CN209708647U - A kind of compound direct current cables of rail traffic - Google Patents
A kind of compound direct current cables of rail traffic Download PDFInfo
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- CN209708647U CN209708647U CN201920835943.4U CN201920835943U CN209708647U CN 209708647 U CN209708647 U CN 209708647U CN 201920835943 U CN201920835943 U CN 201920835943U CN 209708647 U CN209708647 U CN 209708647U
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- current cables
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- rail traffic
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Abstract
The utility model discloses a kind of compound direct current cables of rail traffic, including power cable core and several control conductors, the outside of the power cable core is coated with conductor shield, the conductor shield is coated with insulating layer, the insulating layer is coated with insulation screen, the insulation screen is coated with the first semiconductive water-blocking buffer layer, several control conductors are distributed on the outside of the first semiconductive water-blocking buffer layer, the filling insulating layer is coated with the second semiconductive water-blocking buffer layer, the second semiconductive water-blocking buffer layer is coated with aluminium-plastic tape, the aluminium-plastic tape is coated with high fire-retardance belt.A kind of compound direct current cables of rail traffic, the utility model are mainly used for rail locomotive and enter the station when repairing, and provide power and control signal to locomotive.It is the effective combination of one kind of power cable and control cable, not only reduces the cost of laying investment and material production, even more significantly reduce laying space.
Description
Technical field
The utility model relates to compound direct current cables technical field, specific field is a kind of compound direct current of rail traffic
Cable.
Background technique
The process of Chinese Urbanization is constantly being accelerated, and urban rail transit construction is the important component of Process of Urbanization Construction,
What is pursued is that rail traffic space should coordinate with other traffic spaces, city space, underground space organic linking, comprehensive development
It utilizes, to obtain the maximization that Urban spatial recourses utilize.The compound direct current cables of rail traffic is when locomotive being entered the station to repair
Required DC power cable to be offered and the cable for providing control signal merge in a cable.This power cable core and control
The combining form of cable core processed will not have an impact the performance of each cable, effect, while when to control cable core by mobile pull
It plays a protective role.Rail traffic enormously simplifies cumbersome work when double joint cable is separately laid with compound direct current cables
Sequence more effectively saves the space resources of rail traffic.
Utility model content
The purpose of this utility model is to provide a kind of compound direct current cables of rail traffic, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of compound direct current cables of rail traffic,
Including power cable core and several control conductors, the outside of the power cable core is coated with conductor shield, conductor shield by
Semiconductive strapping and extrusion conductor shielding two parts composition, the conductor shield are coated with insulating layer, squeeze out conductor screen
Covering part uses the dedicated semiconductive material of direct current cables with ultra-smooth performance, high conduction performance and thermosetting property to be made, institute
It states insulating layer and is coated with insulation screen, the insulation screen is coated with the first semiconductive water-blocking buffer layer, and described
Several control conductors are distributed on the outside of one semiconductive water-blocking buffer layer, the outside of the control conductor is coated with conductor shielding
Layer does not generate the interference power cable core mutually by conductor shield by the respective independent operating of power cable core and control conductor
It is coated with the second semiconductive filled with filling insulating layer, the filling insulating layer with cladding after control conductor combination and blocks water buffering
Layer, the first semiconductive water-blocking buffer layer and the second semiconductive water-blocking buffer layer by two layer by layer or more layer with a thickness of 4.0mm's
Semi-conductive buffer water-blocking band is wrapped to be made, and plays the role of buffer protection and longitudinal water-blocking, and second semiconductive blocks water buffering
Layer is coated with aluminium-plastic tape, and aluminium-plastic tape uses double-sided aluminum plastic composite band longitudinal wrap outside the second semiconductive water-blocking buffer layer
It is bonded after molding, there are one fixed width to put up part for the aluminium-plastic tape after longitudinal wrap, and drying rifle baking using heat makes to mould layer
Melt and complete to paste, or pasted using adhesive special, forms radial fluid-tight sealant after the completion of pasting, it is described
Aluminium-plastic tape is coated with high fire-retardance belt, and fire-retardant effect, the high fire-retardance belt outsourcing are played by high fire-retardance belt
It is covered with cable sheath, cable sheath uses water preventing ability high density polyethylene (HDPE), both has water stop function, while having certain intensity
External force can be resisted.
Preferably, the ratio range of the diameter of the diameter and control conductor of the power cable core is 8:1-4:1, can also be with
The diameter of the two is flexibly determined according to the demand at scene.
Preferably, the conductor structure in the control conductor and power cable core is that six class soft copper silks are twisted, wherein moving
The structure of power cable core 1: for conductor by twisting again after 6 class soft copper conductor synnemas in GB/T3956-2008, insulation uses EPDM
Rubber material extrudes.Control cable core 2 structure: conductor by
6 class soft copper conductor synnemas form in GB/T3956-2008, and insulation is extruded using ethylene propylene diene monomer (EPDM) material.
Preferably, the conductor structure in the power cable core is soft aluminum molded line twisted wire, this is compact-sized, and fill factor reaches
0.96, have well from block-water performance, the elongation of soft aluminum conductor reaches 20%, and resistivity reaches 0.027263 Ω .mm2/
m.Current-carrying capacity of cable can be improved about 20%.
Preferably, the insulation screen is made of the dedicated semiconductive material of direct current cables.
Preferably, the insulating layer is made of the dedicated ultra-clean thermoset crosslink polyethylene Insulation Material of direct current cables.
Preferably, the cable sheath is made of low smoke halogen-free flame-retardant polyolefin material.
Preferably, the cable sheath is equipped with reflecting coating, is resistant to play a warning role at night by reflecting coating.
Compared with prior art, the utility model has the beneficial effects that a kind of rail traffic compound direct current cables, this reality
With it is novel be mainly used for rail locomotive enter the station repair when, to locomotive provide power and control signal.It is power cable and control cable
A kind of effective combination, not only reduces the cost of laying investment and material production, even more significantly reduces laying space, leads to
Conductor shield is crossed by the respective independent operating of power cable core and control conductor, interference is not generated mutually, passes through the first semiconductive and hinder
Water buffer layer and the second semiconductive water-blocking buffer layer, play the role of buffer protection and longitudinal water-blocking, pass through aluminium-plastic tape shape
Radially fluid-tight sealant, fire-retardant effect is played by high fire-retardance belt, and cable sheath is poly- using water preventing ability high density
Ethylene both has water stop function, while there is certain intensity can resist external force.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the enlarged structure schematic diagram in the portion A in Fig. 1；
Fig. 3 is the structural schematic diagram of the utility model embodiment 2；
Fig. 4 is the enlarged structure schematic diagram in the portion B in Fig. 3.
In figure: 1- power cable core, 2- control conductor, 3- conductor shield, 4- insulating layer, 5- insulation screen, 6- first
Semiconductive water-blocking buffer layer, the second semiconductive of 7- water-blocking buffer layer, 8- aluminium-plastic tape, 9- high fire-retardance belt, 10- cable protection
Layer, 11- fill insulating layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of technical solution: a kind of compound direct current cables of rail traffic,
Including power cable core 1 and several control conductors 2, the outside of the power cable core 1 is coated with conductor shield 3, conductor shielding
Layer 3 is made of semiconductive strapping and extrusion conductor shielding two parts, and the conductor shield 3 is coated with insulating layer 4, is squeezed out
Conductor shielding part uses the dedicated semiconductive material system of direct current cables with ultra-smooth performance, high conduction performance and thermosetting property
At the insulating layer 4 is coated with insulation screen 5, and the insulation screen 5 is coated with the first semiconductive water-blocking buffer layer
6, several control conductors 2 are distributed in the outside of the first semiconductive water-blocking buffer layer 6, and the outside of the control conductor 2 is wrapped
It is covered with conductor shield 3, power cable core 1 and the respective independent operating of control conductor 2 are allowed by conductor shield 3, do not generated mutually
Cladding is filled with filling insulating layer 11,11 outsourcing of filling insulating layer after interfering the power cable core 1 and control conductor 2 to combine
It is covered with the second semiconductive water-blocking buffer layer 7, the first semiconductive water-blocking buffer layer 6 and the second semiconductive water-blocking buffer layer 7 are by two
Layer by layer or more layer with a thickness of 4.0mm semi-conductive buffer water-blocking band it is wrapped be made, play the work of buffer protection and longitudinal water-blocking
With the second semiconductive water-blocking buffer layer 7 is coated with aluminium-plastic tape 8, and aluminium-plastic tape 8 uses double-sided aluminum plastic composite band
8 bond after the outer longitudinal tubing of the second semiconductive water-blocking buffer layer 7, and there are one fixed widthes for the aluminium-plastic tape 8 after longitudinal wrap
Put up part, dry rifle baking using heat and make to mould melting layer and complete to paste, or pasted using adhesive special, pasted
At the radial fluid-tight sealant of rear formation, the aluminium-plastic tape 8 is coated with high fire-retardance belt 9, passes through high fire-retardance belt 9
Fire-retardant effect is played, the high fire-retardance belt 9 is coated with cable sheath 10, and cable sheath 10 is poly- using water preventing ability high density
Ethylene both has water stop function, while there is certain intensity can resist external force.
Specifically, the ratio range of the diameter of the diameter and control conductor 2 of the power cable core 1 is 8:1-4:1,
The diameter of the two can be flexibly determined according to the demand at scene.
Specifically, the conductor structure in the control conductor 2 and power cable core is twisted for six class soft copper silks, wherein
The structure of power cable core 11: for conductor by twisting again after 6 class soft copper conductor synnemas in GB/T3956-2008, insulation uses ternary
EP rubbers material extrudes.Control the structure of cable core 2: conductor is formed by 6 class soft copper conductor synnemas in GB/T3956-2008, absolutely
Edge is extruded using ethylene propylene diene monomer (EPDM) material.
Specifically, the insulation screen 5 is made of the dedicated semiconductive material of direct current cables.
Specifically, the insulating layer 4 is made of the dedicated ultra-clean thermoset crosslink polyethylene Insulation Material of direct current cables.
Specifically, the cable sheath 10 is made of low smoke halogen-free flame-retardant polyolefin material.
Specifically, the cable sheath 10 is equipped with reflecting coating, it is resistant to play warning at night by reflecting coating
Effect.
Working principle: the utility model is mainly used for rail locomotive and enters the station when repairing, and provides power to locomotive and control is believed
Number, conductor shield 3 is by semiconductive strapping and squeezes out conductor shielding two parts and forms, and allows power cable by conductor shield 3
Core 1 and the respective independent operating of control conductor 2, do not generate interference mutually, in the present embodiment 6 He of the first semiconductive water-blocking buffer layer
Second semiconductive water-blocking buffer layer 7 by two layer by layer or more layer with a thickness of 2.0mm semi-conductive buffer water-blocking band it is wrapped be made,
Play the role of buffer protection and longitudinal water-blocking, aluminium-plastic tape 8 blocks water using double-sided aluminum plastic composite band 8 in the second semiconductive slow
It is bonded after rushing the outer longitudinal tubing of layer 7, the aluminium-plastic tape 8 after longitudinal wrap puts up part there are one fixed width, is dried using heat
Rifle baking makes to mould melting layer completion stickup, or is pasted using adhesive special, and it is waterproof to form radial direction after the completion of pasting
Sealant, play fire-retardant effect by high fire-retardance belt 9, cable sheath 10 uses water preventing ability high density polyethylene (HDPE), both has
There is water stop function, while there is certain intensity can resist external force.
Embodiment 2
Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: a kind of compound direct current cables of rail traffic,
Including power cable core 1 and several control conductors 2, the outside of the power cable core 1 is coated with conductor shield 3, conductor shielding
Layer 3 is made of semiconductive strapping and extrusion conductor shielding two parts, and the conductor shield 3 is coated with insulating layer 4, is squeezed out
Conductor shielding part uses the dedicated semiconductive material system of direct current cables with ultra-smooth performance, high conduction performance and thermosetting property
At the insulating layer 4 is coated with insulation screen 5, and the insulation screen 5 is coated with the first semiconductive water-blocking buffer layer
6, several control conductors 2 are distributed in the outside of the first semiconductive water-blocking buffer layer 6, and the outside of the control conductor 2 is wrapped
It is covered with conductor shield 3, power cable core 1 and the respective independent operating of control conductor 2 are allowed by conductor shield 3, do not generated mutually
Cladding is filled with filling insulating layer 11,11 outsourcing of filling insulating layer after interfering the power cable core 1 and control conductor 2 to combine
It is covered with the second semiconductive water-blocking buffer layer 7, the first semiconductive water-blocking buffer layer 6 and the second semiconductive water-blocking buffer layer 7 are by two
Layer by layer or more layer with a thickness of 4.0mm semi-conductive buffer water-blocking band it is wrapped be made, play the work of buffer protection and longitudinal water-blocking
With the second semiconductive water-blocking buffer layer 7 is coated with aluminium-plastic tape 8, and aluminium-plastic tape 8 uses double-sided aluminum plastic composite band
8 bond after the outer longitudinal tubing of the second semiconductive water-blocking buffer layer 7, and there are one fixed widthes for the aluminium-plastic tape 8 after longitudinal wrap
Put up part, dry rifle baking using heat and make to mould melting layer and complete to paste, or pasted using adhesive special, pasted
At the radial fluid-tight sealant of rear formation, the aluminium-plastic tape 8 is coated with high fire-retardance belt 9, passes through high fire-retardance belt 9
Fire-retardant effect is played, the high fire-retardance belt 9 is coated with cable sheath 10, and cable sheath 10 is poly- using water preventing ability high density
Ethylene both has water stop function, while there is certain intensity can resist external force.
Specifically, the ratio range of the diameter of the diameter and control conductor 2 of the power cable core 1 is 8:1-4:1,
The diameter of the two can be flexibly determined according to the demand at scene.
Specifically, the conductor structure in the power cable core is soft aluminum molded line twisted wire, this is compact-sized, and fill factor reaches
To 0.96, have well from block-water performance, the elongation of soft aluminum conductor reaches 20%, and resistivity reaches 0.027263 Ω
.mm2/m.Current-carrying capacity of cable can be improved about 20%.
Specifically, the insulation screen 5 is made of the dedicated semiconductive material of direct current cables.
Specifically, the insulating layer 4 is made of the dedicated ultra-clean thermoset crosslink polyethylene Insulation Material of direct current cables.
Specifically, the cable sheath 10 is made of low smoke halogen-free flame-retardant polyolefin material.
Specifically, the cable sheath 10 is equipped with reflecting coating, it is resistant to play warning at night by reflecting coating
Effect.
Working principle: the utility model is mainly used for rail locomotive and enters the station when repairing, and provides power to locomotive and control is believed
Number, conductor shield 3 is by semiconductive strapping and squeezes out conductor shielding two parts and forms, and allows power cable by conductor shield 3
Core 1 and the respective independent operating of control conductor 2, do not generate interference mutually, and the conductor structure in the present embodiment in power cable core is soft
Aluminium profiles line twisted wire, this is compact-sized, and fill factor reaches 0.96, has well from block-water performance, the elongation of soft aluminum conductor
Reach 20%, resistivity reaches 0.027263 Ω .mm2/m.Current-carrying capacity of cable can be improved about 20%, and in the present embodiment first
Semiconductive water-blocking buffer layer 6 and the second semiconductive water-blocking buffer layer 7 by two layer by layer or more layer with a thickness of 2.0mm semiconductive
Buffer water-blocking band is wrapped to be made, and buffer protection and longitudinal water-blocking are played the role of, and aluminium-plastic tape 8 uses double-sided aluminum plastic composite band
8 bond after the outer longitudinal tubing of the second semiconductive water-blocking buffer layer 7, and there are one fixed widthes for the aluminium-plastic tape 8 after longitudinal wrap
Put up part, dry rifle baking using heat and make to mould melting layer and complete to paste, or pasted using adhesive special, pasted
At the radial fluid-tight sealant of rear formation, fire-retardant effect is played by high fire-retardance belt 9, cable sheath 10 uses water preventing ability
High density polyethylene (HDPE) both has water stop function, while there is certain intensity can resist external force.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of compound direct current cables of rail traffic, including power cable core (1) and several control conductors (2), feature exists
In: the outside of the power cable core (1) is coated with conductor shield (3), and the conductor shield (3) is coated with insulating layer
(4), the insulating layer (4) is coated with insulation screen (5), and the insulation screen (5) is coated with the resistance of the first semiconductive
Several control conductors (2), the control line is distributed on the outside of the first semiconductive water-blocking buffer layer (6) in water buffer layer (6)
The outside of core (2) is coated with conductor shield (3), is coated and is filled with after the power cable core (1) and control conductor (2) combination
It fills insulating layer (11), the filling insulating layer (11) is coated with the second semiconductive water-blocking buffer layer (7), and described the second half lead
Electric water-blocking buffer layer (7) is coated with aluminium-plastic tape (8), and the aluminium-plastic tape (8) is coated with high fire-retardance belt (9),
The high fire-retardance belt (9) is coated with cable sheath (10).
2. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the power cable core
(1) ratio range of the diameter of diameter and control conductor (2) is 8:1 --- 4:1.
3. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the control conductor
(2) conductor structure and in power cable core (1) is that six class soft copper silks are twisted.
4. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the power cable core
(1) conductor structure in is soft aluminum molded line twisted wire.
5. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the insulation screen
(5) it is made of the dedicated semiconductive material of direct current cables.
6. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the insulating layer (4)
It is made of the dedicated ultra-clean thermoset crosslink polyethylene Insulation Material of direct current cables.
7. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the cable sheath
(10) it is made of low smoke halogen-free flame-retardant polyolefin material.
8. a kind of compound direct current cables of rail traffic according to claim 1, it is characterised in that: the cable sheath
(10) it is equipped with reflecting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835943.4U CN209708647U (en) | 2019-06-04 | 2019-06-04 | A kind of compound direct current cables of rail traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835943.4U CN209708647U (en) | 2019-06-04 | 2019-06-04 | A kind of compound direct current cables of rail traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209708647U true CN209708647U (en) | 2019-11-29 |
Family
ID=68651378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920835943.4U Active CN209708647U (en) | 2019-06-04 | 2019-06-04 | A kind of compound direct current cables of rail traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209708647U (en) |
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2019
- 2019-06-04 CN CN201920835943.4U patent/CN209708647U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 061000 north side of Cangbao Road, Guxian Township, Hejian City, Cangzhou City, Hebei Province Patentee after: Xinchengrui Cable Co.,Ltd. Address before: 061000 north side of Cangbao Road, Guxian Township, Hejian City, Cangzhou City, Hebei Province Patentee before: Anket Cable Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |