CN206657676U - Direct-current charging post shielding cable - Google Patents

Abstract

The utility model proposes a kind of direct-current charging post shielding cable, including cable core and the fire-retardant twining package tape being coated on the outside of cable core, inner sheath, screen layer and the second sheath, described cable core is mutually twisted by power wire core, control conductor, 7 signal wire cores, auxiliary core and ground connection core, control conductor insulating barrier is coated on the outside of control conductor conductor, every two control conductors are one group, and braiding layer is all coated with the outside of every group of control conductor insulating barrier；Control conductor insulating barrier is coated on the outside of signal wire cable core conductor, ground connection core insulating barrier is coated on the outside of ground connection core conductor, coats inner sheath in the outside of fire-retardant twining package tape, inner sheath is externally provided with metallic shield, sheath is coated with the outside of metal screen layer.The utility model has flow big, and external diameter is small, and low temperature resistant, oil resistant, acid and alkali-resistance, anti-electromagnetic interference is strong, and signal wire bending resistance is superior, transmission is stable, service life length.

Description

Direct-current charging post shielding cable

Technical field

It the utility model is related to new energy power cable technical field, more particularly to a kind of direct-current charging post shielding electricity Cable.

Background technology

With the development of auto industry and the raising of living standards of the people, the people are to the demand of automobile with using increasingly More, the tail gas of motor vehicle emission also rapidly increases.Research and development environment-friendly energy-saving automobile becomes actualite, wherein developing New-energy electric vehicle becomes first choice.At present, with the supporting charging pile of electric automobile with cable load current value larger, conductor Easily heating, in use in the state frequently dragged, and external environment is exposed to for a long time, is easily bitten by mouse, automobile Roll etc. and to destroy, therefore, existing charging pile cable can not be long-term use of, and the cable hardness of existing charging pile is big, holds Easily it is oxidized, poor anti jamming capability, therefore, is badly in need of a kind of Novel DC charging pile shielding cable, improves existing situation.

Utility model content

The purpose of this utility model is intended at least solve one of described technological deficiency.

Therefore, a purpose of the present utility model is to propose that a kind of diamagnetic field interference performance is strong, inoxidizability is strong, resistance to Mill, resistance to pressure are strong, are easy to the reinforced direct-current charging post shielded cable of dragging.

To achieve these goals, the embodiment of the utility model one side provides a kind of direct-current charging post shielding electricity Cable, it is characterised in that including cable core and the fire-retardant twining package tape being coated on the outside of cable core, inner sheath, metal screen layer and second Sheath, the cable core is by two power wire core conductors, two groups of control conductor conductors, two auxiliary core conductors, one group of 7 signal Line conductor and a piece-root grafting ground wire core conductor are mutually twisted；Filler is provided between the cable core and fire-retardant twining package tape, The outside cladding inner sheath of the fire-retardant twining package tape, inner sheath are externally provided with metal screen layer, coated in the outside of metal screen layer There is sheath.

Preferably, cladding control conductor insulating barrier on the outside of the control conductor conductor, the control conductor insulating barrier it is outer Side is all coated with screen layer, and the screen layer uses proof copper-wire braided.

Further, with being respectively coated by power wire core insulation on the outside of the auxiliary core conductor on the outside of the power wire core conductor Layer and auxiliary core insulating barrier.

Preferably, described filler is made using non-wet type fire proofing.

Further, cladding ground connection core insulating barrier on the outside of the ground connection core conductor, 7 signal wire conductors are not surveyed point Bao Fu not signal line insulating layer.

Preferably, the power wire core conductor in the cable core, control conductor conductor, auxiliary core conductor, 7 signal wires are led Body and ground connection core conductor are twisted with six class copper free wires respectively.

Preferably, the control conductor conductor, signal wire conductor further respectively have 10 diameter 0.22mm copper foil wires With model 3000D ballistic nylon silks.

Preferably, the metal screen layer is woven using circular copper wire or tinned wird, and count is not less than 80%.

Further, power wire core insulating barrier, control conductor insulating barrier, signal line insulating layer, auxiliary core insulating barrier with And the equal TPE thermoplastic elastomer (s)s of ground connection core insulating barrier are made.

According to a kind of direct-current charging post shielding cable of the offer of the utility model embodiment, filled compared to traditional Electric stake cable at least has advantages below：1st, cable core selects six class copper free wires most soft in conductor to be twisted, and ensures conductor Pliability, while add the higher Polyamide Yarns of intensity in the conductor and strengthened, ensure the mechanical strength of cable.2nd, insulate layer choosing With the TPE thermoplastic elastics of electricapparatus superior performance, compared with normal charge stake cable, there is more preferable flexibility, machinery Performance and current-carrying capacity is big, wear-resisting, oil resistant, it is resistant to chemical etching etc..3rd, it is woven in using circular copper wire or tinned wird on inner sheath, and Count is not less than 80%, ensures the good antijamming capability of cable.4th, sheath is set to improve the protection intensity to cable core, Increase its oxidative resistance, weatherability, wearability and resistance to pressure, resistance to acids and bases, can effectively prevent mouse from biting to be rolled with automobile.

The additional aspect of the utility model and advantage will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：

Fig. 1 is a kind of interface schematic diagram of direct-current charging post shielding cable of the utility model.

In figure, 1, control conductor conductor；2nd, control conductor insulating barrier；3rd, screen layer；4th, ballistic nylon rope；5th, signal wire is led Body；6th, signal line insulating layer；7th, signal wire screen layer；8th, power wire core conductor；9th, power wire core insulating barrier；10th, auxiliary core Conductor；11st, auxiliary core insulating barrier；12nd, ground connection core conductor；13rd, ground connection core insulating barrier；14th, fire-retardant twining package tape；15th, fill out Fill thing；16th, copper foil wire；17th, ballistic nylon silk；18th, inner sheath；19th, metal screen layer；20th, the second sheath.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

As shown in figure 1, the utility model embodiment provide a kind of direct-current charging post shielded cable, including cable core and Fire-retardant twining package tape 14, inner sheath 18, the sheath 20 of metal screen layer 19 and second being coated on the outside of cable core, the cable core is by two 8, two groups of power wire core conductor, 10, one groups of 7 signal wire conductors 5 of the auxiliary core conductor of control conductor conductor 1, two and one Ground connection core conductor 12 is mutually twisted.Every two control conductor conductors 1 are one group, are coated in the outside of control conductor conductor 1 Control conductor insulating barrier 2, screen layer 3 is all coated with the outside of every group of control conductor insulating barrier 2, and screen layer 3 is compiled using copper wire Knit, this cable shield effect that can be increased substantially, prevent signal interference, ensure charging safety.

It should be noted that the outside of every above-mentioned signal wire conductor 5 is respectively coated by signal wire screen layer 7, for carrying The accurate and antijamming capability of the transmission signal of high RST line；7 signal wire conductors are mutually twisted to form lay configuration, twisted The outside cladding copper foil wire 16 of structure, ensure the mechanical strength of cable.

The cladding power wire core insulating barrier 9 in the outside of power wire core conductor 8；The outside of auxiliary core conductor 10 is coated with boost line Core insulation layer 11；The outside of ground connection core conductor 12 cladding ground connection core insulating barrier 13.Set between cable core and fire-retardant twining package tape 14 Filler 15 is equipped with, described filler 15 is made using non-wet type fire proofing, is wrapped in the outside of fire-retardant twining package tape 15 Inner sheath 18 is covered, inner sheath is externally provided with metal screen layer 19, and the second sheath 20 is coated with the outside of metal screen layer 19.Second The setting of sheath 20 improves the protection intensity to cable core, increases its oxidative resistance, weatherability, wearability and resistance to pressure, acidproof Alkalescence, it can effectively prevent mouse from biting to be rolled with automobile.

Power wire core conductor 8, control conductor conductor 1, signal wire conductor 5, auxiliary core conductor 10 in cable core and connect Ground wire core conductor 12 selects six class copper free wires most soft in conductor to be twisted, and ensures the pliability of conductor, while in the conductor Add the higher Polyamide Yarns of intensity to be strengthened, ensure the mechanical strength of cable.

Power wire core insulating barrier 9, control conductor insulating barrier 2, signal line insulating layer 6, auxiliary core insulating barrier 10 and connect Ground wire core insulating barrier 13 compared with normal charge stake cable, is had more from the TPE thermoplastic elastics of electricapparatus superior performance Good flexibility, mechanical performance and current-carrying capacity is big, wear-resisting, oil resistant are resistant to chemical etching etc..

All control conductor conductors 1, signal wire conductor 5 are prevented using 10 diameter 0.22mm copper foil wires 16 of addition and 3000D Play nylon yarn 17 to be strengthened, cable can be greatly reduced in use, the signal thread breakage caused by being frequently bended, led Cause the probability that can not be charged.

Additional 2 diameters 1.2mm ballistic nylons rope 4 is strengthened when described control conductor conductor 1, stranding, prevents electricity Cable control conductor stress in stretching is excessive, and is broken.

After total stranding, metal screen layer 19 is woven on inner sheath 18 using circular copper wire or tinned wird, and count Not less than 80%, ensure the good antijamming capability of cable.Second sheath 20 is made using TPE thermoplastic elastomer (s)s.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as not departing from the utility model to limitation of the present utility model, one of ordinary skill in the art Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and Modification.The scope of the utility model is by appended claims and its equivalent limits.

Claims (9)

1. a kind of direct-current charging post shielding cable, it is characterised in that including cable core and be coated on fire-retardant on the outside of cable core Twining package tape, inner sheath, metal screen layer and the second sheath, the cable core are led by two power wire core conductors, two groups of control conductors Body, two auxiliary core conductors, one group of 7 signal wire conductor and a piece-root grafting ground wire core conductor are mutually twisted；The cable Filler, the outside cladding inner sheath of the fire-retardant twining package tape are provided between core and fire-retardant twining package tape, inner sheath is externally provided with gold Belong to screen layer, sheath is coated with the outside of metal screen layer.

2. direct-current charging post according to claim 1 shielding cable, it is characterised in that outside the control conductor conductor Side coats control conductor insulating barrier, and the outside of the control conductor insulating barrier is all coated with screen layer, and the screen layer uses copper Silk braiding.

3. direct-current charging post according to claim 2 shielding cable, it is characterised in that outside the power wire core conductor Side on the outside of the auxiliary core conductor with being respectively coated by power wire core insulating barrier and auxiliary core insulating barrier.

4. direct-current charging post according to claim 1 shielding cable, it is characterised in that described filler is using non- Wet type fire proofing is made.

5. direct-current charging post according to claim 3 shielding cable, it is characterised in that outside the ground connection core conductor Side coats ground connection core insulating barrier, and signal line insulating layer is respectively coated by the outside of 7 signal wire conductors.

6. direct-current charging post according to claim 1 shielding cable, it is characterised in that the power line in the cable core Core conductor, control conductor conductor, auxiliary core conductor, 7 signal wire conductors and ground connection core conductor respectively with six class oxygen-free coppers Silk is twisted.

7. direct-current charging post according to claim 1 shielding cable, it is characterised in that the control conductor conductor, Signal wire conductor further respectively has 10 diameter 0.22mm copper foil wires and model 3000D ballistic nylon silks.

8. direct-current charging post according to claim 1 shielding cable, it is characterised in that the screen layer is using circle copper Line or tinned wird braiding, and count is not less than 80%.

9. direct-current charging post according to claim 5 shielding cable, it is characterised in that power wire core insulating barrier, control Core insulating barrier, signal line insulating layer, auxiliary core insulating barrier and the equal TPE thermoplastic elastomer (s)s of ground connection core insulating barrier processed It is made.