CN218898673U

CN218898673U - Rechargeable electric heating lunch box

Info

Publication number: CN218898673U
Application number: CN202223392787.XU
Authority: CN
Inventors: 吴海滨; 龙日雄; 廖启伟
Original assignee: Foshan Bullfrog Network Technology Co ltd
Current assignee: Foshan Bullfrog Network Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-25
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a rechargeable electrothermal lunch box, which comprises a control assembly, wherein the control assembly comprises a timer, a touch screen panel and a control panel, the control panel is respectively and electrically connected with the timer and the control panel, a charging port is arranged on the outer side wall of the touch screen panel, and a switch is arranged on the touch screen panel; the control assembly is arranged on the outer side wall of the main body, the main body comprises a lower shell and a storage cavity, and the lower shell is provided with a first installation position; the inner container is detachably arranged in the storage cavity, and a heating element is arranged at the lower part of the inner container; the temperature sensor is electrically connected with the control board; the power supply piece is arranged in the first installation position. The user touches the heating or heat preservation function key on the touch screen panel for a plurality of times according to the heating preference of the user to meal at ordinary times, and the control panel respectively controls the timer, the heating piece and the temperature sensor according to the feedback information of the collected touch screen panel so as to heat or preserve heat of the liner in a limited time, thereby simplifying the use mode of the electric heating lunch box.

Description

Rechargeable electric heating lunch box

Technical Field

The utility model relates to the field of electric heating lunch boxes, in particular to a rechargeable electric heating lunch box.

Background

People often store meal in a lunch box when going out from work or going out from picnic, so that the temperature and taste of the meal are kept, and the meal with good taste can be tasted in time when hungry. However, the temperature of the meal is reduced due to the fact that the meal is stored for a long time, and the taste is greatly affected, so that the electrothermal lunch box can heat the meal in time, and the electrothermal lunch box becomes the choice of the masses.

However, the existing heating type electric heating lunch box needs to be added with water before heating dishes, and then the lunch box is heated by hot water in the heating water tank, so that the use mode of the existing electric heating lunch box for heating dishes is inconvenient, and the space position inside the electric heating lunch box can be influenced by the arrangement of the heating water tank in the electric heating lunch box.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the rechargeable electric heating lunch box which has a simple structure and is convenient to use.

According to the embodiment of the first aspect of the utility model, the rechargeable electrothermal lunch box comprises a control assembly, wherein the control assembly comprises a timer, a touch screen panel and a control panel, the control panel is respectively and electrically connected with the timer and the control panel, a charging port is arranged on the outer side wall of the touch screen panel, and a switch is arranged on the touch screen panel; the control assembly is arranged on the outer side wall of the main body, the main body comprises a lower shell and a storage cavity, and the lower shell is provided with a first installation position; the inner container is detachably arranged in the storage cavity, a heating piece is arranged at the lower part of the inner container, and the heating piece is electrically connected with the control board; the temperature sensor is used for detecting the temperature of the inner container and is electrically connected with the control board; the power supply piece is arranged in the first installation position and is electrically connected with the control board.

The rechargeable electrothermal lunch box provided by the embodiment of the utility model has at least the following technical effects:

the user touches the heating or heat preservation function key on the touch screen panel for a plurality of times according to the heating preference of the user to the meal at ordinary times, and the control panel respectively controls the timer, the heating piece and the temperature sensor according to the information fed back by the collecting touch screen panel so as to heat or preserve heat of the inner container in a limited time, thereby simplifying the use mode of the electric heating lunch box. The electric heating lunch box is arranged on the outer side wall of the main body through the control assembly, so that complex and disordered circuits in the electric heating lunch box are avoided, and the space utilization area in the electric heating lunch box is increased.

According to some embodiments of the utility model, the lower part of the inner container is provided with a heat conducting layer, and the heating element is adhered in the heat conducting layer.

According to some embodiments of the utility model, the pressure release valve is mounted on the liner cover, the liner cover is covered on the liner, a first protruding part, a second protruding part and a sealing element are arranged at the lower part of the liner cover, and the sealing element is mounted between the first protruding part and the second protruding part.

According to some embodiments of the utility model, a third protruding part for protecting the power supply piece is arranged on one side of the storage cavity, and the third protruding part covers the power supply piece.

According to some embodiments of the utility model, the lunch box further comprises a lunch box cover and a buckling lug, wherein the lunch box cover is covered on the main body, the two sides of the lunch box cover are provided with fourth protruding parts, the buckling lug is provided with a connecting part, the fourth protruding parts are provided with mounting holes matched with the connecting part, and the connecting part is connected with the mounting holes.

According to some embodiments of the utility model, the buckling lugs are annular, and the two sides of the main body are respectively provided with a fifth protruding part, and the buckling lugs are buckled on the fifth protruding parts.

According to some embodiments of the utility model, the lower portion of the main body is provided with a drain opening for draining water.

According to some embodiments of the utility model, the bottom of the main body is provided with a second mounting position for mounting the temperature sensor, and the temperature sensor is mounted on the second mounting position.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is an exploded view of a rechargeable electrothermal canteen according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of the body and control assembly connection shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the connection of the storage cavity and the heat conducting layer;

FIG. 4 is a schematic view showing the structure of the connection of the cover and the lugs;

FIG. 5 is a schematic view of the structure of the liner cap and seal connection;

fig. 6 is a top view of the body.

Reference numerals:

a touch screen panel 100, a control board 110, a switch 120, a charging port 130, a temperature sensor 140;

the lower case 200, the storage cavity 210, the third protrusion 211, the first mounting location 220, the fifth protrusion 230, the drain opening 240, and the second mounting location 250;

the inner container 300, the heat conduction layer 310, the inner container cover 320, the first protruding portion 321, the second protruding portion 322, the sealing member 323, the pressure release valve 330 and the heating member 340;

a cover 400, a fourth protruding portion 401, a mounting hole 402, a knob 410, and a connection portion 411;

and a power supply member 500.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Referring to fig. 1 to 6, a rechargeable electrothermal canteen according to an embodiment of the present utility model includes a control assembly, a main body, a liner 300, a temperature sensor 140, and a power supply 500. As shown in fig. 2, a control assembly is coupled to the outer sidewall of the main body by screws, and the control assembly includes a timer, a touch screen panel 100, and a control board 110. A timer is electrically connected to the control board 110 for controlling the heating time to ensure that the meal is at a temperature preferred by the user. The touch screen panel 100 is electrically connected with the control board 110, and the touch screen panel 100 may be provided with a heating key, a heat preservation key, and a switch 120 for turning on the control board 110 so that a user may touch the heating key or the heat preservation key several times to obtain the temperature of his favorite meal. In particular, a person who prefers hotter meals may touch the heating key multiple times to extend the heating time. The outer side wall of the touch screen panel 100 is provided with a charging port 130 so as to facilitate the user to charge the electric heating lunch box.

As shown in fig. 2, the main body includes a lower housing 200 and a storage cavity 210, the lower housing 200 is provided with a first mounting position 220, and the control assembly is mounted on the outer sidewall of the main body, thereby saving the space for placing the control assembly inside the main body, and improving the use space inside the main body. As shown in fig. 1, the inner container 300 is detachably mounted in the storage cavity 210, a user can directly put food into the inner container 300 or put a lunch box filled with food into the inner container 300, the inner container 300 can be detached from the storage cavity 210 for cleaning, and the inner container 300 can be set into various models with different sizes according to actual requirements. The heating member 340 is provided at the lower portion of the inner container 300, the heating member 340 is electrically connected with the control board 110, the heating member 340 is used for heating the inner container 300, and heat is transferred to the meal through the inner container 300. The temperature sensor 140 is used for detecting the temperature of the inner container 300 to prevent the temperature of the inner container 300 from being too high, when the temperature of the inner container 300 is higher than 80 degrees, the temperature sensor 140 feeds back information to the control board 110, the control board 110 controls the heating member 340 to temporarily stop heating to protect the inner container 300, and the temperature sensor 140 is electrically connected with the control board 110. As shown in fig. 1, 2 and 6, the power supply member 500 is installed in the first installation location 220, the power supply member 500 is electrically connected with the control board 110, and the power supply member 500 may be a rechargeable lithium battery. Therefore, the operator touches the switch 120 on the touch screen panel 100 to turn on the control panel 110, and then touches the touch screen panel 100 several times according to his/her preference for the temperature of the food, and the control panel 110 controls the heating element 340, the timing element and the temperature sensor 140 according to the information received by the touch screen panel 100, thereby ensuring the temperature control of the food, and simplifying the use of the electrothermal canteen.

In some embodiments of the present utility model, as shown in fig. 1, in order to increase the service life of the liner 300, a heat conductive layer 310 is provided at the lower portion of the liner 300, and a heating member 340 is adhered to the heat conductive layer 310, so that heat generated from the heating member 340 can be transferred to the inside of the lunch box more quickly. Specifically, the heating member 340 may be a heat generating sheet in the shape of a sheet.

In a further embodiment of the present utility model, as shown in fig. 1 and 5, in order to facilitate opening the liner cover 320 without scalding hands after heating, the present utility model further comprises a liner cover 320 and a pressure release valve 330, wherein the pressure release valve 330 is installed on the liner cover 320, the liner cover 320 is covered on the liner 300, and an operator can release the air pressure in the lunch box by opening the pressure release valve 330, so as to avoid scalding caused by steam in the lunch box. The lower part of the liner cover 320 is provided with a first protrusion 321, a second protrusion 322 and a sealing member 323, the sealing member 323 is installed between the first protrusion 321 and the second protrusion 322, and the sealing member 323, the first protrusion 321 and the second protrusion 322 are matched, so that the connection tightness of the liner cover 320 and the liner 300 is improved, and the heating efficiency is improved.

In some embodiments of the present utility model, as shown in fig. 1 and 3, in order to avoid leakage caused by splashing food or soup onto the power supply member 500, a third protrusion 211 for protecting the power supply member 500 is provided on one side of the storage cavity 210, and the third protrusion 211 covers the power supply member 500, thereby improving the safety of the electrothermal lunch box.

In a further embodiment of the present utility model, as shown in fig. 1 and 4, in order to facilitate the opening of the electrothermal canteen without scalding hands after heating, the electrothermal canteen further comprises a canteen cover 400 and a button tab 410, wherein the canteen cover 400 is covered on the main body, the two sides of the canteen cover 400 are provided with a fourth protruding part 401, the button tab 410 is provided with a connecting part 411, the fourth protruding part 401 is provided with a mounting hole 402 matched with the connecting part 411, and the connecting part 411 is connected with the mounting hole 402.

In some embodiments of the present utility model, as shown in fig. 1, in order to prevent the lid 400 from being accidentally opened during the preservation of dishes, the latch 410 has a ring shape, and both sides of the main body are respectively provided with the fifth protrusions 230, and the latch 410 is latched to the fifth protrusions 230, thereby improving the connection stability of the lid 400 and the main body.

In a further embodiment of the present utility model, as shown in fig. 2, a drain outlet 240 for draining water is provided at the lower portion of the main body, so that the rice juice or soup can be timely drained through the drain outlet 240 when the rice juice or soup is scattered from the inner container 300 to the main body, thereby avoiding the leakage of the rice juice or soup.

In some embodiments of the present utility model, as shown in fig. 6, a second mounting location 250 for mounting the temperature sensor 140 is provided at the bottom of the main body, and the temperature sensor 140 is mounted on the second mounting location 250. When the temperature sensor 140 detects that the temperature of the liner 300 is too high, information can be fed back to the control board 110 in time, and the control board 110 controls the power supply 500 to be powered off, so that the safety performance of the lunch box is improved.

In the description of the present specification, reference to the term "some embodiments" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A rechargeable electrothermal canteen, comprising:

the control assembly comprises a timer, a touch panel (100) and a control board (110), wherein the control board (110) is respectively and electrically connected with the timer and the control board (110), a charging port (130) is arranged on the outer side wall of the touch panel (100), and a switch (120) is arranged on the touch panel (100);

the control assembly is arranged on the outer side wall of the main body, the main body comprises a lower shell (200) and a storage cavity (210), and the lower shell (200) is provided with a first installation position (220);

the inner container (300) is detachably arranged in the storage cavity (210), a heating piece (340) is arranged at the lower part of the inner container (300), and the heating piece (340) is electrically connected with the control panel (110);

a temperature sensor (140), wherein the temperature sensor (140) is used for detecting the temperature of the inner container (300), and the temperature sensor (140) is electrically connected with the control board (110);

the power supply piece (500), the power supply piece (500) is installed in first installation position (220), power supply piece (500) with control panel (110) electricity is connected.

2. A rechargeable electrothermal canteen according to claim 1, wherein: the lower part of the inner container (300) is provided with a heat conduction layer (310), and the heating piece (340) is stuck in the heat conduction layer (310).

3. A rechargeable electrothermal canteen according to claim 2, wherein: still include inner bag lid (320) and relief valve (330), relief valve (330) install in inner bag lid (320), inner bag lid (320) lid in on inner bag (300), inner bag lid (320) lower part is equipped with first protruding portion (321), second protruding portion (322) and sealing member (323), sealing member (323) install in between first protruding portion (321) with second protruding portion (322).

4. A rechargeable electrothermal canteen according to claim 1, wherein: one side of the storage cavity (210) is provided with a third protruding part (211) for protecting the power supply piece (500), and the third protruding part (211) is covered on the power supply piece (500).

5. A rechargeable electrothermal canteen according to claim 1, wherein: still include lunch-box lid (400) and detain ear (410), lunch-box lid (400) lid close in the main part, lunch-box lid (400) both sides are equipped with fourth protruding portion (401), detain ear (410) and be equipped with connecting portion (411), fourth protruding portion (401) be equipped with connecting portion (411) assorted mounting hole (402), connecting portion (411) are connected mounting hole (402).

6. The rechargeable electrothermal canteen according to claim 5, wherein: the buckling lugs (410) are annular, fifth protruding portions (230) are respectively arranged on two sides of the main body, and the buckling lugs (410) are buckled on the fifth protruding portions (230).

7. A rechargeable electrothermal canteen according to claim 1, wherein: the lower portion of the main body is provided with a drain outlet (240) for draining water.

8. A rechargeable electrothermal canteen according to claim 1, wherein: the bottom of the main body is provided with a second installation position (250) for installing the temperature sensor (140), and the temperature sensor (140) is installed on the second installation position (250).