CN214509911U

CN214509911U - Portable lunch box with two heating modes

Info

Publication number: CN214509911U
Application number: CN202022929169.9U
Authority: CN
Inventors: 余从刚; 宋思璇; 温宇鹏
Original assignee: Xiangtan University
Current assignee: Xiangtan University
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-10-29
Anticipated expiration: 2030-12-09

Abstract

A portable lunch box with two heating modes comprises a heating support component, a heat conduction device, a water storage box, an inner container, a shell, an outer sealing cover, a USB interface and a resistance wire. This lunch-box adopts two kinds of heating modes, when can using the power to heat the meal around, adopts USB interface connection heating device to little hot tube material is heat-transfer device, and electric heating cooperates the heat-transfer device heat conduction, quick even heating food. Under the condition of inconvenient electricity utilization, the heat of the hot water can be quickly and uniformly transferred to food by adding the hot water into the water storage box and taking the micro heat pipe as a heat conducting device material. Compared with the traditional steam heating, the method is more uniform and rapid. The water storage box is of a drawing structure, so that water is conveniently added in an extraction mode.

Description

Portable lunch box with two heating modes

Technical Field

The utility model relates to a lunch box, in particular to a portable lunch box with two heating modes.

Background

The lunch box is a daily article with high use frequency for office workers and students. In winter, people usually take lunch to offices or classrooms. However, because of long carrying time, the meal is usually cooled during lunch and needs to be reheated for use. However, most schools or offices have no heating equipment, or the number of heating equipment is small, so that queuing is needed, troubles are caused, and lunch is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable lunch-box with two kinds of heating modes to solve the technical defect among the above-mentioned background art. Aims to provide a portable lunch box which is easily available in public places and can be heated by hot water or a USB power socket.

In order to achieve the purpose, the utility model provides a portable lunch box with two heating modes, which comprises a heating support component, a heat conduction device, a water storage box, an inner container, a shell, an outer sealing cover, a USB interface and a resistance wire. The upper part of the heating support component is a heating device, and the lower part of the heating support component is a structure with a support function. An inner container is arranged above the heating device, and a water storage box is arranged below the heating device. The outer walls of the inner container, the water storage box and the heating device and the inner wall of the shell are provided with spaces. U-shaped heat conduction devices are arranged in the left space, the right space and the rear space of the inner container, the water storage box and the heating device, and the U-shaped heat conduction devices are tightly attached to the outer walls of the inner container, the water storage box and the heating device. The box body is provided with a USB interface which is electrically connected with the heating device.

Preferably, the bottom of the water storage box and the bottom of the heating support component are of a drawing and clamping structure, and a convex groove track is arranged below the water storage box and matched with the size of a groove track above the bottom of the heating support component in size. A water inlet is arranged above the water storage box.

Preferably, the heat conducting device is made of micro heat pipe materials, is designed into a U-shaped shape with three sides surrounding and clings to the outer walls of the inner container, the water storage box and the heating device.

Preferably, the heating support component is divided into heating devices at the upper part, resistance wires in the heating devices are uniformly distributed, and the USB interface is electrically connected with the heating devices. The lower part of the heating support component is provided with a groove track.

Preferably, the middle position of the outer sealing cover is provided with a vent hole.

Preferably, the inner wall of the shell is coated with a high-temperature resistant coating.

