CN216089966U

CN216089966U - Portable heat preservation device

Info

Publication number: CN216089966U
Application number: CN202120300819.5U
Authority: CN
Inventors: 高江平; 傅良录
Original assignee: Shenzhen Qiaowu Technology Co ltd
Current assignee: Shenzhen Qiaowu Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-03-22
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a portable heat preservation device, relates to the technical field of daily necessities, and solves the technical problems that the existing heat preservation device is complex in structure and inconvenient to carry, can only perform passive heat preservation and is difficult to provide a high-temperature heat preservation effect. The device comprises a cover body and a heating module connected with the cover body; the cover body is of an open cavity structure and can be matched with a plane or a special-shaped surface to form a closed cavity structure; the heating assembly of the heating module is capable of raising the temperature of the interior of the enclosure; the cover body can reduce the convection heat transfer between the inside and the outside, so that the inside is insulated. According to the utility model, through the matching of the cover body and the heating module, the heat preservation of the object in the cover body is realized, the heat preservation effect can be improved through heating, the high-temperature heat preservation is carried out, the product is light and convenient, the carrying is convenient, the structure is simple, and the user experience is better.

Description

Portable heat preservation device

Technical Field

The utility model relates to the technical field of daily supplies, in particular to a portable heat preservation device.

Background

With the improvement of life quality of people, the storage requirements of articles and food are higher and higher, and the articles and the food are often required to be stored in a relatively high-temperature environment. For example, hot dishes cooked in winter are often not eaten yet, and become cold in the process of waiting for other dishes to be made, so that the taste of food is influenced, and the health of people is not facilitated. For another example, people need to carry cooked food when going out, but the heating is inconvenient because of different types of containers for storing food. Therefore, in order to maintain the texture of food, a device capable of keeping food warm is required.

In the process of implementing the utility model, the utility model people find that at least the following problems exist in the prior art:

the existing heat preservation device has a complex structure, is inconvenient to carry, can only carry out passive heat preservation, and is difficult to provide the heat preservation effect of high temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a light heat preservation device, and aims to solve the technical problems that the heat preservation device in the prior art is complex in structure and inconvenient to carry, can only perform passive heat preservation and is difficult to provide a high-temperature heat preservation effect. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a portable heat preservation device, which comprises a cover body and a heating module connected with the cover body; the connection mode is clamping connection, adhesive connection or screw connection; the cover body is of an open cavity structure and can be matched with a plane or a special-shaped surface to form a closed cavity structure; the heating assembly of the heating module is capable of raising the temperature of the interior of the enclosure; the cover body can reduce the convection heat transfer between the inside and the outside, so that the inside is insulated; the heating module further comprises a temperature sensor and a controller, the temperature sensor and the controller are connected with the cover body, and the controller is electrically connected with the temperature sensor and the heating assembly; the temperature sensor can acquire a temperature signal in the cover body, and the controller can turn on or off the heating assembly according to the temperature signal and control the power of the heating assembly; the temperature setting interval in the cover body is 40-50 ℃; the controller is an STM32 singlechip.

Preferably, the heating component is one or more of heating ceramic, heating resistance wire, infrared heating tube or semiconductor heating chip; the heating component can be of a plate structure or a strip structure.

Preferably, a heat insulation layer is further arranged around the heating assembly.

Preferably, the cover body is of one-layer or multi-layer structure, wherein at least one layer is a heat insulation material layer or a heat insulation composite structure layer.

Preferably, the portable heat preservation device is further provided with a power cord or a power cord interface, and an external power supply can supply power to the heating module through the power cord or the power cord interface.

Preferably, the portable heat preservation device is also provided with a battery, and the battery is sealed in the cover body and is electrically connected with the power line or the power line interface; the battery can be charged through the power cord or the power cord interface, and the battery can supply power to the heating module after charging.

Preferably, the heating module further comprises a fan, and the fan can rapidly dissipate heat generated by the heating assembly.

Preferably, the portable heat preservation device is further provided with a sealing ring, and the sealing ring is arranged on the periphery of the lower end of the cover body.

Preferably, the portable heat preservation device is further provided with a handle, and the handle is connected with the outer side of the top of the cover body.

The implementation of one of the technical schemes of the utility model has the following advantages or beneficial effects:

according to the utility model, through the matching of the cover body and the heating module, the heat preservation of the object in the cover body is realized, the heat preservation effect can be improved through heating, the high-temperature heat preservation is carried out, the product is light and convenient, the carrying is convenient, the structure is simple, and the user experience is better. In winter, the utility model covers the ready-made hot dishes for heat preservation, simultaneously cooks other hot dishes, and when the rest hot dishes are all ready, the temperature of all dishes is more suitable, and the dining experience is more comfortable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a first perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view from a second perspective of an embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of the embodiment of the present invention.

In the figure: 1. a cover body; 11. an inner layer; 12. an outer layer; 13. a seal ring; 14. a handle; 2. a heating assembly; 3. and a controller.

Detailed Description

In order that the objects, aspects and advantages of the present invention will become more apparent, various exemplary embodiments will be described below with reference to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary embodiments in which the utility model may be practiced. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc. consistent with certain aspects of the present disclosure as detailed in the appended claims, and that other embodiments may be used or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for the purpose of facilitating the description of the present invention and simplifying the description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed in a particular orientation, and be operated. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected" and "coupled" are to be construed broadly and may include, for example, a fixed connection, a removable connection, an integral connection, a mechanical connection, an electrical connection, a communicative connection, a direct connection, an indirect connection via intermediate media, and may include, for example, a connection between two elements or an interaction between two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to explain the technical solution of the present invention, the following description is made by way of specific examples, which only show the relevant portions of the embodiments of the present invention.

As shown in fig. 1 to 4, the utility model provides a portable heat preservation device, which comprises a cover body 1 and a heating module connected with the cover body 1, wherein the heating module and the cover body 1 are fixed in a clamping connection mode, an adhesive connection mode, a screw connection mode and the like. The cover body 1 is an open cavity structure and can be matched with a plane (such as a flat desktop) or a special-shaped surface (such as an uneven surface) to form a closed cavity structure, the specific shape of the opening of the cover body 1 can be set as required, and generally speaking, the opening of the cover body 1 can adapt to most application scenes for the flat structure. The cover body 1 can contain articles through a cavity structure, so that the cover body 1 can cover or seal the articles or food in the cover body through matching with a desktop and the like, and the shape of the cover body 1 can be correspondingly set according to the shape of the articles contained in the cover body. Heating module's heating element 2 can make the inside temperature of the cover body 1 rise, specifically speaking, heating element 2 heats to high temperature after, makes the inside temperature of the cover body 1 rise through convection current and radiation effect, realizes the heat preservation or the heating of article or food in the cover body 1, realizes high temperature heat preservation, and specific heat preservation temperature range is selected as required. The cover body 1 can reduce the convection heat transfer between the inside and the outside, and the cover body 1 can be better sealed with the cooperation such as desktop, and the accessible heat preservation thermal insulation material is made simultaneously, makes inside keep warm, also can improve the heating efficiency of heating module. According to the utility model, through the matching of the cover body 1 and the heating module, the heat preservation of the articles in the cover body 1 is realized, the heat preservation effect can be improved through heating, the high-temperature heat preservation (such as the heat preservation at 40-50 ℃) is carried out, and the product is light, convenient to carry, simple in structure and better in user experience. In winter, the utility model covers the ready-made hot dishes for heat preservation, simultaneously cooks other hot dishes, and when the rest hot dishes are all made, the temperature of all dishes is more suitable, and the dining experience is more comfortable.

As an alternative embodiment, the heating component 2 of the heating module is one or more of heating ceramics, heating resistance wires, infrared heating tubes or semiconductor heating chips, the specific structure may be a plate-shaped structure, a strip-shaped structure, and the like, and one or more of the heating components may be selected according to the use environment, so as to improve the applicability of the product, and of course, other electrothermal conversion devices may also be selected for heating, which is not illustrated here. Wherein, the chip is the instrument of a heat transfer to the semiconductor heats, when there is the current to pass in the thermocouple pair that a N type semiconductor material and a P type semiconductor material link, will produce the heat transfer between the both ends, the heat will be followed one end and transferred to the other end to produce the difference in temperature and form cold and hot end, wherein the refrigeration face is located the outside of the cover body 1, heats the face and is located the inboard of the cover body 1, thereby the chip is heated to the semiconductor just can realize the heating to the cover body 1 inside to the semiconductor. As shown in fig. 2, the heating assembly 2 is located inside the cover 1 to facilitate heat dissipation to the inside of the cover 1 by convection. The periphery of the heating component 2 is also provided with a heat insulation layer, such as a fiber cushion layer, so that the heat is reduced and is dissipated to the outside of the cover body 1 in a heat conduction mode with the cover body 1.

As optional embodiment, the heating module still includes temperature sensor and controller 3, and temperature sensor, controller 3 are connected with the cover body 1, and the cover body 1 realizes fixed to temperature sensor, controller 3, and fixed mode can be for joint, cementing etc. temperature sensor's probe is located the inside of the cover body 1, and controller 3 can be STM32 singlechip to externally set up the protective housing, specific model like STM32F103VET6 etc. The controller 3 is electrically connected with the temperature sensor and the heating component 2, so that the controller 3 can read the analog temperature signal acquired by the temperature sensor, and can acquire a corresponding digital temperature signal after A/D conversion is carried out on the controller 3. The temperature sensor can collect a temperature signal inside the cover body 1, the controller 3 can turn on or off the heating assembly 2 according to the temperature signal, when the temperature signal is lower than a specific set value or a set interval, such as 40-50 ℃ (the specific temperature can be set according to the use environment), the heating assembly 2 is turned on, and when the temperature signal is higher than the specific set value or the set interval, the heating assembly 2 is turned off, so that the inside of the cover body 1 can be kept in a desired temperature range. Meanwhile, the controller 3 can also control the power of the heating component 2, and the rapid heating or the slow heating can be realized by controlling the power of the heating component 2, so that the functions of the utility model are more comprehensive.

As an alternative embodiment, the cover body 1 is one or more layers, wherein at least one layer is a thermal insulation material layer or a thermal insulation composite structure layer, the thermal insulation material layer is made of foam plastics, and the thermal insulation composite structure layer is made of vacuum, so that the heat exchange speed between the inside and the outside of the cover body 1 can be reduced, and the thermal insulation effect can be improved. As shown in fig. 3, the cover body 1 has a two-layer structure, the inner layer 11 is a heat insulating material layer or a heat insulating composite structure layer, and the outer layer 12 can be a shell made of plastic or the like, and the two-layer structure can achieve both the manufacturing cost and the heat insulating effect.

As an optional implementation manner, the portable heat preservation device is further provided with a power cord or a power cord interface (not shown in the figure), an external power supply can supply power to the heating module through the power cord or the power cord interface, and the power cord interface is directly arranged on the controller 3 and located on the outer side of the cover body 1, so that the power supply can be conveniently accessed. After power is supplied to the heating module, the controller 3 drives the heating assembly 2 to work, so that the heating of the interior of the cover body 1 is realized, and the work of the utility model can be realized after an external power supply is connected. The portable heat preservation device is also provided with a battery which is sealed in the cover body 1 and is electrically connected with a power line or a power line interface; the battery can be charged through a power line or a power line interface, and the battery can supply power to the heating module after charging. The battery is preferably a lithium battery, and the specific capacity of the battery is selected according to the use environment. The portable charger can be used for a long time after being charged once through the battery for power supply, avoids inconvenience caused by limited length of a power line, is convenient to carry when going out, and can embody the characteristic of portability.

As an optional embodiment, the heating module further includes a fan (not shown in the drawings), the fan can rapidly dissipate heat generated by the heating assembly 2, and the fan enables heat of the heating assembly 2 to be rapidly transferred to the inside of the cover body 1 in a convection manner, so as to rapidly heat the articles or food in the cover body 1.

As an alternative embodiment, as shown in fig. 1 and 4, the portable heat preservation device is further provided with a sealing ring 13, and the sealing ring 13 is arranged on the lower end periphery side of the cover body 1. The material of sealing washer 13 is like rubber, can realize the more abundant contact of the cover body 1 with desktop etc to avoid the heat to run off fast, block the cover body 1 inside as far as possible and outside thermal direct exchange, realize better heat preservation effect, also improved heating element 2's heating efficiency. The portable heat preservation device is further provided with a lifting handle 14, and the lifting handle 14 is connected with the outer side of the top of the cover body 1 so as to move the cover body 1 at any time.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A portable heat preservation device is characterized by comprising a cover body and a heating module connected with the cover body; the connection mode is clamping connection, adhesive connection or screw connection; the cover body is of an open cavity structure and can be matched with a plane or a special-shaped surface to form a closed cavity structure; the heating assembly of the heating module is capable of raising the temperature of the interior of the enclosure; the cover body can reduce the convection heat transfer between the inside and the outside, so that the inside is insulated; the heating module further comprises a temperature sensor and a controller, the temperature sensor and the controller are connected with the cover body, and the controller is electrically connected with the temperature sensor and the heating assembly; the temperature sensor can acquire a temperature signal in the cover body, and the controller can turn on or off the heating assembly according to the temperature signal and control the power of the heating assembly; the temperature setting interval in the cover body is 40-50 ℃; the controller is an STM32 singlechip.

2. The portable heat preservation device according to claim 1, wherein the heating component is one or more of heating ceramics, heating resistance wires, infrared heating tubes or semiconductor heating chips; the heating component can be of a plate structure or a strip structure.

3. The portable thermal insulation device according to claim 2, wherein said heating assembly is further provided with a thermal insulation layer around the heating assembly.

4. The portable thermal insulation apparatus of claim 1, wherein the housing is one or more layers, at least one of which is a layer of thermal insulation material or a layer of thermal insulation composite structure.

5. The portable thermal insulation device according to claim 1, further provided with a power cord or a power cord interface through which an external power source can supply power to the heating module.

6. The portable thermal insulation device according to claim 5, further provided with a battery sealed within said housing and electrically connected to said power cord or power cord interface; the battery can be charged through the power cord or the power cord interface, and the battery can supply power to the heating module after charging.

7. The portable thermal insulation device according to claim 1, wherein said heating module further comprises a fan capable of rapidly dissipating heat generated by said heating assembly.

8. The portable thermal insulation device according to any one of claims 1 to 7, further comprising a sealing ring disposed around the lower end of the cover.

9. The portable thermal insulation device of claim 8 further comprising a handle attached to the top outer side of the cover.