U.S. patent application number 12/853565 was filed with the patent office on 2011-03-03 for conductive yarn and cloth containing the same.
Invention is credited to CHI-HSUEH RICHARD.
Application Number | 20110047957 12/853565 |
Document ID | / |
Family ID | 43622805 |
Filed Date | 2011-03-03 |
United States Patent
Application |
20110047957 |
Kind Code |
A1 |
RICHARD; CHI-HSUEH |
March 3, 2011 |
CONDUCTIVE YARN AND CLOTH CONTAINING THE SAME
Abstract
A conductive yarn and a cloth containing the same are revealed.
A plurality of fibers is wound with a heating element in a spiral
form so as to form a yarn with electrical conductivity and
flexibility. The conductive yarn is used as a thread in a first
direction while regular yarns with conductive metal wires arranged
at the two sides thereof are used as threads in a second direction.
Thus the threads are woven into a cloth that generates heat while
being conducted with electricity. Thereby the cloth can be made
into mattress, curtains, textile wall coverings, oversleeves, knee
braces, waist supports, foot pads, seat cushions, and carpets etc
so as to replace various heating equipment.
Inventors: |
RICHARD; CHI-HSUEH; (SAN
JOSE, CA) |
Family ID: |
43622805 |
Appl. No.: |
12/853565 |
Filed: |
August 10, 2010 |
Related U.S. Patent Documents
|
|
|
|
|
|
Application
Number |
Filing Date |
Patent Number |
|
|
61275127 |
Aug 25, 2009 |
|
|
|
Current U.S.
Class: |
57/236 ;
57/1R |
Current CPC
Class: |
D03D 15/00 20130101;
D10B 2503/02 20130101; H05B 2203/017 20130101; D10B 2503/06
20130101; D02G 3/441 20130101; D10B 2503/04 20130101; D10B 2401/14
20130101; D10B 2101/20 20130101; D10B 2401/16 20130101; D10B
2505/08 20130101; D03D 15/47 20210101; H05B 2203/026 20130101; H05B
2203/033 20130101; H05B 2203/015 20130101; H05B 3/347 20130101 |
Class at
Publication: |
57/236 ;
57/1.R |
International
Class: |
D07B 1/06 20060101
D07B001/06; D01H 13/00 20060101 D01H013/00 |
Claims
1. A conductive yarn comprising: a yarn having a plurality of
fibers; and a heating element wound around the yarn in a spiral
form so as to make the yarn have electrical conductivity.
2. The device as claimed in claim 1, wherein the heating element is
tungsten alloy microfilament whose diameter ranges from 0.02 m/m to
0.08 m/m.
3. The device as claimed in claim 1, wherein the heating element
wound around the yarn in a spiral form is wound at about 70 to 125
coils per centimeter of the yarn.
4. A cloth containing conductive yarns comprising: at least one
conductive yarn used as a thread in a first direction; at least one
yarn having a plurality of fibers used as a thread in a second
direction, limited around a middle part of the cloth, and
interlaced with the conductive yarn in the first direction; at
least one conductive metal wire used as a thread in a second
direction, arranged at the two sides of the yarn on the middle part
of the cloth and passed across the conductive yarn in the first
direction so as to form a conductive path.
5. The device as claimed in claim 4, wherein the conductive metal
wire is fine copper wire or fine silver wire whose diameter ranges
from 0.05 to 0.12 m/m.
6. The device as claimed in claim 4, wherein a yarn of the
conductive yarn in the first direction and the yarn in the second
direction are blended with yarns of various colors so as to
increase colors and patterns of the cloth.
7. The device as claimed in claim 4, wherein the conductive metal
wire on two sides of the second direction is connected to a power
supply unit that supplies 0-24 Volts low direct current (DC) while
temperature of the cloth is able to be fine tuned and the
temperature as well as heating time of the cloth can be set.
8. The device as claimed in claim 4, wherein the cloth is able to
be cut, connected in parallel/series and conducted with electricity
for giving heat.
Description
[0001] This invention is filed by claiming a priority from an U.S.
provisional application with a Ser. No. 61/275,127, filed on 25
Aug. 2009.
BACKGROUND OF THE INVENTION
[0002] 1. Fields of the invention
[0003] The present invention relates to a conductive yarn and a
cloth containing the same, especially to a cloth formed by woven
yarns coiled around by heating elements for providing heat. The
cloth is made into various objects that provide heat and against
the cold so as to replace heating equipment.
[0004] 2. Descriptions of Related Art
[0005] Most of conventional heating equipment such as heaters
generates heat by electricity or gas. Then warm air is directed to
each corner of a room by each vent. One of the features of hot or
worm air is that the light warm air rises within a certain space in
the beginning of heating. It takes large amount of electricity and
time to make the temperature of the air in the space increase to a
certain degree evenly. Moreover, the air in the space is drier,
accompanying with thundering noises due to blowing and flowing of
hot air.
[0006] Thus there is a need to provide a novel conductive yarn and
a cloth containing the same that overcome the above shortcomings
and have more practical value.
SUMMARY OF THE INVENTION
[0007] Therefore it is a primary object of the present invention to
provide a conductive yarn and a cloth containing the same that
overcomes shortcomings of heaters available now such as high energy
consumption and energy loss. A cloth that gives heat is formed by
woven yarns coiled around by heating elements. The cloth is made
into various objects that keep warm so as to replace conventional
heaters.
[0008] In order to achieve the above object, a conductive yarn
according to the present invention is formed by a plurality of
fibers whose outer surface is wound with a heating element
helically. Thus a yarn with electrical conductivity and flexibility
is produced.
[0009] Moreover, a cloth containing conductive yarns consists of
threads arranged in different directions. The above conductive
yarns are used as threads in a first direction while regular yarns
with conductive metal wires arranged at the two sides thereof are
used as threads in a second direction. The threads are woven to
produce a cloth that gives heat while being conducted with
electricity. The cloth can be made into mattress, curtains, textile
wall coverings, oversleeves, knee braces, waist supports, foot
pads, seat cushions, and carpets etc so as to replace various
heating equipment.
BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The structure and the technical means adopted by the present
invention to achieve the above and other objects can be best
understood by referring to the following detailed description of
the preferred embodiments and the accompanying drawings,
wherein
[0011] FIG. 1 is a perspective view of an embodiment of a
conductive yarn according to the present invention;
[0012] FIG. 2 is a schematic drawing showing a perspective view of
a woven cloth according to the present invention;
[0013] FIG. 3 is a is a schematic drawing showing a plan view of a
woven cloth according to the present invention;
[0014] FIG. 4 is a schematic drawing showing a knee brace as an
application of a cloth according to the present invention;
[0015] FIG. 5 is a schematic drawing showing a carpet as an
application of a cloth according to the present invention;
[0016] FIG. 6 is a schematic drawing showing a curtain as an
application of a cloth according to the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0017] Refer to FIG. 1, a conductive yarn 1 according to the
present invention mainly includes a yarn 11 and a heating element
12. The yarn 11 is formed by a plurality of fibers 111 and the
heating element 12 coiled around an outer surface of the yarn 11 in
a spiral form so as to make the yarn 11 have electrical
conductivity.
[0018] Refer to FIG. 2 and FIG. 3, a cloth 2 containing conductive
yarns consists of: at least one conductive yarn 1, at least one
yarn 11 and at least one conductive metal wire 21. The conductive
yarn 1 is used as a thread in a first direction. The yarn 11 formed
by a plurality of fibers is used as a thread in a second direction,
limited around a middle part of the cloth, and interlaced with the
thread in the first direction. The conductive metal wire 21 is used
as a thread in a second direction, arranged at the two sides of the
yarn 11 on the middle part of the cloth and passed across the
thread in the first direction so as to form a conductive path.
[0019] Back to FIG. 1, the fibers 111 made of various textile
materials are used as cores of the yarn 11 to be evenly coiled
around by the heating element 12 so as to form a spiral conductive
yarn 1. The heating element 12 is made from tungsten alloy
microfilament. In production of the conductive yarn 1, the winding
processes are run by a machine. The yarn 11 formed by fibers 111 is
set on a yarn winding machine as a core and the heating element 12
is wound around the surface of the yarn 11 in a spiral way so as to
form the spiral conductive yarn 1. After being applied with
voltage, the conductive yarn 1 provides uniform heat and having
good stretchability as well as flexibility.
[0020] Refer to FIG. 2 and FIG. 3, while manufacturing plain or
blended fabric, the conductive yarn 1 is used as a weft yarn while
the warp yarn can be a regular yarn with different colors. Thus
various types of clothes and carpets are manufactured by the weft
yarns and warp yarns interlaced with each other. The clothes and
carpets with good softness can generate heat and can be processed
such as brocaded, dyed and printed. Moreover, the conductive yarn 1
is produced into threads with different diameters for a wide range
of applications. For example, a finer conductive yarn 1 can be made
into regular fabric, bed sheets and various kinds of health heating
cloth for keeping warm, as shown in FIG. 4. A thicker conductive
yarn 1 and a roving yarn are woven to produce various kinds of
electro heating blankets and carpets, as shown in FIG. 5.
[0021] Refer from FIG. 1 to FIG. 6, how the conductive yarn and the
cloth containing the same according to the present invention
generate heat and their functions are described in details.
[0022] While producing or weaving various fabrics, the conductive
yarn 1 that includes the yarn 11 having a plurality of fibers 111
and coiled around by the heating element 12 is disposed on the
first (weft) direction.
[0023] The plurality of conductive metal wires 21 on two sides of
the of the yarn 11 are used as conductive yarns on the second
(warp) direction while the yarns 11 on the middle part of the cloth
2 are all regular yarns 11. The conductive metal wires 21 can be
fine copper wires or silver wires. Thus the yarns 11 on the second
(warp) direction of different colors, the heating elements 12 wound
around the surface of the conductive yarns 1, and the conductive
metal (fine copper wire or silver wire) wires 21 on two sides of
the cloth 2 are woven and interlaced with one another in the warp
and weft directions so as to form a conductive path. A power supply
unit 3 provides alternating current (AC) or direct current (DC)
power, OV-24V, to the conductive metal wire 21 disposed on the two
edges of the cloth 2 while the voltage (V), current (A),
temperature (T), and time are fine tuned by a computer. The cloth 2
provides the temperature desired ranging from 0 degrees Celsius
(.degree. C.) to 85.degree. C. Thus a required uniform temperature
is generated among yarns of the whole cloth 2. Due to low DC used,
there is no risk of electric shock.
[0024] In use, a fixed or moveable carpet is placed on the ground
indoors for providing warmth. Within the same unit area, each small
unit in the plane gives uniform heat. Thus there is no need to
deliver hot air by blowers because heat rises. The heat from
electric carpets produced by cloth containing conductive yarns of
the present invention rises from the floor or the bottom of the
carpet to each corner of the space naturally until the temperature
is increased to a given value. Therefore, there is no dryness,
noises or other uncomfortable feelings caused by hot air.
[0025] Moreover, the cloth 2 containing the conductive yarn can be
cut in the second (warp) direction. The cutting length/size is
determined according to users' requirements. Therefore, after the
conductive metal wire 21 disposed on two edges of the cloth 2 being
connected in parallel/series and conducted with electricity,
another piece of cloth 2 that gives off heat is formed and applied
to our daily lives for providing warmth.
[0026] Compared with the devices available now, the present
invention has following advantages: [0027] 1. In the present
invention, various types of yarns are used as cores that prevents
heating elements such as spiral tungsten alloy microfilament from
being broken. Thus the conductive yarn and a cloth containing the
same are with flexibility and stretchability. [0028] 2. When the
heating element is conducted with electricity, there is a certain
space to protect the heating element from heat expansion and cold
contraction. [0029] 3. The conductive yarns and regular yarns are
blended and woven into clothes with different uses and the clothes
can be dyed, printed and washed. [0030] 4. The conductive yarn is
used to produce a blended cloth that can made into mattress,
curtains, textile wall coverings, oversleeves, knee braces, waist
supports, foot pads, seat cushions, and carpets etc for providing
heat and replacing various heating equipment in winder while being
conducted with electricity. Compared with conventional heaters, the
power consumption of the present invention is reduced by more than
65%.
[0031] Additional advantages and modifications will readily occur
to those skilled in the art. Therefore, the invention in its
broader aspects is not limited to the specific details, and
representative devices shown and described herein. Accordingly,
various modifications may be made without departing from the spirit
or scope of the general inventive concept as defined by the
appended claims and their equivalents.
* * * * *