CN106158084B - Track traffic DC dynamo and control composite cable - Google Patents

Track traffic DC dynamo and control composite cable Download PDF

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Publication number
CN106158084B
CN106158084B CN201610776039.1A CN201610776039A CN106158084B CN 106158084 B CN106158084 B CN 106158084B CN 201610776039 A CN201610776039 A CN 201610776039A CN 106158084 B CN106158084 B CN 106158084B
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China
Prior art keywords
control
cable core
conductor
layer
power cable
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CN201610776039.1A
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Chinese (zh)
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CN106158084A (en
Inventor
樊玉广
章国榜
吴大勇
施晓宝
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WUHAN HONGLIAN WIRE & CABLE Co Ltd
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WUHAN HONGLIAN WIRE & CABLE Co Ltd
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Publication of CN106158084A publication Critical patent/CN106158084A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/0045Cable-harnesses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895Internal space filling-up means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806Protection against damage caused by corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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  • Insulated Conductors (AREA)

Abstract

The invention discloses a kind of track traffic DC dynamo and control composite cable, it is related to field of cables.The composite cable includes a power cable core, at least one control cable core, and control cable core is arranged around outside power cable core;Power cable core includes the first conductor being made up of more twisted copper conductors, and the first conductor is coated with the first insulating barrier;Cable core is controlled to include the control cored wire of two pair twists, the second conductor, the second conductor that control cored wire includes being twisted by more copper conductors are coated with the second insulating barrier.For the present invention by power cable and control cable efficient combination, input and the cost of material production are laid in reduction, and space is laid in diminution;Power cable, control cable do not produce interference mutually, ensure the security of system operation;There is nontoxic fire resisting, current-carrying capacity big, the damage of impact resistance voltage, mechanical resistant, Halogen, explosion-proof, waterproof, corrosion-resistant, long lifespan, safety, structural flexibility, mechanical resistant vibration, resistant to overload, high temperature resistant.

Description

Track traffic DC dynamo and control composite cable
Technical field
The present invention relates to field of cables, and in particular to a kind of track traffic DC dynamo and control composite cable.
Background technology
City Rail Transit System is used using electronic computer treatment technology as the various of core using direct current as power Automation equipment maintains vehicle normal operation.Automation equipment includes train automatic controlling system, electric power system management automatically Change system, environmental monitoring system, fire alarm system etc., each self-forming network of these systems, and in Rail Transit System Control centre is provided with central computer, realizes unified command, grading control.
With the high speed development of urban rail transit in China cause, the demand of cable for rail transit is also constantly increasing Add.In order to ensure the transmission of supply of electric power and control signal, power cable and control cable are needed in Rail Transit System simultaneously. Because power cable and control cable distance closely easily cause very much electromagnetic interference, therefore, existing track traffic power cable Individually separately laid with control cable.Because in underground, and the laying narrow space of cable is single more than urban track traffic Only power cable can take larger space with control cable, cause power cable with controlling the installation, maintenance process of cable It is all cumbersome.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of track traffic DC dynamo and Composite cable is controlled, power cable and control cable are effectively combined in together by the present invention, and power cable, control cable are each Independent operating, interference is not produced mutually, so as to ensure the security of system operation.
The present invention provides a kind of track traffic DC dynamo and control composite cable, and the composite cable includes the first filling Layer, a power cable core, at least one control cable core, the power cable core and all controls are provided with first packed layer Cable core is in axial direction parallel to each other, and the control cable core is arranged around the outside of power cable core;
The power cable core includes the first conductor, and first conductor is made up of more twisted copper conductors, and described first Conductor is located at the middle part of power cable core, and the first insulating barrier is coated with the outside of first conductor;
The control cable core includes the second packed layer, and the control cored wire of two pair twists is provided with second packed layer, The control cored wire includes the second conductor, the second insulating barrier, and second conductor is twisted by more copper conductors, and described second Insulating barrier is coated on the outside of the second conductor.
On the basis of above-mentioned technical proposal, the quantity for controlling cable core is 5~7.
On the basis of above-mentioned technical proposal, the quantity for controlling cable core is 6.
On the basis of above-mentioned technical proposal, the power cable core, control the cross section of cable core rounded, the control The edge at the edge of cable core and power cable core is tangent.
On the basis of above-mentioned technical proposal, first insulating barrier and the second insulating barrier are extruded using crosslinked polyethylene Form.
On the basis of above-mentioned technical proposal, inside first packed layer except power cable core and control cable core in addition to its Complementary space is filled with non-hygroscopic fire proofing;Its complementary space inside second packed layer in addition to cored wire is controlled is filled out Filled with non-hygroscopic fire proofing.
On the basis of above-mentioned technical proposal, flame retardant coating is provided between first conductor and the first insulating barrier, it is described Waterproof layer is coated with the outside of first insulating barrier.
On the basis of above-mentioned technical proposal, the outside of first packed layer is coated with the first refuge floor, shielding successively Layer, oxygen barrier layer, armor, outer jacket.
On the basis of above-mentioned technical proposal, the screen layer is formed using proof copper-wire braided, and the external diameter of the copper wire is 0.15~0.2mm, count are more than 85%.
On the basis of above-mentioned technical proposal, first refuge floor and the second refuge floor are compound using ceramic fire resisting Wrapped formed with overlapping.
Compared with prior art, advantages of the present invention is as follows:
(1) power cable and control cable are effectively combined in together by the present invention, not only reduce laying input and material Expect the cost of production, even more significantly reduce laying space, be advantageous to I&M.The present invention is to the control in control cable Coremaking line is effectively protected, and power cable, is controlled cable each independent operating, is not produced interference mutually, so as to Ensure the security of Rail Transit System operation.
(2) because urban track traffic is more in underground, once fire occurs, the environment of underground sealed to personnel escape and disappears Anti- work brings very big difficulty, and these determine that track traffic cable must have excellent fire protecting performance.The present invention has resistance to Fire, current-carrying capacity are big, impact resistance voltage, mechanical resistant are damaged, Halogen is nontoxic, explosion-proof, waterproof, corrosion-resistant, long lifespan, safety, structure The features such as flexibility, mechanical resistant vibration, resistant to overload, high temperature resistant, rat-and-ant proof, preventing ultraviolet, suitable for Rail Transit System.
Brief description of the drawings
Fig. 1 is middle orbit traffic DC dynamo of the embodiment of the present invention and the section structure diagram for controlling composite cable;
Brief description of the drawings:1-power cable core, the 11-the first conductor, 12-flame retardant coating, the 13-the first insulating barrier, 14-waterproof Layer, 2-control cable core, the 21-the second conductor, the 22-the second insulating barrier, the 23-the second packed layer, the 24-the second refuge floor, 3- First packed layer, the 4-the first refuge floor, 5-screen layer, 6-oxygen barrier layer, 7-armor, 8-outer jacket.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of track traffic DC dynamo and control composite cable, and this is multiple Closing cable includes the first packed layer 3, and the first packed layer 3 is located at the middle part of the composite cable, and the outside of the first packed layer 3 is wrapped successively It is covered with the first refuge floor 4, screen layer 5, oxygen barrier layer 6, armor 7, outer jacket 8;
A power cable core 1, at least one control cable core 2, power cable core 1 and all controls are provided with first packed layer 3 Cable core 2 processed is in axial direction parallel to each other, and control cable core 2 is arranged around the outside of power cable core 1;Specifically, control cable Core 2 is uniformly dredged and is wound on around power cable core 1, power cable core 1, controls the cross section of cable core 2 rounded, control cable core 2 The edge at edge and power cable core 1 is tangent.
Power cable core 1 includes the first conductor 11, and the first conductor 11 is made up of more twisted copper conductors, the first conductor 11 In the middle part of power cable core 1, the outside of the first conductor 11 is coated with flame retardant coating 12, the first insulating barrier 13, waterproof layer 14 successively;
Control cable core 2 includes the second packed layer 23, and the control cored wire of two pair twists is provided with second packed layer 23, Every control cable core 2 respectively includes the control cored wire of two pair twists;Cored wire is controlled to include the second conductor 21, the second insulating barrier 22, the Two conductors 21 are twisted by more copper conductors, and the second insulating barrier 22 is coated on the outside of the second conductor 21.Control the number of cable core 2 Amount can be 5~7, it is preferred that the quantity for controlling cable core 2 is 6.
Its complementary space inside first packed layer 3 in addition to power cable core 1 and control cable core 2 hinders filled with non-hygroscopic Combustible material, its complementary space inside the second packed layer 23 in addition to cored wire is controlled are filled with non-hygroscopic fire proofing.Using Non-hygroscopic fire proofing be preferably low-smoke non-halogen flame-retardant gasket for packing, play a part of strengthen with rounding.Flame retardant coating 12 uses Synthetic mica tape it is overlapping it is wrapped form, waterproof layer 14 wrapped forms using waterstop is overlapping;First insulating barrier 13 and the second insulation Layer 22 is extruded using crosslinked polyethylene to be formed;First refuge floor 4 and the second refuge floor 24 use ceramic fire resisting composite band It is overlapping wrapped to form.Screen layer 5 is formed using proof copper-wire braided, and the external diameter of copper wire be 0.15~0.2mm, count for 85% with On.Oxygen barrier layer 6 is extruded using ceramic polyolefin and formed, and armor 7 is formed using the chain armouring of copper strips, and outer jacket 8 is using low Cigarette Halogen rat-and-ant proof preventing ultraviolet polyolefin, which extrudes, to be formed.
The thickness of flame retardant coating 12 is 0.14~0.28mm, and the thickness of the first insulating barrier 13 is 0.5~1.5mm, waterproof layer 14 Thickness be 0.15~0.20mm, the thickness of the second insulating barrier 22 is 0.5~1.5mm, the thickness of the first refuge floor 4 for 0.14~ 0.28mm, the thickness of the second refuge floor 24 is 0.15~0.25mm, and the thickness of screen layer 5 is 0.10~0.20mm, oxygen barrier layer 6 Thickness is 1.2~2.6mm, and the thickness of armor 7 is 0.05~0.15mm, and the thickness of outer jacket 8 is 1.8~3.5mm.
The fire resistance of the composite cable is strong, and in bunched burning test, sample is fired using the nozzle for fiery device Burn, the length carbonized on sample is not more than 0.8m away from the upward distance in nozzle base, requires 2.5m far below standard, stops for fire The time for having flame sustained combustion on sample is no longer than 5min afterwards, far fewer than the 60min of standard requirement.
The electrical property of the composite cable is good, and conductor DC resistance reaches 0.0743 Ω/km, less than the maximum of standard requirement 0.0754 Ω/km, insulaion resistance constant reaches 4032.97M Ω km during normal operation, much larger than the minimum of standard requirement 3.67MΩ·km.The composite cable impact resistance voltage capability is strong, does not puncture under the conditions of DC voltage experiment (7.2kv, 4h), rushes Hit in Voltage experiments, under the conditions of 95 DEG C~100 DEG C, each 10 times of 25kv positive-negative polarities, do not puncture.
The present invention is with fire resisting, current-carrying capacity is big, impact resistance voltage, mechanical resistant are damaged, Halogen is nontoxic, explosion-proof, waterproof, corrosion resistant The features such as erosion, long lifespan, safety, structural flexibility, mechanical resistant vibration, resistant to overload, high temperature resistant, it is highly suitable for track traffic system System.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change Type is within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention Within.
The prior art that the content not being described in detail in specification is known to the skilled person.

Claims (7)

1. a kind of track traffic DC dynamo and control composite cable, it is characterised in that:The composite cable includes the first filling Layer (3), first packed layer (3) is interior to be provided with a power cable core (1), at least one control cable core (2), the power cable Core (1) is in axial direction parallel to each other with all control cable cores (2), and the control cable core (2) is arranged around power cable core (1) outside;
The power cable core (1) includes the first conductor (11), and first conductor (11) is made up of more twisted copper conductors, institute The middle part that the first conductor (11) is located at power cable core (1) is stated, the first insulating barrier (13) is coated with the outside of first conductor (11);
The control cable core (2) includes the second packed layer (23), and the control of two pair twists is provided with second packed layer (23) Coremaking line, the control cored wire include the second conductor (21), the second insulating barrier (22), and second conductor (21) is led by more copper Line is twisted, and second insulating barrier (22) is coated on the outside of the second conductor (21);
Flame retardant coating (12) is provided between first conductor (11) and the first insulating barrier (13), first insulating barrier (13) Outside is coated with waterproof layer (14);The outside of first packed layer (3) is coated with the first refuge floor (4), screen layer successively (5), oxygen barrier layer (6), armor (7), outer jacket (8);
The thickness of flame retardant coating (12) is 0.14~0.28mm, and the thickness of the first insulating barrier (13) is 0.5~1.5mm, waterproof layer (14) thickness is 0.15~0.20mm, and the thickness of the second insulating barrier (22) is 0.5~1.5mm, the thickness of the first refuge floor (4) For 0.14~0.28mm, the thickness of screen layer (5) is 0.10~0.20mm, and the thickness of oxygen barrier layer (6) is 1.2~2.6mm, armouring The thickness of layer (7) is 0.05~0.15mm, and the thickness of outer jacket (8) is 1.8~3.5mm.
2. track traffic DC dynamo as claimed in claim 1 and control composite cable, it is characterised in that:The control cable The quantity of core (2) is 5~7.
3. track traffic DC dynamo as claimed in claim 1 and control composite cable, it is characterised in that:The control cable The quantity of core (2) is 6.
4. track traffic DC dynamo as claimed in claim 1 and control composite cable, it is characterised in that:The power cable Core (1), the cross section of control cable core (2) are rounded, the edge phase at the edge and power cable core (1) of the control cable core (2) Cut.
5. track traffic DC dynamo as claimed in claim 1 and control composite cable, it is characterised in that:Described first is exhausted Edge layer (13) and the second insulating barrier (22) are extruded using crosslinked polyethylene to be formed.
6. track traffic DC dynamo as claimed in claim 1 and control composite cable, it is characterised in that:Described first fills out Fill internal its complementary space in addition to power cable core (1) and control cable core (2) of layer (3) and be filled with non-hygroscopic fire proofing; Internal its complementary space in addition to cored wire is controlled of second packed layer (23) is filled with non-hygroscopic fire proofing.
7. track traffic DC dynamo as claimed in claim 1 and control composite cable, it is characterised in that:The screen layer (5) formed using proof copper-wire braided, the external diameter of the copper wire is 0.15~0.2mm, and count is more than 85%.
CN201610776039.1A 2016-08-30 2016-08-30 Track traffic DC dynamo and control composite cable Active CN106158084B (en)

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CN201610776039.1A CN106158084B (en) 2016-08-30 2016-08-30 Track traffic DC dynamo and control composite cable

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Application Number Priority Date Filing Date Title
CN201610776039.1A CN106158084B (en) 2016-08-30 2016-08-30 Track traffic DC dynamo and control composite cable

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CN106158084B true CN106158084B (en) 2018-03-20

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107742547A (en) * 2017-10-09 2018-02-27 天津金山电线电缆股份有限公司 A kind of high voltage control and power integration cable and preparation method thereof
CN111223592A (en) * 2019-12-23 2020-06-02 南通市鹏程电缆有限公司 Environment-friendly composite-function flexible fireproof multi-core cable and manufacturing method thereof
CN117476276B (en) * 2023-10-23 2024-04-23 广东新亚光电缆股份有限公司 Cable with high explosion-proof and anti-electromagnetic interference characteristics

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CN201369184Y (en) * 2009-03-02 2009-12-23 上海电缆厂有限公司 Compensated measuring cable in nuclear power plant
CN201562475U (en) * 2009-09-28 2010-08-25 青岛汉缆股份有限公司 Cable of flame-retardant and intrinsically safe circuit
CN204332473U (en) * 2014-11-21 2015-05-13 浙江万马股份有限公司 New ceramics SiClx rubber strip fireproof environment-friendly type three-core cable

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US9018529B2 (en) * 2012-10-09 2015-04-28 Rockwell Automation Technologies, Inc. Single motor power and communication cable

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Publication number Priority date Publication date Assignee Title
CN200965805Y (en) * 2006-10-20 2007-10-24 扬州光明电缆有限公司 Rubber insulation and rubber sheath combination flexible cable for mobile
CN201369184Y (en) * 2009-03-02 2009-12-23 上海电缆厂有限公司 Compensated measuring cable in nuclear power plant
CN201562475U (en) * 2009-09-28 2010-08-25 青岛汉缆股份有限公司 Cable of flame-retardant and intrinsically safe circuit
CN204332473U (en) * 2014-11-21 2015-05-13 浙江万马股份有限公司 New ceramics SiClx rubber strip fireproof environment-friendly type three-core cable

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