CN106982479A - A kind of electrothermal piece and its heating method - Google Patents
A kind of electrothermal piece and its heating method Download PDFInfo
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- CN106982479A CN106982479A CN201610029458.9A CN201610029458A CN106982479A CN 106982479 A CN106982479 A CN 106982479A CN 201610029458 A CN201610029458 A CN 201610029458A CN 106982479 A CN106982479 A CN 106982479A
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- electric heating
- yarn
- electrothermal piece
- fabrics
- heating fabrics
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 116
- 238000005485 electric heating Methods 0.000 claims abstract description 109
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 13
- 229910052709 silver Inorganic materials 0.000 claims description 11
- 239000004332 silver Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000010946 fine silver Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 8
- 238000009941 weaving Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009940 knitting Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 239000013305 flexible fiber Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000009954 braiding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 241000724375 Agrostis scabra Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000001195 anabolic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000027950 fever generation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 229920005749 polyurethane resin Polymers 0.000 description 1
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- 239000011241 protective layer Substances 0.000 description 1
- 229920000431 shape-memory polymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- 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
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- 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
- H05B3/02—Details
-
- 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
-
- 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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Surface Heating Bodies (AREA)
- Woven Fabrics (AREA)
Abstract
The present invention proposes a kind of electrothermal piece and its heating method；The electrothermal piece includes electric heating fabrics, and the electric heating fabrics include electric heating yarn unit；The electric heating yarn unit includes conductive yarn and resistive yarn；Conductive yarn and resistive yarn link together side by side；Electrothermal piece also includes being respectively interposed in electric heating fabrics front and back, for a pair of electrodes for providing voltage between electric heating fabrics front and back.The electrothermal piece of the present invention has the electric heating fabrics being woven into by conductive yarn and resistive yarn, by providing a voltage before the front and back to electric heating fabrics so that electric heating fabrics produce uniform Temperature Distribution.The electrothermal piece heating of the present invention is uniform, can be applied in multiple application fields such as KAFO.
Description
Technical field
The present invention relates to a kind of electrothermal piece and its heating method.
Background technology
With the development of flexible heater technology, improve electric heating fabrics heating efficiency and improve each of thermal-stable
Electric heating fabrics are planted to be developed.
United States Patent (USP) US5484983 proposes a kind of electric heating fabrics with basic network structure.Wherein,
This electric heating fabrics are used to produce on-plane surface fabric laminate or composite material for weaving.A pair of electrodes is set respectively
Put in conductive electric heating fabrics both sides, to provide electric current to electric heating fabrics.So, conductive electric heating fabrics can
To be generated heat in the presence of electric current.At present, this conductive electric heating fabrics can play heating work(in numerous areas
Effect, such as in wearable heat-producing device field, medical field, family expenses and outdoor field.It is so wide
Application is determined by the special nature of this electric heating fabrics, and these properties include the yarn used in material
Line property in itself and the aspect of the property of fabric two.The property of yarn mainly have the resistivity of yarn, rigidity and
Fineness；The property of fabric includes method for weaving (such as knitting, woven and braiding), Density and fabric
Structure.Further, in that patent, electric heating fabrics are used as conductor wire using fine copper wire.This scheme makes
Electric heating fabrics are obtained in extending aspect of performance existing defects, it is impossible to adapt to rough bent support thing.Such as
Fruit supporter is in case of bending, and the impedance operator of electric heating fabrics can be destroyed.German patent DE 4233118
A1 proposes a kind of electric heating braid, including the carbon-based resistive conductor of conductive flexible.This electric heating braid is led
Resistance is too big.United States Patent (USP) US4983814 proposes a kind of flexible fiber heating fabric；The fabric
Yarn includes being coated with one or more layers conductive layer on fibre core, the fibre core.However, yarn diameter, electricity
The irregular of the parameters such as resistance can influence the heating property of fabric, specifically, in the front and back of fabric
In the case of difference, hot-spot can cause the uneven phenomenon of heating effect.United States Patent (USP) US5861610
A kind of heating wire is proposed, this heating wire includes two conductors, and two conductors are respectively by an insulating materials
Parcel, and separated by this insulating materials.This pair of Insulation Scheme causes heating wire very thick, hard and again,
This can influence the comfort level of user.United States Patent (USP) US6548789 proposes a kind of knitting with heating function
Thing, wherein, metal wire is directly woven together with clothes.Conductive path is formed by metal wire, causes electric current
Heat energy is produced in the range of being covered by and metal wire.However, the mode of heating of this fabric is not
Plane is heated, more precisely, the heat that this fabric is sent may be propagated only in one direction.
Further, United States Patent (USP) US7173223B2 proposes a kind of two-dimension flexible electric calorifie installation, and it is weaving
The heater element of material class, the heater element is to be formed by common textile with yarn and metallic yarn both weave.
In practical application, the distance between ratio and adjacent two metallic yarn between metallic yarn and common yarn determine to knit
The size of thing impedance.The textile type electric calorifie installation (can also claim fabric three in the cross section in fabric thickness direction
On dimension direction) can not uniformly it heat.United States Patent (USP) US4983814 proposes a kind of flexible fiber heating and knitted
Thing, flexible fiber heating fabric is made into by yarn, and yarn includes fibre core, and is coated on fibre core
Conductive polyurethane resin.In this fabric, the parameter such as yarn diameter or resistance may be irregular.This
Outside, this fabric employs solvent, cyanic acid and other noxious materials, and these materials can discharge at high temperature.
United States Patent (USP) US7268320B2 discloses a kind of electric heating compound fabric, with least one layer of tissue layer and electricity
Warmware.Electrothermal piece is only used in compound fabric.This compound fabric also includes protective layer and steam pervious bed,
With protection circuit or resistance physical pressure.This compound fabric can realize more preferable electric heating property.However, single
Solely there can be risk using this fabric.Due to weaving process, lasting friction and adjacent yarn it
Between staggeredly can occur, the fiber of conductive yarn can wear and tear；This process can make the structure of conductive yam formation
Become loose, the short circuit of fabric is caused from previous structure sliding.In addition, when conductive yam and other conductive golds
When belonging to yarn contact, it is also possible to cause short circuit.
The content of the invention
The present invention is for existing electric heating fabrics when being energized, it is impossible to the problem of obtaining uniform temperature, proposes
A kind of electrothermal piece and its heating method.
The technical scheme proposed by the present invention for solving above-mentioned technical problem is as follows：
The present invention proposes a kind of electrothermal piece, including electric heating fabrics, and the electric heating fabrics include electric heating yarn unit；
The electric heating yarn unit includes conductive yarn and resistive yarn；Conductive yarn and resistive yarn are connected to side by side
Together；
Electrothermal piece also includes being respectively interposed in electric heating fabrics front and back, for electric heating fabrics front and the back of the body
A pair of electrodes of voltage is provided between face.
In the above-mentioned electrothermal piece of the present invention, conductive yarn is silver coating conductive yarn.
In the above-mentioned electrothermal piece of the present invention, silver coating conductive yarn includes the insulation core wire as substrate, and this is exhausted
Silver is coated with edge cored wire.
In the above-mentioned electrothermal piece of the present invention, insulation core wire is polyamide multifilament, PET core or aramid fiber.
In the above-mentioned electrothermal piece of the present invention, the quantity ratio of conductive yarn and resistive yarn is 1:2、2:1 or 1:1.
In the above-mentioned electrothermal piece of the present invention, two adjacent electric heating yarn units of electric heating fabrics, which have, to be fixedly connected
Node；The density of electric heating fabrics is the 220 circles/circle of square inch -260/square inch.
In the above-mentioned electrothermal piece of the present invention, electric heating fabrics have 1 × 1 rib-loop structure, full Milan promise structure,
Half Milan promise structure, fly pattern clothing structure or A Lan floral structures.
In the above-mentioned electrothermal piece of the present invention, electrode is fine silver line；Two fine silver line is sewn to electric heating fabrics respectively
On the front and back.
The invention also provides a kind of heating method of electrothermal piece, comprise the following steps：
Step S1, offer electrothermal piece as described above；
Step S2, the DC voltage to offer below 36V between electric heating fabrics front and back, so that electric
Heating fabric generates heat.
The electrothermal piece of the present invention has the electric heating fabrics that are woven into by conductive yarn and resistive yarn, by wearing
The fine silver conductive filament two ends being inserted in fabric, which provide voltage, makes unitary conductive fabric by electric current, and due to pine
Scattered fabric construction and less Density make the electrothermal piece heating of the present invention uniform.The electrothermal piece of the present invention
Heating is uniform, can be applied in multiple application fields such as KAFO.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 shows the circuit diagram of the first embodiment of electric heating fabrics of the present invention；
Fig. 2 is the schematic diagram of the second embodiment of electric heating fabrics of the present invention；
Fig. 3 is the sectional view of the electric heating yarn unit of the embodiment of the present invention；
Fig. 4 is the temperature test position view of the electrothermal piece of the embodiment of the present invention；
Fig. 5 is temperature measurement result of the test 1 of the electrothermal piece of the embodiment of the present invention under 15V voltage
Figure；
Fig. 6 is temperature measurement result of the test 2 of the electrothermal piece of the embodiment of the present invention under 20V voltage
Figure.
Embodiment
The present invention is for existing electric heating fabrics when being energized, it is impossible to the problem of obtaining uniform temperature, proposes
Uniform electric heating property can be achieved in a kind of electrothermal piece, the electrothermal piece in plane or three-dimensional；The present invention
Electrothermal piece is lightweight, soft, homogeneous heating, it is to avoid the hot-spot of the existing fabric application of limitation
The problem of.Electrothermal piece includes electric heating fabrics, and the electric heating fabrics include conductive yarn, and the conductive yarn can conduct
Low-voltage current；In addition, electric heating fabrics also include resistive yarn, the resistive yarn is used to hinder the logical of electric current
Cross and produce heat energy and have certain insulation effect.Electric heating fabrics can be composite material for weaving or laminate fabric,
And formed by conductive yarn and resistive yarn braiding.Under certain DC voltage, it can be produced on electric heating fabrics
Be evenly distributed temperature.
Referring to Figures 1 and 2, Fig. 1 shows the circuit diagram of the first embodiment of electric heating fabrics of the present invention；Figure
2 be the schematic diagram of the second embodiment of electric heating fabrics of the present invention.Wherein, Fig. 1 shows full Milan promise structure,
Fig. 2 shows barring-on structure.
As depicted in figs. 1 and 2, in the first embodiment and second embodiment of electric heating fabrics, electric heating fabrics
Front and back there is identical structure.Electric heating fabrics include electric heating yarn unit；The electric heating yarn unit
Including conductive yarn and resistive yarn；Conductive yarn and resistive yarn link together side by side；Such as Fig. 3
It is shown.Meanwhile, two adjacent electric heating yarn units of electric heating fabrics, which have, to be fixed and keeps certain distance
It is fixedly connected with node.
Fig. 2 has also marked the process of heat transfer using arrow, heat electric heating fabrics front and back with
And transmitted between cross section, heat, which runs into circle, to be passed through, and running into electric heating yarn unit can return.Herein, it is electric
Resistance yarn serves the insulation effect for hindering electric current and producing heat and preventing heat from distributing.
For conductive yarn, in one embodiment, conductive yarn is metallic conduction yarn.So, conductive yam
Line not only has appropriate resistance, but also with certain mechanical performance.Preferably, conductive yarn is silver
Coated conductive yarn, including as the insulation core wire of substrate, silver is coated with the insulation core wire.Here, absolutely
Edge cored wire is polyamide multifilament, PET long filaments, PET core, aramid fiber or other staple fibres.Meanwhile,
The equivalent diameter of conductive yarn is 70d-300d.The selection of conductive yarn can be according to the market demand and concrete application
To determine.In fact, most of conductive yarns are silver coating conductive yarn.
For resistive yarn, because nylon/cotton blending yarn has good heat-insulating property, therefore, at this
In invention, resistive yarn uses nylon/cotton blending yarn.Conductive yarn and resistive yarn connect the electricity to be formed
Hot yarn unit is to overcome one of key of existing electric heating fabrics local pyrexia.Because conductive yam and non-conductive yarn
Mixing, which is woven into material, can increase overall electrical resistance, reduce and balance heating heat to avoid hot-spot.
In conductive yarn and resistive yarn anabolic process, the percentage of resistive yarn is decided by electric heating fabrics institute
The impedance needed.The quantity ratio preferably 1 of conductive yarn and resistive yarn:2、2:1 or 1:1.
Further, electric heating fabrics are made of weft-knitted technique.Compared to other weavings, by weft-knitted work
The knitted structure that skill is woven into can have more preferable spatial stability, can avoid fabric in application process
It is subjected to displacement and does not line up.By the setting of some parameters in the manufacturing process to electric heating fabrics, electric heating is knitted
Thing can have the advantages that lightweight, scalability is high.More specifically, weft-knitted technique makes the front of electric heating fabrics
There is consistent structure with the back side, these structures can for 1 × 1 rib-loop, full Milan promise, half Milan promise or
Fly pattern clothing etc..For the structural parameters of electric heating fabrics, the density of electric heating fabrics can be lower, and density can be
220 circles/the circle of square inch -260/square inch.The manufacturing process of electric heating fabrics can be completed by Computerized flat knitting machine.
In electric heating fabrics, heat is produced between coil so that the Temperature Distribution of electric heating fabrics inside and positive and negative
Uniformly.In the presence of voltage, the electric heating fabrics for the certain time that is powered can reach predetermined temperature, can also bear
Beyond the temperature specified.
The electrothermal piece of the present invention also includes being respectively interposed in electric heating fabrics front and back, for electric heating fabrics
A pair of electrodes of DC voltage is provided between front and back.In the present invention, using metallic power line conduct
Electrode.Two metallic power lines are uniformly inserted through the front and back of electric heating fabrics.Fine silver wire can be examined
Consider as metallic power line, because it has close resistivity with fabric conductive yam.To the pair of electrode
Between the DC voltage that applies can control in below 36V, so, can be controlled by the electric current of electric heating fabrics
Make within the specific limits, to avoid the major accident because of caused by short circuit and hot-spot.
Electrothermal piece can be applied to Intelligent Compression bandage systems (Smart Compression Bandage System)
In, for triggering shape memory function.It can be made by the combination of shape memory filament and elastomer filament
Make Intelligent Compression bandage systems.In this application, by the way that electrothermal piece is folded in Intelligent Compression bandage systems,
Make compression bandage thermally equivalent, it is possible to control the temperature of Intelligent Compression bandage systems well.Further,
The voltage between a pair of electrodes by adjusting electrothermal piece, can control the heating efficiency of electric heating fabrics.It is this
Internal mode of heating helps lend some impetus to electric heating fabrics heating, and eliminating outside heating stimulates, and also ensures that and solves
Safety problem.By the geometric parameter and structural parameters that change electric heating fabrics, it is considered to the corresponding construction of electrode,
The knitting type of spacing and electric heating fabrics between the electric heating yarn unit of electric heating fabrics can be realized to electricity
The design of warmware caloric value.
In the present invention, electric heating fabrics can also be combined in composite material for weaving or laminate fabric.If
A certain electric heating yarn unit in electric heating fabrics is destroyed, and the electric heating yarn unit can also have heating work(
Energy.In this application, the efficient heating of electric heating fabrics can reduce heat loss.
The electrothermal piece of the present invention can be also used for KAFO, and the KAFO is by temperature triggered shape memory therein
Composite material for weaving.Meanwhile, electrothermal piece can be as thermal source, for use as the actuator of KAFO.Electrothermal piece group
Process together in KAFO is relatively easy convenient, and this may consequently contribute to change KAFO according to patient's condition
Shape.Because the structure of electrothermal piece is main body, and shape-memory polymer is thermoplastic, orthopedic
During the angle modification of device, temperature can be maintained between 55 DEG C and 60 DEG C for a long time.
In order that the technical purpose of the present invention, technical scheme and technique effect are clearer, in order to ability
Field technique personnel understand and implemented the present invention, and the present invention is done into one below in conjunction with the accompanying drawings and the specific embodiments
Walk explanation.
The present invention proposes an a kind of preferred embodiment of electrothermal piece.In this embodiment, electrothermal piece includes electricity
Heating fabric, the electric heating fabrics include electric heating yarn unit；The electric heating yarn unit includes conductive yarn and resistance
Yarn；Conductive yarn and resistive yarn link together side by side；
Here, conductive yarn is silver coating conductive yarn, and resistive yarn is nylon/cotton blending yarn；It is conductive
The quantity ratio of yarn and resistive yarn uses 1:1.Wherein, the fineness of conductive yam is 60d, nylon/cotton blend
The fineness of yarn is 32s/2.
Electrothermal piece is also including being separately positioned on electric heating fabrics front and back, for electric heating fabrics front and the back of the body
A pair of electrodes of DC voltage is provided between face.The a pair of electrodes is fine silver wire.
Test process
Electrothermal piece is fabricated to sock KAFO as shown in Figure 4 by the present embodiment.
Test 1：
To the voltage of offer 15V between a pair of electrodes of electrothermal piece, and record start time；And opening certainly
From moment beginning after 180s, the temperature of position 1 as shown in Figure 4, position 2, position 3 and position 4 is measured.
The temperature measurement result is as shown in figure 5, the temperature at position 1 is the temperature at 17 DEG C, position 2
For 16 DEG C, the temperature at position 3 is that the temperature at 16 DEG C, position 4 is 15 DEG C.
Test 2：
To the voltage of offer 20V between a pair of electrodes of electrothermal piece, and record start time；And opening certainly
From moment beginning after 180s, the temperature of position 1 as shown in Figure 4, position 2, position 3 and position 4 is measured.
The temperature measurement result is as shown in fig. 6, the temperature at position 1 is the temperature at 36 DEG C, position 2
For 34 DEG C, the temperature at position 3 is that the temperature at 33 DEG C, position 4 is 30 DEG C.
It is can see from test 1 with test 2, the silver electrode two ends interted in heating fabric provide one directly
Flow voltage so that the uniformity of temperature profile that electric heating fabrics are produced on three-dimensional.
The electrothermal piece of the present invention has the electric heating fabrics being woven into by conductive yarn and resistive yarn, by electricity
A voltage is provided before the front and back of heating fabric so that electric heating fabrics produce uniform Temperature Distribution.
The electrothermal piece heating of the present invention is uniform, can be applied in multiple application fields such as KAFO.
It should be appreciated that for those of ordinary skills, can be improved according to the above description
Or conversion, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of electrothermal piece, it is characterised in that including electric heating fabrics, the electric heating fabrics include electric heating yarn unit；
The electric heating yarn unit includes conductive yarn and resistive yarn；Conductive yarn and resistive yarn are connected side by side
Together；
Electrothermal piece also includes being respectively interposed in electric heating fabrics front and back, for giving electric heating fabrics front and back
Between provide voltage a pair of electrodes.
2. electrothermal piece according to claim 1, it is characterised in that conductive yarn is silver coating conductive yarn.
3. electrothermal piece according to claim 2, it is characterised in that silver coating conductive yarn includes being used as base
Silver is coated with the insulation core wire at bottom, the insulation core wire.
4. electrothermal piece according to claim 3, it is characterised in that insulation core wire is polyamide multifilament, PET
Fibre core or aramid fiber.
5. electrothermal piece according to claim 1, it is characterised in that the quantity of conductive yarn and resistive yarn
Than for 1:2、2:1 or 1:1.
6. electrothermal piece according to claim 1, it is characterised in that two adjacent electric heating yarns of electric heating fabrics
Line unit, which has, is fixedly connected with node；The density of electric heating fabrics is 220 circles/circle/square English of square inch -260
It is very little.
7. electrothermal piece according to claim 6, it is characterised in that electric heating fabrics have 1 × 1 rib-loop knot
Structure, full Milan promise structure, half Milan promise structure, fly pattern clothing structure or A Lan floral structures.
8. electrothermal piece according to claim 1, it is characterised in that electrode is fine silver line；Two fine silver lines
Electric heating fabrics are sewn to respectively on the front and back.
9. a kind of heating method of electrothermal piece, it is characterised in that comprise the following steps：
Step S1, offer electrothermal piece as claimed in claim 1；
Step S2, the DC voltage to offer below 36V between electric heating fabrics front and back, so that electric heating is knitted
Thing generates heat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029458.9A CN106982479A (en) | 2016-01-15 | 2016-01-15 | A kind of electrothermal piece and its heating method |
| PCT/CN2016/071329 WO2017120982A1 (en) | 2016-01-15 | 2016-01-19 | Electrothermal component and heat generating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029458.9A CN106982479A (en) | 2016-01-15 | 2016-01-15 | A kind of electrothermal piece and its heating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106982479A true CN106982479A (en) | 2017-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610029458.9A Pending CN106982479A (en) | 2016-01-15 | 2016-01-15 | A kind of electrothermal piece and its heating method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106982479A (en) |
| WO (1) | WO2017120982A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793887A (en) * | 2019-04-08 | 2020-10-20 | H.斯托尔股份两合公司 | Flat knitting machine with device for inserting inserts into knitted fabric |
| CN112011889A (en) * | 2020-07-27 | 2020-12-01 | 东华大学 | Temperature-controllable three-dimensional warp-knitted spacer fabric and preparation method thereof |
| US11280032B2 (en) | 2018-04-27 | 2022-03-22 | Knitwarm Limited | Manufacturing method for knitted fabric having heat generating function |
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| WO2008013459A2 (en) * | 2006-07-24 | 2008-01-31 | Ward, Robert, William | Textile articles incorporating an electrical heating element(s) |
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| US4792662A (en) * | 1986-09-02 | 1988-12-20 | Daikin Industries, Ltd. | Sheet electrical heating element |
| EP1513373A1 (en) * | 2003-09-08 | 2005-03-09 | Malden Mills Industries, Inc. | Electric heating/warming fabric articles |
| US20050061801A1 (en) * | 2003-09-19 | 2005-03-24 | Tex-Ray Industrial Co., Ltd. | Flexible electro-heating apparatus and fabrication thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11280032B2 (en) | 2018-04-27 | 2022-03-22 | Knitwarm Limited | Manufacturing method for knitted fabric having heat generating function |
| CN111793887A (en) * | 2019-04-08 | 2020-10-20 | H.斯托尔股份两合公司 | Flat knitting machine with device for inserting inserts into knitted fabric |
| CN111793887B (en) * | 2019-04-08 | 2021-11-16 | H.斯托尔股份两合公司 | Flat knitting machine with device for inserting inserts into knitted fabric |
| CN112011889A (en) * | 2020-07-27 | 2020-12-01 | 东华大学 | Temperature-controllable three-dimensional warp-knitted spacer fabric and preparation method thereof |
| CN112011889B (en) * | 2020-07-27 | 2022-03-15 | 东华大学 | Temperature-controllable three-dimensional warp-knitted spacer fabric and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017120982A1 (en) | 2017-07-20 |
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Application publication date: 20170725 |