CN105105486A - Portable heatable lunch box - Google Patents
Portable heatable lunch box Download PDFInfo
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- CN105105486A CN105105486A CN201510561650.8A CN201510561650A CN105105486A CN 105105486 A CN105105486 A CN 105105486A CN 201510561650 A CN201510561650 A CN 201510561650A CN 105105486 A CN105105486 A CN 105105486A
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- temperature sensor
- lunch box
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- heating
- temperature
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Abstract
The invention discloses a portable heatable lunch box. The portable heatable lunch box comprising a box body is characterized in that the lunch box further comprises a thermoelectrical refrigeration component, temperature sensors and a control circuit, a cavity is formed in the bottom of the box body, the thermoelectrical refrigeration component is arranged in the cavity, the temperature sensors are arranged in an inner cavity of the box body, and the thermoelectrical refrigeration component and the temperature sensors are connected with the control circuit; the inner cavity of the box body is divided into four parts, and each part is provided with one temperature sensor; the temperature sensors are 2-5cm away from refrigeration plates of the thermoelectrical refrigeration component; the lunch box is further provided with a temperature protection circuit which comprises a cooling fan and a cooling temperature sensor, and the cooling fan and the cooling temperature sensor are connected with the control circuit. The portable heatable lunch box can heat and warm food therein conveniently and is convenient and quick to use.
Description
Technical field
The present invention relates to daily living article, relate to lunch box, especially a kind of portable can lunch box capable of heating.
Background technology
At present, common lunch box kind is a lot, portable lunch box is formed primarily of box-like housing, it makes material mainly plastics or stainless steel, and the lunch box weak point of this structure is, heat insulation effect is poor, lunch box itself does not possess heating function, particularly when cold weather, the food cooling in lunch box is faster, directly inconvenient
foodwith, other heating appliances also to be looked for heat, waste time and energy, use inconvenience.
Summary of the invention
Object of the present invention for the deficiencies in the prior art, and provide a kind of portable can lunch box capable of heating, this lunch box can heat the food in box, be incubated easily, convenient to use.
The technical scheme realizing the object of the invention is:
A kind of portable can lunch box capable of heating, comprise box body, also comprise thermoelectric cooling module, temperature sensor and control circuit, cavity is provided with bottom described box body, thermoelectric cooling module is arranged in cavity, temperature sensor is arranged in box body inner chamber, and described thermoelectric cooling module, temperature sensor are connected with control circuit.
Described box body inner chamber is divided into four parts, and each part is equipped with temperature sensor.
The cooling piece 2-5cm of described temperature sensor distance thermoelectric cooling module.
Described thermoelectric cooling module is provided with fin.
Also comprise display device, described display device is connected with control circuit.
Also comprise button, described button is connected with control circuit.
Be provided with temperature protection circuit; described temperature protection circuit comprises cooling fan and cooling temperature sensor; cooling temperature sensor is arranged on the surface of thermoelectric cooling module; the air outlet of cooling fan aims at thermoelectric cooling module, and cooling fan, cooling temperature sensor are connected with control circuit.
Described control circuit comprises microcontroller, and described microcontroller is connected with temperature sensor, thermoelectric cooling module.
Described microcontroller is connected with display device, button.
Described microcontroller is connected with cooling temperature sensor, cooling fan, and thermoelectric cooling module is connected with cooling temperature sensor, cooling fan.
During use, switch on power, the temperature in lunch box box body is detected by temperature sensor, when the minimum of temperature lower than design temperature, start thermoelectric cooling module by control system and heat, lunch box capable of heating, lunch box is made to reach design temperature, when temperature sensor detects the peak of box body temperature higher than design temperature, close thermoelectric cooling module by control system, stop heating.
The thermoelectric cooling module that this lunch box uses is the heat pump utilizing Peltier effect work, can be used for refrigeration, also can pyrogenicity.Thermoelectric cooling module is a kind of solid-state devices not having rotatable parts, and the life-span is long, noiseless during work, can not discharge again harmful substance (as fluorochlorohydrocarbon), can at arbitrarily angled installation and operation, can precise control of temperature when regulation voltage or electric current.Therefore, this lunch box can heat the food in lunch box, be incubated easily, convenient to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the equipped schematic diagram of temperature sensor and box body in embodiment;
Fig. 3 is the schematic surface of box body in embodiment;
Fig. 4 is the square frame connection diagram of control circuit in embodiment.
In figure, 1. box body 2. cavity 3. thermoelectric cooling module 4. cooling fan 5. is lowered the temperature temperature sensor 6. temperature sensor 7. charactron 8. button 9. power switch.
Detailed description of the invention
Below in conjunction with drawings and Examples, content of the present invention is further elaborated, but is not limitation of the invention.
Embodiment:
With reference to Fig. 1-Fig. 4, a kind of portable can lunch box capable of heating, comprise box body 1, also comprise thermoelectric cooling module 3, temperature sensor 6 and control circuit, cavity 2 is provided with bottom described box body 1, thermoelectric cooling module 3 is arranged in cavity 2, and temperature sensor 6 is arranged in box body 1 inner chamber, and described thermoelectric cooling module 3, temperature sensor 6 are connected with control circuit.
Described box body 1 inner chamber is divided into four parts, and each part is equipped with temperature sensor 6, and as shown in Figure 2, box body 1 inner chamber is divided into four parts of equal decile.
Described temperature sensor 6 is apart from the cooling piece 2-5cm of thermoelectric cooling module 3, and this example is 3cm, and temperature sensor 6 is arranged on box body 1 intracavity sidewall, can ensure that the temperature detected is close to the mean temperature in box body.
Described thermoelectric cooling module 3 is provided with fin.
Also comprise display device, described display device is connected with control circuit.
Also comprise button 8, described button 8 is connected with control circuit.Button 8 can set preset temperature or the highest, lowest temperature angle value easily, and this example has three buttons, is respectively and increases key, minimizing key and setting key.
Also be provided with temperature protection circuit; described temperature protection circuit comprises cooling fan 4 and cooling temperature sensor 5; cooling temperature sensor 5 is arranged on the surface of thermoelectric cooling module 3; the air outlet of cooling fan 4 aims at thermoelectric cooling module 3, and cooling fan 4, cooling temperature sensor 5 are connected with control circuit.
Described control circuit comprises microcontroller, and described microcontroller is connected with temperature sensor 6, thermoelectric cooling module 3.
Described microcontroller is connected with display device, button 8.In this example, display device is charactron 7, and charactron 7, button 8 are arranged on the outer surface of box body 1, is convenient to observe and set temperature.
Described microcontroller is connected with cooling temperature sensor 5, cooling fan 4, and thermoelectric cooling module 3 is connected with cooling temperature sensor 5, cooling fan 4.
Particularly, microcontroller is with AT89S51 single-chip microcomputer for core, and low cost low-power consumption, is also provided with power switch 9 and is connected with microcontroller, so that control the switching electricity of lunch box; Temperature sensor adopts DS18b20, is accurate to 0.5 DEG C, can selects more high-precision sensor as required; The fin of thermoelectric cooling module 3 uses aluminum alloy materials, and the capacity of heat transmission is strong and quality, volume etc. are less; The rechargeable battery of power supply adopts 12V accumulator jar, and rechargeable battery is connected with thermoelectric cooling module 3, microcontroller by relay, and transformer is connected with microcontroller, rechargeable battery.
Consider and be convenient to continuous use, separately add charging equipment, can connect 220V alternating current, this timer connects electricity and can normally work, and can charge the battery again, makes device ensure continuous operation.
Input preset temperature value by button 8, anterior at lunch box, arrange 3 charactrons 7, for displays temperature for showing fractional part, two other is for showing integer part; 3 buttons are set below charactron 7, first is increase the increase key needing the temperature value arranged, often press once, the temperature value arranged increases by one, second button is the minimizing key reducing to need the temperature value arranged, often press once, the temperature value arranged subtracts one, the 3rd button, saves to play and acts on easily, for multiplexing function, key is set, after powering on, first time presses and arranges key and can arrange heating-up temperature, again presses after setting, then start heating, regulate temperature in box body 1 by preset temperature; Box body 1 adopts stainless steel to make, and have good thermal conductivity, service life increases greatly.
Control circuit and thermoelectric cooling module 3 are powered by rechargeable battery.When power switch 9 is pressed, relay adhesive, power supply and thermoelectric cooling module 3 are connected, start lunch box capable of heating, when temperature exceedes design temperature, by temperature sensor 6 by signal feedback to microcontroller, allow microprocessor control relay disconnect, stop lunch box capable of heating.User can understand temperature in current lunch box by digital 7 and arrange required heating-up temperature.When the temperature of thermoelectric (al) cooling group 3 is close to when needing protection temperature, by cooling temperature sensor 5 by signal feedback to microcontroller, start cooling fan 4 and lower the temperature to thermoelectric cooling module 3, prevent from burning out thermoelectric cooling module 3, ensure the normal use of lunch box.
Claims (10)
1. one kind portable can lunch box capable of heating, comprise box body, it is characterized in that, also comprise thermoelectric cooling module, temperature sensor and control circuit, cavity is provided with bottom described box body, thermoelectric cooling module is arranged in cavity, and temperature sensor is arranged in box body inner chamber, and described thermoelectric cooling module, temperature sensor are connected with control circuit.
2. according to claim 1 portable can lunch box capable of heating, it is characterized in that, described box body inner chamber is divided into four parts, and each part is equipped with temperature sensor.
3. according to claim 1 portable can lunch box capable of heating, it is characterized in that, the cooling piece 2-5cm of described temperature sensor distance thermoelectric cooling module.
4. according to claim 1 portable can lunch box capable of heating, it is characterized in that, described thermoelectric cooling module is provided with fin.
5. according to claim 1 portable can lunch box capable of heating, it is characterized in that, also comprise display device, described display device is connected with control circuit.
6. according to claim 1 portable can lunch box capable of heating, it is characterized in that, also comprise button, described button is connected with control circuit.
7. according to claim 1 portable can lunch box capable of heating; it is characterized in that; also be provided with temperature protection circuit; described temperature protection circuit comprises cooling fan and cooling temperature sensor; cooling temperature sensor is arranged on the surface of thermoelectric cooling module; the air outlet of cooling fan aims at thermoelectric cooling module, and cooling fan, cooling temperature sensor are connected with control circuit.
8. according to claim 1 portable can lunch box capable of heating, it is characterized in that, described control circuit comprises microcontroller, and described microcontroller is connected with temperature sensor, thermoelectric cooling module.
9. according to claim 8 portable can lunch box capable of heating, it is characterized in that, described microcontroller is connected with display device, button.
10. according to claim 8 portable can lunch box capable of heating, it is characterized in that, described microcontroller is connected with cooling temperature sensor, cooling fan, and thermoelectric cooling module is connected with temperature sensor of lowering the temperature, cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561650.8A CN105105486A (en) | 2015-09-07 | 2015-09-07 | Portable heatable lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561650.8A CN105105486A (en) | 2015-09-07 | 2015-09-07 | Portable heatable lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105105486A true CN105105486A (en) | 2015-12-02 |
Family
ID=54653806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510561650.8A Pending CN105105486A (en) | 2015-09-07 | 2015-09-07 | Portable heatable lunch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105105486A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997334A (en) * | 2016-07-01 | 2016-10-12 | 苏州爱科意智能科技有限公司 | Wearable heating and cooling device |
| CN110013160A (en) * | 2019-04-10 | 2019-07-16 | 碳翁(北京)科技有限公司 | A kind of military Multifunctional heating container |
| CN112713810A (en) * | 2020-12-01 | 2021-04-27 | 珠海格力电器股份有限公司 | Thermoelectric generation electric heating lunch box |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041512U (en) * | 1988-10-04 | 1989-07-26 | 郝武斌 | Semiconductor cold, hot lunch-box |
| CN1680761A (en) * | 2004-04-06 | 2005-10-12 | 陆刚 | Multi-purpose heating and refrigerating thermal insulative bag |
| CN201108120Y (en) * | 2007-11-07 | 2008-09-03 | 熊丽 | Multifunctional portable dining tank |
| CN201393655Y (en) * | 2008-09-27 | 2010-02-03 | 张延红 | Fresh-keeping lunch box |
| CN202104385U (en) * | 2011-06-10 | 2012-01-11 | 张少淳 | Thermal insulation lunch box |
| CN202190877U (en) * | 2011-09-19 | 2012-04-18 | 李若权 | Intelligent heating/cooling lunchbox |
| CN202207054U (en) * | 2011-09-19 | 2012-05-02 | 李若权 | Intelligent heating/refrigerating meal box |
| CN202456918U (en) * | 2012-02-24 | 2012-10-03 | 魏利 | Refrigeration/heating switching type electronic lunch box |
| CN205040846U (en) * | 2015-09-07 | 2016-02-24 | 桂林电子科技大学 | Portable heatable lunch -box |
-
2015
- 2015-09-07 CN CN201510561650.8A patent/CN105105486A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041512U (en) * | 1988-10-04 | 1989-07-26 | 郝武斌 | Semiconductor cold, hot lunch-box |
| CN1680761A (en) * | 2004-04-06 | 2005-10-12 | 陆刚 | Multi-purpose heating and refrigerating thermal insulative bag |
| CN201108120Y (en) * | 2007-11-07 | 2008-09-03 | 熊丽 | Multifunctional portable dining tank |
| CN201393655Y (en) * | 2008-09-27 | 2010-02-03 | 张延红 | Fresh-keeping lunch box |
| CN202104385U (en) * | 2011-06-10 | 2012-01-11 | 张少淳 | Thermal insulation lunch box |
| CN202190877U (en) * | 2011-09-19 | 2012-04-18 | 李若权 | Intelligent heating/cooling lunchbox |
| CN202207054U (en) * | 2011-09-19 | 2012-05-02 | 李若权 | Intelligent heating/refrigerating meal box |
| CN202456918U (en) * | 2012-02-24 | 2012-10-03 | 魏利 | Refrigeration/heating switching type electronic lunch box |
| CN205040846U (en) * | 2015-09-07 | 2016-02-24 | 桂林电子科技大学 | Portable heatable lunch -box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997334A (en) * | 2016-07-01 | 2016-10-12 | 苏州爱科意智能科技有限公司 | Wearable heating and cooling device |
| CN110013160A (en) * | 2019-04-10 | 2019-07-16 | 碳翁(北京)科技有限公司 | A kind of military Multifunctional heating container |
| CN112713810A (en) * | 2020-12-01 | 2021-04-27 | 珠海格力电器股份有限公司 | Thermoelectric generation electric heating lunch box |
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Application publication date: 20151202 |