Storage device including target UV illumination ranges

Patent metadata

Field	Value
Publication number	US-9795699-B2
Application number	US-201314012667-A
Country	US
Kind code	B2
Filing date	Aug 28, 2013
Priority date	Aug 28, 2012
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

Ultraviolet radiation is directed within an area at target wavelengths and/or target intensities. The target wavelength ranges and/or target intensity ranges of the ultraviolet radiation sources can correspond to at least one of a plurality of selectable operating configurations including a storage life preservation operating configuration, a disinfection operating configuration, and an ethylene decomposition operating configuration.

First claim

What is claimed is:

1. A system comprising:
at least one ultraviolet radiation source configured to generate ultraviolet radiation directed within a storage area;
an ethylene destruction chamber configured to destroy ethylene gas; and
a monitoring and control system configured to:
enable selection of each of a plurality of selectable operating configurations, the plurality of selectable operating configurations including: a storage life preservation operating configuration, a disinfection operating configuration, and an ethylene decomposition operating configuration, wherein each selectable operating configuration has a combination of a corresponding target intensity range and a target wavelength range for the ultraviolet radiation;
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 a 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 ultraviolet radiation generated by the at least one ultraviolet radiation source using a selected one of the plurality of selectable operating configurations and the set of current conditions; 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 , wherein the target wavelength range for the at least one ultraviolet radiation source in the storage life preservation operating configuration is approximately 285 nanometers to approximately 305 nanometers.

3. The system of claim 2 , wherein the target intensity range for the at least one ultraviolet radiation source in the storage life preservation operating configuration is approximately 0.1 milliwatt/m 2 to approximately 1000 milliwatt/m 2 .

4. The system of claim 1 , wherein the target wavelength range for the at least one ultraviolet radiation source in the disinfection operating configuration is approximately 250 nanometers to approximately 285 nanometers.

5. The system of claim 4 , wherein the target intensity range for the at least one ultraviolet radiation source in the disinfection operating configuration is approximately 1 milliwatt/m 2 to approximately 10 watt/m 2 .

6. The system of claim 1 , wherein the target wavelength range for the at least one ultraviolet radiation source in the ethylene decomposition operating configuration is approximately 285 nanometers to approximately 305 nanometers.

7. The system of claim 6 , wherein the target intensity range for the at least one ultraviolet radiation source in the ethylene decomposition operating configuration is approximately 1 milliwatt/m 2 to approximately 1000 watt/m 2 .

8. The system of claim 1 , wherein the monitoring and control system controls the ultraviolet radiation by adjusting at least one of: a target time schedule or a target radiation direction for the at least one ultraviolet radiation source based on the set of current conditions and a currently selected operating configuration.

9. The system of claim 1 , the monitoring and control system is further configured to control at least one of: a temperature, a humidity, or illumination by a non-ultraviolet light source based on a currently selected operating configuration.

10. The system of claim 1 , wherein the set of current conditions includes conditions for a set of items located in the storage area, and wherein at least one of: an optical sensor, a chemical sensor, or a mechanical sensor provides the monitoring and control system data corresponding to at least one of the set of current conditions.

11. A food storage device comprising:
a storage area configured to store at least one perishable food item;
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:
enable selection of each of a plurality of selectable operating configurations, the plurality of selectable operating configurations including: a storage life preservation operating configuration, a disinfection operating configuration, and an ethylene decomposition operating configuration, wherein each selectable operating configuration has a combination of a corresponding target intensity range and a target wavelength range for the ultraviolet radiation;
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 a 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 ultraviolet radiation generated by the at least one ultraviolet radiation source using a selected one of the plurality of selectable operating configurations and the set of current conditions; and
control the ethylene destruction chamber in order to reduce the level of ethylene gas within the storage area.

12. The storage device of claim 11 , wherein the target wavelength range for the at least one ultraviolet radiation source in the storage life preservation operating configuration is approximately 285 nanometers to approximately 305 nanometers, and wherein the target intensity range for the at least one ultraviolet radiation source in the storage life preservation operating configuration is approximately 0.1 milliwatt/m 2 to approximately 1000 milliwatt/m 2 .

13. The storage device of claim 11 , wherein the target wavelength range for the at least one ultraviolet radiation source in the disinfection operating configuration is approximately 250 nanometers to approximately 285 nanometers, and wherein the target intensity range for the at least one ultraviolet radiation source in the disinfection operating configuration is approximately 1 milliwatt/m 2 to approximately 10 watt/m 2 .

14. The storage device of claim 11 , wherein the target wavelength range for the at least one ultraviolet radiation source in the ethylene decomposition operating configuration is approximately 285 nanometers to approximately 305 nanometers, and wherein the target intensity range for the at least one ultraviolet radiation source in the ethylene decomposition operating configuration is approximately 1 milliwatt/m 2 to approximately 1000 watt/m 2 .

15. The storage device of claim 11 , wherein the controlling includes adjusting at least one of: a target time schedule or a target radiation direction for the at least one ultraviolet radiation source based on the set of current conditions and a currently selected operating configuration.

16. The storage device of claim 11 , wherein the set of current conditions includes conditions for a set of items located in the storage area, and wherein at least one of: an optical sensor, a chemical sensor, or a mechanical sensor provides the monitoring and control system data corresponding to at least one of the set of current conditions.

17. 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 radiati

Assignees

• Sensor Electronic Tech Inc

Inventors

• Shur Michael
• Shatalov Maxim
• Bettles Timothy James
• Bilenko Yuri
• Smetona Saulius
• Dobrinsky Alexander
• Gaska Remigijus

Classifications

• A61L2103/05

  Living organisms or biological materials · CPC title

• A61L2103/23

  Containers other than laboratory or medical, e.g. bottles or mail · CPC title

• A61L2202/21

  Human Necessities · mapped topic

• F25D27/005

  combined with control means · CPC title

• A61L2202/14

  Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs · CPC title