CN205810415U - The symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding - Google Patents

Abstract

This utility model provides the symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding, including: at least one pair of conductor, described conductor is coated in fluoroplastics sheath；The outside of described conductor is coated with the first semiconductor layer, the first fluoroplastic insulation layer, the second semiconductor layer and sub-shield from the inside to the outside；Gap between described sub-shield and fluoroplastics sheath uses colloid substance to fill.The first fluoroplastic insulation layer that this utility model is arranged, it is achieved that the isoelectric level between conductor, sub-shield shields between conductor, improve the capacity of resisting disturbance of cable, conductor uses symmetrical stranded attachment structure, and the anti-pressure ability making cable is good, and explosion-proof capabilities is strong.

Description

The symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding

Technical field

This utility model relates to the technical field of cable, especially relates to a kind of separated-shielding symmetry being applied to electronic equipment Stranded High-temperature-reslow-noise low-noise cable.

Background technology

Either at industrial circle, or in the field such as medical domain and service occupation, fast in order to adapt to these industries The demand of speed development, in these fields, all can relate to electronic equipment, and electronic equipment refers to by integrated circuit, transistor, electricity The electronic devices and components such as sub-pipe composition, the equipment that application electric technology software plays a role, also include electronic computer and by The robot of electronic computer control, numerical control, stored program controlled, computer, air-conditioning, refrigerator, washing machine, microwave oven, printer, fax Machine, all-in-one etc., by these electronic apparatus application to above-mentioned field, could meet the demand of fast development electronic age.Electricity Subset is in use, data transmission will necessarily be related to, and this is most basic demand, and data transmission is mainly by communication electricity Cable is transmitted, and when industrial circle is applied, uses communication cable to carry out data transmission, it is possible to quickly to improve the product producing product Amount, also ensure that the safety of production simultaneously, when medical field is applied, can investigate the disease of patient in time, make patient timely Obtain medical treatment, when service occupation's field application, it is possible to according to the demand of client, find up-to-date information in time, to meet client Use demand, in the outside of communications cable sheath, overcoat can also be installed, with the purpose of the communication cable that reaches to adequately protect.

In the prior art, relatively simple for structure within communication cable, for being uniformly placed with many holding wires, and The outside of all holding wires is coated with screen layer, waterproof layer and external protection coating successively, and above-mentioned communication cable is applied to electronics After on equipment, the data message received can be identified by electronic equipment in time, the data that then quickly will receive Information feeds back to receive on server, in order to the data message of feedback is processed, then by up-to-date number by server in time It is believed that breath shows, it is simple to people read data, improve the work efficiency of people, meet the use demand of people.

But, the medium kind within cable is the most, during using, and the interior molecules meeting between medium Rub, thus produce separation of charge, when cable is affected by external environment, the electric capacity of cable also can be made to change, thus Produce electric charge separation, it addition, the electrolyte in cable go up in a certain direction deformed by the effect of external force time, also can go out Show piezoelectric effect and produce the separation of electric charge, and inside cable, between conductor and medium during friction, also can produce electric charge Separate, in sum, contact between conductor and insulation, when being destroyed due to external influence, easily produce electric charge Separate, thus cause generation noise in cable, and the temperature adaptation ability of cable is weak, be difficult to adaptive temperature change ring greatly Border, and then have impact on the normal use of cable, also reduce the work efficiency of cable simultaneously.

Utility model content

The purpose of this utility model is to provide a kind of separated-shielding symmetrical stranded High-temperature-reslow-noise low-noise cable, existing to solve Present in technology, the friction of common communication cable medium molecule within cable, produce the separation of electric charge, or be subject to When external force affects, the electric capacity of cable changes suddenly and produces the separation of electric charge, or when the electrolyte in cable is affected by external force, Piezoelectric effect easily occurs, produces the separation of electric charge, or when cable rubs between conductor and medium, produce dividing of electric charge From, say, that when the contact between conductor and insulator is destroyed, the separation of electric charge can be produced, thus cause in cable Produce noise, and the temperature adaptation ability of cable, easy impaired problem.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding of the present utility model, including: at least one pair of conductor, described Conductor is coated in fluoroplastics sheath；

Described conductor is coated with the first semiconductor layer, the first fluoroplastic insulation layer, the second quasiconductor the most successively Layer and sub-shield.

Gap between described sub-shield and fluoroplastics sheath uses colloid substance to fill.

Further, described conductor is multiply silver-plated soft copper conductor.

Further, described first semiconductor layer, the first fluoroplastic insulation layer, the second semiconductor layer and sub-shield cut Face is annular.

Further, the cross section of described fluoroplastics sheath is oval ring.

Further, described first semiconductor layer, the second semiconductor layer use around pouch-type or the structure of extrusion type.

Further, the gap between described sub-shield and fluoroplastics sheath uses colloid substance to fill.

Further, described and sub-shield is entwined by silver-plated soft copper conductor, is wound around coverage rate more than 90%.

Further, described colloid substance is gel.

Further, the cross section of described fluoroplastics sheath is annular.

Further, described colloid substance is PUR.

Further, described first fluoroplastic insulation layer and fluoroplastics sheath use around pouch-type or the structure of extrusion type.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of the separated-shielding that this utility model provides, described conductor is at least a pair, adopts By the stranded mode of symmetry, it is also possible to play explosion-proof effect；The outside of conductor is respectively provided with sub-shield, can when sending data Effectively to mask some interference signals, when system is short-circuited, as the passage of short circuit current, sub-shield can play The effect of shielding electric field, thus reduce the probability that insulation breakdown occurs between cable inner core and core；Two conductors are coated on In fluoroplastics sheath, the outside of whole conductor is protected；The conductor of this cable is coated with the first half the most successively and leads Body layer, the first fluoroplastic insulation layer, the second semiconductor layer and sub-shield, this cable uses said structure design, has reached to change The purpose of the Electric Field Distribution of kind cable, cable conductor is formed by multiple conducting wires is stranded, is easily formed air gap between it and insulating barrier, by Rough in conductive surface, electric field can be caused to concentrate, in the middle of two semiconductor layers of conductor, add one layer of fluoroplastic insulation layer, make The conductor isoelectric level of two semiconductor layers, and with fluoroplastic insulation layer good contact, thus avoid at conductor and fluoroplastics The phenomenon of the shelf depreciation occurred between insulating barrier, reduces the probability that insulation breakdown occurs between cable inner core and core.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 shows for the structure of the symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding that this utility model embodiment provides It is intended to.

Reference:

11-conductor；12-the first semiconductor layer；13-the first fluoroplastic insulation layer；

14-the second semiconductor layer；15-sub-shield；16-fluoroplastics sheath.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, it should be noted that term " on ", D score, " vertically ", " interior ", " outward " etc. refer to The orientation shown or position relationship for based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and Simplify and describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration And operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " are only used for describing purpose, And it is not intended that indicate or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " connects " Should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be that machinery connects Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements The connection in portion.For the ordinary skill in the art, can understand that above-mentioned term is in this utility model with concrete condition Concrete meaning.

Embodiment 1

Fig. 1 shows for the structure of the symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding that this utility model embodiment provides It is intended to；As it is shown in figure 1, the symmetrical stranded High-temperature-reslow-noise low-noise cable of a kind of separated-shielding that the present embodiment provides, including: at least one pair of Conductor 11, described conductor 11 is coated in fluoroplastics sheath 16；

Described conductor 11 is coated with first semiconductor layer the 12, first fluoroplastic insulation layer 13 from the inside to the outside, the second half leads Body layer 14 and sub-shield 15.

Gap between described sub-shield 15 and fluoroplastics sheath 16 uses colloid substance to fill.

