CN213640592U

CN213640592U - Safe portable electric heating fast food container

Info

Publication number: CN213640592U
Application number: CN202021837925.9U
Authority: CN
Inventors: 王东; 李中富
Original assignee: Uni President Enterprises China Investment Co Ltd
Current assignee: Uni President Enterprises China Investment Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-07-09
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a safe portable electric heating fast food container, which comprises an outer box body and an inner box body freely arranged in the inner cavity of the outer box body, wherein a heating film is positioned on the inner wall of the bottom of the outer box body, an electric control panel is arranged on the outer vertical wall of the outer box body, a control chip and a power interface connected with an external power supply are integrated on the electric control panel, and the control chip can also control the power interface to be electrically communicated with or disconnected from the heating film; in addition, a first sensor for sensing the temperature of the outer surface of the inner box body and a second sensor for sensing the water quantity condition in the inner box body are arranged at the lower part of the inner vertical wall of the outer box body, and the first sensor and the second sensor are both electrically connected with the control chip. The electric heating fast food container is simple, novel and reasonable in structure, can realize reasonable and free control of a heating condition by a consumer, can effectively avoid potential safety hazards such as dry burning, scalding and burning explosion, and improves the edible satisfaction and safety of the consumer.

Description

Safe portable electric heating fast food container

Technical Field

The utility model relates to a food packaging container technical field specifically provides a safe portable type electrical heating fast food container.

Background

At present, products such as self-heating chafing dishes, self-heating rice and the like in the market are heated by using a heating bag. When the heating bag is heated, the heating effect is not controllable, and potential safety hazards such as scalding, burning explosion and the like are easy to occur; in addition, the heating bag also has the disadvantages of environmental pollution and the like, so that the market demand cannot be well met.

In view of this, the present invention is especially provided.

Disclosure of Invention

In order to overcome the defects, the utility model provides a safe portable electrical heating fast food container, its simple structure, novelty, reasonable both can realize that the consumer carries out reasonable free controlling to the heating situation, can effectively avoid potential safety hazards such as dry combustion method, scald, blasting again, has promoted consumer's edible satisfaction and security greatly.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: a safe and portable electric heating fast food container comprises an outer box body and an inner box body, wherein the outer box body and the inner box body are both hollow structure bodies with openings at the upper sides and closed lower sides, and the inner box body is freely arranged in an inner cavity of the outer box body; a heating film is positioned and arranged on the inner wall of the bottom of the outer box body, an electric control board is arranged on the outer side vertical wall of the outer box body, a control chip and a power interface connected with an external power supply are integrated on the electric control board, and the control chip can also control the power interface to be electrically connected with or disconnected from the heating film;

in addition, a first sensor for sensing the temperature of the outer surface of the inner box body and a second sensor for sensing the water quantity condition in the inner box body are further installed at the lower part of the inner vertical wall of the outer box body, and the first sensor and the second sensor are both electrically connected to the control chip.

As a further improvement of the utility model, the lower part of the inner vertical wall of the outer box body is provided with a circle of step part, and the inner box body is freely placed on the step part.

As a further improvement of the utility model, the heating film adopts PI metal heating film, just the thickness of heating film is not more than 0.4 mm.

As a further improvement of the present invention, the power supply interface is multiple, and the multiple power supply interfaces are selected from at least two types of USB interfaces, male and female connectors, delta-shaped interfaces and magnetic suction interfaces;

in addition, each power interface respectively through a relay switch with heating membrane one end is connected, and a plurality of relay switch's controlled end still equally respectively with control chip electric connection.

As a further improvement of the utility model, the last lift of still integrating of electrical control board presses the module, the input that goes up and down to press the module is respectively with a plurality of relay switch's output electric connection, go up and down to press the module the output with heating film one end electric connection, go up and down to press the controlled end of module with control chip electric connection.

As a further improvement of the present invention, the first sensor is a thermistor temperature sensor; the second sensor adopts a humidity-sensitive resistance sensor or a pressure sensor.

As a further improvement, the electric control panel is further integrated with a warning light, the warning light electric connection is in control chip.

As a further improvement of the utility model, a heat-preservation and heat-insulation film is laid on the inner wall of the outer box body in a positioning way.

As a further improvement, the heat-insulating film is made of aluminum foil, and the heat-insulating film is positioned and laid on the inner vertical wall and the bottom inner wall of the outer box body.

The utility model has the advantages that: the fast food container has simple, novel and reasonable structure, can realize reasonable and free control of the heating condition by the consumer, can effectively avoid potential safety hazards such as dry burning, scalding and explosion, and greatly improves the edible satisfaction and safety of the consumer. Secondly, because the outer box body of the fast food container has the characteristic of being repeatedly used, a consumer can cook other foods by using the outer box body, thereby expanding the application range of the fast food container and facilitating the daily life of the consumer. The fast food container can be adapted to various external power supplies of different types, has strong applicability and is convenient for consumers to eat. Fourthly, the fast food container does not cause harm to the environment and is beneficial to environmental protection.

Drawings

FIG. 1 is a schematic sectional view of a portable electric heating container for fast food according to the present invention;

fig. 2 is an electrical schematic block diagram of the safe and portable electric heating fast food container of the present invention.

The following description is made with reference to the accompanying drawings:

1-outer box body; 10-a step portion; 2, an inner box body; 3-heating the film; 40, a control chip; 41-power interface; 42-relay switch; 43-a buck-boost module; 50-a first sensor; 51-a second sensor; 6-heat preservation and insulation film.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention is not limited to the embodiments described in the present application.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. In addition, the terms "first", "second", and the like in the present specification are used for convenience of description only, and are not intended to limit the scope of the present invention.

Example 1:

please refer to fig. 1, which is a schematic cross-sectional view of a portable electric heating container for fast food.

The safe and portable electric heating fast food container of the utility model comprises an outer box body 1 and an inner box body 2, wherein the outer box body 1 and the inner box body 2 are both hollow structure bodies with open upper sides and closed lower sides, and the inner box body 2 is freely arranged in the inner cavity of the outer box body 1; particularly, a heating film 3 is positioned and arranged on the inner wall of the bottom of the outer box body 1, an electric control board is arranged on the outer vertical wall of the outer box body 1, a control chip 40 and a power interface 41 connected with an external power supply are integrated on the electric control board, and the control chip 40 can also control the power interface 41 to be electrically connected with or disconnected from the heating film 3; in addition, a first sensor 50 for sensing the temperature of the outer surface of the inner container 2 and a second sensor 51 for sensing the water amount in the inner container 2 are further installed at the lower portion of the inner side vertical wall of the outer container 1, and both the first sensor 50 and the second sensor 51 are electrically connected to the control chip 40, so that the dangers of dry burning and the like can be effectively avoided, and the edible safety of consumers is improved.

In this embodiment, it is preferable that a step 10 is formed in a circle at a lower portion of an inner side wall of the outer case 1, and the inner case 2 is freely placed on the step 10.

Preferably, the heating film 3 is a PI metal heating film, and the thickness of the heating film 3 is not more than 0.4 mm; the polyimide heating film has high heat conduction efficiency, light weight and thin body, is suitable for containers of various styles and has good applicability.

Preferably, the number of the power interfaces 41 is multiple, and the multiple power interfaces 41 are selected from at least two types of USB interfaces, male and female connectors, delta connectors, and magnetic connectors; preferably, the number of the power interfaces 41 is four, and the four power interfaces are respectively a USB interface, a male-female connector, a delta-shaped connector and a magnetic connector, so as to be adapted to different types of external power supplies; of course, the number of the power interfaces is not limited to the four power interfaces, and is determined according to design requirements;

in addition, each of the power interfaces 41 is connected to one end of the heating film 3 through a relay switch 42, and controlled ends of the relay switches 42 are electrically connected to the control chip 40.

Preferably, a buck-boost module 43 is further integrated on the electrical control board, an input end of the buck-boost module 43 is electrically connected to output ends of the plurality of relay switches 42, input ends of the plurality of relay switches 42 are electrically connected to the plurality of power interfaces 41 correspondingly, an output end of the buck-boost module 43 is electrically connected to one end of the heating film 3, and a controlled end of the buck-boost module 43 is electrically connected to the control chip 40; in particular, reference is made to fig. 2.

In this embodiment, it is preferable that the first sensor 50 is a thermistor temperature sensor; the second sensor 51 is a moisture-sensitive resistive sensor or a pressure sensor.

Preferably, still integrated with the warning light on the electrical control board, warning light electric connection in control chip 40, when bad phenomena such as dry combustion occur, control chip 40 can control the warning light scintillation is warned.

Preferably, a heat preservation and insulation film 6 is further positioned and laid on the inner wall of the outer box body 1. Further preferably, the heat-insulating film 6 adopts an aluminum foil, and the heat-insulating film 6 is laid on the inner side vertical wall and the bottom inner wall of the outer box body 1 at a fixed position, so that the heat dissipation prevention effect and the heat insulation effect are achieved, and the personnel scald is avoided.

In this embodiment, the electric heating fast food container further comprises a cover body covering the outer box body 1, and a micro-pressure self-ejection pressure relief opening is arranged on the cover body, so that during normal heating, the pressure relief opening is closed to prevent heat dissipation, but when the pressure in the container exceeds the ejection value of the pressure relief opening, the pressure relief opening is ejected to release pressure to ensure safety.

To sum up, the simple structure of electric heating fast food container, novel, reasonable, both can realize that the consumer carries out reasonable free controlling to the heating situation, can effectively avoid potential safety hazards such as dry combustion method, scald, blasting again, promoted consumer's edible satisfaction and security greatly.

The above description is only a preferred embodiment of the present invention, but not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as within the protection scope of the present invention.

Claims

1. A safe and portable electric heating fast food container comprises an outer box body (1) and an inner box body (2), wherein the outer box body (1) and the inner box body (2) are both hollow structure bodies with openings at the upper sides and closed lower sides, and the inner box body (2) is freely arranged in an inner cavity of the outer box body (1); the method is characterized in that: a heating film (3) is positioned and arranged on the inner wall of the bottom of the outer box body (1), an electric control board is arranged on the outer side vertical wall of the outer box body (1), a control chip (40) and a power interface (41) connected with an external power supply are integrated on the electric control board, and the control chip (40) can also control the power interface (41) to be electrically connected or disconnected with the heating film (3);

in addition, a first sensor (50) for sensing the temperature of the outer surface of the inner box body (2) and a second sensor (51) for sensing the water quantity condition in the inner box body (2) are further installed at the lower part of the inner vertical wall of the outer box body (1), and the first sensor (50) and the second sensor (51) are both electrically connected to the control chip (40).

2. A safe portable electrically heated fast food container as claimed in claim 1, characterized in that: a circle of step part (10) is formed at the lower part of the inner side vertical wall of the outer box body (1), and the inner box body (2) is freely placed on the step part (10).

3. A safe portable electrically heated fast food container as claimed in claim 1, characterized in that: the heating film (3) is a PI metal heating film, and the thickness of the heating film (3) is not more than 0.4 mm.

4. A safe portable electrically heated fast food container as claimed in claim 1, characterized in that: the power interfaces (41) are multiple, and the multiple power interfaces (41) are selected from at least two types of USB interfaces, male and female connectors, delta-shaped interfaces and magnetic suction interfaces;

in addition, each power interface (41) is connected with one end of the heating film (3) through a relay switch (42), and controlled ends of the relay switches (42) are electrically connected with the control chip (40).

5. A safe portable electrically heated fast food container according to claim 4, characterized in that: the electric control board is further integrated with a buck-boost module (43), the input end of the buck-boost module (43) is respectively connected with the output end of the relay switch (42), the output end of the buck-boost module (43) is electrically connected with one end of the heating film (3), and the controlled end of the buck-boost module (43) is electrically connected with the control chip (40).

6. A safe portable electrically heated fast food container as claimed in claim 1, characterized in that: the first sensor (50) adopts a thermistor temperature sensor; the second sensor (51) adopts a humidity-sensitive resistance sensor or a pressure sensor.

7. A safe portable electrically heated fast food container as claimed in claim 1, characterized in that: the electric control board is further integrated with a warning lamp, and the warning lamp is electrically connected to the control chip (40).

8. A safe portable electrically heated fast food container as claimed in claim 1, characterized in that: the inner wall of the outer box body (1) is also provided with a heat-insulating film (6) in a positioning way.

9. A safe portable electrically heated fast food container as claimed in claim 8, characterized in that: the heat-insulation film (6) is made of aluminum foil, and the heat-insulation film (6) is laid on the inner side vertical wall and the bottom inner wall of the outer box body (1) in a positioning mode.