Apparatus for irradiation
An irradiation apparatus configured to be coupled to an irradiation chamber containing a material to be irradiated, comprising: a support structure; one or more radiation sources coupled to the support structure; and a heat exchange mechanism thermally coupled to the one or more radiation sources. The heat exchange mechanism comprises one or more of a thermoelectric cooling device, a vapor chamber, a heatsink, a heat dissipation structure, a fan, and a cooling coating. The one or more radiation sources comprise one or more UV radiation sources, one or more UV-C radiation sources, one or more visible radiation sources, or a combination thereof. Optionally, the one or more radiation sources comprise a plurality of radiation sources arranged in an array. Optionally, the one or more radiation sources deliver a combination of wavelengths to the material to be irradiated.
1 . A liquid irradiation system comprising:
a flow cell irradiation chamber having an interior space for containing a liquid to be irradiated, the flow cell irradiation chamber including an irradiation passage comprising at least one of a window port and an aperture; and
an irradiation apparatus comprising:
a support structure coupled to the flow cell irradiation chamber;
an ultraviolet (UV) light radiation source package coupled to the support structure, the UV light radiation source package comprising one or more UV-C LED radiation sources bonded to a thermally conductive metal core circuit board (MCPCB), the UV light radiation source package mounted to the irradiation passage and optically coupled to the flow cell irradiation chamber through the irradiation passage in the flow cell irradiation chamber, for directing UV radiation into the interior space of the flow cell irradiation chamber and into the liquid to be irradiated; and
a heat exchange cooling mechanism thermally coupled to the one or more UV-C LED radiation sources, wherein the heat exchange cooling mechanism is disposed adjacent to the one or more UV-C LED radiation sources opposite the interior space of the flow cell irradiation chamber, and the heat exchange cooling mechanism removes heat by conduction or convection from the one or more UV-C LED radiation sources and transfers the heat to an environment external to the liquid irradiation system.
2 . The liquid irradiation system of claim 1 , wherein the heat exchange cooling mechanism comprises one or more of a thermoelectric cooling device, a vapor chamber, a heatsink, a heat dissipation structure, a fan, a material thermally coupled to a fluid, and a cooling coating.
3 . The liquid irradiation system of claim 1 , wherein the heat exchange cooling mechanism further comprises a heat recovery mechanism.
4 . The liquid irradiation system of claim 1 , further comprising a moisture seal and desiccant disposed adjacent to the one or more UV-C LED radiation sources.
5 . The liquid irradiation system of claim 1 , wherein the one or more UV-C LED radiation sources comprise a plurality of UV-C LED radiation sources arranged in an array.
6 . The liquid irradiation system of claim 1 , wherein one or more wavelengths of the one or more UV-C LED radiation sources are dynamically adjustable.
7 . The liquid irradiation system of claim 1 , wherein one or more wavelengths of the one or more UV-C LED radiation sources are selected based on an identification of a contaminant in the liquid to be irradiated.
8 . The liquid irradiation system of claim 7 , wherein the one or more UV-C LED radiation sources deliver one or more wavelengths to the liquid to be irradiated that induce fluorescence in the liquid to be irradiated.
9 . The liquid irradiation system of claim 1 , wherein the one or more UV-C LED radiation sources deliver a combination of wavelengths to the liquid to be irradiated.
10 . The liquid irradiation system of claim 1 , wherein one or more wavelengths of the one or more UV-C LED radiation sources are selected to both saturate an absorption mechanism in the liquid to be irradiated and target a peak absorption in the liquid to be irradiated.
11 . The liquid irradiation system of claim 1 , wherein the one or more UV-C LED radiation sources deliver one or more wavelengths to a semiconductor material disposed substantially adjacent to the liquid to be irradiated thereby causing a disinfection agent to be generated in proximity of the liquid to be irradiated.
12 . The liquid irradiation system of claim 1 , further including a radiation intensity feedback mechanism for dynamically controlling delivery of UV-C LED radiation to the liquid to be irradiated.
13 . The liquid irradiation system of claim 1 , further including a source and detector module that detects presence of biological particles and communicates with the one or more UV-C LED radiation sources.
14 . The liquid irradiation system of claim 1 , further comprising a radiation intensity feedback mechanism, wherein the radiation intensity feedback mechanism comprises at least one of a photodiode or a CCD.
15 . A liquid irradiation system comprising:
a flow cell irradiation chamber having an interior space for containing a liquid to be irradiated, the flow cell irradiation chamber including an irradiation passage comprising a window port and an aperture; and
an irradiation apparatus comprising:
a support structure coupled to the flow cell irradiation chamber;
an ultraviolet (UV) light radiation source package coupled to the support structure, the UV light radiation source package comprising a plurality of UV LED radiation sources bonded to a thermally conductive metal core circuit board (MCPCB), the UV light radiation source package mounted to the irradiation passage and optically coupled to the flow cell irradiation chamber through the irradiation passage in the flow cell irradiation chamber, so UV radiation from the plurality of UV LED radiation sources is directed into the interior space of the flow cell irradiation chamber through the window port and the aperture of the irradiation passage; and
a heat exchange cooling mechanism thermally coupled to the plurality of UV LED radiation sources, wherein the heat exchange cooling mechanism is disposed adjacent to the plurality of UV LED radiation sources opposite the interior space of the flow cell irradiation chamber, and the heat exchange cooling mechanism removes heat by conduction or convection from the plurality of UV LED radiation sources and transfers the heat to an environment external to the liquid irradiation system.
16 . The liquid irradiation system of claim 15 , wherein the plurality of UV LED radiation sources comprises a plurality of UV-C LEDs.
17 . The liquid irradiation system of claim 15 , wherein the heat exchange cooling mechanism comprises a heatsink.
18 . The liquid irradiation system of claim 15 , wherein further comprising a radiation intensity feedback mechanism.
19 . The liquid irradiation system of claim 18 , wherein the radiation intensity feedback mechanism comprises at least one of a photodiode or a CCD.