WO2022199048A1

WO2022199048A1 - Dust collection impeller of air purifier and air purifier

Info

Publication number: WO2022199048A1
Application number: PCT/CN2021/130330
Authority: WO
Inventors: 冉宏宇; 章燕; 刘义刚; 路尧远; 陈其
Original assignee: 苏州贝昂科技有限公司
Priority date: 2021-03-22
Filing date: 2021-11-12
Publication date: 2022-09-29
Also published as: CN112833510A

Abstract

The present application provides a dust collection impeller of an air purifier and the air purifier. The dust collection impeller comprises: an annular collection pole base and an annular repulsion pole base, the collection pole base and the repulsion pole base being provided opposite to each other; a collection pole insulation support, attaching to the side of the collection pole base opposite to the repulsion pole base; a repulsion pole insulation support, attaching to the side of the repulsion pole base opposite to the collection pole base; a plurality of collection pole pieces, which are provided at intervals in the circumferential direction and have one end fixedly connected to the collection pole base and the other end mounted on the repulsion pole insulation support; and a plurality of repulsion pole pieces which are provided at intervals in the circumferential direction and have one end fixedly connected to the repulsion pole base and the other end mounted on the collection pole insulation support. The repulsion pole pieces and the collection pole pieces are distributed at intervals in a staggered manner, the outer diameter of the dust collection impeller is less than 100 mm, and a spacing distance between the adjacent repulsion pole piece and collection pole piece is 4-6 mm. The dust collection impeller can improve the purification efficiency of the air purifier.

Description

Dust collecting impeller and air purifier of air purifier

CROSS-REFERENCE TO RELATED APPLICATIONS

This patent application claims priority to Chinese patent application 2021103009915 filed on March 22, 2021, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the field of air purification, and in particular, to a dust collecting impeller of an air purifier and an air purifier.

Background technique

With the frequent occurrence of haze weather, air quality has attracted more and more attention from people, and with the improvement of people's quality of life, air purifiers have become a hot-selling brand in the market. Compared with traditional physical filtration and dust removal technology, The electrostatic precipitator technology has the advantages of zero consumables and lower maintenance costs, so electrostatic precipitator air purifiers are more and more widely favored by people, and are used in various air purification occasions, such as indoors or cars. However, the CADR (clean air output ratio) of the existing electrostatic precipitator air purifier is low and cannot meet people's daily needs.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide a dust collecting impeller of an air purifier and an air purifier, and the dust collecting impeller can improve the purification efficiency of the air purifier.

In the first aspect, an embodiment of the present application provides a dust collecting impeller for an air purifier, the dust collecting impeller includes an annular collector base, an annular repeller base, a collector insulating support, a repeller insulating support, a plurality of circumferential The collector pole pieces arranged at intervals and a plurality of repeller pole pieces arranged at intervals in the circumferential direction, the collector pole base and the repeller pole base are arranged oppositely; One side of the pole base is arranged; the repelling pole insulating bracket is arranged on the side of the repelling pole base opposite to the collector pole base; a plurality of collector pole pieces arranged at intervals in the circumferential direction are fixedly connected to the collector pole at one end a base, the other end is mounted on the repeller insulating support; a plurality of circumferentially spaced repelling pole pieces, one end is fixedly connected to the repeller base, and the other end is mounted on the collector insulating support; the repelling electrode The pole pieces and the collector pole pieces are alternately distributed, the outer diameter of the dust collecting impeller is less than 100mm, and the distance between the adjacent repelling pole pieces and the collector pole pieces is 4-6mm.

In the above implementation process, the distance between the collector pole piece and the repelling pole piece not only affects the smoothness of the air flow, but also affects the clean air output ratio (CADR). The distance between the adjacent repelling pole piece and the collector pole piece is 4-6mm, which can not only ensure the smoothness of air circulation, but also achieve a high CADR value of the air purifier and effectively improve the purification efficiency of the air purifier.

In a possible implementation manner, the collector insulating support is provided with a first mounting portion, and one end of the repeller sheet is detachably mounted on the first mounting portion; and/or, the repeller insulating support A second mounting portion is provided on the bracket, and one end of the collector piece is detachably mounted on the second mounting portion.

In the above implementation process, a first mounting portion where the repelling pole piece is detachably mounted on the collector insulating support is provided, and the collecting pole piece is detachably mounted on the second mounting portion on the repelling electrode insulating support, so as to facilitate the disassembly and assembly of the dust collecting impeller, Clean or repair the dust collector impeller.

In a possible implementation manner, a first installation groove is formed on the first installation portion, and the other end of the repeller pole piece is inserted into the first installation groove; and/or, the second installation groove A second installation groove is opened on the part, and one end of the collector piece is inserted into the second installation groove.

In the above implementation process, the above structure is adopted to realize detachable installation, the structure is simple, the operation is convenient, and the miniaturization of the air purifier is favorable. At the same time, the first installation groove can effectively limit the position of the repelling pole piece, and the second installation groove can effectively limit the position of the collector pole, so as to avoid the deformation and displacement of the repeller pole piece or the collector pole piece resulting in uneven gaps, and avoid cracks during use. The phenomenon of fire discharge ensures the gap between the collector pole piece and the repeller pole piece and improves the purification efficiency.

In a possible implementation manner, the inner wall of the first installation groove is provided with a first positioning protrusion, and the repeller pole piece is provided with a first positioning groove adapted to the first positioning protrusion; and /Or, the inner wall of the second installation groove is provided with a second positioning protrusion, and the collector pole piece is provided with a second positioning groove adapted to the second positioning protrusion.

In the above implementation process, corresponding positioning structures are arranged in the first installation groove and the second installation groove, that is, the first positioning protrusion and the second positioning protrusion, which can further limit the positioning of the repeller pole piece and the collector pole piece. , to further ensure the interval between the repelling pole piece and the collecting pole piece, which can effectively improve the purification efficiency of the air purifier, that is, the CADR value.

In a possible implementation manner, the first installation groove is a stepped groove structure, and the other end of the repelling pole piece is a stepped end structure matched with the stepped groove; and/or, the second installation groove is a stepped groove A slot structure, the other end of the collector piece is a stepped end structure matched with the stepped slot.

In the above implementation process, the first installation groove and the second installation groove are set as stepped groove structures. Correspondingly, the other end of the collector pole piece, that is, the free end of the collector pole piece is set to a stepped end structure, and the other end of the repelling pole piece is The free end of the repelling pole piece is set as a stepped end structure, and the collector pole piece and the repelling pole piece are vertically limited by the setting of the stepped structure, which further ensures the stability of the separation distance between the collector pole piece and the repelling pole piece.

In a possible implementation manner, the collector insulating support is provided with a first through hole, and the collector piece passes through the first through hole to be connected to the collector base; and/or, the A second through hole is opened on the repeller insulating bracket, and the repeller piece passes through the second through hole and is connected to the repeller base.

In the above implementation process, the connection between the collector piece and the collector base is realized by opening a first through hole on the collector insulating support, and the connection between the repeller piece and the repeller base is realized by opening a second through hole on the repeller insulating support , simple structure, easy disassembly and assembly. At the same time, the first through hole can also limit the position of the collector pole piece, and the second through hole can also limit the position of the repeller pole piece, that is, the collector pole insulating bracket cooperates with the first installation part through the first through hole to connect the collector pole piece and the collector pole piece. The position of the repelling pole piece is limited, and the repelling pole insulating bracket cooperates with the second mounting part to limit the position of the collector pole piece and the repelling pole piece through the second through hole, so as to realize the position limit of the two ends of the repeller pole piece and the collector pole piece, thereby ensuring The space between the repelling pole piece and the collecting pole piece improves the purification efficiency of the air purifier.

In a possible implementation manner, the collector insulating support is detachably connected to the collector base; and/or the repeller insulating support is detachably connected to the repeller base.

In the above implementation process, the collector insulating support and the collector base are detachably connected, and the repeller insulating support and the repeller base are detachably connected, which can ensure the firmness of the connection between the insulating support and the base, and further ensure the entire dust collecting impeller structural stability.

In some embodiments, the collector insulating support and the collector base are not connected, and the repeller insulating support and the repeller base are not connected, but through the collector piece and the repeller insulating support and the collector piece and the collector The bidirectional connection of the insulating support realizes the fit of the base and the insulating support.

In a second aspect, an embodiment of the present application further provides an air purifier, the air purifier comprising the dust collecting impeller of the air purifier described in any of the above embodiments.

In the above implementation process, the air purifier using the above-mentioned dust collecting impeller has a simple structure, high purification efficiency and good user experience.

In a possible implementation, the above-mentioned air purifier further includes a casing, a top cover, a generator assembly, a fan and an annular guide, and the casing is sleeved outside the dust collecting impeller; the top cover is covered with At one end of the dust collecting impeller and connected to the casing, an air inlet is opened on the top cover plate; the generator assembly is connected to the top cover plate and located in the air inlet; the fan is arranged on the The dust collecting impeller is installed in the casing; one end of the annular guide is arranged on the top cover plate, and the other end extends away from the top cover plate and extends into the fan and the dust collecting impeller between.

In the above implementation process, an annular guide member is provided on the top cover plate, and the annular guide member extends between the fan and the dust collecting impeller. On the one hand, the air intake can be guided, so that the air can be directly guided to the dust collection from the air inlet. The inner cavity of the impeller will not flow outwards directly in the circumferential direction without the dust collecting impeller, which ensures the accuracy of the air flow direction, avoids the blowing wind, and reduces the noise caused by the blowing wind.

In a possible implementation manner, a sealing ring is provided on the annular guide member and the collector base to seal the annular guide member and the dust collecting impeller.

In the above implementation process, a sealing ring is set between the annular guide and the collector base to avoid air being emitted without the dust collecting impeller due to the gap between the annular guide and the collector base, thereby improving the air purifier. purification efficiency.

Description of drawings

In order to explain the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the embodiments of the present application. It should be understood that the following drawings only show some embodiments of the present application, therefore It should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a structural diagram of an integrated impeller provided by an embodiment of the present application;

2 is a structural diagram of a collector insulating support provided in an embodiment of the present application;

3 is a structural diagram of a repeller insulating support provided in an embodiment of the present application;

4 is an exploded structural diagram of an air purifier provided by an embodiment of the application;

FIG. 5 is an assembly structural diagram of an air purifier according to an embodiment of the present application.

Icon: 100-collector base; 200-rejector base; 300-collector insulating support; 400-repeller insulating support; 500-collector piece; 600-repulsor piece; 310-first installation part; 410-first Two installation parts; 320-first installation slot; 420-second installation slot; 330-first through hole; 430-second through hole; 710-shell; 720-top cover; 721-air inlet; 730- Generator assembly; 740-fan; 750-ring guide.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In the first aspect, the embodiment of the present application provides a dust collecting impeller of an air purifier. Please refer to FIG. 1, FIG. 2 and FIG. 3. FIG. 1 is a structural diagram of an integrated impeller provided by the embodiment of the present application; FIG. 2 A structural diagram of a collector insulating support provided by an embodiment of the present application; FIG. 3 is a structural view of a repelling electrode insulating support provided by an embodiment of the present application. The dust collecting impeller includes an annular collector base 100 , an annular repeller base 200 , a collector insulating support 300 , a repeller insulating support 400 , a plurality of circumferentially spaced collector pieces 500 and a plurality of circumferentially spaced The repeller plate 600, the collector base 100 and the repeller base 200 are arranged oppositely; the collector insulating support 300 is arranged on the side of the collector base 100 opposite to the repeller base 200; the repeller insulating support 400 is attached to the repeller A side of the base 200 opposite to the collector base 100 is arranged; a plurality of collector pieces 500 arranged at intervals in the circumferential direction, one end is fixedly connected to the collector base 100, and the other end is installed on the repeller insulating support 400; a plurality of circumferentially spaced The set repelling pole piece 600 has one end fixedly connected to the repelling pole base 200, and the other end is installed on the collector pole insulating support 300; the repelling pole piece 600 and the collecting pole piece 500 are staggered and distributed, and the outer diameter of the dust collecting impeller is less than 100mm, and The separation distance between the adjacent repeller pole piece 600 and the collector pole piece 500 is 4-6 mm.

In the above implementation process, the plurality of collector pieces 500 are connected to the collector base 100 to achieve mutual electrical connection. When in use, the collector base 100 is powered on or one or more of the multiple collector pieces 500 are connected. When the power is turned on, all the collector pieces 500 can be turned on. Likewise, the plurality of repelling pole pieces 600 are electrically connected to each other by being connected to the repelling pole base 200, and when in use, the repelling pole base 200 is powered on or one or more of the plurality of repelling pole pieces 600 are powered on, All the repeller pole pieces 600 can be turned on. The other end of the collector piece 500 away from the collector base 100, that is, the free end of the collector piece 500, is installed on the repeller insulating support 400, that is, by setting the repeller insulating support 400, on the one hand, the free end of the collector piece 500 can be fixed. , On the other hand, the collector pole piece 500 and the repeller pole piece 600 can be isolated to avoid contact between the two, so as to realize the insulating and staggered installation of the two. Similarly, the other end of the repeller pole piece 600 away from the repeller pole base 200, that is, the free end of the repeller pole piece 600, is installed on the collector insulating support 300, that is, by setting the collector insulating support 300, on the one hand, the repelling pole piece 600 can be freed On the other hand, it can isolate the repeller pole piece 600 and the collector pole piece 500, avoid contact between the two, and realize the insulation and staggered installation of the two.

The electrostatic air purifier generally includes a generator assembly 730, a fan 740 and the above-mentioned dust collecting impeller. When in use, the generator assembly 730 and the collector pole piece 500 are connected to different power sources, and the repulsion pole piece 600 and the generator pole assembly 730 are connected to the same power source. The power supply, the fan 740 is pneumatic, and drives the air containing pollutant particles to pass through the generator assembly 730, and is ionized under the action of the electric field. The ionized pollutant particles are driven by the fan 740 to pass through the dust collecting impeller. The charge on the collector pole piece 500 is opposite to the charge on the collector pole piece 500, and is the same as the charge on the repeller pole piece 600. The repellent pole piece 600 repels the pollutant particles so that the pollutant particles move towards the collector pole piece 500, so that they are collected by the collector pole piece 500 and purified. The rear air flows out between the collector pole piece 500 and the repeller pole piece 600. Therefore, the distance between the collector pole piece 500 and the repeller pole piece 600 not only affects the smoothness of the airflow, but also affects the clean air output ratio (CADR). , when the overall outer diameter of the dust collecting impeller is less than 100mm, the distance between the adjacent repelling pole pieces 600 and the collecting pole pieces 500 is limited to 4-6mm, which can not only ensure the smoothness of air circulation, but also realize the air purifier. The high CADR value of the air purifier can effectively improve the purification efficiency of the air purifier.

It should be noted that the above-mentioned annular collector base 100 and annular repeller base 200 may be closed rings or unclosed rings, which are not limited in the embodiment of the present application.

In a possible implementation manner, the collector insulating support 300 is provided with a first mounting portion 310 , and one end of the repeller sheet 600 is detachably mounted on the first mounting portion 310 ; and/or, the repeller insulating support 400 is provided on the first mounting portion 310 . There is a second mounting portion 410 , and one end of the collector piece 500 is detachably mounted on the second mounting portion 410 .

In the above implementation process, the first installation part 310 of the repeller pole piece 600 is detachably installed on the collector pole insulating support 300, and the collector pole piece 500 is detachably installed on the second installation part 410 of the repeller pole insulation support 400, which is convenient. Disassemble and assemble the dust-collecting impeller, and clean or repair the dust-collecting impeller.

In a possible implementation manner, the first mounting portion 310 is provided with a first mounting groove 320 , and the other end of the repelling pole piece 600 is inserted into the first mounting groove 320 ; and/or, the second mounting portion 410 is provided with a first mounting groove 320 . There is a second installation groove 420 , and one end of the collector piece 500 is inserted into the second installation groove 420 .

In the above implementation process, when assembling the dust collecting impeller, the other end of the repelling pole piece 600 installed on the repelling pole base 200, that is, the free end of the repelling pole piece 600, is inserted into the first installation groove 320, and the other end of the repelling pole piece 600 is installed on the collecting pole base 200. The other end of the collector pole piece 500 on the 100, that is, the free end of the collector pole piece 500, is inserted into the second installation groove 420 to realize the assembly of the dust collecting impeller. The structure is simple, the operation is convenient, and it is conducive to the miniaturization of the air purifier. At the same time, the first installation groove 320 can effectively limit the position of the repeller pole piece 600, and the second installation groove 420 can effectively limit the position of the collector pole, so as to avoid the deformation and displacement of the repeller pole piece 600 or the collector pole piece 500 resulting in uneven gaps, avoiding The phenomenon of spark discharge occurs during use, which ensures the gap between the collector pole piece 500 and the repeller pole piece 600 and improves the purification efficiency.

In a possible implementation manner, the inner wall of the first installation groove 320 is provided with a first positioning protrusion, and the repelling pole piece 600 is provided with a first positioning groove adapted to the first positioning protrusion; and/or, The inner wall of the second installation groove 420 is provided with a second positioning protrusion, and the collector pole piece 500 is provided with a second positioning groove adapted to the second positioning protrusion.

In the above implementation process, corresponding positioning structures are arranged in the first installation groove 320 and the second installation groove 420, that is, the first positioning protrusion and the second positioning protrusion, which can be realized for the repeller pole piece 600 and the collector pole piece 500. Further positioning limitation, further ensuring the interval between the repeller pole piece 600 and the collector pole piece 500, can effectively improve the purification efficiency of the air purifier, that is, the CADR value.

In a possible implementation manner, the first installation groove 320 is a stepped groove structure, and the other end of the repelling pole piece 600 is a stepped end structure matched with the stepped groove; and/or the second installation groove 420 is a stepped groove structure, The other end of the collector pole piece 500 is a stepped end structure matched with the stepped groove.

In the above implementation process, the first installation groove 320 and the second installation groove 420 are set as stepped groove structures. Correspondingly, the other end of the collector pole piece 500 , that is, the free end of the collector pole piece 500 is set as a stepped end structure, and the repelling pole piece The other end of 600, that is, the free end of the repelling pole piece 600, is set as a stepped end structure, and the collector pole piece 500 and the repelling pole piece 600 are vertically limited by the setting of the stepped structure, so as to further ensure the collector pole piece 500 and the repelling pole piece 600. The stability of the separation distance between.

Optionally, the above-mentioned stepped structure may be a two-level structure, a three-level structure, or a five-level structure, etc., which is not limited in this embodiment of the present application.

In a possible implementation manner, the collector insulating support 300 is provided with a first through hole 330 , and the collector piece 500 is connected to the collector base 100 through the first through hole 330 ; and/or, the repeller insulating support 400 A second through hole 430 is formed thereon, and the repeller pole piece 600 is connected to the repeller pole base 200 through the second through hole 430 .

In the above implementation process, the collector pole piece 500 and the collector pole base 100 are connected by opening the first through hole 330 on the collector pole insulating support 300 , and the repelling pole piece is realized by opening the second through hole 430 on the repeller pole pole insulating support 400 The connection between 600 and the repeller base 200 is simple in structure and convenient in disassembly and assembly. At the same time, the first through hole 330 can also limit the position of the collector pole piece 500 , and the second through hole 430 can also limit the position of the repelling pole piece 600 , that is, the collector insulating bracket 300 can cooperate with the first installation through the first through hole 330 The position of the collector pole piece 500 and the repeller pole piece 600 is defined by the part 310 , and the repellent pole insulating bracket 400 defines the position of the collector pole piece 500 and the repeller pole piece 600 through the second through hole 430 and the second installation part 410 , thereby realizing the matching of the collector pole piece 500 and the repeller pole piece 600 . The positions of the two ends of the repeller pole piece 600 and the collector pole piece 500 are limited, thereby ensuring the space between the repeller pole piece 600 and the collector pole piece 500, and improving the purification efficiency of the air purifier.

In a possible implementation manner, the collector insulating support 300 is detachably connected to the collector base 100 ; and/or the repeller insulating support 400 is detachably connected to the repeller base 200 .

In the above implementation process, the collector insulating support 300 is detachably connected with the collector base 100, and the repeller insulating support 400 is detachably connected with the repeller base 200, which can ensure the firmness of the connection between the insulating support and the base, and further ensure The stability of the entire dust collecting impeller structure.

In some embodiments, the collector insulating support 300 and the collector base 100 are not connected, the repeller insulating support 400 and the repeller base 200 are not connected, but the collector pieces 500 and the repeller insulating support 400 and The bidirectional connection between the collector piece 500 and the collector insulating support 300 realizes the bonding between the base and the insulating support.

In the second aspect, the embodiment of the present application also provides an air purifier, please refer to FIG. 4 and FIG. 5 , FIG. 4 is an exploded structural diagram of an air purifier provided by the embodiment of the present application; FIG. 5 is the embodiment of the present application. The example provides an assembly structure diagram of an air purifier. The air purifier includes the dust collecting impeller of the air purifier in any of the above embodiments.

In a possible implementation, the above air purifier further includes a casing 710, a top cover 720, a generator assembly 730, a fan 740 and an annular guide 750, and the casing 710 is sleeved outside the dust collecting impeller; the top cover The plate 720 is covered on one end of the dust collecting impeller and connected to the casing 710. The top cover plate 720 is provided with an air inlet; the generator assembly 730 is connected to the top cover 720 and is located in the air inlet; the fan 740 is arranged in the dust collector The impeller is installed in the casing 710; one end of the annular guide member 750 is disposed on the top cover plate 720, and the other end extends away from the top cover plate 720 and extends between the fan 740 and the dust collecting impeller.

In the above implementation process, the annular guide member 750 is provided on the top cover plate 720, and the annular guide member 750 extends between the fan 740 and the dust collecting impeller. It is directly guided to the inner cavity of the dust collecting impeller, and will not flow outwards directly in the circumferential direction without the dust collecting impeller, which ensures the accuracy of the air flow direction, avoids the blowing wind, and reduces the noise caused by the blowing wind.

In a possible implementation manner, the annular guide member 750 and the collector base 100 are provided with a sealing ring to seal the annular guide member 750 and the dust collecting impeller.

In the above implementation process, a sealing ring is arranged between the annular guide member 750 and the collector base 100 to avoid air being emitted without the dust collecting impeller due to the gap between the annular guide member 750 and the collector base 100 Improve the purification efficiency of the air purifier.

The above descriptions are merely examples of the present application, and are not intended to limit the protection scope of the present application. For those skilled in the art, various modifications and changes may be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Claims

A dust-collecting impeller for an air purifier, characterized in that it includes:

an annular collector base and an annular repeller base, the collector base and the repeller base are arranged oppositely;

a collector insulating support, which is arranged on the side of the collector base opposite to the repeller base;

A repeller insulating support, which is arranged on the side of the repeller base opposite to the collector base;

A plurality of collector pieces arranged at intervals in the circumferential direction, one end is fixedly connected to the collector base, and the other end is mounted on the repeller insulating support;

A plurality of circumferentially spaced repelling pole pieces, one end is fixedly connected to the repelling pole base, and the other end is mounted on the collector insulating support;

The repelling pole pieces and the collecting pole pieces are alternately distributed, the outer diameter of the dust collecting impeller is less than 100 mm, and the spacing distance between the adjacent repelling pole pieces and the collecting pole pieces is 4-6 mm.
The dust-collecting impeller of an air purifier according to claim 1, wherein a first mounting portion is provided on the insulating support for the collector, and the other end of the repeller is detachably mounted on the first mounting. Department; and/or,

The repeller insulating support is provided with a second mounting portion, and the other end of the collector piece is detachably mounted on the second mounting portion.
The dust collecting impeller of an air purifier according to claim 2, wherein a first installation groove is formed on the first installation part, and the other end of the repelling pole piece is inserted into the first installation groove ;and / or,

The second installation part is provided with a second installation groove, and the other end of the collector piece is inserted into the second installation groove.
The dust collecting impeller of an air purifier according to claim 3, wherein a first positioning protrusion is provided on the inner wall of the first installation groove, and a first positioning protrusion is provided on the repelling pole piece. and/or,

The inner wall of the second installation groove is provided with a second positioning protrusion, and the collector pole piece is provided with a second positioning groove adapted to the second positioning protrusion.
The dust collecting impeller of an air purifier according to claim 3, wherein the first installation groove is a stepped groove structure, and the other end of the repelling pole piece is a stepped end structure matched with the stepped groove; and / or,

The second installation groove is a stepped groove structure, and the other end of the collector piece is a stepped end structure matched with the stepped groove.
The dust-collecting impeller of an air purifier according to any one of claims 1-5, wherein a first through hole is formed on the collector insulating support, and the collector piece passes through the first through hole. The through hole is connected to the collector base; and/or,

The repeller insulating support is provided with a second through hole, and the repeller piece is connected to the repeller base through the second through hole.
The dust collecting impeller of an air purifier according to any one of claims 1-5, wherein the collector insulating support is detachably connected to the collector base; and/or,

The repeller insulating support is detachably connected to the repeller base.
An air purifier, characterized in that it comprises the dust collecting impeller of the air purifier according to any one of claims 1-6.
The air purifier of claim 8, further comprising:

a casing, sleeved outside the dust-collecting impeller;

a top cover plate, which is covered on one end of the dust collecting impeller and connected to the casing, and an air inlet is opened on the top cover plate;

a generator assembly, connected to the top cover plate and located in the air inlet;

a fan, arranged in the dust-collecting impeller and mounted on the housing;

One end of the annular guide member is arranged on the top cover plate, and the other end extends away from the top cover plate and extends between the fan and the dust collecting impeller.
The air purifier according to claim 9, wherein a sealing ring is provided on the annular guide member and the collector base to seal the annular guide member and the dust collecting impeller.