Described conductor 11 at least a pair, the present embodiment uses pair of conductors 11, it is also possible to set according to actually used demand It is set to multipair conductor 11, uses two-conductor line to arrange, the interference between each pair of wire can be reduced, and every couple of conductor is all made Stranded shape so that the heart yearn of cable is thinner, stable performance；Described conductor 11 is coated with the first quasiconductor the most successively Layer the 12, first fluoroplastic insulation layer the 13, second semiconductor layer 14 and sub-shield 15, owing to the conductor 11 of cable is by multiple conducting wires Stranded form, between conductor 11 and the first fluoroplastic insulation layer 13, there is air gap, cause conductor 11 rough, thus cause Electric field is concentrated, and the first fluoroplastic insulation layer 13 is arranged between the first semiconductor layer 12 and second semiconductor layer 14 of conductor 11, Make two between semiconductor layer and conductor, to be capable of isoelectric level, eliminate between conductor 11 and the first fluoroplastic insulation layer 13 Air gap；The outside of the second semiconductor layer 14 is also wrapped on sub-shield 15, and the current ratio passed through due to cable is relatively big, around electric current Can produce magnetic field, in order to not affect adjacent element, installing sub-shield 15 additional can be this electromagnetic-field-shielded in cable, separately Outward, it is also possible to play certain ground protection effect, if cable inner conductor 11 occurs breakage, the electric current leaked can edge Sub-shield 15 ground connection, play the effect of safeguard protection；Described conductor 11 is coated in fluoroplastics sheath 16, fluoroplastics sheath 16 effects that not only can play insulation, additionally it is possible to protection cable is the most mechanically damaged.

Further, described conductor 11 is multiply silver-plated soft copper conductor.

In described conductor 11 during indirect current, owing to Lenz's law produces Kelvin effect, the namely electric current of conductive surface Density, more than the electric current density of conductor, is equivalent to reduce the sectional area of conductor, thus substantially increases the resistance of conductor, So thus improve the conductive capability of conductor on the whole, use multiply silver-plated soft copper conductor so that it is have higher the most electric Stream ability, consumption copper is few and soft, easy-to-use.

Further, described first semiconductor layer the 12, first fluoroplastic insulation layer the 13, second semiconductor layer 14 and separated-shielding The cross section of layer 15 is annular.

The cross section of described conductor 11 is circular, first semiconductor layer the 12, first fluoroplastic insulation layer the 13, second semiconductor layer 14 and sub-shield 15 be coated on the outside of conductor 11 successively, be radially arranged along same with conductor 11, and with conductor 11 outside Portion's shape is identical, is circle, it is simple to conductor 11 transmits signal, and semiconductor layer improves Electric Field Distribution, and sub-shield 15 is permissible Make conductor 11 isoelectric level shielded, and carry out good contacting with the first fluoroplastic insulation layer 13, it is to avoid conductor 11 with The shelf depreciation occurred between first fluoroplastic insulation layer 13.

Further, the cross section of described fluoroplastics sheath 16 is oval ring.

Described conductor 11 includes at least one pair of, after the outside cladding multilamellar of conductor 11, then conductor 11 is coated on fluorine moulds In material sheath 16, the cross section of fluoroplastics sheath 16 is oval ring, to reach to keep the initial condition of conductor 11, it is simple to signal passes Defeated purpose, uses fluoroplastics material again to protect the outside of conductor 11.

Further, described first semiconductor layer the 12, second semiconductor layer 14 uses the structure around pouch-type or extrusion type.

Described first semiconductor layer 12 and the second semiconductor layer 14 points use around pouch-type or extrusion type semiconductive fluorubber material Matter, described fluorubber refers to the synthesis macromolecular elastomer on the carbon atom of main chain or side chain containing fluorine atom, owing to fluorine is former The introducing of son so that it is applied when this area, has the advantage that and imparts the excellent thermostability of rubber, non-oxidizability, resistance to Oiliness, corrosion resistance and resistance to weathering.

Further, described and sub-shield 15 is entwined by silver-plated soft copper conductor, is wound around coverage rate more than 90%.

The setting of described sub-shield 15, can avoid interfering between two conductors 11, contact with sheath, uses Time ground connection, the common interference shielding outer bound pair cable small-signal, it is ensured that to external world the reliability of signal disturbing shielding with have Effect property, it is achieved that the low noise characteristic of cable.Described sub-shield 15 is semiconductive shielding layer, and semiconductive shielding layer can shield Electromagnetic field, during by electric current, owing to current ratio is relatively big, can produce magnetic field, in order to not affect other element, install this additional around electric current Semiconductive shielding layer can be electromagnetic-field-shielded in cable, meanwhile, if there is breakage, the electricity leaked in cable core Stream can access earth mat along sub-shield 15, serves the effect of safeguard protection.

Further, described colloid substance is gel.

Described gel refers to the colloidal particle in colloidal sol or solution or macromolecule, interconnects under certain condition, is formed Space net structure, makes to be filled with the liquid as disperse medium in structural void, forms a kind of special dispersion, due to Gel does not has mobility, and internal often containing big quantity of fluid, such as blood clotting glue, the water content of agar is all up more than 99%, gel Can be divided into elastic gel and fragility gel, after elastic gel loses disperse medium, volume is reduced significantly, and when reuptaking dispersion During medium, volume expands again, and when fragility gel loses or reuptakes disperse medium, shape and volume do not change, institute To use colloid substance to fill, can reach good stability, the purpose that sealing is strong.

Further, the cross section of described fluoroplastics sheath 16 is annular.

The cross section of described fluoroplastics sheath 16 uses annular, this cable can be made to be more easily adapted to conform on various equipment, make The accommodative ability of environment of cable is strong.

Further, described colloid substance is PUR.

Described PUR is a kind of plastic binding agent, and it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product.

Further, described first fluoroplastic insulation layer 13 and fluoroplastics sheath 16 use the knot around pouch-type or extrusion type Structure.

Described first fluoroplastic insulation layer 13 and fluoroplastics sheath 16 are around pouch-type or extrusion type fluorubber material.Described One fluoroplastic insulation layer 13 and fluoroplastics sheath 16 all use fluoroplastics material to manufacture, and fluoroplastics are by fluorochemical monomer such as four Fluorothene, hexafluoropropene, CTFE, vinylidene, fluorothene, hexafluoro-isobutene, perfluoroalkyl vinyl ether and second The monomers such as alkene are prepared by homopolymerization or copolyreaction, and fluoroplastics are various in style, but with polytetrafluoroethyl-ne for pressing quantity and purposes Alkene purposes is most, owing to its fluorine carbon bond bond energy is the highest and the shielding action of fluorine atom, makes it apply when this area, has Advantages below: excellent resistance to chemical corrosion, dielectric properties, weather-resistant property and cannot not fire viscously, low-friction coefficient and relatively The performances such as wide use temperature range.

When this utility model uses, it is directly applied on the computer equipment of medical field, is then turned on power supply, made During with, conductor 11 is silver-plated conductor, and its solderability and antiseptic power are higher, and conductor 11 uses symmetrical stranded mode, carries High explosion-proof capabilities；The outside of conductor 11 is coated with first semiconductor layer the 12, first fluoroplastic insulation layer 13 successively, the second half leads Body layer 14 and sub-shield 15, install the first fluoroplastic insulation layer additional between the first semiconductor layer 12 and the second semiconductor layer 14 13 so that it is realize isoelectric level, it is also wrapped on sub-shield 15 in the outside of the second semiconductor layer 14, to the interference between conductor 11 Signal realizes shielding, also improves the capacity of resisting disturbance between cable simultaneously, and noise reduction capability is strong；Whole conductor 11 is coated on fluorine and moulds In material sheath 16, fluoroplastics sheath 16 uses oval ring, keeps the initial condition of conductor 11, makes the temperature that normally works of this cable Degree scope is-40 DEG C to+200 DEG C, and temperature adaptation ability is strong, is adapted to the environment that range of temperature is bigger, it is also possible to rise Effect to protection；Gap between sub-shield 15 and fluoroplastics sheath 16 uses gel-filled, makes the overall knot of cable Structure connects compact, good airproof performance, and anti-pressure ability is strong, it is to avoid damage.Therefore, when computer equipment uses this cable, can be right Data message transmits accurately, and meanwhile, server can feed back rapidly to the signal received.

