CN213215751U

CN213215751U - Lunch box with heating safety warning function

Info

Publication number: CN213215751U
Application number: CN202021643518.4U
Authority: CN
Inventors: 秦龙
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-18
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a lunch box with heating safety warning function, which comprises a shell, wherein a ceramic heat insulation plate is fixedly arranged on the inner side surface of the shell, a stainless steel inner container is arranged in the ceramic heat insulation plate in a threaded connection manner, a water filling port is arranged on the upper surface of the stainless steel inner container in a penetrating manner, a water pipe is spirally arranged between the stainless steel inner container and the ceramic heat insulation plate, the water inlet end of the water pipe is communicated with the position of the water filling port, a sealing cover is arranged on the upper surface of the shell, a base is fixedly arranged on the lower surface of the shell, a placement groove and a through groove are arranged on the upper surface of the base, a circuit heating component is fixedly arranged in the placement groove and is connected with the water pipe, a placement box which can be taken out is arranged in the placement groove, the water outlet end of the water pipe is positioned at the port of the placement box, when no power supply is used for heating, a, the stainless steel inner container is heated, food is heated, the structure is simple, and the use is convenient.

Description

Lunch box with heating safety warning function

The technical field is as follows:

the utility model relates to a system lunch-box technical field specifically is a lunch-box with heating safety warning function.

Background art:

at present, disposable foods convenient to carry are endless, but for long-time outgoing and business trip, the requirements of food safety, saving and hobby cannot be met by convenient foods, the productivity is determined by the requirements, the portable lunch box can perfectly solve the problem of the requirements, a user can enjoy fresh foods without searching for a quick dining room, and the conventional lunch box cannot preheat foods without a power supply, so that the lunch box is very inconvenient.

The utility model has the following contents:

an object of the utility model is to provide a refrigeration plant convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lunch box with a heating safety warning function comprises a shell, wherein a ceramic heat insulation plate is fixedly installed on the inner side surface of the shell, a stainless steel inner container is installed in the ceramic heat insulation plate in a threaded manner, a water filling port is formed in the upper surface of the stainless steel inner container in a penetrating manner, a water pipe made of a metal heat conduction material is spirally installed between the stainless steel inner container and the ceramic heat insulation plate, the water inlet end of the water pipe is communicated with the position of the water filling port, a sealing ring is arranged between the water pipe and the stainless steel inner container, a pipe orifice control valve is arranged at the water outlet end of the water pipe, a sealing cover is installed on the upper surface of the shell, a base is fixedly installed on the lower surface of the shell, a placement groove and a through groove are formed in the upper surface of the base, a circuit heating assembly is fixedly installed in the placement groove and connected with the water pipe, and a placement, the water outlet end of the water pipe is positioned at the port of the placing box, a tool bag is placed in the placing box, lime is used as a main material of the tool bag, and a self-heating system is triggered after water is added, so that the water is quickly heated and boiled to generate hot steam.

Preferably, the upper surface fixed mounting of sealed lid has the handle, the louvre has been seted up to the upper surface of sealed lid, and the lower fixed surface of sealed lid installs fluted sealing ring, and the internal surface of fluted sealing ring and the surface laminating of casing can dispel the heat to the food that heat soared through the louvre, are smoked by steam when avoiding opening sealed lid.

Preferably, a circuit partition board is fixedly installed in the placing groove, a temperature control switch is fixedly installed on the front surface of the base, a USB wiring port is installed on the left surface of the base in an embedded mode, the circuit heating assembly comprises a temperature control circuit board, the upper surface of the temperature control circuit board penetrates through the circuit partition board and is fixedly connected with a heating resistor and a thermistor, the heating resistor and the thermistor are both fixedly connected with the outer surface of the water pipe, when electric heating is selected, water is injected into the water pipe through a water injection port, the USB wiring port is connected with a power supply through a USB interface power line, the temperature control switch is used for selectively heating, the heating resistor heats the water in the water pipe, the heating display lamp is normally on, the stainless steel inner container is heated, food is heated, when the temperature is heated to a certain temperature, the thermistor reacts on the temperature control circuit board, the heating display lamp flickers, and the manual control temperature control switch is used, the heating display lamp is turned off, the heat preservation display lamp is normally on, and the food heating is finished.

Preferably, the rear surface of the base is fixedly provided with a heat preservation display lamp and a heating display lamp, the heat preservation display lamp, the heating display lamp, the temperature control circuit board, the temperature control switch, the heating resistor and the thermistor are in circuit connection, the heating display lamp is red in color and used for prompting that food is being heated, and the heat preservation display lamp is green in color and used for prompting that the food is heated.

Preferably, place the fixed surface of box and install the rubber sleeve, the surface of rubber sleeve and the laminating of the internal surface that leads to the groove guarantee to place the box and lead to the leakproofness between the groove, avoid hot water to spill.

Preferably, the outer surface symmetry fixed mounting of casing has the arc handle, and the casing is the PVC material, conveniently takes, and the PVC material has waterproof thermal-insulated effect, avoids the stainless steel inner bag scald after the internal heating when taking.

Preferably, the even fixed mounting in surface of base has eight to fall eight types couples, falls eight types couple and is used for the winding to hang the USB power cord, is convenient for accomodate the USB power cord.

Preferably, the outer surface of the ceramic heat-insulating plate is provided with a heat-insulating film, so that the heat-insulating effect is better.

Preferably, the sealing cover is made of transparent glass material, so that the heating condition of food can be observed through the sealing cover.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be provided with the base, through the even fixed mounting type of falling eight couple at the surface of base, conveniently accomodate the USB power cord, and then conveniently carry, the utility model discloses be provided with the water pipe, set up logical groove through the lower surface at the base, logical inslot internal rotation inserts the installation and places the box, can place the instrument package in placing the box, can heat the food in the stainless steel inner bag under the condition that does not have the power, it is practical more convenient, the utility model discloses be provided with circuit heating element, can make the lunch-box heat pluralism.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the right side of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the present invention.

Fig. 4 is a circuit analysis diagram of the present invention.

In the figure: 1. the solar water heater comprises a shell, 11, a ceramic heat insulation plate, 12, a stainless steel inner container, 121, a water filling port, 13, a water pipe, 14, an arc-shaped handle, 2, a sealing cover, 21, a handle, 22, a heat dissipation hole, 3, a base, 31, a placement groove, 311, a circuit partition board, 32, a through groove, 33, an inverted eight-shaped hook, 4, a temperature control circuit board, 41, a heating resistor, 42, a thermistor, 43, a USB wiring port, 44, a temperature control switch, 45, a heat preservation display lamp, 46, a heating display lamp, 5, a placement box, 51 and a rubber sleeve.

The specific implementation mode is as follows:

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lunch box with a heating safety warning function comprises a shell 1, a ceramic heat insulation plate 11 is fixedly installed on the inner side surface of the shell 1, a stainless steel inner container 12 is installed in the ceramic heat insulation plate 11 in a threaded connection mode, a water filling port 121 penetrates through the upper surface of the stainless steel inner container 12, a water pipe 13 (the water inlet end of the water pipe 13 is communicated with the position of the water filling port 121), a sealing ring is arranged between the water pipe 13 and the stainless steel inner container 12, a pipe orifice control valve is arranged at the water outlet end of the water pipe 13, a sealing cover 2 is installed on the upper surface of the shell 1, a base 3 is fixedly installed on the lower surface of the shell 1, a placement groove 31 and a through groove 32 are formed in the upper surface of the base 3, a circuit heating assembly is fixedly installed in the placement groove 31 and connected with the water pipe 13, a placement box 5 capable of being taken out is installed in the placement groove 31, the water outlet end of the water pipe 13 is positioned at the port of the placing box 5.

Specifically, a handle 21 is fixedly mounted on the upper surface of the sealing cover 2, a heat dissipation hole 22 is formed in the upper surface of the sealing cover 2, a groove-shaped sealing ring 23 is fixedly mounted on the lower surface of the sealing cover 2, and the inner surface of the groove-shaped sealing ring 23 is attached to the outer surface of the housing 1.

Specifically, a circuit partition 311 is fixedly mounted in the placing groove 31, a temperature control switch 44 is fixedly mounted on the front surface of the base 3, a USB terminal port is embedded in the left surface of the base 3, the circuit heating assembly includes a temperature control circuit board 4, a heating resistor 41 and a thermistor 42 are fixedly connected to the upper surface of the temperature control circuit board 4 through the circuit partition 311, and the heating resistor 41 and the thermistor 42 are both fixedly connected to the outer surface of the water pipe 13.

Specifically, a heat-insulating display lamp 45 and a heating display lamp 46 are fixedly mounted on the rear surface of the base 3, and the heat-insulating display lamp 45, the heating display lamp 46, the temperature control circuit board 4, the temperature control switch 44, the heating resistor 41 and the thermistor 42 are electrically connected.

Specifically, the rubber sleeve 51 is fixedly mounted on the outer surface of the storage case 5, and the outer surface of the rubber sleeve 51 is attached to the inner surface of the through groove 32.

Specifically, the outer surface of the casing 1 is symmetrically and fixedly provided with arc-shaped handles 14, and the casing 1 is made of PVC.

Specifically, eight inverted eight hooks 33 are uniformly and fixedly mounted on the outer surface of the base 3.

Specifically, the outer surface of the ceramic heat-insulating board 11 is provided with a heat-insulating film.

Specifically, the seal cap 2 is a seal cap made of a transparent glass material.

The working principle is as follows: when the food heating device is used, food is put into the stainless steel inner container 12, when electric heating is selected, water is injected into the water pipe 13 through the water injection port 121, the USB connection port is connected with a power supply through a USB interface power line, the temperature control switch 44 is used for heating selectively, the thermal resistor 41 is used for heating the water in the water pipe at the moment, the heating display lamp 46 is normally on, so that the stainless steel inner container 12 is heated, the food is heated, after the temperature is heated to a certain temperature, the thermal resistor 42 reacts to the temperature control circuit board 4, the heating display lamp 46 flickers, the temperature control switch 44 is manually controlled to keep the temperature, the heating display lamp 46 is turned off, the heat preservation display lamp 45 is normally on, after the food is heated, the heating chamber is selected to be heated without using the power supply, the placing box 5 is rotatably taken out from the through groove 32, the pipe orifice control valve of the water pipe 13 is opened, a tool bag is placed in the placing box 5, the, a small amount of water is injected into the placing box 5 from the water injection port 121 through the water pipe 13, the tool kit triggers the self-heating system, and the water is boiled to generate hot steam so as to heat the stainless steel inner container, thereby heating food.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a lunch-box with heating safety warning function, includes casing (1), its characterized in that: the ceramic heating plate is characterized in that a ceramic heat insulation plate (11) is fixedly mounted on the inner side surface of the shell (1), a stainless steel inner container (12) is installed in the ceramic heat insulation plate (11) in a threaded manner, a water filling port (121) is formed in the upper surface of the stainless steel inner container (12) in a penetrating manner, a water pipe (13) is installed between the stainless steel inner container (12) and the ceramic heat insulation plate (11) in a threaded manner, the water inlet end of the water pipe (13) is communicated with the position of the water filling port (121), a sealing ring is arranged between the water pipe (13) and the stainless steel inner container (12), a pipe opening control valve is arranged at the water outlet end of the water pipe (13), a sealing cover (2) is mounted on the upper surface of the shell (1), a base (3) is fixedly mounted on the lower surface of the shell (1), a placement groove (31) and a through groove (32) are formed in the upper surface of, the circuit heating assembly is connected with the water pipe (13), the placing box (5) which can be taken out is installed in the placing groove (31), and the water outlet end of the water pipe (13) is located at the port of the placing box (5).

2. The lunch box with the heating safety warning function as claimed in claim 1, wherein: the upper surface fixed mounting of sealed lid (2) has handle (21), louvre (22) have been seted up to the upper surface of sealed lid (2), and the lower fixed surface of sealed lid (2) installs fluted sealing ring (23), and the internal surface of fluted sealing ring (23) is laminated with the surface of casing (1).

3. The lunch box with the heating safety warning function as claimed in claim 2, wherein: place fixed mounting in groove (31) circuit board (311), the front surface fixed mounting of base (3) has temperature detect switch (44), the left surface embedding of base (3) installs USB wiring port mouth, circuit heating element includes temperature control circuit board (4), temperature control circuit board (4) upper surface runs through circuit board (311) fixedly connected with heating resistor (41) and thermistor (42), and heating resistor (41) and thermistor (42) all with the fixed surface of water pipe (13) be connected.

4. The lunch box with the heating safety warning function as claimed in claim 3, wherein: the rear surface fixed mounting of base (3) has heat preservation display lamp (45) and heating display lamp (46), heat preservation display lamp (45), heating display lamp (46), temperature control circuit board (4), temperature detect switch (44), heating resistor (41) and thermistor (42) circuit connection.

5. The lunch box with the heating safety warning function as claimed in claim 4, wherein: the outer surface of the placing box (5) is fixedly provided with a rubber sleeve (51), and the outer surface of the rubber sleeve (51) is attached to the inner surface of the through groove (32).

6. The lunch box with the heating safety warning function as claimed in claim 5, wherein: the outer surface symmetry fixed mounting of casing (1) has arc handle (14), and casing (1) is the PVC material.

7. The lunch box with the heating safety warning function as claimed in claim 6, wherein: eight inverted eight-shaped hooks (33) are uniformly and fixedly mounted on the outer surface of the base (3).

8. The lunch box with the heating safety warning function as claimed in claim 7, wherein: and a heat insulation film is arranged on the outer surface of the ceramic heat insulation plate (11).

9. The lunch box with the heating safety warning function as claimed in claim 8, wherein: the sealing cover (2) is made of transparent glass.