ULTRAVIOLET STERILIZATION LAMP, ULTRAVIOLET STERILIZATION MODULE, AND AIR CONDITIONER INCLUDING ULTRAVIOLET STERILIZATION MODULE

• US 20180021469A1
• Filed: 11/29/2016
• Published: 01/25/2018
• Est. Priority Date: 07/22/2016
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: KIM, Taeyoung, Joung, Jaeyoul
• Granted Patent: US 10,220,110 B2
• Time in Patent Office: Days
• CPC Class Codes: A61L 2209/14 Filtering means
• CPC Class Codes: A61L 2209/15 Supporting means, e.g. stands, hooks, holes for hanging
• CPC Class Codes: A61L 2209/16 Connections to a HVAC unit
• CPC Class Codes: A61L 9/20 Ultraviolet radiation
• CPC Class Codes: A61L 9/205 using a photocatalyst or photosensitiser
• CPC Class Codes: F24F 1/0025 Cross-flow or tangential fans
• CPC Class Codes: F24F 1/0057 mounted in or on a wall
• CPC Class Codes: F24F 1/0063 by the mounting or arrangement of the heat exchangers
• CPC Class Codes: F24F 1/0073 characterised by the mounting or arrangement of filters
• CPC Class Codes: F24F 1/0076 by electric means, e.g. ionisers or electrostatic separators
• CPC Class Codes: F24F 13/20 Casings or covers
• CPC Class Codes: F24F 13/222 for evacuating condensate
• CPC Class Codes: F24F 13/28 Arrangement or mounting of filters
• CPC Class Codes: F24F 13/30 Arrangement or mounting of heat-exchangers
• CPC Class Codes: F24F 8/22 using UV light
• CPC Class Codes: Y02A 50/20 Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

A ultraviolet (UV) sterilization lamp, a UV sterilization module, and an air conditioner including a UV sterilization module are provided. The UV sterilization module may include a porous frame, a portion of which may be a mesh so as to allow a fluid to pass therethrough; a plurality of UV lamps provided on the mesh of the porous frame and including an external electrode on an outer surface thereof; a power supply connected to the plurality of UV lamps to supply power to the plurality of UV lamps; and a plurality of fixing portions configured to support the plurality of UV lamps and fixed to the porous frame. The plurality of fixing portions may be arranged to be spaced from each other such that the plurality of UV lamps may be arranged with a constant spacing. The constant spacing may be a shortest distance of about 8 cm or less to connect outer peripheral surfaces of the plurality of UV lamps adjacent to each other.

Claims

1. A ultraviolet (UV) sterilization module, comprising:

a porous frame, a portion of which is a mesh that allows a fluid to pass therethrough;

a plurality of UV lamps provided on the mesh of the porous frame and Including an external electrode on an outer surface thereof;

a power supply connected to the plurality of UV lamps to supply power to the plurality of UV lamps; and

a plurality of fixing portions configured to support the plurality of UV lamps and fixed to the porous frame, wherein the plurality of fixing portions is arranged to be spaced from each other such that the plurality of UV lamps is arranged with a constant spacing, and wherein the constant spacing is a shortest distance of about 8 cm or less to connect outer peripheral surfaces of the plurality of UV lamps adjacent to each other.

2. The UV sterilization module of claim 1, wherein the constant spacing is at least about 1 cm or more, wherein an outer diameter of each of the plurality of UV lamps is smaller than the constant spacing.

3. The UV sterilization module of claim 2, wherein each of the plurality of UV lamps has an inner diameter of at least about 0.7 mm or more and an outer diameter of about 1 mm to about 7 mm.

4. The UV sterilization module of claim 1, wherein the porous frame has a constant width and a length longer than the width, wherein the plurality of UV lamps is arranged in parallel to a widthwise direction and is spaced about from each other in a lengthwise direction at the constant spacing.

5. The UV sterilization module of claim 4, wherein the plurality of UV lamps is smaller than the width of the porous frame.

6. The UV sterilization module of claim 1, wherein the plurality of fixing portions is a plurality of conductive fixing portions configured to receive power from the power supply and supply the power to the plurality of UV lamps, and further comprising at least one electrode rail provided in the porous frame, wherein the plurality of conductive fixing portions is provided on the at least one electrode rail.

7. An air conditioner including the UV sterilization module of claim 1.

8. A ultraviolet (UV) sterilization module, comprising:

a first UV lamp having a first outer diameter and a first length in a lengthwise direction of the UV sterilization module;

a second UV lamp having a second outer diameter and a second length in the lengthwise direction of the UV sterilization module;

a pair of first fixing devices configured to surround the first outer diameter of the first UV lamp;

a pair of second fixing devices configured to surround the second outer diameter of the second UV lamp;

a module body configured to support the pair of first fixing portions and the pair of second fixing portions and have at least flexibility or elasticity; and

a power supply configured to connect the first UV lamp and the second UV lamp in parallel to supply power thereto, wherein a passage having a width of about 1 cm to about 8 cm to allow at least a fluid to pass therethrough is formed between the first outer diameter of the first UV lamp and the second outer diameter of the second UV lamp.

9. The UV sterilization module of claim 8, wherein the first outer diameter of the first UV lamp is equal to the second diameter of the second UV lamp, and the first outer diameter of the first UV lamp and the second outer diameter of the second UV lamp are about 1 mm to about 7 mm.

10. The UV sterilization module of claim 8, wherein a width of the passage is larger than the first outer diameter of the first UV lamp and the second outer diameter of the second UV lamp.

11. An air conditioner including the UV sterilization module of claim 8.

12. An air conditioner, comprising:

a main body having an air inlet and an air outlet;

a heat exchanger provided in the main body and configured to allow heat exchange with air introduced via the air inlet;

a blower fan provided in the main body and configured to blow the air heat-exchanged with the heat exchanger toward the air outlet; and

at least one UV sterilization module configured to sterilize the air introduced via the air inlet and an inside of the main body with UV rays, wherein the UV sterilizer module includes;

at least two UV lamps configured to generate UV rays and arranged to be spaced from each other,

a plurality of fixing portions respectively mounted on the at least two UV lamps;

a porous body configured to support the plurality of fixing portions and provided in the main body, a portion of the porous body being a mesh; and

a power supply connected to the at least two UV lamps to supply power to the at least two UV lamps, wherein a length of a tangent line that connects outer peripheral surfaces of the at least two UV lamps is about 8 cm or less.

13. The air conditioner of claim 12, wherein the at least one UV sterilization module surrounds at least the heat exchanger in the main body.

14. The air conditioner of claim 12, wherein each of the at least two UV lamps has an outer diameter of about 1 mm to about 7 mm.

15. The air conditioner of claim 12, wherein the at least two UV lamps are arranged in a lengthwise direction of the main body.

16. A ultraviolet (UV) sterilization module, comprising:

a porous frame, a portion of which is a mesh that allows a fluid to pass therethrough;

a plurality of UV lamps provided on the mesh of the porous frame and including an external electrode on an outer surface thereof;

a power supply connected to the plurality of UV lamps to supply power to the plurality of UV lamps; and

a plurality of supports configured to support the plurality of UV lamps and fixed to the porous frame, wherein the plurality of supports is each shaped to surround a portion of an outer diameter of one of the plurality of UV lamps, respectively, wherein the plurality of supports is arranged to be spaced from each other such that the plurality of UV lamps is arranged with a constant spacing, and wherein the constant spacing is a shortest distance of about 8 cm or less to connect outer peripheral surfaces of the plurality of UV lamps adjacent to each other.

17. The UV sterilization module of claim 16, wherein the constant spacing is at least about 1 cm or more, wherein each of the plurality of UV lamps has an inner diameter of at least about 0.7 mm or more and the outer diameter is about 1 mm to about 7 mm.

18. The UV sterilization module of claim 17, wherein the outer diameter of each of the plurality of UV lamps is smaller than the constant spacing, wherein the plurality of UV lamps has the same outer diameter.

19. The UV sterilization module of claim 16, wherein the plurality of supports is a plurality of conductive supports configured to receive power from the power supply and supply the power to the plurality of UV lamps, wherein the UV sterilization module further including at least one electrode rail provided in the porous frame, and wherein the plurality of conductive supports is provided on the at least one electrode rail.

20. An air conditioner including the UV sterilization module of claim 16.