CN202874193U - Portable lunch box heating device - Google Patents
Portable lunch box heating device Download PDFInfo
- Publication number
- CN202874193U CN202874193U CN 201220419668 CN201220419668U CN202874193U CN 202874193 U CN202874193 U CN 202874193U CN 201220419668 CN201220419668 CN 201220419668 CN 201220419668 U CN201220419668 U CN 201220419668U CN 202874193 U CN202874193 U CN 202874193U
- Authority
- CN
- China
- Prior art keywords
- lunch box
- box body
- box
- heating device
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a portable lunch box heating device. The portable lunch box heating device comprises a box body with a cover, wherein the shape of the box body is matched with that of a lunch box, a hollow interlayer is arranged in the wall of the box body; electric heating wires, a battery pack and an electric control board which are annularly arranged are arranged in the interlayer of the box body; and a temperature control switch is mounted on the electric control board, and the electric heating wires are arranged at intervals in the vertical direction.
Description
Technical field
The utility model relates to a kind of portable lunch box heater.
Background technology
In daily pavement maintenaince, often exist the pipe maintenance superintendent, worker's field work is of long duration, can not have at any time hot meal, has brought very large impact with regard to the health of giving the worker year in and year out.Commercially available lunch box all is to take the outer wrap heat preserving type basically, is subject to the impact of wind, temperature in the open air when this lunch box is placed, and the insulation degree can reduce greatly.
Summary of the invention
The purpose of this utility model is to provide a kind of portable lunch box heater, and it is simple in structure, and the food in the lunch box capable of heating is easy to use at any time.
The purpose of this utility model is to realize like this, a kind of portable lunch box heater, comprise the box body with lid, the shape of box body and the shape of lunch box are complementary, has hollow sandwich in the box wall, heating wire, battery pack and the electric-controlled plate arranged ringwise are being set in the box body interlayer, temperature detect switch (TDS) is installed on the electric-controlled plate, heating wire is up and down interval layout.
The utility model is simple in structure, adopts electric-heating-wire-heating in the box body interlayer, and main circuit is comprised of filter capacitor, current-limiting resistance, thermistor, switch and rechargeable battery.Except heating wire, other components and parts form in the circuit board, and when the front opening switch of having a meal, battery is powered to heating wire, and when temperature reached 85 ℃, the thermistor automatic disconnection reached the purpose that adds warm meal.1. portable heating pattern of fever lunch box makes the worker can be able to eat hot meal on time, and potential safety hazard reduces, and the hot meal of need not lighting a fire has embodied efficient energy-saving.2. by development portable heating pattern of fever lunch box, realize having dinner fast, not delaying the maintenance work time.The utility model is the interior food of lunch box capable of heating at any time, and is easy to use.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is perspective view of the present utility model.
The specific embodiment
A kind of portable lunch box heater, comprise the box body 1 with lid, the shape of the shape of box body 1 and lunch box 2 is complementary, has hollow sandwich in the box wall, heating wire 3, battery pack and the electric-controlled plate 4 arranged ringwise are being set in the box body interlayer, on the electric-controlled plate 4 temperature detect switch (TDS) is installed, heating wire 3 is up and down interval layout.
As further improvement of the utility model, the thermal insulation separation thermosphere is being set on the outer wall of box body 1.As adopt ZS-211 reflecting heat insulation paint layer, or receive the base heat insulation soft felt, further improve heat insulation effect.
Claims (1)
1. portable lunch box heater, comprise the box body with lid, it is characterized in that, the shape of box body and the shape of lunch box are complementary, has hollow sandwich in the box wall, heating wire, battery pack and the electric-controlled plate arranged ringwise are being set in the box body interlayer, temperature detect switch (TDS) is installed on the electric-controlled plate, heating wire is up and down interval layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220419668 CN202874193U (en) | 2012-08-23 | 2012-08-23 | Portable lunch box heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220419668 CN202874193U (en) | 2012-08-23 | 2012-08-23 | Portable lunch box heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202874193U true CN202874193U (en) | 2013-04-17 |
Family
ID=48065675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220419668 Expired - Fee Related CN202874193U (en) | 2012-08-23 | 2012-08-23 | Portable lunch box heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202874193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300571A (en) * | 2013-06-25 | 2013-09-18 | 无锡同心塑料制品有限公司 | Automatic heating lunchbox |
-
2012
- 2012-08-23 CN CN 201220419668 patent/CN202874193U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300571A (en) * | 2013-06-25 | 2013-09-18 | 无锡同心塑料制品有限公司 | Automatic heating lunchbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130823 |