CN219069636U

CN219069636U - Electric heating lunch box

Info

Publication number: CN219069636U
Application number: CN202022955679.3U
Authority: CN
Inventors: 史庭飞; 李建
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2023-05-26
Anticipated expiration: 2030-12-11

Abstract

The application discloses electrical heating lunch-box, including at least one lunch-box body, this internal heating element that is equipped with of lunch-box, power pack is used for connecting a or a plurality of lunch-box bodies that the stromatolite set up or array set up, to this internal heating element power supply of lunch-box. According to the technical scheme that this application embodiment provided, when the lunch-box body can the stromatolite setting or be connected with power supply unit through other mode of freely combining, supply power to a plurality of lunch-box bodies through this power supply unit, heat the lunch-box body.

Description

Electric heating lunch box

Technical Field

The utility model relates to the technical field of household appliances in general, in particular to an electric heating lunch box.

Background

In cities, the proportion of fast food consumed in lunch every day is continuously rising in the life of the white collar of the office where the work rhythm is rapid and tension. In recent years, the food safety problem of media such as televisions, newspapers and the like which are popped out of the fast food industry is paid attention to, and more office white collars are biased to have lunch so as to ensure the sanitation and safety of food. Therefore, an electric heating lunch box capable of heating food by itself appears in the market, but the existing electric heating lunch box needs to be added with water when heating, and the food is heated by steam after heating, so that the electric heating lunch box is inconvenient to carry and use.

Disclosure of Invention

In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide an electrically heated cutlery box.

In a first aspect, there is provided an electrically heated cutlery box comprising at least one cutlery box body having a heating element disposed therein,

the power supply assembly is used for being connected with one lunch box body or a plurality of lunch box bodies which are arranged in a laminated mode or an array mode and supplying power to the heating elements in the lunch box bodies.

According to the technical scheme provided by the embodiment of the application, when the lunch box body can be arranged in a laminated manner or is connected with the power supply assembly in other free combination modes, power is supplied to the lunch box bodies through the power supply assembly, and the lunch box bodies are heated; through setting up heating element in the lunch-box body, directly heat the lunch-box through this heating element, need not to add water and produce steam and heat the food in the lunch-box, use convenient and conveniently carry.

As an achievable mode, the power supply component is arranged at the top of one lunch box body or a plurality of lunch box bodies which are arranged in a laminated way;

or the power supply component is arranged at the bottom of one lunch box body or a plurality of lunch box bodies arranged in a laminated mode or the bottom of the lunch box bodies distributed in an array mode.

The mounting position of the power supply assembly in the scheme can be various, and the power supply assembly can be arranged at the top of the lunch box body or at the bottom of the lunch box body, and is selected according to actual requirements.

As an achievable mode, the lunch box body comprises a shell, an inner container and a bottom cover, wherein a cavity is formed in the shell, the inner container is placed in the cavity, the bottom cover is arranged on one side of the inner container, which is not provided with an opening, and the heating element is arranged on the surface, close to the bottom cover, of the inner container;

the lunch box is characterized in that a pair of first electrodes are arranged on the upper end face of the lunch box body, a pair of second electrodes are arranged on the lower section of the lunch box body, and the first electrodes and the second electrodes are connected to the heating element through wires.

Through setting up heating element in the lunch-box body, directly heat the lunch-box through this heating element, need not to add water and produce steam and heat the food in the lunch-box, use convenient and conveniently carry to the realization mode of walking the line to the lunch-box body with electric heating is provided.

As an achievable manner, the power supply assembly comprises a base, one or more first battery units; each first battery unit is electrically connected with a pair of third electrodes (23), and the third electrodes are exposed out of the base;

after the lunch box body and the power supply component are matched and installed, the second electrode is contacted with the third electrode.

The power supply assembly in this scheme sets up to the base, sets up one or more battery unit on the base, and the battery unit is connected the third electrode and is realized the heating to the lunch-box body.

As an achievable mode, the power supply assembly comprises a shell, wherein a second battery unit is arranged in the shell, a pair of fourth electrodes electrically connected with the second battery unit are arranged on the shell, and the fourth electrodes are exposed out of the shell; after the lunch box body and the power supply component are matched and installed, the first electrode is contacted with the fourth electrode.

