Fan

Abstract

To provide a fan.SOLUTION: This fan comprises: a cover body provided with an inlet and an outlet; a fan blade provided in the cover body and used for supplying air to the outlet; and a dust collection assembly in the cover body. The dust collection assembly is positioned between the inlet and the outlet. The dust collection assembly includes a plurality of electrode sheets. The electrode sheets are arranged so as to be stacked and wound. An electric field is generated between the adjacent electrode sheets. A charged medium can be attracted via the electric field. The fan and the dust collection assembly can attract the charged medium in a passing air flow, thereby preventing accumulation of dusts in the fan.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and more specifically, to a fan.

Background Art

[0002] In related technologies, when a fan operates, it can promote the flow of ambient air. However, after the fan operates for a long time, more dust accumulates on the fan blades, which affects the comfort of the fan for supplying air.

Summary of the Invention

Problems to be Solved by the Invention

[0003] An object of the present invention is to solve at least one of the technical problems existing in the prior art or related technologies.

Means for Solving the Problems

[0004] For this purpose, the present invention provides a fan.

[0005] Based on this, the present invention includes a cover body provided with an air inlet and an air outlet, a fan blade provided in the cover body and used for supplying air to the air outlet, and a dust collection assembly provided in the cover body. The dust collection assembly is located between the air inlet and the air outlet. The dust collection assembly includes a plurality of electrode sheets, and the plurality of electrode sheets are arranged to be laminated and wound, capable of generating an electric field between adjacent electrode sheets and adsorbing a charged medium through the electric field, and provides a fan.

[0006] The fan provided by the present invention includes a cover body, a fan blade, and a dust collection assembly. The fan blade and the dust collection assembly are both disposed within the cover body, and the cover body serves to protect the fan blade and the dust collection assembly. The cover body includes an air inlet and an air outlet, and the dust collection assembly is disposed between the air inlet and the air outlet. When the fan blade operates, it supplies air to the air outlet, causing an air flow to flow between the air inlet and the air outlet. As a result, the air flow can pass through the dust collection assembly. Here, the dust collection assembly includes a plurality of electrode sheets, which are arranged to be laminated and wound, generating an electric field between adjacent electrode sheets. Thereby, the dust collection assembly can adsorb charged media in the passing air flow. Thus, the fan can purify the air by performing dust removal, disinfection, and sterilization on the air while supplying the air, thereby preventing dust from accumulating inside the fan and improving the comfort of the fan for supplying air.

[0007] The fan provided by the present invention can further have the following additional technical features.

[0008] In some technical solutions, optionally, the dust collection assembly is located between the fan blade and the air inlet.

[0009] In this technical solution, the dust collection assembly is disposed between the fan blade and the air inlet. The air flow outside the fan flows into the cover body through the air inlet, then passes through the dust collection assembly. Through the adsorption process of the dust collection assembly, substances such as dust in the air are removed. Then, the air flow passes through the fan blade and is sent out from the air outlet, preventing dust from passing through the fan blade. Thereby, the problem of dust accumulation on the fan blade can be effectively improved.

[0010] In some technical solutions, optionally, the fan is provided on the cover body and is used to carry charges for the medium. After a plurality of electrode sheets are energized, an electric field is formed, and an ion generator capable of adsorbing the charged medium through the electric field is further included.

[0011] In this technical solution, the fan further includes an ion generator. The ion generator is provided on the cover body. Ions can be generated by the ion generator, so that the medium flowing into the cover body can carry charges. The magnetic field generated after the electrode sheets are energized can adsorb the charged medium, thereby purifying the air flow passing through the fan and improving the comfort of the fan that supplies air. Further, there is a certain gap between the plurality of electrode sheets of the dust collection assembly to form an electric field. On the premise that the air resistance coefficient of the fan meets the conditions, the performance requirements of the air supply and dust collection purification of the fan can be ensured simultaneously.

[0012] In some technical solutions, optionally, the ion generator is provided on one side of the dust collection assembly, or between the air inlet and the dust collection assembly, or between the exhaust port and the dust collection assembly. Here, the ion generator is arranged close to the dust collection assembly.

[0013] In this technical solution, the ion generator is arranged on one side of the dust collection assembly, or between the air inlet and the dust collection assembly, or between the exhaust port and the dust collection assembly. Thereby, the ion generator is arranged in the air supply duct of the fan. The ion generator can effectively carry charges for the medium and at the same time shorten the distance for the medium carrying negative ions near the ion generator to diffuse and be adsorbed by the dust collection assembly, so as to improve the dust collection efficiency. Here, the ion generator is arranged close to the dust collection assembly, further shortening the moving distance for the charged medium to be adsorbed by the dust collection assembly, improving the dust collection efficiency, and preventing the charges generated by the ion generator from being blocked by other components and preventing the influence on the charging effect of particulate matter.

[0014] In some technical solutions, optionally, the ion generator includes any one of a carbon brush plus ion generator, a carbon brush minus ion generator, a needle tip plus ion generator, a needle tip minus ion generator, a needle plate charging device, and a tungsten wire charging device.

[0015] In the technical solution, the ion generator can be any one of a carbon brush plus ion generator, a carbon brush minus ion generator, a needle tip plus ion generator, a needle tip minus ion generator, a needle plate charging device, a tungsten wire charging device, etc.

[0016] In some technical solutions, optionally, the fan further includes a power supply device provided in the dust collection assembly or the cover body, and the power supply device is used to supply power to the electrode sheet.

[0017] In the technical solution, the fan further includes a power supply device, the power supply device is arranged on the dust collection assembly or the cover body, the power supply device is connected to the electrode sheet, and is used to supply high-voltage power to the electrode sheet, thereby generating an electric field on the electrode sheet to achieve the adsorption of the charged medium.

[0018] In some technical solutions, optionally, the power supply device includes a positive connection pole and a negative connection pole, the plurality of electrode sheets include a positive electrode sheet and a negative electrode sheet, the positive connection pole is electrically connected to the positive electrode sheet, and the negative connection pole is electrically connected to the negative electrode sheet.

[0019] In the technical solution, the power supply device has a positive connection pole and a negative connection pole, the plurality of electrode sheets include a positive electrode sheet and a negative electrode sheet, the positive connection pole of the power supply device is connected to the positive electrode sheet, and the negative connection pole is electrically connected to the negative electrode sheet. Therefore, the power supply device can simultaneously supply high-voltage power to the positive electrode sheet and the negative electrode sheet, thereby generating an electric field in the gap between the positive electrode sheet and the negative electrode sheet to achieve the adsorption of the charged medium.

[0020] In some technical solutions, optionally, a positive electrode sheet and a negative electrode sheet are alternately laminated in sequence. When the electrode sheet is energized, an electric field can be formed between the positive electrode sheet and the negative electrode sheet.

[0021] In this technical solution, a positive electrode sheet and a negative electrode sheet are alternately laminated in sequence, and an electric field is generated in the gap between the adjacent laminated positive electrode sheet and negative electrode sheet, thereby generating an adsorption force on the charged medium.

