Electrification apparatus for electric dust collector

Patent metadata

Field	Value
Publication number	US-12064774-B2
Application number	US-202117366732-A
Country	US
Kind code	B2
Filing date	Jul 2, 2021
Priority date	Jul 30, 2020
Publication date	Aug 20, 2024
Grant date	Aug 20, 2024

Abstract

An electrification apparatus for dust collection includes an electrification module configured to generate ions that are emitted to air. The electrification module comprises: a high voltage tip comprising at least one discharge tip configured to emit the ions in a direction opposite to a flow direction of the air, a conductive plate disposed around the discharge tip and configured to generate an electric potential difference with the discharge tip of the high voltage tip, a lower frame that mounts the conductive plate and the high voltage tip, and an upper frame that is coupled to the lower frame and that covers the conductive plate and the high voltage tip so that the discharge tip is exposed to outward.

First claim

What is claimed is:

1. An electrification apparatus for dust collection, the electrification apparatus comprising:
an electrification module configured to generate ions that are emitted to air,
wherein the electrification module comprises:
a high voltage tip comprising at least one discharge tip configured to emit the ions in a direction opposite to a flow direction of the air,
a conductive plate disposed around the discharge tip and configured to generate an electric potential difference with the discharge tip of the high voltage tip,
a lower frame that mounts the conductive plate and the high voltage tip, and
an upper frame that is coupled to the lower frame, the upper frame covering the conductive plate and the high voltage tip so that the discharge tip is exposed to outward,

wherein the upper frame comprises (i) an upper outer frame that provides a lower frame coupling part for coupling to the lower frame and (ii) an upper inner frame disposed inside the upper outer frame, and
wherein the lower frame provides a coupling hook corresponding to the lower frame coupling part.

2. The electrification apparatus of claim 1 , wherein the upper inner frame comprises (i) a first upper inner frame covering the high voltage tip and (ii) a second upper inner frame covering the conductive plate, and
wherein the second upper inner frame partitions an inner space of the upper outer frame into a plurality of electrification spaces.

3. The electrification apparatus of claim 2 , wherein the first upper inner frame provides (i) a cross section having a lower end that is open and that has a “U” shape and (ii) a high voltage tip body coupling part coupled to a high voltage tip body of the high voltage tip.

4. The electrification apparatus of claim 3 , wherein the high voltage tip body coupling part (i) defines an opening through which the discharge tip passes and (ii) provides a high voltage tip body upper coupling part coupled to the high voltage tip body.

5. The electrification apparatus of claim 4 , wherein the high voltage tip body upper coupling part comprises a first upper high voltage tip body coupling part and a second upper high voltage tip body coupling part,
wherein the first upper high voltage tip body coupling part is coupled to the high voltage tip body,
wherein the second upper high voltage tip body coupling part is coupled to the high voltage tip body and simultaneously covers the high voltage tip body and a high voltage cable configured to supply a voltage to the discharge tip, and
wherein the second upper high voltage tip body coupling part is disposed further forward than the first upper high voltage tip body coupling part with respect to an extension direction of the high voltage cable.

6. The electrification apparatus of claim 1 , wherein the lower frame comprises:
a lower outer frame providing the coupling hook,
a cable mounting groove that is disposed inside the lower outer frame and that mounts a high voltage cable configured to supply a voltage to the discharge tip, and
a lower inner frame providing a lower high voltage tip body mounting part that mounts a high voltage tip body of the high voltage tip.

7. The electrification apparatus of claim 6 , wherein the lower high voltage tip body mounting part comprises a first lower high voltage tip body mounting part and a second lower high voltage tip body mounting part,
wherein the high voltage tip body is mounted onto the first lower high voltage tip body mounting part,
wherein the high voltage tip body and the high voltage cable are mounted onto the second lower high voltage tip body mounting part, and
wherein the second lower high voltage tip body mounting part is disposed further forward than the first lower high voltage tip body mounting part with respect to an extension direction of the high voltage cable.

8. The electrification apparatus of claim 1 , wherein the conductive plate comprises a plurality of first plates and a plurality of second plates, and
wherein the first plate and the second plate are disposed to cross each other in an orthogonal direction.

9. The electrification apparatus of claim 8 , wherein each of the plurality of first plates provides a cable mounting part, a second plate inserting part, and an end coupling part,
wherein a high voltage cable of the high voltage tip is mounted onto the cable mounting part,
wherein the second plate inserting part is a slit that is defined at a first end surface of the first plate, and
wherein the end coupling part is (i) provided at both lateral ends of the first plate and (ii) a slit that is defined at the first end surface of the first plate to allow a corresponding second plate of the plurality of second plates to be inserted into and coupled to the first plate.

10. The electrification apparatus of claim 8 , wherein each of the plurality of second plates provides a first plate inserting part, an end coupling part, and a ground pin mounting part,
wherein the first plate inserting part is a slit that is defined at a first end surface of the second plate,
wherein the end coupling part is (i) provided at both lateral ends of the second plate and (ii) a slit that is defined at the first end surface of the second plate, and
wherein the ground pin mounting part is coupled to a ground pin that is connected to a ground cable configured to ground the conductive plate.

11. The electrification apparatus of claim 8 , wherein the high voltage tip further comprises:
a high voltage cable electrically connected to the discharge tip,
a high voltage tip body supporting the discharge tip,
a cable holder supporting the high voltage cable,
a ground terminal connected to the conductive plate, and
a ground cable connected to the ground terminal.

12. The electrification apparatus of claim 11 , wherein the high voltage tip body provides (i) an upper hook part protruding upward at an upper portion of the high voltage tip body and (ii) a lower hook part protruding downward at a lower portion of the high voltage tip body,
wherein an upper high voltage tip body coupling part corresponding to the upper hook part is provided at the upper frame, and
wherein a lower high voltage tip body coupling part corresponding to the lower hook part is provided at the lower frame.

13. The electrification apparatus of claim 12 , wherein the upper frame defines a discharge tip through hole so that the discharge tip is exposed to outward, and
wherein the upper hook coupling part is provided at first and second sides of the discharge tip through hole.

14. The electrification apparatus of claim 12 , wherein the upper hook part comprises (i) a first upper hook provided at a first side end of the upper portion of the high voltage tip body and (ii) a second upper hook provided at a second side end of the upper portion of the high voltage tip body.

15. The electrification apparatus of claim 12 , wherein the lower hook part comprises (i) a first lower hook provided at a first side end of the lower portion of the high voltage tip body and (ii) a second lower hook provided at a second side end of the lower portion of the high voltage tip body.

16. The electrification apparatus of claim 11 , wherein the high voltage cable further comprises a single main cable having a first end electrically connected to a voltage supplier that is configured to generate a voltage supplied to the electrification module.

17. The electrification apparatus of claim 11 , wherein the discharge tip comprises a first discharge tip, a second discharge tip, a third discharge tip, a fourth discharge ti

Assignees

• Lg Electronics Inc

Inventors

• Shin Namgyu
• Lee Dong Hyuk
• Park Naehyun
• Kim Ah Ram
• Lee Giseop

Classifications

• B03C3/08

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

• B03C2201/06

  Ionising electrode being a needle · CPC title

• B03C3/82

  Housings · CPC title

• B03C2201/30

  for use in or with vehicles · CPC title

• B03C3/38 Primary

  Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames · CPC title