CN206933639U - A kind of portable self-heating lunch box - Google Patents
A kind of portable self-heating lunch box Download PDFInfo
- Publication number
- CN206933639U CN206933639U CN201720696882.9U CN201720696882U CN206933639U CN 206933639 U CN206933639 U CN 206933639U CN 201720696882 U CN201720696882 U CN 201720696882U CN 206933639 U CN206933639 U CN 206933639U
- Authority
- CN
- China
- Prior art keywords
- box body
- inner bag
- portable self
- box
- lunch box
- 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
Links
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The utility model discloses a kind of portable self-heating lunch box, the lunch box includes box body, inner bag, and upper lid, lower cover, left cap and right cap；Hollowed out from top to bottom among box body; box body both sides are respectively equipped with inside cavity; inner bag is placed in middle middle vacancy, is provided with battery pack, battery protecting plate and circuit control panel in the cavity in left side, box body front is provided with power switch, battery capacity indication lamp and charging hole on the outer surface of left side cavity；Upper cover buckle is put above box body and inner bag, and lower cover is buckled below box body and inner bag, and heater is provided between inner bag and lower cover, and left cap is buckled outside the cavity on the left of box body, and right cap is buckled outside the cavity on the right side of box body.Battery pack is connected respectively with circuit control panel, power switch and charging hole, and circuit control panel is respectively connected with battery capacity indication lamp and heater.Portable self-heating lunch box provided by the utility model, rational in infrastructure, easy cleaning, food and soup class can be heated by the energy storage function of itself.
Description
Technical field
A kind of lunch box is the utility model is related to, in particular it relates to a kind of portable self-heating of built-in lithium battery power supply
Lunch box.
Background technology
With continuous improvement of the people to living standard quality, often occur field sleep in the open, travel and city white collar,
Student, outwork personnel etc. are usually needed to carry canteen, but ordinary lunch-box individually can not be heated and be incubated at all；Existing skill
The lunch box capable of heating of art can only use 220V household electrics can not have some to use the lunch box capable of heating of AC power, connection in addition in addition
Potential safety hazard and inconvenient for use is easily caused at power supply.
Utility model content
The purpose of this utility model is to provide a kind of portable lunch-box for containing and heating for canteen, overcomes in the prior art
Deficiency, there is rational in infrastructure, the characteristics of easily cleaning, and domestic power supply need not be connected by the energy storage function of itself can to add
The self heating function of hot meal and soup class.
In order to achieve the above object, the utility model provides a kind of portable self-heating lunch box, wherein, the lunch box bag
Containing box body, inner bag, and upper lid, lower cover, left cap and right cap；Hollow out, i.e., only retain from top to bottom among described box body
The side wall of surrounding, box body both sides further respectively have inside cavity, and it is separated with the middle vacancy among box body by side wall, in box body
Between middle vacancy place inner bag, is provided with battery pack, battery protecting plate and circuit control panel in the cavity in left side, box body front is on a left side
The outer surface of side cavity is provided with power switch, battery capacity indication lamp and charging hole；Described upper cover buckle is put on box body and inner bag
Side, lower cover are buckled below box body and inner bag, heater are provided between inner bag and lower cover, left cap buckles the sky on the left of box body
Outside chamber, right cap is buckled outside the cavity on the right side of box body.
Above-mentioned portable self-heating lunch box, wherein, described battery pack is charged lithium cells group, can charge and supply
To electric energy；Described battery pack is connected respectively with circuit control panel, power switch and to the charging hole that battery pack charges.
Above-mentioned portable self-heating lunch box, wherein, described circuit control panel is connected with battery capacity indication lamp, passes through electricity
Amount instruction lamp shows the electricity of battery pack, very clear using state of charge.
Above-mentioned portable self-heating lunch box, wherein, described circuit control panel is also connected with heater, power switch
After unlatching, battery pack is heated transmitting to heater for stable electric power, and heater discharges heat energy so as to reach the mesh of heating
's.
