CN209846350U - Lunch box heated by battery - Google Patents
Lunch box heated by battery Download PDFInfo
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- CN209846350U CN209846350U CN201920663758.1U CN201920663758U CN209846350U CN 209846350 U CN209846350 U CN 209846350U CN 201920663758 U CN201920663758 U CN 201920663758U CN 209846350 U CN209846350 U CN 209846350U
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- heating plate
- box
- lunch
- battery
- box body
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Abstract
A lunch box heated by a battery relates to the technical field of food heating. It contains box body, heating plate, metal lunch-box, group battery, be equipped with the heating plate in the box body, heating plate periphery and box body lateral wall zonulae occludens, the metal lunch-box can be dismantled and establish in the box body, and terminal surface laminating is established on the heating plate under the metal lunch-box, the heating plate contains conducting strip, PTC heating plate, be equipped with a plurality of PTC heating plate on the conducting strip, a plurality of PTC heating plate adopts negative pole processing altogether, and the conducting strip is the negative pole of PTC heating plate, be equipped with the group battery between heating plate and the box body bottom, the group battery is connected with the heating plate electricity. Its reasonable in design, heating plate direct contact metal lunch-box container heats, need not add water, and voltage is harmless totally to the human body, has the battery in the lunch-box, portable facilitates the use, and the heating process does not produce steam, does not have the scald risk, and the heating process meal is airtight in the metal lunch-box, can not give off the smell, and the heating process noiselessness.
Description
Technical Field
The utility model relates to a food heating technology field, concretely relates to utilize battery to carry out lunch-box that heats.
Background
The lunch box is a box specially used for containing food, is also called as a box and is mostly made of aluminum, stainless steel and plastic. The lunch box comprises a plastic lunch box, a heat preservation lunch box and a common lunch box. The heat-insulating lunch box is characterized by that a heat-insulating shell is added on the exterior of general lunch box, and its interior and exterior layers are filled with foamed plastics, and its interior layer is plated with metal film. The heat loss is reduced from three aspects of conduction, radiation and convection. An electric heating device is additionally arranged between the lunch box and the shell to supplement the heat loss and keep the meal at a certain higher temperature.
At present, a heating sheet is driven by 220V alternating current mains supply, water is heated to boiling through the heating sheet to generate steam, and the meal is heated through the steam. It has the following disadvantages: 1. 220V alternating current is adopted for power supply, so that potential safety hazards are caused; 2. the socket is needed in the use scene, so that the use is inconvenient; 3. high-temperature steam is emitted in the heating process, so that the scalding risk is caused; 4. the taste of the meal can be diffused along with the steam in the heating process, so that the environmental smell is influenced; 5. the water boils during heating and is also noisy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, a utilize battery to carry out lunch-box that heats is provided, its simple structure, and reasonable in design, the heating plate adopts the drive of direct current 16.8V, there is the group battery inside the lunch-box, the heating plate direct contact metal lunch-box container heats, need not add water, voltage is at the within range to human complete safety, there is the battery in the lunch-box, and convenient to carry facilitates the use, and the heating process does not produce steam, can not have the scald risk, and the heating process meal is airtight in the metal lunch-box, can not give off the smell, the heating process noiselessness.
In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains box body, heating plate, metal lunch-box, group battery, the inside of box body is provided with the heating plate, the periphery of heating plate with the lateral wall zonulae occludens of box body, the metal lunch-box can be dismantled and set up in the inside of box body, and the lower terminal surface laminating of metal lunch-box sets up on the heating plate, the heating plate contains conducting strip, PTC heating plate, be provided with a plurality of PTC heating plate on the conducting strip, a plurality of PTC heating plate adopts negative pole processing altogether, and the conducting strip is the negative pole of PTC heating plate, be provided with the group battery between the bottom of heating plate and box body, group battery and heating plate electric connection.
Further, still be provided with battery management module, central control module between heating plate and the box body bottom, group battery and battery management module electric connection, battery management module and central control module electric connection, central control module and heating plate electric connection.
Furthermore, a 16.8V direct-current power supply interface is arranged on the side wall of the box body, and the 16.8V direct-current power supply interface is electrically connected with the central control module.
Further, a switch and a display device are arranged at the front end of the box body, the switch and the display device are respectively electrically connected with the central control module, and the display device is composed of a plurality of LED lamps.
Further, the battery management module adopts a T1 chip.
Further, the number of the PTC heating sheets is three.
The utility model discloses a theory of operation: when the lunch box is used, the high-performance battery pack is used as a main energy supply mode, the 16.8V direct-current power supply is used as a charging power supply or an auxiliary energy supply of the battery pack, and the lunch box can be conveniently carried under the condition that the battery pack is fully charged; the battery pack adopts a high-rate power battery pack, can provide maximum 120W continuous discharge power, discharges to heat the heating sheet, and heats the meal by directly contacting the metal lunch box container without adding water; 3 traditional PTC heating sheets are processed by adopting a common cathode, and the heat conducting sheet is directly used as the cathode of the heating sheet, so that the problem of first-stage heat efficiency loss from the PTC heating sheet to the heat conducting sheet is effectively solved, the requirement of a system on energy storage of a battery pack is effectively reduced, and the weight of a product is reduced; the heating is controlled by a switch, the display device is an annular lamp group consisting of 12 bicolor LED lamps, and the electric quantity and the working state of the battery pack can be accurately displayed by adopting software control and combining the switch.
After the technical scheme is adopted, the utility model discloses beneficial effect does: its simple structure, reasonable in design, the heating plate adopts the drive of direct current 16.8V, and lunch-box inside has the group battery, and heating plate direct contact metal lunch-box container heats, need not add water, and voltage is in the scope to human complete safety, has the battery in the lunch-box, portable facilitates the use, and the heating process does not produce steam, can not have the scald risk, and the heating process meal is airtight in the metal lunch-box, can not give off the smell, and the heating process noiselessness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of a heating plate of the present invention;
fig. 4 is a schematic connection block diagram of the present invention.
Description of reference numerals: the box body 1, the heating plate 2, the metal lunch box 3, the battery pack 4, the battery management module 5, the central control module 6, the 16.8V direct current power interface 7, the switch 8, the display device 9, the heat-conducting sheet 21 and the PTC heating sheet 22.
Detailed Description
Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: it comprises a box body 1, a heating piece 2, a metal lunch box 3 and a battery pack 4, wherein the heating piece 2 is arranged inside the box body 1, the periphery of the heating piece 2 is tightly connected with the side wall of the box body 1, the metal lunch box 3 is detachably arranged in the box body 1, the lower end face of the metal lunch box 3 is arranged on the heating piece 2 in a fitting manner, the heating plate 2 comprises a heat conducting plate 21 and PTC heating plates 22, a plurality of PTC heating plates 22 are arranged on the heat conducting plate 21, the plurality of PTC heating sheets 22 adopt common negative electrode treatment, the heat conducting sheet 21 is the negative electrode of the PTC heating sheet 22, be provided with group battery 4 between the bottom of heating plate 2 and box body 1, group battery 4 and 2 electric connection of heating plate, group battery 4 discharge to heating plate 2 and generate heat, and heating plate 2 heats through 3 containers of direct contact metal lunch-box, need not add water, just can realize the heating to the meal.
A battery management module 5 and a central control module 6 are further arranged between the heating plate 2 and the bottom of the box body 1, the battery pack 4 is electrically connected with the battery management module 5, the battery management module 5 is electrically connected with the central control module 6, the central control module 6 is electrically connected with the heating plate 2, and the central control module can judge the system state, charge, heat preservation and no work; receiving a user switching signal and sending a working instruction to other system modules; implementing charge and discharge management of the battery pack and providing secondary protection of the battery pack; the real-time temperature of the heating device is monitored, overheating is prevented, switching between the heating state and the heat preservation state is automatically completed, interface indication is controlled and displayed, and the like.
The side wall of the box body 1 is provided with a 16.8V direct-current power supply interface 7, the 16.8V direct-current power supply interface 7 is electrically connected with the central control module 6, a high-performance battery pack 4 is adopted as a main energy supply mode, the 16.8V direct-current power supply is used as a charging power supply or an auxiliary energy supply of the battery pack 4, 1-2 heating using requirements can be independently completed under the condition that the battery pack 4 is fully charged, the requirements of a consumer for taking meals and heating meals under more application scenes are met, and particularly under the application scene that commercial power cannot be provided, for example, the situations of going out in the outings, students taking meals, offices without microwave ovens and the like.
The front end of box body 1 is provided with switch 8, display device 9, switch 8 reaches display device 9 respectively with central control module 6 electric connection, display device 9 comprises a plurality of LED lamp.
The battery management module 5 adopts a T1 chip and a high-rate power battery pack, can provide maximum 120W continuous discharge power, and the battery management module 5 uses a TI (Texas instrument) chip to perform first-level protection on the safety of the battery pack 4, can accurately monitor the electric quantity of the battery, ensures that the electric quantity seen by a consumer is real and effective, avoids the situation that the battery does not have electricity in the heating process, and has the specific structure and the connection mode of the prior art, which are not described herein again.
PTC heating element 22 is provided with threely, adopts three traditional PTC heating element 22 to share negative pole and handles, directly acts as the negative pole of heating plate 2 by conducting strip 21, and the effectual first order thermal efficiency loss problem of solving from PTC heating element 22 to conducting strip 21 has effectually reduced the requirement of system to group battery 4 energy storage, has reduced the weight of product simultaneously.
In specific implementation, the high-performance battery pack 4 is used as a main energy supply mode, the 16.8V direct-current power supply is used as a charging power supply or an auxiliary energy supply of the battery pack 4, and the lunch box can be conveniently carried under the condition that the battery pack 4 is fully charged; the battery pack 4 adopts a high-rate power battery pack 4, the maximum 120W continuous discharge power can be provided, the battery pack 4 discharges and heats the heating sheet 2, the heating sheet 2 is heated by directly contacting the metal lunch box 3 container, and the meal can be heated without adding water; the heating plate 2 adopts the common-cathode treatment of three traditional PTC heating plates 22, and the heat conducting plate 21 directly serves as the cathode of the heating plate 2, so that the problem of first-stage heat efficiency loss from the PTC heating plates 22 to the heat conducting plate 21 is effectively solved, the requirement of the system on energy storage of the battery pack 4 is effectively reduced, and the weight of the product is reduced; the heating is controlled by the switch 8, the display device 9 is an annular lamp group consisting of 12 bicolor LED lamps, and the electric quantity and the working state of the battery pack can be accurately displayed by adopting software control and combining the switch.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A lunch box heated by a battery is characterized in that: it contains box body, heating plate, metal lunch-box, group battery, the inside of box body is provided with the heating plate, the periphery of heating plate with the lateral wall zonulae occludens of box body, the metal lunch-box can be dismantled and set up in the inside of box body, and the lower terminal surface laminating of metal lunch-box sets up on the heating plate, the heating plate contains conducting strip, PTC heating plate, be provided with a plurality of PTC heating plate on the conducting strip, a plurality of PTC heating plate adopts negative pole processing altogether, and the conducting strip is the negative pole of PTC heating plate, be provided with the group battery between the bottom of heating plate and box body, group battery and heating plate electric connection.
2. The lunch box heated by a battery according to claim 1, wherein: still be provided with battery management module, central control module between heating plate and the box body bottom, group battery and battery management module electric connection, battery management module and central control module electric connection, central control module and heating plate electric connection.
3. The lunch box heated by a battery according to claim 2, wherein: the side wall of the box body is provided with a 16.8V direct-current power supply interface, and the 16.8V direct-current power supply interface is electrically connected with the central control module.
4. The lunch box heated by a battery according to claim 2, wherein: the front end of the box body is provided with a switch and a display device, the switch and the display device are respectively electrically connected with the central control module, and the display device is composed of a plurality of LED lamps.
5. The lunch box heated by a battery according to claim 2, wherein: the battery management module adopts a T1 chip.
6. The lunch box heated by a battery according to claim 1, wherein: the PTC heating sheets are provided with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663758.1U CN209846350U (en) | 2019-05-09 | 2019-05-09 | Lunch box heated by battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663758.1U CN209846350U (en) | 2019-05-09 | 2019-05-09 | Lunch box heated by battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209846350U true CN209846350U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920663758.1U Active CN209846350U (en) | 2019-05-09 | 2019-05-09 | Lunch box heated by battery |
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| CN (1) | CN209846350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984437A (en) * | 2019-05-09 | 2019-07-09 | 深圳市喜拉科技有限公司 | A kind of lunch box heated using battery |
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2019
- 2019-05-09 CN CN201920663758.1U patent/CN209846350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984437A (en) * | 2019-05-09 | 2019-07-09 | 深圳市喜拉科技有限公司 | A kind of lunch box heated using battery |
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Address after: 518110 room 509, floor 5, building 7, Longcheng Industrial Zone, No. 39, Longguan West Road, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xila Technology Co.,Ltd. Address before: 518110 Six Workshops 509, 78 Huating Road, Langkou Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Xila Technology Co.,Ltd. |