CN104613563B

CN104613563B - Dust collection assembly, air purification device and air conditioner

Info

Publication number: CN104613563B
Application number: CN201410713668.0A
Authority: CN
Inventors: 张敏; 游斌; 易正清; 田镇龙; 陈良锐
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2014-09-30
Filing date: 2014-11-28
Publication date: 2022-04-12
Anticipated expiration: 2034-11-28
Also published as: CN104613563A

Abstract

The invention discloses a dust collecting assembly, an air purifying device and an air conditioner. Wherein, dust collection assembly includes: the first annular ring is provided with a first outer ring and a plurality of first blades arranged on the inner surface of the first outer ring along the circumferential direction; the second annular ring is provided with a second outer ring and a plurality of second blades arranged on the inner surface of the second outer ring along the circumferential direction, the second annular ring is arranged below the first annular ring, and the plurality of second blades and the plurality of first blades are arranged in a staggered mode in the circumferential direction; an insulating spacer assembly disposed between and spacing the first and second annular rings. According to the dust collecting assembly provided by the invention, the plurality of second blades and the plurality of first blades are staggered in the circumferential direction, so that a plurality of high-voltage direct-current electric fields can be formed between the first annular ring and the second annular ring, and the dust removal efficiency of the dust collecting assembly is improved.

Description

Dust collection assembly, air purification device and air conditioner

Technical Field

The invention relates to the technical field of household appliances, in particular to a dust collection assembly, an air purification device and an air conditioner.

Background

Along with the increase of industrial development, urban construction and automobile usage, dust in outdoor environment increases, air pollution is intensified, and indoor air is also deteriorated due to outdoor air pollution. On the other hand, decoration and smoking are also important causes of the accumulation of harmful particles in the indoor air. With the improvement of living standard, people's health consciousness is increasingly strengthened, higher requirements are put forward to indoor air quality, and air conditioners with PM2.5 removing and purifying functions are more and more favored by consumers.

At present, the traditional air purification device is mainly a compact HEPA filter screen, and particulate matters in airflow are blocked by the compact screen so as to be adsorbed when passing through the compact screen. The compact net has the defects that meshes are easy to block, need to be replaced frequently, and has large resistance loss, and a purification product matched with the net has large motor load, increased power consumption, high noise and the like.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the invention needs to provide a dust collecting assembly which has the advantages of low noise and high dust removal efficiency.

The invention also provides an air purification device, which is provided with the dust collection assembly.

The invention also provides an air conditioner, which is provided with the dust collecting component.

According to a first aspect of the present invention there is provided a dust collection assembly comprising: a first annular ring having a first outer ring and a plurality of first blades circumferentially disposed on an inner surface of the first outer ring, the first annular ring having a first electrical connection adapted to connect to one of a positive pole and a negative pole of a power source; a second annular ring having a second outer ring and a plurality of second blades circumferentially disposed on an inner surface of the second outer ring, the second annular ring being disposed below the first annular ring and the plurality of second blades being circumferentially staggered from the plurality of first blades, the second annular ring having a second electrical connection adapted to connect to the other of the positive and negative poles of the power supply; an insulating spacer assembly disposed between and spacing the first and second annular rings.

According to the dust collecting assembly provided by the invention, the plurality of second blades and the plurality of first blades are staggered in the circumferential direction, so that a plurality of high-voltage direct-current electric fields can be formed between the first annular ring and the second annular ring, and the dust removal efficiency of the dust collecting assembly is improved. In addition, the plurality of first blades and the plurality of second blades have a rectifying effect on the airflow passing through the dust collecting assembly, so that the uniformity of the airflow is enhanced, the air inlet pressure and the resistance during flowing of the airflow are reduced, and the noise generated during flowing of the airflow is reduced.

According to one embodiment of the invention, the shortest distance between the first annular ring and the second annular ring is greater than or equal to 2 mm.

Preferably, the first blade and the second blade which are adjacent to each other are spaced apart by a distance of 2-40 mm.

Optionally, the thickness of the first blade in the circumferential direction of the first annular ring is greater than 0.5mm, and the width in the axial direction of the first annular ring is greater than 5 mm; the thickness of the second blade along the circumferential direction of the second annular ring is greater than 0.5mm, and the width along the axial direction of the second annular ring is greater than 5 mm.

In one embodiment of the invention, the first outer ring is attached to the upper end of the first blade.

Preferably, the first outer ring is connected to an upper end of a radially outer side of the first blade, and an upper surface of the radially outer side of the first blade is higher than an upper surface of a radially inner side thereof.

According to one embodiment of the invention, the first annular ring further comprises: a first inner ring connected radially inward of the plurality of first blades.

Further, the first annular ring further comprises: the first reinforcing ring is connected to the inner surface of the first inner ring through a plurality of first reinforcing ribs distributed along the circumferential direction.

According to some embodiments of the invention, a radially outer lower surface of the second blade is higher than a radially inner lower surface thereof.

Further, the second annular ring further comprises: a second inner ring connected to a lower end of a radially inner side of the plurality of second blades.

Still further, the second annular ring further comprises: and the second reinforcing ring is connected to the inner surface of the second inner ring through a plurality of second reinforcing ribs distributed along the circumferential direction.

In one embodiment of the invention, the insulating spacer assembly comprises: at least one first insulating clip mounted on the first and second outer races to connect the first and second outer races in spaced relation.

Further, be equipped with the reference column on the perisporium of second outer lane, first insulation buckle includes: a first body having a height of 2mm or more; the at least two first clamping feet extend downwards from the lower end of the first body and are sleeved outside the positioning column so as to connect the first body with the second outer ring; the first clamping hook extends upwards from the upper end of the first body and is buckled with the edge of the first outer ring to connect the first body with the first outer ring.

Preferably, the positioning column is arranged at the intersection of the second outer ring and one of the second blades.

Preferably, the outer side surface of the first body, which is far away from the center of the first outer ring, is formed into an arc-shaped surface, and the number of the first clamping feet is three, wherein one of the first clamping feet is clamped to the outer side of the second outer ring, and the outer surface of the first clamping foot is flush with the arc-shaped surface.

According to some embodiments of the invention, the first annular ring further comprises a first connection terminal provided radially outside the first outer ring, the first electrical connection being provided on the first connection terminal; the second annular ring further comprises a second connecting terminal, the second connecting terminal is arranged on the radial outer side of the second outer ring and corresponds to the first connecting terminal up and down, and a second electric connecting piece is arranged on the second connecting terminal; insulating interval subassembly still includes the insulating buckle of second, the insulating buckle of second is established first connecting terminal with between the second connecting terminal.

Optionally, the first connection terminal has a first engaging hole, and an elastic buckle extends downwards from a lower surface of the first connection terminal; the second connecting terminal is provided with a second clamping hole; the second insulating buckle includes: the second body is hollow, the height of the second body is more than or equal to 2mm, the top of the second body is provided with an opening, the bottom of the second body is open, the elastic buckle penetrates through the opening and extends into the second body in a clamping mode, second clamping pins extend outwards from two opposite sides of the outer surface of the second body, and the second clamping pins are abutted to the upper surface of the second connecting terminal; the second clamping hook extends downwards from the side wall of the second body between the two clamping pins to penetrate through the second clamping hole and then is clamped to the bottom surface of the second connecting terminal, and the second clamping hook is abutted to the lower surface of the second connecting terminal; the boss extends upwards from the top of the second body and penetrates through the first clamping hole.

Preferably, the outer diameter of the first outer ring is equal to or less than the outer diameter of the second outer ring.

Preferably, at least one of the first annular ring and the second annular ring is a high internal resistance annular ring having a surface resistivity of from 6 to 12 of 10.

According to a second aspect of the present invention, there is provided an air cleaning device comprising: the dust collecting assembly described above; the air guide piece is formed into an annular shape and is sleeved outside the dust collection assembly, and the outer diameter of the upper end of the air guide piece is larger than that of the lower end of the air guide piece.

According to the air purification device provided by the invention, the plurality of second blades and the plurality of first blades are staggered in the circumferential direction, so that a plurality of high-voltage direct-current electric fields can be formed between the first annular ring and the second annular ring, and the dust removal efficiency of the dust collection assembly is improved. In addition, the plurality of first blades and the plurality of second blades have a rectifying effect on the airflow passing through the dust collecting assembly, so that the uniformity of the airflow is enhanced, the air inlet pressure and the resistance during flowing of the airflow are reduced, and the noise generated during flowing of the airflow is reduced.

Optionally, the air guide is connected with the second outer ring of the dust collection assembly.

According to an embodiment of the present invention, the air guide member has a third hook, the second outer ring extends outward to form a third connection terminal, and the third connection terminal has a step surface matching with the third hook.

Optionally, the third connection terminal has a notch portion penetrating therethrough in an up-down direction, a bending plate extending downward and then bending upward is disposed on an inner wall of the notch portion, and the step surface is disposed on an outer side surface of the bending plate.

Optionally, the air guide further has a first extending plate extending upward, and the first extending plate is fitted in the notch portion and spaced apart from the bending plate.

Preferably, the air guide piece is further provided with a second extending plate extending upwards, and the second extending plate and the first extending plate jointly define a containing groove for containing the outer end of the third connecting terminal.

According to a third aspect of the present invention, there is provided an air conditioner comprising: the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air duct which is provided with an air inlet and an air outlet; and the dust collecting component is arranged in the air duct and is positioned at a position adjacent to the air inlet or the air outlet.

Further, the air conditioner also comprises a negative ion emission ionization device arranged in the air duct.

According to the air conditioner, the plurality of second blades and the plurality of first blades are staggered in the circumferential direction, so that a plurality of high-voltage direct-current electric fields can be formed between the first annular ring and the second annular ring, and the dust removal efficiency of the dust collection assembly is improved. In addition, the plurality of first blades and the plurality of second blades have a rectifying effect on the airflow passing through the dust collecting assembly, so that the uniformity of the airflow is enhanced, the air inlet pressure and the resistance during flowing of the airflow are reduced, and the noise generated during flowing of the airflow is reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic perspective view of a dust collection assembly according to one embodiment of the present invention;

FIG. 2 is a schematic view of the dust collection assembly of FIG. 1 connected to a high voltage power supply;

fig. 3 is a schematic perspective view of an air cleaning apparatus according to an embodiment of the present invention;

FIG. 4 is an exploded perspective view of the air purification apparatus of FIG. 3;

FIG. 5 is a perspective view of the first annular ring of FIG. 4;

FIGS. 6 and 7 are front and right side views of the first annular ring of FIG. 5;

FIG. 8 is a cross-sectional view taken along line M-M of FIG. 6;

FIGS. 9 and 10 are enlarged partial schematic views at A, B in FIG. 5;

FIG. 11 is a perspective view of the second annular ring of FIG. 4;

FIGS. 12 and 13 are front and right side views of the second annular ring of FIG. 11;

FIG. 14 is a cross-sectional view taken along the direction N-N in FIG. 12;

FIG. 15 is an enlarged partial schematic view at C of FIG. 11;

FIG. 16 is an enlarged partial schematic view of FIG. 11;

FIGS. 17 and 18 are enlarged partial schematic views at D, E in FIG. 3;

FIGS. 19 and 20 are enlarged partial views of the first insulating clip of FIG. 1 engaging the first and second annular rings;

FIG. 21 is an enlarged partial schematic view at F of FIG. 4;

FIG. 22 is a perspective view of the first insulating clip of FIG. 4;

23-25 are front, left and top views of the first insulating clasp of FIG. 22;

FIGS. 26 and 27 are cross-sectional views taken along line P-P, T-T in FIG. 23;

FIG. 28 is a perspective view of the second insulating clip of FIG. 4;

FIG. 29 is an enlarged partial schematic view at G of FIG. 3;

fig. 30 is a partially enlarged schematic view of a portion where the third connection terminal is engaged with the air guide in fig. 3;

FIG. 31 is a cross-sectional view taken along the X-X direction in FIG. 30;

FIG. 32 is an enlarged partial schematic view at H in FIG. 3;

fig. 33 is a partially enlarged schematic view of the third connection terminal and the air guide at another view angle in fig. 32; fig. 34 is a cross-sectional view taken along the Y-Y direction in fig. 33.

Reference numerals:

the dust collection assembly 100 is provided with a dust collection assembly,

the first annular ring 110 is formed in a first annular ring,

first outer band 111, first blades 112, first electrical connection 113, first inner band 114,

the first reinforcing ring 115, the first reinforcing bead 116,

a first connection terminal 117, a first engaging hole 1171, an elastic catch 1172,

the second annular ring 120 is formed of a second annular ring,

the second outer ring 121, the positioning post 1211,

a second blade 122, a second electrical connector 123, a second inner ring 124, a second reinforcing ring 125,

the second reinforcing rib 126, the second connecting terminal 127, the second engaging hole 1271,

a third connection terminal 128, a step surface 1281, a cut 1282, a bent plate 1283,

the insulating spacer members 130 are formed in a single piece,

the first insulating clip 131, the first body 1311, the first engaging pin 1312,

the first hook 1313 is provided at the first side,

a second insulating clip 132, a second body 1321, a second clip 1322,

a second catch 1323, a boss 1324,

the air-cleaning device (200) is provided with,

the air guide member 220 is provided with a plurality of air guide members,

a first wind-guiding ring 221, a second wind-guiding ring 222,

a third hook 223, a plate 2231, a hook projection 2232,

the first extension plate 224, the second extension plate 225, the receiving groove 226,

a high voltage power supply 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A dust collection assembly 100 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 34.

As shown in fig. 1 to 4, a dust collection assembly 100 according to an embodiment of the present invention includes: a first annular ring 110, a second annular ring 120, and an insulating spacer assembly 130. Wherein, as shown in fig. 2, the dust collection assembly 100 can be connected to a high voltage power supply 500 during use, a high potential terminal of the high voltage power supply 500 is electrically connected to one of the first and second

annular rings

110 and 120, and a low potential terminal of the high voltage power supply 500 is electrically connected to the other. For example, in one example of the present invention, the high potential terminal is electrically connected to the first annular ring 110 through a first electrical connection 113, and the low potential terminal is electrically connected to the second annular ring 120 through a second electrical connection 123. After the first annular ring 110 and the second annular ring 120 are connected with the high-voltage power supply 500, a high-voltage direct-current electric field is formed between any two adjacent surfaces on the first annular ring 110 and the second annular ring 120 which are spaced apart.

It should be noted that the high voltage direct current electric field ionizes gas molecules in the air to generate a large amount of electrons and ions, the electrons and the ions move towards the two poles under the action of the electric field force, and the charged particles touch dust particles and bacteria in the air flow to charge the dust particles and the bacteria in the air flow in the moving process, and the charged particles move towards the opposite pole plate with the air flow under the action of the electric field force. Under the action of the electric field, free ions in the air move towards the two poles, and the higher the voltage and the higher the electric field strength, the faster the movement speed of the ions is. As a result of the movement of the ions, a current is formed between the electrodes. At the beginning, there are fewer free ions in the air and less current. When the voltage rises to a certain value, ions near the discharge electrode obtain higher energy and speed, and when the ions strike neutral atoms in the air, the neutral atoms are decomposed into positive and negative ions, and the phenomenon is called air ionization. After the air is ionized, a chain reaction is generated, so that the number of ions moving between electrodes is greatly increased, and the current (called as corona current) between the electrodes is rapidly increased, therefore, the air becomes a conductor, high-voltage captures attached bacterial particles, and the cell walls composed of proteins are instantaneously conductively punctured, thereby achieving the purposes of killing bacteria, adsorbing and removing dust.

Specifically, the first annular ring 110 has a first outer ring 111 and a plurality of first blades 112 circumferentially provided on an inner surface of the first outer ring 111. Optionally, first blades 112 are sheet-like and extend in a radial direction of first outer ring 111. The second annular ring 120 has a second outer ring 121 and a plurality of second blades 122 circumferentially provided on an inner surface of the second outer ring 121. As shown in fig. 1-4, the second annular ring 120 is disposed below the first annular ring 110, and the plurality of second blades 122 are circumferentially staggered from the plurality of first blades 112. Thus, a plurality of high voltage dc electric fields can be formed between the first and second

annular rings

110 and 120, thereby improving dust removal efficiency of the dust collection assembly 100.

In addition, an airflow channel is formed between the adjacent first blades 112 and second blades 122, and the first blades 112 and second blades 122 which are staggered in the circumferential direction have a rectifying effect on the airflow passing through the dust collection assembly 100, so that the uniformity of the airflow is enhanced, the air inlet pressure and the resistance during flowing of the airflow are further reduced, and the noise generated during flowing of the airflow is further reduced.

The first annular ring 110 has a first electrical connection 113 adapted to be connected to one of the positive and negative poles of an electrical power supply, and the second annular ring 120 has a second electrical connection 123 adapted to be connected to the other of the positive and negative poles of the electrical power supply. Thereby, a reliable connection of the first and second

annular rings

110, 120 to the high voltage power supply 500 may be ensured by the first and second

electrical connections

113, 123. When the dust collecting assembly 100 is connected to the high voltage power supply 500, dust, particles, etc. in the air flow passing between the first annular ring 110 and the second annular ring 120 will be captured by the high voltage dc electric field and adsorbed onto the surface of the first annular ring 110 or the second annular ring 120, thereby achieving the purpose of dust removal.

An insulating spacer assembly 130 is disposed between the first and second

annular rings

110, 120 and disposes the first and second

annular rings

110, 120 in a spaced apart relationship. In other words, insulating spacer assembly 130 is supported between first annular ring 110 and second annular ring 120 such that any point on first annular ring 110 is not in direct contact with second annular ring 120. Therefore, when the dust collecting assembly 100 is in use, a high-voltage electric field is formed between the adjacent surfaces of the first annular ring 110 and the second annular ring 120, and the effects of dust collection and sterilization of the dust collecting assembly 100 are further achieved. Preferably, the insulating spacer assembly 130 is removably coupled to both the first annular ring 110 and the second annular ring 120, thereby facilitating a user to wipe and clean the dirt collection assembly 100 when the dirt collection assembly 100 requires cleaning.

According to the dust collection assembly 100 of the embodiment of the invention, a plurality of high voltage direct current electric fields can be formed between the first annular ring 110 and the second annular ring 120 by staggering the plurality of second blades 122 and the plurality of first blades 112 in the circumferential direction, so that the dust removal efficiency of the dust collection assembly 100 is improved. In addition, the plurality of first blades 112 and the plurality of second blades 122 have a rectifying effect on the air flow passing through the dust collection assembly 100, thereby enhancing uniformity of the air flow, and further reducing an intake pressure and resistance of the air flow when flowing, thereby reducing noise generated when the air flow flows.

According to one embodiment of the present invention, the shortest distance between the first annular ring 110 and the second annular ring 120 is 2mm or more. In other words, the distance between any point on the first annular ring 110 and the second annular ring 120 is greater than or equal to 2 mm. Therefore, the phenomenon that air is punctured, discharged or short-circuited in the using process of the dust collection assembly 100 can be effectively prevented, so that the working stability of the dust collection assembly 100 is improved, and the safety factor and the dust removal effect of the dust collection assembly 100 are ensured. Preferably, adjacent first blades 112 and second blades 122 are spaced apart by a distance of 2-40 mm. Therefore, the phenomena of air breakdown and discharge of the dust collection assembly 100 in the using process can be further prevented, so that the working stability of the dust collection assembly 100 is further improved, and the safety factor and the dust removal effect of the dust collection assembly 100 are ensured.

In an alternative example of the invention, as shown in fig. 6, the thickness of the first blades 112 in the circumferential direction of the first annular ring 110 is greater than 0.5mm, i.e. d1 > 0.5 mm. As shown in fig. 8, the width of the first vane 112 in the axial direction of the first annular ring 110 is greater than 5mm, i.e., h1 > 5 mm. As shown in fig. 12, the thickness of the second blade 122 in the circumferential direction of the second annular ring 120 is greater than 0.5mm, i.e., d2 > 0.5 mm. As shown in fig. 14, the width of the second blades 122 in the axial direction of the second annular ring 120 is greater than 5mm, i.e., h2 > 5 mm. Therefore, the purification effect of the dust collection assembly 100 can be ensured, the purification efficiency of the dust collection assembly 100 is improved, and the structure of the dust collection assembly 100 is simplified, so that the structure of the dust collection assembly 100 is more compact and reasonable.

In order to secure the first outer ring 111 and the second annular ring 120 to be spaced apart from each other in consideration of the fact that the first annular ring 110 is located above the second annular ring 120, in the example shown in fig. 5, the first outer ring 111 is connected to the upper ends (in the up-down direction shown in fig. 5) of the first blades 112, whereby the structure of the dust collection assembly 100 can be made more compact and reasonable.

Further, as shown in fig. 5, 6, 8, and 10, first outer ring 111 is connected to the upper end of the radially outer side of first blade 112, and the upper surface of the radially outer side of first blade 112 is higher than the upper surface of the radially inner side thereof. In other words, in the axial direction of the first annular ring 110, the width of the radially outer side of the first blades 112 is larger than the width of the radially inner side thereof. Thereby, the compactness of the dust collection assembly 100 is further improved. Further, in the example shown in fig. 5 and 7, the lower surfaces of the first plurality of blades 112 are all flush and located on the same plane. Thus, the structure of the dust collection assembly 100 can be more neat and compact.

In the example shown in fig. 5-10, the first annular ring 110 may further include: a first inner collar 114. Wherein first inner race 114 is coupled radially inward of the plurality of first blades 112. Thereby, the structure of the first annular ring 110 can be made more stable. Further, as shown in fig. 5 to 6, the first annular ring 110 further includes: a first reinforcing ring 115. Wherein the first reinforcing ring 115 is connected to the inner surface of the first inner ring 114 by a plurality of first reinforcing ribs 116 distributed in the circumferential direction. Thereby, the structural strength of the first annular ring 110 can be further enhanced.

Likewise, in the example shown in fig. 11-15, the radially outer lower surface of the second blade 122 is higher than the radially inner lower surface thereof. In other words, in the axial direction of the second annular ring 120, the width of the radially outer side of the second blades 122 is larger than the width of the radially inner side thereof. The second outer race 121 is connected radially outward of the second blades 122. When the second annular ring 120 is matched with the first annular ring 110, the area of the first blade 112 and the second blade 122 which are adjacent to each other can be further increased, and the area of the high-voltage direct-current electric field formed between the first blade 112 and the second blade 122 which are adjacent to each other is increased, so that the dust removal efficiency of the dust collection assembly 100 can be improved. At the same time, the compactness of the dust collection assembly 100 may be further improved. Further, in the example shown in fig. 5 and 7, the upper surfaces of the plurality of second blades 122 are all flush and located on the same plane. Thus, the structure of the dust collection assembly 100 can be more neat and compact.

In the example shown in fig. 11-15, the second annular ring 120 may further include: and a second inner race 124. Wherein the second inner race 124 is connected to the lower ends of the plurality of second blades 122 on the radially inner side. Thereby, the structure of the second annular ring 120 can be made more stable. Further, as shown in fig. 11-15, the second annular ring 120 may further include: and a second reinforcing ring 125. Wherein the second reinforcing ring 125 is connected to the inner surface of the second inner ring 124 by a plurality of second reinforcing ribs 126 distributed along the circumferential direction. Thereby, the structural strength of the second annular ring 120 can be further enhanced.

It should be noted that, in an example of the present invention, any two adjacent surfaces of the first annular ring 110 are in smooth transition, and any two adjacent surfaces of the second annular ring 120 are in smooth transition, so that the occurrence of the point discharge on the first annular ring 110 or the second annular ring 120 can be effectively avoided, and further, the safety of the dust collecting assembly 100 is improved, and the usability of the dust collecting assembly 100 is enhanced.

As shown in fig. 4, 17-27, according to one embodiment of the present invention, the insulating spacer assembly 130 includes: at least one first insulating clip 131. Wherein the first insulating snap 131 is mounted on the first outer ring 111 and the second outer ring 121 to connect the first outer ring 111 and the second outer ring 121 at a spacing. Therefore, a certain distance can be kept between any point on the first annular ring 110 and the second annular ring 120, and further, when the dust collection assembly 100 is in a working state, air between the first annular ring 110 and the second annular ring 120 is not punctured and does not discharge, so that the stability and the safety of the dust collection assembly 100 are ensured. In addition, the first outer ring 111 and the second outer ring 121 are connected with a space by the first insulating snap 131, so that the assembly process of the dust collection assembly 100 is simplified, the assembly efficiency is improved, and the production cost is reduced.

In the example shown in fig. 11-13, the peripheral wall of the second outer ring 121 is provided with a positioning post 1211, so that the first insulating clip 131 is connected to the second outer ring 121. In addition, as shown in fig. 22 to 26, the first insulating clip 131 includes: the first body 1311, at least two first engaging legs 1312, and a first hook 1313. Wherein, in the up-down direction (up-down direction as shown in fig. 22), the first body 1311 has a height of 2mm or more. Therefore, the distance between the first outer ring 111 and the second outer ring 121 can be ensured to be greater than or equal to 2mm, and the phenomena that air is punctured and discharged between the first outer ring 111 and the second outer ring 121 are prevented. Meanwhile, the injury caused by the fact that fingers extend between the first blade 112 and the second blade 122 by mistake can also be avoided.

In the example shown in fig. 11, 17-27, at least two first engaging legs 1312 extend downward from the lower end of the first body 1311 and are sleeved outside the positioning pillars 1211 to connect the first body 1311 and the second outer ring 121. As shown in fig. 20 and 26, each first engaging leg 1312 abuts against a lower end surface of the positioning post 1211, so as to define the positioning post 1211 between at least two first engaging legs 1312. To facilitate the connection of the first insulating clip 131 with the first outer ring 111, the first clip 1313 extends upward from the upper end of the first body 1311 and is clipped to the edge of the first outer ring 111 to connect the first body 1311 with the first outer ring 111.

To further improve the connection strength between the first insulating clip 131 and the second annular ring 120, in the example shown in fig. 21, a positioning post 1211 is provided at the intersection of the second outer ring 121 and one of the second blades 122.

Further, as shown in fig. 22, the outer side surface of the first body 1311 away from the center of the first outer ring 111 is formed as an arc surface, and the number of the first engaging legs 1312 includes three, wherein one of the first engaging legs 1312 is engaged with the outer side of the second outer ring 121 and the outer surface thereof is flush with the arc surface. Therefore, the structural strength of the first insulating buckle 131 can be improved, and the structure of the first insulating buckle 131 is more reasonable.

According to an embodiment of the present invention, as shown in fig. 5, 6 and 9, the first annular ring 110 further includes a first connection terminal 117, and the first connection terminal 117 is provided radially outside the first outer ring 111. As shown in fig. 11 to 12, the second annular ring 120 further includes a second connection terminal 127, and the second connection terminal 127 is disposed radially outside the second outer ring 121 and vertically corresponds to the first connection terminal 117. To facilitate the connection of the first and second

annular rings

110, 120 to the high voltage power supply 500, a first electrical connector 113 is provided on the first connection terminal 117 and a second electrical connector 123 is provided on the second connection terminal 127. Further, in order to prevent the first connection terminal 117 from contacting the second connection terminal 127, as shown in fig. 28 to 29, the insulating spacer assembly 130 further includes a second insulating clip 132, and the second insulating clip 132 is disposed between the first connection terminal 117 and the second connection terminal 127.

In the example shown in fig. 5 to 6, 11 to 12, and 28 to 29, in order to facilitate the connection of the second insulating clip 132 with the first connection terminal 117 and the second connection terminal 127, the first connection terminal 117 has a first clip hole 1171 and an elastic clip 1172 is extended downward from a lower surface of the first connection terminal 117, and the second connection terminal 127 has a second clip hole 1271. The second insulating clip 132 includes: a second body 1321, a second hook 1323, and a boss 1324. The second body 1321 has a height greater than or equal to 2mm, so that a distance greater than or equal to 2mm between the first connection terminal 117 and the second connection terminal 127 can be ensured, and phenomena of air breakdown and discharge between the first connection terminal 117 and the second connection terminal 127 can be prevented.

As shown in fig. 28, the second body 1321 is hollow, the top of the second body 1321 has an opening, and the bottom of the second body 1321 is open, and the elastic buckle 1172 extends into and is clamped in the second body 1321 through the opening. The boss 1324 extends upward from the top of the second body 1321 and passes through the first engagement hole 1171. Thereby, the second insulating latch 132 can be surely connected to the first connection terminal 117.

As shown in fig. 28 and 29, the second engaging legs 1322 extend outward from opposite sides of the outer surface of the second body 1321, and the second engaging legs 1322 abut against the upper surface of the second connection terminal 127. The second hook 1323 extends downward from the sidewall of the second body 1321 between the two second engaging legs 1322 to pass through the second engaging hole 1271 and then engage with the bottom surface of the second connection terminal 127, and the second hook 1323 abuts against the lower surface of the second connection terminal 127. By clamping the second clamping leg 1322 and the second clamping hook 1323 in the second clamping hole 1271, the movement of the second insulating clamp 132 along the circumferential direction of the second clamping hole 1271 can be limited; the movement of the second insulating clip 132 in the axial direction of the second engaging hole 1271 may be limited by the second engaging leg 1322 abutting against the upper surface of the second connection terminal 127 and the second hook 1323 abutting against the lower surface of the second connection terminal 127. Thereby, the reliable connection of the second insulating clip 132 and the second connection terminal 127 can be ensured.

To facilitate the assembly of the first annular ring 110 to the second annular ring 120, in the example shown in fig. 1-4, the outer diameter of the first outer ring 111 is equal to or less than the outer diameter of the second outer ring 121.

In addition, in a preferred embodiment of the present invention, at least one of the first and second

annular rings

110 and 120 is a high internal resistance annular ring having a surface resistivity of 6 to 12 of 10, i.e., a surface resistivity of 10⁶-10¹²Ohm-meter. For example, when the first annular ring 110 is a high internal resistance annular ring, the second annular ring 120 may be an annular ring made of a low internal resistance material such as aluminum or copper, and in order to improve the safety performance of the dust collecting assembly 100, the second annular ring 120 is connected to the low potential terminal, and at this time, even if a human body touches the dust collecting assembly 100, the current flowing through the human body is still limited within a safe range due to the connection with the low potential terminal, and will not affect the health of the human body; when the first annular ring 110 and the second annular ring 120 are made of conductive high internal resistance materials, the high internal resistance materials can limit the current on the first annular ring 110 and the second annular ring 120 in a safe range, and after a human body touches the dust collection assembly 100, the human body safety is not damaged, so that the safety of the dust collection assembly 100 is improved. Therefore, a direct-current high-voltage electric field of at least 2000V is formed between the guide vanes of the adjacent first blade 112 and second blade 122, and the dust removal efficiency and the dust removal effect of the dust collection assembly 100 can be further ensured.

The air cleaning apparatus 200 according to an embodiment of the present invention includes: air guide 220 and the dust collecting assembly 100. Wherein, the wind guide 220 is formed into a ring shape and sleeved outside the dust collecting assembly 100, and the outer diameter of the upper end of the wind guide 220 is larger than the outer diameter of the lower end thereof. Therefore, the air flow can be guided to the dust collecting assembly 100, thereby improving the dust removing efficiency of the dust collecting assembly 100 and further improving the working efficiency of the air purifying device 200.

According to the air purification device 200 of the embodiment of the invention, the plurality of high-voltage direct current electric fields can be formed between the first annular ring 110 and the second annular ring 120 by staggering the plurality of second blades 122 and the plurality of first blades 112 in the circumferential direction, so that the dust removal efficiency of the dust collection assembly 100 is improved. In addition, the plurality of first blades 112 and the plurality of second blades 122 have a rectifying effect on the air flow passing through the dust collection assembly 100, thereby enhancing uniformity of the air flow, and further reducing an intake pressure and resistance of the air flow when flowing, thereby reducing noise generated when the air flow flows.

According to some embodiments of the present invention, as shown in fig. 4, the wind guide 220 includes: a first wind-guiding turn 221 and a second wind-guiding turn 222. Specifically, the first wind-guiding ring 221 gradually extends upward along an arc shape from inside to outside in the radial direction. For example, in the example shown in fig. 4, the inner diameter of the first air guiding ring 221 increases from bottom to top (in the vertical direction shown in fig. 4). The second wind-guiding ring 222 is connected to the lower end of the first wind-guiding ring 221, and the upper surface of the second wind-guiding ring 222 is located in the same plane. The dust collecting assembly 100 is at least partially located in the first wind guiding ring 221, and the dust collecting assembly 100 is connected with the second wind guiding ring 222. Accordingly, more air flow can be guided into the dust collection assembly 100, thereby improving the working efficiency of the air cleaning device 200. Alternatively, as shown in fig. 3 to 4, the wind guide 220 is coupled to the second outer ring 121 of the dust collection assembly 100.

In the example shown in fig. 30 to 34, the air guide 220 has a third hook 223, the second outer ring 121 extends outward to form a third connection terminal 128, and the third connection terminal 128 has a step surface 1281 matching with the third hook 223. The third hook 223 abuts against the step surface 1281 to restrict the movement of the third connection terminal 128 in the vertical direction (vertical direction as shown in fig. 34).

As shown in fig. 11, the third connection terminal 128 has a cut-out portion 1282 penetrating therethrough in a vertical direction (vertical direction as shown in fig. 11), and a bent plate 1283 extending downward and then bent upward is provided on an inner wall of the cut-out portion 1282, wherein a stepped surface 1281 is provided on an outer side surface of the bent plate 1283. It is understood that the bending plate 1283 has elasticity in a radial direction of the second outer ring 121, and the third hooks 223 include a plate body 2231 extending upward in an axial direction of the air guide 220 and hook protrusions 2232 located at an upper end of the plate body 2231 and protruding toward the bending plate 1283. During the assembly, can install third connecting terminal 128 from top to bottom, the lower part of step surface 1281 offsets with the protruding 2232 of trip of third trip 223 earlier, and bending plate 1283 takes place to deform towards the radial inward direction of second outer lane 121 earlier, and when step surface 1281 offsets with the protruding lower terminal surface of 2232 of trip, bending plate 1283 recovers towards the radial outward direction of second outer lane 121 again. At this time, the hooking protrusion 2232 is engaged with the bending plate 1283. Therefore, the assembling process of the air guide 220 and the dust collection assembly 100 is simplified, and the connection reliability of the air guide 220 and the dust collection assembly 100 is improved.

Further, as shown in fig. 4, the air guide 220 further has a first extending plate 224 extending upward, and the first extending plate 224 is fitted in the notch 1282 and spaced apart from the bent plate 1283 to limit the movement of the third connecting terminal 128 in the circumferential direction of the air guide 220. Further, as shown in fig. 4 and 32, the air guide 220 further has a second extending plate 225 extending upward, and the second extending plate 225 and the first extending plate 224 together define a receiving groove 226 for receiving an outer end of the third connection terminal 128. This can further improve the reliability of connection between the third connection terminal 128 and the air guide 220.

An air conditioner (not shown) according to an embodiment of the present invention includes: a housing and the dust collection assembly 100 described above. Specifically, the housing has a duct to define a path of an air flow through the air conditioner. It will be appreciated that the location of the air duct is not particularly limited, for example, the air duct may be located within the housing. The air duct is provided with an air inlet and an air outlet, and the air flow enters the air duct from the air inlet and is discharged out of the air duct from the air outlet. The dust collecting assembly 100 is disposed in the air duct to purify and remove dust from the air flow entering the air duct. To facilitate cleaning of dust collection assembly 100 by a user, dust collection assembly 100 is positioned adjacent to an air inlet or outlet, taking into account that dust collection assembly 100 requires periodic cleaning. Preferably, the dust collection assembly 100 is positioned adjacent to the air intake opening. From this, can purify the dust removal earlier to the air current that enters into in the wind channel to prevent that particulate matters such as dust from piling up inside the wind channel, the user of being inconvenient in washs.

According to the air conditioner of the embodiment of the invention, by arranging the plurality of second blades 122 and the plurality of first blades 112 in a staggered manner in the circumferential direction, a plurality of high-voltage direct-current electric fields can be formed between the first annular ring 110 and the second annular ring 120, and the dust removal efficiency of the dust collection assembly 100 is improved. In addition, the plurality of first blades 112 and the plurality of second blades 122 have a rectifying effect on the air flow passing through the dust collection assembly 100, thereby enhancing uniformity of the air flow, and further reducing an intake pressure and resistance of the air flow when flowing, thereby reducing noise generated when the air flow flows.

To further improve the purification efficiency of the air conditioner, the air conditioner may further include a negative ion emission ionization device (not shown) disposed in the air duct. The negative ion emission ionization device can pre-charge the air flow to make part of dust particles in the air flow charged with negative electricity. The negatively charged dust particles can be rapidly captured by the high voltage dc electric field when passing through the dust collecting assembly 100 with the air flow, thereby further improving the dust removal effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A dirt collection assembly, comprising:

a first annular ring having a first outer ring and a plurality of first blades circumferentially disposed on an inner surface of the first outer ring, the first annular ring having a first electrical connection adapted to connect to one of a positive pole and a negative pole of a power source;

a second annular ring having a second outer ring and a plurality of second blades circumferentially disposed on an inner surface of the second outer ring, the second annular ring being disposed below the first annular ring and the plurality of second blades being circumferentially staggered from the plurality of first blades, the second annular ring having a second electrical connection adapted to connect to the other of the positive and negative poles of the power supply;

an insulating spacer assembly disposed between and spacing the first and second annular rings;

the insulating spacer assembly includes:

at least one first insulating clip mounted on the first and second outer races to connect the first and second outer races in spaced relation;

be equipped with the reference column on the perisporium of second outer lane, first insulation buckle includes:

a first body having a height of 2mm or more;

the at least two first clamping feet extend downwards from the lower end of the first body and are sleeved outside the positioning column so as to connect the first body with the second outer ring;

the first clamping hook extends upwards from the upper end of the first body and is buckled with the edge of the first outer ring to connect the first body with the first outer ring.

2. The dirt collection assembly of claim 1, wherein a shortest distance between the first annular ring and the second annular ring is greater than or equal to 2 mm.

3. The dirt collection assembly of claim 2, wherein adjacent first and second vanes are spaced apart a distance of 2-40 mm.

4. The dirt collection assembly of claim 2, wherein the first vanes have a thickness in a circumferential direction of the first annular ring of greater than 0.5mm and a width in an axial direction of the first annular ring of greater than 5 mm;

the thickness of the second blade along the circumferential direction of the second annular ring is greater than 0.5mm, and the width along the axial direction of the second annular ring is greater than 5 mm.

5. The dirt collection assembly of claim 1, wherein the first outer race is attached to an upper end of the first blade.

6. The dirt collection assembly of claim 5, wherein said first outer race is connected to a radially outer upper end of said first blade, said radially outer upper surface of said first blade being higher than said radially inner upper surface thereof.

7. The dirt collection assembly of claim 6, wherein the first annular ring further comprises:

a first inner ring connected radially inward of the plurality of first blades.

8. The dirt collection assembly of claim 7, wherein the first annular ring further comprises:

the first reinforcing ring is connected to the inner surface of the first inner ring through a plurality of first reinforcing ribs distributed along the circumferential direction.

9. A dirt collection assembly according to any one of claims 5 to 8 wherein the radially outer lower surface of the second vane is higher than the radially inner lower surface thereof.

10. The dirt collection assembly of claim 9, wherein the second annular ring further comprises:

a second inner ring connected to a lower end of a radially inner side of the plurality of second blades.

11. The dirt collection assembly of claim 10, wherein the second annular ring further comprises:

and the second reinforcing ring is connected to the inner surface of the second inner ring through a plurality of second reinforcing ribs distributed along the circumferential direction.

12. The dirt collection assembly of claim 1, wherein the locating posts are disposed at an intersection of the second outer race and one of the second vanes.

13. The dust collecting assembly of claim 12, wherein the outer surface of the first body away from the center of the first outer ring is formed as an arc-shaped surface, and the number of the first engaging legs is three, and one of the first engaging legs is engaged with the outer side of the second outer ring and the outer surface thereof is flush with the arc-shaped surface.

14. The dirt collection assembly of any one of claims 12-13, wherein the first annular ring further comprises a first connection terminal disposed radially outward of the first outer ring, the first electrical connector being disposed on the first connection terminal;

the second annular ring further comprises a second connecting terminal, the second connecting terminal is arranged on the radial outer side of the second outer ring and corresponds to the first connecting terminal up and down, and a second electric connecting piece is arranged on the second connecting terminal;

insulating interval subassembly still includes the insulating buckle of second, the insulating buckle of second is established first connecting terminal with between the second connecting terminal.

15. The dust collection assembly of claim 14, wherein the first connection terminal has a first engaging hole and an elastic catch extends downward from a lower surface of the first connection terminal; the second connecting terminal is provided with a second clamping hole;

the second insulating buckle includes:

the second body is hollow, the height of the second body is more than or equal to 2mm, the top of the second body is provided with an opening, the bottom of the second body is open, the elastic buckle penetrates through the opening and extends into the second body in a clamping mode, second clamping pins extend outwards from two opposite sides of the outer surface of the second body, and the second clamping pins are abutted to the upper surface of the second connecting terminal;

the second clamping hook extends downwards from the side wall of the second body between the two clamping pins to penetrate through the second clamping hole and then is clamped to the bottom surface of the second connecting terminal, and the second clamping hook is abutted to the lower surface of the second connecting terminal;

the boss extends upwards from the top of the second body and penetrates through the first clamping hole.

16. The dirt collection assembly of claim 1, wherein the first outer race has an outer diameter that is less than or equal to an outer diameter of the second outer race.

17. The dirt collection assembly of claim 1, wherein at least one of said first annular ring and said second annular ring is a high internal resistance annular ring having a surface resistivity of between 6 to 12 of 10.

18. An air purification apparatus, comprising:

a dirt collection assembly according to any one of claims 1-17;

the air guide piece is formed into an annular shape and is sleeved outside the dust collection assembly, and the outer diameter of the upper end of the air guide piece is larger than that of the lower end of the air guide piece.

19. The air cleaning apparatus as claimed in claim 18, wherein the air guide is connected to the second outer ring of the dust collection assembly.

20. The air purifying device as claimed in claim 19, wherein the air guide member has a third hook, the second outer ring extends outward to form a third connecting terminal, and the third connecting terminal has a step surface engaged with the third hook.

21. The air cleaning apparatus according to claim 20, wherein the third connection terminal has a notch portion penetrating therethrough in a vertical direction, a bent plate extending downward and then bent upward is provided on an inner wall of the notch portion, and the step surface is provided on an outer side surface of the bent plate.

22. The air cleaning device according to claim 21, wherein the air guide further includes a first extending plate extending upward, the first extending plate being fitted in the notch and spaced apart from the bent plate.

23. The air cleaning device according to claim 22, wherein the air guide further has a second extending plate extending upward, and the second extending plate and the first extending plate together define a receiving groove for receiving an outer end of the third connection terminal.

24. An air conditioner, comprising:

the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air duct which is provided with an air inlet and an air outlet; and

the dirt collection assembly of any one of claims 1-17, being disposed within the air chute at a location adjacent the air inlet or the air outlet.

25. The air conditioner of claim 24, further comprising a negative ion emitting ionization device disposed within the air duct.