Compared with the prior art, the beneficial effects of the utility model are that: this portable lunch-box with two kinds of heating modes sets up two kinds of heating modes, can use under the circumstances of power around, adopts USB interface connection heating device to the microthermal tube material is heat-transfer device, and electric heating cooperates heat-transfer device heat conduction, quick even heating food. Under the condition of inconvenient electricity utilization, the heat of the hot water can be quickly and uniformly transferred to food by adding the hot water into the water storage box and taking the micro heat pipe as a heat conducting device material. Compared with the traditional steam heating, the method is more uniform and rapid. The water storage box is of a drawing structure, so that water is conveniently added in an extraction mode. The device is also more fully effective.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the heat-conducting device comprises an outer sealing cover, 101, air vents, 2, an inner container, 3, a water storage box, 301, a water inlet, 302, a convex groove track, 4, a heating supporting component, 401, a heating device, 402, a groove track, 5, a heat-conducting device, 6, a USB interface, 7, a shell, 8 and a resistance wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a portable lunch box with two heating modes comprises a heating support component 4, a heat conducting device 5, a water storage box 3, an inner container 2, a shell 7, an outer sealing cover 1, a USB interface 6 and a resistance wire 8. Heating supporting component 4 upper portion subsection is heating device 401, and heating device 401 is inside to be the even distribution of resistance wire 8, and USB interface 6 is connected with heating device 401 electricity. The water storage box 3 is arranged below the heating device 401, and the bottom of the water storage box 3 and the bottom of the heating supporting component 4 are in a drawing and clamping structure. A convex groove track 302 is arranged below the water storage box 3 and is matched with a concave groove track 402 above the bottom of the heating support component 4 in size. And the upper surface of the water storage box 3 is also provided with a water inlet 301. An inner container 2 is arranged above the heating device 401. Spaces are reserved on the outer wall of the inner container 2, the outer wall of the water storage box 3, the outer wall of the heating device 401 and the inner wall of the shell 7, and heat conducting devices 5 are arranged in the left space, the right space and the rear space of the shell 7, the inner container 2, the water storage box 3 and the heating device 401. The heat conducting device 5 is made of micro heat pipe materials, is designed into a U-shaped three-surface surrounding structure and is tightly attached to the outer walls of the inner container 2, the water storage box 3 and the heating device 401. The middle position of the external sealing cover 1 is provided with a vent hole 101. The inner wall of the shell 7 is coated with a high temperature resistant coating.

The working principle is as follows:

when the meal is heated under the condition of inconvenient power utilization, the water storage box 3 is pulled out along the groove track 402 at the bottom of the heating support component 4, hot water is filled in the water storage box, and then the water storage box is pushed into the heating lunch box with two modes of electric heating and hot water heat conduction. The heat in the water is transferred to the inner container 2 through the heat conduction device 5, and the rice and the dishes in the inner container 2 are uniformly heated.

When can use the power to heat meal when around, external power source inserts USB interface 6, and the starting resistance wire 8 is connected with heating device 401 electricity, and resistance wire 8 carries out even heating to inner container 2, and heat conduction device 5 cooperation heating device 401 carries out the heat conduction, can accelerate to heat meal in inner container 2.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable lunch box with two heating modes is characterized in that: the device comprises a heating support component (4), a heat conduction device (5), a water storage box (3), an inner container (2), a shell (7), an outer sealing cover (1), a USB interface (6) and a resistance wire (8); the upper part of the heating support component (4) is divided into a heating device (401), and the lower part is divided into a support structure; the inner container (2) is arranged above the heating device (401), and the water storage box (3) is arranged below the heating device (401); spaces are reserved between the outer walls of the inner container (2), the water storage box (3) and the heating device (401) and the inner wall of the shell (7), and heat conducting devices (5) are arranged in the left, right and rear spaces of the inner container (2), the water storage box (3) and the heating device (401); the box body is provided with a USB interface (6), and the USB interface (6) is electrically connected with the heating device (401).

2. A portable lunch box with two heating modes as claimed in claim 1, wherein: the bottom of the water storage box (3) and the bottom of the heating support component (4) are of a drawing clamping structure, a convex groove track (302) is arranged below the water storage box (3) and is matched with a groove track (402) above the bottom of the heating support component (4) in size; a water inlet (301) is arranged above the water storage box (3).

3. A portable lunch box with two heating modes as claimed in claim 1, wherein: the heat conducting device (5) is made of a micro heat pipe material, is designed to be in a U-shaped shape, surrounds three surfaces and is tightly attached to the outer walls of the inner container (2), the water storage box (3) and the heating device (401).