CN206058974U - A kind of electric automobile charging pile cable - Google Patents

Abstract

The utility model discloses a kind of electric automobile charging pile cable; including the cable outer layer of cable inner core and bag outside cable inner core; cable outer layer includes PP lapping layers, Halogen TPE inner liners and Halogen TPE external protections from inside to outside, and the total screen layer of copper strips as ground protection line is provided between Halogen TPE inner liners and Halogen TPE external protections.Cable inner core includes the power cable for transmitting charging pile electric energy and the signal-transmitting cable for transmitting charging pile signal, and 3 groups of power cables are equidistantly stranded on the excircle of signal-transmitting cable.Signal-transmitting cable includes 2 groups of signal transmssion lines.2 groups of signal transmssion lines are stranded with 2 tension gasket for packing strandings.This cable is designed using symmetrical structure, eliminates the impact that radial force inequality is caused, and this cable reliability is high, and shield effectiveness is excellent.

Description

A kind of electric automobile charging pile cable

Technical field

This utility model belongs to the technical field of electric wire, specifically, is related to a kind of electric automobile charging pile cable.

Background technology

To the increasingly serious energy, weather, environmental problem, oneself is increasingly becoming global common recognition to develop new-energy automobile. And with China's increasingly serious mist thunderbolt phenomenon in each big city in recent years, the own Jing of auto industry cannot be with the reality that keep away energy-saving and emission-reduction And urgency.Existing new-energy automobile place catalogue, break regional protectionism, purchase electric motor car and can remove purchase tax from.Country The new-energy automobile put into effect successively support policy indication electric automobile popularization oneself be trend of the times, this will also make charging cable The market demand greatly promote.Therefore the exploitation of novel electric vehicle charging cable oneself become cable industry and carry out asking of need to solving Topic.

Functionally, charging electric vehicle cable be connected between electric automobile and charging pile for transmitting electric energy Carrier.And modern charging technique then has higher requirement to charging process, that is, need to carry out electric automobile and charging pile it Between information transfer, and appropriate control can be made to charging action.All the time, the security performance of electric automobile is exactly industry Interior focus of attention, its safety are highly valued.Charging electric vehicle cable on the basis of excellent insulating properties are ensured, Should also have higher resistance to ag(e)ing and heat resistance, while the performance of the low-smoke and flame retardant for also needing to possess good, to reduce existing The injury that may occur in accident and loss.

In general, charging electric vehicle cable has two kinds of use patterns:One is disposed on automobile, with foster automobile not Use with environment；Another is then disposed between on the charging column of the occasions such as highway, market, parking lot, hotel, garage.Nothing By which kind of is, charging cable all may be affected by unfavorable conditions such as daylight, air slaking, greasy dirt, humidity, frosts, and is being used In be likely to Jing and will often bend, draw, this all unavoidably causes the scraping of cable, weares and teares, crushes equivalent damage.These are all inevitable Flexibility, flexibility and mechanicalness to cable has higher requirement.

Utility model content

For deficiency above-mentioned in prior art, this utility model provides a kind of electric automobile charging pile cable, this cable With outstanding flexibility, flexibility and mechanical performance, designed using symmetrical structure, eliminate the shadow that radial force inequality is caused Ring, this cable reliability is high, shield effectiveness is excellent.

In order to achieve the above object, the solution of this utility model employing is：A kind of electric automobile charging pile cable, bag The cable outer layer of cable inner core and bag outside cable inner core is included, implant is provided between cable inner core and cable outer layer, outside cable Layer includes PP lapping layers, Halogen TPE inner liners and Halogen TPE external protections, Halogen TPE inner liners and Halogen TPE from inside to outside The total screen layer of copper strips as ground protection line is provided between external protection.

Cable inner core includes that the power cable for transmitting charging pile electric energy and the signal for transmitting charging pile signal are passed Transmission cable, power cable are provided with 3 groups, and power cable from inside to outside includes power line conductor, power line insulating layer and power line Screen layer；Signal-transmitting cable includes surrounding layer and 2 groups of signal transmssion lines being arranged in surrounding layer, and surrounding layer is wrapped from inside to outside Polyester belt lapping layer and data wire group screen layer are included, signal transmssion line includes mylar lapping layer and is arranged on mylar The data line insulating layer of 2 groups of pair twists in lapping layer, is provided with data wire conductor in data line insulating layer.

Preferably, signal-transmitting cable is arranged on the center of cable outer layer, and 3 groups of power cables are equidistantly stranded in signal transmission On the excircle of cable.

Preferably, 2 tension gasket for packings are provided between polyester belt lapping layer and signal transmssion line, tension gasket for packing is distributed in The both sides of polyester belt lapping layer, 2 groups of signal transmssion lines are stranded with 2 tension gasket for packing strandings.

The beneficial effects of the utility model are that this cable is a kind of reliable AC three-phase charging cable, is fully taken into account Interference effect between cable internal motivation charging system and data control system and between cable and external system, fully The use environment of cable is considered, design symmetry has been carried out to cable, it is identical in radial direction stress when using cable, disappear Except the harmful effect caused by unsymmetric structure discontinuity.Can drop screen layer as centrage and ground protection line Low material and energy resource consumption can improve the reliability of cable work again；All nonmetallic materials are using nothing under nontoxic and high temperature The flexible material of harmful gass release, greatly solves the problems, such as the flexibility and Environmental Safety of cable.

Description of the drawings

Fig. 1 is the cross-sectional view of electric automobile charging pile cable of the present utility model.

