CN207994292U - A kind of vehicle battery lead wire - Google Patents

Abstract

The utility model discloses a kind of vehicle battery lead wires, including lead wire, the outer wall of the lead wire is provided with thermoplastic elastomer, the inner homogeneous of the thermoplastic elastomer is enclosed with the braiding layer that blocks water, the inner wall of the braiding layer that blocks water uniformly is enclosed with insulating layer, the inner wall of the insulating layer is uniformly enclosed with shielded layer, it is uniformly enclosed with conductor in the shielded layer, the outer wall left and right ends of the lead wire are fixedly connected with protective case, it is arranged with fastener in the middle part of the outer surface of the protective case, the one end of the protective case far from lead wire is fixedly connected with connector, the one end of the connector far from protective case is fixedly connected with connector, the inside of the connector is enclosed with terminal connector, the utility model is related to battery lead wire technical fields.The vehicle battery lead wire, achieved the purpose that after lead wire long lifespan, bending not cracky, prevent short circuit, extend the service life of lead wire, avoid burning out accumulator when short circuit.

Description

A kind of vehicle battery lead wire

Technical field

The utility model is related to battery lead wire technical field, specially a kind of vehicle battery lead wire.

Background technology

Accumulator on electric vehicle is usually the storage constituted by being linked together by connecting line by polylith secondary battery unit Battery pack, park and the field of employment complexity of electric vehicle easily lead to that short circuit occurs between each secondary battery unit because of extraneous factor, This can damage accumulator and influence the service life of accumulator.Existing battery lead wire includes conducting wire and conducting wire both ends Electric wire connecting junction, conducting wire and electric wire connecting junction be surrounded by high-temperature flame-proof rubber layer, and still, this battery connecting line only improves fire prevention work( Can, when short circuit occurs for accumulator, the unimpeded state of electric current is still kept, to be that accumulator provides guarantor in a short-circuit situation Shield.

Currently, after being attached using connecting line between existing accumulator, the connecting terminal on accumulator and wiring spiral shell Nail generally all in naked state, not only easily causes electric leakage electric shock, and easy since introduced contaminants are fallen or other conductors Cause the short circuit of accumulator group.Sometimes connect accumulator when, need to bend connecting line, but connecting line through it is long when Between bending can cause the damage of cable external insulation, keep conducting wire exposed, also easily cause electric leakage electric shock or short circuit, exist Security risk.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of vehicle battery lead wire, solves to draw and connects Cracky, short-circuit problem after line short life, bending.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of vehicle battery draws The outer wall of wiring, including lead wire, the lead wire is provided with thermoplastic elastomer, the inside of the thermoplastic elastomer It uniformly is enclosed with the braiding layer that blocks water, the inner wall of the braiding layer that blocks water uniformly is enclosed with insulating layer, and the inner wall of the insulating layer is equal It is even to be enclosed with shielded layer, conductor is uniformly enclosed in the shielded layer, the conductor is evenly arranged with 19, the lead wire Outer wall left and right ends be fixedly connected with protective case, be arranged with fastener, the protective case in the middle part of the outer surface of the protective case One end far from lead wire is fixedly connected with connector, and to medial recess, the connector is remote for the left and right ends of the connector One end from protective case is fixedly connected with connector, and the inside of the connector is enclosed with terminal connector.

Preferably, the thermoplastic elastomer is thermoplasticity EPDM dynamic perduren.

Preferably, the insulating layer is made of silane crosslinked polyethylene.

Preferably, the conductor is twisted by six class soft copper silks.

Preferably, the protective case is made of carbon black polyethylene, the carbon black polyethylene be polyethylene and filler material into It is made after the processing of row carbon black.

Preferably, the connector and terminal connector are in hollow cylindrical, and the height of the terminal connector is big In the height of connector.

Preferably, the outer surface of the lead wire, the outer surface of protective case, the outer surface of fastener, connector appearance Face and the outer surface of connector carry out preservative treatment.

(3) advantageous effect

The utility model provides a kind of vehicle battery lead wire.Has following advantageous effect：

(1), the outer wall of the vehicle battery lead wire, lead wire is provided with thermoplastic elastomer, thermoplastic elastic Body layer is thermoplasticity EPDM dynamic perduren, and excellent anti-aging property, resistance to permanent deformation performance, resists heat resistance Zhang Qiangdu, electrical insulation capability, high tenacity and high resilience, and environmental protection, reusable, the inside of thermoplastic elastomer is equal Even to be enclosed with the braiding layer that blocks water, the inner wall of waterproof, the braiding layer that blocks water uniformly is enclosed with insulating layer, and insulating layer is poly- using crosslinked with silicane Vinyl material not only significantly improves mechanical property, the environmental stress crack resistance of polyethylene by cross-linking modified polyethylene The comprehensive performances such as energy, resistance to corrosive chemicals energy, creep resistance and electrical property, and be readily apparent that improve temperature tolerance Can, the inner wall of insulating layer is uniformly enclosed with shielded layer, conductor is uniformly enclosed in shielded layer, has reached lead wire long lifespan, curved The not purpose of cracky after folding, extends the service life of lead wire.

(2), the terminal of lead wire and accumulator is connected by terminal connector, is drawn by the vehicle battery lead wire The outer wall left and right ends of wiring are fixedly connected with protective case, and protective case is made of carbon black polyethylene, and carbon black polyethylene improves The outer surface middle part of stress crack resistant ability, protective case is arranged with fastener, and preventing from being fallen off using rear protective case for a long time is caused Conductor is exposed, and the one end of protective case far from lead wire is fixedly connected with connector, the left and right ends of connector to medial recess, in Portion's recess diameter becomes smaller, and the resistance in the middle part of connector is made to become larger, and when short circuit occurs for accumulator, passes through big electricity on connector Stream, in connector recess since resistance makes to fuse in time in the middle part of connector more greatly, to provide short-circuit protection for accumulator, Achieve the purpose that prevent short circuit, has burnt out accumulator when avoiding short circuit.

Description of the drawings

Fig. 1 is the vehicle battery lead wire structural schematic diagram of the utility model；

Fig. 2 is the vehicle battery lead wire vertical view of the utility model；

Fig. 3 is the lead wire sectional view of the utility model.

In figure：1 lead wire, 2 thermoplastic elastomers, 3 block water braiding layer, 4 insulating layers, 5 shielded layers, 6 conductors, 7 protection Set, 8 fasteners, 9 connectors, 10 connectors, 11 terminal connectors.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of vehicle battery lead wire, including draw The outer wall of wiring 1, lead wire 1 is provided with thermoplastic elastomer 2, and the inner homogeneous of thermoplastic elastomer 2, which is enclosed with, to block water The inner wall of braiding layer 3, the braiding layer that blocks water 3 is uniformly enclosed with insulating layer 4, and the inner wall of insulating layer 4 is uniformly enclosed with shielded layer 5, screen It covers and is uniformly enclosed with conductor 6 in layer 5, conductor 6 is evenly arranged with 19, and the outer wall left and right ends of lead wire 1 are fixedly connected with The outer surface middle part of protective case 7, protective case 7 is arranged with fastener 8, and the one end of protective case 7 far from lead wire 1 is fixedly connected with company Fitting 9, to medial recess, the one end of connector 9 far from protective case 7 is fixedly connected with connector 10 for the left and right ends of connector 9, The inside of connector 10 is enclosed with terminal connector 11.

Thermoplastic elastomer 2 is thermoplasticity EPDM dynamic perduren.

Insulating layer 4 is made of silane crosslinked polyethylene.

Conductor 6 is twisted by six class soft copper silks.

Protective case 7 is made of carbon black polyethylene, carbon black polyethylene be polyethylene and filler material carry out carbon black processing after make At.

Connector 10 and terminal connector 11 are in hollow cylindrical, and the height of terminal connector 11 is more than connector 10 Height.

The outer surface of lead wire 1, the outer surface of protective case 7, the outer surface of fastener 8, the outer surface of connector 9 and connection First 10 outer surface carries out preservative treatment.

In use, lead wire 1 is connect with the terminal of accumulator by terminal connector 11, the outer wall or so of lead wire 1 Both ends are fixedly connected with protective case 7, and protective case 7 is made of carbon black polyethylene, and carbon black polyethylene improves stress crack resistant energy The outer surface middle part of power, protective case 7 is arranged with fastener 8, and preventing from falling off using rear protective case for a long time causes conductor exposed, protects The one end of sheath 7 far from lead wire 1 is fixedly connected with connector 9, and the left and right ends of connector 9 are to medial recess, medial recess Place's diameter becomes smaller, and the resistance at the middle part of connector 9 is made to become larger, when short circuit occurs for accumulator, by high current on connector 9, 9 recess of connector is since resistance makes more greatly the fusing in time of 9 middle part of connector, to provide short-circuit protection for accumulator；

Thermoplastic elastomer 2 is thermoplasticity EPDM dynamic perduren, excellent anti-aging property, heat resistance Energy, resistance to permanent deformation performance, tensile strength, electrical insulation capability, high tenacity and high resilience, and environmental protection, reusable, resistance 3 waterproof of water braiding layer, insulating layer 4 use silane crosslinked polyethylene, are not only significantly improved by cross-linking modified polyethylene The mechanical property of polyethylene, environmental stress cracking resistance, resistance to corrosive chemicals energy, creep resistance and electrical property etc. are comprehensive Performance is closed, and is readily apparent that improve heat resistance, extends the service life of lead wire.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of vehicle battery lead wire, including lead wire (1), it is characterised in that：The outer wall of the lead wire (1) is arranged There are thermoplastic elastomer (2), the inner homogeneous of the thermoplastic elastomer (2) to be enclosed with the braiding layer that blocks water (3), the resistance The inner wall of water braiding layer (3) is uniformly enclosed with insulating layer (4), and the inner wall of the insulating layer (4) is uniformly enclosed with shielded layer (5), Conductor (6) is uniformly enclosed in the shielded layer (5), the conductor (6) is evenly arranged with 19, the lead wire (1) Outer wall left and right ends are fixedly connected with protective case (7), and fastener (8) is arranged in the middle part of the outer surface of the protective case (7), described The one end of protective case (7) far from lead wire (1) is fixedly connected with connector (9), and the left and right ends of the connector (9) are to middle part Recess, the one end of the connector (9) far from protective case (7) are fixedly connected with connector (10), the connector (10) it is interior Portion is enclosed with terminal connector (11).

2. a kind of vehicle battery lead wire according to claim 1, it is characterised in that：The thermoplastic elastomer (2) it is thermoplasticity EPDM dynamic perduren.

3. a kind of vehicle battery lead wire according to claim 1, it is characterised in that：The insulating layer (4) uses silicon Alkane cross-linking polyethylene materials are made.

4. a kind of vehicle battery lead wire according to claim 1, it is characterised in that：The conductor (6) is soft by six classes Copper wire is twisted.

5. a kind of vehicle battery lead wire according to claim 1, it is characterised in that：The protective case (7) uses charcoal Black polyethylene is made, and the carbon black polyethylene is to be made after polyethylene and filler material carry out carbon black processing.

6. a kind of vehicle battery lead wire according to claim 1, it is characterised in that：The connector (10) and terminal Connector (11) is in hollow cylindrical, and the height of the terminal connector (11) is more than the height of connector (10).

7. a kind of vehicle battery lead wire according to claim 1, it is characterised in that：The appearance of the lead wire (1) Face, the outer surface of protective case (7), the outer surface of fastener (8), the outer surface of connector (9) and connector (10) outer surface Carry out preservative treatment.