CN209822309U - Photoelectric composite cable for rail transit vehicle - Google Patents
Photoelectric composite cable for rail transit vehicle Download PDFInfo
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- CN209822309U CN209822309U CN201921016752.1U CN201921016752U CN209822309U CN 209822309 U CN209822309 U CN 209822309U CN 201921016752 U CN201921016752 U CN 201921016752U CN 209822309 U CN209822309 U CN 209822309U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a track is photoelectric cables for transportation vehicles, the cable core is including the shielding type power transmission unit, the electrical control unit, multicore multimode optical cable signal transmission unit, 6 types of cable units of pair twist and ground protection sinle silk of digital communication hank stranding, and the stranding pitch is not more than 20 times of cable core external diameter, and the outside of cable core has in proper order the cladding to weave total shield layer, aluminum alloy to indulge a packet inner sheath and has steamed low fire-retardant oversheath of cigarette of nothing. The utility model discloses power transmission line has shielding electromagnetic protection, avoids other circuit systems to receive electromagnetic interference, and the control sinle silk adopts the pair twist to divide the shielding to add total shielding structure, no matter can both accurately control well to digital signal or analog signal, and network transmission adopts 6 types of data cable, and network signal transmission is stable, and optical cable transmission video signal is reliable, does not receive other electromagnetic field interference, and the image stabilization is clear, the utility model discloses the cable still has heat-resisting, resistant fuel, fire-retardant, does not have the low performance of steamed cigarette.
Description
Technical Field
The utility model relates to a compound cable technical field such as inside electrical equipment power of track transportation vehicles, control circuit, signal transmission especially relates to a track is photoelectricity composite cable for transportation vehicles.
Background
The cable for the rail transit vehicle is basically a single-function product, at present, according to the GB/T12528 standard, products provided for vehicles are single-core halogen-free low-smoke flame-retardant cross-linked polyolefin insulated cables, and power transmission, communication, video transmission, data transmission, electrical control and the like used on the vehicles are laid in bundles by more cables, so that the cable is complex to install, occupies large space and has strict protection requirements, and equipment operation faults and even traffic accidents can be caused due to mutual electromagnetic interference.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a track is photoelectricity composite cable for transportation vehicles in order to compensate prior art's defect exactly.
The utility model discloses a realize through following technical scheme:
the utility model provides a track is photoelectricity composite cable for transportation vehicles, including the cable core, the cable core including the shielding type power transmission unit, electrical control unit, multicore multimode optical cable signal transmission unit, 6 types of cable units of pair twist and ground protection sinle silk for digital communication that restraint hank the stranding, the stranding pitch is not more than 20 times of cable core external diameter, the outside of cable core has the tinned copper wire to weave total shielding layer, the aluminum alloy indulges a packet inner sheath and has had the fire-retardant oversheath of steamed low cigarette in proper order.
The shielding type power transmission unit comprises three power wire cores and a neutral wire core, wherein the power wire cores comprise a power conductor and a first heat-resistant halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin insulating layer coated outside the power conductor, the central wire core comprises a neutral conductor and a second heat-resistant halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin insulating layer coated outside the neutral conductor, after the three power wire cores and the neutral wire core are bunched, a first tinned copper wire woven shielding layer and a first heat-resistant halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin thin-wall sheath layer are sequentially coated outside, and the weaving density of the first tinned copper wire woven shielding layer is greater. The insulation is extruded by a thin wall of heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin. The sheath is extruded by adopting a thin wall of heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin.
The power wire core is less than or equal to 16mm2The specification of (2), the power conductor adopts the tinned soft copper wire, through the mode stranding of regular layering and small pitch into the conductor, its central layer is a tinned copper wire, the number of layers of twisting is 4 layers outside the central layer at most, specific number of layers is decided according to the conductor cross-section, be 6 respectively from inside to outside, 12, 18, 24 tinned soft copper wires, outermost layer transposition is the left direction, middle transposition direction is right-hand, left-hand, right-hand respectively from outside to inside, middle layer transposition pitch is not more than 14 times of transposition external diameter, outermost transposition pitch is not more than 10 times of transposition external diameter.
