then the conductive coil drives the filter to move, so as to shake off the dust on the filter, thereby realizing automatic cleaning of the filter in the air purifier, and improving the filter cleaning efficiency and enhancing the filter cleaning effect.

Description

Technical Field

[0001] The present invention relates to the technical field of air purifiers, and in particular to a filter cleaning device, method and air purifier. Background Art

[0002] Air purifier, also known as "air cleaner", air refresher, purifier, refers to a product that can absorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, odor, decoration pollution such as formaldehyde, bacteria, allergens, etc.), effectively improving the cleanliness of the air.

[0003] When the air purifier is in operation, the filter used to filter the air cannot move, that is, the filter will be in a static state for a long time. Therefore, when it is used for a long time, the filter is easy to be attached with a lot of dust, resulting in a shortened service life of the filter and a reduced filtering effect. In addition, the existing air purifier lacks the function of self-cleaning filter, so when cleaning the filter, it is often necessary to manually remove the dust, which makes cleaning time-consuming and laborious. Summary of the invention

[0004] The embodiments of the present invention provide a filter cleaning device, method and air purifier, which are intended to realize automatic cleaning of the filter in the air purifier, improve the filter cleaning efficiency, and enhance the filter cleaning effect.

[0005] In a first aspect, an embodiment of the present invention provides a filter cleaning device, which is applied to an air purifier, wherein the air purifier includes a filter, and the filter cleaning device includes:

[0006] Driving mechanism;

[0007] The transmission mechanism comprises a magnetic part and a conductive coil, wherein the magnetic part has a first magnetic field, and the conductive coil is located at a side of the magnetic part and connected to the filter screen;

[0008] Wherein, the filter screen is movably arranged, the driving mechanism is connected to the transmission mechanism, and the driving mechanism can make the conductive coil generate a second magnetic field that repels the first magnetic field.

[0009] Furthermore, the driving mechanism includes a first driving member, and the magnetic portion is disposed on the first driving member and can rotate under the drive of the first driving member.

[0010] Furthermore, the driving mechanism includes a second driving member, which is connected to the conductive coil and can be selectively communicated with the conductive coil.

[0011] Furthermore, the first driving member includes a driving motor and a rotating shaft, one end of the rotating shaft is connected to the driving motor, and the other end of the rotating shaft is connected to the magnetic part.

[0012] Furthermore, the magnetic part is a permanent magnet.

[0013] Furthermore, the permanent magnet includes an N pole and an S pole, and the N pole and the S pole are located on both sides of the rotating shaft.

[0014] Furthermore, the conductive coil is provided in plurality, and the plurality of conductive coils are circumferentially distributed on the side of the magnetic part.

[0015] Furthermore, the conductive coil is arranged in an 8-shape.

[0016] Furthermore, the filter cleaning device also includes a dust sensor for detecting whether there is dust on the filter.

[0017] Furthermore, the filter cleaning device also includes a dust box arranged below the filter, and electrode sheets for detecting the amount of dust are arranged on both sides of the interior of the dust box.

[0018] In a second aspect, an embodiment of the present invention provides a filter cleaning method, which is applied to the filter cleaning device as described in any one of the above items, and the method comprises:

[0019] The transmission mechanism is driven by the driving mechanism, so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field to shake off the dust on the filter.

[0020] Further, the driving mechanism drives the transmission mechanism so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field to shake off dust on the filter, including:

[0021] The magnetic part is driven to rotate by the first driving member, so that the conductive coil generates a second magnetic field that repels the first magnetic field of the magnetic part under the rotation of the magnetic part, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter.

[0022] Further, the driving mechanism drives the transmission mechanism so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field to shake off dust on the filter, including:

[0023] The second driving member is connected to the conductive coil and transmits an alternating current to the conductive coil, so that the conductive coil generates a second magnetic field that repels the first magnetic field of the magnetic part, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter.

