Air-conditioning system

Patent metadata

Field	Value
Publication number	US-12326277-B2
Application number	US-202217743088-A
Country	US
Kind code	B2
Filing date	May 12, 2022
Priority date	May 24, 2021
Publication date	Jun 10, 2025
Grant date	Jun 10, 2025

Abstract

An air-conditioning system is provided that may include a plurality of air-processing apparatuses, each of which includes an inlet formed in one surface thereof that extends perpendicular to a floor or a ceiling and a pre-filter disposed in the inlet, and a filter cleaner configured to clean at least one of pre-filters provided in the plurality of air-processing apparatuses while automatically moving when at least one of the plurality of air-processing apparatuses stops operating.

First claim

What is claimed is:

1. An air-conditioning system, comprising:
a plurality of air-processing apparatuses, each comprising an inlet formed in a first surface thereof that extends perpendicular to a floor or ceiling and a pre-filter disposed in the inlet; and
a filter cleaner configured to clean at least one of the pre-filters provided in the plurality of air-processing apparatuses while automatically moving when at least one of the plurality of air-processing apparatuses stops operating, wherein the filter cleaner comprises:
a housing that forms an external appearance of the filter cleaner, the housing having a suction hole formed in one side thereof;
a moving gear rotatably disposed in the housing and configured to move the housing;
a gear motor configured to rotate the moving gear;
a dust container disposed so as to be introduced into or withdrawn out of the housing, the dust container being configured to store foreign substances introduced thereinto through the suction hole;
an agitator rotatably disposed in the dust container;
an agitator gear disposed inside of the housing to rotate the agitator;
an agitator motor disposed inside of the housing to operate the agitator gear; and
a suctioner disposed inside of the housing to induce air to flow into the dust container through the suction hole, and wherein the dust container is configured to be inserted into or withdrawn from the housing in a direction in which a rotational axis of the agitator extends.

2. The air-conditioning system according to claim 1 , wherein the plurality of air-processing apparatuses is disposed adjacent to each other in a lateral direction, and wherein the filter cleaner cleans at least one of the pre-filters provided in the plurality of air-processing apparatuses while moving in the lateral direction.

3. The air-conditioning system according to claim 1 , further comprising:
a guide rail disposed at one side of each of the plurality of air-processing apparatuses to guide movement of the filter cleaner.

4. The air-conditioning system according to claim 3 , wherein a plurality of objects to be sensed is disposed on the guide rail so as to be spaced apart from each other in a lateral direction, wherein the filter cleaner comprises a position detection sensor, and wherein the filter cleaner determines a position thereof based on the plurality of objects to be sensed which are detected by the position detection sensor.

5. The air-conditioning system according to claim 4 , wherein the plurality of objects to be sensed comprises two objects to be sensed disposed on the guide rail at positions corresponding to a start point and an end point of a movement section within which the filter cleaner moves.

6. The air-conditioning system according to claim 4 , wherein the plurality of objects to be sensed comprises three or more objects to be sensed disposed on the guide rail, and wherein the filter cleaner determines a position thereof based on at least one of identification information of the objects to be sensed detected by the position detection sensor, types of the objects to be sensed, an order in which the objects to be sensed are detected, or a change in a physical parameter caused by the objects to be sensed.

7. The air-conditioning system according to claim 4 , wherein the filter cleaner comprises:
a first position detection sensor; and
a second position detection sensor spaced apart from the first position detection sensor.

8. The air-conditioning system according to claim 7 , wherein, when the filter cleaner moves in a first direction, if the second position detection sensor detects an object to be sensed corresponding to an end point of a cleaning section, the filter cleaner stops moving.

9. The air-conditioning system according to claim 8 , wherein, when the filter cleaner changes a moving direction thereof and moves in a second direction, the second direction being opposite the first direction, if the first position detection sensor detects an object to be sensed corresponding to a start point of a movement section within which the filter cleaner moves, the filter cleaner stops moving.

10. The air-conditioning system according to claim 3 , further comprising:
an end plate disposed at a first end or a second end of the guide rail to restrict movement of the filter cleaner in one direction.

11. The air-conditioning system according to claim 10 , wherein the end plate comprises:
a charging terminal that protrudes in a direction in which the guide rail extends; and
a power supply circuit accommodated in the end plate to supply power to the charging terminal.

12. The air-conditioning system according to claim 1 , wherein, when the filter cleaner enters a section corresponding to an air-processing apparatus of the plurality of air-processing apparatuses which is operating, the air-processing apparatus which is operating temporarily stops operating while the filter cleaner passes through the section corresponding thereto.

13. The air-conditioning system according to claim 1 , wherein the filter cleaner comprises:
the dust container that forms a space to accommodate foreign substances;
the agitator configured to rotate while contacting the pre-filters; and
the suctioner configured to deliver foreign substances removed by the agitator to the dust container.

14. The air-conditioning system according to claim 13 , wherein, when cleaning of all of the pre-filters, the filter cleaner drives the suctioner and the agitator while moving toward an end point of a movement section within which the filter cleaner moves, wherein, when arriving at the end point, the filter cleaner stops moving and moves toward a start point of the movement section, and wherein, when arriving at the start point, the filter cleaner stops driving the suctioner and the agitator and terminates operation.

15. The air-conditioning system according to claim 14 , wherein, when arriving at the end point, the filter cleaner stops driving the suctioner and the agitator, and wherein, while moving toward the start point, the filter cleaner drives the suctioner and the agitator.

16. The air-conditioning system according to claim 13 , wherein, when cleaning some of the pre-filters, the filter cleaner moves toward a cleaning section corresponding to a pre-filter to be cleaned by the filter cleaner, wherein, when arriving at a start point of the cleaning section, the filter cleaner drives the suctioner and the agitator, wherein, when arriving at an end point of the cleaning section, the filter cleaner stops moving and moves toward a start point of a movement section within which the filter cleaner moves, wherein, when arriving at the start point of the cleaning section, the filter cleaner stops driving the suctioner and the agitator, and wherein, when arriving at the start point of the movement section, the filter cleaner terminates operation.

17. The air-conditioning system according to claim 16 , wherein, when arriving at the end point of the cleaning section, the filter cleaner stops driving the suctioner and the agitator, and wherein, while moving toward the start point of the cleaning section, the filter cleaner drives the suctioner and the agitator.

18. The air-conditioning system according to claim 13 , wherein the filter cleaner comprises:
the housing that accommodates the dust container device, the agitator, and the suctioner therein;
the moving gear configured to move the housing in a lateral direction of the pre-filters;
the gear motor configured to rotate the moving gear;
a guide roller rotatably dispos

Assignees

• Lg Electronics Inc

Inventors

• Hyon Chinsoo
• Bae Sehwan
• Kwon Heejae
• Yeon Jeeyoung

Classifications

• F24F13/28

  Arrangement or mounting of filters · CPC title

• F24F1/0073 Primary

  characterised by the mounting or arrangement of filters · CPC title

• F24F11/39

  Monitoring filter performance · CPC title

• F24F8/108

  using dry filter elements · CPC title

• F24F2110/70

  Carbon dioxide · CPC title