Cold-proof sleeping bag with far infrared heating function

Abstract

The embodiment of the invention discloses a cold-proof sleeping bag with a far infrared heating function. The cold-proof sleeping bag comprises a sleeping bag body and a nanometer carbon fiber heating device, and the nanometer carbon fiber heating device comprises a first insulating film, nanometer carbon fiber textile fabric and a second insulating film which are sequentially stacked. The preparation method of the carbon nanofiber textile fabric comprises the following steps: (1) performing carbonization treatment on quartz fiber / polyester fiber composite fabric to obtain a carbon nanofiber layer; and (2) heating metal until the metal is molten, and uniformly laying the metal on the surface of the carbon nanofiber layer to obtain the conductive carbon nanofiber layer. The novel carbon nanofiber textile material is adopted, far infrared heating can be achieved by externally connecting the mobile power source and utilizing the low-voltage high-temperature technology, and the far infrared heating device has the advantages of being light, thin, comfortable, uniform in heating, precise in temperature control, high in temperature rising and falling speed, high in electricity-heat conversion rate and safe in power source and has good application and popularization value.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of textiles, and in particular to a cold-proof sleeping bag with a far-infrared heating function. Background Art

[0002] Most cold-proof sleeping bags on the market are made of cotton or silk cotton as thermal insulation materials. With the improvement of people's economic quality of life and the rapid development of outdoor sports, especially mountaineering and ice and snow sports, the demand for the quality and other functions of cold-proof sleeping bags has gradually increased. The development of a high-performance cold-proof sleeping bag with heating function has become a trend. Summary of the invention

[0003] To this end, an embodiment of the present invention provides a cold-proof sleeping bag with far-infrared heating function.

[0004] In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:

[0005] A cold-proof sleeping bag with far-infrared heating function, the cold-proof sleeping bag comprises a sleeping bag body and a nano-carbon fiber heating device, the nano-carbon fiber heating device comprises a first insulating film, a nano-carbon fiber textile cloth and a second insulating film stacked in sequence, and the preparation method of the nano-carbon fiber textile cloth is as follows:

[0006] (1) carbonizing the quartz fiber / polyester fiber composite fabric to obtain a nanocarbon fiber layer;

[0007] (2) After the metal is heated to melt, it is evenly applied on the surface of the nano-carbon fiber layer to obtain a conductive nano-carbon fiber layer.

[0008] In some preferred embodiments, the nano-carbon fiber heating device is detachably mounted on the inner side of the sleeping bag body.

[0009] In some preferred embodiments, the material of the first insulating film / the second insulating film is polyimide, polyethylene, polyvinylidene fluoride, or polytetrafluoroethylene.

[0010] In some preferred embodiments, in step (1), the weight proportion of quartz fiber in the quartz fiber / polyester fiber composite fabric is 20-40%; and the carbonization treatment conditions are: 1500-1600° C., 2-3 hours.

[0011] In some preferred embodiments, in step (2), the metal is silver or copper.

[0012] In some preferred embodiments, the method for preparing the nano-carbon fiber textile fabric further comprises: arranging a temperature sensor and a power line on the surface of the conductive nano-carbon fiber layer;

[0013] A temperature control switch is arranged on the power line, and the power line is connected to a mobile power source, which is a 24V or 12V low-voltage lithium battery.

[0014] In some preferred embodiments, the nano-carbon fiber heating device further includes a liquid crystal display screen for timing display and temperature display.

[0015] In some preferred embodiments, the size of the nano-carbon fiber heating device is rectangular, with a length of 120-150 cm and a width of 40-45 cm.

[0016] The present invention adopts a new type of nano-carbon fiber textile material, and can achieve far-infrared heating by connecting an external mobile power source and utilizing low-voltage and high-temperature technology. The embodiments of the present invention have the following advantages:

[0017] (1) Lightweight and comfortable. Nano carbon fiber textile fabric weighs 60-100 grams per square meter and is 0.3-0.5mm thick.

[0018] (ii) Uniform heating. The nano-carbon fiber textile fabric was tested for uniform temperature at 16 points in a square of 50cm*50cm. The results showed that the temperature difference was less than 3°C, which meets the national standard.

[0019] (III) Precise temperature control. The temperature control system is designed from 1°C to 59°C, with precise control of 1°C, a timing function, and an LCD display of temperature and time.

[0020] (IV) Fast heating and cooling speed. A heating and cooling test was conducted on a square of 30cm*30cm nano-carbon fiber textile fabric. Under the condition of 12V voltage, the temperature rose from 24℃ in room temperature to 200℃ in 1-3 seconds after power was turned on. After the power was turned off, the temperature dropped from 200℃ to 24℃ in room temperature in 10 to 5 seconds.

[0021] (V) High electrothermal conversion rate. Nano carbon fiber textile fabrics generate far-infrared heat with an electrothermal conversion rate of 90-100%.

[0022] (VI) Safe power supply: The present invention uses a 24V or 12V low-voltage lithium battery as a mobile power supply, and utilizes low-voltage and high-temperature safety technology. DETAILED DESCRIPTION

[0023] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example 1

[0025] This embodiment provides a nano-carbon fiber heating device, comprising a first polyimide film, a nano-carbon fiber textile fabric, and a second polyimide film stacked in sequence. The first polyimide film has a thickness of 1 mm, and the second polyimide film has a thickness of 1 mm. The preparation method of the nano-carbon fiber textile fabric comprises the following steps:

[0026] (1) carbonizing a quartz fiber / polyester fiber composite fabric with a quartz fiber weight ratio of 25% at 1500° C. for 2 hours to obtain a nanocarbon fiber layer with a thickness of 0.3 mm;

[0027] (2) heating silver at 980° C. until it is melted, and then evenly applying the silver on the surface of the nano-carbon fiber layer to obtain a conductive nano-carbon fiber layer, wherein the thickness of the metal layer is 500 nm;

[0028] (3) A temperature sensor and a power line are arranged on the surface of the conductive nano-carbon fiber layer. A temperature control switch is arranged on the power line, and the power line is connected to a 24V low-voltage lithium battery.

[0029] Example 2

[0030] This embodiment provides a nano-carbon fiber heating device, comprising a first polytetrafluoroethylene film, a nano-carbon fiber textile fabric, and a second polytetrafluoroethylene film stacked in sequence. The first polytetrafluoroethylene film has a thickness of 1.5 mm, and the second polytetrafluoroethylene has a thickness of 1 mm. The preparation method of the nano-carbon fiber textile fabric comprises the following steps:

[0031] (1) carbonizing a quartz fiber / polyester fiber composite fabric containing 40% quartz fiber by weight at 1600° C. for 3 hours to obtain a nanocarbon fiber layer having a thickness of 0.3 mm;

[0032] (2) heating copper to melt at 1100° C. and then evenly applying the copper to the surface of the nano-carbon fiber layer to obtain a conductive nano-carbon fiber layer, wherein the thickness of the metal layer is 800 nm;

[0033] (3) A temperature sensor and a power line are arranged on the surface of the conductive nano-carbon fiber layer. A temperature control switch is arranged on the power line, and the power line is connected to a 24V low-voltage lithium battery.

[0034] Example 3

[0035] This embodiment provides a nano-carbon fiber heating device, comprising a first polyethylene film, a nano-carbon fiber textile fabric, and a second polyethylene film stacked in sequence. The first polyethylene film has a thickness of 2 mm, the second polyethylene film has a thickness of 2 mm, and the preparation method of the nano-carbon fiber textile fabric comprises the following steps:

[0036] (1) carbonizing a quartz fiber / polyester fiber composite fabric containing 30% quartz fiber by weight at 1550° C. for 2.5 hours to obtain a nanocarbon fiber layer having a thickness of 0.4 mm;

[0037] (2) heating silver at 980° C. until it melts, and then evenly applying the silver on the surface of the nano-carbon fiber layer to obtain a conductive nano-carbon fiber layer, wherein the thickness of the metal layer is 400 nm;

[0038] (3) A temperature sensor and a power line are arranged on the surface of the conductive nano-carbon fiber layer. A temperature control switch is arranged on the power line, and the power line is connected to a 24V low-voltage lithium battery.

[0039] Test Case

[0040] 1. The nano carbon fiber textile fabrics prepared in Examples 1-3 were subjected to a temperature uniformity test at 16 points in a square of 50 cm*50 cm. The temperature difference test results are shown in Table 1 below.

[0041] Table 1

[0042] index Example 1 Example 2 Example 3 Temperature difference / ℃ 2.5 2.8 2.2

[0043] 2. The nano carbon fiber textile fabrics prepared in Examples 1-3 were subjected to a 30 cm*30 cm square temperature rise and fall test. The time required for the temperature to rise from 24°C, the indoor temperature, to 200°C after power on was calculated under the condition of 12 V voltage, and the time required for the temperature to drop from 200°C to 24°C, the indoor temperature, after power off. The test results are shown in Table 2 below.

[0044] Table 2

[0045] index Example 1 Example 2 Example 3 Time required for heating up / ℃ 1.5 2 2.8 Time required for cooling down / ℃ 8 10 5

[0046] 3. The nano carbon fiber textile fabrics prepared in Examples 1-3 were subjected to far-infrared heating tests, and the test results of the electrothermal conversion rate are shown in Table 3.

[0047] Table 3

[0048] index Example 1 Example 2 Example 3 Electric heat conversion rate 95％ 100％ 90％

[0049] Example 4

[0050] This embodiment provides a cold-proof sleeping bag, which includes a cold-proof sleeping bag body and a nano-carbon fiber heating device.

[0051] The preparation method thereof comprises the following steps:

[0052] 1.1 Material selection. The inner layer should be made of insulating materials such as down, synthetic fibers or cotton, and the outer layer should be made of waterproof and breathable nylon or other durable fabrics to provide protection and prevent moisture penetration.

[0053] 1.2 Design and cutting: According to the preset sleeping bag style and size, design the template and cut it on the selected outer and inner materials.

[0054] 1.3 Fabric splicing: The cut materials are spliced ​​together by sewing machines. Reinforced stitching is usually used in key areas such as zippers, necks and feet to increase durability, and the cold-proof sleeping bag body is obtained.

[0055] 1.4 Composite: Use Velcro to attach any of the nano-carbon fiber heating devices in Examples 1-3 to the inner side of the prepared cold-proof sleeping bag body (i.e., the inner side of the inner layer material) to make a cold-proof sleeping bag.

[0056] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A cold-proof sleeping bag with far-infrared heating function, characterized in that: The cold-proof sleeping bag comprises a sleeping bag body and a nano-carbon fiber heating device, wherein the nano-carbon fiber heating device comprises a first insulating film, a nano-carbon fiber textile cloth and a second insulating film stacked in sequence, and the preparation method of the nano-carbon fiber textile cloth comprises the following steps: (1) carbonizing the quartz fiber / polyester fiber composite fabric to obtain a nanocarbon fiber layer; (2) After the metal is heated to melt, it is evenly applied on the surface of the nano-carbon fiber layer to obtain a conductive nano-carbon fiber layer.

2. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: The nano carbon fiber heating element is detachably mounted on the inner side of the sleeping bag body.

3. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: The material of the first insulating film / the second insulating film is polyimide, polyethylene, polyvinylidene fluoride, or polytetrafluoroethylene.

4. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: In step (1), in the quartz fiber / polyester fiber composite fabric, the weight proportion of quartz fiber is 20-40%; the conditions of the carbonization treatment are: 1500-1600° C., 2-3 hours.

5. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: In step (2), the metal is silver or copper.

6. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: The method for preparing the nano-carbon fiber textile fabric further includes: arranging a temperature sensor and a power line on the surface of the conductive nano-carbon fiber layer; A temperature control switch is arranged on the power line, and the power line is connected to a mobile power source, and the mobile power source is a 24V or 12V low-voltage lithium battery.

7. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: The nano-carbon fiber heating device also includes a liquid crystal display screen for timing display and temperature display.

8. The cold-proof sleeping bag with far-infrared heating function according to claim 1, characterized in that: The size of the nano-carbon fiber heating device is rectangular, with a length of 120-150 cm and a width of 40-45 cm.