CN205789192U - A kind of ultralow temperature instrumentation control cable - Google Patents
A kind of ultralow temperature instrumentation control cable Download PDFInfo
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- CN205789192U CN205789192U CN201620204271.3U CN201620204271U CN205789192U CN 205789192 U CN205789192 U CN 205789192U CN 201620204271 U CN201620204271 U CN 201620204271U CN 205789192 U CN205789192 U CN 205789192U
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- layer
- polyimide film
- control cable
- ultralow temperature
- instrumentation control
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Abstract
This utility model provides a kind of ultralow temperature instrumentation control cable, including 2～12 pairs of pair twist core groups, gap filling layer and outer layer；Described pair twist core group includes conductor, insulating barrier and polyimide film layer the most successively；Described gap filling layer is aramid fiber yarn；Described outer layer includes the first polyimide film tape, the first braid, the second polyimide film tape, high-voltage insulation layer, the 3rd polyimide film tape, the second braid and crosslinked polyethylene sheath the most successively.A kind of ultralow temperature instrumentation control cable that this utility model provides, is detected as under low temperature environment, and cable does not ftractures with lower jacket at 200 DEG C, and signal transmission is normal, without short circuit punch-through, compensate for the vacancy of technology.
Description
Technical field
This utility model relates to communication technical field, particularly relates to a kind of ultralow temperature instrumentation control cable.
Background technology
Instrumentation control cable refers to for transmitting signal between the heart in the controlling and each system or controlling the cable system of operation
Claiming, in detail, the major function of cable is to connect relay, chopper, pointer instrument and signal lights, switchgear, report
Police and locking system etc..In prior art, general large scale system or other system, all use tradition polyvinyl chloride insulation to control
Cable and signal cable.But, due to the extensive application of light current and computer network, the comprehensive automation of modern construction,
High accuracy controls or uses the extensive requirement of environment, and selection and application to cable propose new functional requirement.Wherein, in superconduction
Work station, the storage of liquefied natural gas (LNG), carries or transports and be required to a kind of special cable, and this cable needs is at-200 DEG C
Following working at ultra-low temperature environment can normally work, in the most existing cable, and only can be-40～-60 DEG C
The instrumentation control cable of work, the instrumentation control cable of ultralow temperature yet there are no, and it is urgently to be resolved hurrily that this is also always cable industry
Problem.
Utility model content
In place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of ultralow temperature instrument to control
Cable, it is intended to solve the problem of this block technological gap in prior art.
In order to achieve the above object, this utility model takes techniques below scheme:
A kind of ultralow temperature instrumentation control cable, including 2～12 pairs of pair twist core groups, gap filling layer and outer layer；
Described pair twist core group includes conductor, insulating barrier and polyimide film layer the most successively；
Described gap filling layer is aramid fiber yarn；
Described outer layer includes that the first polyimide film tape, the first braid, the second polyimides are thin the most successively
Film strips, high-voltage insulation layer, the 3rd polyimide film tape, the second braid and crosslinked polyethylene sheath.
Further, described conductor is silver-plated or tin plating stranded soft copper silk, and specification is average line rule 30～16；Described strand
Closing every filament diameter of soft copper silk is 0.10～0.16mm, and total quantity is 7～65, restraints strand in the same direction, twists to for left-hand, lay ratio
It it is 15～25 times.
Further, described conductor is coated with insulating barrier, and described twisted pair wire core group includes being coated with insulation described in 2
The conductor of layer, the pair twist lay ratio of described twisted pair wire core group is 8～30 times, and the pair twist strand of described twisted pair wire core group is to for left
To.
Further, the thickness of described polyimide film layer is 0.1～0.8mm.
Further, described crosslinked polyethylene jacket thickness is 1.0～2.5mm.
Beneficial effect: a kind of ultralow temperature instrumentation control cable that this utility model provides, is detected as under low temperature environment, cable
Not ftractureing with lower jacket at-200 DEG C, signal transmission is normal, without short circuit punch-through.Ultralow temperature instrument of the present utility model controls
Cable mainly uses the silver-plated or tin plating flexible conductor having anticorrosive electric conductivity high can normally make below-200 DEG C with having
With and the high polyimide material composition insulated wire cores of insulating properties, and through pair twist, stranding, weave, extrude high-voltage insulation layer etc.
Operation is produced has ultra-wide use operating temperature range and electric conductivity height, has anti-high pressure, and shielding properties is superior, and cable is soft
The ultralow temperature instrumentation control cable of the features such as soft easy laying installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of ultralow temperature instrumentation control cable of the present utility model.
Shown in figure: 1, conductor；2, insulating barrier；3, polyimide film layer；4, gap filling layer；5, the first polyimides
Film strip；6, the first braid；7, the second polyimide film tape；8, high-voltage insulation layer；9, the 3rd polyimide film tape；
10, the second braid；11, crosslinked polyethylene sheath.
Detailed description of the invention
This utility model provides a kind of ultralow temperature instrumentation control cable.For make the purpose of this utility model, technical scheme and
Effect is clearer, clear and definite, further describes this utility model by the following examples.Should be appreciated that described herein
Specific embodiment only in order to explain this utility model, be not used to limit this utility model.
Ultralow temperature instrumentation control cable disclosed in this utility model, including 2～12 pairs of pair twist core groups, gap filling layer and
Outer layer；Described pair twist core group includes conductor 1, insulating barrier 2 and polyimide film layer 3 the most successively；Described gap is filled out
Filling layer is aramid fiber yarn；Described outer layer includes first polyimide film tape the 5, first braid the 6, second polyamides the most successively
Imines film strip 7, high-voltage insulation layer the 8, the 3rd polyimide film tape the 9, second braid 10 and crosslinked polyethylene sheath 11.
Conductor 1 is stranded flexible conductor 1, conductor 1 specification average line rule 30～16.Use soft copper silk, soft copper silk be silver-plated or
Tinned copper wire, every filament diameter of soft copper silk is 0.10～0.16mm.Soft copper silk is 7～65, uses and restraints strand in the same direction, twist to for
Left-hand, lay ratio is 15～25 times.
Insulating barrier 2 is the polyimide insulative layer extruding formation, and extruded insulation layer thickness is 0.1～0.8mm.
Stranding is filled and is used the aramid fiber yarn with high-tensile and softness to fill.
Carrying out braid shielded after stranding, braiding uses tinned copper wire, and count is not less than 80%.
Extruding high-voltage insulation layer 8 outside woven shield, high-voltage insulation layer 8 uses has the poly-second of high performance cross-linking radiation
Alkene material, high-voltage insulation layer 8 thickness is 0.5～2.0mm.
About the preparation method of ultralow temperature instrumentation control cable, can there is following several embodiment:
Embodiment one:
One, conductor 1 specification is 30AWG, and silver-gilt copper wire selected by the stranded copper wire of conductor 1, by 7 diameter 0.10mm silver-plated coppers
Silk carries out stranded on strand winder, uses the most stranded, and strand is to for left-hand, and stranded lay ratio is 15 times, and linear speed is 8m/min.
Silver-plated flexible conductor 1.
Two, at conductor 1 outer extruded insulation layer, the insulant of extruded insulation layer is polyimide foam insulation, at high temperature
Extruder completes, and extruded insulation layer thickness is 0.1mm.Polyimide foam insulation is dried 2 hours before extrusion in drying machine,
Temperature is for setting 200 DEG C, and programming rate is that 10 DEG C/min is to preset temperature.Extruded insulation equipment uses 45 high-temperature extruder.
Three, after insulated wire cores has extruded, two insulated wire cores carry out pair twist on single twist cabling machine, and pair twist lay ratio controls 8
Times, pair twist twists to left-hand, carries out wrapped to pair twist core, wrapped employing Kapton while pair twist on single twist cabling machine
Band, thin film bandwidth 10mm, tape thickness 0.01mm, overlapping wrapped one layer, lapping direction dextrad, wrapping angle 30 °, Duplication is
35%, take-up speed is 15m/min.
Four, carrying out stranding, 2 pairs of pair twist composition cables after pair twist group completes on cable-former, stranding lay ratio controls at 15 times,
Stranding direction left-hand, stranding gap uses aramid fiber yarn to be filled with, the outer overlapping wrapped strata acid imide of cable core while stranding
Film strip, thin film bandwidth 20mm, tape thickness 0.01mm, lapping direction dextrad, wrapping angle 30 °, Duplication is 35%, take-up speed
For 20m/min.
Five, carrying out braid shielded after stranding, braid shielded is carried out on 16 ingot braiders, and screen layer uses tinned copper wire to compile
Knitting, weave filament diameter 0.1mm, braider every ingot monofilament radical 10, lay of braiding 80mm, take-up speed controls at 15m/
min。
Six, in the outer overlapping wrapped one layer of polyimide film tape protection band of braid, thin film bandwidth 20mm, tape thickness
0.01mm, lapping direction left-hand, wrapping angle 30 °, Duplication is 35%, and take-up speed is 20m/min.
Seven, extruding one layer of high-voltage insulation layer 8 outside polyimide film tape, high-voltage insulation layer 8 material uses cross-linking radiation
Polythene material, insulation thickness 0.5mm.
Extrude high-voltage insulation layer 8 equipment and use 70 conventional extruder.
The core of extrusion high-voltage insulation layer 8 need to irradiate through the high energy electron speed of electron accelerator, so that high-voltage insulation layer 8
Crosslinked polyethylene material reach crosslinking, accelerator rated power is 1.5MW, and electronic beam current is 25mA, and irradiation hauling speed is
15m/min。
Eight, outside the High-Voltage Insulation core after irradiation, more overlapping wrapped one layer of polyimide film tape is as protection
Layer, thin film bandwidth 20mm, tape thickness 0.01mm, lapping direction left-hand, wrapping angle 30 °, Duplication is 35%, and take-up speed is
10m/min。
Nine, again carrying out braid shielded outside protective layer, braid shielded is carried out on 24 ingot braiders, and screen layer uses
Tinned copper wire weaves, and weaves filament diameter 0.1mm, braider every ingot monofilament radical 10, lay of braiding 110mm, take-up speed
Control at 15m/min.
Ten, extruding sheath outside secondary shield, sheath uses IXPE material, jacket thickness 1.0mm.
Extrude high-voltage insulation layer 8 equipment and use 90 conventional extruder.
The core of extrusion high-voltage insulation layer 8 need to irradiate through the high energy electron speed of electron accelerator, so that high-voltage insulation layer 8
Crosslinked polyethylene material reach crosslinking, accelerator rated power is 1.5MW, and electronic beam current is 25mA, and irradiation hauling speed is
15m/min。
Ultralow temperature instrumentation control cable prepared by the present embodiment, is detected as under low temperature environment, and cable protects below-200 DEG C
Set does not ftractures, and signal transmission is normal, without short circuit punch-through.
Embodiment two
One, conductor 1 specification is 22AWG, and silver-gilt copper wire selected by the stranded copper wire of conductor 1, by silver-plated for 17 diameter 0.16mm
Copper wire carries out stranded on strand winder, uses the most stranded, twists to for left-hand, and stranded lay ratio is 20 times, and linear speed is 6.5m/
min.Silver-plated flexible conductor 1.
Two, at conductor 1 outer extruded insulation layer, the insulant of extruded insulation layer is polyimide foam insulation, at high temperature
Extruder completes, and extruded insulation layer thickness is 0.4mm.It is little that polyimide foam insulation need to be dried 2 before extrusion in drying machine
Time, temperature is for setting 200 DEG C, and programming rate is that 10 DEG C/min is to preset temperature.Extruded insulation equipment uses 45 high-temperature extruder.
Three, after insulated wire cores has extruded, two insulated wire cores carry out pair twist on single twist cabling machine, and pair twist lay ratio controls 19
Times, pair twist twists to left-hand, carries out wrapped to pair twist core, wrapped employing Kapton while pair twist on single twist cabling machine
Band, thin film bandwidth 13mm, tape thickness 0.08mm, overlapping wrapped one layer, lapping direction dextrad, wrapping angle 40 °, Duplication is
30%, take-up speed is 10m/min.
Four, carrying out stranding, 7 pairs of pair twist composition cables after pair twist group completes on cable-former, stranding lay ratio controls at 20 times,
Stranding direction left-hand, stranding gap uses aramid fiber yarn to be filled with, the outer overlapping wrapped strata acid imide of cable core while stranding
Film strip, thin film bandwidth 25mm, tape thickness 0.08mm, lapping direction dextrad, wrapping angle 40 °, Duplication is 30%, take-up speed
Degree is 15m/min.
Five, carrying out braid shielded after stranding, braid shielded is carried out on 16 ingot braiders, and screen layer uses tinned copper wire to compile
Knitting, weave filament diameter 0.12mm, braider every ingot monofilament radical 8, lay of braiding 45mm, take-up speed controls at 10m/
min。
Six, in the outer overlapping wrapped one layer of polyimide film tape protection band of braid, thin film bandwidth 30mm, tape thickness
0.08mm, lapping direction left-hand, wrapping angle 40 °, Duplication is 30%, and take-up speed is 15m/min.
Seven, extruding one layer of high-voltage insulation layer 8 outside polyimide film tape, high-voltage insulation layer 8 material uses cross-linking radiation
Polythene material, insulation thickness 1.5mm.
Extrude high-voltage insulation layer 8 equipment and use 70 conventional extruder.
The core of extrusion high-voltage insulation layer 8 need to irradiate through the high energy electron speed of electron accelerator, so that high-voltage insulation layer 8
Crosslinked polyethylene material reach crosslinking, accelerator rated power is 2.5MW, and electronic beam current is 25mA, and irradiation hauling speed is
15m/min。
Eight, outside the High-Voltage Insulation core after irradiation, more overlapping wrapped one layer of polyimide film tape is as protection
Layer, thin film bandwidth 20mm, tape thickness 0.01mm, lapping direction left-hand, wrapping angle 40 °, Duplication is 30%, and take-up speed is
15m/min。
Nine, again carrying out braid shielded outside protective layer, braid shielded is carried out on 24 ingot braiders, and screen layer uses plating
Stannum proof copper-wire braided, weaves filament diameter 0.1mm, braider every ingot monofilament radical 8, lay of braiding 70mm, and take-up speed controls
At 10m/min.
Ten, extruding sheath outside secondary shield, sheath uses IXPE material, jacket thickness 1.8mm.
Extrude high-voltage insulation layer 8 equipment and use 90 conventional extruder.
The core of extrusion high-voltage insulation layer 8 need to irradiate through the high energy electron speed of electron accelerator, so that high-voltage insulation layer 8
Crosslinked polyethylene material reach crosslinking, accelerator rated power is 2.5MW, and electronic beam current is 25mA, and irradiation hauling speed is
15m/min。
Ultralow temperature instrumentation control cable prepared by the present embodiment, is detected as under low temperature environment, and cable protects below-200 DEG C
Set does not ftractures, and signal transmission is normal, without short circuit punch-through.
Embodiment three
One, conductor 1 specification is 16AWG, and silver-gilt copper wire selected by the stranded copper wire of conductor 1, by silver-plated for 65 diameter 0.16mm
Copper wire carries out stranded on strand winder, uses the most stranded, twists to for left-hand, and stranded lay ratio is 25 times, and linear speed is 5m/
min.Silver-plated flexible conductor 1.
Two, at conductor 1 outer extruded insulation layer, the insulant of extruded insulation layer is polyimide foam insulation, at high temperature
Extruder completes, and extruded insulation layer thickness is 0.8mm.It is little that polyimide foam insulation need to be dried 2 before extrusion in drying machine
Time, temperature is for setting 200 DEG C, and programming rate is that 10 DEG C/min is to preset temperature.Extruded insulation equipment uses 45 high-temperature extruder.
Three, after insulated wire cores has extruded, two insulated wire cores carry out pair twist on single twist cabling machine, and pair twist lay ratio controls 30
Times, pair twist twists to left-hand, carries out wrapped to pair twist core, wrapped employing Kapton while pair twist on single twist cabling machine
Band, thin film bandwidth 25mm, tape thickness 0.15mm, overlapping wrapped one layer, lapping direction dextrad, wrapping angle 50 °, Duplication is
25%, take-up speed is 5m/min.
Four, carrying out stranding after pair twist group completes on cable-former, 12 pairs of pair twist composition cables, stranding lay ratio controls 25
Times, stranding direction left-hand, stranding gap uses aramid fiber yarn to be filled with, and while stranding, the outer overlapping wrapped strata acyl of cable core is sub-
Amine film strip, thin film bandwidth 35mm, tape thickness 0.15mm, lapping direction dextrad, wrapping angle 50 °, Duplication is 25%, take-up speed
Degree is 10m/min.
Five, carrying out braid shielded after stranding, braid shielded is carried out on 16 ingot braiders, and screen layer uses tinned copper wire to compile
Knitting, weave filament diameter 0.15mm, braider every ingot monofilament radical 5, lay of braiding 15mm, take-up speed controls at 5m/
min。
Six, in the outer overlapping wrapped one layer of polyimide film tape protection band of braid, thin film bandwidth 35mm, tape thickness
0.15mm, lapping direction left-hand, wrapping angle 50 °, Duplication is 25%, and take-up speed is 10m/min.
Seven, extruding one layer of high-voltage insulation layer 8 outside polyimide film tape, high-voltage insulation layer 8 material uses cross-linking radiation
Polythene material, insulation thickness 2.0mm.
Extrude high-voltage insulation layer 8 equipment and use 70 conventional extruder.
The core of extrusion high-voltage insulation layer 8 need to irradiate through the high energy electron speed of electron accelerator, so that high-voltage insulation layer 8
Crosslinked polyethylene material reach crosslinking, accelerator rated power is 2.5MW, and electronic beam current is 75mA, and irradiation hauling speed is
40m/min。
Eight, outside the High-Voltage Insulation core after irradiation, more overlapping wrapped one layer of polyimide film tape is as protection
Layer, thin film bandwidth 35mm, tape thickness 0.15mm, lapping direction left-hand, wrapping angle 50 °, Duplication is 25%, and take-up speed is
20m/min。
Nine, again carrying out braid shielded outside protective layer, braid shielded is carried out on 24 ingot braiders, and screen layer uses plating
Stannum proof copper-wire braided, weaves filament diameter 0.15mm, braider every ingot monofilament radical 6, lay of braiding 30mm, and take-up speed controls
At 5m/min.
Ten, extruding sheath outside secondary shield, sheath uses IXPE material, jacket thickness 2.5mm.
Extrude high-voltage insulation layer 8 equipment and use 90 conventional extruder.
The core of extrusion high-voltage insulation layer 8 need to irradiate through the high energy electron speed of electron accelerator, so that high-voltage insulation layer 8
Crosslinked polyethylene material reach crosslinking, accelerator rated power is 2.5MW, and electronic beam current is 75mA, and irradiation hauling speed is
40m/min。
Ultralow temperature instrumentation control cable prepared by the present embodiment, is detected as under low temperature environment, and cable protects below-200 DEG C
Set does not ftractures, and signal transmission is normal, without short circuit punch-through.
Ultralow temperature instrumentation control cable of the present utility model has the following characteristics that 1, conductor 1 excellent conductivity 2, product make
Use temperature range width: the most low temperature resistant (-260 DEG C), high temperature resistant (+300 DEG C) 3, high pressure resistant: 10kV and following 4, high flexibility: bending
Radius≤7.5 times the outside diameter of cable.
Ultralow temperature instrumentation control cable of the present utility model has wide in range use temperature range, and transmission performance is splendid, and
And softness easily mounting and installation.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
This utility model conceives in addition equivalent or change, and all these change or replace all should belong to appended by this utility model
Scope of the claims.
Claims (5)
1. a ultralow temperature instrumentation control cable, it is characterised in that include 2～12 pairs of pair twist core groups, gap filling layer and outer
Layer；
Described pair twist core group includes conductor, insulating barrier and polyimide film layer the most successively；
Described gap filling layer is aramid fiber yarn；
Described outer layer include the most successively the first polyimide film tape, the first braid, the second polyimide film tape,
High-voltage insulation layer, the 3rd polyimide film tape, the second braid and crosslinked polyethylene sheath.
A kind of ultralow temperature instrumentation control cable the most according to claim 1, it is characterised in that described conductor is silver-plated or plating
The stranded soft copper silk of stannum, specification is average line rule 30～16；Described stranded every filament diameter of soft copper silk is 0.10～0.16mm,
Total quantity is 7～65, restraints strand in the same direction, twists to for left-hand, and lay ratio is 15～25 times.
A kind of ultralow temperature instrumentation control cable the most according to claim 1, it is characterised in that described conductor is coated with absolutely
Edge layer, described twisted pair wire core group includes the conductor being coated with insulating barrier described in 2, the pair twist pitch diameter of described twisted pair wire core group
Ratio is 8～30 times, and the pair twist of described twisted pair wire core group strand is to for left-hand.
A kind of ultralow temperature instrumentation control cable the most according to claim 1, it is characterised in that described polyimide film layer
Thickness be 0.1～0.8mm.
A kind of ultralow temperature instrumentation control cable the most according to claim 1, it is characterised in that described crosslinked polyethylene sheath
Thickness is 1.0～2.5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620204271.3U CN205789192U (en) | 2016-03-16 | 2016-03-16 | A kind of ultralow temperature instrumentation control cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204271.3U CN205789192U (en) | 2016-03-16 | 2016-03-16 | A kind of ultralow temperature instrumentation control cable |
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| Publication Number | Publication Date |
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| CN205789192U true CN205789192U (en) | 2016-12-07 |
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| CN201620204271.3U Expired - Fee Related CN205789192U (en) | 2016-03-16 | 2016-03-16 | A kind of ultralow temperature instrumentation control cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609180A (en) * | 2016-03-16 | 2016-05-25 | 苏珩线缆南通有限公司 | Ultralow-temperature instrument control cable and preparation method thereof |
-
2016
- 2016-03-16 CN CN201620204271.3U patent/CN205789192U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609180A (en) * | 2016-03-16 | 2016-05-25 | 苏珩线缆南通有限公司 | Ultralow-temperature instrument control cable and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |