CN211208005U - Elastic conductive wire - Google Patents
Elastic conductive wire Download PDFInfo
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- CN211208005U CN211208005U CN201922327985.XU CN201922327985U CN211208005U CN 211208005 U CN211208005 U CN 211208005U CN 201922327985 U CN201922327985 U CN 201922327985U CN 211208005 U CN211208005 U CN 211208005U
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Abstract
The utility model discloses an elasticity conductor wire. The elastic conductive wire comprises a conductive stretchable braided structure and an elastic insulating layer used for wrapping the braided structure, wherein the braided structure is formed by braiding braided strands through a knitting process, the braided strands are composed of conductive wires and non-conductive wires, and the non-conductive wires comprise elastic wires and/or non-elastic wires. The utility model discloses a weave the strand with the conductive filament is constituteed with non-conductive silk and weave into can electrically conduct tensile structure of weaving to the cladding provides an elasticity conductor wire with elastic insulation layer, and this elasticity conductor wire has the flexibility, can stretch, the conductivity is high, the resistance is stable, insulating good, elasticity is good, the diameter is little, the reliability is high and the advantage such as wiring is even, but wide application in fields such as intelligence is dressed, medical health, sports.
Description
Technical Field
The utility model relates to a conductor wire manufacturing technology, concretely relates to elasticity conductor wire among the technical field are dressed to intelligence.
Background
With the development of the internet of things and wearable technology, flexible and retractable devices are the mainstream trend of the development of future electronic devices. Among them, the elastic conductive wire is a key material for the development of flexible devices, and has been receiving wide attention in recent years. In the prior art, devices such as a detection and control chip, a sensor and the like are generally woven into each part of clothes, so that parameters such as heartbeat, body temperature, respiratory frequency and the like of a person are detected and obtained, and the control chip processes various detection data. Because need data link between each device, so still need set up the conductor wire in intelligent clothing, current conductor wire compliance is not enough, influences the comfort level of clothing when installing in the clothing to because the clothing produces the tensile easily when wearing, taking off, lead to the life of conductor wire shorter, thereby influence the use of intelligent clothing.
In recent years, intelligent wearing becomes a hotspot of development of the science and technology industry, and in connection and wiring of wearable electronic equipment, the conductive connecting piece needs to meet the requirements of miniaturization, good elasticity, high conductivity and the like, which are related to the stability and reliability of electric signal transmission. The conductive materials of the existing intelligent textiles have a plurality of forms, the stretchable conductive wires in the market are mostly fiber surface plated metal particles, metal compounds, carbon powder or elastic conductive rubber, and have the problems of poor insulating property, complex production process, high production cost and the like. And on the premise of realizing stretchability, the existing elastic conductive wire can not meet the requirements of small diameter and low resistivity at the same time. The existing elastic conductive wire can provide certain conductive performance, but does not have good insulativity, and cannot be widely applied to connection of devices such as flexible batteries, sensors, micro chips and the like. And traditional metal wire and circuit board's pliability is poor, and the elastic recovery rate is low, can not bear great tensile, and fatigue resistance is poor, and its travelling comfort and reliability can not reach the requirement after applying to wearable electronic equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that, provide one kind flexibility, can stretch, the resistance is stable, insulating good, the little elasticity conductor wire of diameter to convenient nimble being applied to wearable equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an elastic conductive wire comprises a conductive stretchable weaving structure and an elastic insulating layer used for wrapping the weaving structure, wherein the weaving structure is formed by weaving braided strands through a knitting process, the braided strands are composed of conductive yarns and non-conductive yarns, the weaving structure is a flat strip-shaped structure formed by continuously weaving the braided strands by adopting a bidirectional flat knot weaving process and taking the elastic yarns as core yarns.
Further, the non-conductive wires comprise elastic wires and/or non-elastic wires, and the braided compound wires are composed of a plurality of conductive wires and non-elastic wires.
Preferably, the elastic filaments are placed in tension by a certain pulling force during the knitting process, and the overall diameter of the knitted strand is equivalent to the overall diameter of the elastic filaments.
According to the technical scheme provided by the utility model, the beneficial effects of the utility model reside in that:
the elastic conductor wire has the advantages of flexibility, stretchability, high conductivity, stable resistance, good insulativity, good elasticity, small diameter, high reliability, uniform wiring and the like, and can be widely applied to the fields of intelligent wearing, medical health, sports and the like.
Specifically, the method comprises the following steps:
(1) the flexible of the conductive wire can be realized. The wire has certain elastic recovery performance and is more flexibly applicable to wearable equipment.
(2) Has stable resistance. The existing conductive wire applied to the textile and clothing process is mainly plated with metal powder on the surface of fiber, the conductive wire of a plating layer has poor water-washable performance, and the problem of falling off of the metal powder after stretching or washing exists, so that the resistance is increased, and effective signal transmission cannot be realized. The utility model discloses a continuous conductive filament is like metal filament, therefore the resistance is stable, and the electric conductivity is high.
(3) Has good insulation property. The elastic insulating material is adopted as an outer package, so that the good insulativity of the conducting wire is realized while the elasticity and the conductivity of the conducting wire are kept.
(4) The diameter is small. Compared with the commonly used lead, the elastic lead has the advantage of small diameter. The current wire generally comprises conductive metal wire outsourcing insulating layer, and the line footpath is big and have certain hardness to and can not stretch, the utility model discloses an elasticity conductor wire diameter is steerable between 1mm-40mm, and especially steerable is being less than or equal to 2mm, can combine corresponding textile and clothing technology and be applied to on the wearable article, and then provide support for the wearable technique of intelligence.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below.
Fig. 1 is a schematic structural diagram of an elastic conductive wire in an implementation manner of an embodiment of the present invention;
figure 2 is a schematic cross-sectional view of a braided strand in one implementation of an embodiment of the present invention;
FIG. 3 is a schematic view of the knitting steps of the bidirectional plain-knot knitting process according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an elastic conductive wire in another implementation manner of the embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The following are detailed descriptions of the respective embodiments.
The embodiment of the utility model provides an aspect provides an elasticity conductor wire that flexibility, can stretch, resistance stability, insulating nature are good, the diameter is little. The elastic conductive wire comprises a conductive stretchable braided structure and an elastic insulating layer used for wrapping the braided structure, wherein the braided structure is formed by braiding braided strands through a knitting process, the braided strands are composed of conductive wires and non-conductive wires, and the non-conductive wires comprise one or two of elastic wires and non-elastic wires. The materials and characteristics that can be used for the respective components are as follows.
In some implementations, the conductive filament is made of one or more of a metal-based conductive filament, a carbon black-based conductive filament, a metal compound-type conductive filament, and a polymer conductive filament.
In some implementations, the elastic filament is a spandex filament, a polyurethane filament, a polyolefin filament, a rubber filament, a silicone filament, a polyester filament, a polyamide filament, or a protein filament.
In some implementations, the non-elastic yarn is one or more of a polyester yarn, a cotton yarn, an embroidery yarn, a wool yarn, a roving wool yarn, a worsted cotton, a linen yarn, a rayon yarn, a silk yarn, a polyethylene monofilament, a sewing yarn, a nylon yarn, a hemp yarn, a bulked yarn, and a textile yarn.
In some implementations, the elastic insulation layer may be made of one or more of silicone rubber, natural rubber, eucommia-natural rubber, egg white rubber, fiber/rubber composite material, synthetic rubber, resin, animal-like protein, styrene thermoplastic elastomer, styrene-isoprene-styrene block copolymer, ethylene-butylene copolymer, ethylene propylene diene monomer, polyolefin elastomer (POE), thermoplastic elastomer (TPE), thermoplastic ethylene propylene diene monomer dynamic vulcanizate, polyolefin thermoplastic elastomer, main thermoplastic polyurethane elastomer rubber, thermoplastic polyester elastomer, and polypropylene-ethylene elastomer.
As described above, the elastic conductive wire of the present embodiment includes the conductive filament, the non-conductive filament, the core wire, and the insulating layer; wherein, the non-conductive wire adopts non-elastic wire, and the core wire adopts elastic wire; the conductive wires and the non-conductive wires form braided compound wires, the braided compound wires are respectively braided in a left-right continuous mode through a bidirectional plain braiding process in the braiding process to form a flat strip-shaped structure, and then the elastic conductive wires are processed and fixed through the elastic insulating layer. In particular, in the knitting process, an elastic wire (or called as an elastic wire) is used as a core wire, a certain pulling force is given to the elastic wire in the knitting process, so that the elastic wire is kept in a stretching state, and then knitting is performed.
Fig. 1 is a schematic structural diagram of an elastic conductive wire in a specific application scenario example. The implementation mode is that a plurality of conductive wires and a plurality of non-conductive wires form a braided strand 1, braiding is carried out on the basis of a core wire 2 through a bidirectional flat braiding process, wherein a plurality of elastic wires are used as the core wire 2, a certain pulling force is given to the core wire to keep the core wire in a stretching state, the conductive wires are braided into a flat braided structure through left and right continuous braiding, and an elastic insulating layer 3 is coated on the outer portion of the conductive wires. Wherein, on the premise of not exceeding the requirement of the overall diameter, the plurality of the roots mean at least one. Preferably, the overall diameter of the braided strand 1 is similar or comparable to the overall diameter of the core 2. Preferably, the elastic conductive wire is in the shape of a flat strip.
One realization mode can adopt a spandex elastic wire with the diameter of 0.5mm as a core wire 2, a certain pulling force is given to the core wire 2, the spandex elastic wire is continuously woven left and right through a bidirectional plain-knot weaving process to be woven into a flat-structured conductive wire, and then the conductive wire is fixed into the elastic conductive wire by combining an insulating outer layer process and an elastic insulating layer.
Optionally, the final diameter of the resilient conductive wire is about 1mm to 40mm, preferably no greater than 2mm, and may be, for example, 1.5 mm.
As shown in fig. 2, which is a schematic cross-sectional view of a braided strand in one implementation, the braided strand 1 may be composed of one non-conductive filament 102, such as sewing cotton yarn, and 10 conductive filaments 101, such as tin-plated copper wire with a diameter of 0.06 mm. It should be noted that, in different implementations, the number of the conductive wires and/or the non-conductive wires may be determined according to specific needs.
Fig. 3 is a schematic diagram of the knitting steps of the bidirectional plain-knot knitting process in one implementation. The weaving process, as shown, includes six steps.
Furthermore, the elastic conductive wire can be transversely woven side by side based on a bidirectional plain knot weaving process, and the purposes of elasticity and high conductivity of the elastic conductive wire can be achieved. Particularly, adjacent strands are mutually wound in the weaving process between two rows of conducting wires, and then the next weaving is carried out.
As shown in fig. 4, an example of such a lateral side-by-side weave is shown in a weave structure formed by three rows of side-by-side weaves. This knitting method is based on the structure shown in fig. 2-1, and one core wire is extended three times, thereby realizing three rows of parallel knitting. Alternatively, the diameter of the three rows of side-by-side knitted structures is about 7 mm.
In the braided compound wire, the conductive wires and the non-conductive wires can be arranged in parallel, in alternate arrangement, in triangular arrangement or in polygonal arrangement.
Wherein, the conductive silk plays the electrically conductive effect. In some implementations, the conductive filament is made of one or more of a metal-based conductive filament, a carbon black-based conductive filament, a metal compound-type conductive filament, and a polymer conductive filament. Optionally, the diameter of the conductive filament ranges from 40um to 2000 um.
The elastic wire as the core wire plays a role of endowing the elastic conductive wire with elasticity, so that the conductive wire can elastically recover within a certain range, and the conductive function of the elastic conductive wire is not influenced. In some implementations, the elastic filament is a spandex filament, a polyurethane filament, a polyolefin filament, a rubber filament, a silicone filament, a polyester filament, a polyamide filament, or a protein filament. Optionally, the diameter of the elastic wire ranges from 0.5um to 4000 um.
The non-elastic wires serving as the non-conductive wires play a role in protecting the conductive wires, friction between the conductive wires and the conductive wires is reduced, and the conductive wires are prevented from being broken in the process of back-and-forth stretching recovery. In some implementations, the non-elastic yarn is one or more of a polyester yarn, a cotton yarn, an embroidery yarn, a wool yarn, a roving wool yarn, a worsted cotton, a linen yarn, a rayon yarn, a silk yarn, a polyethylene monofilament, a sewing yarn, a nylon yarn, a hemp yarn, a bulked yarn, and a textile yarn. Optionally, the diameter of the non-elastic filament ranges from 40um to 2000um, and preferably the diameter of the non-elastic filament is larger than that of the conductive filament.
The elastic insulating layer plays a role in protecting the woven structure serving as the conductive wire, the conductive wire formed by the woven structure is isolated from air, and the elasticity and the conductivity of the elastic conductive wire are not affected. In some implementations, the elastic insulation layer may be made of one or more of silicone rubber, natural rubber, eucommia-natural rubber, egg white rubber, fiber/rubber composite material, synthetic rubber, resin, animal-like protein, styrene thermoplastic elastomer, styrene-isoprene-styrene block copolymer, ethylene-butylene copolymer, ethylene propylene diene monomer, polyolefin elastomer (POE), thermoplastic elastomer (TPE), thermoplastic ethylene propylene diene monomer dynamic vulcanizate, polyolefin thermoplastic elastomer, main thermoplastic polyurethane elastomer rubber, thermoplastic polyester elastomer, and polypropylene-ethylene elastomer. Optionally, the thickness range of the elastic insulating layer is 0.2mm-2 mm.
To sum up, the embodiment of the utility model provides an elasticity conductor wire. Through adopting above technical scheme, the embodiment of the utility model provides a following beneficial effect has been gained:
the elastic conductor wire has the advantages of flexibility, stretchability, high conductivity, stable resistance, good insulativity, good elasticity, small diameter, high reliability, uniform wiring and the like, and can be widely applied to the fields of intelligent wearing, medical health, sports and the like.
Specifically, the method comprises the following steps:
(1) the flexible of the conductive wire can be realized. The wire has certain elastic recovery performance and is more flexibly applicable to wearable equipment.
(2) Has stable resistance. The existing conductive wire applied to the textile and clothing process is mainly plated with metal powder on the surface of fiber, the conductive wire of a plating layer has poor water-washable performance, and the problem of falling off of the metal powder after stretching or washing exists, so that the resistance is increased, and effective signal transmission cannot be realized. The utility model discloses a continuous conductive filament is like metal filament, therefore the resistance is stable, and the electric conductivity is high.
(3) Has good insulation property. The elastic insulating material is adopted as an outer package, so that the good insulativity of the conducting wire is realized while the elasticity and the conductivity of the conducting wire are kept.
(4) The diameter is small. Compared with the commonly used lead, the elastic lead has the advantage of small diameter. The current wire generally comprises conductive metal wire outsourcing insulating layer, and the line footpath is big and have certain hardness to and can not stretch, the utility model discloses an elasticity conductor wire diameter is steerable between 1mm-40mm, and especially steerable is being less than or equal to 2mm, can combine corresponding textile and clothing technology and be applied to on the wearable article, and then provide support for the wearable technique of intelligence.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; those of ordinary skill in the art will understand that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. An elastic conductive wire is characterized by comprising a conductive and stretchable braided structure and an elastic insulating layer for wrapping the braided structure, wherein the braided structure is formed by braiding braided strands through a knitting process, the braided strands are composed of conductive wires and non-conductive wires, the braided structure is a flat strip-shaped structure formed by continuously braiding the braided strands by adopting a bidirectional flat knot braiding process and taking the elastic wires as core wires.
2. Elastic conductive thread according to claim 1,
the non-conductive yarns comprise elastic yarns and/or non-elastic yarns, and the braided compound yarn is composed of a plurality of conductive yarns and non-elastic yarns.
3. Elastic conductive thread according to claim 1,
the elastic filaments are placed in tension by a pulling force during the knitting process, and the overall diameter of the knitted strands is comparable to the overall diameter of the elastic filaments.
4. Elastic conductive thread according to claim 1,
the braided structure comprises a plurality of core wires, and is formed by braiding a plurality of braided strands around a plurality of core wires side by side.
5. Elastic conductive thread according to claim 2,
the diameter range of the conductive wire is 40-2000 um;
the diameter range of the elastic wire is 0.5-4000 um;
the diameter range of the non-elastic yarn is 40-2000 um;
the thickness range of the elastic insulating layer is 0.2mm-2 mm.
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| CN201922327985.XU CN211208005U (en) | 2019-12-23 | 2019-12-23 | Elastic conductive wire |
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| CN201922327985.XU CN211208005U (en) | 2019-12-23 | 2019-12-23 | Elastic conductive wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210856A (en) * | 2020-08-26 | 2021-01-12 | 徐州汉纳纺织有限公司 | High-compactness cotton textile line and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112210856A (en) * | 2020-08-26 | 2021-01-12 | 徐州汉纳纺织有限公司 | High-compactness cotton textile line and production method thereof |
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