Above-mentioned portable self-heating lunch box, wherein, described heater is PTC（positive temperature
Coefficient, positive temperature coefficient thermo-sensitive material）Heater, described heater are provided with temperature sensor.
Above-mentioned portable self-heating lunch box, wherein, described temperature sensor is connected with circuit control panel, circuit control
Making sheet receives the signal of temperature sensor, and power supply is automatically cut off after heat energy exceedes setting value.
Above-mentioned portable self-heating lunch box, wherein, described inner bag be Nanoalloy aluminium manufacture food-grade not
Viscous pot inner bag, the inner bag can be extracted or placed from box body and go back, hollow among the shape of inner bag, size and box body
Body fit.
Above-mentioned portable self-heating lunch box, wherein, described box body and upper lid, lower cover, left cap and right cap are equal
For food-grade PP（Polypropylene）And ABS（Acrylonitrile-butadiene-styrene copolymer）Manufactured goods.Described upper lid, lower cover,
Left cap and right cap can be dismantled.
Above-mentioned portable self-heating lunch box, wherein, sealing ring is provided with below described lid, can be by inner bag and upper lid
Between seal；Pressure valve is additionally provided with described upper lid, automatic deflation when pressure is excessive in inner bag；Box by described upper lid
Lid spring switch is additionally provided with body, the upper lid of fastening can be flicked, and then controls the folding covered.
Above-mentioned portable self-heating lunch box, wherein, described box body, the cavity on the right side of it is the standby tableware of placement
Cutlery box.Preferably, the side wall between hollow among the cavity and box body of both sides is grid plate shape.
Portable self-heating lunch box provided by the utility model has advantages below：
The self-heating lunch box is powered by way of charged lithium cells group power supply to lunch box, it is possible to provide 100W power, is changed
The deficiency that most of lunch boxes can not heat in addition has been apt to it, drawing out type food-grade aluminum liner improves the bad clear of Electric lunch-box
Wash, unsafe problems, while pass through the temperature control equipment of embedded system, and the food-grade PP+ABS materials that box body uses
And the appearance design of hommization, greatly enrich the function of lunch box, the food also ensured while being provided convenience for people
Freshness and quality, it is most important that the outdoor function of heating immediately can be accomplished.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of portable self-heating lunch box of the present utility model.
Fig. 2 is the circuit theory diagrams of portable self-heating lunch box of the present utility model.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with accompanying drawing.
As shown in figure 1, portable self-heating lunch box provided by the utility model, includes box body 15, inner bag 3, Yi Jishang
Lid 1, lower cover 10, left cap 5 and right cap 11.Box body 15 and upper lid 1, lower cover 10, left cap 5 and right cap 11 are food-grade
PP and ABS manufactured goods.Upper lid 1, lower cover 10, left cap 5 and right cap 11 can be dismantled.
Hollowed out from top to bottom among box body 15, the both sides of box body 15 further respectively have inside cavity.
Place inner bag 3 in middle vacancy among box body 15.Inner bag 3 is the food-grade non-stick pan inner bag of Nanoalloy aluminium manufacture
3, the inner bag 3 can be extracted or placed from box body 15 and go back, hollow among the shape of inner bag 3, size and box body 15
Body fit.
The cavity on the right side of box body 15 is the cutlery box 12 for placing standby tableware.Battery pack 6, battery are provided with the cavity in left side
Protection board and circuit control panel, the front of box body 15 are provided with power switch 4, the and of battery capacity indication lamp 7 on the outer surface of left side cavity
Charging hole 8.
Upper lid 1 is buckled above box body 15 and inner bag 3, and lower cover 10 is buckled below box body 15 and inner bag 3, and inner bag 3 is with
Heater 9 is provided between lid 10, left cap 5 is buckled outside the cavity in the left side of box body 15, and right cap 11 is buckled on the right side of box body 15
Cavity outside.
