CN104799541A - Portable household lunch box with heating and refrigerating functions - Google Patents
Portable household lunch box with heating and refrigerating functions Download PDFInfo
- Publication number
- CN104799541A CN104799541A CN201510175745.6A CN201510175745A CN104799541A CN 104799541 A CN104799541 A CN 104799541A CN 201510175745 A CN201510175745 A CN 201510175745A CN 104799541 A CN104799541 A CN 104799541A
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- CN
- China
- Prior art keywords
- box
- lunch box
- semiconductor chilling
- chilling plate
- portable household
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/20—Lunch or picnic boxes or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a portable household lunch box with heating and refrigerating functions. The lunch box sequentially comprises a cover, an upper half box, a middle baffle and a lower half box which are connected from top to bottom, wherein an inner box is arranged in the lower half box, multiple PTC (positive temperature coefficient) heaters which are connected in parallel are embedded in surrounding walls of the upper half box, multiple semi-conductor chilling plates which are connected in parallel are embedded in surrounding walls of the lower half box, and the PTC heaters and the semi-conductor chilling plates are in circuit connection through switch lithium batteries or AC-to-DC power supplies. The lunch box can heat and preserve food simultaneously, solves the problem that the food placed in lunch boxes cannot be preserved, is simple in structure and convenient to maintain and comprises few components; the lunch box comprises no mechanical transmission components and is free of wear and noise and long in service life; refrigeration with a refrigerant is not required, the lunch box is absolutely environment-friendly; the lunch box is high in efficiency and low in power consumption.
Description
Technical field
The present invention relates to a kind of Portable household lunch box, particularly the Portable household lunch box of a kind of tool heating and refrigerating function.
Background technology
Freeze in the market or heat product and mainly contain: vehicle-mounted cold and hot cup (can through being transformed into family expenses), and only separate refrigeration or heat.In addition, vehicle-mounted heating/cooling lunch-box etc. is also had.On market, current product price is higher, and function is perfect not, and cold and hot product is single, the product only having single-threaded refrigeration or heat, and main purpose is used for vehicle-mounted, needs could be used for family expenses by conversion line, not only make user carry more article, and easily produce potential safety hazard; Small product size is excessive, and cost is too high and energy utilization rate is not high.
Summary of the invention
For above-mentioned technical problem, the present invention proposes a kind of Portable household lunch box that simultaneously can possess heating and refrigerating function.
Concrete technical scheme of the present invention is:
The Portable household lunch box of a kind of tool heating and refrigerating function, from top to bottom comprise the lid be connected successively, first box, central dividing plate, inside establish second box of inner box, the ptc heater of some parallel connections is embedded with in the leg of first box described, the semiconductor chilling plate of some parallel connections is embedded with in the leg of second box described, described ptc heater and semiconductor chilling plate are connected by switch lithium battery or the straight power circuit of alternation, ptc heater can realize the heating to food, semiconductor chilling plate realizes the refrigerating fresh-keeping to food, ptc heater has constant temp. warming, the flames of anger, thermal conversion rate is high, minimum by power supply voltage influence, the advantage that natural life-span, length waited conventional heating element incomparable, and semiconductor chilling plate has lightweight, volume is little and have the feature of relatively high refrigerating capacity, be specially adapted to the refrigeration of the confined space, because semiconductor chilling plate is a kind of shaped solid state heat pumps, thus its Maintenance free, noiselessness, can work in any position, shock resistance and anti-vibration ability strong, in addition, change semiconductor chilling plate operating current polarity chron, it can heat again, changes current strength adjustable cooling power.
Further, in another scheme, the heating end of described semiconductor chilling plate is connected with aluminium radiator by heat conductive silica gel, with the timely disperses heat by semiconductor chilling plate heating end, ensures the normal operation of semiconductor chilling plate.
Further, in another scheme, also comprise the small fan for coordinating aluminium radiator enhance heat, small fan is located at box body side, the radiating effect of reinforced aluminum radiator.
