KR20120065494A - Heat mat of dc-voltage using carbon-nanotube tread - Google Patents

Heat mat of dc-voltage using carbon-nanotube tread Download PDF

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Publication number
KR20120065494A
KR20120065494A KR1020100126650A KR20100126650A KR20120065494A KR 20120065494 A KR20120065494 A KR 20120065494A KR 1020100126650 A KR1020100126650 A KR 1020100126650A KR 20100126650 A KR20100126650 A KR 20100126650A KR 20120065494 A KR20120065494 A KR 20120065494A
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KR
South Korea
Prior art keywords
carbon nanotube
mat
power supply
carbon
power
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Application number
KR1020100126650A
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Korean (ko)
Inventor
김철웅
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김철웅
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Priority to KR1020100126650A priority Critical patent/KR20120065494A/en
Publication of KR20120065494A publication Critical patent/KR20120065494A/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/04—Heating means manufactured by using nanotechnology

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  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)

Abstract

PURPOSE: A heating mat of a DC power supply mode is provided to freely fold and wash a heating mat by making the heating mat thin like a general cloth since a carbon thread is used for heating instead of a copper electric wire. CONSTITUTION: A DC power supply device(11) receives an AC power source and changes it into a DC power source. The DC power supply device is composed of a primary battery or a secondary battery. An output control device(12) controls the size of the DC power source provided from the DC power source. A mat(15) distributes heat from a carbon nanotube thread(14) through a cloth(13). The carbon nanotube thread consists of a single carbon nanotube.

Description

Heat mat of DC-voltage using carbon-nanotube tread}

The present invention relates to a heating mat, using a carbon nanotube seal to remove electromagnetic waves, light and freely foldable, and relates to a DC power heating mat using a carbon nanotube seal that can be washed.

In general, the heating mat refers to a mat that installs a copper wire on a mat fabric and generates heat by applying AC power to the copper wire.

Such a conventional heating mat is manufactured by installing a thick copper wire on the fabric and laminating thick cotton and several layers of fabric so that the thick copper wire is not inconvenient to the human body. Supply.

In this case, the copper wire may be manufactured by replacing with a planar heating element such as water, copper thin film, carbon fiber, etc. In the same manner, the mat using the planar heating element uses a thick fabric so as not to protect the heating device or cause inconvenience to the human body. The power supply method is also supplied by the AC method, so there is no big difference from the mat of the copper wire method described above.

Therefore, the electric mat including the conventional heating mat is difficult to manage because the mat is thick so as not to protect the heating device or cause inconvenience to the human body, and the power supply method is always exposed to fire risk and electromagnetic waves due to the alternating current method. This problem was impossible because it was not hygienic.

The present invention is to solve the problem of the electric mat including the conventional heating mat as described above, by using a carbon seal instead of copper wire for heat, by making the heating mat thin like a general cloth to be folded or washed freely It is possible to prevent the generation of electromagnetic waves by using a direct current type power source to generate heat.

According to an aspect of the present invention for achieving the above object, a DC power supply for receiving an AC power to convert to DC power, or to provide a DC power; An output control device for adjusting the size of the DC power supplied from the DC power supply; And a mat for fixing the carbon nanotube yarn connected to the DC power supply from the DC power supply to be distributed to the fabric by stitching, and dispersing heat of the carbon nanotube yarn by the fabric. Provided is a heating mat of direct current type using carbon nanotube seal.

The carbon nanotube yarn is made of a single carbon nanotube, or Pt, Au, Ag, Cu, Cr, Ni, Al, Co, Fe, Si, SiO 2 , ITO, IGO, AGO, sulfur compound, conductive polymer Or a carbon thread made of a mixture thereof.

The carbon nanotube seal is characterized in that the thickness of 0.01 ~ 1mm.

The carbon nanotube yarn, characterized in that made of 30 to 300 strands of twisted yarn.

The carbon nanotube yarn is characterized in that the length of 0.5 ~ 50m.

The DC power supply device is characterized by consisting of a primary battery or a secondary battery.

The carbon nanotube yarn is made by a method of extracting carbon nanotubes by reacting a gaseous carbon compound containing carbon with a catalytic metal at a temperature of 500 to 1,500 ° C., and having a thickness of 0.5 to 30 nm or less. do.

