CN202662332U - Magnetometric cable - Google Patents
Magnetometric cable Download PDFInfo
- Publication number
- CN202662332U CN202662332U CN 201220235444 CN201220235444U CN202662332U CN 202662332 U CN202662332 U CN 202662332U CN 201220235444 CN201220235444 CN 201220235444 CN 201220235444 U CN201220235444 U CN 201220235444U CN 202662332 U CN202662332 U CN 202662332U
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- CN
- China
- Prior art keywords
- conductor
- layer
- cable
- tinned copper
- pair twist
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a magnetometric cable, which comprises conductors, wherein each conductor is formed by stranding a plurality of tinned copper conductors; pulling and tearing preventive and modified silicon rubber insulating layers are extruded from the conductors to form insulated cores; each five insulated cores are stranded into a pair twisting group; polyester tapes and tinned copper wire braids wrap each pair twisting group to form a unit shielding layer; a lapping layer consisting of polyester tapes wraps each unit shielding layer; after being wrapped by the lapping layers, one or a plurality of pair twisting groups is or are sequentially arranged to form a cable core; and a wrapping tape layer, an inner sheath layer and an outer sheath layer wrap the cable core, the inner sheath layer is made from pulling and tearing preventive and modified silicon rubber in an extrusion moulding manner, and the outer sheath layer is made from butyronitrile in an extrusion moulding manner. The magnetometric cable is waterproof, moisture-proof, odorless and non-toxic, and is low in near-end crosstalk attenuation, excellent in anti-interference performance, low in structural return loss and high in heat resistance, cold resistance and corrosion resistance.
Description
Technical field:
The utility model relates to the electric wire field, relates in particular to a kind of magnet measurement cable.
Background technology:
The structure of magnet measurement cable: in copper conductor, insulating barrier, (screen), restrictive coating etc. are arranged.The structure of such cable of tradition belongs to control cables, tool is unobvious at cross-talk, interference free performance, simultaneously because the synthetic rubber that insulating barrier and restrictive coating adopt, can not satisfy the specific (special) requirements such as cold resistance, corrosion resistance, the odorless of waterproof and dampproof, thermal endurance and excellent evaporation capacity is nontoxic.
At present, along with the development of science and technology with product is laid the reinforcement of the specific (special) requirements of environment, the material that forces cable factory's commercialization to meet specific (special) requirements replaces traditional material, produce cable and have in the characteristic such as waterproof and dampproof, cross-talk, anti-interference, thermal endurance, cold resistance, odorless be nontoxic, guarantee safety in utilization.But the material that uses at present is difficult to satisfy fully above-mentioned requirements.
The utility model content
The utility model purpose provides a kind of magnet measurement cable, make it have waterproof and dampproof, cross-talk, anti-interference, thermal endurance, cold resistance, nontoxic, the anti-bending of odorless, environmental protection and the characteristic such as soft, adapting to the place rugged environments such as the operation of river sea, boats and ships, nuclear power, nuclear-powered submarine, Aero-Space, and can have safety in utilization.
The utility model is achieved through the following technical solutions:
Magnet measurement cable, comprise conductor, it is characterized in that: described conductor adopts many tinned copper conductor lay configuration, extrude tension at conductor and tear modified-silicon-rubber insulation layer formation insulated wire cores, per 5 thoroughly do away with the edge core is twisted into the pair twist group, be surrounded with polyester belt and tinned copper wire braiding formation unit screen in the pair twist group, the unit screen is surrounded with the lapping layer that polyester belt consists of outward, one or more pair twist groups behind the parcel lapping layer are arranged the formation cable core in order, and cable core is surrounded with belting layer outward, tension is torn the inner restrictive coating of modified silicon rubber extrusion moulding, the butyronitrile extrusion moulding forms external sheath layer.
Described magnet measurement cable is characterized in that: described conductor is the bundle of the tinned copper wire structure that tangles, and the stranded lay ratio of conductor is 14～25, and the filament diameter of tinned copper wire is 0.20～0.25mm, and the single wire fracture percentage elongation is not less than 15%.
Described magnet measurement cable is characterized in that: described cross-sectional area of conductor is at 1.0～4mm
2
Described magnet measurement cable is characterized in that: the logarithm of described pair twist group is 1～12.
Rated voltage of the present utility model is 0.6/1kV and following.
Compare with existing technology, the utility model beneficial effect is embodied in:
1, the utility model conductor has adopted tinned copper conductor, compares with bare copper conductor, has resistance to oxidation, prevents that cable joint place resistance from becoming large and heating causes security incident.
2, the utlity model has higher flexibility, bending radius is 6 times of the outside diameter of cable, is conducive to cable laying and installs;
3, finished cable temperature resistant grade of the present utility model reaches 180 ℃, has improved ampacity and the cable overload capacity of cable;
4, the utility model adopts different pitch pair twist group core structures, can greatly improve the anti-cross-talk effect of product;
5, the utility model adopts unit shielding insulation layer structure, can greatly improve the interference free performance of product;
6, the utility model adopts sheath outside screen, has reduced product structure return loss;
7, insulation and inner sheath have adopted the import tension to tear the modified silicon rubber material, and this material has:
(1) this material has the broadest serviceability temperature, and the characteristics that can use continuously under different temperatures, and silastic material is because the particularity of molecular structure, 200 ℃ of material temperature resistant grades, and minimum serviceability temperature is-90 ℃.
(2) this material has anti-ozone aging, oxygen aging, light aging and atmospheric aging excellent performance, its rubber place outdoor tan by the sun several years after, performance is almost unchanged.
(3) special surface property, this material hydrophobic performance is excellent, and not sticking to many materials.
(4) this material is after long-term storage, and water absorption is no more than 0.015%, and without the effect of growing, mildew resistance is good to various algae and mould.Therefore, the applicable torrid zone of electric wire, the humid tropics made of its use, and have the characteristics such as fire-retardant, anti-irradiation, oil resistant, corrosion-resistant and environmental protection.
(5) this material thermal conductivity is good; Be 2 times of General Purpose Rubber, effectively improved the ampacity of electric wire.
(6) this material air penetrability is large more tens of to hundreds of times than General Purpose Rubber, and the permeability of gas with various is more or less the same.
(7) odorless is nontoxic, and biologically inert is good
8, the utility model cable is put into airtight water receptacle, applies 3 atmospheric pressure (24 hours), and the cable two ends are anhydrous to be oozed out.
9, insulation of the present utility model and sheath material satisfy the performance requirements such as low cigarette, Halogen, fire-retardant and heatproof.
10, enhancement layer of the present utility model can effectively protect the insulation of product and inner sheath to improve mechanical performance.
Description of drawings
Fig. 1 is 1 pair of 5 core group magnet measurement cable structural representation of the utility model.
Fig. 2 is 3 pairs of 5 core group magnet measurement cable structural representations of the utility model.
Fig. 3 is 7 pairs of 5 core group magnet measurement cable structural representations of the utility model.
Embodiment:
Referring to accompanying drawing 1:
Magnet measurement cable, comprise conductor 1, conductor 1 adopts many tinned copper conductor lay configuration, extrude tension at conductor 1 and tear modified-silicon-rubber insulation layer 2 formation insulated wire cores, per 5 thoroughly do away with the edge core is twisted into the pair twist group, be surrounded with polyester belt and tinned copper wire braiding formation unit screen 3 in the pair twist group, the screen 3 outer polyester belts that are surrounded with in unit consist of lapping layer 4, one or more pair twist groups behind the parcel lapping layer 4 are arranged the formation cable core in order, and cable core is surrounded with belting layer 5 outward, tension is torn the inner restrictive coating 6 of modified silicon rubber extrusion moulding, the butyronitrile extrusion moulding forms external sheath layer 7.
The logarithm of pair twist group is 1～12, and the pair twist group switching centre also is provided with filled core 8, helps to improve structural compactness.
Claims (4)
1. magnet measurement cable, comprise conductor, it is characterized in that: described conductor adopts many tinned copper conductor lay configuration, extrude tension at conductor and tear modified-silicon-rubber insulation layer formation insulated wire cores, per 5 thoroughly do away with the edge core is twisted into the pair twist group, be surrounded with polyester belt and tinned copper wire braiding formation unit screen in the pair twist group, the unit screen is surrounded with the lapping layer that polyester belt consists of outward, one or more pair twist groups behind the parcel lapping layer are arranged the formation cable core in order, and cable core is surrounded with belting layer outward, tension is torn the inner restrictive coating of modified silicon rubber extrusion moulding, the butyronitrile extrusion moulding forms external sheath layer.
2. magnet measurement cable according to claim 1 is characterized in that: described conductor is the bundle of the tinned copper wire structure that tangles, and the stranded lay ratio of conductor is 14～25, and the filament diameter of tinned copper wire is 0.20～0.25mm, and the single wire fracture percentage elongation is not less than 15%.
3. magnet measurement cable according to claim 1, it is characterized in that: described cross-sectional area of conductor is at 1.0～4mm
2
4. magnet measurement cable according to claim 1, it is characterized in that: the logarithm of described pair twist group is 1～12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235444 CN202662332U (en) | 2012-05-24 | 2012-05-24 | Magnetometric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235444 CN202662332U (en) | 2012-05-24 | 2012-05-24 | Magnetometric cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662332U true CN202662332U (en) | 2013-01-09 |
Family
ID=47457220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220235444 Expired - Lifetime CN202662332U (en) | 2012-05-24 | 2012-05-24 | Magnetometric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485161A (en) * | 2014-12-22 | 2015-04-01 | 特变电工(德阳)电缆股份有限公司 | Oil-proof and dragging-resistant coiled control cable |
| CN105118550A (en) * | 2015-08-28 | 2015-12-02 | 江苏中煤电缆有限公司 | High flexibility magnet measuring cable |
-
2012
- 2012-05-24 CN CN 201220235444 patent/CN202662332U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485161A (en) * | 2014-12-22 | 2015-04-01 | 特变电工(德阳)电缆股份有限公司 | Oil-proof and dragging-resistant coiled control cable |
| CN105118550A (en) * | 2015-08-28 | 2015-12-02 | 江苏中煤电缆有限公司 | High flexibility magnet measuring cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term |