The upper lower section of lid 1 is provided with sealing ring 2；Pressure valve 14 is additionally provided with upper lid 1；The box body 15 on the upper side of lid 1 is provided with upper lid
Snap switch 13.
Battery pack 6 is charged lithium cells group；Battery pack 6 is connected respectively with circuit control panel, power switch 4 and charging hole 8.
Circuit control panel is connected with battery capacity indication lamp 7, and the electricity of battery pack 6 is shown by battery capacity indication lamp 7.
Circuit control panel is also connected with heater 9, and after power switch 4 is opened, battery pack 6 is transmitted stable electric power to adding
Hot device 9 is heated.Heater 9 is ptc heater, and heater 9 is provided with temperature sensor, and circuit control panel receives temperature and passed
The signal of sensor, power supply is automatically cut off after heat energy exceedes setting value.
Portable self-heating lunch box provided by the utility model is further described with reference to embodiment.
Embodiment 1
A kind of portable self-heating lunch box, include box body 15, inner bag 3, and upper lid 1, lower cover 10, left cap 5 and the right side
Side cover 11.Box body 15 and upper lid 1, lower cover 10, left cap 5 and right cap 11 are food-grade PP and ABS manufactured goods.Upper lid 1,
Lower cover 10, left cap 5 and right cap 11 can be dismantled.
Hollowed out from top to bottom among box body 15, i.e., only retain the side wall of surrounding, the both sides of box body 15 further respectively have inside
Cavity, it is separated with the middle vacancy among box body 15 by side wall.Preferably, the middle vacancy among the cavity of both sides and box body 15 it
Between side wall be grid plate shape.
Place inner bag 3 in middle vacancy among box body 15.Inner bag 3 is the food-grade non-stick pan inner bag of Nanoalloy aluminium manufacture
3, the inner bag 3 can be extracted or placed from box body 15 and go back, hollow among the shape of inner bag 3, size and box body 15
Body fit.
The cavity on the right side of box body 15 is the cutlery box 12 for placing standby tableware.Battery pack 6, battery are provided with the cavity in left side
Protection board and circuit control panel, the front of box body 15 are provided with power switch 4, the and of battery capacity indication lamp 7 on the outer surface of left side cavity
Charging hole 8.
Upper lid 1 is buckled above box body 15 and inner bag 3, and lower cover 10 is buckled below box body 15 and inner bag 3, and inner bag 3 is with
Heater 9 is provided between lid 10, left cap 5 is buckled outside the cavity in the left side of box body 15, and right cap 11 is buckled on the right side of box body 15
Cavity outside.
The upper lower section of lid 1 is provided with sealing ring 2, will can be sealed between inner bag 3 and upper lid 1；Pressure valve is additionally provided with upper lid 1
14, automatic deflation when pressure is excessive in inner bag 3；Lid spring switch 13 is additionally provided with the box body 15 on the upper side of lid 1, will can be detained
Tight upper lid 1 flicks, and then controls the folding of upper lid 1.
Battery pack 6 is charged lithium cells group, and can charge simultaneously supply of electrical energy；Battery pack 6 and circuit control panel, power switch
4 and to battery pack 6 charge charging hole 8 connect respectively.Circuit control panel is connected with battery capacity indication lamp 7, passes through battery capacity indication lamp 7
The electricity of battery pack 6 is shown, it is very clear using state of charge.
Circuit control panel is also connected with heater 9, and after power switch 4 is opened, battery pack 6 is transmitted stable electric power to adding
Hot device 9 is heated, and heater 9 discharges heat energy so as to reach the purpose of heating.Heater 9 is ptc heater, on heater 9
Provided with temperature sensor.Temperature sensor is connected with circuit control panel, and circuit control panel receives the signal of temperature sensor, in heat
Power supply is automatically cut off after can exceed that setting value.
Portable self-heating lunch box provided by the utility model, wherein battery pack 6 are connected with ptc heater 9, open electricity
Energy is directly conveyed supply ptc heater 9 by battery pack 6 by circuit system after source switch 4, is put into the lunch box inner bag 3 of aluminum
Heat energy is directly conveyed to the function that inner bag 3 reaches heating after being connected with ptc heater 9.
Portable self-heating lunch box provided by the utility model, internal circuit is as shown in Fig. 2 wherein battery pack 6 is three
String two and charged lithium cells group, be provided with heater strip 16 in ptc heater 9.There is the circuit battery electric quantity to overcharge, and crosses and puts, surely
The safeguard function of pressure.It is described as follows.
Wiring explanation：
1）P+ connects heating module positive pole；
2）P- connects heating module negative pole；
3）C+ connects charger positive pole and electric quantity display plate positive pole；
4）C- connects charger negative pole and electric quantity display plate negative pole.
Normal use explanation（Q1 is in the conduction state）：
1）K1 switches are closed, Q2 and Q4 conductings, heating module often work.C+ to C- arrives B- again to Q4 simultaneously
Loop is formed, now electric quantity display plate normal work.
2）K1 switches are disconnected, Q2 and Q4 are closed, and heating module power supply disconnects.D11 diodes are galvanically isolated, C-
Loop is disconnected between B-, and electric quantity display plate is closed.
Discharge condition current trend order be：B+, P+, heating module, P-, Q2, C-, Q4, B-.
Charge explanation（K1 is off）：
1）After plugging charger, the conducting of D11 diode forwards, loop turns between C+ and C-, charges normal realization.Together
When electric quantity display plate normal work.
2）After battery electric quantity saturation, the pin of main control chip 1 output low level, MOS pipes 30P110 is closed, and charging is closed.
Now electric quantity display plate is powered by charger, and after disconnecting charger, electricity display is closed.
Charged state current trend order be：C+、Q1、B+、B-、D11、C-.
Discharge overcurrent protection and short-circuit protection：When the pin of master chip 4 detects that discharge current exceedes setting value or short circuit,
The pin of chip 3 exports low level, and MOS pipes Q2 and Q4 are closed, and heating module power supply disconnects.
Over：When any one pin in 11 pin, 12 pin, 13 pin of chip detects battery core voltage less than electricity
Core protects voltage, the pin of chip 3 output low level, and MOS pipes Q2 and Q4 are closed, and heating module power supply disconnects.
Additives for overcharge protection：When any one pin in 11 pin, 12 pin, 13 pin of chip detects battery core voltage higher than electricity
Core protects voltage, the pin of chip 1 output low level, and MOS pipes Q1 is closed, and C+ to B+'s is separated, and charging terminates.
Portable self-heating lunch box provided by the utility model, it is a kind of rational in infrastructure, easy cleaning, without connecting house
Food and the self-heating lunch box of soup class can be heated by the energy storage function of itself with power supply, overcomes deficiency of the prior art,
The freshness and quality of the food also ensured while being provided convenience for people, it is most important that outdoor heating immediately can be accomplished
Function.
Although content of the present utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as to limitation of the present utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the present utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (10)
1. a kind of portable self-heating lunch box, it is characterised in that the lunch box includes box body, inner bag, and upper lid, lower cover, a left side
Side cover and right cap；
Hollowed out from top to bottom among described box body, box body both sides further respectively have inside cavity, the middle vacancy among box body
Inner bag is placed, battery pack, battery protecting plate and circuit control panel are provided with the cavity in left side, box body front is in the outer of left side cavity
Surface is provided with power switch, battery capacity indication lamp and charging hole；
Described upper cover buckle is put above box body and inner bag, and lower cover is buckled below box body and inner bag, is set between inner bag and lower cover
Having heaters, left cap are buckled outside the cavity on the left of box body, and right cap is buckled outside the cavity on the right side of box body.
2. portable self-heating lunch box as claimed in claim 1, it is characterised in that described battery pack is charged lithium cells
Group；Described battery pack is connected respectively with circuit control panel, power switch and charging hole.
3. portable self-heating lunch box as claimed in claim 2, it is characterised in that described circuit control panel refers to electricity
Show that lamp is connected, the electricity of battery pack is shown by battery capacity indication lamp.
4. portable self-heating lunch box as claimed in claim 3, it is characterised in that described circuit control panel also with heating
Device is connected, and after power switch is opened, electric energy is transmitted to heater and heated by battery pack.
5. portable self-heating lunch box as claimed in claim 4, it is characterised in that described heater is ptc heater,
Described heater is provided with temperature sensor.
6. portable self-heating lunch box as claimed in claim 5, it is characterised in that described temperature sensor and circuit control
Making sheet is connected, and circuit control panel receives the signal of temperature sensor, and power supply is automatically cut off after heat energy exceedes setting value.
7. portable self-heating lunch box as claimed in claim 1, it is characterised in that described inner bag is Nanoalloy aluminium
The food-grade non-stick pan inner bag of manufacture.
8. portable self-heating lunch box as claimed in claim 1, it is characterised in that described box body and upper lid, lower cover, a left side
Side cover and right cap are food-grade PP and ABS manufactured goods.
9. portable self-heating lunch box as claimed in claim 8, it is characterised in that sealing is provided with below described upper lid
Circle, is additionally provided with pressure valve on described upper lid, and lid spring switch is additionally provided with the box body by described upper lid.
10. portable self-heating lunch box as claimed in claim 9, it is characterised in that described box body, the cavity on the right side of it
To place the cutlery box of tableware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696882.9U CN206933639U (en) | 2017-06-15 | 2017-06-15 | A kind of portable self-heating lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696882.9U CN206933639U (en) | 2017-06-15 | 2017-06-15 | A kind of portable self-heating lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206933639U true CN206933639U (en) | 2018-01-30 |
Family
ID=61364432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720696882.9U Expired - Fee Related CN206933639U (en) | 2017-06-15 | 2017-06-15 | A kind of portable self-heating lunch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206933639U (en) |
-
2017
- 2017-06-15 CN CN201720696882.9U patent/CN206933639U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206166497U (en) | Cup insulation cover | |
| CN203457940U (en) | Automatic heating lunch box | |
| CN206933639U (en) | A kind of portable self-heating lunch box | |
| CN206062498U (en) | A kind of Multifunction outdoor water tumbler | |
| CN201822140U (en) | Vacuum-preservation automatic heating lunch box | |
| CN205338462U (en) | Hand warmer type thermos cup | |
| CN203914354U (en) | A kind of solar energy temperature-regulating cup | |
| CN108030379A (en) | A kind of intelligent heating attemperator using luminous energy | |
| CN206729445U (en) | A kind of Chargeable electric heating lunch box | |
| CN214179972U (en) | Portable constant-temperature heating bowl | |
| CN206006027U (en) | Solar energy heating jacket | |
| CN107822287A (en) | Rechargeable electric heating lunch box | |
| CN201379448Y (en) | Electric heating heat-preservation bag/heat-preservation belt | |
| CN107947323A (en) | A kind of wireless charging heating thermal earmuffs | |
| CN208755565U (en) | A kind of wireless charging heating and thermal insulation bowl | |
| CN204765112U (en) | Open -air kettle of solar energy | |
| CN209518977U (en) | One kind can the portable hand warmer of self-heating | |
| CN205963676U (en) | Hand -warming water cup | |
| CN202233697U (en) | Multifunctional DC high-temperature heating lunch box | |
| CN207012027U (en) | A kind of intelligent warm hand cup | |
| CN208550350U (en) | A kind of heatable Portable travel mug | |
| CN205923263U (en) | Heating lunch box is used to open air | |
| CN206808903U (en) | A kind of multifuctional solar open air knapsack | |
| CN202619969U (en) | Hand warmer with mobile power supply | |
| CN209966073U (en) | Microcomputer electric cooker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190615 |