Storage device including target UV illumination ranges

• US 9,724,441 B2
• Filed: 11/14/2014
• Issued: 08/08/2017
• Est. Priority Date: 08/28/2012
• Status: Active Grant

• Current Assignee: Sensor Electronic Technology Incorporated (Seoul Semiconductor Co., Ltd.)
• Original Assignee: Sensor Electronic Technology Incorporated (Seoul Semiconductor Co., Ltd.)
• Inventors: Shur, Michael, Bettles, Timothy James, Bilenko, Yuri, Smetona, Saulius, Gaska, Remigijus, Shatalov, Maxim S., Dobrinsky, Alexander
• Primary Examiner(s): MARTIN, ELIZABETH J
• Application Number:
  US14/541,245
• Publication Number:
  US 20150069270A1
• Time in Patent Office: 998 Days
• CPC Class Codes: A23L 3/28 with ultraviolet light
• CPC Class Codes: A61L 2/10 Ultraviolet radiation
• CPC Class Codes: A61L 2202/14 Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
• CPC Class Codes: A61L 2202/21 Pharmaceuticals, e.g. medicaments, artificial body parts
• CPC Class Codes: F25D 17/042 Air treating means within refrigerated spaces air conditioning in general F24F
• CPC Class Codes: F25D 2317/0417 using an UV-lamp

Abstract

Ultraviolet radiation is directed within an area at target wavelengths, target intensities, a target temporal distribution, and/or a target spatial distribution. The target attribute(s) of the ultraviolet radiation can correspond to at least one of a plurality of selectable operating configurations including a storage life preservation operating configuration, a disinfection operating configuration, an ethylene decomposition operating configuration, and/or the like.

Claims

1. A system comprising:

a set of ultraviolet radiation sources configured to generate ultraviolet radiation directed at a set of items within a storage area;

an ethylene destruction chamber configured to destroy ethylene gas; and

a monitoring and control system configured to;

monitor, using data from a visual camera and a chemical sensor, a set of current conditions of at least one of;

the storage area or the set of items located in the storage area, the set of current conditions including a level of ethylene gas within the storage area and a change in a visual appearance of the at least one of;

the storage area or the set of items located in the storage area;

control the ultraviolet radiation generated by the set of ultraviolet radiation sources using the set of current conditions and a target effect for the set of items by adjusting at least one of;

an intensity, a wavelength, a temporal distribution, or a spatial distribution of the ultraviolet radiation; and

control the ethylene destruction chamber in order to reduce the level of ethylene gas within the storage area.

2. The system of claim 1, further comprising a set of auxiliary light emitters emitting radiation at a wavelength between approximately 240 nanometers and approximately 900 nanometers.

3. The system of claim 2, wherein the set of current conditions includes radiation emitted by the set of items in response to the radiation of the set of auxiliary light emitters.

4. The system of claim 1, wherein the set of current conditions includes a temperature of a surface of the set of items, and wherein the controlling includes adjusting the temporal distribution of the ultraviolet radiation so that the ultraviolet radiation directed at the set of items is in pulses, wherein the pulsed ultraviolet radiation allows time for at least one of:

cooling the set of items, heating the set of items, allowing an onset of a chemical reaction, and initiating a chemical reaction.

5. The system of claim 1, wherein the controlling includes adjusting the spatial distribution of the ultraviolet radiation by directing the ultraviolet radiation source towards at least a portion of the set of items within the storage area.

6. The system of claim 1, wherein the set of current conditions includes a presence of ambient radiation levels in a range of approximately 300 nanometers to approximately 500 nanometers.

7. The system of claim 6, wherein controlling the set of ultraviolet radiation sources is based on the presence of ambient radiation levels.

