Portable container
A portable container includes a cooling unit with a vessel and a base. A thermal cover can cover the vessel to insulate a chamber in the vessel that holds one or more goods. The vessel has a cavity filled with a phase change material or thermal mass, and thermally conductive plate(s) extending within the cavity and in thermal contact with the phase change material or thermal mass. The base is attached to the vessel and houses thermoelectric module(s) in thermal contact with the thermally conductive plate(s), a heat sink in thermal contact with the thermoelectric module(s), a fan operable to flow the air past the heat sink, and circuitry that operates the thermoelectric module(s) and fan. The thermoelectric modules are operable to charge the phase change material or thermal mass, the charged phase change material or thermal mass (once charged) configured to passively cool or heat the chamber.
1. A portable container, comprising:
a cooling or heating unit comprising:
a vessel comprising a non-continuous peripheral wall including one or more slits that separate the peripheral wall into two or more portions, the one or more slits extending from an open end to a closed end along a majority of a length of the vessel, the peripheral wall having an outer wall and an inner wall that defines an open chamber configured to receive and hold one or more goods proximate each other, the outer wall spaced from the inner wall and defining a cavity therebetween filled with a phase change material or thermal mass, one or more thermally conductive plates extending within the cavity and in thermal contact with the phase change material or thermal mass, and
a base attached to the vessel, the base at least partially housing:
one or more thermoelectric modules having one side in thermal contact with a thermally conductive support base in thermal contact with the one or more thermally conductive plates,
a heat sink in thermal contact with an opposite side of the one or more thermoelectric modules,
a fan operable to draw air through one or more intake openings into the base, flow the air past the heat sink, and exhaust the air from the base via one or more exhaust openings,
one or more power storage devices,
a visual display, and
circuitry configured to operate the one or more thermoelectric modules, fan and visual display; and
a thermal cover having a closed first end and an open second end, the thermal cover comprising an outer wall and an inner wall spaced apart from the outer wall, a gap between the inner wall and the outer wall configured to thermally insulate the inner wall relative to the outer wall, the thermal cover configured to removably extend over the vessel to close the chamber and so that the inner wall of the thermal cover is proximate the outer wall of the peripheral wall of the vessel, the thermal cover configured to thermally insulate the chamber,
wherein the one or more thermoelectric modules is operable to charge the phase change material or thermal mass, the charged phase change material or thermal mass configured to passively cool or heat the chamber.
2. The portable container of claim 1 , wherein the gap is under vacuum.
3. The portable container of claim 1 , wherein the base further comprises a connector electrically connected to the circuitry and configured to transfer power or data.
4. The portable container of claim 1 , wherein the visual display includes one or more light emitting diodes (LEDs), the visual display operable to visually indicate a state of charge of the phase change material or thermal mass.
5. The portable container of claim 1 , further comprising one or more sensors electrically connected to the circuitry, the one or more sensors configured to sense a parameter of the phase change material or thermal mass, or of the chamber.
6. The portable container of claim 1 , wherein the one or more intake openings and one or more exhaust openings are at opposite ends of the base and hidden from view.
7. The portable container of claim 1 , wherein the vessel is detachable from the base and interchangeable.
8. The portable container of claim 1 , wherein the circuitry is configured to wirelessly communicate with a remote electronic device.
9. The portable container of claim 1 , wherein the chamber has an elongated oval cross-sectional shape configured to receive two goods side by side.
10. The portable container of claim 1 , wherein the chamber has an 8-shaped opening configured to receive two goods side by side, the 8-shaped opening having opposite peaks that inhibit contact between the two goods.
11. The portable container of claim 1 , wherein one or more thermally conductive plates are spaced apart from the inner wall and the outer wall.
12. The portable container of claim 1 , wherein the one or more thermally conductive plates are two thermally conductive plates extending opposite each other relative to a centerline of the vessel.
13. The portable container of claim 1 , wherein the one or more intake openings are recessed relative to an upper end of the base.
14. The portable container of claim 1 , wherein the base includes one or more protrusions configured to engage one or more slots in the thermal cover when the thermal cover is disposed over the vessel to couple the thermal cover to the base.
15. The portable container of claim 1 , wherein the chamber includes a plate on which the one or more goods is supported, the plate configured to be move relative to adjacent portions of the chamber by a mechanism to selectively extend at least one of the one or more goods from the chamber to facilitate their removal from the chamber.
16. The portable container of claim 15 , wherein the mechanism includes a spring disposed between the plate and a base of the chamber, the spring configured to compress when the thermal cover is disposed over the vessel and configured to uncompress when the thermal cover is removed from over the vessel to lift at least one of the one or more goods toward an opening of the vessel to facilitate their removal from the chamber.
17. The portable container of claim 15 , wherein the mechanism is at least partially housed in the base and comprises a spring attached to or in communication with the plate and an actuator.
18. The portable container of claim 17 , wherein the actuator is a cam.
19. The portable container of claim 15 , wherein the mechanism is at least partially housed in the base and comprises a linear member attached to or in communication with the plate and an actuator.
20. The portable container of claim 19 , wherein the actuator is an electric motor.