[0024] In a fourth aspect, an embodiment of the present invention provides an air purifier, comprising a filter cleaning device as described in any one of the above items.

[0025] The embodiment of the present invention provides a filter cleaning device, method and air purifier, the device is applied to the air purifier, the air purifier includes a filter, the filter cleaning device includes: a driving mechanism;

[0026] The transmission mechanism includes a magnetic part and a conductive coil, wherein the magnetic part has a first magnetic field, and the conductive coil is located on the side of the magnetic part and connected to the filter; wherein the filter is movably arranged, and the driving mechanism is connected to the transmission mechanism, and the driving mechanism can cause the conductive coil to generate a second magnetic field that repels the first magnetic field. In the embodiment of the present invention, the driving mechanism causes the conductive coil to generate a magnetic field that repels the magnetic field of the magnetic part, and then drives the conductive coil to move through the magnetic field repulsion force between the two magnetic fields, and further causes the conductive coil to drive the filter to move, thereby shaking off the dust on the filter, thereby realizing automatic cleaning of the filter, thereby improving the cleaning efficiency of the filter, enhancing the cleaning effect of the filter, and also reducing the cost of manual cleaning, and enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0028] Figure 1 A schematic structural diagram of a filter cleaning device provided in an embodiment of the present invention;

[0029] Figure 2 A schematic diagram of the state of a conductive coil in a filter cleaning device provided by an embodiment of the present invention;

[0030] Figure 3 A schematic flow chart of a filter cleaning method provided by an embodiment of the present invention;

[0031] Figure 4 A schematic diagram of a sub-process of step S101 in a filter cleaning method provided in an embodiment of the present invention;

[0032] Figure 5 A schematic diagram of another sub-flow of step S101 in a filter cleaning method provided by an embodiment of the present invention;

[0033] Figure 6 A schematic diagram of a sub-process of step S301 in a filter cleaning method provided in an embodiment of the present invention;

[0034] Figure 7 Another schematic diagram of a filter cleaning method provided by an embodiment of the present invention;

[0035] Figure 8 A schematic block diagram of an air purifier provided in an embodiment of the present invention;

[0036] Markings in the figure:

[0037] 1. Filter; 11. Connectors;

[0038] 2. First driving member; 21. Driving motor; 22. Rotating shaft; 23. Wind wheel;

[0039] 3. Second driving member; 31. Dust sensor;

[0040] 4. Magnetic part;

[0041] 5. Conductive coil;

[0042] 6. Dust box; 61. Electrode sheet. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0045] It should also be understood that the terms used in this specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0046] It should be further understood that the term "and / or" used in the present description and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0047] See below Figure 1 The embodiment of the present invention provides a filter cleaning device, which is applied to an air purifier. The air purifier includes a filter 1. The filter cleaning device includes:

[0048] Driving mechanism;

[0049] The transmission mechanism comprises a magnetic part 4 and a conductive coil 5, wherein the magnetic part 4 has a first magnetic field, and the conductive coil 5 is located at the side of the magnetic part and connected to the filter screen 1;

[0050] The filter screen 1 is movably arranged, the driving mechanism is connected to the transmission mechanism, and the driving mechanism can make the conductive coil 5 generate a second magnetic field that repels the first magnetic field.

[0051] In this embodiment, the driving mechanism is used to make the conductive coil 5 generate a magnetic field that repels the magnetic field of the magnetic part 4, and then the magnetic field repulsion force between the two magnetic fields drives the conductive coil 5 to move, and further makes the conductive coil 5 drive the filter 1 to move, so as to shake off the dust on the filter, thereby realizing automatic cleaning of the filter, thereby improving the cleaning efficiency of the filter 1, enhancing the cleaning effect of the filter 1, and also reducing the cost of manual cleaning, and enhancing the user experience.

[0052] In one embodiment, the driving mechanism includes a first driving member 2 , and the magnetic portion 4 is disposed on the first driving member 2 and can rotate under the drive of the first driving member 2 .