[0022] In some technical solutions, optionally, the electrode sheet is a flexible electrode sheet.

[0023] In this technical solution, the electrode sheet is a flexible electrode sheet, and after a plurality of electrode sheets are laminated, they can be wound into various forms, thereby reducing the space occupied by the electrode sheet, improving the applicability of the dust collection assembly, and meeting the requirements of various fans for various electric field forms.

[0024] In some technical solutions, optionally, the dust collection assembly further includes a frame detachably provided in the cover body, and a plurality of electrode sheets are laminated in sequence and wound around the frame.

[0025] In this technical solution, the dust collection assembly further includes a frame, the frame is detachably arranged in the cover body, and after a plurality of electrode sheets are laminated in sequence, they are wound on the frame, thereby making the shape of the wound electrode sheet stronger, preventing the spread of the wound electrode sheet, thereby improving the reliability of the electric field generated by the electrode sheet, and ensuring the dust removal effect of the fan.

[0026] In some technical solutions, optionally, a plurality of electrode sheets are laminated in sequence and wound into a spiral dust collection structure around the center of the frame, or a plurality of electrode sheets are laminated in sequence and arranged to be reciprocally laminated along the circumferential direction of the frame.

[0027] In this technical solution, after a plurality of electrode sheets are arranged to be stacked in sequence, they are then wound into a spiral dust collection structure around the center of the frame, reducing the occupied space and improving the adsorption effect on the charged medium. Or after a plurality of electrode sheets are stacked in sequence, they are stacked back and forth along the circumferential direction of the frame. For example, after a plurality of electrode sheets are stacked, they are wound one round clockwise along the circumferential direction of the frame, then bent counterclockwise, and stacked on the surface of the previous round along the counterclockwise direction, and thus wound back and forth on the dust collection assembly. Of course, after a plurality of electrode sheets are stacked, they are wound one round counterclockwise along the circumferential direction of the frame, then bent clockwise, and stacked on the surface of the previous round along the clockwise direction, and thus wound back and forth on the dust collection assembly.

[0028] In some technical solutions, optionally, when a plurality of electrode sheets are stacked in sequence and wound into a spiral dust collection structure around the center of the frame, the electric field is distributed radially along the radial direction with the winding center of the electrode sheet as the center of the circle, and the directions of the electric fields generated between adjacent stacked electrode sheets are different.

[0029] In this technical solution, after a plurality of electrode sheets are stacked and wound, a gap is formed between adjacent stacked electrode sheets. Due to the spiral dust collection structure, the electric field in the gap is divergently distributed with the winding center of the electrode sheet as the center of the circle, so that the distance between the gap and the winding center gradually increases as the number of winding turns increases, thereby gradually increasing the dust collection volume and increasing the dust collection amount. Specifically, in the spiral winding mode, the directions of the electric fields generated in adjacent gaps are different.

[0030] Optionally, when a plurality of electrode sheets are stacked in sequence and wound into a spiral dust collection structure around the center of the frame, the electric field is divergently distributed radially along the radial direction with the winding center of the electrode sheet as the center of the circle.

[0031] In some technical solutions, optionally, the frame includes a first support ring, and the electrode sheet includes a first frame wound around the outer wall of the first support ring and a second frame removably connected to the first frame and including a second support ring. When the first frame and the second frame are engaged, the second support ring is installed through the first support ring.

[0032] In the technical solution, the frame further includes a first frame and a second frame. The first frame and the second frame are removably connected. A first support ring is disposed on the first frame, and a second support ring is disposed on the second frame. When the dust collection assembly is assembled, first, the electrode sheet is wound around the first support ring, and then the second frame is re-engaged so that the second support ring of the second frame is inserted into the first support ring, thereby facilitating the winding and packaging of the electrode sheet by limiting the position of the electrode sheet using the first frame and the second frame. At the same time, it is possible to prevent the spread of the wound electrode sheet, hide the wiring connecting the electrode sheet and the input end of the high-voltage power, and ensure safety during operation.

[0033] In some technical solutions, optionally, the frame includes an insulating frame, and / or a grid is provided on one side of the frame. The grid is located on the side surface of the electrode sheet.

[0034] In the technical solution, the frame includes an insulating frame to improve safety performance and prevent the occurrence of power leakage in the dust collection assembly. A grid is provided on one side of the frame, and the electrode sheet is located on the side surface of the grid. The grid can achieve fixation of the electrode sheet, prevent the electrode sheet from falling or spreading from both sides of the frame, ensure the stability of the dust collection assembly, and thereby ensure the stability of the electric field.

[0035] In some technical solutions, optionally, any electrode sheet includes a flexible insulating layer and a conductive layer. On the flexible insulating layer, a plurality of position limiting parts are provided at intervals. The conductive layer is provided on one side of the flexible insulating layer. The position limiting parts are located between adjacent stacked conductive layers, whereby there is a gap between adjacent conductive layers. When energized, an electric field is generated in the gap.

[0036] In this technical solution, the electrode sheet includes a flexible insulating layer and a conductive layer. The conductive layer is disposed on one side of the flexible insulating layer. On the flexible insulating layer, a plurality of position limiting parts are disposed. The plurality of position limiting parts are spaced apart. When a plurality of electrode sheets are stacked, the position limiting parts are located between adjacent conductive layers, providing a sufficient gap between adjacent conductive layers, ensuring the fixation of the gap between adjacent conductive layers, preventing contact between adjacent conductive layers, thereby ensuring the stability of the electric field generated in the electrode sheet, realizing the adsorption of media such as dust, and also eliminating the need to additionally install a clamp strip or apply a hot melt adhesive to fix the electrode sheet, greatly reducing the technical difficulty and processing cost of the dust collection assembly without affecting the appearance of the dust collection assembly. At the same time, due to the arrangement of the position limiting parts, the distance between adjacent conductive layers is also increased, thereby increasing the dust collection area of the dust collection assembly and improving the dust removal and sterilization effects.

[0037] In some technical solutions, optionally, the conductive layer and the flexible insulating layer are removably laminated, or the conductive layer and the flexible insulating layer are connected.

[0038] In this technical solution, when the conductive layer and the flexible insulating layer are removably laminated, the cleaning and maintenance of the dust collection assembly can be facilitated, the convenience of dust filtration and cleaning can be improved, and the conductive layer and the flexible insulating layer are removably arranged, and the form of the dust collection assembly can be changed. That is, the conductive layer and the flexible insulating layer can also be disassembled, and according to their flexible characteristics, they can be wound into different shapes to improve the applicability of the dust collection assembly in different structures and meet the requirements of the dust collection assembly for various electric field forms. When the conductive layer and the flexible insulating layer are connected, the conductive layer and the flexible insulating layer are closely connected, and the conductive layer and the flexible insulating layer can move together. When the electrode sheet is involved or bent, the electrode sheet has adaptability characteristics.

[0039] In some technical solutions, optionally, when the conductive layer and the flexible insulating layer are connected, the conductive layer is coated or adhered to the flexible insulating layer.

[0040] In this technical solution, since the conductive layer is coated or adhered on the flexible insulating layer, the connection strength between the conductive layer and the flexible insulating layer is improved, and the convenience during winding is ensured.

[0041] In some technical solutions, optionally, the electrode sheet further includes an insulating base, the conductive layer is provided on the insulating base, and when the conductive layer and the flexible insulating layer are connected, the insulating base is provided on the flexible insulating layer.

[0042] In this technical solution, the electrode sheet further includes an insulating base, the conductive layer is arranged on the insulating base, and the insulating base is reconnected to the flexible insulating layer, so that the conductive layer is connected to the flexible insulating layer through the insulating base, facilitating the manufacture of the electrode sheet.

[0043] In some technical solutions, optionally, the position limiting part includes protrusions, and the protrusions are provided on the same side or different sides of the flexible insulating layer.

[0044] In this technical solution, the position-limiting part includes protrusions, and the protrusions are arranged on one or both sides of the flexible insulating layer. When the protrusions are arranged such that a plurality of electrode sheets are stacked, the distance between adjacent electrode sheets can be increased. On the one hand, the stability of the electric field generated in the electrode sheets is ensured, and on the other hand, the dust collection space of the dust collection assembly is increased, improving the dust collection effect. Specifically, the protrusions can be arranged on one or both sides of the flexible insulating layer.

[0045] In some technical solutions, optionally, the protrusions are provided on one side of the flexible insulating layer, and the conductive layer is provided on the other side of the flexible insulating layer.

[0046] In this technical solution, the protrusions and the conductive layer are respectively located on both sides of the flexible insulating layer, thereby facilitating the connection between the conductive layer and the flexible insulating layer and reducing the processing difficulty.

[0047] In some technical solutions, optionally, the height of the protrusions is 0.1 mm or more and 10 mm or less.

[0048] In this technical solution, the height of the protrusions is set between 0.1 mm and 10 mm to ensure the spacing effect between adjacent electrode sheets.

[0049] In some technical solutions, optionally, the number of fan blades is one or more. When the number of fan blades is more than one, the plurality of fan blades are arranged spaced apart along the rotation axis direction.

[0050] In this technical solution, the number of fan blades is one or more. When the number of fan blades is more than one, the plurality of fan blades are arranged spaced apart along the rotation axis direction, and various air supply modes can be provided.

[0051] In some technical solutions, optionally, the rotation directions of at least two fan blades are the same or different.

[0052] In this technical solution, the rotation directions of at least two fan blades are the same or different. When the rotation directions of at least two fan blades are the same, the distance for supplying air can be increased. When the rotation directions of at least two fan blades are opposite, a windless air supply can be formed.

[0053] Optionally, the dust collection assembly, the ion generator, and the fan blades are distributed coaxially along the axial direction of the rotation axis of the fan blades, improving the purification efficiency and dust collection efficiency of the fan.

[0054] Additional aspects and advantages of the present invention will become apparent from the following description or can be learned through the practice of the present invention.

[0055] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the description of the embodiments with reference to the following drawings. Here,

Brief Description of the Drawings

[0056]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15

Figure 16

Mode for Carrying Out the Invention

[0057] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, as long as there is no contradiction, the embodiments and features in the embodiments of the present application can be combined with each other.

[0058] In order to facilitate a complete understanding of the present invention, many specific details are described in the following description. However, the present invention can also be implemented in other ways described in this specification. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

[0059] Hereinafter, with reference to FIGS. 1 to 16, a fan proposed by some embodiments of the present invention will be described.

[0060] As shown in FIGS. 1 and 2, based on an embodiment of the present invention, the present invention provides a fan including a cover body 1 and a dust collection assembly 3.

[0061] Specifically, the cover body 1 is provided with an air inlet 10 and an exhaust port 12. The fan blade 2 is provided inside the cover body 1 and is used to supply air to the exhaust port 12. The dust collection assembly 3 is provided inside the cover body 1. The dust collection assembly 3 is located between the air inlet 10 and the exhaust port 12. The dust collection assembly 3 includes a plurality of electrode sheets 30. The plurality of electrode sheets 30 are arranged to be laminated and wound, and an electric field can be generated between adjacent electrode sheets 30, and a medium with an electric charge can be adsorbed through the electric field.

[0062] The fan provided by the present invention includes a cover body 1, a fan blade 2, and a dust collection assembly 3. The fan blade 2 and the dust collection assembly 3 are all arranged inside the cover body 1, and the cover body 1 serves to protect the fan blade 2 and the dust collection assembly 3. The cover body 1 includes an air inlet 10 and an exhaust port 12. The dust collection assembly 3 is arranged between the air inlet 10 and the exhaust port 12. When the fan blade 2 operates, by also supplying air to the exhaust port 12, the air flow can flow between the air inlet 10 and the exhaust port 12, and thereby the air flow can pass through the dust collection assembly 3. Here, the dust collection assembly 3 includes a plurality of electrode sheets 30. The plurality of electrode sheets 30 are arranged to be laminated and wound, so as to generate an electric field between adjacent electrode sheets 30. Thereby, the dust collection assembly 3 can adsorb the charged medium in the passing air flow. Thereby, the fan can realize the purification of air by performing dust removal, disinfection, and sterilization on the air while supplying air, thereby preventing dust from accumulating inside the fan and improving the comfort of the fan for supplying air.

[0063] It should be understood that the dust collection assembly 3 includes a plurality of electrode sheets 30. The plurality of electrode sheets 30 can generate an electric field by being connected to high-voltage power. The electric field can generate dust with an electric charge, and at the same time, it also has a sterilization and disinfection effect.

[0064] In some embodiments, optionally, the dust collection assembly 3 is located between the fan blade 2 and the air inlet 10.

[0065] In this embodiment, the dust collection assembly 3 is disposed between the fan blade 2 and the air inlet 10. The air flow outside the fan flows into the cover body 1 through the air inlet 10, and then passes through the dust collection assembly 3. By the adsorption treatment of the dust collection assembly 3, substances such as dust in the air are removed. Then, the air flow is sent out from the exhaust port 12 after passing through the fan blade 2, preventing the dust from passing through the fan blade 2, thereby effectively improving the problem of dust accumulation on the fan blade 2.

[0066] As shown in FIGS. 1 to 8, in some embodiments, optionally, the fan is provided on the cover body 1, and further includes an ion generator 4 that can cause the medium to carry charges, form an electric field after a plurality of electrode sheets 30 are energized, and adsorb the charged medium through the electric field.

[0067] In this embodiment, the fan further includes an ion generator 4. The ion generator 4 is disposed on the cover body 1. The ion generator 4 can generate ions, thereby causing the medium entering the cover body 1 to carry charges. The magnetic field generated after the electrode sheet 30 is energized can adsorb the charged medium, thereby purifying the air flow passing through the fan and improving the comfort of the fan for supplying air. Further, there is a certain gap between the plurality of electrode sheets 30 of the dust collection assembly 3 to form an electric field. On the premise that the air resistance coefficient of the fan meets the conditions, the performance requirements of the air blowing and dust collection purification of the fan can be ensured simultaneously.

[0068] It should be understood that the medium includes substances such as dust, bacteria, viruses or other aerosols.

[0069] In some embodiments, optionally, the ion generator 4 is provided on one side of the dust collection assembly, or disposed between the air inlet 10 and the dust collection assembly 3, or provided between the exhaust port 12 and the dust collection assembly 3, where the ion generator 4 is disposed close to the dust collection assembly 3.

[0070] In this embodiment, the ion generator 4 is disposed on one side of the dust collection assembly 3, or disposed between the air inlet 10 and the dust collection assembly 3, or disposed between the exhaust port 12 and the dust collection assembly 3, whereby the ion generator 4 is located in the air duct of the fan. The ion generator 4 can effectively carry charges to the medium, and at the same time, the distance for the medium with negative ions near the ion generator 4 to diffuse and be adsorbed by the dust collection assembly 3 is shortened, so that the dust collection efficiency can be improved. Here, the ion generator 4 is disposed close to the dust collection assembly 3, further shortening the moving distance until the charged medium is adsorbed by the dust collection assembly 3, improving the dust collection efficiency, and preventing the charges generated by the ion generator 4 from being blocked by other components and affecting the charging effect of the particulate matter.

[0071] In some embodiments, optionally, the ion generator 4 includes any one of a carbon brush positive ion generator, a carbon brush negative ion generator, a needle tip positive ion generator, a needle tip negative ion generator, a needle plate charging device, and a tungsten wire charging device.

[0072] In this embodiment, the ion generator 4 can be any one of a carbon brush positive ion generator, a carbon brush negative ion generator, a needle tip positive ion generator, a needle tip negative ion generator, a needle plate charging device, a tungsten wire charging device, etc.

[0073] As shown in FIGS. 3 and 5, in some embodiments, optionally, the fan is provided on the dust collection assembly 3 or the cover body 1, and further includes a power supply device 5 used for supplying power to the electrode sheet 30.

[0074] In this embodiment, the fan further includes a power supply device 5, which is disposed on the dust collection assembly 3 or the cover body 1. The power supply device 5 and the electrode sheet 30 are connected and used to provide high-voltage power to the electrode sheet 30, thereby generating an electric field in the electrode sheet 30 to achieve the adsorption of charged media.

[0075] As shown in FIG. 16, in some embodiments, optionally, the power supply device 5 includes a positive connection electrode 50 and a negative connection electrode 52. The plurality of electrode sheets 30 include a positive electrode sheet 304 and a negative electrode sheet 305. The positive connection electrode 50 is electrically connected to the positive electrode sheet 304, and the negative connection electrode 52 is electrically connected to the negative electrode sheet 305.

[0076] In this embodiment, the power supply device 5 has a positive connection electrode 50 and a negative connection electrode 52. The plurality of electrode sheets 30 include a positive electrode sheet 304 and a negative electrode sheet 305. The positive connection electrode 50 of the power supply device 5 is connected to the positive electrode sheet 304, and the negative connection electrode 52 is electrically connected to the negative electrode sheet 305. The power supply device 5 simultaneously provides high-voltage power to the positive electrode sheet 304 and the negative electrode sheet 305, thereby generating an electric field in the gap between the positive electrode sheet 304 and the negative electrode sheet 305 to achieve the adsorption of charged media.

[0077] As shown in FIG. 6, in some embodiments, optionally, the positive electrode sheet 304 and the negative electrode sheet 305 are alternately stacked in sequence. When the electrode sheet 30 is energized, an electric field can be formed between the positive electrode sheet 304 and the negative electrode sheet 305.

[0078] In this embodiment, the positive electrode sheet 304 and the negative electrode sheet 305 are alternately stacked in sequence, and an electric field is generated in the gap between the adjacent stacked positive electrode sheet 304 and negative electrode sheet 305, thereby generating an adsorption force on the charged media.

[0079] In a specific application, after the positive electrode sheet 304 and the negative electrode sheet 305 are arranged to be laminated, they are wound around the frame 32.

[0080] As shown in FIGS. 5 and 6, in some embodiments, optionally, the electrode sheet 30 is a flexible electrode sheet, and a plurality of electrode sheets 30 are arranged to be laminated in sequence and wound.

[0081] In this embodiment, the electrode sheet 30 is a flexible electrode sheet. After a plurality of electrode sheets 30 are laminated, they can be wound into various forms, thereby reducing the space occupied by the electrode sheet 30, improving the applicability of the dust collection assembly 3, and meeting the requirements of various fans for various electric field forms.

[0082] It should be understood that the electrode sheet 30 is a flexible electrode sheet, that is, the shape of the electrode sheet 30 is variable, and the electrode sheet 30 can be bent according to specific actual use requirements to adjust the shape of the electrode sheet 30. For example, the electrode sheet 30 is bent into an annular structure, for example, the electrode sheet 30 is bent into an "S" - shaped structure, for example, the electrode sheet 30 is bent into a spiral structure. That is, by bending the electrode sheet 30, the requirements of the electric field region generated when the dust collection assembly 3 operates can be met. Thus, compared with arranging multiple groups of electrode members parallel to each other in the prior art, the number of electrode sheets 30 can be reduced, the assembly process of the dust collection assembly 3 can be simplified, the production cost of the dust collection assembly 3 can be reduced, a larger electric field region can be generated with fewer electrode sheets 30, and it has the advantages of diverse shapes and high adaptability.

[0083] As shown in FIGS. 3, 4, 5, 6, and 7, in some embodiments, optionally, the dust collection assembly 3 further includes a frame 32, and is detachably provided in the cover body 1. A plurality of electrode sheets 30 are laminated in sequence and wound around the frame 32.

[0084] In this embodiment, the dust collection assembly 3 further includes a frame 32. The frame 32 is detachably disposed within the cover body 1. After the plurality of electrode sheets 30 are stacked in sequence and then wound around the frame 32, the shape after the electrode sheets 30 are wound becomes stronger, preventing the spread of the wound electrode sheets 30, thereby improving the reliability of the electric field generated in the electrode sheets 30 and ensuring the dust removal effect of the fan.

[0085] Optionally, the power supply device 5 is disposed at the center of the frame 32.

[0086] In some embodiments, optionally, the plurality of electrode sheets 30 are stacked in sequence and wound into a spiral dust collection structure around the center of the frame 32, or the plurality of electrode sheets 30 are stacked in sequence and arranged to be reciprocally laminated along the circumferential direction of the frame 32.

[0087] In this embodiment, after the plurality of electrode sheets 30 are arranged to be stacked in sequence, a spiral dust collection structure is wound around the center of the frame 32, thereby reducing the occupied space and improving the adsorption effect on the charged medium. Or after the plurality of electrode sheets 30 are stacked in sequence, they are reciprocally laminated along the circumferential direction of the frame 32. For example, after the plurality of electrode sheets 30 are stacked, they are wound one round clockwise along the circumferential direction of the frame 32, then bent counterclockwise, and laminated on the surface of the previous round along the counterclockwise direction, and thus reciprocally wound around the dust collection assembly 3. Of course, after the plurality of electrode sheets 30 are stacked, they can be wound one round counterclockwise along the circumferential direction of the frame 32, then bent clockwise, and laminated on the surface of the previous round along the clockwise direction, and thus reciprocally wound around the dust collection assembly 3.

[0088] As shown in FIGS. 13 and 14, in some embodiments, optionally, when a plurality of electrode sheets 30 are stacked in sequence and wound into a spiral dust collection structure around the center of the frame 32, the electric field is divergently distributed radially with the winding center of the electrode sheet 30 as the center of the circle, and the directions of the electric fields generated between adjacent stacked electrode sheets 30 are different.

[0089] In this embodiment, after a plurality of electrode sheets 30 are stacked and wound, a gap is formed between adjacent stacked electrode sheets 30. Due to the spiral dust collection structure, the electric field in the gap is divergently distributed with the winding center of the electrode sheet 30 as the center of the circle. As a result, the distance between the gap and the winding center gradually increases as the number of winding turns increases, so the dust collection volume gradually increases and the dust collection amount is increased. Specifically, in the spiral winding mode, the directions of the electric fields generated in adjacent gaps are different.

[0090] Here, as shown in FIG. 13, the dotted arrows indicate the directions of the electric fields. Specifically, the electric fields are divergently arranged along the normal direction from the winding center of the electrode sheet 30. As shown in FIG. 14, in adjacent stacked electrode sheets 30, an electric field is formed in the direction from the positive electrode sheet 304 to the negative electrode sheet 305, and all adjacent electric field directions are different.

[0091] As shown in FIGS. 3, 4, and 7, in some embodiments, optionally, the frame 32 includes a first support ring 322, a first frame 320 around which the electrode sheet 30 is wound on the outer wall of the first support ring 322, and a second frame 324 that is removably connected to the first frame 320 and includes a second support ring 326. When the first frame 320 and the second frame 324 are engaged, the second support ring 326 is installed penetratingly within the first support ring 322.

[0092] In this embodiment, the frame 32 further includes a first frame 320 and a second frame 324. The first frame 320 and the second frame 324 are removably connected. On the first frame 320, a first support ring 322 is disposed. On the second frame 324, a second support ring 326 is disposed. When assembling the dust collection assembly 3, first, the electrode sheet 30 is wound around the first support ring 322, and then re-engaged with the second frame 324. The second support ring 326 of the second frame 324 is inserted into the first support ring 322, thereby realizing the position limitation for the electrode sheet 30 through the first frame 320 and the second frame 324, facilitating the winding and packaging of the electrode sheet 30, and at the same time preventing the spread of the wound electrode sheet 30. The wiring connecting the electrode sheet 30 and the input end of the high-voltage power can be hidden, ensuring the safety during operation.

[0093] Optionally, the power supply device 5 is disposed within the first support ring 322.

[0094] In some embodiments, optionally, the frame 32 includes an insulating frame and / or a grid 328 is provided on one side of the frame 32, and the grid 328 is located on the side surface of the electrode sheet 30.

[0095] In this embodiment, the frame 32 includes an insulating frame, improving the safety performance and preventing the occurrence of power leakage in the dust collection assembly 3. A grid 328 is provided on one side of the frame 32. The electrode sheet 30 is located on the side surface of the grid 328. The grid 328 can fix the electrode sheet 30, preventing the electrode sheet 30 from falling or spreading from both sides of the frame 32, ensuring the stability of the dust collection assembly 3, and thereby ensuring the stability of the electric field.

[0096] Specifically, after the electrode sheet 30 and the frame 32 are assembled, grids 328 are disposed on both sides of the electrode sheet 30.

[0097] In some embodiments, optionally, here, any electrode sheet 30 includes a flexible insulating layer 300 and a conductive layer 302. The flexible insulating layer 300 is provided with a plurality of spaced position-limiting portions 301. The conductive layer 302 is provided on one side of the flexible insulating layer 300. The position-limiting portion 301 is located between adjacent stacked conductive layers 302. There is a gap between adjacent conductive layers 302. When energized, an electric field is generated in the gap.

[0098] In this embodiment, as shown in FIGS. 9, 10, 11 and 12, the electrode sheet 30 includes a flexible insulating layer 300 and a conductive layer 302. The conductive layer 302 is disposed on one side of the flexible insulating layer 300. A plurality of position-limiting portions 301 are disposed on the flexible insulating layer 300. The plurality of position-limiting portions 301 are spaced apart. When a plurality of electrode sheets 30 are stacked, the position-limiting portion 301 is located between adjacent conductive layers 302. A sufficient gap is provided between adjacent conductive layers 302 to ensure that the gap between adjacent conductive layers 302 is fixed, prevent contact between adjacent conductive layers 302, thereby ensuring the stability of the electric field generated in the electrode sheet 30, realizing the adsorption of media such as dust, and also eliminating the need to additionally install a clamp strip or apply a hot melt adhesive to fix the electrode sheet 30, greatly reducing the technical difficulty and processing cost of the dust collection assembly 3 and not affecting the appearance of the dust collection assembly 3. At the same time, due to the arrangement of the position-limiting portion 301, the distance between adjacent conductive layers 302 is also increased, thereby increasing the dust collection area of the dust collection assembly 3 and improving the dust removal and sterilization effects.

[0099] In some embodiments, optionally, the conductive layer 302 is removably laminated on the flexible insulating layer 300 or the conductive layer 302 is connected to the flexible insulating layer 300.

[0100] In this embodiment, when the conductive layer 302 is removably laminated on the flexible insulating layer 300, it facilitates the cleaning and maintenance of the dust collection assembly 3, improves the convenience of dust filtration and cleaning, and the conductive layer 302 is removably disposed on the flexible insulating layer 300, and it is also possible to change the form of the dust collection assembly 3, and it is also possible to separate the conductive layer 302 from the flexible insulating layer 300. Moreover, according to its flexible characteristics, it can be wound into different shapes to improve the applicability of the dust collection assembly 3 in different structures and meet the requirements of the dust collection assembly 3 for different electric field forms. When the conductive layer 302 is connected to the flexible insulating layer 300, the conductive layer 302 can be closely connected to the flexible insulating layer 300, and the conductive layer 302 and the flexible insulating layer 300 can move together. Thus, when the electrode sheet 30 is involved or bent, the electrode sheet 30 has adaptability characteristics.

[0101] In some embodiments, optionally, when the conductive layer 302 is connected to the flexible insulating layer 300, the conductive layer 302 is coated or adhered to the flexible insulating layer 300.

[0102] In this embodiment, the conductive layer 302 is coated or adhered to the flexible insulating layer 300 to improve the connection strength between the conductive layer 302 and the flexible insulating layer 300 and ensure the convenience during winding.

[0103] As shown in FIG.  15, in some embodiments, optionally, the electrode sheet 30 further includes an insulating base 303, the conductive layer 302 is provided on the insulating base 303, and when the conductive layer 302 is connected to the flexible insulating layer 300, the insulating base 303 is provided on the flexible insulating layer 300.

[0104] In this embodiment, the electrode sheet 30 further includes an insulating base 303, the conductive layer 302 is disposed on the insulating base 303, the insulating base 303 is reconnected to the flexible insulating layer 300, and the conductive layer 302 is connected to the flexible insulating layer 300 through the insulating base 303, which facilitates the manufacture of the electrode sheet 30.

[0105] Optionally, one side of the insulating substrate 303 provided with the conductive layer 302 is connected to the flexible insulating layer 300.

[0106] In this embodiment, one side of the insulating substrate 303 provided with the conductive layer 302 is connected to the flexible insulating layer 300. As a result, both sides of the conductive layer 302 are respectively the flexible insulating layer 300 and the insulating substrate 303. Thereby, the conductive layer 302 is completely sealed by the insulating substrate 303 and the flexible insulating layer 300, the surface of the electrode sheet 30 is completely insulated, and when it is actuated by electricity, the occurrence of power leakage can be prevented, improving the safety performance.

[0107] Optionally, the conductive layer 302 is coated or adhered to the insulating substrate 303.

[0108] In this embodiment, since the conductive layer 302 is coated or adhered to the insulating substrate 303, the conductive layer 302 is connected to the insulating substrate 303 in an integral structure, improving the connection strength and reliability between the conductive layer 302 and the insulating substrate 303, thereby ensuring the stability of the distance between adjacent electrode sheets 30 and the stability of the electric field.

[0109] Optionally, the insulating substrate 303 is adhered to the flexible insulating layer 300.

[0110] In this embodiment, the insulating substrate 303 is adhered onto the flexible insulating layer 300. Thereby, the insulating substrate 303 is adhered to the flexible insulating layer 300 in an integral structure, improving the reliability of the connection between the insulating substrate 303 and the flexible insulating layer 300, and preventing the situation where the conductive layer 302 and the flexible insulating layer 300 are separated.

[0111] Optionally, the insulating substrate 303 includes any one of PC, PET, PP, PS, and / or the thickness of the insulating substrate 303 is 0.1 mm or more and 1.0 mm or less.

[0112] In this embodiment, the insulating base 303 includes any one of polycarbonate (PC), polyethylene terephthalate (PET), polypropylene (PP), and polystyrene (PS). The thickness of the insulating base 303 is set between 0.1 mm and 1 mm to ensure the insulating performance of the electrode sheet 30.

[0113] In a specific application, the thickness of the insulating base 303 is any value among 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, and 1.0 mm.

[0114] As shown in FIG. 9, in some embodiments, optionally, the position limiting part 301 includes a protrusion 3011, and the protrusion 3011 is provided on the same side or different sides of the flexible insulating layer 300.

[0115] In this embodiment, the position limiting part 301 includes a protrusion 3011, and the protrusion 3011 is arranged on one side or both sides of the flexible insulating layer 300. When the protrusion 3011 is arranged so that a plurality of electrode sheets 30 can be stacked, the distance between adjacent electrode sheets 30 is increased. On the one hand, the stability of the electric field generated in the electrode sheet 30 is ensured, and on the other hand, the dust collection space of the dust collection assembly 3 is also increased to improve the dust collection effect. Specifically, the protrusion 3011 can be arranged on one side or both sides of the flexible insulating layer 300.

[0116] In some embodiments, optionally, the protrusion 3011 is provided on one side of the flexible insulating layer 300, and the conductive layer 302 is provided on the other side of the flexible insulating layer 300.

[0117] In this embodiment, the protrusion 3011 and the conductive layer 302 are located on both sides of the flexible insulating layer 300 respectively, thereby facilitating the connection between the conductive layer 302 and the flexible insulating layer 300 and reducing the processing difficulty.

[0118] As shown in FIG. 11, in some embodiments, optionally, the height C of the protrusion 3011 is 0.1 mm or more and 10 mm or less.

[0119] In this embodiment, the height C of the protrusion 3011 is set between 0.1 mm and 10 mm to ensure the spacing effect between adjacent electrode sheets 30.

[0120] Optionally, in any cross-section perpendicular to the height direction of the protrusion 3011, the width A between any two points on the contour line of the protrusion 3011 is 0.1 mm or more and 10 mm or less, and / or the distance B between adjacent protrusions 3011 is 0.5 mm or more and 100 mm or less, and / or the height difference between any two protrusions 3011 is 0 mm or more and 1 mm or less.

[0121] In this design, if the width A of the protrusion 3011 is too large, the manufacturing cost will increase and the volume of the dust collection space will decrease. If the width A of the protrusion 3011 is too small, the manufacturing difficulty will increase. Therefore, by setting the width A between any two points on the contour line of any cross-section of the protrusion 3011 between 0.1 mm and 10 mm, not only can the volume of the dust collection space be ensured, but also the manufacturing can be facilitated. Optionally, the distance B between adjacent protrusions 3011 is set between 0.5 mm and 100 mm. Optionally, the height difference between any two protrusions 3011 is 0 mm or more and 1 mm or less, so that the heights of the plurality of protrusions 3011 are close to each other, thereby maintaining the distance between the electrode sheets 30 within a stable range.

[0122] It should be understood that the height C of the protrusion 3011 is the height at which the protrusion 3011 protrudes from the flexible insulating layer 300.

[0123] In a specific application, in any cross-section perpendicular to the height direction of the protrusion 3011, the width A (i.e., the width of the protrusion 3011) between any two points on the contour line of the protrusion 3011 is any value of 0.5 mm, 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 7.5 mm, 8 mm, 8.5 mm, 9 mm, 9.5 mm, or between any two values.

[0124] Optionally, the distance B between adjacent protrusions 3011 is 2 mm or more and 100 mm or less. Specifically, the distance between adjacent protrusions 3011 is any one of 10 mm, 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, 90 mm, or between any two values.

[0125] Optionally, the height C of the protrusion 3011 is any one of 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, or between any two values.

[0126] Optionally, the plurality of protrusions 3011 are set to the same height.

[0127] Optionally, the end of the conductive layer 302 is located within a region surrounded by the end of the flexible insulating layer 300.

[0128] In this embodiment, the end of the conductive layer 302 is located within a region surrounded by the end of the flexible insulating layer 300. Thus, the projection of the conductive layer 302 on the flexible insulating layer 300 is located within the flexible insulating layer 300, increasing the creepage distance and the electrical clearance and preventing the occurrence of discharge and sparking.

[0129] Optionally, along the width direction of the flexible insulating layer 300, the distance from the end of the conductive layer 302 to the end of the flexible insulating layer 300 is 1 mm or more and 50 mm or less.

[0130] In this embodiment, along the width direction of the flexible insulating layer 300, the distance from the end of the conductive layer 302 to the end of the flexible insulating layer 300 is 1 mm or more and 50 mm or less, ensuring not only the electrical clearance but also the coverage range of the electric field.

