CN107822287A - Rechargeable electric heating lunch box - Google Patents
Rechargeable electric heating lunch box Download PDFInfo
- Publication number
- CN107822287A CN107822287A CN201711045986.4A CN201711045986A CN107822287A CN 107822287 A CN107822287 A CN 107822287A CN 201711045986 A CN201711045986 A CN 201711045986A CN 107822287 A CN107822287 A CN 107822287A
- Authority
- CN
- China
- Prior art keywords
- battery
- box body
- electric heating
- chip microcomputer
- 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.)
- Withdrawn
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 7
- 235000013305 food Nutrition 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003149 assay kit Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/001—Accessories
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
Abstract
the invention belongs to the technical field of articles for daily use and discloses a rechargeable electric heating lunch box which comprises a box body, a switch, an L ED display screen, a USB output port, a cover plate, a steam hole, a circuit board, a battery, an A/D converter, a buckle, a temperature sensor, an inner container, a PTC heating element, a single chip microcomputer and a power interface.
Description
Technical field
Present invention relates particularly to a kind of Chargeable electric heating lunch box, belong to technical field of living goods.
Background technology
Some defects be present in existing electric heating mess tin：1st, it is mostly alternating current or automobile power source mode of heating, can not be at family
Used under outer non-transformer environment；2nd, mode of heating is relatively simple；3rd, to incubation canteen inside without effective power management；4th, nothing
Emergent charging function of the electric heating mess tin to digital product.
The content of the invention
The technical problem to be solved in the present invention overcomes the defects of existing, there is provided a kind of Chargeable electric heating lunch box, can both adopt
Lunch box is supplied electricity to battery output direct current to heat, and can also directly be heated, led to lunch box with power supply adaptor or outside 12v power supplys
One USB delivery outlet of increase is crossed, emergent charging can be carried out to digital products such as mobile phones, by setting PTC to send out in tray interior
It hot body, can heat to lunch box, by the way that battery is connected by single-chip microcomputer with A/D converter, can be shown on LED display
Go out charging, full electricity, owe electricity condition, while by USB delivery outlets, be convenient for people to use digital equipment out of doors, can open air at any time
Food is heated, is not influenceed by environment and weather, very big convenient use scope, due to being low pressure 12v outputs and being passed by temperature
Sensor can communicate the temperature to single-chip microcomputer, and then the work of single-chip microcomputer control PTC heaters, greatly improves security performance,
Effectively can solve the problems, such as in background technology.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The present invention provides a kind of Chargeable electric heating lunch box, including box body, switch, LED display, USB delivery outlets, cover plate, steam
Hole, circuit board, battery, A/D converter, buckle, temperature sensor, inner bag, PTC heaters, single-chip microcomputer and power interface, it is described
Cover plate is provided with the top of box body, and the cover plate both ends are detachably connected by buckle and box body, the cover plate, which is provided with, to be steamed
Steam vent, the box body are provided with LED display, switch and USB delivery outlets, and the tray interior is provided with made of steel material
Inner bag, the liner at the bottom are provided with PTC heaters, are provided with temperature sensor at the top of the inner bag, the PTC heaters bottom is set
There is battery, the battery is connected with circuit board, and the battery opposite side is connected by wire with USB delivery outlets, and the battery leads to
Cross wire to be connected with PTC heaters, the circuit board is provided with A/D converter and single-chip microcomputer, and the single-chip microcomputer is turned by A/D
Parallel operation is electrically connected with LED display, and the box body side is provided with the power interface being connected with power supply adaptor and the power supply
Interface is electrically connected with the battery.
As a preferred technical solution of the present invention, the USB delivery outlets side is provided with the rubber stopper for sealing, and
Rubber stopper is connected with box body.
As a preferred technical solution of the present invention, the single-chip microcomputer model PIC16F72.
As a preferred technical solution of the present invention, the A/D converter model ADC0804.
As a preferred technical solution of the present invention, the PTC heaters are made up of aluminum alloy materials and surface uses
Teflon sprays.
As a preferred technical solution of the present invention, the battery is high voltage poly-lithium battery, the battery electricity
Press as 12V.
The beneficial effect that is reached of the present invention is：A kind of Chargeable electric heating lunch box, battery output direct current can be both used
Heat, directly can also be heated with power supply adaptor or outside 12v power supplys to lunch box to lunch box, it is defeated by increasing a USB
Outlet, emergent charging can be carried out to digital products such as mobile phones, by setting PTC heaters in tray interior, lunch box can be given
Heating, by the way that battery is connected by single-chip microcomputer with A/D converter, can be shown on LED display charging, expire it is electric, deficient
Electricity condition, while by USB delivery outlets, be convenient for people to use digital equipment out of doors, outdoor food can be heated at any time, not by ring
Border and weather influence, very big convenient use scope, due to being low pressure 12v outputs and being passed temperature by temperature sensor
Single-chip microcomputer is delivered to, then the work of single-chip microcomputer control PTC heaters, greatly improves security performance.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.
