CN115844177A - Portable chargeable self-temperature-control phase-change heat storage sleeping bag - Google Patents

Abstract

The utility model provides a portable chargeable self-control temperature phase transition heat-retaining sleeping bag includes: the sleeping bag comprises a sleeping bag body, a heating and heat storage module, a control system module and a rechargeable power supply; a sleeping bag body, which comprises a bottom and a top; the rechargeable power supply is connected with the control system module and provides electric energy for the heating and heat storage module; the heating and heat storage module is arranged in the top and/or the bottom and comprises an encapsulation pipe, a composite phase change material and an electric heating wire, wherein the encapsulation pipe is used for encapsulating the composite phase change material, and the electric heating wire is arranged in the encapsulation pipe in a penetrating manner; and the control system module is used for automatically controlling the heating and heat storage module to start heating and stop heating according to the difference between the internal temperature of the sleeping bag and the preset temperature. The sleeping bag of this disclosure provides and preheats and automatic temperature control heating function, guarantees the stability of sleeping bag and lasts thermal insulation performance, and reduce cost and volume promote the portability of sleeping bag, build comfortable sleep environment.

Description

A portable rechargeable self-control temperature phase change heat storage sleeping bag

technical field

The invention relates to the field of self-control temperature phase-change heat storage sleeping bag, in particular to a portable rechargeable self-control temperature phase-change heat storage sleeping bag.

Background technique

Aiming at the problem of keeping warm indoors and outdoors in cold winter areas, the survey found that sleeping bags are often used as an important tool in this field. For example, since there is no heating supply in the southern region in winter, sleeping bags can be used indoors as a tool to further keep warm; or when scientific researchers or explorers go to extremely cold regions for work reasons.

At the same time, after further research, it can be found that ordinary sleeping bags on the market are passive heat preservation, that is, the heat preservation performance is improved by increasing the number of layers or weight of the inner fabric, which has obvious disadvantages such as heavy and thick, which not only leads to large fluctuations in the internal temperature, but also cannot provide the above The described situation provides a comfortable environment. There are also some sleeping bags that have the disadvantages of small thermal inertia and poor thermal insulation performance, and the materials used are expensive, which is not economically affordable. If it is limited to the passive heat preservation method of ordinary sleeping bags, no matter how it is improved, the energy stored will be limited due to the limitation of volume and weight.

Moreover, the existing heating sleeping bags that can be used indoors and outdoors have limited heat storage capacity. On the one hand, they use household voltage to charge and work indoors, which has potential safety hazards in power consumption. On the other hand, when used outdoors, they need Carrying a charging power supply or finding a stable power supply is inconvenient, causing the heating sleeping bag to fail to achieve safe sleep indoors, and it is easy to charge outdoors, which brings inconvenience and risk to users.

Therefore, it is necessary to add an auxiliary heat source to the sleeping bag on the basis of the existing sleeping bag, and the sleeping bag with the added auxiliary heat source should also have low cost, be easy to carry, and be easy to charge, so that the sleeping bag has both auxiliary heat source and easy to carry and charge.

Contents of the invention

A brief overview of the present disclosure is given below in order to provide a basic understanding of certain aspects of the present disclosure. It should be understood that this summary is not an exhaustive overview of the disclosure. It is not intended to identify key or critical elements of the disclosure nor to delineate the scope of the disclosure. Its purpose is merely to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.

The purpose of the present disclosure is to provide a portable rechargeable self-temperature-controlling phase-change heat storage sleeping bag to improve the existing sleeping bag’s poor thermal insulation performance and the inability to achieve temperature-controlled heating, and the heat-generating sleeping bag cannot achieve long-lasting heating and long-lasting heat preservation.

The present disclosure provides a portable rechargeable self-control temperature phase-change heat storage sleeping bag, which is characterized in that it includes: a sleeping bag body, a heating and heat storage module, a control system module, and a rechargeable power supply; the sleeping bag body includes a bottom and a top; The power supply is connected to the control system module and provides electric energy for the heating and heat storage module; the heating and heat storage module is arranged in the top and/or bottom, and the heating and heat storage module includes packaging tubes, Composite phase change material, heating wire, wherein the packaging tube is used to package the composite phase change material, and the heating wire is installed in the packaging tube; difference, automatically controls the heating and heat storage modules to start heating and stop heating.

