CN204423928U - A kind of carbon nanotube conductor - Google Patents
A kind of carbon nanotube conductor Download PDFInfo
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- CN204423928U CN204423928U CN201520077841.2U CN201520077841U CN204423928U CN 204423928 U CN204423928 U CN 204423928U CN 201520077841 U CN201520077841 U CN 201520077841U CN 204423928 U CN204423928 U CN 204423928U
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Abstract
The utility model provides a kind of carbon nanotube conductor, and described carbon nanotube conductor has three-decker, and wherein the 1st layer is aramid fiber strengthening core, the 2nd layer for being positioned at the carbon nano-tube fibre layer outside the 1st layer, the 3rd layer for being positioned at the restrictive coating outside the 2nd layer.Carbon nanotube conductor of the present utility model is by utilizing aramid fiber as strengthening core, can give wire with the feature of high strength and high-flexibility, utilize carbon nano-tube fibre as conduction or signal transmssion line, not only conductivity is high, and light weight, bending resistance folding endurance are good, and fatigue performance improves greatly.Carbon nanotube conductor of the present utility model can be used for earphone cord, makes earphone cord not easy fracture, durable, and conduction and signal transfer functions well, meet earphone cord serviceability requirement commercially.
Description
Technical field
The utility model belongs to the process technology neck of carbon nano-tube, relates to a kind of carbon nanotube conductor.
Background technology
Along with science and technology and socioeconomic fast development, improving constantly of level of industry, the requirement that consumer is more and more higher to the quality of earphone products, performance and fail safe proposition.Traditional earphone wire mainly adopts the metallic fiber twisted bundles such as naked copper, aluminium, silver-colored line to become conductor, and insulation and sheath majority are PVC material.Above-mentioned high conductivity metal fiber pliability is lower, in use, due to pulling force or the gravity of self in the external world, and repeatedly around folding, and make the broken wires that is coated in sheath, thus cause this earphone can not continue to use.
CN 202948768 U discloses a kind of earphone cord, comprise plain conductor, prevent from shaking the epidermis of silk thread around fracture and earphone cord, prevent from described in described plain conductor is spirally wrapped in shaking on the silk thread of fracture, the epidermis of described earphone cord adheres to and is wrapped in the surface of described plain conductor, described in the silk thread preventing from shaking around fracture be superhigh molecular weight polyethylene fibers silk thread.The earphone cord of this utility model utilizes metallic fiber for wire rod, and pliability is poor, easy fracture.
Along with existing electronic equipment is towards lighting and handsome in appearance, be imbued with the future development of design sense, earphone wire also convergence lighting, attenuate, larger design space can be provided for designer.
Carbon nano-tube, since Ijima in 1991 observes under Electronic Speculum, has just enjoyed the concern of scientists.Research shows, carbon nano-tube, due to its special graphite laminate structure, thus has excellent mechanical property, and good electric conductivity.Because it has very high hot strength and extraordinary chemical stability, make it in prepared by composite material, have obviously advantage, thus play a significant role in prepared by high performance material, and carbon nano-tube is very thin, light weight, bending resistance folding endurance is good, not easy fracture.
CN 101976594 A compound wire application disclosing a kind of carbon nano-tube fibre and preparation method thereof, this characteristic feature of an invention is a kind of High Strength Carbon Nanotubes fiber material to combine with plating or chemical plating process of surface treatment, at the carbon nano-tube fibre composite conducting coat of metal, thus obtain the carbon nano-tube compound wire of a kind of lightweight, high strength, high connductivity.Need in the invention to utilize plating or chemical plating process of surface treatment, need in process to control the kind of the coat of metal and the thickness of the coat of metal, the conductivity of carbon nanotube conductor just can be made to reach consistent with metal body material electric conductivity, otherwise be difficult to obtain good conductivity.
CN 201655353 U discloses a kind of enhancing carbon nano tube line using single as carrier, and its special feature is: length is more than 100 meters; Be provided with single in the skin of polymer, in the capillary of single and on the outer surface of single, be provided with carbon nano-tube.Carbon nano tube line described in this utility model is thicker than the carbon nano tube line of prior art, but has higher mechanical strength and conductivity, is particularly suitable for making remote wire.
CN 102074291 A discloses a kind of earphone cord, and it comprises anti-elater, insulation conductive filament and earphone cord epidermis, and it is characterized in that, described earphone cord also comprises electric conductor; Described insulation conductive filament is spirally wrapped on described anti-elater; Described earphone cord epidermis adheres to and is wrapped in the surface of described insulation conductive filament, forms the epidermis that one deck is ultra-thin, soft and wear-resisting; And described electric conductor is positioned at the both ends of described earphone cord, is connected to the output of electronic product and earphone and inputs on termination.The described anti-elater of this invention is made up of the many filaments making stronger stretching resistance by multiple material compound, and this earphone cord can be applied to " built-in retractable earphone ".
In this area, it is the problem needing at present to solve that exploitation has good electric conductivity, high strength and good flexible earphone cord material.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of carbon nanotube conductor.
For reaching this goal of the invention, the utility model by the following technical solutions:
The utility model provides a kind of carbon nanotube conductor, and described carbon nanotube conductor has three-decker, and wherein the 1st layer is aramid fiber strengthening core, the 2nd layer for being positioned at the carbon nano-tube fibre layer outside the 1st layer, the 3rd layer for being positioned at the restrictive coating outside the 2nd layer.
In the utility model, aramid fiber is stranded forms by two bundles or more bundle for described strengthening core, describedly often restraints aramid fiber root aramid fiber is stranded forms by two or more.Aramid fiber full name is " PPTA ", a kind of novel high-tech synthetic fibers, the premium properties such as there is superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, lightweight, insulation, anti-aging, life cycle is long, it is as a kind of intensity and all very high polymer-based fiber of pliability, can realize consumption little when, proof strength and pliability.
In carbon nano-tube fibre layer described in the utility model, the diameter of carbon nano-tube fibre is 10-50 μm, such as 10 μm, 12 μm, 14 μm, 16 μm, 18 μm, 20 μm, 23 μm, 25 μm, 27 μm, 29 μm, 30 μm, 32 μm, 34 μm, 36 μm, 38 μm, 40 μm, 42 μm, 44 μm, 46 μm, 48 μm or 50 μm.
Carbon nano-tube fibre layer described in the utility model is made up of two or more root carbon nano-tube fibres, plays the function of conduction, Signal transmissions.Due to the diameter fine of carbon nanotube conductor, therefore the load of single-root carbon nano-tube wire is on the low side, carbon nano-tube fibre described in the utility model is woven together by tangled up and knotted, not only increase the load of carbon nano-tube fibre, carbon nano-tube fibre can be given with fluffy sense simultaneously, and make overall wire rod soft, good hand touch.
Utilize carbon nano-tube fibre as conduction or signal transmssion line, not only conductivity is high, and distorted signals is little, and carbon nano-tube fibre diameter fine (10-50 μm), light weight, and bending resistance folding endurance is good, easily ties a knot, and can arbitrarily design.
In carbon nano-tube fibre layer described in the utility model, every root carbon nano-tube fibre surface showering has polyimide coating, and coating plays insulating effect, avoids the impact of Signal transmissions between carbon nano-tube, ensures that it has high signal fidelity further.
The 3rd layer of the utility model carbon nano tube line is restrictive coating, and described restrictive coating is thermoplastic elastomer, and preferably, described restrictive coating can be TPE layer or TPU layer.TPE described in the utility model (ThermoplasticElastomer) is a kind of high resiliency, high strength, high resilience with rubber, having again can the material of injection molding feature, there is environment-protecting asepsis safety, soft-touch, weatherability, fatigue resistance and temperature tolerance, the features such as processing characteristics is superior.TPU described in the utility model (Thermoplastic polyurethanes) is TPUE rubber, and have good elasticity and resistance to wear, mechanical strength is high, and processing characteristics is good.
The described carbon nanotube conductor that the utility model provides can be used for earphone cord, utilizes carbon nano-tube fibre to replace conventional metals fiber as Signal transmissions and wire.Carbon nano-tube fibre has light weight, only has 1/5th of metallic fiber, diameter fine, and bending resistance folding endurance is good, contrasts the metallic fiber of identical fineness, and carbon nano tube line fatigue performance is its more than 2 times.Carbon nanotube conductor of the present utility model is applied to earphone cord can overcome earphone wire in the past and be easy to the shortcomings such as fracture.
Relative to prior art, the utility model has following beneficial effect:
Carbon nanotube conductor of the present utility model is by utilizing aramid fiber as strengthening core, can give wire with the feature of high strength and high-flexibility, utilize carbon nano-tube fibre as conduction or signal transmssion line, not only conductivity is high, and light weight, bending resistance folding endurance are good, and fatigue performance improves greatly.Carbon nanotube conductor of the present utility model can be used for earphone cord, makes earphone cord not easy fracture, durable, and conduction and signal transfer functions well, meet earphone cord serviceability requirement commercially.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of carbon nanotube conductor of the present utility model;
Fig. 2 is the schematic perspective view of carbon nanotube conductor of the present utility model;
In Fig. 1 and Fig. 2,1 represents the 1st layer---aramid fiber strengthening core, and 2 represent the 2nd layer---carbon nano-tube fibre layer, 3 represent the 3rd layer---restrictive coating.
Embodiment
The technical solution of the utility model is further illustrated below by embodiment.Those skilled in the art should understand, described embodiment is only help to understand the utility model, should not be considered as concrete restriction of the present utility model.
As shown in Figure 1, the utility model provides a kind of carbon nanotube conductor, and described carbon nanotube conductor has three-decker, and wherein the 1st layer is aramid fiber strengthening core 1,2nd layer for being positioned at the 2,3rd layer, carbon nano-tube fibre layer outside the 1st layer for being positioned at the restrictive coating 3 outside the 2nd layer.As seen from the figure, the aramid fiber strengthening core 1 of the 1st layer is made up of many aramid fibers, its skin is carbon nano-tube fibre layer 2, in carbon nano-tube fibre layer 2, every root nanotube fibers surface showering has polyimide coating (being illustrated by the circular layer of band point in figure), this coating plays insulating effect, avoid the impact of Signal transmissions between carbon nano-tube, ensure that it has high signal fidelity further.3rd layer is restrictive coating 3, plays the object of protection internal structure, and plays insulating effect.
Fig. 2 is the schematic perspective view of carbon nanotube conductor, and as shown in the figure, the aramid fiber strengthening core 1 of the 1st layer forms by many aramid fibers are stranded.Adopts aramid fiber as supporter in this structural design, can play a supporting role to carbon nano-tube fibre layer, and aramid fiber itself is as a kind of intensity and all very high polymer-based fiber of pliability, can realize consumption little when, proof strength and pliability.
The carbon nano-tube fibre layer 2 of the 2nd layer is positioned at outside the aramid fiber strengthening core 1 of the 1st layer, and be made up of many carbon nano-tube fibres, many carbon nano-tube fibres are woven together by tangled up and knotted, play the function of conduction, Signal transmissions.In carbon nano-tube fibre layer, the diameter of carbon nano-tube fibre is about 10-50 μm, due to the diameter fine of carbon nano-tube fibre, therefore the load of single-root carbon nano-tube fiber is on the low side, so many carbon nano-tube fibre tangled up and knotted are woven together, not only increase the load of carbon nano-tube fibre, carbon nano-tube fibre can be given with fluffy sense simultaneously, and make overall wire rod soft, good hand touch.Therefore, utilize carbon nano-tube fibre as conduction or signal transmssion line, not only conductivity is high, and signal fidelity is high, and carbon nano-tube fibre diameter fine, light weight, and bending resistance folding endurance is good, easily ties a knot, and can arbitrarily design.
3rd layer for being positioned at the restrictive coating 3 outside the 2nd layer, described restrictive coating 3 is thermoplastic elastomer, such as, described restrictive coating 3 can for but be not limited to TPE layer or TPU layer.Restrictive coating 3 plays the object of protection internal structure, and plays insulating effect.
Carbon nanotube conductor of the present utility model is applied to earphone cord, utilizes carbon nano-tube fibre to replace conventional metals fiber as Signal transmissions and wire.Carbon nano-tube fibre light weight, only has 1/5th of metallic fiber, diameter fine, and bending resistance folding endurance is good, contrasts the metallic fiber of identical fineness, and carbon nano tube line fatigue performance is its more than 2 times.Carbon nano tube line of the present utility model is applied to earphone cord can overcome earphone wire in the past and be easy to the shortcomings such as fracture.
Applicant states, the utility model illustrates carbon nanotube conductor of the present utility model by above-mentioned embodiment, but the utility model is not limited to above-mentioned embodiment, namely do not mean that the utility model must rely on above-mentioned embodiment and could implement.Person of ordinary skill in the field should understand; to any improvement of the present utility model; to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of raw material selected by the utility model, all drop within protection range of the present utility model and open scope.
Claims (9)
1. a carbon nanotube conductor, is characterized in that, described carbon nanotube conductor has three-decker, and wherein the 1st layer is aramid fiber strengthening core, the 2nd layer for being positioned at the carbon nano-tube fibre layer outside the 1st layer, the 3rd layer for being positioned at the restrictive coating outside the 2nd layer.
2. carbon nanotube conductor according to claim 1, is characterized in that, aramid fiber is stranded forms by two bundles or more bundle for described aramid fiber strengthening core.
3. carbon nanotube conductor according to claim 2, is characterized in that, describedly often restraints aramid fiber root aramid fiber is stranded forms by two or more.
4. carbon nanotube conductor according to claim 1, is characterized in that, in described carbon nano-tube fibre layer, the diameter of carbon nano-tube fibre is 10-50 μm.
5. the carbon nanotube conductor according to any one of claim 1-4, is characterized in that, described carbon nano-tube fibre layer is made up of two or more root carbon nano-tube fibres.
6. carbon nanotube conductor according to claim 5, is characterized in that, described carbon nano-tube fibre is woven together by tangled up and knotted.
7. carbon nanotube conductor according to claim 5, is characterized in that, in described carbon nano-tube fibre layer, every root carbon nano-tube fibre surface showering has polyimide coating.
8. carbon nanotube conductor according to claim 1, is characterized in that, described restrictive coating is thermoplastic elastomer.
9. carbon nanotube conductor according to claim 8, is characterized in that, described restrictive coating is TPE layer or TPU layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520077841.2U CN204423928U (en) | 2015-02-04 | 2015-02-04 | A kind of carbon nanotube conductor |
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| CN201520077841.2U CN204423928U (en) | 2015-02-04 | 2015-02-04 | A kind of carbon nanotube conductor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616718A (en) * | 2015-02-04 | 2015-05-13 | 苏州聚宜工坊信息科技有限公司 | Carbon nanometer tube guide wire and application thereof |
| CN111081411A (en) * | 2019-12-09 | 2020-04-28 | 河北碳垣纳米科技有限公司 | Carbon nanotube fiber flexible cable |
-
2015
- 2015-02-04 CN CN201520077841.2U patent/CN204423928U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616718A (en) * | 2015-02-04 | 2015-05-13 | 苏州聚宜工坊信息科技有限公司 | Carbon nanometer tube guide wire and application thereof |
| CN104616718B (en) * | 2015-02-04 | 2018-12-04 | 苏州聚宜工坊信息科技有限公司 | A kind of carbon nanotube conductor and its application |
| CN111081411A (en) * | 2019-12-09 | 2020-04-28 | 河北碳垣纳米科技有限公司 | Carbon nanotube fiber flexible cable |
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