According to the heating mat of the DC power supply method using the carbon nanotube seal according to the present invention, it is inefficient to use a high voltage such as 220V by coating the conventional carbon on various fibers or cotton in the form of ink and weaving it in the form of cloth. By using the carbon nanotube seal with excellent thermal conductivity, it is possible to manufacture it by simply quilting it on a thermal pad such as various cottons at regular intervals, as well as generating heat of sufficient temperature, and easily folding the heating material. It can be stored without damage, it is easy to wash, it can be used sanitarily, and by adopting a DC power supply method such as an adapter of 24V or less, it can not only significantly reduce the electric bill but also generate little harmful electromagnetic waves. can do.

1 is a block diagram showing a heating mat of the DC power supply method using a carbon nanotube seal according to an embodiment of the present invention,
Figure 2 is a perspective view showing an enlarged view of the carbon nanotube seal of the heating mat of the DC power system using a carbon nanotube seal according to an embodiment of the present invention,
3 is a view showing the effect of the heating mat of the DC power supply method using a carbon nanotube seal according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art, the following examples may be modified in various other forms, the scope of the present invention Is not limited to the following examples.

1 is a block diagram showing a heating mat of the DC power supply method using a carbon nanotube seal according to an embodiment of the present invention.

As shown in Figure 1, the heating mat of the DC power system using a carbon nanotube seal according to an embodiment of the present invention to control the size of the DC power supply of the DC power supply device 11, DC power supply device 11 It may include an output control device 12, and a mat (15) supplied with a DC power from the DC power supply (11).

The DC power supply device 11 may be formed of a primary battery or a secondary battery that receives an AC power from the outside and converts the DC power or provides a DC power. Accordingly, the DC power supply 11 converts external AC power into DC power and supplies the carbon nanotube seal 14 of the mat 15 to the carbon nanotube chamber 14, or is formed of a primary battery such as a dry battery or a secondary battery such as a storage battery. DC power can be supplied directly to the tube chamber 14.

The output control device 12 adjusts the size of the DC power supplied from the DC power supply 11, for example, voltage or current, to adjust the heating temperature of the mat 15. To this end, the output control device 12 may be provided such that the temperature control switch for controlling the strength of the DC power supplied from the DC power supply 11 to the mat 15 is exposed to the outside.

On the other hand, the DC power supply 11 and the output control device 12 has a configuration that is separated as in this embodiment, so that the output control device 12 is supplied with DC power from the DC power supply 11 to the mat 15 It can be installed on the power cable or made of a single piece to be electrically connected to the mat 15 through the power cable.

The mat 15 is fixed so that the carbon nanotube seal 14 connected to supply the DC power from the DC power supply 11 is distributed to the fabric 13 by stitching, and dissipates the heat of the carbon nanotube seal 14. To be dispersed by (13). Here, the fabric 13 may be made of a single layer or a plurality of layers of various fibers, or a heat insulating material may be provided inside.

Meanwhile, the mat 15 may be provided with an adapter (not shown) for connecting the carbon nanotube seal 14 to a power cable at one side, where the adapter (not shown) may be detachably connected to the power cable. Can be.

The mat 15 is leaked at regular intervals so that the carbon nanotube seal 14 on the fabric 13, for example, to obtain a sufficient heating effect, the carbon nanotube seal 14 is directly or via a copper wire It may be connected to the output control device 12, it may be connected to the DC power supply device 11 through the carbon nanotube seal 14 or the copper wire from the output control device 12.

As shown in FIG. 2, the carbon nanotube seal 14 of the heating mat of the DC power supply method using the carbon nanotube seal according to the embodiment of the present invention may be made of carbon nanotubes (Carbon-Nanotube: CNF). Can be.

The carbon nanotube seal 14 is a method of creating a condition in which carbon nanotubes can be generated during the cooling process after vaporizing solid carbon such as graphite, and arc discharge, laser, etc. to vaporize the solid carbon. This method is used, but the method used here is a gaseous carbon compound containing carbon such as C 2 H 2 , CH 4 , C 2 H 4 , C 2 H 6 , CO at 500 ~ 1,500 ℃ Carbon nanotubes with a thickness of less than 0.5 ~ 30nm made by extracting carbon nanotubes by reacting with catalytic metals such as Ni, Co, Fe, Si, SiO 2, etc. are used. Used as a heating material.

