CN212150056U - Can be fast wireless heating packing carton - Google Patents
Can be fast wireless heating packing carton Download PDFInfo
- Publication number
- CN212150056U CN212150056U CN202020160308.3U CN202020160308U CN212150056U CN 212150056 U CN212150056 U CN 212150056U CN 202020160308 U CN202020160308 U CN 202020160308U CN 212150056 U CN212150056 U CN 212150056U
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- China
- Prior art keywords
- heating
- polyethylene
- box body
- heating coil
- layer
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of food packaging containers, in particular to a packaging box capable of rapidly and wirelessly heating.A box body is divided into 7 layers from outside to inside, and polyethylene, a paperboard, polyethylene, a heating layer, a blocking layer, polyethylene and polyethylene are sequentially arranged; the heating layer is at least one piece of thin film circuit coil composite material with a heating coil arranged, and the heating layer is arranged in at least one side face of the box body. The utility model discloses can give the safe rapid heating of packing carton inclusion through wireless battery charging outfit, convenient and practical, the energy consumption reduces.
Description
Technical Field
The utility model relates to a food package container technical field, specific can quick wireless heating packing carton that says so relates to.
Background
In cold seasons, the food and drink products sold on the market are cool and not suitable for direct use, and therefore, heating is required. At present, common heating modes comprise a heating cabinet, a self-heating beverage container and the like. The heating cabinet has large energy consumption and large occupied area, and is inconvenient to use. At present, most of spontaneous heating containers generate heat in a chemical mode, and potential safety hazards and recycling problems exist. And the container which is partially heated by the resistor occupies a large amount of storage space in the container, and is not practical.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims to provide a wireless heating packing carton specifically is realized through following technical scheme:
a packaging box capable of achieving rapid wireless heating comprises a box body 1, wherein the box body 1 is divided into 7 layers from outside to inside, and polyethylene, a paper board 5, polyethylene, a heating layer 3, a blocking layer 4, polyethylene and polyethylene are sequentially arranged; the heating layer 3 is at least one sheet of thin film circuit coil composite material arranged with a heating coil 6, the heating layer 3 being arranged in at least one side of the box body 1.
Further, in the above technical solution, the heating coil 6 is spirally arranged on the thin film circuit coil composite material, and the shape thereof is circular or any polygon.
Further, in the above technical solution, the thickness and the number of turns of the heating coil 6 are determined according to the power required for heating the contents of the box body 1 to a specified temperature.
Further, in the above technical solution, the heating coil 6 is made of aluminum or copper.
Furthermore, in the above technical scheme, the heating coil 6 is connected to the temperature control protection switch 7, the loop is automatically disconnected when the content in the box body 1 reaches the required temperature, and the temperature control protection switch 7 is made of a material with a different expansion coefficient from that of the heating coil 6.
Further, in the above technical solution, the heating coil 6 is arranged on the thin film circuit coil composite material by winding or spray pressing or spray coating.
The beneficial effects of the utility model reside in that: (1) the contents in the packaging box body 1 can be heated through wireless charging equipment, so that the packaging box is convenient and practical and the energy consumption is reduced; (2) the processing technology of the product is to add one or more heating layers 3 on the basis of the technology of the original packaging box, the forming technology is mature, the original technology is not required to be greatly changed, and the cost of the packaging box is not greatly increased; (3) the heating layer 3 is close to the blocking layer 4, so that the thermal resistance between the heating layer 3 and the content in the box body 1 is reduced on the premise of ensuring the food safety, and the heat transfer efficiency is maximized; (4) the product is only provided with the heating layer 3 inside the packaging box, and the food safety, quality preservation, corrosion prevention, quick use and other aspects of the original contents of the packaging box cannot be influenced; (5) the heating is rapid, and the circuit is automatically disconnected after the set value is reached, so that the safety is ensured.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic view of the expansion structure of the box body of the present invention;
fig. 3 is a schematic diagram of the distribution of the tangent plane of the box body of the present invention.
Detailed Description
To further describe the specific contents of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 3, the utility model relates to a but quick wireless heating packing carton, its box body 1 material is divided into 7 layers by outer to interior altogether, is in proper order: 1. polyethylene, for moisture protection; 2. a cardboard 5 for stabilizing the structure and printing; 3. polyethylene, strength bonding; 4. a heating layer 3 for heating; 5. the barrier layer 4 is made of metal materials such as aluminum foil and the like and used for blocking oxygen, light, smell and the like; 6. polyethylene for bonding; 7. polyethylene for sealing.
As shown in fig. 2, the heating layer 3 is a thin film circuit coil composite material in which a heating coil 6 is arranged, and the heating coil 6 is a spiral coil of a circle or an arbitrary polygon. The heating layer 3 is arranged on at least one side of the cartridge. The material of the heating coil 6 can be aluminum foil or copper foil or other metal materials meeting food safety standards.
Can satisfy actual demand through different modes such as the material of adjustment heating coil 6, thickness, the number of turns according to different demands such as the size of different packing carton, 1 inclusion of packing carton body, heating time, heating and constant temperature in the use.
The thickness and the number of turns of the heating coil 6 can be heated to a designated temperature according to the contents of the cartridge body 1
Determining the required power specifically as follows:
by the formula:
calculating the power required by heating the content in the box body 1 to a specified temperature, and then determining the area and thickness of the heating layer 3 required by the patented product according to different powers.
The above formula: p-heating power (unit: W); Δ t-time required to heat to the desired temperature; k is the efficiency utilization coefficient; q-is the amount of heat absorbed (or released) (unit: Joule); q ═ c (m · Δ T); c-specific heat capacity; m is the mass of the contents of the box 1; Δ T-is the amount of change in temperature after an endotherm (or exotherm).
As shown in fig. 1, will the utility model discloses a heating surface is kept flat on wireless heating battery charging outfit, and wireless battery charging outfit keeps discharging, can heat. The heating device shown in the figure can be various wireless heating and charging devices such as a conventional wireless charging base or a wireless charging device on the market or a mobile phone with a wireless reverse charging function. Wireless heating battery charging outfit's high frequency magnetic field pierces through the utility model discloses zone of heating 3 in the product makes the inside circulation that produces of zone of heating 3 to the zone of heating 3 that causes through the circulation generates heat and realizes the purpose of heating 1 inclusion of box body.
The novel heating layer 3 is in the form of a heating coil 6 which has relatively low resistivity and can induce larger circulating current, thereby realizing rapid heating of the contents in the packaging box body 1.
In order to ensure the safety of the heating engineering, the heating coil 6 is connected with a temperature control protection switch 7, and a loop is automatically disconnected when the content in the box body 1 reaches the required temperature, so that the self-protection function of the heating coil 6 is realized
The heating coil 6 may be processed in the following manner: winding, punching, spraying and other technological forms, and the heating layer has certain flexibility and may be bent freely.
Claims (6)
1. The utility model provides a can be fast wireless heating packing carton, includes box body (1), its characterized in that: the box body (1) is divided into 7 layers from outside to inside, and sequentially comprises polyethylene, a paperboard (5), polyethylene, a heating layer (3), a blocking layer (4), polyethylene and polyethylene;
the heating layer (3) is a composite material arranged with a heating coil (6), the heating layer (3) being arranged in at least one side of the box body (1).
2. A rapid wireless heatable packaging case as defined in claim 1, wherein: the heating coil (6) is spirally arranged on the composite material and is circular or any polygon.
3. A rapid wireless heatable packaging case as defined in claim 1, wherein: the thickness and the number of turns of the heating coil (6) are determined according to the power required for heating the contents of the box body (1) to a specified temperature.
4. A rapid wireless heatable packaging case as defined in claim 1, wherein: the heating coil (6) is made of aluminum or copper.
5. A rapid wireless heatable packaging case as defined in claim 1, wherein: the heating coil (6) is connected into a temperature control protection switch (7), a loop is automatically disconnected when the content in the box body (1) reaches the required temperature, and the temperature control protection switch (7) is made of a material with a different expansion coefficient from the heating coil (6).
6. A rapid wireless heatable packaging case as defined in claim 1, wherein: the heating coils (6) are arranged on the composite material in a winding or spray-pressing or spray-coating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160308.3U CN212150056U (en) | 2020-02-11 | 2020-02-11 | Can be fast wireless heating packing carton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160308.3U CN212150056U (en) | 2020-02-11 | 2020-02-11 | Can be fast wireless heating packing carton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212150056U true CN212150056U (en) | 2020-12-15 |
Family
ID=73711684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020160308.3U Expired - Fee Related CN212150056U (en) | 2020-02-11 | 2020-02-11 | Can be fast wireless heating packing carton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212150056U (en) |
-
2020
- 2020-02-11 CN CN202020160308.3U patent/CN212150056U/en not_active Expired - Fee Related
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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: 20201215 |