CN105047279A - Computer cable - Google Patents
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- CN105047279A CN105047279A CN201510528636.8A CN201510528636A CN105047279A CN 105047279 A CN105047279 A CN 105047279A CN 201510528636 A CN201510528636 A CN 201510528636A CN 105047279 A CN105047279 A CN 105047279A
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Abstract
The invention relates to a computer cable, which mainly comprises two insulated wire core group units, wherein each insulator wire core group unit comprises conductors, a first flame retardant coating and an insulating layer from inside to outside; a taping layer and a separating and shielding layer are sequentially arranged outside each insulated wire core group unit from inside to outside; the two insulated wire core group units and the corresponding taping layers and separating and shielding layers form two cable cores; a filling layer is arranged between the two cable cores; and a second flame retardant coating, a water-blocking polyester tape, a master screening layer, a water-blocking taping layer, a high-flame-retardant oxygen-isolating waterproof layer and a coating layer are sequentially arranged outside the two cable cores and the filling layer from inside to outside. The computer cable is low in smoke density during combustion; no a corrosive gas escapes; no harmful halogen acid substance is generated; and the computer cable can be prevented from being bit by white ants and mice, and simultaneously has a plurality of properties such as radial and axial water resistance, high flame resistance and fire resistance.
Description
Technical field
The present invention relates to field of cable technology, specifically a kind of computer cable.
Background technology
At present, computer cable is mainly used in the distributing system of the industrial and mining enterprises such as electric power, metallurgy, chemical industry, electronic computer system, the Signal transmissions of automated system and the occasion such as detecting instrument, instrument, the computer cable that market is sold has low smoke zero halogen computer cable, anti-ant or protection against rodents computer cable, waterproof machine cable, flame retardant computer cable, fireproof computer cable, flame-retardant computer cable etc., the main security performance of these cables is dull, can not adapt to have two and above security performance needs; Require that cable has high-environmental performance at the important area of the public arena that personnel relatively concentrate and industrial and mining enterprises, these regions are also the places that termite or mouse wreak havoc simultaneously, require that cable has ant-proof mouse-proof performance, the place that personnel concentrate also requires that cable can ensure to run a period of time when a fire, the personnel of guarantee have enough time to escape, water or steam is more or less had to exist in the cable passage in above-mentioned place, require that cable has good block-water performance, the cable with single security performance being applied to above-mentioned place thus can not ensure safe operation.Low smoke and zero halogen anti-ant mouse water proof fire retardant fireproof computer cable, its material is not halogen-containing, can delay during burning to catch fire, reduce flame propagation velocity, and after leaving external flame, himself combustion flame can rapid self-extinguish and the flue dust produced is less and have the electric wire stoping or delay propagation of flame.A large amount of smog and corrosive gas can be discharged during the burning of non-flame resistant control cables, valuable electronic instrument and equipment can be damaged, have a strong impact on withdrawing of fire-fighting and rescue and Field Force, the casualties caused and to the secondary harm of electric equipment much larger than fire itself.
Summary of the invention
For overcoming the defect of prior art, the object of the present invention is to provide a kind of computer cable producing less smog when possessing high-environmental performance, high flame resistance, burning and do not produce the axial block-water performance in harmful halogen acid gas, outstanding ant-proof mouse-proof performance, excellent fire resistance and good footpath.
Technical solution of the present invention is:
A kind of computer cable, mainly comprise two insulated wire cores group unit, described each insulated wire cores group unit from inside to outside by insulated wire cores by conductor, a flame retardant coating and insulating barrier composition, the outside of described insulated wire cores group unit is provided with belting layer and sub-shield all from inside to outside successively, described two insulated wire cores group unit form two cable cores jointly with corresponding belting layer and sub-shield, packed layer is provided with between described two cable cores, the outside of described two cable cores and packed layer is provided with No. two flame retardant coatings from inside to outside successively, block water polyester belt, total screen, block water belting layer, high flame retardant oxygen barrier watertight composition, jacket layer.
A described flame retardant coating and No. two flame retardant coatings are synthesis fluorophlogopite belt.
Described insulating barrier is low smoke halogen-free flame-retardant polyolefin insulating barrier.
Described watertight composition is high flame retardant oxygen barrier watertight composition.
Described jacket layer is low smoke and zero halogen rat-and-ant proof polyolefin sheath layer.
Conductor adopts the tin-coated copper core conductor of the 5th class, the corrosion of moisture content and other harmful substance can be prevented, packed layer and the belting layer that blocks water adopt block water polyester yarn and the polyester belt that blocks water, its water absorption capacity is more than 50ml/g, a flame retardant coating and No. two flame retardant coatings adopt synthesis fluorophologopite carrying material, it is not containing the crystallization water, there is excellent resistance to elevated temperatures and flame resistance energy, fusing point is 1375 DEG C, cable can be made to reach the fire-resistant level of A level 950 ~ 1000 DEG C, jacket layer adopts resistant environmental low-smoke halogen-free flame anti-ant mouse polyolefine material, this material adopts the termite-resistant rodent-resistant repellant extracted from multiple natural plants, add in cable sheath material after repeatedly compound, cable jacket is made to contain a kind of specific peculiar smell, contact is detested and rejected because its sense of smell is upset after mouse ant class animal contact cable, also can send impalpable information to colony and produce population effect simultaneously, thus reach protection cable not by the object that mouse ant is destroyed.
The invention has the beneficial effects as follows:
When the present invention is burnt, smoke density is very low, and non-corrosiveness gas is overflowed, and also do not produce harmful hydracid material, termite-proof and mouse bites, and possesses the axial waterproof in footpath, high flame retardant and the multiple performance such as fire-resistant simultaneously; In addition the present invention also has high energy-saving environment protection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
As shown in Figure 1, a kind of computer cable, mainly comprise two insulated wire cores group unit, described each insulated wire cores group unit from inside to outside by insulated wire cores by conductor 1, a flame retardant coating 2 and insulating barrier 3 form, the outside of described insulated wire cores group unit is provided with belting layer 4 and sub-shield 5 all from inside to outside successively, described two insulated wire cores group unit form two cable cores jointly with corresponding belting layer 4 and sub-shield 5, packed layer 6 is provided with between described two cable cores, the outside of described two cable cores and packed layer 6 is provided with No. two flame retardant coatings 7 from inside to outside successively, block water polyester belt 8, total screen 9, block water belting layer 10, high flame retardant oxygen barrier watertight composition 11, jacket layer 12.
A described flame retardant coating 2 and No. two flame retardant coatings 7 are synthesis fluorophlogopite belt.
Described insulating barrier 4 is low smoke halogen-free flame-retardant polyolefin insulating barrier.
Described watertight composition 11 is high flame retardant oxygen barrier watertight composition.
Described jacket layer 12 is low smoke and zero halogen rat-and-ant proof polyolefin sheath layer.
Embodiment, non-limiting examples is as described below:
Embodiment: conductor 1 adopts the soft tinned copper wire of multiply of the 5th class formation to be twisted into conductor wire core, conductor is produced through following step: wire drawing-zinc-plated-synnema of annealing, and first carries out synnema, 1mm for conductor structure
2with monofilament maximum gauge in lower conductor for 0.21mm, 1.5-2.5mm
2in conductor, monofilament maximum gauge is 0.26mm.A flame retardant coating 2 adopts synthesis fluorophlogopite belt, at the overlapping wrapped two stratus master tapes of conductive surface, the rate of putting up controls between 20 ~ 30%, insulating barrier 3 adopts low smoke halogen-free flame-retardant polyolefin, production process has been produced on SJ45 plastic extruding machine, tubular molding tool is adopted to extrude, its extrusion temperature is different according to the difference of warm area, body temperature controls at 100 ± 10 DEG C, head temperature controls at 125 ± 5 DEG C, die temperature controls at 120 ± 5 DEG C, and can carry out suitable adjustment according to the difference of extrusion equipment and material, winter differs 5 ~ 10 DEG C with summer.Belting layer 4 adopts halogen-free flame-retardant glass fiber band, and production form adopts overlapping wrapped, and the rate of putting up is not less than 15%, and main rising tightens twisted pair wire group.The production process of sub-shield 5 completes on 16 ingot braiding machines, and count, between 30 ~ 60 degree, controls more than 80% by regulating braiding angle or lay of braiding by braiding angle general control.The packed layer 6 of polyester yarn of blocking water guarantees cable roundness.No. two flame retardant coatings 7 and polyester belt 8 production form that blocks water adopt overlapping wrapped, and the rate of putting up is not less than 15%.The production process of total screen 9 of proof copper-wire braided completes on braiding machine, according to external diameter size, selects different braiding machine.Count, between 30 ~ 60 degree, controls more than 80% by regulating braiding angle or lay of braiding by braiding angle