Take-out food case for keeping food fresh

Patent metadata

Field	Value
Publication number	US-11013372-B2
Application number	US-201816149163-A
Country	US
Kind code	B2
Filing date	Oct 2, 2018
Priority date	Mar 23, 2018
Publication date	May 25, 2021
Grant date	May 25, 2021

Abstract

The present invention relates to the field of take-out food cases, more particularly to a take-out food case for keeping food fresh. The principle is as follows. The temperature information of the heat insulation portion is detected and fed back to the temperature controller by the thermocouple probe. When the detected temperature is lower than the minimum temperature preset by the temperature controller, carbon fiber heating pipes are controlled to heat the food by the temperature controller. When the temperature inside the heat insulation portion reaches to the maximum temperature preset by the temperature controller, carbon fiber heating pipes are controlled to stop heating by means of the temperature controller. When the take-out food case for keeping food fresh is not in use, ultraviolet sterilizing lamps are controlled to perform regular sterilization for the take-out food case by means of the timer.

First claim

The invention claimed is:

1. A take-out food case for keeping food fresh, characterized in that, it comprises a case body and a case cover, wherein the case body comprises a heat insulation portion and a cold insulation portion, the heat insulation portion of the case body and the case cover are respectively provided with a wire hole for allowing a wire to pass though, four first seal grooves are arranged at four corners inside the heat insulation portion, and the first seal grooves are respectively inserted with a sealing strip, a plurality of circular cavities are evenly provided along a centre line of each sealing strip, a carbon fiber heating pipe is horizontally arranged between each two corresponding circular cavities of each two adjacent sealing strips, wherein one side of each sealing strip is arranged with a sealing ridge which matches with respective one of the four first seal grooves and another side of each sealing strip is arranged with two second seal grooves, the two second seal grooves form an angle of 90 degrees therebetween, a perforated baffle is arranged between opposite second seal grooves of two adjacent sealing strips, and a central part of the perforated baffle is arranged with a first protrusion, and a layered perforated baffle is disposed on and held by the first protrusion, the layered perforated baffle is arranged with a fixing groove which matches with a take-out box, and the take-out box is disposed in the fixing groove, wherein in the case cover an ultraviolet sterilizing lamp is arranged, and on an outer surface of the case cover a control system is arranged, wherein the control system comprises an internal power supply, a temperature controller, a timer and a displayer, a thermocouple probe is further arranged inside the heat insulation portion, and the control system is connected with the thermocouple probe, the ultraviolet sterilizing lamp and the carbon fiber heating pipe by a wire which passes through the wire holes.

2. The take-out food case for keeping food fresh according to claim 1 , characterized in that, a vertical groove is arranged on an inner wall of the cold insulation portion, and the vertical groove is inserted with the perforated baffle.

3. The take-out food case for keeping food fresh according to claim 1 , characterized in that, a second baffle is arranged in the case cover, ultraviolet sterilizing lamps are arranged respectively at two sides of the second baffle in the case cover, and fixed barriers are arranged respectively at two sides below the ultraviolet sterilizing lamps, wherein the fixed barriers are arranged at two ends with recesses, in which movable barriers are arranged, wherein the movable barriers are movable such that when the movable barriers are open, the ultraviolet sterilizing lamps are capable of radiating ultraviolet to the heat insulation portion and the cold insulation portion, so as to sterilize the heat insulation portion and the cold insulation portion.

4. The take-out food case for keeping food fresh according to claim 3 , characterized in that, a first baffle is arranged between the heat insulation portion and the cold insulation portion, and the first baffle is arranged with a baffle groove, wherein the second baffle and the first baffle are arranged opposite to each other, and both are made of thermal insulation materials, wherein the second baffle is provided with a protruding portion, which protruding portion matches with the baffle groove so as to achieve sealing of the heat insulation portion and the cold insulation portion.

5. The take-out food case for keeping food fresh according to claim 3 , characterized in that, movable barriers are arranged with second protrusions for facilitating manual gripping to move the movable barriers.

6. The take-out food case for keeping food fresh according to claim 1 , characterized in that, a cover of the take-out box is made of a material which is capable of absorbing moisture, so as to absorb water vapor evaporated from the food.

Assignees

• Univ Dongguan Technology

Inventors

• Chen Baiman

Classifications

• A61L2103/23

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

• H05B3/145 Primary

  Carbon only, e.g. carbon black, graphite · CPC title

• A61L2/10

  Ultraviolet [UV] radiation · CPC title

• B65D81/3813

  rigid container being in the form of a box, tray or like container · CPC title

• B65D25/04

  Partitions · CPC title