[0053] In this embodiment, the first driving member 2 drives the magnetic part 4 (for example, a permanent magnet having an N pole and an S pole) to rotate. During the rotation, the conductive coil 5 cuts the magnetic field of the magnetic part 4 (in order to distinguish it from the magnetic field of the conductive coil 5, the magnetic field of the magnetic part 4 is named the first magnetic field, and the magnetic field of the conductive coil 5 is named the second magnetic field), thereby generating an induced current, and the conductive coil 5 can generate its own magnetic field according to the induced current. At this time, the magnetic field of the magnetic part 4 repels the magnetic field of the conductive coil 5, which will cause the conductive coil 5 to move due to the magnetic field repulsion force. At the same time, since the conductive coil 5 is connected to the filter 1, the conductive coil 5 will also drive the filter 1 to move when it moves, so that the filter 1 can shake off the dust attached to itself during the movement, thereby achieving the effect of automatic cleaning.

[0054] In another embodiment, the driving mechanism includes a second driving member 3 , which is connected to the conductive coil 5 and can be selectively communicated with the conductive coil 5 .

[0055] In this embodiment, an alternating current can be directly transmitted to the conductive coil 5 through the second driving member 3, so that the conductive coil 5 generates a magnetic field based on the alternating current, thereby generating a magnetic field repulsive force with the magnetic field of the magnetic part 4, and then based on the magnetic field repulsive force, the filter 1 is driven to move to shake off the dust attached to the filter 1.

[0056] In actual application scenarios, in order to further enhance the cleaning effect of the filter, the first driving member 2 can be used to increase the rotation speed of the magnetic part 4, so that a larger induced current can be generated, so that the magnetic field force of the magnetic field generated by the conductive coil 5 is stronger, thereby making the conductive coil 5 move more violently, and driving the filter 1 to move more violently, so that the dust moves with a larger amplitude. Of course, the second driving member 3 can also transmit a stronger alternating current to the conductive coil 5, which can also make the magnetic field force of the magnetic field of the conductive coil 5 stronger, so that the conductive coil 5 moves more violently, and drives the filter 1 to move more violently, so that the dust moves with a larger amplitude.

[0057] In addition, in another practical application scenario, combined with Figure 2 The controller in the air purifier can be used as the second driving member 3 described in this embodiment, that is, the controller is used to selectively connect with the conductive coil 5, and after connecting with the conductive coil 5, an alternating current is transmitted to the conductive coil 5 to make it generate a second magnetic field that repels the first magnetic field of the magnetic part 4, thereby moving the conductive coil 5 and driving the filter 1 to move for dust removal.

[0058] In a specific embodiment, the first driving member 2 includes a driving motor 21 and a rotating shaft 22 . One end of the rotating shaft 22 is connected to the driving motor 21 , and the other end is connected to the magnetic part 4 .

[0059] In this embodiment, the magnetic part 4, such as a permanent magnet, is disposed on the rotating shaft 22, so that when the driving motor 21 is working, the magnetic part 4 is driven to rotate through the rotating shaft 22, so that the conductive coil 5 can cut the magnetic field of the magnetic part 4 when the magnetic part 4 rotates, thereby generating an induced current. Here, it should also be noted that in order to enable the conductive coil 5 to cut the magnetic field of the magnetic part 4, the N pole and the S pole of the magnetic part 4 (such as a permanent magnet) are disposed on both sides of the rotating shaft 22.

[0060] In the actual application scenario, the first driving member 2 also includes a wind wheel 23, one end of the rotating shaft 22 is connected to the driving motor 21, and the other end is connected to the wind wheel 23, and the magnetic part 4 is arranged on the wind wheel 23 and rotates with the wind wheel 23. In this way, when the air purifier is in working mode, the driving motor 21 and the wind wheel 23 in the working state can drive the magnetic part 4 to rotate. Such a setting can make the structure of the air purifier simpler and more compact, and improve the structural utilization. Furthermore, in order to enhance the intensity of the induced current, the speed of the wind wheel 23 can be increased by the driving motor 21, thereby increasing the speed of the magnetic part 4.

[0061] In one embodiment, a plurality of the conductive coils 5 are provided, and the plurality of conductive coils 5 are circumferentially distributed on the side of the magnetic portion 4 .

[0062] The cleaning effect of the filter screen can be further enhanced by providing multiple conductive coils 5. For example, when only one conductive coil 5 is provided, the filter screen 1 can only be driven to move by the one conductive coil 5, while when multiple conductive coils 5 are provided, the filter screen 1 can be driven to move by multiple conductive coils 5, thus ensuring that the filter screen 1 has a considerable movement strength, thereby improving the dust shaking effect.

[0063] Specifically, the conductive coil 5 is arranged in the shape of a figure 8. Of course, in other embodiments, conductive coils 5 of other shapes may also be used, such as a circular conductive coil 5, a square conductive coil 5, etc., as long as the corresponding functions can be achieved.

[0064] In addition, the conductive coil 5 is connected to the filter screen 1 via a connecting piece 11 .

[0065] In some optional embodiments, the connector 11 may be an extension of the conductive coil 5, or other connection structures, such as a plastic connection tube with a certain hardness, etc., as long as the conductive coil 5 can stably drive the filter 1 to move. It is understandable that if the connector 11 is relatively elastic, the force generated by the movement of the conductive coil 5 may be swallowed by the connector 11 and cannot be transmitted to the filter 1, which ultimately causes the filter 1 to be unable to be driven to move, thereby reducing or even eliminating the dust removal effect.

[0066] In one embodiment, the filter cleaning device further includes a dust sensor 31 for detecting whether there is dust on the filter 1 .

[0067] In this embodiment, a dust sensor 31 is provided to detect dust on the filter 1, and the corresponding detection result is sent to the second driving member 3, so that the second driving member 3 determines whether to transmit alternating current to the conductive coil 5 according to the detection result. For example, when the detection result shows that there is dust on the filter 1, the second driving member 3 can transmit alternating current to the conductive coil 5, so that the conductive coil 5 generates a magnetic field and moves, and drives the filter 1 to move, thereby achieving the effect of automatic cleaning of the filter 1. When the detection result shows that there is no dust on the filter 1, the second driving member 3 does not need to transmit alternating current to the conductive coil 5, so as to avoid waste of resources.

[0068] In a specific embodiment, the conductive coil 5 is in a closed state when not connected to the second driving member 3 , and is in an open state when connected to the second driving member 3 .

[0069] When the conductive coil 5 is in a closed state, a magnetic field can be generated by the rotation of the magnetic part 4, thereby driving the filter 1 to move together. When the conductive coil 5 is in an open state, a magnetic field can be generated according to the alternating current transmitted by the second driving member 3, thereby driving the filter 1 to move together.

[0070] In one embodiment, the filter cleaning device further comprises a dust box 6 disposed below the filter 1 , and electrode sheets 61 for detecting the amount of dust are disposed on both sides of the interior of the dust box 6 .

[0071] In this embodiment, by placing a dust box 6 below the filter 1, the dust shaken off the filter 1 can fall into the dust box 6, and avoid falling on other positions of the air purifier to affect the normal operation of the air purifier. At the same time, an electrode sheet 61 is arranged in the dust box 6, for example, on the inner walls of both sides of the dust box, so that the dust content in the dust box 6 can be judged according to the capacitance value of the electrode sheet 61, and when the dust content reaches a certain level, a dust removal alarm signal is sent through the second driving member 3 to remind the user to clean the dust in the dust box 6 in time.

[0072] In actual application scenarios, when there is no dust in the dust box 6, the initial capacitance value of the electrode sheet 61 is C0. After the air purifier has been working for a period of time, if the capacitance value of the electrode sheet 61 reaches C1 (which can be understood as reaching a preset capacitance threshold), it is determined that a certain amount of dust has accumulated in the dust box 6 (for example, it is full of dust). Therefore, a dust removal alarm signal can be issued through the second driving member 3.

[0073] The embodiment of the present invention also provides a flow chart of a filter screen cleaning method, which is applied to the filter screen cleaning device as described above, combined with Figure 3 , the method includes: step S101.

[0074] Step S101, driving the transmission mechanism through the driving mechanism, so that the conductive coil 5 generates a second magnetic field that repels the first magnetic field, and then the conductive coil 5 drives the filter 1 to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter 1.

[0075] In this embodiment, the driving mechanism is used to make the conductive coil 5 generate a magnetic field that repels the magnetic field of the magnetic part 4, and then the magnetic field repulsion force between the two magnetic fields drives the conductive coil 5 to move, and further makes the conductive coil 5 drive the filter 1 to move, so as to shake off the dust on the filter, thereby realizing automatic cleaning of the filter, thereby improving the cleaning efficiency of the filter 1, enhancing the cleaning effect of the filter 1, and also reducing the cost of manual cleaning, and enhancing the user experience.

[0076] Combination Figure 4 In one embodiment, the step S101 includes: step S201.

[0077] Step S201, when the air purifier is working, the magnetic part 4 is driven to rotate by the first driving member 2, so that the conductive coil 5 generates a second magnetic field that repels the first magnetic field of the magnetic part 4 under the rotation of the magnetic part 4, and then the conductive coil 5 drives the filter 1 to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter 1.

[0078] In this embodiment, the first driving member 2 drives the magnetic part 4 (for example, a permanent magnet having an N pole and an S pole) to rotate. During the rotation, the conductive coil 5 cuts the magnetic field of the magnetic part 4 (in order to distinguish it from the magnetic field of the conductive coil 5, the magnetic field of the magnetic part 4 is named the first magnetic field, and the magnetic field of the conductive coil 5 is named the second magnetic field), thereby generating an induced current, and the conductive coil 5 can generate its own magnetic field according to the induced current. At this time, the magnetic field of the magnetic part 4 repels the magnetic field of the conductive coil 5, which will cause the conductive coil 5 to move due to the magnetic field repulsion force. At the same time, since the conductive coil 5 is connected to the filter 1, the conductive coil 5 will also drive the filter 1 to move when it moves, so that the filter 1 can shake off the dust attached to itself during the movement, thereby achieving the effect of automatic cleaning.

[0079] Combination Figure 5 In another embodiment, the step S101 includes: step S301.

[0080] Step S301, connect the conductive coil 5 through the second driving member 3, and transmit an alternating current to the conductive coil 5, so that the conductive coil 5 generates a second magnetic field that repels the first magnetic field of the magnetic part 4, and then the conductive coil 5 drives the filter 1 to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter 1.

[0081] In this embodiment, an alternating current can be directly transmitted to the conductive coil 5 through the second driving member 3, so that the conductive coil 5 generates a magnetic field based on the alternating current, thereby generating a magnetic field repulsive force with the magnetic field of the magnetic part 4, and then based on the magnetic field repulsive force, the filter 1 is driven to move to shake off the dust attached to the filter 1.

[0082] In actual application scenarios, in order to further enhance the cleaning effect of the filter, the first driving member 2 can be used to increase the rotation speed of the magnetic part 4, so that a larger induced current can be generated, thereby making the magnetic field force of the magnetic field generated by the conductive coil 5 stronger, so that the conductive coil 5 moves more violently, and drives the filter 1 to move more violently, so that the dust moves with a larger amplitude. Of course, the second driving member 3 can also transmit a stronger alternating current to the conductive coil 5, which can also make the magnetic field force of the magnetic field of the conductive coil 5 stronger, so that the conductive coil 5 moves more violently, and drives the filter 1 to move more violently, so that the dust moves with a larger amplitude.