general control.Belting layer 10 production form that blocks water adopts overlapping wrapped, and the rate of putting up is not less than 15%, strengthens water-proof function further and the total shielding of isolation and outer jacket.The mode that high flame retardant oxygen barrier watertight composition 11 adopts high flame resistance, low smoke halogen-free polyolefin to extrude is produced, and its extrusion way is for squeezing tubular type.Restrictive coating 12 adopts low-smoke non-halogen flame-retardant rat-and-ant proof polyolefin sheath layer, also tubular molding tool is adopted to extrude, extrusion temperature is different according to the difference of warm area, body temperature controls at 115 ± 10 DEG C, head temperature controls at 140 ± 10 DEG C, die temperature controls at 130 ± 5 DEG C, and can carry out suitable adjustment according to the difference of extrusion equipment and material, winter differs 5 ~ 10 DEG C with summer.Production equipment can adopt different sheathing machines to produce according to the size of the outside diameter of cable: external diameter is at the use SJ90 extruder of below 35mm, and external diameter is at the use SJ120 extruder of more than 35mm.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed the present invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (5)
1. a computer cable, mainly comprise two insulated wire cores group unit, it is characterized in that: described each insulated wire cores group unit from inside to outside by insulated wire cores by conductor (1), a flame retardant coating (2) and insulating barrier (3) composition, the outside of described insulated wire cores group unit is provided with belting layer (4) and sub-shield (5) all from inside to outside successively, described two insulated wire cores group unit form two cable cores jointly with corresponding belting layer (4) and sub-shield (5), packed layer (6) is provided with between described two cable cores, the outside of described two cable cores and packed layer (6) is provided with No. two flame retardant coatings (7) from inside to outside successively, block water polyester belt (8), total screen (9), block water belting layer (10), high flame retardant oxygen barrier watertight composition (11), jacket layer (12).
2. a kind of computer cable according to claim 1, is characterized in that: a described flame retardant coating (2) and No. two flame retardant coatings (7) are synthesis fluorophlogopite belt.
3. a kind of computer cable according to claim 1, is characterized in that: described insulating barrier (4) is low smoke halogen-free flame-retardant polyolefin insulating barrier.
4. a kind of computer cable according to claim 1, is characterized in that: described watertight composition (11) is high flame retardant oxygen barrier watertight composition.
5. a kind of computer cable according to claim 1, is characterized in that: described jacket layer (12) is low smoke and zero halogen rat-and-ant proof polyolefin sheath layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528636.8A CN105047279A (en) | 2015-08-21 | 2015-08-21 | Computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528636.8A CN105047279A (en) | 2015-08-21 | 2015-08-21 | Computer cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105047279A true CN105047279A (en) | 2015-11-11 |
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ID=54453754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510528636.8A Pending CN105047279A (en) | 2015-08-21 | 2015-08-21 | Computer cable |
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| Country | Link |
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| CN (1) | CN105047279A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742718A (en) * | 2019-01-14 | 2019-05-10 | 胡林斌 | A kind of resistance to oxidation cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0644831A (en) * | 1992-07-23 | 1994-02-18 | Hitachi Cable Ltd | Interface cable for computer |
| CN201904132U (en) * | 2010-12-09 | 2011-07-20 | 安徽安邦控制***有限公司 | Computer cable |
| CN202102780U (en) * | 2011-06-08 | 2012-01-04 | 江苏圆通电缆有限公司 | Rat-and-ant proof low smoke zero halogen fireproof computer cable |
| CN102543286A (en) * | 2012-02-15 | 2012-07-04 | 安徽华星电缆集团有限公司 | Low-smoke zero-halogen termite-proof rat-proof flame-retardant and fire-proof control cable |
| CN204834109U (en) * | 2015-08-21 | 2015-12-02 | 安徽华星电缆集团有限公司 | Computer cable |
-
2015
- 2015-08-21 CN CN201510528636.8A patent/CN105047279A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0644831A (en) * | 1992-07-23 | 1994-02-18 | Hitachi Cable Ltd | Interface cable for computer |
| CN201904132U (en) * | 2010-12-09 | 2011-07-20 | 安徽安邦控制***有限公司 | Computer cable |
| CN202102780U (en) * | 2011-06-08 | 2012-01-04 | 江苏圆通电缆有限公司 | Rat-and-ant proof low smoke zero halogen fireproof computer cable |
| CN102543286A (en) * | 2012-02-15 | 2012-07-04 | 安徽华星电缆集团有限公司 | Low-smoke zero-halogen termite-proof rat-proof flame-retardant and fire-proof control cable |
| CN204834109U (en) * | 2015-08-21 | 2015-12-02 | 安徽华星电缆集团有限公司 | Computer cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742718A (en) * | 2019-01-14 | 2019-05-10 | 胡林斌 | A kind of resistance to oxidation cable |
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Application publication date: 20151111 |