Further, wherein, the top of the sleeping bag body includes the waterproof outer layer, heat insulation layer, heat preservation layer, and inner layer sequentially from the outside to the inside, and the heating and heat storage module is arranged in the heat preservation layer; The bottom of the sleeping bag body includes the waterproof outer layer, the heat insulation layer, the heat preservation layer and the inner layer sequentially from the outside to the inside.

Further, wherein, the heating and heat storage module is arranged in an S-shaped extension in the thermal insulation layer on the top and/or bottom, or is arranged in a spiral manner in the thermal insulation layer on the top and/or bottom layer.

Further, wherein, the composite phase change material is configured by weight ratio of 75-80% paraffin, 17-24% silicon dioxide and 1-3% expanded graphite, and the phase change temperature is 20-60°C.

Further, wherein, the composite phase-change material is prepared as follows: first, after pulverizing each component material, the expanded graphite is heated and expanded, and then the paraffin, silicon dioxide, and expanded graphite in the above ratio are mixed evenly by stirring, and melted Then cool and pulverize to prepare the composite phase change material.

Further, wherein, the control system module is located on the side of the sleeping bag body, and includes a single-chip microcomputer main board, a temperature and humidity detection module, and an automatic switch module. The temperature and humidity detection module is used to detect the temperature and humidity in the sleeping bag and send it to the single-chip microcomputer. The main board, the automatic switch module is connected to the heating and heat storage module. When the temperature is lower than the preset temperature, the single-chip main board controls the automatic switch module to start the switch to heat the heating and heat storage module; when the temperature is higher than the preset temperature temperature, the single-chip main board controls the automatic switch module to turn off the switch, so that the heating and heat storage module stops heating.

Further, wherein, the temperature and humidity detection module includes: a temperature and humidity sensor, a thermocouple probe, and a humidity detection probe.

Further, wherein, the rechargeable power supply is fixed between the waterproof outer layer and the heat insulation layer at the bottom of the sleeping bag.

Further, wherein, the bottom and the top of the sleeping bag body are fixed by Velcro or zipper.

Further, wherein, the packaging tube adopts one of silicone tube, PE tube, PVC tube, or PB tube, with a diameter in the range of 1mm-20mm.

Further, where the composite phase change material undergoes a phase change, heat is stored in the composite phase change material in advance for preheating the sleeping bag during use.

Beneficial effects of the present disclosure:

The present disclosure provides a portable rechargeable self-control temperature phase-change heat storage sleeping bag, which solves the problem that the traditional sleeping bag has a single heat preservation function and insufficient heat preservation performance, it is difficult to ensure the thermal comfort of sleep, and the heating sleeping bag cannot provide a stable and continuous power supply. The power supply, control system module and heating and heat storage module, especially the joint action of the electric heating wire and the composite phase change material, can preheat the sleeping bag in advance, and provide the automatic temperature control heating function for the sleeping bag, ensuring the stable and continuous heat preservation performance of the sleeping bag, reducing the Cost and volume, improve the portability of sleeping bags, and create a comfortable sleeping environment.

Description of drawings

The specific contents of the present disclosure will be described below with reference to the accompanying drawings, which will help to more easily understand the above and other objects, features and advantages of the present disclosure. The drawings are only intended to illustrate the principles of the disclosure. The dimensions and relative positions of elements are not necessarily drawn to scale in the drawings.

Fig. 1 shows the structural representation of the sleeping bag of the present disclosure;

Fig. 2 shows the exploded view of the sleeping bag structure of the present disclosure;

Fig. 3 shows a schematic diagram of the constituent materials of the sleeping bag body of the present disclosure.

Detailed ways

Exemplary disclosures of the present disclosure will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features that implement the disclosure are described in the specification. It should be understood, however, that in developing any such implementation of the disclosure, many disclosure-specific decisions may be made in order to achieve the developer's specific goals, and that these decisions may vary from disclosure to disclosure. Something has changed.

Here, it should also be noted that, in order to avoid obscuring the present disclosure due to unnecessary details, only the device structures closely related to the solutions according to the present disclosure are shown in the drawings, while omitting the structure related to the present disclosure. Other details that are not relevant to the content.

It is to be understood that the present disclosure is not limited to only the described embodiments as described below with reference to the accompanying drawings. Herein, features between different embodiments may be replaced or borrowed, and one or more features may be omitted in one embodiment, where feasible.

The present disclosure will be described in detail below with reference to the accompanying drawings.

Fig. 1 and Fig. 2 have shown the structure schematic diagram of the sleeping bag of the present disclosure, as shown in Fig. System module 3, heating and heat storage module 4. Among them, the control system module 3 includes a single-chip motherboard, LED display screen, temperature and humidity detection module 5, and automatic switch module, and the heating and heat storage module 4 includes packaging tubes, composite phase change materials, and heating wires 6 .

Fig. 3 shows the composition material schematic diagram of sleeping bag body of the present disclosure, as shown in Fig. 3 (a), described sleeping bag body 1 comprises bottom and top, and bottom and top edge are fixed together, for example can adopt Velcro or zipper to fix, Wherein the top is waterproof outer layer 7, heat insulation layer 8, heat insulation layer 9, inner layer 10 successively from outside to inside. As shown in (b) of FIG. 3 , the bottom is a waterproof outer layer 7 , a heat insulating layer 8 , an insulating layer 9 , and an inner layer 10 from the outside to the inside. Preferably, polyester fiber can be used for the waterproof outer layer 7, plastic bubbles can be used for the heat insulation layer 8, cotton, down, goose down and other thermal insulation materials can be used for the heat insulation layer 9, and pure cotton material can be used for the inner layer 10.

Specifically, with regard to the heating and heat storage module 4, it can be arranged on the top or bottom of the sleeping bag body, and can also be arranged on the top and bottom of the sleeping bag body at the same time, preferably in the insulation layer 9 on the top. The heating and heat storage module 4 includes : packaging tube, composite phase change material, heating wire 6; the packaging tube is used to package the composite phase change material, and the heating wire 6 is passed through the packaging tube, and the diameter of the packaging tube can be in the range of 1mm-20mm. Preferably, the packaging tube of the heating and heat storage module 4 can be made of heat-insulating insulating material, such as silicone tube, PE tube, PVC tube, PB tube, etc., and arranged in the insulation layer 9 in an S-shaped extension, or can also be arranged in a spiral The way is extended and arranged in the insulation layer 9, which can increase the thermal area of the heating and heat storage module 4, and improve the heating efficiency and thermal diffusion stability. Those skilled in the art can understand that the heating and heat storage module can also be arranged at the bottom of the sleeping bag body, preferably in the insulation layer 9 at the bottom, or can also be arranged in the insulation layers at the top and bottom at the same time.

Preferably, the composite phase change material can be configured using, for example, silicon dioxide, paraffin and expanded graphite, preferably, the weight ratio is 75-80% of paraffin, 17-24% of silicon dioxide and 1- 3% to prepare composite phase-change materials, specifically, after pulverizing each component material, the expanded graphite is heated and expanded by means such as microwave heating, and then the above-mentioned ratio

The paraffin, silicon dioxide and expanded graphite are mixed uniformly by stirring, cooling and pulverizing after _melting to prepare the composite phase change material, specifically, for example, after mixing uniformly, by

The composite phase change material is prepared by compounding by empty impregnation method, and the phase change temperature of the obtained composite phase change material can be controlled at 20-60° C., and this temperature range includes the comfortable sleep temperature of the human body, which can bring a good sleep experience to users. Among them, paraffin is the main body of the phase change heat storage material, and silica

It plays the role of wrapping and fixing paraffin, and the expanded graphite plays the _role of adsorbing paraffin and improving thermal conductivity. Further, the prepared composite phase-change material is packaged in a package tube through which electric heating wires have been pierced by melt filling technology to make the heating and heat storage module 4 . The composite phase change material made has improved heat storage density and latent heat of fusion, and the heat storage density is 100-400kJ/kg. The technology of packaging the composite phase change material in a packaging tube ensures that the composite phase change material will not leak after melting, and the manufacturing is simple , the cost is lower, and it is convenient to integrate with the insulation layer.

₅ The heating and heat storage module 4 of the above structure adopted in the present invention, compared with phase change materials in the form of microcapsules used in sleeping bags, and other traditional methods of heating and heat preservation through special devices, special fabrics and other materials, we use Paraffin, silicon dioxide and expanded graphite are evenly mixed, and the melted silicon dioxide combines the composite phase change material with its special skeleton structure.

The whole is fixed in units of molecules, and then the composite phase change material and _electric heating wire are packaged in a packaging tube to make a heating and heat storage module. The composite phase change material can store heat in the composite phase change material in advance. The sleeping bag is preheated, and it can also be used as an indirect heating source when in use, storing and releasing the heat emitted by the heating wire. Therefore, the sleeping bag manufacturing method of the present disclosure is simple, lower in cost, smaller in size, lighter in weight, easy to carry, and has high heat storage density, and the phase change process is approximately isothermal, and a large amount of latent heat is absorbed or released, so _heating Efficiency and thermal diffusion stability are better.

When working, the rechargeable power supply supplies power to the heating wire 6, and the heating wire is used to heat and melt the composite phase change material. It is stored in the melted composite phase-change material, and after melting, the composite phase-change material releases phase-change latent heat through condensation to uniformly heat the sleeping bag.

Further, the rechargeable power supply 2 is fixed on the side of the bottom of the sleeping bag body, between the waterproof outer layer 7 and the heat insulation layer 8, and is sewn on the waterproof outer layer 7 and the heat insulation layer 8 along the edge contour of the battery Among them, it includes: a charging terminal and a power transmission terminal, the charging terminal is fixed on the outer surface of the sleeping bag, and the power transmission terminal is connected to the control system module 3 . The rechargeable power source is preferably a polymer lithium battery, which has small volume, high capacity, rechargeable and discharge performance, and good portability.

Further, the control system module 3 is located on the side of the sleeping bag body, and is sewn together with the waterproof outer layer 7 . The temperature and humidity detection module 5 in the control system module 3 is used to automatically control the heating and heat storage module to start heating and stop heating according to the difference between the internal temperature of the sleeping bag and the preset temperature, including a single-chip motherboard, an LED display, Temperature and humidity detection module 5, automatic switch module. The temperature and humidity detection module 5 is sewn together with the inner layer 10 . The main board of the single-chip microcomputer is used to control the work of each component; the LED display screen is sewn outside the waterproof layer 7 to display the temperature and humidity in the sleeping bag; the temperature and humidity detection module 5 is used to detect and feed back the temperature and humidity in the sleeping bag, It includes: a temperature and humidity sensor, a thermocouple probe, and a humidity detection probe. The temperature and humidity sensor is used to feed back temperature and humidity. The thermocouple probe and the humidity detection probe are installed in the inner layer of the sleeping bag for temperature measurement. Humidity measurement; the automatic switch module is used for automatic temperature control, specifically, the automatic switch module is connected to the heating and heat storage module 4, and after receiving the temperature sensing information, it starts the switch heating at a temperature range lower than the setting; If the temperature is higher than the set temperature range, turn off the switch, stop heating, and provide automatic temperature control effect for the sleeping bag. Specifically, the set temperature range may be a comfortable temperature of human body, for example, it may be preset as 25-30°C.

Specifically, the temperature and humidity detection module 5 and the automatic switch module of the control system module 3 are connected to the motherboard of the single-chip microcomputer. When the temperature and humidity detection module 5 returns a detection value, the automatic switch module will Differential, automatic start or disconnection, ensure sleeping bag temperature, improve power utilization, and ensure safe operation.

Before use, the heat can be stored in the composite phase change material in advance, specifically, the heating wire can be powered and heated by household power supply, and the heating wire will heat the composite phase change material at the same time, and the composite phase change material can be heated at the same time. The material undergoes a phase change after absorbing heat, melting from solid to liquid.

During the melting process, the composite phase change material stores heat, and the heat is stored in the melted composite ₅ phase change material in advance. Furthermore, before use, you can use a household power supply or a mobile power bank such as a power bank

The source is connected to the rechargeable power supply 2 for charging. After the battery is fully charged, when in use, the heat stored in the composite phase change material is used to preheat the sleeping bag. When the heat stored in advance is exhausted, the composite phase change material changes from a liquid state is a solid state, and then through the rechargeable power supply 2 to the

The electric heating wire 6 in the heating and heat storage module 4 is powered and heated, and the electric heating wire 6 will _{simultaneously} heat the composite phase change material in the heating and heat storage module 4, and the composite phase change material

After absorbing heat, the phase change occurs and then melts. Heat is stored during the melting process, and the heat is stored in the melted composite phase change material. After melting, the composite phase change material begins to condense and release the latent heat of phase change to uniformly heat the sleeping bag. When the internal temperature is higher than the preset human body comfort temperature, preferably

Specifically, the comfortable temperature of the human body can be preset as 25-30°C, for example, the temperature and humidity detection module ₅₅ will feed back the detected temperature to the main board of the single-chip microcomputer, the automatic switch module will be automatically disconnected, and the 6 heating wires will stop heating. The composite phase change material in the heating and heat storage module continues to release heat until the latent heat of phase change therein is released. When the temperature detected by the temperature and humidity detection module 5 is lower than the preset human body comfortable temperature, the automatic switch module will Automatic start switch heating, to

Recirculation keeps the inside of the sleeping bag within the comfortable temperature range of the human body, creating a _more comfortable microenvironment for the human body.

The present disclosure has been described above in conjunction with specific embodiments, but it should be clear to those skilled in the art that these descriptions are exemplary rather than limiting the protection scope of the present disclosure. Those skilled in the art can, according to the spirit and principles of the present disclosure,

Various variations and modifications are made to the present disclosure, and these variations and modifications are also within the _scope of the present disclosure.

Claims (11)

1. A portable rechargeable self-control temperature phase-change heat storage sleeping bag, characterized in that it includes: a sleeping bag body, a heating and heat storage module, a control system module, and a rechargeable power supply; Sleeping bag body, including bottom and top; A rechargeable power supply is connected to the control system module and provides electric energy for the heating and heat storage module; The heating and heat storage module is arranged in the top and/or bottom, the heating and heat storage module includes a packaging tube, a composite phase change material, and an electric heating wire, wherein the packaging tube is used to package the composite phase change material, The heating wire is passed through the packaging tube; and The control system module is used to automatically control the heating and heat storage module to start heating and stop heating according to the difference between the temperature inside the sleeping bag and the preset temperature. 2. The sleeping bag according to claim 1, wherein the top of the sleeping bag body comprises the waterproof outer layer, heat insulation layer, thermal insulation layer, and inner layer sequentially from the outside to the inside, and the heating and heat storage module It is arranged in the thermal insulation layer; the bottom of the sleeping bag body includes the waterproof outer layer, thermal insulation layer, thermal insulation layer and inner layer sequentially from the outside to the inside. 3. The sleeping bag according to claim, wherein, the heating and heat storage module is arranged in an S-shaped extension in the insulation layer on the top and/or bottom, or arranged in a spiral manner on the top and/or bottom /or in the insulation layer at the bottom. 4. The sleeping bag according to claim 1, wherein the composite phase change material is configured by weight ratio of 75-80% paraffin, 17-24% silicon dioxide and 1-3% expanded graphite, phase The variable temperature is 20-60°C. 5. sleeping bag according to claim 4, wherein, described composite phase change material is prepared as follows: The composite phase change material is prepared by pulverizing each component material, heating and expanding the expanded graphite, stirring and mixing the paraffin, silicon dioxide and expanded graphite in the above proportions, melting, cooling and pulverizing. 6. The sleeping bag according to claim 1, wherein the control system module is located at the side of the sleeping bag body, and includes a single-chip motherboard, a temperature and humidity detection module, and an automatic switch module, and the temperature and humidity detection module is used to detect the temperature and humidity in the sleeping bag. temperature and humidity, and sent to the single-chip main board, the automatic switch module is connected to the heating and heat storage module, when the temperature is lower than the preset temperature, the single-chip main board controls the automatic switch module to start the switch, so that the heating and heat storage module can be heated ; When the temperature is higher than the preset temperature, the single-chip main board controls the automatic switch module to turn off the switch, so that the heating and heat storage module stops heating. 7. The sleeping bag according to claim 6, wherein the temperature and humidity detection module comprises: a temperature and humidity sensor, a thermocouple probe, and a humidity detection probe. 8. The sleeping bag of claim 2, wherein the rechargeable power source is secured between a waterproof outer layer and an insulating layer at the bottom of the sleeping bag. 9. The sleeping bag according to claim 1, wherein the bottom and the top of the sleeping bag body are fixed by Velcro or zipper. 10 . The sleeping bag according to claim 1 , wherein the packaging tube is a silicone tube, a PE tube, a PVC tube, or a PB tube, and the diameter is in the range of 1mm-20mm. 11. The sleeping bag according to claim 1, wherein the composite phase change material stores heat in the composite phase change material in advance through phase change, and is used for preheating the sleeping bag during use.

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