Dust collection assembly, air purification device and air conditioner

Patent metadata

Field	Value
Publication number	US-10272444-B2
Application number	US-201515515862-A
Country	US
Kind code	B2
Filing date	Sep 30, 2015
Priority date	Sep 30, 2014
Publication date	Apr 30, 2019
Grant date	Apr 30, 2019

Abstract

A dust collection assembly ( 100 ) comprises a first annular ring ( 110 ) and a second annular ring ( 120 ). The first annular ring ( 110 ) is provided with a first electrical connection member ( 113 ) for connection to either the positive pole or the negative pole of a power source; the second annular ring ( 120 ) is disposed both separatedly from and insulatedly from the first annular ring ( 110 ); the second annular ring ( 120 ) is provided with a second electrical connection member ( 123 ) for connection to the other of the positive or negative poles of the power source. Also disclosed are an air purification device and an air conditioner comprising the present dust collection assembly ( 100 ).

First claim

What is claimed is:

1. A dust collection assembly, comprising:
a first annular ring having a first electrically connecting piece configured to be connected with one of a positive pole and a negative pole of a power source; and
a second annular ring spaced apart and insulated from the first annular ring and having 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;
wherein a shortest distance between the first annular ring and the second annular ring is larger than or equal to 2 mm,
wherein the first annular ring has a first outer ring and a plurality of first blades disposed in an inner surface of the first outer ring along a circumferential direction;
the second annular ring has a second outer ring and a plurality of second blades disposed in an inner surface of the second outer ring along a circumferential direction, the second annular ring is disposed below the first annular ring, and the plurality of second blades and the plurality of first blades are arranged to be staggered in the circumferential direction; and
wherein an external diameter of the first outer ring is smaller than or equal to an external diameter of the second outer ring.

2. The dust collection assembly according to claim 1 , wherein a distance between a first blade and an adjacent second blade is 2-40 mm.

3. The dust collection assembly according to claim 1 , 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;
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.

4. 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.

5. The dust collection assembly according to claim 1 , wherein the first annular ring further comprises:
a first inner ring connected to the radially inner side of the plurality of first blades.

6. The dust collection assembly according to claim 5 , 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.

7. The dust collection assembly according to claim 4 , 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.

8. The dust collection assembly according to claim 7 , 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.

9. The dust collection assembly according to claim 8 , 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.

10. The dust collection assembly according to claim 1 , wherein at least one of the first annular ring and the second annular ring is a high-internal-resistance annular ring, and a surface resistivity of the high-internal-resistance annular ring is 10 6 ˜10 12 .

11. The dust collection assembly according to claim 1 , further comprising 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.

12. The dust collection assembly according to claim 11 , 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 with the second outer ring in a spaced manner.

13. The dust collection assembly according to claim 12 , 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, wherein 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;
a first snap hook extending upward form an upper end of the first body and being snap-fitted with an edge of the first outer ring so as to connect the first body and the first outer ring.

14. The dust collection assembly according to claim 11 , 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.

15. The dust collection assembly according to claim 14 , wherein the first connecting terminal is provided with a first snap joint hole, and a resilient snap extends downward from a lower surface of the first connecting terminal; and the second connecting terminal is provided with a second snap joint hole;
the second insulation snap comprises:
a second body, having a hollow interior, a height larger than or equal to 2 mm, and an opening in a top thereof as well as an opened bottom, wherein the resilient snap goes through the opening, stretches into and is snap-fitted within the second body, second snap joint feet extend outwards from two opposite sides of an outer surface of the second body, and the second snap-joint feet abut against an upper surface of the second connecting terminal;
a second snap hook extending downward from a side wall of the second body between two second snap-joint feet so as to go through the second snap-joint hole and be snap-fitted to a bottom surface of the second connecting terminal, the second snap hook abuts against a lower surface of the second connecting terminal; and
a projection extending upwards from the top of the second body and goes through the first snap-joint hole.

16. An air purification device, comprising a dust collection assembly, comprising:
a first annular ring having a first electrically connecting piece configured to be connected with one of a positive pole and a negative pole of a power source; and
a second annular ring spaced apart and insulated from the first annular ring and having 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;
wherein a shortest distance between the first annular ring and the second annular ring is larger than or equal to 2 mm,
wherein the first annular ring has a first outer ring and a plurality of

Assignees

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

Inventors

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

Classifications

• 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

  characterised by presence of stationary tube electrodes · CPC title

• B03C3/09

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

• B03C3/49

  tubular · CPC title