CN217588527U - Photoelectric hybrid cable for vehicle - Google Patents
Photoelectric hybrid cable for vehicle Download PDFInfo
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- CN217588527U CN217588527U CN202220633525.9U CN202220633525U CN217588527U CN 217588527 U CN217588527 U CN 217588527U CN 202220633525 U CN202220633525 U CN 202220633525U CN 217588527 U CN217588527 U CN 217588527U
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- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 230000008054 signal transmission Effects 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 83
- 239000013307 optical fiber Substances 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 10
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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Abstract
The utility model relates to a photoelectric hybrid cable for vehicles, which comprises a cable core; the cable core comprises a signal unit, an optical unit and an electric unit; the signal unit comprises a plurality of signal wires, and the outer sides of the signal wires are coated with a first shielding layer; the signal unit, the optical unit and the electric unit are mutually twisted, and second shielding layers are arranged on the outer sides of the signal unit, the optical unit and the electric unit; the first shielding layer comprises a first inner shielding layer and a first metal braided layer, and the first metal braided layer is arranged on the outer side of the first inner shielding layer; the second shielding layer comprises a second inner shielding layer and a second metal braided layer, and the second metal braided layer is arranged on the outer side of the second inner shielding layer. The utility model discloses with many pencil integrations in a cable, conveniently lay, the inside mode that adopts double-shielded of cable core simultaneously avoids external signal to the interference of cable core internal signal transmission, guarantees internal signal transmission's stability.
Description
Technical Field
The utility model belongs to the technical field of the cable manufacturing technique and specifically relates to indicate a photoelectric hybrid cable for vehicle.
Background
The development and application of current road vehicle autopilot and unmanned technologies are rapidly advanced, and the first one is faced with the higher demand for transmission cables for efficiency and accuracy of information transmission and modularity and integration of equipment.
In the prior art, in order to meet the use requirement of equipment on cables, communication cables, signal cables and power lines are generally required to be laid simultaneously. Under the condition that signal interference exists in the using process of equipment, a signal source is very easy to transmit to communication equipment in a vehicle through a power line, so that error codes are generated in information transmission equipment, the information transmission efficiency is reduced, and even the equipment cannot work normally completely; and a plurality of wire harnesses are laid simultaneously, so that more space is occupied, the integration of the manufactured assembly is poor, and the weight of the wire harnesses is large.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that overcome among the prior art that the multiple cable of cable for the vehicle is laid simultaneously, integrate low when inserting equipment to can produce signal interference's defect between the multiple cable, need design a photoelectric mixed cable for the vehicle.
In order to solve the technical problem, the utility model provides a photoelectric hybrid cable for vehicles, which comprises a cable core;
the cable core comprises a signal unit, an optical unit and an electric unit; the signal unit comprises a plurality of signal wires, and the outer sides of the signal wires are wrapped with first shielding layers; the signal unit, the optical unit and the electric unit are mutually twisted, and second shielding layers are arranged on the outer sides of the signal unit, the optical unit and the electric unit;
the first shielding layer comprises a first inner shielding layer and a first metal braid, and the first metal braid is arranged on the outer side of the first inner shielding layer; the second shielding layer comprises a second inner shielding layer and a second metal woven layer, and the second metal woven layer is arranged on the outer side of the second inner shielding layer.
The utility model discloses an embodiment, the outside of cable core is provided with the oversheath layer, the oversheath layer is in through the extrusion molding cladding the outside of cable core.
In an embodiment of the present invention, a tape is disposed between the outer sheath layer and the second metal braid layer, and the tape is wrapped around the outside of the second metal braid layer.
In an embodiment of the present invention, the signal line includes two signal branch lines, two of the signal branch lines are twisted to form the signal line, and many of the signal lines are connected by twisting.
In an embodiment of the present invention, it is characterized in that: the signal branching unit comprises a signal transmission conductor, and a first insulating layer is coated on the outer side of the signal transmission conductor.
In an embodiment of the present invention, the optical unit includes an optical fiber and an optical fiber protection layer, and the optical fiber protection layer is tightly sleeved on an outer side of the optical fiber.
In an embodiment of the invention, the electrical unit comprises a copper conductor, the outside of which is coated with a second insulating layer.
In an embodiment of the utility model, be provided with the packing between signal unit, light unit and the electric unit, the packing is aramid fiber.
In an embodiment of the present invention, a tear string is disposed between the signal unit, the light unit and the electrical unit.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the photoelectric hybrid cable for the vehicle is internally provided with the signal unit, the optical unit and the electric unit, and the first shielding layer is arranged outside the signal unit, so that the interference of an external signal to a signal transmitted by an internal signal line can be effectively prevented; meanwhile, a second shielding layer is added on the outer sides of the signal unit, the optical unit and the electric unit to prevent interference on optical signals inside the second shielding layer; and the first shielding layer and the second shielding layer both adopt a method of adding a metal protective layer on the inner shielding layer, so that the stability of information transmission of the internal signal unit and the optical unit is further improved.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the present invention;
figure 2 is a schematic structural view of the cable core of figure 1;
FIG. 3 is a schematic diagram of the structure of the signal unit in FIG. 2;
description reference numbers indicate: 1. a cable core; 2. an outer jacket layer; 11. a signal unit; 12. a first shielding layer; 13. a light unit; 14. an electrical unit; 15. filling; 16. tearing the rope; 17. a second shielding layer; 18. and (4) a wrapping tape.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, the utility model discloses a photoelectric hybrid cable for vehicles, which comprises a cable core 1;
referring to fig. 2, the cable core 1 comprises a signal unit 11, an optical unit 13 and an electrical unit 14; the signal unit 11 comprises a plurality of signal lines, and the outer sides of the plurality of signal lines are coated with a first shielding layer 12; the signal unit 11, the optical unit 13 and the electrical unit 14 are twisted with each other, and a second shielding layer 17 is arranged on the outer sides of the signal unit 11, the optical unit 13 and the electrical unit 14;
the first shielding layer 12 comprises a first inner shielding layer and a first metal braid, and the first metal braid is arranged on the outer side of the first inner shielding layer; the second shielding layer 17 includes a second inner shielding layer and a second metal braid, and the second metal braid is disposed outside the second inner shielding layer.
It can be seen that the utility model discloses placed signal unit 11, optical unit 13 and 14 three kinds of transmission cables of electric unit in a cable inside, integrated production with many pencil to signal unit 11 to inside transmission information has carried out double-deck shielding, guarantees whole cable transmission information's stability. Specifically, a first shielding layer 12 is provided on the outer side of the signal unit 11, and a second shielding layer 17 is provided on the outer sides of the signal unit 11, the optical unit 13, and the electrical unit 14; wherein the first shielding layer 12 and the second shielding layer 17 can be divided into an inner shielding layer and a metal braid layer. In a preferred embodiment of the present invention, the first inner shield layer and the second inner shield layer are made of aluminum foil, and the aluminum foil is wrapped around the signal line. The aluminum foil is selected as the inner shielding layer because the aluminum foil is light in weight, easy to obtain and low in cost. The first metal woven layer and the second metal woven layer are made of copper wires, so that the electromagnetic interference can be well prevented, and the shielding effect is further improved; and simultaneously, the tensile resistance of the whole cable can be improved.
Further, an outer sheath layer 2 is arranged on the outer side of the cable core 1, and the outer sheath layer 2 is coated on the outer side of the cable core 1 through extrusion molding; and a wrapping tape 18 is arranged between the outer sheath layer 2 and the second metal braided layer, and the wrapping tape 18 is wrapped on the outer side of the second metal braided layer.
Specifically, the outer sheath layer 2 is arranged on the outermost side of the whole cable to protect the inner cable core 1 from being damaged, so that the tensile strength and the abrasion resistance of the whole cable are improved; as a preferred scheme, the outer sheath material is low-smoke halogen-free flame-retardant polyolefin, generates little smoke under the condition of flame combustion, releases no halogen element and is non-toxic (low-toxicity); when a fire disaster happens, the harm to instruments and equipment to human bodies can be greatly reduced. A wrapping tape 18 is additionally arranged between the outer sheath layer 2 and the second metal braided layer, and the wrapping tape is mainly used for preventing the outer sheath layer 2 from being damaged by the metal braided layer in the extrusion molding process, so that the protective and buffering effects are achieved; preferably, the material of the wrapping tape 18 is non-woven fabric, which has better corrosion resistance and vulcanization resistance.
Further, referring to fig. 3, the signal line includes two signal splits, the two signal splits are twisted in pairs to form a signal line, and a plurality of signal lines are twisted and connected; the signal distributing line comprises a signal transmission conductor, and a first insulating layer is coated on the outer side of the signal transmission conductor.
The two signal wires are twisted in pairs to reduce the external interference of the signals and resist partial external electromagnetic wave interference, so that the stability of the transmitted signals is ensured; as a preferred scheme, the signal transmission conductor is made of metal copper, and has a good transmission effect.
Further, the optical unit 13 includes an optical fiber and an optical fiber protection layer, and the optical fiber protection layer is tightly sleeved on the outer side of the optical fiber; specifically, the optical fiber in the optical unit 13 transmits the optical signal, and a protective sleeve is tightly sleeved outside the optical fiber, so that the optical fiber can be effectively protected from being damaged, and the flexibility of the optical fiber is improved.
