CN209729531U - Pilotless automobile mixing cable - Google Patents

Abstract

The utility model discloses a kind of pilotless automobile mixing cable, ecto-entad successively includes oversheath, belting layer and shielded layer, and electric unit, micro-coaxial wire unit, ground wire and monitoring core are provided in shielded layer；Micro-coaxial wire unit ecto-entad successively includes internal shield and belting layer, and multiple micro-coaxial wires are provided in belting layer；Micro-coaxial wire is followed successively by inner conductor, insulating layer, outer conductor and inner restrictive coating from inside to outside；Internal and external conductor, which uses, plates silver conductor, and the material of insulating layer and inner restrictive coating is fluoroplastics resistant to high temperature；The material of oversheath is flame-retardant thermoplastic elastomer protective cover material；Micro-coaxial wire unit, power supply line are integrated into a cable by the utility model, monitoring core is added in the cable simultaneously, whole cable structure is optimized, material is carried out simultaneously preferred, guarantee the requirement that the product can meet video signal transmission simultaneously, control signal transmission, electric energy supply, while cable core has excellent Electro Magnetic Compatibility.

Description

Pilotless automobile mixing cable

Technical field

The utility model relates to a kind of mixing cable, the mixing cable of specifically a kind of pilotless automobile belongs to line Cable manufacturing technology field.

Background technique

It is unmanned to realize that pilotless automobile relies primarily on the interior intelligent driving instrument based on computer system Purpose.It is vehicle-periphery is perceived using onboard sensor, and according to perceive road obtained, vehicle location and Obstacle information, controls the steering and speed of vehicle, to enable the vehicle to reliably and securely travel on road.Wherein, nothing Image and video identification are most important perception approach in unmanned in people's driving sensory perceptual system, mainly pass through and take the photograph It completes to work accordingly as head.Since present camera pixel is higher, it is desirable that transmission cable answers transmission capacity with higher； Since camera needs non-stop run, therefore needs to connect electric unit and continuously powered；In addition, the working condition of video camera Need corresponding real time monitoring core.Simultaneously because interior special use environment, it is also necessary to transmission cable have it is small in size, Temperature resistant grade is high, wear-resisting, good bandability, the characteristics such as electromagnetic interference inside and outside shielding.

In order to meet above-mentioned requirements, video transmission line use is individually same in pilotless automobile camera cable at present Axis is transmitted, and electric unit is powered using individual power cable.This kind of cable has the following problems: 1, micro-coaxial wire Individually to lay, transmission capacity is less when use, simultaneously because lacking stiffener, easily occurs broken string phenomenon in use process. 2, cable is not connected to the monitoring core of camera, can not monitor in real time to its working condition.3, micro-coaxial wire and electricity Source line is independent from each other unit, needs to be respectively connected to camera, therefore volume is larger, occupied space is more, is not easy to cable It is laid with, while also increasing the self weight of automobile.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of pilotless automobile mixing cable, the blend Cable can meet the requirement of video signal transmission, the transmission of control signal and electric energy supply simultaneously, while have excellent electromagnetism Compatibility.

The technical solution that the utility model solves above-mentioned technical problem is:

A kind of pilotless automobile mixing cable, ecto-entad successively includes oversheath, belting layer and shielded layer, institute It states and is provided with electric unit, micro-coaxial wire unit, ground wire, monitoring core and filling in shielded layer.

The material of the oversheath is flame-retardant thermoplastic elastomer (TPE) protective cover material, which has tensile strength high, resistance to Warm grade is high, the excellent properties such as soft, fire-retardant, guarantees that it lays electrical and stable mechanical performance, material in use process in the car Expect indeformable.

The shielded layer includes screening braid and shielding aluminium foil layer, and the screening braid is outside shielding aluminium foil layer.Institute Stating shielding aluminium foil layer material is plastic-aluminum metal tape, and the screening braid is woven using tinned copper wire.Shielded layer uses two-sided aluminium The double layer screen form that modeling metal tape adds tinned copper wire to weave, wherein aluminum plastic belt using to be among metallic aluminium be on two sides plastics band Material guarantees that internal ground wire, coaxial line shielded layer and outer braid can be with the good contact of double-sided aluminum plastic metal tape, the shieldings Form can effectively shield interference, have good Electro Magnetic Compatibility.

The electric unit includes one or more power supply line, and the power supply line includes the electricity outside power conductor and power conductor Source insulating layer.

The micro-coaxial wire unit ecto-entad successively includes internal shield and belting layer, is provided in the belting layer more A micro-coaxial wire has strengthening core between the micro-coaxial wire；The micro-coaxial wire is followed successively by inner conductor, insulation from inside to outside Layer, outer conductor and inner restrictive coating；The inner conductor, outer conductor are using plating silver conductor, the material of the insulating layer and inner restrictive coating For fluoroplastics resistant to high temperature；The strengthening core is aramid fiber anti-tensile element.Video image transmission uses micro-coaxial wire, coaxial line tool There are the characteristics such as bending radius is small, transmission capacity is big, transmission attenuation is small, can be used for transmitting the vision signal of high quality, guarantees video Signal can be with real-time Transmission to data processing end.To improve transmission capacity, the design is twisted by more (such as four) micro-coaxial wires Together.To avoid occurring broken string phenomenon in core use process, intermediate in twisted core places aramid fiber anti-tensile element.Together When, to avoid interference of the external electromagnetic field to signal wire, wrapped one layer of metal mask tape (internal shield) outside twisted cable core, Such as single side aluminium foil.

The monitoring core includes the monitoring core insulating layer monitored outside cable core conductor and monitoring cable core conductor；The monitoring Cable core conductor uses tin plating stranded conductor, and the monitoring core insulating layer material is flame retardant thermoplastic elastomer material.Monitor line Core conductor uses flame-retardant thermoplastic elastomer material using the tin plating stranded conductor structure for meeting UL requirement, monitoring core insulating layer The features such as material, the Insulation Material is fire-retardant, soft, temperature resistant grade is high, wear-resisting.It, can be to the work of camera as monitoring core State is monitored in real time, it is ensured that can in time be fed back relevant information to data processing end when equipment breaks down, be avoided vehicle There is the problem of dangerous traveling.

The utility model has the beneficial effects that

1, for micro-coaxial wire internal and external conductor using the plating silver conductor to conduct electricity very well, insulation and sheath are high using temperature resistant grade Fluoroplastics twist together four micro-coaxial wires, and centre uses aramid fiber reinforcer, while in the wrapped single side aluminum foil shielded of outer layer Layer, not only transmission capacity is high, but also tensile strength is big, while also having the effect of good shielding electromagnetic interference.

2, will monitoring core be added to mixing cable in, the monitoring core can the working condition to camera supervised in real time Control, to guarantee that equipment is in normal working condition always.

3, the double shield form that shielded layer is woven using double-sided aluminum foil metal tape and tinned copper wire, can shield low frequency simultaneously With the interference of frequency electromagnetic waves, guarantee core will not influence other during the work time not by the interference of outer signals The communications status of equipment.

4, oversheath uses flame retardant thermoplastic elastomer material, which has excellent high-low temperature resistant, fire-retardant etc. excellent Cable core can be effectively protected not by the damage of external mechanical performance in performance.

5, micro-coaxial wire unit, electric unit and monitoring core are combined in a cable, are avoided repeatedly multi-cable is same When access camera, that is, save space, coaxial line avoided to break, and alleviate the self weight of vehicle, facilitate laying installation.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model cable.

Fig. 2 is the structural schematic diagram of micro-coaxial wire.

Specific embodiment

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

As shown in Figure 1, a kind of pilotless automobile mixing cable, ecto-entad successively include:

The material of oversheath 1, oversheath 1 is flame-retardant thermoplastic elastomer (TPE) protective cover material, such as Sheng Jialun rubber and plastic (Shenzhen) The TPE of limited liability company's production.

Belting layer 2 is formed by band is wrapped.

Shielded layer, shielded layer include screening braid 3 and shielding aluminium foil layer 4, and screening braid 3 is outside shielding aluminium foil layer. Wherein shielding 4 material of aluminium foil layer is plastic-aluminum metal tape, and screening braid 3 is woven using tinned copper wire.The shielding form can have The shielding of effect is interfered, and has good Electro Magnetic Compatibility.

Electric unit, micro-coaxial wire unit 8, ground wire 5, monitoring core and filling 9 are provided in shielded layer, it is electric unit, micro- Coaxial line unit 8, ground wire 5, monitoring core and the arrangement mode of filling 9 are as shown in Figure 1, in which:

Electric unit includes two power supply lines being arranged above and below, and power supply line includes the electricity outside power conductor 11 and power conductor 11 Source insulating layer 10.

As shown in Fig. 2, micro-coaxial wire unit 8 (being located at electric unit side) ecto-entad successively includes internal shield 12 and packet Belt 13, setting has strengthening core 14 between micro-coaxial wire there are four micro-coaxial wire in belting layer 13.Micro-coaxial wire is from inside to outside It is followed successively by inner conductor 18, insulating layer 17, outer conductor 16 and inner restrictive coating 15；Inner conductor 18, outer conductor 16 are using plating silver conductor, absolutely The material of edge layer 17 and inner restrictive coating 15 is fluoroplastics resistant to high temperature, and strengthening core 14 is aramid fiber anti-tensile element.

Video image transmission uses micro-coaxial wire, such as 36AWG coaxial line, the design that four micro-coaxial wires are stranded in one It rises.To avoid occurring broken string phenomenon in core use process, intermediate in twisted core places aramid fiber anti-tensile element.Meanwhile being Interference of the external electromagnetic field to signal wire is avoided, wrapped one layer of single side aluminium foil outside twisted cable core.

Monitoring core (and filling is located at the electric unit other side) includes outside monitoring cable core conductor 7 and monitoring cable core conductor 7 Monitor core insulating layer 6.It monitors cable core conductor 7 and uses tin plating stranded conductor, monitoring 6 material of core insulating layer is flame-proofed thermoplastic Elastomeric material, the TPE produced such as Sheng Jialun rubber and plastic (Shenzhen) limited liability company.The monitoring use of cable core conductor 7 meets UL and wants The tin plating stranded conductor structure asked, monitoring core insulating layer 6 use flame retardant thermoplastic elastomer material, and the Insulation Material is fire-retardant, soft Soft, the features such as temperature resistant grade is high, wear-resisting.As monitoring core, the working condition of camera can be monitored in real time, really Protecting can in time feed back relevant information to data processing end when equipment breaks down, and vehicle is avoided asking for dangerous traveling occur Topic.

Micro-coaxial wire unit 8, power supply line are integrated into a cable by the utility model, while monitoring line being added in the cable Then core optimizes the structure of whole cable, while carrying out preferably, guaranteeing that the product can meet vision signal simultaneously to material The requirement that transmission, the transmission of control signal, electric energy supply, while cable core has excellent Electro Magnetic Compatibility.

Above-described embodiment does not limit the utility model in any way, all by the way of equivalent substitution or equivalent transformation The technical solution of acquisition is all fallen in the protection scope of the utility model.

Claims (7)

1. a kind of pilotless automobile mixing cable, it is characterised in that ecto-entad successively includes oversheath, belting layer and screen Layer is covered, electric unit, micro-coaxial wire unit, ground wire and monitoring core are provided in the shielded layer；The micro-coaxial wire unit by Outside to inside successively include internal shield and belting layer, be provided with multiple micro-coaxial wires in the belting layer, the micro-coaxial wire it Between have strengthening core；The micro-coaxial wire is followed successively by inner conductor, insulating layer, outer conductor and inner restrictive coating from inside to outside；In described Conductor, outer conductor, which use, plates silver conductor, and the material of the insulating layer and inner restrictive coating is fluoroplastics resistant to high temperature；The strengthening core For aramid fiber anti-tensile element；The shielded layer includes screening braid and shielding aluminium foil layer, and the screening braid is in shielding aluminium foil Layer is outer；The material of the oversheath is flame-retardant thermoplastic elastomer protective cover material.

2. a kind of pilotless automobile according to claim 1 mixing cable, it is characterised in that: set in the shielded layer It is equipped with filling.

3. a kind of pilotless automobile according to claim 1 mixing cable, it is characterised in that: the monitoring core packet It includes monitoring cable core conductor and monitors the monitoring core insulating layer outside cable core conductor；The monitoring cable core conductor is led using tin plating be twisted Body, the monitoring core insulating layer material are flame retardant thermoplastic elastomer material.

4. a kind of pilotless automobile according to claim 1 mixing cable, it is characterised in that: the shielding aluminium foil layer Material is plastic-aluminum metal tape.

5. a kind of pilotless automobile according to claim 1 mixing cable, it is characterised in that: the screening braid It is woven using tinned copper wire.

6. a kind of pilotless automobile according to claim 1 mixing cable, it is characterised in that: the electric unit includes One or more power supply line, the power supply line include the mains isolation layer outside power conductor and power conductor.

7. a kind of pilotless automobile according to claim 1 mixing cable, it is characterised in that: the internal shield by Single side aluminium foil is formed.