The first embodiment above, the symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding described in the utility model, adopt Use at least one pair of conductor, and the outside of every conductor be all coated with the first semiconductor layer, the first fluoroplastic insulation layer, the second half Conductor layer and sub-shield, described the first semiconductor layer, the second semiconductor layer can effectively reduce cable owing to bending, shaking The noise produced under the extraneous factor effects such as dynamic, impact, variations in temperature, due to the reduction of noise, so that cable product itself Raw pulse signal is less than 5mv；The the first fluoroplastic insulation layer arranged, it is possible to achieve the isoelectric level between conductor, the second half The outside of conductor layer arranges sub-shield, can improve the capacity of resisting disturbance of cable, and interference the most to external world shields； This cable uses symmetrical stranded attachment structure, it is also possible to effective the raising resistance to compression of this cable, anti-vibration ability, and explosion-proof Ability；The outside of cable, as protective layer, is protected, is made this cable not be subject to by the outside suit fluoroplastics sheath of described conductor Damage, it is ensured that this cable remains able to normally use at a temperature of 200 DEG C, so that the overall performance of this cable is more Stable.

Embodiment 2

As the second embodiment of the present utility model, it is that the another kind to the first embodiment of this utility model is real Space between existing mode, i.e. sub-shield and fluoroplastics sheath uses PUR to fill, and the cross section of fluoroplastics sheath is adopted Design with annular.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of one of the present utility model, including: at least one pair of conductor 11, described conductor 11 are coated in fluoroplastics sheath 16；

Described conductor 11 is coated with first semiconductor layer the 12, first fluoroplastic insulation layer 13 from the inside to the outside, the second half leads Body layer 14 and sub-shield 15；

Gap between described sub-shield 15 and fluoroplastics sheath 16 uses PUR to fill.

The cross section of described fluoroplastics sheath 16 is annular.

Described PUR is a kind of plastic binding agent, and in certain temperature range, its physical state changes with temperature And change, and chemical characteristic is constant, it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product, applies when this area, has following excellent Point: product itself is solid, it is simple to pack, transport, store, solvent-free, pollution-free, nontoxic type and production technology simple, high Added value, bonding strength is big, speed is fast.

This utility model embodiment uses PUR to be filled with the space between sub-shield and fluoroplastics sheath, The overall structure making cable is compacter；The outside of conductor uses multilayer coating structure, the i.e. first semiconductor layer, the first fluoroplastic insulation Layer, the second semiconductor layer and sub-shield, the vibration resistance that can make cable is strong, and function of shielding is strong, thus reduces noise；Conductor Use at least a pair, and be symmetrical stranded mode, improve the explosion-proof capabilities of cable；The outside of conductor is also set with fluorine and moulds Material sheath, uses fluoroplastics to insulate so that the temperature adaptation ability of cable is strengthened, it is ensured that this cable is 200 DEG C of temperature Under can normally use, the scope of application also making this cable is the most extensive.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.Application of the present utility model be not limited to described above and industry, any utilization Technical characteristic of the present utility model solves the field of technical problem all can use the technical solution of the utility model.

Claims (10)

1. the symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding, it is characterised in that including: at least one pair of conductor (11), institute State conductor (11) to be coated in fluoroplastics sheath (16)；

The outside of described conductor (11) be coated with from the inside to the outside the first semiconductor layer (12), the first fluoroplastic insulation layer (13), Two semiconductor layers (14) and sub-shield (15)；

Gap between described sub-shield (15) and fluoroplastics sheath (16) uses colloid substance to fill.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described conductor (11) it is multiply silver-plated soft copper conductor.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1 and 2, it is characterised in that described the The cross section of semi-conductor layer (12), the first fluoroplastic insulation layer (13), the second semiconductor layer (14) and sub-shield (15) is circle Annular.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described fluoroplastics The cross section of sheath (16) is oval ring.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described the first half Conductor layer (12), the second semiconductor layer (14) use around pouch-type or the structure of extrusion type.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described and split screen Cover layer (15) to be entwined by silver-plated soft copper conductor, be wound around coverage rate more than 90%.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described glue Material is gel.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described fluoroplastics The cross section of sheath (16) is annular.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described jelly Matter is PUR.

The symmetrical stranded High-temperature-reslow-noise low-noise cable of separated-shielding the most according to claim 1, it is characterised in that described first Fluoroplastic insulation layer (13) and fluoroplastics sheath (16) use around pouch-type or the structure of extrusion type.