In the accompanying drawings：
Fig. 1 is a kind of Chargeable electric heating lunch box overall structure diagram described in the embodiment of the present invention；
Fig. 2 is a kind of control schematic diagram of Chargeable electric heating lunch box Water Test Kits described in the embodiment of the present invention；
Fig. 3 is a kind of Chargeable electric heating lunch box basic principle schematic described in the embodiment of the present invention；
Label in figure：1st, box body；2nd, switch；3rd, LED display；4th, USB delivery outlets；5th, rubber stopper；6th, cover plate；7th, steam hole；
8th, circuit board；9th, battery；10th, A/D converter；11st, buckle；12nd, temperature sensor；13rd, inner bag；14th, PTC heaters；15th, it is single
Piece machine；16th, power interface.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment：Refer to Fig. 1-2, a kind of Chargeable electric heating lunch box of the present invention, including box body 1, switch 2, LED display
3rd, USB delivery outlets 4, cover plate 6, steam hole 7, circuit board 8, battery 9, A/D converter 10, buckle 11, temperature sensor 12, inner bag
13rd, PTC heaters 14, single-chip microcomputer 15 and power interface 16, the top of box body 1 is provided with cover plate 6, and the both ends of the cover plate 6 lead to
Cross buckle 11 to be detachably connected with box body 1, the cover plate 6 is provided with steam hole 7, and the box body 1 is provided with LED display
3rd, 2 and USB delivery outlets 4 are switched, the inside of box body 1 is provided with inner bag 13, the bottom of inner bag 13 made of steel material and set
There are PTC heaters 14, the top of inner bag 13 is provided with temperature sensor 12, and the bottom of PTC heaters 14 is provided with battery 9, institute
State battery 9 to be connected with circuit board 8, the opposite side of battery 9 is connected by wire with USB delivery outlets 4, and the battery 9 is by leading
Line is connected with PTC heaters 14, and the circuit board 8 is provided with A/D converter 10 and single-chip microcomputer 15, and the single-chip microcomputer 15 passes through
A/D converter 10 is electrically connected with LED display 3, and the side of box body 1 is provided with the power interface 16 being connected with power supply adaptor
And the power interface 16 is electrically connected with battery 9.
The side of USB delivery outlets 4 is provided with the rubber stopper 5 for sealing, and rubber stopper 5 is connected with box body 1, can be played
The effect of protection USB delivery outlets 4, single-chip microcomputer 15 model PIC16F72, the model ADC0804 of A/D converter 10,
The PTC heaters 14 are made up of aluminum alloy materials and surface is sprayed using Teflon, and the battery 9 is high voltage polymer lithium
Battery, the voltage of battery 9 is 12V, safe to use.
It should be noted that the present invention is a kind of Chargeable electric heating lunch box, during work, battery output direct current can have both been used
Lunch box heating is supplied electricity to, directly can also be heated with power supply adaptor or outside 12v power supplys to lunch box, by increasing a USB
Delivery outlet, emergent charging can be carried out to digital products such as mobile phones, by setting PTC heaters in tray interior, meal can be given
Box heats, by the way that battery be connected by single-chip microcomputer with A/D converter, can be shown on LED display charging, expire it is electric,
Owe electricity condition, while by USB delivery outlets, be convenient for people to use digital equipment out of doors, can open air heat food at any time, not by
Environment and weather influence, very big convenient use scope, due to being low pressure 12v outputs and can be by temperature by temperature sensor
Single-chip microcomputer is delivered to, then the work of single-chip microcomputer control PTC heaters, greatly improves security performance.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of Chargeable electric heating lunch box, including box body（1）, switch（2）, LED display（3）, USB delivery outlets（4）, cover plate
（6）, steam hole（7）, circuit board（8）, battery（9）, A/D converter（10）, buckle（11）, temperature sensor（12）, inner bag
（13）, PTC heaters（14）, single-chip microcomputer（15）And power interface（16）, it is characterised in that the box body（1）Top is provided with lid
Plate（6）, and the cover plate（6）Both ends pass through buckle（11）With box body（1）It is detachably connected, the cover plate（6）It is provided with
Steam hole（7）, the box body（1）It is provided with LED display（3）, switch（2）With USB delivery outlets（4）, the box body（1）It is internal
Provided with the inner bag made of steel material（13）, the inner bag（13）Bottom is provided with PTC heaters（14）, the inner bag（13）Top
Portion is provided with temperature sensor（12）, the PTC heaters（14）Bottom is provided with battery（9）, the battery（9）With circuit board（8）
Connection, the battery（9）Opposite side passes through wire and USB delivery outlets（4）Connection, the battery（9）Generated heat by wire and PTC
Body（14）Connection, the circuit board（8）It is provided with A/D converter（10）And single-chip microcomputer（15）, and the single-chip microcomputer（15）Pass through
A/D converter（10）With LED display（3）It is electrically connected with, the box body（1）Side is provided with the power supply being connected with power supply adaptor
Interface（16）And the power interface（16）With battery（9）It is electrically connected with.
A kind of 2. Chargeable electric heating lunch box according to claim 1, it is characterised in that the USB delivery outlets（4）Side is set
There is the rubber stopper for sealing（5）, and rubber stopper（5）With box body（1）Connection.
A kind of 3. Chargeable electric heating lunch box according to claim 1, it is characterised in that the single-chip microcomputer（15）Model
PIC16F72。
A kind of 4. Chargeable electric heating lunch box according to claim 1, it is characterised in that the A/D converter（10）Model
For ADC0804.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045986.4A CN107822287A (en) | 2017-10-31 | 2017-10-31 | Rechargeable electric heating lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045986.4A CN107822287A (en) | 2017-10-31 | 2017-10-31 | Rechargeable electric heating lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107822287A true CN107822287A (en) | 2018-03-23 |
Family
ID=61651139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711045986.4A Withdrawn CN107822287A (en) | 2017-10-31 | 2017-10-31 | Rechargeable electric heating lunch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107822287A (en) |
Cited By (2)
| 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 |
| CN110149948A (en) * | 2019-06-24 | 2019-08-23 | 电子科技大学中山学院 | Deep water planting illumination system |
-
2017
- 2017-10-31 CN CN201711045986.4A patent/CN107822287A/en not_active Withdrawn
Cited By (2)
| 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 |
| CN110149948A (en) * | 2019-06-24 | 2019-08-23 | 电子科技大学中山学院 | Deep water planting illumination system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180323 |