[0131] In a specific application, along the width direction of the flexible insulating layer 300, the distance from the end of the conductive layer 302 to the end of the flexible insulating layer 300 is any one of 2 mm, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm.

[0132] Optionally, the flexible insulating layer 300 includes an insulating film or an insulating plastic sheet.

[0133] In this embodiment, the flexible insulating layer 300 includes an insulating film or an insulating plastic sheet, which can not only achieve winding but also ensure the insulation effect between adjacent electrode sheets 30.

[0134] Optionally, the thickness of the flexible insulating layer 300 is 0.1 mm or more and 1 mm or less.

[0135] In this embodiment, the thickness of the flexible insulating layer 300 is between 0.1 mm and I mm, which can ensure the realization of insulation between adjacent electrode sheets 30.

[0136] In a specific application, the thickness of the flexible insulating layer 300 is any value of 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, or between any two values.

[0137] Optionally, the conductive layer 302 includes any one of a metal foil, a conductive thin film, or a flexible conductive sheet coated with a conductive coating layer.

[0138] In this embodiment, the conductive layer 302 includes any one of a metal foil, a conductive thin film, or a flexible conductive sheet coated with a conductive coating layer.

[0139] Optionally, the surface resistance of the conductive layer 302 is 1×10 8 Ω or less.

[0140] In this embodiment, the surface resistance of the conductive layer 302 is 1×10 8 Ω or less, ensuring that when the electrode sheet 30 is longer, the load voltage does not decay significantly.

[0141] As shown in FIG. 12, optionally, the electrode sheet 30 further includes an electrical connection portion 3020, the electrical connection portion 3020 is electrically connected to the conductive layer 302, and the electrical connection portion 3020 is used to connect the power supply device 5.

[0142] In this embodiment, the electrode sheet 30 further includes an electrical connection portion 3020, the electrical connection portion 3020 is connected to the conductive layer 302, and can be connected to the power supply device 5, thereby providing high-voltage power to the electrode sheet 30, enabling the electrode sheet 30 to generate a corresponding electric field and realizing dust adsorption.

[0143] Optionally, along the length direction of the flexible insulating layer 300, the electrical connection portion 3020 is located at the end of the conductive layer 302.

[0144] In this embodiment, along the length direction of the flexible insulating layer 300, the electrical connection portion 3020 is arranged at the end of the conductive layer 302 to facilitate the connection between the electrical connection portion 3020 and the power supply device 5.

[0145] It should be understood that the shape of the flexible insulating layer 300 is strip-shaped.

[0146] Optionally, the electrical connection portion 3020 includes a metal piece or wiring.

[0147] In this embodiment, the electrical connection portion 3020 including a metal piece or wiring can realize a conductive structure.

[0148] In some embodiments, optionally, the number of fan blades 2 is one or more. When the number of fan blades 2 is more than one, the plurality of fan blades 2 are arranged at intervals along the rotation axis direction.

[0149] In this embodiment, the number of fan blades 2 is one or more. When the number of fan blades 2 is more than one, the plurality of fan blades 2 are arranged at intervals along the rotation axis direction, and can provide various air supply modes.

[0150] Optionally, when the number of fan blades 2 is plural, the dust collection assembly 3 is disposed between the plurality of fan blades 2 and the air inlet 10.

[0151] In some embodiments, optionally, the rotational directions of at least two fan blades 2 are the same or different.

[0152] In this embodiment, the rotational directions of at least two fan blades 2 are the same or different. When the rotational directions of at least two fan blades 2 are the same, the distance for supplying air can be increased. When the rotational directions of at least two fan blades 2 are opposite, a windless air supply can be experimented with.

[0153] Optionally, the dust collection assembly 3, the ion generator 4 and the fan blades 2 are coaxially distributed along the axial direction of the rotation axis of the fan blades 2, improving the purification efficiency and the dust collection efficiency of the fan.

[0154] Specifically, the present invention relates to the field of air purification, specifically to purification and sterilization filters and purification fans. It mainly introduces an adaptable flexible electrode-made filter (for example, the dust collection assembly 3). The filter includes a positive electrode and a negative electrode, which are made of adaptable flexible electrodes. The filter wound parallel to the spiral structure has the characteristics of low wind resistance, high efficiency, and simple process. The fan applying the spiral structure has the effects of dust removal and sterilization.

[0155] The electrostatic purification and dust collection device (for example, the dust collection assembly 3) has the effects of dust removal and sterilization and disinfection, has very low wind resistance, and can meet application scenarios with strict requirements regarding wind resistance such as air conditioners, fans, heaters, etc. However, since the electrostatic purification and dust collection device mainly relies on an electric field to complete the adsorption and sterilization of particulate matter, between the electrodes that generate the electric field, they need to be arranged separately, parallel to each other, and each needs to be connected to the high-voltage output end and the low-voltage output end of high-voltage power. Therefore, the current manufacturing process of the integrated device is relatively complex, the manufacturing cost is higher, and the form is single, so the scope of use of this technology is also limited. In related technologies, the distance mode between the positive electrode plate and the negative electrode plate uses the mode of an externally attached spacer or a hot melt adhesive. On the one hand, the processing accuracy cannot be ensured, and on the other hand, fine manual work is required, resulting in a high processing cost.

[0156] The adaptable flexible electrode-made filter includes a flexible electrode sheet and a support frame (for example, the frame 32). The flexible electrode sheet is divided into a positive electrode (for example, the positive electrode sheet) and a negative electrode (for example, the negative electrode sheet). During operation, they are respectively connected to the high-voltage output end and the low-voltage output end of high-voltage power. Both the positive electrode and the negative electrode are flexible electrode sheets with a position-limiting structure (for example, the position-limiting part 301). The positive electrode and the negative electrode are wound parallel to one end of the support frame and engaged with the other end of the support frame to complete the assembly of the filter. A grid 328 is arranged on the surface of the support frame. The core purification component of the fan applying this filter further includes an ion generator 4 and high-voltage power (for example, the power supply device 5). When the fan is operating, the ion generator 4 charges the particulate matter in the air, and the high-voltage power energizes the positive and negative electrodes of the filter to form an electric field between the positive and negative electrodes, thereby adsorbing the charged particulate matter, and at the same time, the electric field further has the effect of sterilization and disinfection.

[0157] The adaptable flexible electrode-made filter includes a flexible electrode sheet with a position-limiting structure and a support frame.

[0158] The flexible electrode sheet with a position-limiting structure includes a conductive layer 302 and an insulating layer with a position-limiting structure (for example, the flexible insulating layer 300). The position-limiting structure is a number of protrusions 3011 arranged on the surface of the insulating layer. Due to the supporting effect of the protrusions 3011, the electric field distance between the positive electrode and the negative electrode can be controlled between 0.1 mm and 10 mm.

[0159] The flexible electrode sheet with a position-limiting structure includes a positive electrode with a position-limiting structure and a negative electrode with a position-limiting structure. The positive electrode and the negative electrode are wound parallel to the support frame to form a spiral filter body.

[0160] The support frame is made of an insulating material. The flexible electrode sheet is wound along the central axis direction of the support frame. A grid 328 is arranged on the support frame, which can fix the spirally wound flexible electrode sheet, prevent it from falling off or spreading from the front and back, and maintain the stability of the filter structure.

[0161] To facilitate winding and packaging, the support frame can be configured as a removable part. First, the flexible electrode sheet is wound on one side of the support frame (for example, the first frame 320), and then engaged with another assembly (for example, the second frame 324) to realize the packaging and fixing of the filter. The support frame can ensure the stability of the filter form, and can also hide the wiring where the positive electrode and the negative electrode are connected to the high-voltage power input end, ensuring safety during operation.

[0162] When the filter is attached to the fan for use, it needs to be used in combination with the ion generator 4 and high voltage power. By preferentially attaching the filter to the air inlet 10 of the fan, the problem of dust accumulation in the fan body can be effectively alleviated.

[0163] The ion generator 4 can be arranged on the air duct path, preferably at the exhaust port 12 or the intake port 10 of the fan close to the filter, thereby preventing the generated ions from being blocked by other components in the air duct and affecting the charging effect of the particulate matter.

[0164] The main function of the ion generator 4 is to charge the particulate matter, which can be a carbon brush plus / minus ion generator, a needle tip plus / minus ion generator, a needle plate charging device, a tungsten wire charging device, etc.

[0165] The high-voltage power can be arranged on the filter or the whole machine, mainly to supply power to the positive and negative electrodes of the filter.

[0166] The adaptable flexible electrode sheet can be directly wound around a filter with a special shape, control the distance between the positive and negative electrodes of the dust collection assembly 3, greatly reduce the technical difficulty and processing cost of filter processing, and at the same time, due to the protrusion 3011, the dust collection area of the filter can be further increased, and the dust removal and sterilization and disinfection effects of the filter can be improved.

[0167] In the present invention, the term "a plurality" refers to two or more unless specifically limited otherwise. Terms such as "installation", "connection", "attachment", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection, and "connection" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art will be able to understand the specific meaning of the above terms in the present invention according to specific situations.

[0168] In the description of this specification, terms such as "one embodiment", "some embodiments", "specific embodiments", etc. indicate that the corresponding embodiment or the specific features, structures, materials, or characteristics described by way of illustration are included in at least one embodiment or example of the present invention. In this specification, the schematic diagrams of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials, or characteristics described can be appropriately combined in any one or more actual forms or examples in any one or more embodiments or illustrations in any appropriate way.

[0169] The above are only preferred embodiments of the present invention, and the present invention is not intended to limit the present invention for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Description of Reference Numerals

[0170] 1 Cover body 10 Intake port 12 Exhaust port 2 Fan blade 3 Dust collection assembly 30 Electrode sheet 300 Flexible insulating layer 301 Position limiting part 3011 Protrusion 302 Conductive layer 3020 Electrical connection part 303 Insulating base 304 Positive electrode sheet 305 Negative electrode sheet 32 Frame 320 First frame 322 First support ring 324 Second frame 326 Second support ring 328 Grid 4 Ion generator 5 Power supply device 50 Positive connection pole 52 Negative connection pole

Claims

1. A fan, comprising: a cover body provided with an air inlet and an air outlet; a fan blade provided in the cover body and used for supplying air to the air outlet; a dust collection assembly provided in the cover body, wherein the dust collection assembly is located between the air inlet and the air outlet, the dust collection assembly includes a plurality of electrode sheets, the plurality of electrode sheets are arranged to be laminated and wound, an electric field is generated between adjacent electrode sheets, and a charged medium can be adsorbed through the electric field. The fan is characterized by the above.

2. The dust collection assembly is located between the fan blade and the air inlet. The fan according to claim 1, characterized by the above.

3. The cover body is further provided with an ion generator used for making the medium carry charges, which can form the electric field after the plurality of electrode sheets are energized and adsorb the charged medium through the electric field. The fan according to claim 1, characterized by the above.

4. The ion generator is provided on one side of the dust collection assembly, or between the air inlet and the dust collection assembly, or between the air outlet and the dust collection assembly. Here, the ion generator is arranged close to the dust collection assembly. The fan according to claim 3, characterized by the above.

5. The ion generator includes any one of a carbon brush plus ion generator, a carbon brush minus ion generator, a needle tip plus ion generator, a needle tip minus ion generator, a needle plate charging device, and a tungsten wire charging device. The fan according to claim 3, characterized by the above.

6. The fan further includes a power supply device provided on the dust collection assembly or the cover body, and the power supply device is used for supplying power to the electrode sheets. The fan according to any one of claims 1 to 5, characterized by the above.

7. The power supply device includes a positive connection pole and a negative connection pole. The plurality of electrode sheets include a positive electrode sheet and a negative electrode sheet. The positive connection pole is electrically connected to the positive electrode sheet, and the negative connection pole is electrically connected to the negative electrode sheet. The fan according to claim 6, characterized by the above.

8. When the positive electrode sheet and the negative electrode sheet are alternately laminated in order and the electrode sheet is energized, an electric field can be formed between the positive electrode sheet and the negative electrode sheet. The fan according to claim 7, characterized in that.

9. The electrode sheet is a flexible electrode sheet. The fan according to any one of claims 1 to 5, characterized in that.

10. The dust collection assembly further includes a frame detachably provided in the cover body, and the plurality of electrode sheets are laminated in order and wound around the frame. The fan according to claim 9, characterized in that.

11. The plurality of electrode sheets are laminated in order and are wound into a spiral dust collection structure around the center of the frame, or The plurality of electrode sheets are laminated in order and are arranged to be reciprocally laminated along the circumferential direction of the frame. The fan according to claim 10, characterized in that.

12. When the plurality of electrode sheets are laminated in order and wound into a spiral dust collection structure around the center of the frame, the electric field is distributed along the radial direction with the winding center of the electrode sheet as the center of the circle, and the directions of the electric fields generated between the adjacent laminated electrode sheets are different. The fan according to claim 11, characterized in that.

13. The frame includes a first support ring, and the electrode sheet includes a first frame wound around the outer wall of the first support ring, and a second frame removably connected to the first frame and including a second support ring. When the first frame and the second frame are engaged, the second support ring is installed penetratingly inside the first support ring. The fan according to claim 11, characterized in that.

14. The frame includes an insulating frame, and / or a grid is provided on one side of the frame, and the grid is located on the side surface of the electrode sheet. The fan according to claim 11, characterized in that.

15. Any of the electrode sheets includes a flexible insulating layer and a conductive layer. A plurality of position-limiting parts are provided at intervals on the flexible insulating layer. The conductive layer is provided on one side of the flexible insulating layer. Since the position-limiting parts are located between adjacent stacked conductive layers, there is a gap between adjacent conductive layers. When energized, an electric field is generated in the gap. The fan according to any one of claims 1 to 5, characterized in that.

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