WO2023051064A1 - 一种新型电热毯 - Google Patents

一种新型电热毯 Download PDF

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Publication number
WO2023051064A1
WO2023051064A1 PCT/CN2022/112774 CN2022112774W WO2023051064A1 WO 2023051064 A1 WO2023051064 A1 WO 2023051064A1 CN 2022112774 W CN2022112774 W CN 2022112774W WO 2023051064 A1 WO2023051064 A1 WO 2023051064A1
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Prior art keywords
electric blanket
aramid
electric
yarns
wire
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PCT/CN2022/112774
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English (en)
French (fr)
Inventor
卞广山
周为为
卞希特
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卞广山
周为为
卞希特
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Publication of WO2023051064A1 publication Critical patent/WO2023051064A1/zh

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02Bed linen; Blankets; Counterpanes
    • A47G9/0207Blankets; Duvets
    • A47G9/0215Blankets; Duvets with cooling or heating means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/10Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12Heating 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
    • H05B3/14Heating 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
    • H05B3/145Carbon only, e.g. carbon black, graphite
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • H05B3/345Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles knitted fabrics
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/36Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material

Definitions

  • the invention relates to an electric heating blanket, especially a new type of electric heating blanket, which is characterized in that the electric heating blanket body does not contain metal wires.
  • Electric heating cloth of prior art [US Patent: Electric heating Cloth having gaps and connection structure thereof
  • Authorized Patent No.: US11091856] discloses an electric heating cloth with gaps and its connection structure, the patent structure is that the electric heating cloth with gaps includes a plurality of conductive yarns arranged in the first direction and a plurality of textile yarns and a plurality of metal conductive filaments aligned in a second direction for interweaving with the plurality of conductive yarns.
  • the electric heating cloth with gaps is interwoven with a plurality of textile yarns and a plurality of metal conductive wires arranged in the second direction, as the metal wire for conducting current, it is often stretched and folded during the use of the electric heating cloth, which is very easy to cause Fracture, so contact ignition occurs to cause burning, and a fire phenomenon occurs.
  • the present invention aims to solve the above-mentioned deficiencies in the prior art.
  • the present invention is a new type of electric heating blanket.
  • the electric heating blanket woven by aramid yarn through the loom, because the electric blanket body does not contain metal material wires, it can eliminate contact ignition caused by stretching, folding, and breaking of the electric blanket during use. And cause combustion, a fire phenomenon.
  • a new type of electric blanket including the electric blanket body that can conduct electricity and generate heat by weaving yarns, warp yarns, and weft yarns through a loom, a commercial wire, a voltage converter, and a 24-volt voltage Wires, temperature controllers, wires, temperature-measuring head wires, buckles and temperature-measuring heads, the conductive yarns that form the conductors in the warp direction of the electric blanket body through the loom, and the heat generating elements that are interwoven in the weft direction to form the heating body
  • the yarns are all non-metallic yarns.
  • a novel electric blanket of the present invention has a voltage of 24 volts, which meets the international safety voltage;
  • the present invention uses non-metallic materials to replace the metal wire used in the existing electric heating cloth manufacturing technology (described above) as the conductive material, which can completely eliminate the contact ignition caused by the breakage of the metal wire in the existing electric heating cloth manufacturing technology, causing combustion , a fire phenomenon occurs;
  • the electric blanket body of the present invention does not contain metal wire material, it can be thoroughly hand-washed and washed by washing machine;
  • a new type of electric blanket of the present invention will never cause injury due to electric shock and will never cause contact ignition, burning, and fire phenomenon caused by stretching, folding, and breaking of the electric blanket during use.
  • Figure 1 is a connection circuit diagram of the electric blanket.
  • Fig. 2 is a schematic front view and side view of the structure of the electric blanket.
  • Figure 3 is a schematic diagram of the temperature measuring head and the wires of the temperature measuring head.
  • Fig. 4 is a perspective view of the electric blanket.
  • Graphene aramid weft heating yarn 11 and aramid/MXene warp direction conductive yarn 10 are woven by a loom to form the main body of the conductive heating circuit, and conduct heat under a certain voltage, graphene aramid weft heating
  • the yarn 11 and the aramid/MXene warp conductive yarn 10 are connected by common aramid yarn 12 to form a complete electric blanket.
  • Graphene aramid weft heating yarns 11 are embedded and woven in the weft direction of the electric blanket at certain intervals, such as 11 in FIG. 1 .
  • Aramid/MXene warp direction conductive yarn 10 is embedded and woven on both sides of the electric blanket along the warp direction, as shown by 10 in FIG. 1 .
  • a new type of electric blanket includes: the electric blanket body 1 is connected to the input terminal of the voltage converter 3 ([110 volts ⁇ 220 volts] to 24 volts) with a mains wire 2, and the voltage is converted to 24 volts.
  • the output end of the converter 3 is connected with a wire 4 with a 24 volt voltage, connected to the temperature controller 5, and the output end of the temperature controller 5 is connected to two wires 6 with a positive and negative 24 volt voltage, and connected to the aramid fiber/MXene through the guide
  • the positive pole and the negative pole of the electric yarn 10 are connected to the temperature measuring head wire 7 by the output end of the temperature controller 5, and the temperature measuring head wire 7 is respectively connected to the buckle 8, and the buckle 8 is connected to the temperature measuring head 9.
  • the conduction harness is composed of multiple aramid/MXene conductive yarns, and the conduction harness is wrapped with an insulating and heat-insulating sheath, which is mainly used to conduct the temperature signal of the temperature measuring head, as shown in circle 7 in Figure 3.
  • MXene is a two-dimensional material, a new material developed by Drexel University in the United States. There are hydroxyl groups on the surface of the material, and they have the metal conductivity of transition metal carbides. Its conductivity is very strong, and it can completely replace wires. copper and aluminum metals.
  • the aramid/MXene composite yarn with strong non-metallic conductivity is prepared by combining the properties of MXene material and aramid fiber, and it is used in the manufacture of electric blanket warp weaving materials to replace the existing electric blanket manufacturing technology. As a warp-woven material, it can eliminate the phenomenon of contact ignition, burning and fire caused by the breakage of metal wires.
  • Aramid fiber is a kind of flexible polymer material with soft hand feeling, good spinnability, excellent flame retardancy and heat resistance, and no harm to human health and environment. Its flame retardancy is determined by its chemical structure. Therefore, it is a kind of permanent flame-retardant fiber, which will not reduce the flame retardancy due to long-term use and frequent washing, and has the advantages of being able to be used continuously at 205°C.
  • aramid fiber/MXene composite conductive fiber Extrude the aramid fiber/MXene composite spinning slurry through a spinneret and a spinneret hole, draw and wind after cooling in a water tank, and finally obtain an aramid/MXene conductive yarn .
  • the above-mentioned aramid/MXene conductive yarn has excellent electrical conductivity, temperature resistance, stretching and folding resistance, can be washed and spun, has permanent flame retardancy, and can meet the use of warp-oriented conductive yarns in electric blankets.
  • Graphene is a new material. It has the advantages of light weight, ultra-thin, flexibility, spinnability, excellent thermal conductivity, electrical conductivity, and low resistivity. However, graphene materials are used in the manufacture of electric blankets because of their low strength. High, repeated stretching and folding cannot be guaranteed.
  • the material can be used in the manufacture of electric blankets, it can be used in the manufacture of electric blankets by compounding p-aramid fiber and graphene. (Aramid fiber has been described above, so I won't repeat it here)
  • the upper and lower surfaces of the electric blanket body 1 are provided with polyester insulating and heat-conducting films 13 for insulation and heat conduction;

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Surface Heating Bodies (AREA)
  • Woven Fabrics (AREA)

Abstract

本发明一种新型电热毯,电压是24伏,符合国际安全电压,本发明使用非金属材料取代了现有电热毯制造技术中用金属丝作为导电材料,能彻底消除现有电热毯制造技术因金属丝断裂而发生接触性打火,引起燃烧,发生火灾现象,因本发明电热毯本体不含有金属导线材料所以彻底能做到手洗和洗衣机洗,所以本发明一种新型电热毯将永远不会发生因触电造成伤害也永远不会发生电热毯在使用中因拉伸、折叠、断裂造成接触性打火、燃烧、发生火灾现象。

Description

一种新型电热毯 技术领域
本发明涉及一种电热毯,特别是一种新型电热毯,其特征是电热毯本体不含有金属材料导线。
背景技术
现有技术的电热布[美国专利:Electric heating cloth having gaps and connection structure thereof授权专利号:US11091856]中公开了一种具有间隙的电加热布及其连接结构,该专利结构是具有间隙的电加热布包括以第一方向排列多根导电纱线和在第二方向上排列的多根纺织纱线和多根金属导电丝,用于与所述多根导电纱线交织。
技术问题
上述现有技术有以下不足:
因具有间隙的电加热布在第二方向上排列的多根纺织纱线和多根金属导电丝相交织,作为传导电流的金属丝,在电加热布使用中经常受到拉伸、折叠非常容易造成断裂,因此发生接触性打火而引起燃烧,发生火灾现象。
技术解决方案
本发明所要解决上述现有技术不足,本发明一种新型电热毯,其电热毯本体不含有金属材料导线,由非金属石墨烯芳纶发热纱线和非金属芳纶/MXene导电纱线及普通芳纶纱线经织布机编织而成的能导电发热的电热毯,因电热毯本体不含有金属材料导线,所以能消除电热毯在使用中因拉伸、折叠、断裂造成接触性打火,而引起燃烧,发生火灾现象。
一种新型电热毯,包括由纱线、经向纱线、纬向纱线通过织布机编织而成能导电、发热的电热毯本体、带市电导线、电压转换器、带有24伏电压导线、温度控制器、导线、测温头导线、卡扣和测温头,通过织布机嵌织在电热毯本体的经向组成导电体的导电纱线和交织在纬向组成发热体的发热纱线全是非金属纱线。
有益效果
①本发明一种新型电热毯,电压是24伏,符合国际安全电压;
②本发明使用非金属材料取代了现有电热布制造技术(前文已述)中用金属丝作为导电材料,能彻底消除现有电热布制造技术因金属丝断裂而发生接触性打火,引起燃烧,发生火灾现象;
③因本发明电热毯本体不含有金属导线材料所以彻底能做到手洗和洗衣机洗;
所以本发明一种新型电热毯将永远不会发生因触电造成伤害也永远不会发生电热毯在使用中因拉伸、折叠、断裂造成接触性打火、燃烧、发生火灾现象。
附图说明
图1是电热毯连接线路图。
图2是电热毯结构示意正视、侧视图。
图3是测温头,测温头导线示意图。
图4是电热毯立体示意图。
本发明的最佳实施方式
下面结合附图对本发明做进一步的详细说明。
石墨烯芳纶纬向发热纱线11与芳纶/MXene经向导电纱线10,经织布机编织构成导电发热电路的主体,并在一定电压作用下导电发热,石墨烯芳纶纬向发热纱线11和芳纶/MXene经向导电纱线10之间由普通芳纶纱线12连接构成完整电热毯。
石墨烯芳纶纬向发热纱线11以一定的间隔嵌织在电热毯的纬向,如图1中11。
芳纶/MXene经向导电纱线10沿经向嵌织在电热毯的两边,如图1中10。
如图1所示,一种新型电热毯包括:电热毯本体1由带有市电导线2连接电压转换器3的输入端([110伏电压~220伏电压]转24伏电压),由电压转换器3的输出端连接带有24伏电压导线4,连接温度控制器5,由温度控制器5上输出端连接两根正、负极24伏电压的导线6,并且连接芳纶/MXene经向导电纱线10的正极、负极,再由温度控制器5上输出端连接测温头导线7,测温头导线7分别连接卡扣8,由卡扣8连接测温头9。
石墨烯芳纶纬向发热体:
由多根石墨烯芳纶发热纱线经织布机在电热毯纬向编织构成,具有发热功能 ,如图1中11。
芳纶/MXene经向导电体:
由多根芳纶/MXene导电纱线经织布机在电热毯经向编织构成,具有导电作用,如图1中10。
测温头导线:
由多根芳纶/MXene导电纱线组成传导束线,传导束线外面包裹绝缘隔热外套皮,主要用来传导测温头温度信号,如图3圆圈7。
测温头卡扣:
用于连接测温头与测温导线如图3中圆圈8。
电压转换器:
主要是[110伏电压~220伏电压]转换成24伏电压。
温度控制器:
主要是控制电热毯在40℃~65℃之间调节。
电热毯芳纶/MXene经向导电纱线:
MXene是一种二维材料,是美国德雷塞尔大学研究出的新材料,该材料表面有羟基,它们有着过渡金属碳化物的金属导电性,它的导电性能很强,完全可以替代电线中的铜金属和铝金属。
利用MXene材料性能与芳纶纤维复合制备出具有非金属导电性很强的芳纶/MXene复合纱线并用在制造电热毯经向编织材料上,来取代现有电热毯制造技术中,用金属丝线作为经向编织材料,以消除因金属丝线断裂而引发接触性打火、燃烧,发生火灾现象。
芳纶纤维是一种柔性高分子材料,手感柔软,可纺性好,具有优异的阻燃性、耐热性,对人体健康及环境无危害,其阻燃性是自身化学结构所决定的,因而是一种永久性阻燃纤维,不会因使用时间长久和洗涤次数多而降低阻燃性,具有能在205℃条件下可连续使用等优点。
制备芳纶纤维溶液:
1.将芳纶短切纤维与DMSO(二甲基亚砜也叫万能溶剂)混合得到芳纶纤维溶液;
2.制备MXene/DMSO纺丝液;
3.制备芳纶纤维/MXene复合纺丝液:将MXene/DMSO与芳纶纤维溶液混合;
4. 制备芳纶纤维/MXene复合导电纤维:将芳纶纤维/MXene复合纺丝浆液经喷丝机、喷丝孔挤出,经水槽冷却后拉丝、收卷最后获得芳纶/MXene导电纱线。
上述芳纶/MXene导电纱线具有优异的导电性、耐温性,抗拉伸折叠,可洗涤,可纺织,具有永久阻燃性,可满足在电热毯中经向导电纱线的使用。
电热毯石墨烯芳纶纬向发热纱线:
石墨烯是新材料,它具有轻质、超薄、柔韧、可纺织性及优异的导热、导电性,电阻率小等优点,但石墨烯材料在电热毯制造中使用,因其材料自身强度不高,无法保证反复拉伸、折叠。
为解决该材料能在电热毯制造中使用,可通过对芳纶纤维与石墨烯复合,使其满足在电热毯制造中使用。(芳纶纤维已在前文叙述,在此不再赘述)
制备石墨烯芳纶发热纱线:
把质量百分数为3~5%片状石墨烯溶于N-甲基吡咯烷酮溶液中,再加入植酸搅拌,然后把芳纶浆粕加入继续搅拌后获得石墨烯芳纶浆料,将石墨烯芳纶浆料经湿法纺丝工艺获得石墨烯芳纶发热纱线,用于电热毯制造纬向发热纱线。
电热毯本体1的上下两个面均设置聚酯绝缘导热膜13用于绝缘导热;电热毯本体1的外侧套设有外罩14。
以上对本专利及其实施方式进行了描述,这种描述没有限制性,附图中所示也只是本专利的实施方式之一,实际结构并不局限于此。

Claims (1)

  1. 一种新型电热毯,包括由纱线、经向纱线、纬向纱线通过织布机编织而成能导电、发热的电热毯本体(1)、带市电导线(2)、电压转换器(3)、带有24伏电压导线(4)、温度控制器(5)、导线(6)、测温头导线(7)、卡扣(8)和测温头(9),其特征在于:通过织布机嵌织在电热毯本体(1)的经向组成导电体的导电纱线(10)和交织在纬向组成发热体的发热纱线(11)全是非金属纱线。
PCT/CN2022/112774 2021-09-04 2022-08-16 一种新型电热毯 WO2023051064A1 (zh)

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