CN204463843U - A kind of high temperature resistant without sheath shielding installing wire - Google Patents
A kind of high temperature resistant without sheath shielding installing wire Download PDFInfo
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- CN204463843U CN204463843U CN201420867614.5U CN201420867614U CN204463843U CN 204463843 U CN204463843 U CN 204463843U CN 201420867614 U CN201420867614 U CN 201420867614U CN 204463843 U CN204463843 U CN 204463843U
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Abstract
The utility model relates to that a kind of high temperature resistant described electric wire comprises conductor without sheath shielding installing wire, and be coated on successively from inside to outside described conductor outward, for improving insulating barrier and the screen of the high temperature resistant and Acidity of Aikalinity of described electric wire; Wherein, described insulating barrier is polytetrafluoroethylene composite bed product, and the thickness of described insulating barrier is 0.6mm-1mm.Insulating barrier is polytetrafluoroethylene composite bed, and heatproof reaches 250 DEG C, is applicable to high temperature occasion; Screen adopts silver-gilt copper wire, has high temperature resistant, acid-proof alkaline, is applicable to harsher special occasions; The count of screen is more than or equal to 90%, has stronger anti-tampering shielding action; Conductor uses silver-gilt copper wire, and the thickness of silver coating is more than or equal to 5 μm, and this conductor has the features such as resistance to oxidation, high temperature resistant, easy welding, has higher operating characteristic than general zinc-plated or bare copper conductor.
Description
Technical field
The utility model relates to a kind of electric wire, particularly relates to a kind of high temperature resistant without sheath shielding installing wire.
Background technology
Along with the needs of social development, the use occasion of electric wire is more and more extensive, relates to the Special use occasions such as high temperature resistant, anti-tampering, while the performance requirement harshness of plant equipment product own, to the requirement as the matching used electric wire of auxiliary also corresponding raising.
The domestic electric wire for relating to the Special use occasion such as high temperature resistant, anti-tampering at present, generally uses bare copper conductor or tinned copper conductor, common insulating barrier and tin-coated copper braid shielded.It is lower to there is the resistance to temperature of insulating barrier in aforesaid way, can not use at harsher special occasions, and internal and external conductor is oxidizable, should not weld, the defects such as screen shield effectiveness is not good.
Therefore, need to improve the electric wire of prior art.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of high temperature resistant, resistance to acids and bases and has the high temperature resistant without sheath shielding installing wire of stronger anti-tampering shielding action.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of and high temperature resistantly shield installing wire without sheath, comprise conductor, and be coated on successively from inside to outside described conductor outer, for improving insulating barrier and the screen of the high temperature resistant and Acidity of Aikalinity of described electric wire; Wherein, described insulating barrier is polytetrafluoroethylene composite bed product, and the thickness of described insulating barrier is 0.6mm-1mm.
Described in the utility model high temperature resistant without in sheath shielding installing wire, described conductor is twisted by many silver-plated copper tow and forms.
Described in the utility model high temperature resistant without in sheath shielding installing wire, the diameter of described silver-gilt copper wire is 0.15mm-0.2mm, and the silver coating thickness of described silver-gilt copper wire is more than or equal to 5 μm.
Described in the utility model high temperature resistant without in sheath shielding installing wire, the thickness of described screen is 0.3mm-0.8mm.
Described in the utility model high temperature resistant without in sheath shielding installing wire, described screen is woven by many silver-gilt copper wires and forms.
Described in the utility model high temperature resistant without in sheath shielding installing wire, the diameter of described silver-gilt copper wire is 0.09mm, and the silver coating thickness of described silver-gilt copper wire is more than or equal to 5 μm.
Described in the utility model high temperature resistant without in sheath shielding installing wire, the count of described screen is more than or equal to 90%.
The utility model also provides a kind of high temperature resistant without sheath shielding installing wire, comprise conductor, and be coated on successively from inside to outside outside described conductor, for improving insulating barrier and the screen of the high temperature resistant and Acidity of Aikalinity of described electric wire, described conductor comprises center conductor and rounded arrangement is formed, and the outer contact be looped around outside described center conductor, described center conductor is twisted by least one silver-plated copper tow and forms, described outer contact is made up of the many rounded arrangements of silver-gilt copper wire, and be looped around outside described center conductor, between each adjacent described silver-gilt copper wire, periphery is tangent, wherein, the count of described screen is more than or equal to 90%, and described insulating barrier is polytetrafluoroethylene composite bed, and the thickness of described insulating barrier is 0.6mm-1mm.
Implement one of the present utility model high temperature resistant without sheath shielding installing wire, its beneficial effect is: first, conductor uses silver-gilt copper wire, and the thickness of silver coating is more than or equal to 5 μm, this conductor has the features such as resistance to oxidation, high temperature resistant, easy welding, has higher operating characteristic than general zinc-plated or bare copper conductor; Secondly, insulating barrier is polytetrafluoroethylene composite bed, and heatproof reaches 250 DEG C, is applicable to high temperature occasion; Again, screen adopts silver-gilt copper wire, has high temperature resistant, acid-proof alkaline, is applicable to harsher special occasions; Finally, the count of screen is more than or equal to 90%, has stronger anti-tampering shielding action.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the high temperature resistant cross section structure schematic diagram without sheath shielding installing wire of the utility model preferred embodiment.
Embodiment
Lower for its insulating barrier heatproof of electric wire relating to the Special use occasion such as high temperature resistant, anti-tampering in prior art, internal and external conductor is oxidizable, not easily weld, the defects such as screen shield effectiveness is not good, the utility model provides a kind of high temperature resistant without sheath shielding installing wire, conductor is prepared into by using silver-gilt copper wire, and the thickness of silver coating is more than or equal to 5 μm, this conductor has the features such as resistance to oxidation, high temperature resistant, easy welding, has higher operating characteristic than general zinc-plated or bare copper conductor; Insulating barrier is polytetrafluoroethylene composite bed, and heatproof reaches 250 DEG C, is applicable to high temperature occasion; Screen adopts silver-gilt copper wire, has high temperature resistant, acid-proof alkaline, is applicable to harsher special occasions; The count of screen is more than or equal to 90%, has stronger anti-tampering shielding action.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be understood that, specific embodiment described herein only for explaining the utility model, and is not used in restriction the utility model.
Fig. 1 is the high temperature resistant cross section structure schematic diagram without sheath shielding installing wire of the utility model preferred embodiment.High temperature resistant without sheath shielding installing wire comprise conductor 1, insulating barrier 2 and screen 3.Wherein, insulating barrier 2 is wrapped outside conductor 1, and screen 3 is wrapped outside insulating barrier 2, forms a wire thus.It is to be noted, electric wire of the present utility model does not need restrictive coating, an electric wire not at random can be realized at insulating barrier 2 and screen 3 coated lower, and the performance of this electric wire can not only reach the requirement that common occasion is suitable for, can also use in the occasion with higher operating characteristic, wire structure of the present utility model is simple, preparation technology simple, can enhance productivity widely, and reduce production cost.
Further, described insulating barrier 2 and screen 3 are for improving the high temperature resistant of described electric wire and Acidity of Aikalinity.In the utility model, described electric wire can the high temperature of resistance to 250 DEG C, is therefore applicable to various high temperature occasion.Electric wire of the present utility model, owing to having stronger acid-proof alkaline, therefore can use at the special occasions of harshness.
Particularly, insulating barrier 2 of the present utility model is polytetrafluoroethylene composite bed.Wherein, polytetrafluoroethylene composite bed comprises polytetrafluoroethylene 90-110 part, bronze powder 6-10 part, carbon fiber 2-5 part, anti-wear agent 3-8 part and reinforcing agent 4-8 part by mass fraction.Adding bronze powder can make the high temperature resistant temperature of insulating barrier 2 reach 250 DEG C; The material adding anti-wear agent is more high temperature resistant than common material, and anti-wear performance is very excellent, larger than common ptfe composite more than 5 times; Adding carbon fiber, to determine its product size very stable at high operating temperatures, therefore there will not be the phenomenon of insulation layer fails at high operating temperatures; Add reinforcing agent and make insulating barrier 2 closely gapless, make insulating barrier 2 splendid in high pressure conditions result of use.Be understandable that, common anti-wear agent and reinforcing agent during anti-wear agent of the present utility model and reinforcing agent all adopt industrial production to manufacture, do not do concrete restriction here.
Further; the thickness of insulating barrier 2 of the present utility model is 0.6mm-1mm; because the insulating barrier 2 be made up of ptfe composite has the feature of stronger high temperature resistant and resistance to wear; make the thickness of traditional polytetrafluoroethylene composite bed reach more than a times of insulating barrier 2 thickness described in the utility model, just can have the protected effect identical with insulating barrier 2 described in the utility model.Therefore, compared with conventional insulating layer, its thickness decreases half, does not affect the serviceability of electric wire while reducing electric wire weight.In the utility model, the thickness of insulating barrier 2 is preferably 0.8mm.
Further, conductor 1 of the present utility model is twisted by many silver-plated copper tow and forms.Traditional conductor adopts bare copper wire or tin-coated copper tow strand to form, and makes Inside and Outside of Conductor oxidizable and not easily welds, and conductor of the present utility model 1 adopts tinned copper wire relative to not easily oxidized traditional conductor and be convenient to welding.Particularly, conductor 1 in the present embodiment is twisted by 7 silver-plated copper tow and forms, and conductor 1 has circular cross section, wherein, a silver-gilt copper wire is positioned at the center of conductor 1, and 6 remaining silver-gilt copper wires are wound on the periphery being positioned at RC silver-gilt copper wire equably, thus forms the conductor 1 being roughly circumferential, the shape of cross section of the conductor 1 adopting 7 silver-gilt copper wire twistings to obtain close to full circle, Stability Analysis of Structures and the uniform force of every root silver-gilt copper wire; And making shaping conductor 1 surface-brightening, pitch even, conductor 1 external diameter rounding, evenly, without jumping silk, burr, fracture of wire, drawing-down phenomenon.Be appreciated that the quantity of silver-gilt copper wire is not limited to 7, in other embodiments, can designed, designed as required.
In addition, be different from blister copper silk of the prior art, the diameter of the silver-gilt copper wire that the utility model uses is 0.15mm-0.2mm, because the filament diameter of the silver-gilt copper wire in the utility model is less, the quantity of the blister copper silk that the quantity of the silver-gilt copper wire required for conductor 1 making same external diameter is used in prior art, like this can external force suffered by effective dispersed electric wire.Therefore, the electric conductivity of the utility model conductor 1 is strong, is not easy fracture, has stronger bend resistance ability, coming and going for millions of times after bending is moved can not rupture through exceeding without Hydrogen Brittleness Phenomena, so guarantee the physics of electric wire and electric property unaffected.In the present embodiment, the diameter for the silver-gilt copper wire being twisted into conductor 1 is preferably 0.18mm, the silver-gilt copper wire of this diameter can meet make electric wire under relatively high requirement quality minimally.
Further, the silver coating thickness of described silver-gilt copper wire is more than or equal to 5 μm, and particularly, the silver coating thickness of described silver-gilt copper wire is determined according to actual needs, but should consider the performance of conductor 1 and the cost of electric wire.
Further, screen 3 of the present utility model adopts many silver-gilt copper wire braidings to form, and count is more than or equal to 90%.The screen 3 of silver-gilt copper wire braiding is adopted to have high temperature resistant, resistance to acids and bases, be applicable to harsher special occasions, and the count of screen 3 reaches 90% or be greater than 90%, have stronger anti-tampering shielding action, its performance is obviously better than the screen of traditional tin-coated copper braiding.In the utility model, because screen 3 is positioned at the outermost layer of electric wire, can ensure that conductor 1 can not loosen by described screen 3, and larger change can not be there is because of loosening in the twisting pitch of conductor 1, stranded external diameter etc.In addition, adopt the screen 3 of silver-gilt copper wire braiding to have good pliability, make whole electric wire have extremely strong bend resistance ability, thus guarantee that the physical property of whole wire and electric property do not come and go by 1,000,000 times the impact bending motion.
Further, be 0.09mm for being woven into the diameter of the silver-gilt copper wire of screen 3, this tinned copper wire is different from blister copper silk of the prior art, because the filament diameter for the silver-gilt copper wire being woven into screen 3 in the utility model is less, the quantity of the blister copper silk that the quantity of the silver-gilt copper wire required for screen 3 making same external diameter is used in prior art, can improve the anti-tampering effect of screen 3 so effectively.Therefore, the pliability of the utility model screen 3 is good, makes whole electric wire have extremely strong bend resistance ability, thus guarantees that the physical property of whole wire and electric property do not come and go by 1,000,000 times the impact bending motion.
Further, be more than or equal to 5 μm for the silver coating thickness being woven into the silver-gilt copper wire of screen 3, particularly, the silver coating thickness of described silver-gilt copper wire is determined according to actual needs, but should consider the performance of screen 3 and the cost of electric wire.
The utility model also provides a kind of high temperature resistant without sheath shielding installing wire, this electric wire comprises conductor 1, and be coated on outside described conductor 1 from inside to outside successively, for improving insulating barrier 2 and the screen 3 of the high temperature resistant and Acidity of Aikalinity of described electric wire, described conductor 1 comprises center conductor 11 and rounded arrangement is formed, and the outer contact 12 be looped around outside described center conductor 11, described center conductor 11 is twisted by least one silver-plated copper tow and forms, described outer contact 12 is made up of the many rounded arrangements of silver-gilt copper wire, and be looped around outside described center conductor 11, between each adjacent described silver-gilt copper wire, periphery is tangent.
Further, the count of described screen 3 is more than or equal to 90%, and described insulating barrier 2 is polytetrafluoroethylene composite bed, and the thickness of described insulating barrier 2 is 0.6mm-1mm.
Preferably, in the present embodiment, outer contact 12 is made up of six roots of sensation silver-gilt copper wire, to ensure that the silver-gilt copper wire of outer contact 12 can be formed rounded configurations arrangement.Center conductor 11 can be made up of a silver-gilt copper wire, the six roots of sensation silver-gilt copper wire of outer contact 12 is looped around outside a silver-gilt copper wire, thus form the conductor 1 being roughly circumferential, the shape of cross section of the conductor 1 adopting seven silver-gilt copper wire twistings to obtain close to full circle, Stability Analysis of Structures and the uniform force of every root silver-gilt copper wire; And making shaping conductor 1 surface-brightening, pitch even, conductor 1 external diameter rounding, evenly, without jumping silk, burr, fracture of wire, drawing-down phenomenon.Be understandable that, the quantity of the silver-gilt copper wire of organization center conductor 11 and outer contact 12 can adjust according to actual needs, arranges as long as make outer contact 12 can form rounded configurations.
Utility model embodiment 1
Prepared by conductor: diameter is 0.12mm and the many silver-plated copper tow that silver coating thickness equals 5 μm are twisted into conductor 1; Extruded insulation layer: utilize extruder, extrudes a layer insulating 2 outside conductor 1; Lapped shielding layer: at the outer wrapped one deck screen 3 of insulating barrier 2.Wherein insulating barrier 2 adopts ptfe composite to make, and this ptfe composite comprises 90 parts of polytetrafluoroethylene, 10 parts of bronze powders, 4 parts of carbon fibers, 6 parts of anti-wear agents and 8 parts of reinforcing agents by mass fraction.Screen 3 is 0.09mm by diameter and many silver-gilt copper wires braiding that silver coating thickness equals 5 μm forms and count equals 90%.
Embodiment 2
Prepared by conductor: diameter is 0.12mm and the many silver-plated copper tow that silver coating thickness equals 6 μm are twisted into conductor 1; Extruded insulation layer: utilize extruder, extrudes a layer insulating 2 outside conductor 1; Lapped shielding layer: at the outer wrapped one deck screen 3 of insulating barrier 2.Wherein insulating barrier 2 adopts ptfe composite to make, and this ptfe composite comprises 90 parts of polytetrafluoroethylene, 6 parts of bronze powders, 4 parts of carbon fibers, 6 parts of anti-wear agents and 4 parts of reinforcing agents by mass fraction.Screen 3 is 0.09mm by diameter and many silver-gilt copper wires braiding that silver coating thickness equals 5 μm forms and count equals 91%.
Embodiment 3
Prepared by conductor: diameter is 0.12mm and the many silver-plated copper tow that silver coating thickness equals 8 μm are twisted into conductor 1; Extruded insulation layer: utilize extruder, extrudes a layer insulating 2 outside conductor 1; Lapped shielding layer: at the outer wrapped one deck screen 3 of insulating barrier 2.Wherein insulating barrier 2 adopts ptfe composite to make, and this ptfe composite comprises 110 parts of polytetrafluoroethylene, 6 parts of bronze powders, 5 parts of carbon fibers, 3 parts of anti-wear agents and 6 parts of reinforcing agents by mass fraction.Screen 3 is 0.09mm by diameter and many silver-gilt copper wires braiding that silver coating thickness equals 5 μm forms and count equals 95%.
Embodiment 4
Prepared by conductor: diameter is 0.12mm and the many silver-plated copper tow that silver coating thickness equals 8 μm are twisted into conductor 1; Extruded insulation layer: utilize extruder, extrudes a layer insulating 2 outside conductor 1; Lapped shielding layer: at the outer wrapped one deck screen 3 of insulating barrier 2.Wherein insulating barrier 2 adopts ptfe composite to make, and this ptfe composite comprises 100 parts of polytetrafluoroethylene, 8 parts of bronze powders, 2 parts of carbon fibers, 8 parts of anti-wear agents and 4 parts of reinforcing agents by mass fraction.Screen 3 is 0.09mm by diameter and many silver-gilt copper wires braiding that silver coating thickness equals 6 μm forms and count equals 95%.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (8)
1. one kind high temperature resistant without sheath shielding installing wire, it is characterized in that, comprise conductor (1), and be coated on successively from inside to outside described conductor (1) outward, for improving insulating barrier (2) and the screen (3) of the high temperature resistant and Acidity of Aikalinity of described electric wire; Wherein, described insulating barrier (2) is polytetrafluoroethylene composite bed product, and the thickness of described insulating barrier (2) is 0.6mm-1mm.
2. according to claim 1ly high temperature resistantly to it is characterized in that without sheath shielding installing wire, described conductor (1) is twisted by many silver-plated copper tow and forms.
3. according to claim 2 high temperature resistant without sheath shielding installing wire, it is characterized in that, the diameter of described silver-gilt copper wire is 0.15mm-0.2mm, and the silver coating thickness of described silver-gilt copper wire is more than or equal to 5 μm.
4. according to claim 1 high temperature resistant without sheath shielding installing wire, it is characterized in that, the thickness of described screen (3) is 0.3mm-0.8mm.
5. according to claim 1ly high temperature resistantly to it is characterized in that without sheath shielding installing wire, described screen (3) is woven by many silver-gilt copper wires and forms.
6. according to claim 5 high temperature resistant without sheath shielding installing wire, it is characterized in that, the diameter of described silver-gilt copper wire is 0.09mm, and the silver coating thickness of described silver-gilt copper wire is more than or equal to 5 μm.
7. according to claim 6 high temperature resistant without sheath shielding installing wire, it is characterized in that, the count of described screen (3) is more than or equal to 90%.
8. one kind high temperature resistant without sheath shielding installing wire, it is characterized in that, comprise conductor (1), and be coated on described conductor (1) from inside to outside successively outward, for improving insulating barrier (2) and the screen (3) of the high temperature resistant and Acidity of Aikalinity of described electric wire, described conductor (1) comprises center conductor (11) and rounded arrangement is formed, and be looped around described center conductor (11) outer contact outward (12), described center conductor (11) is twisted by least one silver-plated copper tow and forms, described outer contact (12) is made up of the many rounded arrangements of silver-gilt copper wire, and be looped around described center conductor (11) outward, between each adjacent described silver-gilt copper wire, periphery is tangent, wherein, the count of described screen (3) is more than or equal to 90%, and described insulating barrier (2) is polytetrafluoroethylene composite bed, and the thickness of described insulating barrier (2) is 0.6mm-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867614.5U CN204463843U (en) | 2014-12-31 | 2014-12-31 | A kind of high temperature resistant without sheath shielding installing wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867614.5U CN204463843U (en) | 2014-12-31 | 2014-12-31 | A kind of high temperature resistant without sheath shielding installing wire |
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| CN204463843U true CN204463843U (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810282A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | High temperature resistance unsheathed shielding mounting wire and manufacturing method thereof |
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2014
- 2014-12-31 CN CN201420867614.5U patent/CN204463843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810282A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | High temperature resistance unsheathed shielding mounting wire and manufacturing method thereof |
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