Further, in another scheme, some cold-hot plates are embedded with in described central dividing plate, described cold-hot plate is made up of ptc heater, heat-insulating material and semiconductor chilling plate, ptc heater in ptc heater in each cold-hot plate and first box is parallel with one another, semiconductor chilling plate in semiconductor chilling plate in each cold-hot plate and second box is parallel with one another, by being embedded with some cold-hot plates in space bar, can further improve the heating of food in box or the efficiency of refrigeration and the uniformity, shorten the time of heating or refrigeration.
Further, in another scheme, described switch comprises total lock switch S 1 and the change-over switch S2 for controlling ptc heater and semiconductor chilling plate break-make respectively, and convenient, flexible realization refrigeration and the switching of heater circuit, meet the different needs.
Further, in another scheme, first box lower limb described and second box top edge are provided with connection buckle ear, described central dividing plate side is provided with and the described connecting hole being connected buckle ear and matching, utilize and connect buckle ear and connecting hole, can connect and remove first box, central dividing plate and second box easily and fast.
Further, in another scheme, the upper surface of first box lower surface described and second box is provided with locating hole, and the edge of the upper and lower end face of described central dividing plate is provided with the alignment pin matched with described locating hole, facilitates rapid-aligning and the assembling of each parts.
The present invention has following advantage and beneficial effect relative to prior art:
The heating of food and antistaling storing two tasks can complete by the present invention simultaneously, solve food is placed on cannot be fresh-keeping in lunch box problem, summer some food refrigeration also can be promoted mouthfeel simultaneously, meet the demand of people, on heat-production functions, directly lunch box can be plugged in or even portable power source just can heat food, and can directly eat after heated, efficiently easy to use, not only hold food but also solve the fresh-keeping of food and heating problems, and cheapization possessed on technologic simplification and cost, there are wide market prospects.
Accompanying drawing explanation
Fig. 1 is the three-dimensional appearance schematic diagram of the embodiment of the present invention.
Fig. 2 is the exploded perspective view of the embodiment of the present invention.
Fig. 3 is the circuit diagram of the embodiment of the present invention.
Shown in figure be: 1-covers; 2-PTC heater; First box of 3-; 4-central dividing plate; 5-alignment pin; 6-cold-hot plate; Box in 7-; 8-semiconductor chilling plate; Second box of 9-; 10-connects buckle ear; 11-connecting hole.
Detailed description of the invention
Be described in further detail goal of the invention of the present invention below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.
As shown in Figure 1 to Figure 3, the Portable household lunch box of shown a kind of tool heating and refrigerating function, from top to bottom comprise the lid 1 be connected successively, first box 3, central dividing plate 4, inside establish second box 9 of inner box 7, the ptc heater 2 of some parallel connections is embedded with in the leg of first box 3 described, the semiconductor chilling plate 8 of some parallel connections is embedded with in the leg of second box 9 described, described ptc heater 2 and semiconductor chilling plate 8 are connected by switch lithium battery or the straight power circuit of alternation, ptc heater 2 can realize the heating to food, semiconductor chilling plate realizes the refrigerating fresh-keeping to food, described ptc heater 2 adopts PTC ceramic heating element and aluminum pipe composition, the type ptc heater 2 thermal resistance is little, the advantage that heat exchange efficiency is high has constant temp. warming, the flames of anger, thermal conversion rate is high, minimum by power supply voltage influence, the advantage that natural life-span, length waited conventional heating element incomparable, semiconductor chilling plate 8 model of the present embodiment is TEC1-12706, have lightweight, volume is little and have the feature of relatively high refrigerating capacity, be specially adapted to the refrigeration of the confined space, because semiconductor chilling plate 8 is a kind of shaped solid state heat pumps, thus its Maintenance free, noiselessness, can work in any position, shock resistance and anti-vibration ability strong, in addition, change semiconductor chilling plate operating current polarity chron, it can heat again, changes current strength adjustable cooling power.
Meanwhile, the heating end of described semiconductor chilling plate 8 is connected with aluminium radiator by heat conductive silica gel, with the disperses heat of the timely end that to be generated heat by semiconductor chilling plate 8, ensures the normal operation of semiconductor chilling plate 8.
Particularly, also comprise the small fan for coordinating aluminium radiator enhance heat, small fan is located at box body side, the radiating effect of reinforced aluminum radiator.
Particularly, some cold-hot plates 6 are embedded with in described central dividing plate 4, described cold-hot plate 6 is made up of ptc heater 2, heat-insulating material and semiconductor chilling plate 8, ptc heater 2 in each cold-hot plate 6 is parallel with one another with the ptc heater 2 in first box 3, semiconductor chilling plate 8 in each cold-hot plate 6 is parallel with one another with the semiconductor chilling plate 8 in second box 9, by being embedded with some cold-hot plates 6 in space bar 4, can further improve the heating of food in box or the efficiency of refrigeration and the uniformity, shorten the time of heating or refrigeration.
Particularly, described switch comprises total lock switch S 1 and the change-over switch S2 for controlling ptc heater 2 and semiconductor chilling plate 8 break-make respectively, after opening total lock switch S 1, got final product the switching of convenient, flexible realization refrigeration and heater circuit by change-over switch S2, meet the demand of user's refrigeration or heating.
Particularly, first box 3 lower limb described and second box 9 top edge are provided with and connect buckle ear 10, described central dividing plate 4 side is provided with and the described connecting hole 11 being connected buckle ear 10 and matching, utilize and connect buckle ear 10 and connecting hole 11, can connect and remove first box, central dividing plate and second box easily and fast.
Particularly, the upper surface of first box 3 lower surface described and second box 9 is provided with locating hole, and the edge of the upper and lower end face of described central dividing plate 4 is provided with the alignment pin 5 matched with described locating hole, facilitates rapid-aligning and the assembling of each parts.
The Portable household lunch box structure that the present embodiment provides is simple, parts are few, easy to maintenance; Mechanical drive disk assembly, without wearing and tearing, noiselessness, the life-span is long; Without the need to chiller refrigeration (compression and absorption all need), absolute environmental protection; Efficiency is high, power consumption low (at below 100W, power consumption only has compression and absorption half).During use, when there is no the addition products such as pot, micro-wave oven, insulated bag, directly lunch box to be plugged in or even portable power source just can heat food, and can directly eat after heated, very convenient and efficient, can be applicable in several scenes, can vehicle-mounted, working clan or student dailyly carries, road of travelling frequently is incubated, convenient and practical.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (7)
1. the Portable household lunch box of a tool heating and refrigerating function, it is characterized in that: from top to bottom comprise successively be connected lid (1), first box (3), central dividing plate (4), in establish second box (9) of inner box (7), the ptc heater (2) of some parallel connections is embedded with in the leg of described first box (3), be embedded with the semiconductor chilling plate (8) of some parallel connections in the leg of described second box (9), described ptc heater (2) and semiconductor chilling plate (8) are connected by switch lithium battery or the straight power circuit of alternation.
2. the Portable household lunch box of tool heating according to claim 1 and refrigerating function, is characterized in that: the heating end of described semiconductor chilling plate (8) is connected with aluminium radiator by heat conductive silica gel.
3. the Portable household lunch box of tool heating according to claim 2 and refrigerating function, is characterized in that: also comprise the small fan for coordinating aluminium radiator enhance heat.
4. the Portable household lunch box of tool heating according to claim 1 and refrigerating function, it is characterized in that: in described central dividing plate (4), be embedded with some cold-hot plates (6), described cold-hot plate (6) is by ptc heater (2), heat-insulating material and semiconductor chilling plate (8) composition, ptc heater (2) in each cold-hot plate (6) is parallel with one another with the ptc heater (2) in first box (3), semiconductor chilling plate (8) in each cold-hot plate (6) is parallel with one another with the semiconductor chilling plate (8) in second box (9).
5. the Portable household lunch box of tool heating according to claim 1 and refrigerating function, is characterized in that: described switch comprises total lock switch S 1 and the change-over switch S2 for controlling ptc heater (2) and semiconductor chilling plate (8) break-make respectively.
6. the Portable household lunch box of tool heating according to claim 1 and refrigerating function, it is characterized in that: described first box (3) lower limb and second box (9) top edge are provided with and connect buckle ear (10), and described central dividing plate (4) side is provided with and the described connecting hole (11) being connected buckle ear (10) and matching.
7. the Portable household lunch box of tool heating according to claim 1 and refrigerating function, it is characterized in that: the upper surface of described first box (3) lower surface and second box (9) is provided with locating hole, the edge of the upper and lower end face of described central dividing plate (4) is provided with the alignment pin (5) matched with described locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175745.6A CN104799541A (en) | 2015-04-13 | 2015-04-13 | Portable household lunch box with heating and refrigerating functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175745.6A CN104799541A (en) | 2015-04-13 | 2015-04-13 | Portable household lunch box with heating and refrigerating functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104799541A true CN104799541A (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510175745.6A Pending CN104799541A (en) | 2015-04-13 | 2015-04-13 | Portable household lunch box with heating and refrigerating functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104799541A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936036A (en) * | 2016-06-15 | 2016-09-14 | 国家电网公司 | Portable maintenance box for hydropower station |
| CN108835823A (en) * | 2018-06-20 | 2018-11-20 | 郑州赫恩电子信息技术有限公司 | A kind of portable lunch-box of heating refrigeration |
| CN110495692A (en) * | 2019-08-09 | 2019-11-26 | 福建闽航电子有限公司 | A kind of multi-functional cooking box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2598405Y (en) * | 2003-01-16 | 2004-01-14 | 樊连友 | Electronic heating/cooling lunch-box |
| CN202714361U (en) * | 2012-08-08 | 2013-02-06 | 福建茶花家居塑料用品有限公司 | Double-layer meal pot |
| CN202760428U (en) * | 2012-09-21 | 2013-03-06 | 于江韵 | Warm-keeping and fresh-keeping lunch box |
| CN203143325U (en) * | 2013-01-29 | 2013-08-21 | 东莞市智派电器科技有限公司 | Multifunctional heat preservation box |
| CN203934790U (en) * | 2014-06-23 | 2014-11-12 | 金陵科技学院 | A kind of multifunctional lunch box |
-
2015
- 2015-04-13 CN CN201510175745.6A patent/CN104799541A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2598405Y (en) * | 2003-01-16 | 2004-01-14 | 樊连友 | Electronic heating/cooling lunch-box |
| CN202714361U (en) * | 2012-08-08 | 2013-02-06 | 福建茶花家居塑料用品有限公司 | Double-layer meal pot |
| CN202760428U (en) * | 2012-09-21 | 2013-03-06 | 于江韵 | Warm-keeping and fresh-keeping lunch box |
| CN203143325U (en) * | 2013-01-29 | 2013-08-21 | 东莞市智派电器科技有限公司 | Multifunctional heat preservation box |
| CN203934790U (en) * | 2014-06-23 | 2014-11-12 | 金陵科技学院 | A kind of multifunctional lunch box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936036A (en) * | 2016-06-15 | 2016-09-14 | 国家电网公司 | Portable maintenance box for hydropower station |
| CN108835823A (en) * | 2018-06-20 | 2018-11-20 | 郑州赫恩电子信息技术有限公司 | A kind of portable lunch-box of heating refrigeration |
| CN110495692A (en) * | 2019-08-09 | 2019-11-26 | 福建闽航电子有限公司 | A kind of multi-functional cooking box |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |