CN216250056U - Novel wear-resisting anti-cracking long-life electric automobile direct current fills electric pile cable - Google Patents

Abstract

The utility model discloses a novel wear-resistant anti-cracking long-service-life electric automobile direct-current charging pile cable which comprises power transmission cable cores, signal cable cores, auxiliary cable cores and a grounding cable core, wherein an aluminum foil Mylar layer is sleeved on the outer sides of a plurality of signal cable cores, a copper wire weaving layer is sleeved on the outer side of the aluminum foil Mylar layer, a mesocarp layer is sleeved on the outer side of the copper wire weaving layer, a wrapping layer is sleeved on the outer sides of two power transmission cable cores, two auxiliary cable cores, a grounding cable core and the signal cable cores, a sheath layer is sleeved on the outer side of the wrapping layer, a filler is filled in the wrapping layer, and the sheath layer is made of polyether thermoplastic polyurethane sheath materials, so that the hot water resistance, acid-base, oil, chemical solvents and damp and heat resistance of a cable device can be greatly improved, and the service life of the cable device is favorably prolonged; meanwhile, the filler protects the power transmission wire core, so that the bending resistance of the whole cable can be greatly improved, the cable can be effectively prevented from being broken, and the service life of the whole cable can be greatly prolonged.

Description

Novel wear-resisting anti-cracking long-life electric automobile direct current fills electric pile cable

Technical Field

The utility model relates to the technical field of charging pile cables, in particular to a novel wear-resistant anti-cracking long-service-life direct-current charging pile cable for an electric automobile.

Background

The electric automobile direct current of market fills electric pile cable at present adopts the copper conductor insulating sheath material generally to be TPE (thermoplastic elastomer) cable, and this kind of cable insulating sheath material exists that density is big, the electrical property is poor, temperature resistant grade is not enough, uses the TPE material to glue the hand for a long time and easily is stained with the ash. The cable has the problems of poor resistance to hot water, acid, alkali, oil and chemical solvents, poor resistance to humidity and heat, poor resistance to cyclic bending, easy breakage of a signal wire and the like. And the whole wire is thick, heavy and not wear-resistant. Therefore, the comfort level test in the using process of a customer is poor, the service life of the cable is short, the equipment cost of the charging station is high, and the safety coefficient of cable transmission electric energy is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel wear-resistant anti-cracking long-service-life direct-current charging pile cable for an electric automobile, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a novel wear-resistant anti-cracking long-life direct current charging pile cable for an electric automobile comprises a power transmission wire core, a signal wire core, an auxiliary wire core and a grounding wire core,

the power transmission wire core is used for transmitting electric energy;

the signal wire core is used for transmitting a control signal;

the grounding wire core is used for grounding protection;

the cable device is characterized in that an aluminum foil Mylar layer is sleeved on the outer sides of a plurality of signal wire cores together, a copper wire weaving layer is sleeved on the outer side of the aluminum foil Mylar layer, a middle tegular layer is sleeved on the outer side of the copper wire weaving layer, the middle tegular layer is made of polyether type thermoplastic polyurethane sheathing materials, two power transmission wire cores, two auxiliary wire cores, a grounding wire core and the signal wire cores are sleeved on the wrapping layer together, a sheathing layer is sleeved on the outer side of the wrapping layer, the sheathing layer is made of polyether type thermoplastic polyurethane sheathing materials, a filler is filled in the wrapping layer, the filler is made of a high-strength PP net, and the sheathing layer is made of the polyether type thermoplastic polyurethane sheathing materials, so that the hot water resistance, acid-base, oil, chemical solvents and moist heat of the cable device can be greatly improved, and the service life of the cable of the whole device can be prolonged; meanwhile, the filler protects the power transmission wire core, so that the bending resistance of the whole cable can be greatly improved, the cable can be effectively prevented from being broken, and the service life of the whole cable can be greatly prolonged.

In a further embodiment, the power transmission line core comprises a conductor body and an insulating layer sleeved on the outer side of the conductor body, the conductor body is made by twisting a bare copper wire and a bulletproof wire together, the insulating layer is made by selecting a high-temperature environment-friendly halogen-free irradiation crosslinking polyolefin thermosetting elastomer, the conductor body is protected by the insulating layer, the fracture resistance of the whole cable device can be further improved, and the service life of the whole cable device can be further prolonged.

Compared with the prior art, the utility model has the beneficial effects that: by selecting the polyether type thermoplastic polyurethane sheath material to manufacture the sheath layer, the hot water resistance, acid and alkali resistance, oil resistance, chemical solvent resistance and damp heat resistance of the cable device can be greatly improved, and the service life of the cable of the whole device is favorably prolonged; meanwhile, the filler protects the power transmission wire core, so that the bending resistance of the whole cable can be greatly improved, the cable can be effectively prevented from being broken, and the service life of the whole cable can be greatly prolonged.

Drawings

Fig. 1 is a structural schematic diagram of a novel wear-resistant anti-cracking long-life electric automobile direct current charging pile cable.

In the figure: the cable comprises a conductor body 1, an insulating layer 2, an aluminum foil Mylar layer 3, a copper wire braid layer 4, a filler 5, a wrapping layer 6, a middle tegument layer 7, a sheath layer 8, a signal wire core 9, an auxiliary wire core 10 and a grounding wire core 11.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a novel wear-resistant, crack-resistant and long-life electric vehicle dc charging pile cable includes a power transmission wire core, a signal wire core 9, an auxiliary wire core 10 and a ground wire core 11,

the power transmission wire core is used for transmitting electric energy;

the signal wire core 9 is used for transmitting control signals;

the grounding wire core 11 is used for grounding protection;

the outer sides of a plurality of signal wire cores 9 are commonly sleeved with an aluminum foil mylar layer 3, the outer side of the aluminum foil mylar layer 3 is sleeved with a copper wire braid layer 4, a middle tegument layer 7 is sleeved on the outer side of the copper wire braided layer 4, the middle tegument layer 7 is made of polyether type thermoplastic polyurethane sheathing material, the wrapping layer 6 is sleeved on the outer sides of two power transmission wire cores, two auxiliary wire cores 10, a grounding wire core 11 and a signal wire core 9 together, a sheath layer 8 is sleeved outside the wrapping layer 6, the sheath layer 8 is made of a polyether type thermoplastic polyurethane sheath material, the wrapping layer 6 is filled with filler 5, the filler 5 is made of high-strength PP net, by selecting the polyether type thermoplastic polyurethane sheath material to manufacture the sheath layer 8, the hot water resistance, acid and alkali resistance, oil resistance, chemical solvent resistance and damp heat resistance of the cable device can be greatly improved, and the service life of the cable of the whole device is favorably prolonged; meanwhile, the filler 5 protects the power transmission wire core, so that the bending resistance of the whole cable can be greatly improved, the cable can be effectively prevented from being broken, and the service life of the whole cable can be greatly prolonged.

The power transmission cable core comprises a conductor body 1 and an insulating layer 2 sleeved on the outer side of the conductor body 1, the conductor body 1 is made by twisting a bare copper wire and a bulletproof wire together, the insulating layer 2 is made by selecting a 125 ℃ environment-friendly halogen-free irradiation crosslinking polyolefin thermosetting elastomer, the conductor body 1 is protected by the insulating layer 2, the fracture resistance of the whole device can be further improved, and the service life of the whole cable device can be further prolonged.

According to the utility model, the polyether type thermoplastic polyurethane sheath material is selected to manufacture the sheath layer 8, so that hot water resistance, acid and alkali resistance, oil resistance, chemical solvent resistance and damp heat resistance of the cable device can be greatly improved, and the service life of the cable of the whole device can be prolonged; meanwhile, the filler 5 protects the power transmission wire core, so that the bending resistance of the whole cable can be greatly improved, the cable can be effectively prevented from being broken, and the service life of the whole cable can be greatly prolonged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A novel wear-resistant anti-cracking long-life direct current charging pile cable for an electric automobile comprises a power transmission wire core, a signal wire core (9), an auxiliary wire core (10) and a grounding wire core (11),

the power transmission wire core is used for transmitting electric energy;

the signal wire core (9) is used for transmitting a control signal;

the grounding wire core (11) is used for grounding protection;

aluminium foil wheat layer (3) are established to the common cover in the outside of a plurality of signal sinle silks (9), the outside cover that aluminium foil wheat was drawn layer (3) is equipped with copper wire weaving layer (4), the outside cover of copper wire weaving layer (4) is equipped with well tegillum (7), well tegillum (7) select polyether type thermoplastic polyurethane sheath material preparation for use to form, and two transmission line sinle silks, two supplementary sinle silks (10), one ground connection sinle silk (11) and signal sinle silk (9) outside overlap and establish around covering (6) jointly, the outside cover around covering (6) is equipped with restrictive coating (8), restrictive coating (8) select polyether type thermoplastic polyurethane sheath material preparation for use to form, it has filler (5) to pack in covering (6), filler (5) select for use high strength PP net preparation to form.

2. The novel wear-resistant anti-cracking long-service-life electric vehicle direct-current charging pile cable according to claim 1, wherein the power transmission line core comprises a conductor body (1) and an insulating layer (2) sleeved outside the conductor body (1).

3. The novel wear-resistant anti-cracking long-life electric vehicle direct-current charging pile cable is characterized in that the conductor body (1) is formed by twisting bare copper wires and bulletproof wires together.

4. The novel wear-resistant anti-cracking long-life direct-current charging pile cable for the electric automobile as claimed in claim 2, wherein the insulating layer (2) is made of an environment-friendly halogen-free irradiation cross-linked polyolefin thermosetting elastomer at 125 ℃.

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