The power wire core is larger than 16mm2The specification of the power conductor is that the power conductor adopts a tinned soft copper wire, the tinned soft copper wire is twisted into a folded yarn in a regular layering and fine pitch mode, and then the folded yarn is regularly layered and is in a small sectionThe mode of apart from twists into the multiple-stranded conductor, and its central layer is a tin-coated copper conductor, and the maximum number of the layers of twisting outside the central layer is 4 layers, and specific number of the layers is decided according to the conductor cross-section, is 6 respectively, 12, 18, 24 from inside to outside, and outermost strand stranding direction is the left direction, and the twisting pitch is not more than 14 times of transposition external diameter, and middle twisting direction is right direction, left direction, right direction respectively from outside to inside, and the twisting pitch is not more than 16 times of transposition external diameter, the strand adopt 7 structures, middle one, 6 on the outer, outer layer stranding pitch is not more than 10 times of transposition external diameter, the direction of twisting of every layer of strand of multiple-stranded line is opposite with the multiple-stranded direction on this layer.
The electric control unit including the control sinle silk, the control sinle silk including the control conductor, the cladding has heat-resisting no halogen low smoke flame retardant irradiation crosslinked polyolefin insulating layer three in the control conductor outside, the cladding has tinned copper wire to weave shielding layer two after pair twist two control conductors, the pair twist pitch is not more than 100mm, the cladding has tinned copper wire to weave shielding layer three and heat-resisting no halogen low smoke flame retardant irradiation crosslinked polyolefin thin wall sheath layer two in proper order in the outside after pair twist two control sinle silks, the tinned copper wire weaves shielding layer two and the tinned copper wire weaves the weaving density of shielding layer three and all is greater than 85%.
The control conductor adopt the soft copper wire of tin-plating, through the mode stranding conductor of normal layering and small pitch, its central layer is a tin-plating copper wire, the number of layers of twisting is 4 layers at most outside the central layer, be 6 respectively from inside to outside, 12, 18, 24 soft copper wires of tin-plating, outermost layer transposition is to being the left direction, middle transposition direction outside-in is right direction, left direction, right direction respectively, middle layer transposition pitch is not more than 14 times of transposition external diameter, outermost transposition pitch is not more than 10 times of transposition external diameter.
The multi-core multimode optical cable signal transmission unit comprises 4A 1b type 62.5/125 multimode optical fiber cores, a third heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin thin-wall sheath layer is coated on the outer side of the four A1b type 62.5/125 multimode optical fiber cores after being stranded, and aramid fiber reinforcing yarns are filled in the third heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin thin-wall sheath layer.
The digital communication is with 6 types of cable units of hank including communication conductor, communication conductor adopt 7 soft copper tinned copper wires transposition, the transposition pitch is not more than 10 times of transposition external diameter, the hank is to the left, has heat-resisting no heat and halogen-free low smoke flame retardant irradiation crosslinked polyolefin insulating layer four in the outside cladding of communication conductor, with two communication conductor pair hank constitution communication sinle silks, communication sinle silk have four, four communication sinle silks are 12.85mm, 14.97mm, 17.15mm and 19.39mm respectively to the transposition pitch, arrange four communication sinle silks respectively in the cross polyethylene plastic skeleton that has 4 wire casings, hank four communication sinle silks and skeleton into the communication cable core, the transposition pitch is 80mm ~ 100mm, has compound aluminium-plastic tape, tinned copper wire to weave shielding layer four and has halogen-free heat-free low smoke flame retardant irradiation crosslinked polyolefin thin wall restrictive coating four in proper order in the outside of communication cable core.
Four end parts of the cross-shaped polyethylene plastic framework are conical, and the interior of the framework is hollow.
The aluminum alloy longitudinal wrapping inner sheath is longitudinally wrapped on the cable core by an aluminum alloy belt, welded joints are welded by argon arc welding, and lines are bundled in a spiral mode.
The utility model has the advantages that: the utility model discloses power transmission line has shielding electromagnetic protection, can avoid other circuit systems to receive electromagnetic interference, and the control sinle silk adopts the pair twist to divide the shielding to add total shielding structure, no matter can both accurately control well to digital signal or analog signal, and network transmission adopts 6 types of data cable, and network signal transmission is stable, can transmit 4G, 5G network signal, and optical cable transmission video signal is reliable, does not receive other electromagnetic field interference, and image stabilization is clear, the utility model discloses the cable still has heat-resisting, resistant fuel, fire-retardant, does not have the performance of steamed low cigarette, can satisfy rail transit vehicle operation requirement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, a track is photoelectricity composite cable for transportation vehicles, including the cable core, the cable core including the shielding type power transmission unit 1 that the bundle hank was cabled, electrical control unit 2, multicore multimode optical cable signal transmission unit 3, 6 types of cable unit 4 of pair hank and ground protection sinle silk 5 are used in digital communication, the stranding pitch is not more than 20 times of cable core external diameter, the outside of cable core has the cladding in proper order that the tinned copper wire weaves total shielding layer 6, the aluminium alloy indulges package inner sheath 28 and halogen-free low smoke fire-retardant oversheath 7.
Shielded power transmission unit 1 including three power sinle silks and a neutral sinle silk, the power sinle silk including power conductor 8 and cladding in the heat-resisting steamed low cigarette fire-retardant irradiation crosslinked polyolefin insulating layer one 9 in the power conductor 8 outside, central sinle silk including neutral conductor 10 and cladding in the heat-resisting steamed low cigarette fire-retardant irradiation crosslinked polyolefin insulating layer two 11 in the neutral conductor outside, with three power sinle silks and a neutral sinle silk bundle hank back in proper order the cladding in the outside have tinned copper wire to weave shielding layer one 12 and heat-resisting steamed low cigarette fire-retardant irradiation crosslinked polyolefin thin wall restrictive coating one 13, tinned copper wire weaves shielding layer one 12's weaving density is greater than 85%. The insulation is extruded by a thin wall of heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin. The sheath is extruded by adopting a thin wall of heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin.
The power wire core is less than or equal to 16mm2The specification of (2), the power conductor adopts the tinned soft copper wire, through the mode stranding of regular layering and small pitch into the conductor, its central layer is a tinned copper wire, the number of layers of twisting is 4 layers outside the central layer at most, specific number of layers is decided according to the conductor cross-section, be 6 respectively from inside to outside, 12, 18, 24 tinned soft copper wires, outermost layer transposition is the left direction, middle transposition direction is right-hand, left-hand, right-hand respectively from outside to inside, middle layer transposition pitch is not more than 14 times of transposition external diameter, outermost transposition pitch is not more than 10 times of transposition external diameter.
The power wire core is larger than 16mm2The specification of the composite twisted conductor is that the power conductor adopts tin-plated soft copper wires, the tin-plated soft copper wires are twisted into stranded wires in a regular layering and small pitch mode, then the stranded wires are twisted into a composite twisted conductor in a regular layering and small pitch mode, the central layer of the composite twisted conductor is a tin-plated copper conductor, the maximum number of twisted layers outside the central layer is 4, the specific number of layers is determined according to the cross section of the conductor, 6, 12, 18 and 24 are respectively arranged from inside to outside, and the outermost layer isThe stranding direction of the compound stranded wire is left, the stranding pitch is not more than 14 times of the stranding outer diameter, the middle stranding direction is right, left and right from outside to inside, the stranding pitch is not more than 16 times of the stranding outer diameter, the compound stranded wire adopts a 7-strand structure, the middle strand is one, the outer layer is 6, the stranding pitch of the outer layer is not more than 10 times of the stranding outer diameter, and the stranding direction of each layer of the compound stranded wire is opposite to the compound stranding direction of the layer.
Electric control unit 2 including the control sinle silk, the control sinle silk including control conductor 14, the cladding has heat-resisting no halogen low smoke flame retardant irradiation crosslinked polyolefin insulating layer three 15 in the control conductor 14 outside, the cladding has tinned copper wire to weave shielding layer two 16 after the pair twist with two control conductors 14, the pair twist pitch is not more than 100mm, the cladding has tinned copper wire to weave shielding layer three 17 and heat-resisting no halogen low smoke flame retardant irradiation crosslinked polyolefin thin wall sheath layer two 18 in proper order in the outside after the pair twist with two control sinle silks, the braiding density that shielding layer two and tinned copper wire woven shielding layer three all is greater than 85%.
The control conductor adopt the soft copper wire of tin-plating, through the mode stranding conductor of normal layering and small pitch, its central layer is a tin-plating copper wire, the number of layers of twisting is 4 layers at most outside the central layer, be 6 respectively from inside to outside, 12, 18, 24 soft copper wires of tin-plating, outermost layer transposition is to being the left direction, middle transposition direction outside-in is right direction, left direction, right direction respectively, middle layer transposition pitch is not more than 14 times of transposition external diameter, outermost transposition pitch is not more than 10 times of transposition external diameter.
The multi-core multimode optical cable signal transmission unit 3 comprises 4A 1b type 62.5/125 multimode optical fiber cores 19, the outer sides of the four A1b type 62.5/125 multimode optical fiber cores are wrapped with a third heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin thin-wall sheath layer 20 after being stranded, and aramid fiber reinforcing yarns 21 are filled in the third heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin thin-wall sheath layer 20.
The digital communication is with 6 types of cable units 4 of hank including communication conductor 22, communication conductor 22 adopt 7 soft copper tinned copper wires transposition, the transposition pitch is not more than 10 times of transposition external diameter, the transposition is left, the outside at communication conductor 22 is wrapped with heat-resisting zero halogen low smoke flame retardant irradiation crosslinked polyolefin insulating layer four 23, with two communication conductor 22 pair hank constitution communication core, communication core have four, four communication core's pair hank pitch is 12.85mm, 14.97mm, 17.15mm and 19.39mm respectively, place four communication core in cross polyethylene plastic skeleton 24 that has 4 wire casings respectively, hank four communication core and skeleton 24 bundles into the communication cable core, the transposition pitch is 80mm ~ 100mm, is wrapped with compound aluminium-plastic tape 25 in proper order in the outside of communication cable core, the tinned copper wire weaves shielding layer four 26 and heat-resisting zero halogen flame retardant irradiation crosslinked polyolefin jacket layer four 27 of thin-walled.
Four ends of the cross-shaped polyethylene plastic framework 24 are conical, and the interior of the framework is hollow.
The aluminum alloy longitudinal-covering inner sheath 28 is longitudinally covered on the cable core by adopting an aluminum alloy belt, and is welded with a connector by argon arc welding and is banded in a spiral mode. A layer of aluminum alloy binding sheath is longitudinally wrapped on the total shielding layer, and the waterproof and electromagnetic shielding effects are achieved.
Claims (10)
1. The utility model provides a track is photoelectricity composite cable for transportation vehicles which characterized in that: including the cable core, the cable core including the shielding type power transmission unit, the electrical control unit, multicore multimode optical cable signal transmission unit, 6 types of cable units of pair twist and ground protection sinle silk of digital communication hank stranding, the stranding pitch is not more than 20 times of cable core external diameter, the outside of cable core has the total shielding layer of tinned copper wire weaving, the aluminum alloy indulges a packet inner sheath and has steamed low fire-retardant oversheath of cigarette in proper order.
2. The photoelectric composite cable for the rail transit vehicle as claimed in claim 1, wherein: the shielding type power transmission unit comprises three power wire cores and a neutral wire core, wherein the power wire cores comprise a power conductor and a first heat-resistant halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin insulating layer coated outside the power conductor, the central wire core comprises a neutral conductor and a second heat-resistant halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin insulating layer coated outside the neutral conductor, after the three power wire cores and the neutral wire core are bunched, a first tinned copper wire woven shielding layer and a first heat-resistant halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin thin-wall sheath layer are sequentially coated outside, and the weaving density of the first tinned copper wire woven shielding layer is greater.
3. The photoelectric composite cable for the rail transit vehicle as claimed in claim 2, wherein: the power wire core is less than or equal to 16mm2The specification of (2), the power conductor adopts the tinned soft copper wire, twists into the conductor through normal layering and little pitch's mode, and its central layer is a tinned copper wire, and the number of layers of twisting is 4 layers outside the central layer at most, is 6 respectively from inside to outside, 12, 18, 24 tinned soft copper wires, and the outermost layer twists to be the left direction, and middle transposition direction is right direction, left direction, right direction respectively from outside to inside, and middle level transposition pitch is not more than 14 times of transposition external diameter, and outermost transposition pitch is not more than 10 times of transposition external diameter.
4. The photoelectric composite cable for the rail transit vehicle as claimed in claim 2, wherein: the power wire core is larger than 16mm2The specification, power conductor adopts the tin-plated soft copper wire, through the mode stranding of regular layering and small pitch earlier into the strand, then the strand is stranded again with the mode stranding of regular layering and small pitch into the compound stranded conductor, its central layer is a tin-plated copper conductor, the maximum number of layers of stranding outside the central layer is 4 layers, be 6 respectively from inside to outside, 12, 18, 24, outermost strand stranding direction is the left side, the stranding pitch is not more than 14 times of transposition external diameter, middle stranding direction is right side, left side, right side respectively from the outside to inside, the stranding pitch is not more than 16 times of transposition external diameter, the strand adopt 7 structures, middle one, outer 6, outer stranding pitch is not more than 10 times of transposition external diameter, the stranding direction of every layer of compound stranded wire is opposite with the compound stranding direction on this layer.
5. The photoelectric composite cable for the rail transit vehicle as claimed in claim 1, wherein: the electric control unit including the control sinle silk, the control sinle silk including the control conductor, the cladding has heat-resisting no halogen low smoke flame retardant irradiation crosslinked polyolefin insulating layer three in the control conductor outside, the cladding has tinned copper wire to weave shielding layer two after pair twist two control conductors, the pair twist pitch is not more than 100mm, the cladding has tinned copper wire to weave shielding layer three and heat-resisting no halogen low smoke flame retardant irradiation crosslinked polyolefin thin wall sheath layer two in proper order in the outside after pair twist two control sinle silks, the tinned copper wire weaves shielding layer two and the tinned copper wire weaves the weaving density of shielding layer three and all is greater than 85%.
6. The photoelectric composite cable for the rail transit vehicle as claimed in claim 5, wherein: the control conductor adopt the soft copper wire of tin-plating, through the mode stranding conductor of normal layering and small pitch, its central layer is a tin-plating copper wire, the number of layers of twisting is 4 layers at most outside the central layer, be 6 respectively from inside to outside, 12, 18, 24 soft copper wires of tin-plating, outermost layer transposition is to being the left direction, middle transposition direction outside-in is right direction, left direction, right direction respectively, middle layer transposition pitch is not more than 14 times of transposition external diameter, outermost transposition pitch is not more than 10 times of transposition external diameter.
7. The photoelectric composite cable for the rail transit vehicle as claimed in claim 1, wherein: the multi-core multimode optical cable signal transmission unit comprises 4A 1b type 62.5/125 multimode optical fiber cores, a third heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin thin-wall sheath layer is coated on the outer side of the four A1b type 62.5/125 multimode optical fiber cores after being stranded, and aramid fiber reinforcing yarns are filled in the third heat-resistant halogen-free low-smoke flame-retardant irradiation crosslinking polyolefin thin-wall sheath layer.
8. The photoelectric composite cable for the rail transit vehicle as claimed in claim 1, wherein the twisted 6-type cable unit for the digital communication comprises communication conductors, the communication conductors are twisted by 7 soft copper tinned copper wires, the twisting pitch is not more than 10 times of the twisting outer diameter, the twisting direction is leftward, a heat-resistant halogen-free low-smoke flame-retardant radiation cross-linked polyolefin insulating layer IV is coated on the outer side of each communication conductor, two communication conductors are twisted in pair to form communication wire cores, the number of the communication wire cores is four, the twisting pitches of the four communication wire cores are respectively 12.85mm, 14.97mm, 17.15mm and 19.39mm, the four communication wire cores are respectively arranged in a cross polyethylene plastic framework with 4 wire grooves, the four communication wire cores and the framework are twisted to form a communication cable core, the twisting pitch is 80mm ~ 100mm, and an aluminum-plastic composite tape, a tinned copper wire braided shielding layer IV and a heat-resistant low-smoke flame-retardant radiation cross-linked polyolefin thin-wall sheath layer IV are sequentially coated on the outer side of the communication.
9. The photoelectric composite cable for the rail transit vehicle as claimed in claim 8, wherein: four end parts of the cross-shaped polyethylene plastic framework are conical, and the interior of the framework is hollow.
10. The photoelectric composite cable for the rail transit vehicle as claimed in claim 1, wherein: the aluminum alloy longitudinal wrapping inner sheath is longitudinally wrapped on the cable core by an aluminum alloy belt, welded joints are welded by argon arc welding, and lines are bundled in a spiral mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921016752.1U CN209822309U (en) | 2019-07-02 | 2019-07-02 | Photoelectric composite cable for rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921016752.1U CN209822309U (en) | 2019-07-02 | 2019-07-02 | Photoelectric composite cable for rail transit vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822309U true CN209822309U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921016752.1U Active CN209822309U (en) | 2019-07-02 | 2019-07-02 | Photoelectric composite cable for rail transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822309U (en) |
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2019
- 2019-07-02 CN CN201921016752.1U patent/CN209822309U/en active Active
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