In addition, the carbon nanotube seal 14 may have a length of 0.5m to 50m, in which case the heat generation amount is insufficient when less than 0.5m, it may be difficult to use because the heat generation amount exceeds 50m.

Carbon nanotube seal 14 made of carbon nanotubes according to an embodiment of the present invention is a carbon nanotube monolith, or Pt, Au, Ag, Cu, Cr, Ni, Al, Co, Fe, Si, SiO 2 , ITO, IGO, AGO, sulfur compounds, conductive polymers may be made of carbon yarn made of any one or a mixture thereof.

According to the present invention, the thermal conductivity may vary depending on the thickness and the amount of the carbon nanotube seal 14. Therefore, since the thermal conductivity varies depending on the thickness and the amount of use of the carbon nanotube seal 14, the carbon nanotube seal 14 is made to have an appropriate thickness based on the data, and an appropriate amount of carbon nanotube seal 14 is used. It is important.

The thickness of the carbon nanotube seal 14 may be changed in the heating mat of the DC power supply method using the carbon nanotube seal according to the embodiment of the present invention. By varying the thickness of the carbon nanotube seal 14 to 0.01 ~ 1mm, it is possible to increase the electrical conductivity and heat generating efficiency to obtain a heating effect of thinner, lighter and more comfortable than conventional heating material. That is, in the case of a heating mat generally used, when the thickness of the carbon nanotube seal 14 is less than 0.01 mm, it is difficult to expect a heating effect for the user, and when the thickness of the carbon nanotube seal 14 exceeds 1 mm It can be uneconomical for consumption.

In addition, the carbon nanotube thread 14 may be used as a thread for quilting one strand on a mat, but may be used as a thread by making dozens to hundreds of strands, for example, 30 to 300 strands, twisted as needed. .

The operation of the heating mat of the DC power supply method using a carbon nanotube seal according to an embodiment of the present invention having such a configuration will be described.

The data shown in Table 1 below is an experimental result showing the temperature effect appearing on the mat by use time when supplying a DC current using a 24V 2.5A adapter to a DC power heating mat using a carbon nanotube seal according to the present invention. It can be seen that using a carbon nanotube seal of less than 10m and using a low voltage direct current that generates little electromagnetic waves exhibits sufficient heat generation effect.

division 20 minutes 60 minutes normally 24 ℃ 24 ℃ 10-20W (1 phase) 25 ℃ 25 ℃ 20 ~ 30W (2 levels) 27 ℃ 30 ℃ 30 ~ 40W (3 steps) 28 ℃ 40 ℃ 40-50W (4 phases) 37 ℃ 50 ℃ 50 ~ 60W (5 steps) 42 ℃ 60 ° C

In addition, all of the conventional heating mat is made of a material such as a planar heating element such as copper wire, water or copper thin film, carbon fiber, and the like, since the heat generation efficiency is relatively low when using these materials, the conventional heating mat configured as described above It is difficult to use, store and wash by stacking thick cotton and multiple layers of fabric to protect the material or to be uncomfortable to the human body. There are several problems, such as being exposed. However, the heating mat of the DC power supply method using the carbon nanotube seal according to the present invention obtains sufficient heat generating effect by using a special material called carbon nanotubes, which has better electrical conductivity than copper and has better thermal conductivity than diamond. Positive power supply, a direct current power supply, is also possible, resulting in a breakthrough in heating devices.

In addition, as shown in Figure 3, when looking at the results of the human thermal imaging experiments of the Far Infrared Association for the heating mat of the DC power system using the carbon nanotube seal according to the present invention, it can be seen that it affects the human body temperature change evenly. . That is, the upper body temperature before use is about 33 ~ 36 ℃ at 25 ℃ room temperature, the upper body temperature after using the DC power heating mat of 10 minutes using a carbon nanotube seal according to the present invention to 38 ~ 40 ℃ Far-infrared rays are transmitted evenly to the body, and the temperature of the body can be seen to increase.

In addition, according to the heating mat of the DC power supply method using the carbon nanotube seal according to the present invention, by coating the conventional carbon on various fibers or cotton in the form of ink to weave in the form of cloth to use a high voltage such as 220V By using carbon nanotube yarn 14, which is far superior to the inefficient method and has a much higher thermal conductivity, sufficient heat of 40 ° C. to 80 ° C. is simply quilted at regular intervals on a thermal pad such as various kinds of cotton. Generate. The amount of the carbon nanotube seal 14 used is sufficient to obtain the above-mentioned exothermic effect even when the amount is less than 10 meters. In other words, it is possible to make a heating mat in a simple manner by simply squeezing a small amount of carbon nanotube thread 14 on a thin mat made of a cotton-like material that maintains warmth, and other heating sheet, heating clothing, heating sheet, It can be applied to various places such as heating wallpaper, heating sleeping bag, heating tent, heating shoes, heating gloves, heating insulation bag, heating insulation box, heating thermos, etc. It is convenient to use, store and wash and supply DC power such as adapter under 24V. By choosing the method, the electricity cost is significantly reduced, and the electromagnetic wave is rarely generated. For example, in the case of the existing carbon coated fiber, if the electricity bill of 5,000 won per month used for 8 hours a day, the carbon nanotube yarn heating mat consumes only about 1,000 electricity per month for the same time.

As described above, the present invention has been described with reference to the accompanying drawings, but various modifications and changes can be made without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the following claims.

11: DC power supply device 12: output control device
13: Fabric 14: carbon nanotube thread
15: Mat

Claims (7)

A DC power supply which receives AC power and converts the power into DC power or provides DC power;
An output control device for adjusting the size of the DC power supplied from the DC power supply; And
The mat is fixed so that the carbon nanotube thread connected to the DC power supply from the DC power supply is distributed to the fabric by the stitching, and the heat of the carbon nanotube thread is dispersed by the fabric
Heat generating mat of the DC power system using a carbon nanotube seal, characterized in that it comprises a.
The method of claim 1, wherein the carbon nanotube yarn,
Made of carbon nanotube monolith or made of Pt, Au, Ag, Cu, Cr, Ni, Al, Co, Fe, Si, SiO 2 , ITO, IGO, AGO, sulfur compounds, conductive polymers or mixtures thereof Heat generating mat of the DC power supply method using a carbon nanotube seal, characterized in that made of a losing carbon seal.
The method of claim 2, wherein the carbon nanotube yarn,
Heat generating mat of the DC power supply method using a carbon nanotube seal, characterized in that the thickness of 0.01 ~ 1mm.
The method of claim 3, wherein the carbon nanotube yarn,
DC-type heating mat using a carbon nanotube thread, characterized in that made of 30 ~ 300 strands twisted.
The method of claim 4, wherein the carbon nanotube yarn,
Heat generating mat of the DC power system using a carbon nanotube seal, characterized in that the length is 0.5 ~ 50m.
The method of claim 1, wherein the DC power supply device,
DC heating type heating mat using a carbon nanotube seal, characterized in that consisting of a primary battery or a secondary battery.
The method of claim 1, wherein the carbon nanotube yarn,
Carbon nanotubes are made by reacting a gaseous carbon compound containing carbon with a catalytic metal at a temperature of 500 to 1,500 ° C. to extract carbon nanotubes and having a thickness of 0.5 to 30 nm or less. DC heating type heating mat.
KR1020100126650A 2010-12-13 2010-12-13 Heat mat of dc-voltage using carbon-nanotube tread KR20120065494A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015009182A1 (en) 2013-07-16 2015-01-22 Wrocławskie Centrum Badań Eit+ Sp. Z O.O. Method for preparing polymer composites comprising modified carbon nanotubes, polymer composite comprising modified carbon nanotubes and use of same
KR20160129798A (en) 2013-12-19 2016-11-09 주식회사 그린탑 Heating materials and source line coupling structure of heating products for carbon fiber
KR20240007870A (en) 2022-07-10 2024-01-17 유수영 Fire safety carbon heating mat

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015009182A1 (en) 2013-07-16 2015-01-22 Wrocławskie Centrum Badań Eit+ Sp. Z O.O. Method for preparing polymer composites comprising modified carbon nanotubes, polymer composite comprising modified carbon nanotubes and use of same
KR20160129798A (en) 2013-12-19 2016-11-09 주식회사 그린탑 Heating materials and source line coupling structure of heating products for carbon fiber
KR20240007870A (en) 2022-07-10 2024-01-17 유수영 Fire safety carbon heating mat

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