Ceiling type air conditioner and controlling method thereof

Patent metadata

Field	Value
Publication number	US-11280516-B2
Application number	US-201916427434-A
Country	US
Kind code	B2
Filing date	May 31, 2019
Priority date	Jun 1, 2018
Publication date	Mar 22, 2022
Grant date	Mar 22, 2022

Abstract

A method of controlling a ceiling type air conditioner including a panel located on a ceiling surface, outlets formed to correspond to four sides of the panel, and first to fourth discharge vanes for opening and closing the outlets, and each of the first to fourth discharge vanes including an upper discharge vane and a lower discharge vane located below the upper discharge vane and rotating along with the upper discharge vane includes performing first operation, performing second operation, performing third operation, and performing fourth operation in which the first discharge vane rotates in the second angle group, the second discharge vane rotates in the third angle group, the third discharge vane rotates in the fourth angle group and the fourth discharge vane rotates in the first angle group. The first to the fourth angle groups are set such that rotation angles of the discharge vanes have different ranges.

First claim

The invention claimed is:

1. A method of controlling a ceiling type air conditioner including a panel located on a ceiling surface, and outlets formed to correspond to four sides of the panel, and first to fourth discharge vane sets that open and close the outlets, each of the first to fourth discharge vane sets including an upper discharge vane, and a lower discharge vane located below the upper discharge vane and rotating along with the upper discharge vane, the method comprising:
performing a first operation in which the first discharge vane set rotates within a first angle group, the second discharge vane set rotates within a second angle group, the third discharge vane set rotates within a third angle group, and the fourth discharge vane set rotates within a fourth angle group;
performing a second operation in which the first discharge vane set rotates within the fourth angle group, the second discharge vane set rotates within the first angle group, the third discharge vane set rotates within the second angle group, and the fourth discharge vane set rotates within the third angle group;
performing a third operation in which the first discharge vane set rotates within the third angle group, the second discharge vane set rotates within the fourth angle group, the third discharge vane set rotates within the first angle group, and the fourth discharge vane set rotates in the second angle group; and
performing a fourth operation in which the first discharge vane set rotates within the second angle group, the second discharge vane set rotates within the third angle group, the third discharge vane set rotates within the fourth angle group, and the fourth discharge vane set rotates within the first angle group, wherein rotation angles of the first to the fourth angle groups have different ranges.

2. The method of claim 1 , wherein the first to fourth discharge vane sets:
guide discharged air closest to the ceiling surface when rotating within the first angle group, and guide discharged air closest to an indoor floor surface when rotating within the fourth angle group.

3. The method of claim 1 , wherein the first to fourth operations are performed for a set time.

4. The method of claim 1 , wherein the first angle group includes a smallest rotation angle of the upper discharge vane and a smallest rotation angle of the lower discharge vane.

5. The method of claim 4 , wherein the fourth angle group includes a largest rotation angle of the upper discharge vane and a largest rotation angle of the lower discharge vane.

6. The method of claim 1 , wherein a range of a rotation angle of the upper discharge vane is less than a range of a rotation angle of the lower discharge vane.

7. The method of claim 1 , wherein, in the first angle group, a rotation angle of the upper discharge vane is set to 58° or more and less than 71°, and a rotation angle of the lower discharge vane is set to 15° or more and less than 45°.

8. The method of claim 7 , wherein, in the second angle group, a rotation angle of the upper discharge vane is set to 64° or more and less than 72°, and a rotation angle of the lower discharge vane is set to 25° or more and less than 55°.

9. The method of claim 8 , wherein, in the third angle group, a rotation angle of the upper discharge vane is set to 68° or more and less than 73°, and a rotation angle of the lower discharge vane is set to 35° or more and less than 64°.

10. The method of claim 9 , wherein, in the fourth angle group, a rotation angle of the upper discharge vane is set to 71° or more and less than 74°, and a rotation angle of the lower discharge vane is set to 45° or more and less than 72°.

11. A ceiling type air conditioner, comprising:
a panel located on a ceiling surface;
outlets formed to correspond to four sides of the panel;
first to fourth discharge vane sets located at the outlets, respectively, and each including an upper discharge vane, and a lower discharge vane located below the upper discharge vane and rotating along with the upper discharge vane; and
a controller configured to control rotation angles of the first to fourth discharge vane sets, wherein the controller:
controls the first discharge vane set such that the first discharge vane set is rotated within a first angle group including a smallest rotation angle;
controls the second discharge vane set such that the second discharge vane set is rotated within a second angle group having a rotation angle greater than that of the first angle group;
controls the third discharge vane set such that the third discharge vane set is rotated within a third angle group having a rotation angle greater than that of the second angle group; and
controls the fourth discharge vane set such that the fourth discharge vane set is rotated within a fourth angle group having a rotation angle greater than that of the third angle group.

12. The ceiling type air conditioner of claim 11 , wherein the controller controls the second to third discharge vane sets to sequentially follow the first angle group when a predetermined time has elapsed.

13. The ceiling type air conditioner of claim 11 , wherein the controller controls the first discharge vane set to sequentially rotate within the second to fourth angle groups when a predetermined time period has elapsed.

14. The ceiling type air conditioner of claim 13 , wherein the controller counts a number of cycles in which the first discharge vane set rotates within the first to fourth angle groups.

15. The ceiling type air conditioner of claim 14 , wherein the controller repeatedly controls the first discharge vane set to rotate within the first angle group when the counted number of cycles is less than a predetermined number of cycles.

Assignees

• Lg Electronics Inc

Inventors

• Lee Juyoun
• Kim Jusu

Classifications

• F24F1/0047

  mounted in the ceiling or at the ceiling · CPC title

• F24F13/072

  of elongated shape, e.g. between ceiling panels · CPC title

• F24F1/0011

  characterised by air outlets · CPC title

• F24F11/79 Primary

  for controlling the direction of the supplied air · CPC title

• F24F1/0014 Primary

  having two or more outlet openings · CPC title