Military cotton quilt based on carbon nanofiber textile material

Abstract

The embodiment of the invention discloses a military cotton quilt based on a carbon nanofiber textile material. The military cotton quilt comprises a military cotton quilt 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 military quilt based on nano-carbon fiber textile material. Background Art

[0002] With the continuous development of world military and science and technology, the reality of modern warfare requiring soldiers to survive longer without support and complete more combat missions has become increasingly prominent; on the other hand, due to climate change and the destruction of the earth's ecological environment, the global climate has also undergone tremendous changes, which has directly led to a significant increase in the frequency of extreme weather disasters, thus posing more threats to human life and safety. Nowadays, whether it is large-scale garrisons in cold areas or scientific expeditions in polar regions, the importance of cold protection and warmth has become increasingly high; similarly, for manpower on the battlefield, how to better ensure that their bodies do not lose combat effectiveness due to low temperatures is also one of the most important issues. However, there is currently no cold protection and warmth measure that can provide an efficient heat source, avoid the use of hazardous energy, reduce environmental pollution, and is also portable.

[0003] There are many high-altitude cold areas in my country, especially in winter, and the border troops on the plateau. The living and working conditions of the soldiers are still difficult. Their way of keeping warm is still to use firewood, coal, oil and other materials to make fires for heating, which has many inconveniences. For example: the transportation and storage of raw materials, the difficulty of controlling time and temperature during use, and the potential safety hazards. In order to meet the needs of modern warfare, a heating equipment that is easy to carry, saves time, is simple to operate, and is safe and convenient to use is studied, which can effectively improve combat effectiveness, reduce frostbite of soldiers, and protect life safety. Summary of the invention

[0004] To this end, an embodiment of the present invention provides a military quilt based on nano-carbon fiber textile material.

[0005] In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:

[0006] A military quilt based on nano-carbon fiber textile material, the military quilt comprises a military quilt 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:

[0007] (1) carbonizing the quartz fiber / polyester fiber composite fabric to obtain a nanocarbon fiber layer;

[0008] (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.

[0009] In some preferred embodiments, the nano-carbon fiber heating element is detachably installed inside the military quilt body.

[0010] In some preferred embodiments, the material of the first insulating film / the second insulating film is polyimide, polyethylene, polyvinylidene fluoride, or polytetrafluoroethylene.

[0011] 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.

[0012] In some preferred embodiments, in step (2), the metal is silver or copper.

[0013] 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;

[0014] 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.

[0015] In some preferred embodiments, the nano-carbon fiber heating device further includes a liquid crystal display screen for timing display and temperature display.

[0016] 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.

[0017] The present invention adopts a new type of nano-carbon fiber textile material, utilizes a new low-voltage and high-temperature technology, and combines a 24V or 12V low-voltage lithium battery to meet the various needs of individual soldiers for cold protection and heating. The embodiments of the present invention have the following advantages:

[0018] 1. Easy to carry, light and comfortable. Nano carbon fiber textile fabric weighs 60-100 grams per square meter and is 0.3-0.5mm thick. Each military quilt only takes about 1 square meter.

[0019] 2. High heating efficiency. Nano carbon fiber textile fabrics generate far-infrared light waves when powered on, with an electric heat conversion rate of 100%.

[0020] 3. Uniform heating. Cut the nano carbon fiber textile fabric into 50cm*50cm and conduct a 16-point temperature uniformity test. The average temperature difference of the test results does not exceed 3℃, which meets the national standard.

[0021] 4. Simple operation and precise temperature control. The switch starts with one button, and the LCD displays the temperature and time. It has a timing function and a temperature sensor. The temperature ranges from 1°C to 59°C and can be precisely controlled to 1°C.

[0022] 5. Fast heating and cooling speed. A heating and cooling test was conducted on a 30cm*30cm nano-carbon fiber textile fabric. Under the condition of 12V voltage, the temperature rose from 24℃ at room temperature to 200℃ in 1-3 seconds after power was turned on; when the power was turned off, the temperature dropped from 200℃ to about 24℃ at room temperature in 5-10 seconds.

[0023] 6. Safe and convenient. It uses 24V or 12V lithium battery as a mobile power source, which is small in size, easy to carry, simple and safe to use. It can also be used as a backup power source for other communication equipment, and adopts a variety of national standard interface designs. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1

[0026] 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:

[0027] (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;

[0028] (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;

[0029] (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.

[0030] Example 2

[0031] 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:

[0032] (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;

[0033] (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;

[0034] (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.

[0035] Example 3

[0036] 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, and the second polyethylene film has a thickness of 2 mm. The preparation method of the nano-carbon fiber textile fabric comprises the following steps:

[0037] (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;

[0038] (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 400 nm;

[0039] (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.

[0040] Test Case

[0041] 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.

[0042] Table 1

[0043] index Example 1 Example 2 Example 3 Temperature difference / ℃ 2.5 2.8 2.2

[0044] 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.

[0045] Table 2

[0046]

[0047] 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.

[0048] Table 3

[0049] index Example 1 Example 2 Example 3 Electric heat conversion rate 95％ 100％ 90％

[0050] Example 4

[0051] This embodiment provides a military quilt, which includes a military quilt body and a nano-carbon fiber heating device.

[0052] The preparation method thereof comprises the following steps:

[0053] 1.1 Material selection: Select fresh cotton with white color, moderate fiber length and low impurity content as raw material.

[0054] 1.2 Cleaning and deseeding: Cotton needs to be cleaned before use to remove impurities and cotton seeds.

[0055] 1.3 Combing: The cotton is combed into parallel cotton fibers through a carding machine to remove short fibers and impurities to make the cotton wool uniform.

[0056] 1.4 Opening: Further loosen the combed cotton fibers to make them fluffy for subsequent processing.

[0057] 1.5 Spray glue or mesh cloth: To prevent the cotton batting from moving during sewing, spray a proper amount of glue on the cotton batting or lay a mesh cloth as the bottom layer.

[0058] 1.6 Laying the cotton wool: Spread the loosened cotton wool evenly on the fabric and adjust it according to the required thickness and size.

[0059] 1.7 Sewing: Use a special quilt cover and sew according to the pre-designed pattern to ensure that the cotton wool does not move inside the quilt cover to obtain the military quilt body.

[0060] 1.8 Composite: Use Velcro to attach any of the carbon nanofiber heating devices in Examples 1-3 to the inner side of the prepared military quilt body to make a military quilt.

[0061] 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 military quilt based on nano-carbon fiber textile material, characterized in that: The military quilt comprises a military quilt 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 is as follows: (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 military quilt based on nano-carbon fiber textile material according to claim 1, characterized in that: The nano carbon fiber heating element is detachably mounted on the inner side of the military quilt body.

3. The military quilt based on nano-carbon fiber textile material 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 military quilt based on nano-carbon fiber textile material 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 military quilt based on nano-carbon fiber textile material according to claim 1, characterized in that: In step (2), the metal is silver or copper.

6. The military quilt based on nano-carbon fiber textile material 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; The power line is provided with a temperature control switch, and the power line is connected to a mobile power source, and the mobile power source uses a 24V or 12V low-voltage lithium battery.

7. The military quilt based on nano-carbon fiber textile material 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 military quilt based on nano-carbon fiber textile material 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.

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