Fig. 2 is the cross-sectional view of signal-transmitting cable of the present utility model.

In accompanying drawing：

10th, implant；21st, PP lapping layers；22nd, Halogen TPE inner liners；23rd, the total screen layer of copper strips；24th, protect outside Halogen TPE Sheath；31st, power line conductor；32nd, power line insulating layer；33rd, power line screen layer；41st, polyester belt lapping layer；42nd, data wire Group screen layer；43rd, mylar lapping layer；44th, data line insulating layer；45th, data wire conductor；46th, tension gasket for packing.

Specific embodiment

This utility model is further described below in conjunction with accompanying drawing：

See figures.1.and.2, this utility model provides a kind of electric automobile charging pile cable, including cable inner core and bag exist Cable outer layer outside cable inner core, is provided with implant 10 between cable inner core and cable outer layer, cable outer layer includes from inside to outside PP lapping layers 21, Halogen TPE inner liners 22 and Halogen TPE external protections 24, protect outside Halogen TPE inner liners 22 and Halogen TPE The total screen layer 23 of copper strips as ground protection line is provided between layer 24, PP lapping layers 21 play a part of to tighten cable inner core； Interference between Halogen TPE inner liners 22 and the total abatement cable inner core of screen layer 23 of copper strips and the external world functions simultaneously as ground protection line Use.

Cable inner core includes that the power cable for transmitting charging pile electric energy and the signal for transmitting charging pile signal are passed Transmission cable, power cable are provided with 3 groups, and power cable from inside to outside includes power line conductor 31, power line insulating layer 32 and moves Line of force screen layer 33；Power line screen layer 33 plays abatement power line interference to external world and functions simultaneously as neutral conductor use.Signal Transmission cable includes surrounding layer and 2 groups of signal transmssion lines being arranged in surrounding layer, surrounding layer include from inside to outside polyester belt around Covering 41 and data wire group screen layer 42, signal transmssion line includes mylar lapping layer 43 and to be arranged on mylar wrapped The data line insulating layer 44 of 2 groups of pair twists in layer 43, is provided with data wire conductor 45 in data line insulating layer 44.Data line group is shielded The outside impact to two pairs of data line signals of 42 abatement of layer.This cable is three-phase charging cable, due to the interactivity of charging technique, Charging cable will not only complete the effect that electric energy is transmitted to electric automobile, also need information of voltage, the charging electricity for possessing transmission vehicle The functions such as the control of the electronic information such as cable control, Insulation monitoring and charging action, belong to energy transmission and information transmission combines Comprehensive cable.

In the present embodiment, signal-transmitting cable is arranged on the center of cable outer layer, and 3 groups of power cables are equidistantly stranded in signal On the excircle of transmission cable.

In the present embodiment, 2 tension gasket for packings 46, tension filling between polyester belt lapping layer 41 and signal transmssion line, are provided with Rope 46 is distributed in the both sides of polyester belt lapping layer 41, and 2 groups of signal transmssion lines are stranded with 2 46 strandings of tension gasket for packing.Tension is filled out Fill rope 46 to play a part of to strengthen and fill rounding.

This cable is a kind of reliable AC three-phase charging cable, fully taken into account cable internal motivation charging system with Interference effect between data control system and between cable and external system, has taken into full account the use environment of cable, right Cable has carried out design symmetry, identical in radial direction stress when using cable, eliminates unsymmetric structure unbalance stress Harmful effect caused by even.Screen layer can be reduced into material as centrage and ground protection line and energy resource consumption can be carried again The reliability of high cable work；All nonmetallic materials are using the flexible material without harmful gass release under nontoxic and high temperature Matter, greatly solves the problems, such as the flexibility and Environmental Safety of cable.

Claims (3)

1. a kind of electric automobile charging pile cable, including the cable outer layer of cable inner core and bag outside cable inner core, cable inner core Implant (10) is provided between cable outer layer, be it is characterized in that：Cable outer layer includes PP lapping layers (21), Halogen from inside to outside TPE inner liners (22) and Halogen TPE external protections (24), between Halogen TPE inner liners (22) and Halogen TPE external protections (24) It is provided with the total screen layer of the copper strips (23) as ground protection line；

Cable inner core includes the power cable for transmitting charging pile electric energy and the signal transmission electricity for transmitting charging pile signal Cable, power cable are provided with 3 groups, and power cable from inside to outside includes power line conductor (31), power line insulating layer (32) and moves Line of force screen layer (33)；Signal-transmitting cable includes surrounding layer and 2 groups of signal transmssion lines being arranged in surrounding layer, surrounding layer by Include polyester belt lapping layer (41) and data wire group screen layer (42) from inside to outside, signal transmssion line includes mylar lapping layer (43) and the data line insulating layer (44) of 2 groups of pair twists that is arranged in mylar lapping layer (43), data line insulating layer (44) data wire conductor (45) is provided with.

2. electric automobile charging pile cable according to claim 1, is characterized in that：Described signal-transmitting cable is arranged on The center of cable outer layer, 3 groups of power cables are equidistantly stranded on the excircle of signal-transmitting cable.

3. electric automobile charging pile cable according to claim 1, is characterized in that：Described polyester belt lapping layer (41) and 2 tension gasket for packings (46) are provided between signal transmssion line, tension gasket for packing (46) is distributed in the two of polyester belt lapping layer (41) Side, 2 groups of signal transmssion lines are stranded with 2 tension gasket for packing (46) strandings.