The power supply assembly in the scheme is arranged at the top end of the lunch box body, a battery unit is arranged in the lunch box body to supply power, the battery unit is connected with a fourth electrode, and the fourth electrode is in contact with the first electrode to supply power to the lunch box body for heating.

As an realizable mode, a rotatable buckle and a first boss are arranged on the outer side of the shell, a second boss is arranged on the outer side of the shell,

the buckle can be clamped with the first boss or the second boss.

In this scheme with this electrical heating lunch-box setting for the structure that has the buckle, the power pack and the lunch-box body at top are fixed through the buckle, also can remove when the heating for this electrical heating lunch-box can portable.

As an achievable mode, the lunch box body further comprises a top cover, and the top cover is arranged to cover the opening of the liner;

the bottom cover is provided with a groove in an upward protruding mode, and the top cover is in interference fit with the groove. In this scheme the top cap covers on the inner bag, covers the food in the inner bag, and the top cap does not cover the first electrode on the shell simultaneously for when the lunch-box body carries out the superpose, the electrode contacts and heats simultaneously.

As a realizable way, one of the top cover and the bottom cover is provided with a magnet, and the other is a material which can be absorbed by the magnet.

In this scheme, when the lunch-box body carries out the stromatolite and places, through the adsorption of magnet for more stable between the lunch-box body of superpose. As an achievable mode, a temperature control device is further arranged on the surface, close to the bottom cover, of the inner container, and the temperature control device is electrically connected with the heating element and is used for detecting the temperature of the inner container and controlling the starting and stopping of the heating element according to the detected temperature.

In the scheme, the heating temperature in the lunch box is controlled by the temperature control device, so that the lunch box is always in a heat-preserving state.

As an achievable way, the first electrode, the second electrode, the third electrode and the fourth electrode are elastically compressible.

In the scheme, each electrode can be elastically compressed, so that electric connection and heating can be stably performed when the electrode is required to be used after being installed.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIGS. 1-6 are schematic views showing the structure of an electrically heated lunch box according to an embodiment;

FIG. 7 is a cross-sectional view of a rice box body according to one embodiment;

FIG. 8 is a cross-sectional view of two lunch box bodies stacked in one embodiment;

FIG. 9 is an exploded view of the lunchbox body of FIG. 7;

FIG. 10 is a schematic diagram of a power supply structure in one embodiment;

FIG. 11 is a schematic view of an electrical heating lunchbox in another embodiment;

FIG. 12 is an exploded view of a rice box body according to another embodiment;

FIG. 13 is a schematic view of a portion of a liner structure of a rice box according to another embodiment;

FIG. 14 is a schematic view showing the structure of an electrically heated lunchbox in another embodiment.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 and 11, the present embodiment provides an electrically heated lunchbox, which comprises at least one lunchbox body 1, wherein a heating element 14 is arranged in the lunchbox body 1,

a power supply assembly 2, wherein the power supply assembly 2 is used for connecting one or a plurality of lunch box bodies 1 arranged in a laminated mode or an array mode to supply power to the heating element 14 in the lunch box body 1.

When the lunch box body can be arranged in a laminated mode or is connected with the power supply assembly in other free combination modes, power is supplied to the lunch box bodies through the power supply assembly, and the lunch box bodies are heated; through setting up heating element in the lunch-box body, directly heat the lunch-box through this heating element, need not to add water and produce steam and heat the food in the lunch-box, use convenient and conveniently carry.

Further, the power supply component 2 is installed on the top of one lunch box body 1 or a plurality of lunch box bodies 1 which are arranged in a stacked manner;

or, the power supply component 2 is installed at the bottom of one lunch box body 1 or a plurality of stacked lunch box bodies 1 or the lunch box bodies 1 distributed in an array.

When the lunch box body can be arranged in a laminated mode or connected with the power supply assembly in other free combination modes, power is supplied to the plurality of lunch box bodies through the power supply assembly, and the lunch box bodies are heated. The specific setting form of the power supply assembly can be various, the power supply assembly can be set as a base, as shown in fig. 1, the lunch box body is placed above the power supply assembly for electrifying and heating, the specific base can be placed at a place where an office or the like heats without moving, a user can carry the lunch box body at ordinary times, and meanwhile, one power supply assembly can supply a plurality of lunch box bodies for heating, so that the lunch box is convenient to use; the power supply assembly can be further arranged into a top cover mode, as shown in fig. 11, the power supply assembly is placed above the lunch box body to be electrified and heated, the lunch box body can still be overlapped to be electrified and heated, the power supply assembly and the lunch box body can be moved together by the aid of the electric heating lunch box in the mode, convenience in carrying is achieved, food can be heated in the lunch box in real time, and the heat preservation function is further achieved.

In the embodiment, two schemes of mounting the lunch box body and the power supply component are provided, as shown in fig. 1 to 10, one scheme is that the power supply component is arranged in a base, when the lunch box body is mounted above the power supply component to be heated, the lunch box body can be mounted in a laminated manner to be placed when the lunch box body is required to be heated, for example, the structure shown in fig. 4, 5 and 6 is formed, in the embodiment, the base of the power supply component is provided with one first battery unit or two first battery units, even more first battery units are arranged on the base, as shown in fig. 1, only one first battery unit is arranged on the base, the lunch box body is powered and heated through the first battery units, when a plurality of lunch boxes need to be heated, the lunch box body can be stacked on the battery units, or two first battery units are arranged on the base to form the structure shown in fig. 2-6 and 10, the two first battery units can be arranged side by side to be independently operated to be used for heating the lunch box body mounted above the lunch box body, in the embodiment, and the two first battery units are not required to be placed side by side, and the two first battery units can be placed side to be practically according to the practical requirement, and the practical requirement is met, and the two battery units can be arranged in the practical structure is formed, and the practical requirement is shown in the fig. 4; in addition, the power supply assembly in the embodiment can be connected with the power supply adapter, and is used for supplying power and charging the first battery unit in a charging mode, so that the power supply assembly is more convenient to use. The first battery unit can be directly used for heating the lunch box body through an external power supply without being arranged, and the position where the first battery unit is arranged is still arranged to be in a structure shown in the figure, so that the lunch box body can be placed and installed conveniently.

Further, the lunch box body 1 comprises a shell 11, an inner container 12 and a bottom cover 13, wherein a cavity is formed in the shell 11, the inner container 12 is placed in the cavity, the bottom cover 13 is arranged on one side of the inner container 12, which is not provided with an opening, and a heating element 14 is arranged on the surface of the inner container 12, which is close to the bottom cover 13;

the upper end face of the lunch box body 1 is provided with a pair of first electrodes 16, the lower section is provided with a pair of second electrodes 17, and the first electrodes 16 and the second electrodes 17 are connected to the heating element 14 through wires.

Through setting up heating element in this internal at the lunch-box in this application, directly heat the lunch-box through this heating element, need not to add water and produce steam and heat the food in the lunch-box, use convenient and conveniently carry.

In this embodiment, two pairs of electrodes and heating elements are disposed on the lunch box body, the two pairs of electrodes are respectively connected to the heating elements through wires, the heating elements can be in a resistance wire structure, the first electrode pair is disposed at the top end of the casing, i.e. on one side of the opening of the liner, the second electrode pair is disposed at the bottom end of the bottom cover, i.e. on the bottom surface of the lunch box body, when the lunch box body is stacked, the second electrode pair of the upper lunch box body is electrically connected with the first electrode pair of the lower lunch box body, so that the plurality of lunch box bodies can be stacked and heated simultaneously, a structure as shown in fig. 8 or 11 is formed, and a user can conveniently and simultaneously heat the plurality of lunch box bodies.

Further, the power supply assembly 2 includes a base 21, one or more first battery units 22; a pair of third electrodes 23 are electrically connected to each of the first battery cells 22, and the third electrodes 23 are disposed so as to be exposed to the base 21;

after the lunch box body 1 is matched with the power supply component 2, the second electrode 17 is contacted with the third electrode 23.

When the battery units are arranged to be of a base structure and are placed at the lowest part of the lunch box body to supply power, as shown in fig. 10, a schematic diagram of arranging two first battery units on the base is shown in fig. 10, and the number of the first battery units can be actually selected according to the requirement of a user; every first battery unit all is connected with the third electrode pair, and when lunch-box body and power module installation, the second electrode pair on the lunch-box body is connected with the third electrode pair is to realizing the electricity, consequently, the third electrode pair needs to expose the base setting to in order to contact with the second electrode pair, realizes the conduction of electricity. The power supply assembly in this embodiment further includes a charging device that can charge the first battery unit.

More than one first battery cell 22 is arranged side by side or in an array on the base 21. When two or more than two first battery units are arranged on the base, the lunch box body is powered through the two or more than two battery units, as shown in fig. 3, the two first battery units are arranged side by side, and when more first battery units are arranged on the base, all the first battery units can be arranged side by side or distributed in an array.

Further, the power supply assembly 2 includes a housing 24, a second battery unit 25 is disposed in the housing 24, a pair of fourth electrodes 26 electrically connected to the second battery unit 25 are disposed on the housing 24, and the fourth electrodes 26 are exposed out of the housing 24; after the lunch box body 1 is matched with the power supply assembly 2, the first electrode 16 is contacted with the fourth electrode 26.

Fig. 11 to 14 show another power supply mode of the electric heating lunch box, the power supply assembly is arranged above the lunch box body to be electrified and heated, and the power supply assembly and the lunch box body are further fixed through structures such as buckles, so that the electric heating lunch box can move along with the lunch box, is convenient to carry, can heat food in the lunch box body in real time, and has a heat preservation function. Meanwhile, the lunch box bodies can be stacked, a plurality of lunch box bodies are stacked to form a structure shown in fig. 11, and further stacking of the lunch box bodies can be performed according to requirements to place a plurality of lunch box bodies.

The battery unit in this embodiment is configured as a top cover structure, and is placed above the lunch box body to supply power, as shown in fig. 11 and 14, where the power supply assembly includes a housing, a second battery unit is disposed in the housing, and the second battery unit is electrically connected with a fourth electrode pair, and when the lunch box body is mounted with the power supply assembly, the fourth electrode pair is electrically connected with the first electrode pair on the lunch box body, so that the fourth electrode pair needs to be exposed to the housing, and specifically exposes to one side of the housing close to the lunch box body. The power supply assembly in this embodiment further includes a charging device that can charge the second battery cell.

Further, a pair of rotatable buckles 19 and a pair of first bosses 110 are arranged on the outer side of the shell 11, a second boss 29 is arranged on the outer side of the shell 11, and the buckles 19 can be clamped with the first bosses 110 or the second bosses 29.

In the embodiment, the rotatable buckle is arranged on the outer shell of the lunch box body, the second boss is arranged on the shell of the power supply component, and when the lunch box body is installed with the power supply component, the rotatable buckle is matched with the second boss to realize connection, and the lunch box can also move with the power supply component when being heated; the outer shell of the lunch box body is further provided with the first boss which can be matched with the buckle, when a plurality of lunch box bodies are stacked to form the structure shown in fig. 11, the buckle of the lower lunch box body is matched with the first boss of the upper lunch box body to realize connection, the connection of the plurality of lunch box bodies can be further realized, and the plurality of lunch box bodies are heated and insulated simultaneously.

Further, the first electrode 17 is located between the clasp 19 and the housing 11. The first electrode in this embodiment is not covered by the top cap, exposes the surface setting of shell to be convenient for carry out the electricity with the fourth electrode contact on the power module and be connected, in order to guarantee the security of electrical heating lunch-box when the heating of power supply is used, set up the buckle in the position of first electrode in this embodiment, first electrode is located between buckle and the casing, and when charging, the buckle is fixed with first boss cooperation, guarantees the connection between the two, the difficult condition that appears shifting. The electrical heating lunch box in this embodiment is provided with the handle, and when power module and lunch-box body were fixed and are heated, the user can also remove at will, sets up the handle and makes things convenient for user's use more.

Further, a travel switch 27 is arranged in the shell 24, a protruding rod 30 is arranged on the shell 11, and a push rod 28 of the travel switch 27 is matched with the protruding rod 30 to control the on-off of the travel switch 27.

As shown in fig. 11 and 14, a travel switch is disposed in a casing of the electric heating lunch box, the travel switch includes a push rod, a protruding rod 30 is disposed on a casing, a hinge table is disposed at a position of a buckle disposed on the casing, the protruding rod 30 is specifically disposed on the hinge table, and after the casing of the electric heating lunch box and the lunch box body are mounted, the protruding rod pushes the push rod, so that a power supply assembly supplies power to the lunch box body for heating. The push rod 28 may be a connecting rod penetrating through the bottom of the casing, where the bottom of the casing is a surface of the casing on which the fourth electrode is disposed, the connecting rod is connected to a fixed block, and the connecting rod may move along the axial direction to drive the fixed block to move, and when the fixed block touches the first switch, the first switch is turned on.

Further, the above travel switch 27 is disposed between the bottom cover 13 and the liner 12, and a protruding rod matched with a push rod of the travel switch is disposed on the casing 11 of the next lunch box body.

As shown in fig. 11 and 12, a travel switch is provided between the bottom cover and the liner of each of the lunch box bodies, and when the electric heating lunch box is installed in a stacked manner, the protruding rod on the lower lunch box body triggers the travel switch of the upper lunch box, so that the power supply assembly supplies power to the plurality of lunch box bodies to heat.

The same as the above embodiment, the push rod 28 may be a connecting rod penetrating through the bottom cover, where the connecting rod is connected to a fixed block, and the connecting rod can move along the axial direction to drive the fixed block to move, and when the fixed block touches the second switch, the second switch is turned on.

In this embodiment, by setting the connecting rod structure and the fixed block, the connecting rod can move along the axial direction as the trigger structure for triggering the travel switch, so that the fixed block contacts the travel switch, and when contacting the travel switch, the travel switch is turned on. The heating condition in the lower lunch box body is controlled through the travel switch of the upper lunch box body, so that the electric heating lunch box is safer. The above-mentioned components such as the switch provided between the bottom cover and the liner may be provided not only in the electrically heated lunchbox shown in fig. 11 to 14 but also in the electrically heated lunchbox shown in fig. 1 to 10, which are not explicitly shown.

Further, the lunch box body 1 further comprises a top cover 15, and the top cover 15 is arranged to cover the opening of the liner 12;

the bottom cover 13 is provided with a groove 18 in an upward protruding mode, and the top cover 15 is in interference fit with the groove 18.

In this embodiment, set up the top cap on the lunch-box body still, cover the inner bag opening through the top cap, guarantee to form confined environment, be convenient for food is placed and is stored, and this top cap does not cover first electrode pair simultaneously for when a plurality of lunch-box bodies superpose, the electrode pair of upper and lower lunch-box body can be contacted each other and realize the electric connection, so that carry out the electrical heating to the lunch-box body of superpose simultaneously.

In order to guarantee the installation effect between lunch-box body and the power supply module in this embodiment for the lunch-box structure is comparatively stable in the heating of power supply, sets up a recess on the bottom, and the recess is installed with first battery unit matching, and when a plurality of lunch-box bodies carried out the stromatolite setting, recess and top cap interference fit, easy to assemble.

Further, a temperature control device 121 is further disposed on the surface of the inner container 12 near the bottom cover 13, and the temperature control device 121 is electrically connected with the heating element 14, and is used for detecting the temperature of the inner container 12 and controlling the start and stop of the heating element 14 according to the detected temperature.

As shown in fig. 13, in this embodiment, a temperature control device is provided to detect the temperature of the liner in real time, for example, when the temperature of the liner is heated to 60 ℃, the temperature control device controls the heating element to stop heating, and when the temperature of the liner is reduced to 30 ℃, the temperature control device controls the heating element to continue heating, so as to ensure the heat preservation function of the electric heating lunch box; the temperature control device may also be provided in an electrically heated cutlery box as shown in fig. 1 to 10, which is not explicitly shown.

Further, one of the top cover 15 and the bottom cover 13 is provided with a magnet, and the other is a material that can be attracted by the magnet.

In this scheme, when the lunch-box body carries out the stromatolite and places, through the adsorption of magnet for more stable between the lunch-box body of superpose.

Further, the first electrode 16, the second electrode 17, the third electrode 23, and the fourth electrode 26 are elastically compressible.

In this embodiment, each electrode is elastically compressible, so that stable electrical connection and heating can be performed when the electrode needs to be used after installation.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but also covers other technical solutions which may be formed by any combination of the features described above or their equivalents without departing from the inventive concept. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. The electric heating lunch box is characterized by comprising two or more lunch box bodies (1), wherein a heating element (14) is arranged in each lunch box body (1), the heating element (14) is used for directly heating the lunch box bodies (1), and the two or more lunch box bodies (1) are arranged in a laminated mode or in an array mode;

a power supply assembly (2), wherein the power supply assembly (2) can supply power to two or more heating elements (14) in the lunch box body (1) which are arranged in a laminated mode or an array mode.

2. An electrically heated cutlery box according to claim 1, characterized in that the power supply assembly (2) is mounted on top of one of the cutlery box bodies (1) or a plurality of stacked cutlery box bodies (1);

or, the power supply assembly (2) is arranged at the bottom of one lunch box body (1) or a plurality of lunch box bodies (1) which are arranged in a laminated way or the lunch box bodies (1) distributed in an array way.

3. The electrically heated cutlery box according to claim 1, characterized in that the cutlery box body (1) comprises a casing (11), an inner container (12) and a bottom cover (13), wherein a cavity is arranged in the casing (11) and is used for placing the inner container (12), the bottom cover (13) is arranged on one side of the inner container (12) which is not provided with an opening, and the heating element (14) is arranged on the surface of the inner container (12) close to the bottom cover (13);

the lunch box is characterized in that a pair of first electrodes (16) are arranged on the upper end face of the lunch box body (1), a pair of second electrodes (17) are arranged on the lower end face of the lunch box body, and the first electrodes (16) and the second electrodes (17) are connected to the heating element (14) through wires.

4. An electrically heated cutlery box according to claim 3, characterized in that the power supply assembly (2) comprises a base (21), one or more first battery units (22); a pair of third electrodes (23) are electrically connected to each of the first battery cells (22), and the third electrodes (23) are arranged so as to be exposed from the base (21);

after the lunch box body (1) and the power supply assembly (2) are installed in a matched mode, the second electrode (17) is in contact with the third electrode (23).

5. The electric heating cutlery box according to claim 4, characterized in that the power supply assembly (2) comprises a housing (24), a second battery unit (25) is arranged in the housing (24), a pair of fourth electrodes (26) electrically connected with the second battery unit (25) are arranged on the housing (24), and the fourth electrodes (26) are exposed out of the housing (24); after the lunch box body (1) and the power supply assembly (2) are installed in a matched mode, the first electrode (16) is in contact with the fourth electrode (26).

6. An electrically heated cutlery box according to claim 5, characterized in that the outer side of the outer shell (11) is provided with a rotatable catch (19) and a first boss (110), the outer side of the housing (24) is provided with a second boss (29),

the buckles (19) can be clamped with the first boss (110) or the second boss (29).

7. An electrically heated cutlery box according to any of claims 3-6, characterized in that the cutlery box body (1) further comprises a top cover (15), said top cover (15) being arranged to cover the opening of the inner container (12);

the bottom cover (13) is provided with a groove (18) in an upward protruding mode, and the top cover (15) is in interference fit with the groove (18).

8. An electrically heated cutlery box according to claim 7, characterized in that one of the top cover (15) or the bottom cover (13) is provided with a magnet and the other is of a material that can be attracted by the magnet.

9. The electric heating lunch box according to claim 7, wherein a temperature control device (121) is further arranged on the surface of the inner container (12) close to the bottom cover (13), and the temperature control device (121) is electrically connected with the heating element (14) and is used for detecting the temperature of the inner container (12) and controlling the starting and stopping of the heating element (14) according to the detected temperature.

10. An electrically heated cutlery box according to claim 5, characterized in that the first electrode (16), the second electrode (17), the third electrode (23) and the fourth electrode (26) are elastically compressible.