CN202796122U

CN202796122U - Universal serial bus (USB) port high frequency data transmission cable for automobile

Info

Publication number: CN202796122U
Application number: CN 201220443460
Authority: CN
Inventors: 李庆森
Original assignee: SHANGHAI FUERXIN CABLE CO Ltd
Current assignee: SHANGHAI FUERXIN CABLE CO Ltd
Priority date: 2012-08-31
Filing date: 2012-08-31
Publication date: 2013-03-13
Anticipated expiration: 2022-08-31

Abstract

The utility model provides a universal serial bus (USB) port high frequency data transmission cable for an automobile. The USB port high frequency data transmission cable comprises four insulation wire cores stranded in star-like stranding mode. Two are signal insulation wire cores, and the other two are power supply insulation wire cores. Center points of the signal insulation wire cores are located on two endpoints of a diagonal of a square, and center points of the power supply insulation wire cores are located on two endpoints of another diagonal. Each signal insulation wire core is formed by a wire core conductor and a first wire core insulation layer, and each power supply insulation wire core is formed by a wire core conductor and a second wire core insulation layer. An aluminum foil shielding layer is wrapped outside the four insulation wire cores to form an insulation wire core unit. A grounding wire is arranged outside the insulation wire core unit, a weaving shielding layer wraps the insulation wire core unit and the grounding wire, and an outer sheath is wrapped outside the weaving shielding layer. The cable improves anti-jamming capability and gives consideration to the power supply, a control circuit of the power supply and transmission of signals of the power supply.

Description

A kind of automobile USB interface high-frequency data transmission cable

Technical field

The utility model relates to a kind of novel automobile USB interface high-frequency data transmission cable.

Background technology

Automotive electronics line products take data cable as representative, the application on automobile is more and more general, and efficiency of transmission is also more and more higher.Along with the consumer is more and more higher to the pursuit of quality of life, except the automotive interior environmental amenity has been proposed the requirements at the higher level, also more and more higher to convenience and the stability requirement of external electronic product information input.The antijamming capability of tradition USB cable can't satisfy the requirement of automotive interior complex environment, and in addition, the electronic apparatus system of automotive interior is very complicated, and traditional USB cable also can't meet the demands, thereby can cause transfer of data to go wrong.In addition, traditional USB cable generally all only has two signal cores, the non-transformer core, and this is to satisfy requirement that automobile uses flexibly cable.Therefore, for prevent electromagnetic interference and satisfy each large motor corporation for the communication of automobile electric wire in the requirement aspect stability and the agility, be necessary the structure and material of data cable is improved.

The utility model content

Technical problem to be solved in the utility model is in order to overcome the defective of prior art, a kind of novel automobile USB interface high-frequency data transmission cable is provided, this cable can improve antijamming capability greatly, takes into account simultaneously the transmission of power supply and control circuit thereof and signal.

The utility model solves above-mentioned technical problem by following technical proposals.

The technical scheme that the utility model provides is: a kind of automobile USB interface high-frequency data transmission cable, it comprises four insulated wire cores, wherein two is the signal isolation core, and two is the mains isolation core, and described four insulated wire cores twist together in star-like stranded mode; On the cross section of described cable, the central point of described four insulated wire cores lays respectively on foursquare four summits, the central point of described signal isolation core is positioned on two end points of described foursquare a pair of linea angulata, and the central point of described mains isolation core is positioned on described foursquare another cornerwise two end points; Each signal isolation core is made of a core conductor and a First Line core insulation layer that is coated on described core conductor outside, and each mains isolation core is made of a core conductor and the one second core insulating barrier that is coated on described core conductor outside; At described four insulated wire cores expoeridiums one foil shielding layer is arranged, described foil shielding layer and described four insulated wire cores consist of an insulated wire cores unit; Outside described insulated wire cores unit an earth connection is set, the coated described insulated wire cores unit of a woven shield and described earth connection have an oversheath at described woven shield expoeridium.

In the utility model, the material of the core conductor of described signal isolation core and mains isolation core is the material of this area routine, preferably copper, more preferably the anaerobic high purity copper of purity 〉=99.995%.Described core conductor preferably forms by the annealed copper monofilament is stranded.The material of described First Line core insulation layer is the material of this area routine, preferably be selected from communication stage polypropylene, communication stage polyethylene, polyvinyl chloride and the crosslinked polyethylene any, the preferred communication grade polypropylene, most preferably heatproof is 90 ℃ communication stage polypropylene.The material of described the second core insulating barrier is the material of this area routine, preferably is selected from polyvinyl chloride, crosslinked polyethylene, cross-linked polrvinyl chloride and the polyurethane any, preferred polyvinyl chloride, and most preferably heatproof is 105 ℃ polyvinyl chloride.

In the utility model, the material of described earth connection is the material of this area routine, the bare copper wire of preferably annealing.The preferred tinned copper wire of the material of described woven shield, the more preferably tinned copper wire of monofilament external diameter 〉=0.1mm; The count of described woven shield preferably 〉=90%.The preferred polyvinyl chloride of the material of described oversheath, most preferably heatproof is 105 ℃ polyvinyl chloride.

In the utility model, the described automobile preferred 4.8mm～5.0mm of diameter of USB interface high-frequency data transmission cable.The thickness of described First Line core insulation layer and the second core insulating barrier is preferred 〉=0.20mm.The thickness of described foil shielding layer is preferred 〉=0.025mm.The thickness of described oversheath is preferred 〉=0.20mm.

Positive progressive effect of the present utility model is:

(1) traditional USB cable is in order to keep rounding property, and the general processing mode that adopts extruding tends to destroy screen, affects the antijamming capability of cable; And the utility model adopts star-like stranded mode, has guaranteed the rounding property of cable, has greatly improved interference free performance, has also guaranteed the characteristics that sheath is peeled off easily, makes things convenient for wire harness processing, meets very much the automotive interior use to the requirement of cable;

(2) traditional signal controlling cable, conductor structure and size do not meet the requirement of car gage, be not easy to walk with world's pace, and cable described in the utility model meet car gage fully to the requirement of electric wire;

(3) material of insulated wire cores and oversheath has adopted the material of high-mechanical property, high abrasion, and surpass 15 years useful life, greatly is better than traditional USB cable.

Description of drawings

Below in conjunction with description of drawings feature of the present utility model and beneficial effect.

Fig. 1 is the cross sectional representation of USB interface high-frequency data transmission cable of the present utility model.

Embodiment

Embodiment of the present utility model describes with reference to the accompanying drawings.In Figure of description, the element with similar structures or function will represent with identical component symbol.Accompanying drawing is each embodiment of the present utility model for convenience of explanation just, is not to carry out to the utility model the explanation of exhaustive, neither limit scope of the present utility model.

Embodiment 1

The USB interface high-frequency data transmission cable of automobile as shown in Figure 1, it comprises four insulated wire cores, wherein two is signal isolation core 7, two is mains isolation core 8, described four insulated wire cores twist together in star-like stranded mode, on the cross section of described cable, the central point of described four insulated wire cores lays respectively on foursquare four summits, the central point of described signal isolation core 7 is positioned on two end points of described foursquare a pair of linea angulata, and the central point of described mains isolation core 8 is positioned on described foursquare another cornerwise two end points; Each signal isolation core 7 is made of a core conductor 1 and a First Line core insulation layer 2 that is coated on described core conductor 1 outside, and each mains isolation core 8 is made of a core conductor 1 and the one second core insulating barrier 9 that is coated on described core conductor 1 outside; At described four insulated wire cores expoeridiums one foil shielding layer 3 is arranged, described foil shielding layer 3 consists of an insulated wire cores unit with described four insulated wire cores; One earth connection, 5, one woven shields, 4 coated described insulated wire cores unit and described earth connections 5 are set outside described insulated wire cores unit, at described woven shield 4 expoeridiums one oversheath 6 are arranged.

In the present embodiment, the material of described core conductor 1 is the anaerobic high purity copper; The material of described First Line core insulation layer 2 is that heatproof is 90 ℃ communication stage polypropylene; The material of described the second core insulating barrier 9 is that heatproof is 105 ℃ polyvinyl chloride.The material of described earth connection 5 is copper.The material of described woven shield 4 is that the monofilament external diameter is the tinned copper wire of 0.1mm, and the count of described woven shield 4 is 90%; The material of described oversheath 6 is that heatproof is 105 ℃ polyvinyl chloride.

The automobile of present embodiment is 5.0mm with the diameter of USB interface high-frequency data transmission cable, and the thickness of its First Line core insulation layer 2 is 0.20mm; The thickness of the second core insulating barrier 9 is 0.20mm; The thickness of foil shielding layer 3 is 0.025mm; The thickness of oversheath 6 is 0.48mm.

The described automobile of present embodiment is superior with the interference free performance of USB interface high-frequency data transmission cable, has simultaneously good data transmission stability and agility, satisfies the requirement of ISO 14572 and German LV112 standard fully.

Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present utility model and essence, these changes and modification all fall into protection range of the present utility model.

Claims

1. an automobile is with USB interface high-frequency data transmission cable, it is characterized in that it comprises four insulated wire cores, wherein two is signal isolation core (7), two is mains isolation core (8), and described four insulated wire cores twist together in star-like stranded mode; On the cross section of described cable, the central point of described four insulated wire cores lays respectively on foursquare four summits, the central point of described signal isolation core (7) is positioned on two end points of described foursquare a pair of linea angulata, and the central point of described mains isolation core (8) is positioned on described foursquare another cornerwise two end points; Each signal isolation core (7) is made of a core conductor (1) and the First Line core insulation layer (2) that is coated on described core conductor (1) outside, and each mains isolation core (8) is by a core conductor (1) and be coated on one second core insulating barrier (9) formation of described core conductor (1) outside; At described four insulated wire cores expoeridiums one foil shielding layer (3) is arranged, described foil shielding layer (3) consists of an insulated wire cores unit with described four insulated wire cores; One earth connection (5) is set outside described insulated wire cores unit, and the coated described insulated wire cores unit of a woven shield (4) and described earth connection (5) have an oversheath (6) at described woven shield (4) expoeridium.

2. automobile as claimed in claim 1 is characterized in that with USB interface high-frequency data transmission cable the material of described core conductor (1) is copper.

3. automobile as claimed in claim 1 is characterized in that with USB interface high-frequency data transmission cable described core conductor (1) forms by the annealed copper monofilament is stranded.

4. automobile as claimed in claim 1 is characterized in that with USB interface high-frequency data transmission cable the material of described First Line core insulation layer (2) is selected from any in communication stage polypropylene, communication stage polyethylene, polyvinyl chloride and the crosslinked polyethylene; The material of described the second core insulating barrier (9) is selected from any in polyvinyl chloride, crosslinked polyethylene, cross-linked polrvinyl chloride and the polyurethane.

5. automobile as claimed in claim 1 is characterized in that with USB interface high-frequency data transmission cable the material of described First Line core insulation layer (2) is the communication stage polypropylene; The material of described the second core insulating barrier (9) is polyvinyl chloride.

6. automobile as claimed in claim 1 is characterized in that with USB interface high-frequency data transmission cable the material of described First Line core insulation layer (2) is that heatproof is 90 ℃ communication stage polypropylene; The material of described the second core insulating barrier (9) is that heatproof is 105 ℃ polyvinyl chloride.

7. automobile as claimed in claim 1 is characterized in that with USB interface high-frequency data transmission cable, and the material of described earth connection (5) is the annealing bare copper wire; The material of described woven shield (4) is tinned copper wire, the count of described woven shield (4) 〉=90%; The material of described oversheath (6) is polyvinyl chloride.

8. automobile as claimed in claim 1 is characterized in that the thickness 〉=0.20mm of described First Line core insulation layer (2) and the second core insulating barrier (9) with USB interface high-frequency data transmission cable; Thickness 〉=the 0.025mm of described foil shielding layer (3); Thickness 〉=the 0.20mm of described oversheath (6).