CN211947456U

CN211947456U - Elastic conductive wire

Info

Publication number: CN211947456U
Application number: CN201922327659.9U
Authority: CN
Inventors: 宋泽铭; 梁海朝; 何蕾
Original assignee: Jiaxing Jizhan Technology Co ltd
Current assignee: Jiaxing Jizhan Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-11-17
Anticipated expiration: 2029-12-23

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

Elastic conductive wire

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 thread comprising a conductive stretchable braided structure and an elastic insulating layer for covering the braided structure, the braided structure being formed by braiding braided strands through a knitting process, the braided strands being composed of conductive filaments and non-conductive filaments, the braided structure being a long-strip structure formed by continuously braiding the braided strands on the basis of a warp-knitting structure in the knitting process.

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 elastic wires.

Further, the warp knitting tissue comprises one or more of a chain knitting tissue, a warp plain tissue, a warp satin tissue, a double warp, a rib warp plain tissue, a variable warp satin tissue and a double rib warp plain tissue.

Preferably, the elastic yarn is twisted with the conductive yarn to form a braided strand after being in a stretched state by a certain pulling force given to the elastic yarn in the braiding process.

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 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 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, and the elastic insulating layer; wherein, the non-conductive wire is non-elastic wire; the conductive wires and the non-conductive wires form braided strands, the braided strands are woven into a strip-shaped structure on the basis of warp knitting tissues (such as chain knitting tissues) in a knitting and braiding process to form conductive wires, and the conductive wires are processed and fixed into elastic conductive wires by the aid of elastic insulating layers. In particular, the elastic yarn may be given a certain pulling force during the knitting process to be maintained in a stretched state, and then twisted with the conductive yarn, and then knitted.

It should be noted that the basic structure for weaving the elastic conductive wire is not limited to the chain structure, and in the case of different diameter requirements, the combination mode can use a plurality of warp knitting structures in the weaving process to realize the weaving of elastic conductive wires with different specifications. The warp knitting tissue comprises one or more of chain knitting tissue, warp plain tissue, satin tissue, double warp tissue, rib warp plain tissue, variable warp satin tissue and double rib warp plain tissue.

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 elastic wires form a braided strand 1, the elastic wires are given certain traction force based on the chain knitting tissue in the knitting and braiding process, and then are continuously braided by using a latch needle, a groove needle or a crochet needle to form the conductive wires with strip-shaped structures; and then combining with an insulating outer layer process, coating an elastic insulating layer 2 outside, and processing and fixing the elastic conductive wire. Wherein, on the premise of not exceeding the requirement of the overall diameter, the plurality of the roots mean at least one. Preferably, the elastic conductive wire is in an elongated shape.

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 elastic wire 102, 20 conductive wires 101, for example, tin-plated copper wires with a diameter of 0.06 mm. It should be noted that, in different implementations, the number of the elastic wires and/or the conductive wires may be determined according to specific needs.

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 1000 um.

The elastic wire has the function 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 1000 um.

The elastic insulating layer plays a role in protecting the elastic conductive wire, isolates the elastic conductive wire from air and does not influence the elasticity and the conductivity of the elastic conductive wire. 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:

Specifically, the method comprises the following steps:

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

1. An elastic conductive wire comprising a conductive stretchable braided structure and an elastic insulating layer for covering the braided structure, wherein the braided structure is formed by braiding braided strands through a knitting process, the braided strands are composed of conductive filaments and non-conductive filaments, and the braided structure is a long-strip structure formed by continuously braiding the braided strands on the basis of a warp knitting structure in the knitting process.

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 elastic yarns.

3. Elastic conductive thread according to claim 1,

the warp knitting tissue comprises one or more of chain knitting tissue, warp plain tissue, satin tissue, double warp tissue, rib warp plain tissue, variable warp satin tissue and double rib warp plain tissue.

4. Elastic conductive thread according to claim 2,

the elastic yarn is twisted with the conductive yarn into a braided strand after being in a stretched state by being given a pulling force during the braiding process.

5. Elastic conductive thread according to claim 2,

the diameter range of the conductive wire is 40-1000 um;

the diameter range of the elastic wire is 0.5-1000 um;

the thickness range of the elastic insulating layer is 0.2mm-2 mm.