Further, the electrical unit 14 includes a copper conductor, and the outside of the copper conductor is covered with a second insulating layer; the copper metal is selected as the conductor of the electric unit 14, so that the electric unit 14 has good conductive performance, and the second insulating layer covers the outer side to achieve an insulating effect and increase the tensile strength of the electric unit 14.
Furthermore, a filler 15 is arranged among the signal unit 11, the optical unit 13 and the electric unit 14, and the filler 15 is aramid fiber; the gaps among the signal unit 11, the optical unit 13 and the electrical unit 14 are filled with aramid fibers, so that the tensile strength of the cable can be increased, and a waterproof effect is achieved.
Furthermore, a tearing rope 16 is arranged among the signal unit 11, the light unit 13 and the electric unit 14; specifically, when the cable is laid and the butt joint with the equipment is completed, the internal wiring harness can be well separated by tearing the rope 16, and the equipment can be conveniently accessed.
To sum up, the utility model discloses a photoelectric hybrid cable for vehicles, which structurally integrates a signal unit 11, an optical unit 13 and an electric unit 14 inside the cable, so that signal transmission, optical signal transmission and power supply can be completed, and the integrated cable is convenient to lay; functionally, the first shielding layer 12 is coated on the outer side of the signal unit 11, so that interference of other cables on signals transmitted by the signal unit 11 can be effectively avoided, and the stability of signal transmission is ensured; secondly, the outside of whole cable core 1 is wrapped with second shielding layer 17, protects the stable transmission of signal of optical unit 13, has further avoided the interference of external signal to the signal in signal unit 11 simultaneously, guarantees the normal use of each item electronic component of vehicle in the in-process of traveling. The utility model adopts a double-shielding structure, and various transmission modes are not interfered; multiple cable integration is in a cable, makes things convenient for access to equipment.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides a hybrid optical-electrical cable for vehicle which characterized in that: comprises a cable core;
the cable core comprises a signal unit, an optical unit and an electric unit; the signal unit comprises a plurality of signal wires, and the outer sides of the signal wires are wrapped with first shielding layers; the signal unit, the optical unit and the electric unit are mutually twisted, and second shielding layers are arranged on the outer sides of the signal unit, the optical unit and the electric unit;
the first shielding layer comprises a first inner shielding layer and a first metal braided layer, and the first metal braided layer is arranged on the outer side of the first inner shielding layer; the second shielding layer comprises a second inner shielding layer and a second metal woven layer, and the second metal woven layer is arranged on the outer side of the second inner shielding layer.
2. The hybrid optical/electrical cable for a vehicle according to claim 1, wherein: the outside of cable core is provided with the oversheath layer, the oversheath layer passes through the extrusion molding cladding in the outside of cable core.
3. The hybrid optical/electrical cable for a vehicle according to claim 2, wherein: and a wrapping tape is arranged between the outer sheath layer and the second shielding layer and is wrapped on the outer side of the second shielding layer.
4. The hybrid optical/electrical cable for a vehicle according to claim 1, wherein: the signal lines comprise two signal branch lines, the two signal branch lines are twisted in pairs to form the signal lines, and the signal lines are connected in a twisted mode.
5. The hybrid optical/electrical cable for a vehicle according to claim 4, wherein: the signal branching unit comprises a signal transmission conductor, and a first insulating layer is coated on the outer side of the signal transmission conductor.
6. The hybrid optical/electrical cable for a vehicle according to claim 1, wherein: the optical unit comprises an optical fiber and an optical fiber protective layer, and the optical fiber protective layer is tightly sleeved on the outer side of the optical fiber.
7. The hybrid optical/electrical cable for a vehicle according to claim 1, wherein: the electric unit comprises a copper conductor, and a second insulating layer is coated on the outer side of the copper conductor.
8. The hybrid optical/electrical cable for a vehicle according to claim 1, wherein: and filling is arranged among the signal unit, the optical unit and the electric unit, and the filling is aramid fiber.
9. The hybrid optical/electrical cable for a vehicle according to claim 1, wherein: a tearing rope is arranged among the signal unit, the light unit and the electric unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220633525.9U CN217588527U (en) | 2022-03-22 | 2022-03-22 | Photoelectric hybrid cable for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220633525.9U CN217588527U (en) | 2022-03-22 | 2022-03-22 | Photoelectric hybrid cable for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217588527U true CN217588527U (en) | 2022-10-14 |
Family
ID=83539308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220633525.9U Active CN217588527U (en) | 2022-03-22 | 2022-03-22 | Photoelectric hybrid cable for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217588527U (en) |
-
2022
- 2022-03-22 CN CN202220633525.9U patent/CN217588527U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hybrid optoelectronic cable for vehicles Granted publication date: 20221014 Pledgee: Bank of China Limited Changshu branch Pledgor: CHANGSHU XINHUA ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980007966 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |