Dust collection assembly, air purification device and air conditioner

Patent metadata

Field	Value
Publication number	US-10166548-B2
Application number	US-201515515850-A
Country	US
Kind code	B2
Filing date	Sep 30, 2015
Priority date	Sep 30, 2014
Publication date	Jan 1, 2019
Grant date	Jan 1, 2019

Abstract

Disclosed is a dust collection assembly ( 100 ), comprising a first annular ring ( 110 ), a second annular ring ( 120 ), an insulated spacer assembly ( 130 ) and an air guide ( 220 ), wherein the second annular ring ( 120 ) is arranged below the first annular ring ( 110 ); the insulated spacer assembly ( 130 ) is arranged between the first annular ring ( 110 ) and the second annular ring ( 120 ), so that the first annular ring ( 110 ) is spaced apart from the second annular ring ( 120 ); the air guide ( 220 ) is formed as annular and sheathed outside the first annular ring ( 110 ) and/or the second annular ring ( 120 ); the air guide ( 220 ) is connected in a snap-fit with the first annular ring ( 110 ) and/or the second annular ring ( 120 ); and the external diameter of the upper end of the air guide ( 220 ) is greater than that of the lower end thereof. Further disclosed are an air purification device and an air conditioner comprising the dust collection assembly ( 100 ).

First claim

What is claimed is:

1. A dust collection assembly, comprising:
a first annular ring having a first outer ring and a plurality of first blades disposed in an inner surface of the first outer ring along a circumferential direction, wherein the first annular ring has a first electrically connecting piece configured to be connected with 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 disposed in an inner surface of the second outer ring along a circumferential direction, wherein the second annular ring is disposed below the first annular ring, the plurality of second blades and the plurality of first blades are arranged to be staggered in the circumferential direction, and the second annular ring has a second electrically connecting piece configured to be connected with the other one of the positive pole and the negative pole of the power source;
an insulation spacing assembly disposed between the first annular ring and the second annular ring and spacing the first annular ring and the second annular ring apart; and
an air guide configured to have an annular shape and fitted over the first annular ring and/or the second annular ring, wherein the air guide is connected with the first annular ring and/or the second annular ring by means of a snap, and an external diameter of an upper end of the air guide is larger than an external diameter of an lower end of the air guide.

2. The dust collection assembly according to claim 1 , wherein the air guide is connected with the second outer ring by means of the snap.

3. The dust collection assembly according to claim 2 , wherein the air guide has an air guide hook, an outer ring connecting terminal extends out of the second outer ring, and the outer ring connecting terminal has a step face fitted with the air guide hook.

4. The dust collection assembly according to claim 3 , wherein the outer ring connecting terminal has an opening portion penetrating through the outer ring connecting terminal along an up-down direction, an inner wall of the opening portion is provided with a bent plate extending downward firstly and then being bent upward, and the step face is disposed to an outside surface of the bent plate.

5. The dust collection assembly according to claim 4 , wherein the air guide further comprises a first extending plate extending upward, and the first extending plate is fitted within the opening portion and spaced apart from the bent plate.

6. The dust collection assembly according to claim 5 , wherein the air guide further comprises a second extending plate extending upward, and the second extending plate and the first extending plate define an accommodating groove accommodating an outer end of the outer ring connecting terminal together.

7. The dust collection assembly according to claim 1 , wherein the air guide comprises:
a first wind guiding ring extending upward, archwise and gradually from inside to outside along a radial direction; and
a second wind guiding ring connected at an upper end of the first wind guiding ring, wherein an upper surface of the second wind guiding ring is in one plane.

8. The dust collection assembly according to claim 1 , wherein a shortest distance between the first annular ring and the second annular ring is larger than or equal to 2 mm.

9. The dust collection assembly according to claim 8 , wherein a distance between a first blade and an adjacent second blade is 2-40 mm.

10. The dust collection assembly according to claim 8 , wherein a thickness of the first blade along the circumferential direction of the first annular ring is larger than 0.5 mm and a width of the first blade along an axial direction of the first annular ring is larger than 5 mm; and
a thickness of the second blade along the circumferential direction of the second annular ring is larger than 0.5 mm, and a width of the second blade along an axial direction of the second annular ring is larger than 5 mm.

11. The dust collection assembly according to claim 10 , wherein both of the thicknesses of the first blade and the second blade are 1.5 mm and both of the widths of the first blade and the second blade are 36 mm.

12. The dust collection assembly according to claim 1 , wherein the first outer ring is connected to an upper end of the plurality of first blades at a radially outer side of the plurality of first blades, and an upper surface of the plurality of first blades at the radially outer side is higher than an upper surface of the plurality of first blades at a radially inner side.

13. The dust collection assembly according to claim 12 , wherein the first annular ring further comprises:
a first inner ring connected to the radially inner side of the plurality of first blades.

14. The dust collection assembly according to claim 13 , wherein the first annular ring further comprises:
a first reinforcing ring connected to an inner surface of the first inner ring by means of a plurality of first reinforcing ribs arranged along a circumferential direction.

15. The dust collection assembly according to claim 12 , wherein a lower surface of the plurality of second blades at a radially outer side is higher than a lower surface of the plurality of second blades at a radially inner side.

16. The dust collection assembly according to claim 15 , wherein the second annular ring further comprises:
a second inner ring connected to a lower end of the plurality of second blades at the radially inner side.

17. The dust collection assembly according to claim 16 , wherein the second annular ring further comprises:
a second reinforcing ring connected to an inner surface of the second inner ring by means of a plurality of second reinforcing ribs arranged along a circumferential direction.

18. The dust collection assembly according to claim 1 , wherein the insulation spacing assembly comprises at least one first insulation snap, and the first insulation snap is mounted to the first outer ring and the second outer ring so as to connect the first outer ring and the second outer ring in a spaced manner.

19. The dust collection assembly according to claim 18 , wherein a circumferential wall of the second outer ring is provided with a location column, and the first insulation snap comprises:
a first body having a height larger than or equal to 2 mm;
at least two first snap-joint feet, and the at least two first snap-joint feet extend downward from a lower end of the first body and are fitted over the location column so as to connect the first body with the second outer ring; and
a first hook extending upward from an upper end of the first body and snap-fitted with an edge of the first outer ring so as to connect the first body with the first outer ring.

20. The dust collection assembly according to claim 18 , wherein the first annular ring further comprises a first connecting terminal disposed to a radially outer side of the first outer ring, and the first electrically connecting piece is disposed on the first connecting terminal;
the second annular ring further comprises a second connecting terminal disposed to a radially outer side of the second outer ring and corresponding with the first connecting terminal in the up-down direction, and the second electrically connecting piece is disposed on the second connecting terminal; and
the insulation spacing assembly further comprises a second insulation snap disposed between the first connecting terminal and the second connecting terminal.

Assignees

• Gd Midea Air Conditioning Equipment Co Ltd
• Midea Group Co Ltd

Inventors

• You Bin
• Zhang Min
• Tian Zhenlong
• Yi Zhengqing

Classifications

• B03C3/70

  insulating in electric separators (B03C3/53 takes precedence) · CPC title

• F24F3/1603

  Mechanical Engineering · mapped topic

• B03C3/47 Primary

  flat, e.g. plates, discs, gratings · CPC title

• B03C3/08

  characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream · CPC title

• B03C3/06 Primary

  characterised by presence of stationary tube electrodes · CPC title