8. A device comprising:

a set of ultraviolet radiation sources configured to generate ultraviolet radiation directed at a set of items within a storage area;

an ethylene destruction chamber configured to destroy ethylene gas; and

a monitoring and control system configured to;

monitor, using data from a visual camera and a chemical sensor, a set of current conditions of at least one of;

the storage area or the set of items located in the storage area, the set of current conditions including a level of ethylene gas within the storage area and a change in a visual appearance of the at least one of;

the storage area or the set of items located in the storage area;

control the ultraviolet radiation generated by the set of ultraviolet radiation sources using the set of current conditions and a target effect for the set of items by adjusting at least one of;

an intensity, a wavelength, a temporal distribution, or a spatial distribution of the ultraviolet radiation; and

control the ethylene destruction chamber in order to reduce the level of ethylene gas within the storage area.

9. The device of claim 8, further comprising a set of auxiliary light emitters emitting radiation at a wavelength between approximately 240 nanometers and approximately 900 nanometers.

10. The device of claim 9, wherein the set of current conditions includes radiation emitted by the set of items in response to the radiation of the set of auxiliary light emitters.

11. The device of claim 8, wherein the set of current conditions includes a temperature of a surface of the set of items, and wherein the controlling includes adjusting the temporal distribution of the ultraviolet radiation so that the ultraviolet radiation directed at the set of items is in pulses, wherein the pulsed ultraviolet radiation allows time for at least one of:

cooling the set of items, heating the set of items, allowing an onset of a chemical reaction, and initiating a chemical reaction.

12. The device of claim 8, wherein the controlling includes adjusting the spatial distribution of the ultraviolet radiation by directing the ultraviolet radiation source towards at least a portion of the set of items within the storage area.

13. The device of claim 8, wherein the set of current conditions includes a presence of ambient radiation levels in a range of approximately 300 nanometers to approximately 500 nanometers.

14. The device of claim 13, wherein controlling the set of ultraviolet radiation sources is based on the presence of ambient radiation levels.

15. A refrigeration device comprising:

a storage area configured to store at least one refrigerated item;

a component configured to control at least one environmental condition of the storage area, wherein the at least one environmental condition includes at least one of;

a temperature, a humidity, a gas convection, or a fluid convection;

at least one ultraviolet radiation source configured to generate ultraviolet radiation directed within the storage area;

an ethylene destruction chamber configured to destroy ethylene gas; and

a monitoring and control system configured to;

monitor, using data from a visual camera and a chemical sensor, a set of current conditions of at least one of;

the storage area or the set of items located in the storage area, the set of current conditions including a level of ethylene gas within the storage area and a change in a visual appearance of the at least one of;

the storage area or the set of items located in the storage area;

control the ultraviolet radiation generated by the set of ultraviolet radiation sources using the set of current conditions and a target effect for the set of items by adjusting at least one of;

an intensity, a wavelength, a temporal distribution, or a spatial distribution of the ultraviolet radiation; and

control the ethylene destruction chamber in order to reduce the level of ethylene gas within the storage area.

16. The device of claim 15, further comprising a set of auxiliary light emitters emitting radiation at a wavelength between approximately 240 nanometers and approximately 900 nanometers.

17. The device of claim 16, wherein the set of current conditions includes radiation emitted by the set of items in response to the radiation of the set of auxiliary light emitters.

18. The device of claim 15, wherein the set of current conditions includes a temperature of a surface of the set of items, and wherein the controlling includes adjusting the temporal distribution of the ultraviolet radiation so that the ultraviolet radiation directed at the set of items is in pulses, wherein the pulsed ultraviolet radiation allows time for at least one of:

cooling the set of items, heating the set of items, allowing an onset of a chemical reaction, and initiating a chemical reaction.

19. The device of claim 15, wherein the controlling includes adjusting the spatial distribution of the ultraviolet radiation by directing the ultraviolet radiation source towards at least a portion of the set of items within the storage area.

20. The device of claim 15, wherein the set of current conditions includes a presence of ambient radiation levels in the range of approximately 300 nanometers to approximately 500 nanometers, and wherein controlling the set of ultraviolet radiation sources is based on the presence of ambient radiation levels.