[0083] In one embodiment, if Figure 6 As shown, the step S301 includes: steps S401~S402.

[0084] Step S401, performing dust detection on the filter 1 through the dust sensor 31, and sending a detection signal to the second driving member 3; wherein the detection signal includes dust detection and dust non-detection;

[0085] Step S402: When the second driving member 3 confirms that the detection signal indicates that dust is detected, the conductive coil 5 is connected and an alternating current is transmitted to the conductive coil 5, so that the conductive coil 5 generates a second magnetic field based on the alternating current.

[0086] In this embodiment, a dust sensor 31 is provided to detect dust on the filter 1, and the corresponding detection result is sent to the second driving member 3, so that the second driving member 3 determines whether to transmit alternating current to the conductive coil 5 according to the detection result. For example, when the detection result shows that there is dust on the filter 1, the second driving member 3 can transmit alternating current to the conductive coil 5, so that the conductive coil 5 generates a magnetic field and moves, and drives the filter 1 to move, thereby achieving the effect of automatic cleaning of the filter 1. When the detection result shows that there is no dust on the filter 1, the second driving member 3 does not need to transmit alternating current to the conductive coil 5, so as to avoid waste of resources.

[0087] In one embodiment, if Figure 7 As shown, the filter cleaning method also includes: steps S501~S503.

[0088] Step S501, detecting the capacitance value of the electrode sheet 61 by the second driving member 3;

[0089] Step S502: when it is detected that the capacitance value reaches a preset capacitance threshold, a dust removal alarm signal is issued;

[0090] Step S503 : when it is detected that the capacitance value does not reach the preset capacitance threshold, the magnetic part 4 is driven to rotate by the first driving member 2 .

[0091] In this embodiment, by placing a dust box 6 under the filter 1, the dust shaken off the filter 1 can fall into the dust box 6, and avoid falling on other positions of the air purifier to affect the normal operation of the air purifier. At the same time, an electrode sheet 61 is arranged on the inner wall of the dust box 6, so that the dust content in the dust box 6 can be judged according to the capacitance value of the electrode sheet 61, and when the dust content reaches a certain level, a dust removal alarm signal is sent through the second driving member 3 to remind the user to clean the dust in the dust box 6 in time.

[0092] In actual application scenarios, when there is no dust in the dust box 6, the initial capacitance value of the electrode sheet 61 is C0. After the air purifier has been working for a period of time, if the capacitance value of the electrode sheet 61 reaches C1 (which can be understood as reaching a preset capacitance threshold), it is determined that a certain amount of dust has accumulated in the dust box 6 (for example, it is full of dust). Therefore, a dust removal alarm signal can be issued through the second driving member 3.

[0093] An embodiment of the present invention further provides an air purifier, comprising the filter cleaning device as described above.

[0094] like Figure 8As shown, an embodiment of the present invention also provides a schematic block diagram of an air purifier 800, which includes a processor 802, a memory and a network interface 805 connected via a system bus 801, wherein the memory may include a non-volatile storage medium 803 and an internal memory 804.

[0095] The non-volatile storage medium 803 can store an operating system 8031 ​​and a computer program 8032. When the computer program 8032 is executed, the processor 802 can execute a method for communicating between internal and external units of an air purifier.

[0096] The processor 802 is used to provide computing and control capabilities to support the operation of the schematic block diagram of the entire air purifier 800.

[0097] The internal memory 804 provides an environment for the operation of the computer program 8032 in the non-volatile storage medium 803. When the computer program 8032 is executed by the processor 802, the processor 802 can execute a method for communication between the internal and external units of the air purifier.

[0098] The network interface 805 is used to communicate with other devices over the network. Those skilled in the art will appreciate that Figure 8 The structure shown in the figure is only a block diagram of a partial structure related to the scheme of the present invention, and does not constitute a limitation on the schematic block diagram of the air purifier 800 to which the scheme of the present invention is applied. The schematic block diagram of a specific air purifier 800 may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0099] The processor 802 is used to run a computer program 8032 stored in the memory to implement any embodiment of the above-mentioned method for communicating between the internal and external units of the air purifier.

[0100] It should be understood that in the embodiment of the present invention, the processor 802 may be a central processing unit (CPU), and the processor 802 may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. Among them, the general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0101] The embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the steps provided in the above embodiment can be implemented. The storage medium may include: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes.

[0102] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referred to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of this application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of this application.

[0103] It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

Claims

1. A filter cleaning device, applied to an air purifier, the air purifier comprising a filter, It is characterized in that The filter cleaning device comprises: Driving mechanism; The transmission mechanism comprises a magnetic part and a conductive coil, wherein the magnetic part has a first magnetic field, and the conductive coil is located at a side of the magnetic part and connected to the filter screen; The driving mechanism comprises a first driving member, the magnetic part is arranged on the first driving member and can rotate under the driving of the first driving member; the N pole and the S pole of the magnetic part are arranged on both sides of the rotating shaft; The filter screen is movably arranged, and the driving mechanism is connected to the transmission mechanism. When the driving motor is working, the magnetic part is driven to rotate through the rotating shaft, so that the conductive coil can cut the magnetic field of the magnetic part when the magnetic part rotates, thereby generating an induced current, so that the conductive coil generates a second magnetic field that repels the first magnetic field according to the induced current, and the conductive coil moves due to the repulsive force of the magnetic field, and the filter screen is driven to move when the conductive coil moves; The first driving member includes a driving motor and a rotating shaft, one end of the rotating shaft is connected to the driving motor, and the other end of the rotating shaft is connected to the magnetic part.

2. The filter cleaning device according to claim 1, It is characterized in that The driving mechanism includes a second driving member, which is connected to the conductive coil and can be selectively communicated with the conductive coil.

3. The filter cleaning device according to claim 1, It is characterized in that The magnetic part is a permanent magnet.

4. The filter cleaning device according to claim 1, It is characterized in that A plurality of the conductive coils are provided, and the plurality of the conductive coils are circumferentially distributed on the side of the magnetic part.

5. The filter cleaning device according to claim 1, It is characterized in that The conductive coil is arranged in an 8-shape.

6. The filter cleaning device according to claim 1, It is characterized in that The filter cleaning device also includes a dust sensor for detecting whether there is dust on the filter.

7. The filter cleaning device according to claim 1, It is characterized in that The filter cleaning device also includes a dust box arranged below the filter, and electrode sheets for detecting the amount of dust are arranged on both sides of the interior of the dust box.

8. A filter cleaning method, applied to the filter cleaning device according to any one of claims 1 to 7, It is characterized in that include: The transmission mechanism is driven by the driving mechanism, so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter; The driving mechanism drives the transmission mechanism so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field to shake off dust on the filter, including: The magnetic part is driven to rotate by the first driving member, so that the conductive coil generates a second magnetic field that repels the first magnetic field of the magnetic part under the rotation of the magnetic part, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter.

9. A filter cleaning method, applied to the filter cleaning device as claimed in claim 2, It is characterized in that include: The transmission mechanism is driven by the driving mechanism, so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter; The driving mechanism drives the transmission mechanism so that the conductive coil generates a second magnetic field that repels the first magnetic field, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field to shake off dust on the filter, including: The second driving member is connected to the conductive coil and transmits an alternating current to the conductive coil, so that the conductive coil generates a second magnetic field that repels the first magnetic field of the magnetic part, and then the conductive coil drives the filter to move based on the magnetic field repulsion force between the first magnetic field and the second magnetic field, so as to shake off the dust on the filter.

10. An air purifier, It is characterized in that It comprises a filter screen and a filter screen cleaning device as described in any one of claims 1 to 7.

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