CN204792127U - Novel on -vehicle environmental protection cable of new energy automobile - Google Patents

Abstract

Novel on -vehicle environmental protection cable of new energy automobile is including the flexible conductor to and from inside to outside in proper order the radiation cross -linking low smoke and zero halogen flame retardant polyolefin insulating layer of package the flexible conductor outside, wind covering, composite shielding layer and sheath, the composite shielding layer include and wind the covering at the composite aluminium -plastic tape around outer tinned copper wire weaving layer that sets up of covering and setting the tinned copper wire weaving layer outside. The utility model discloses a cable not only has excellent environmental protection characteristic according to novel new energy automobile's special requirement design, but also has excellent power supply quality, shielding characteristic, temperature resistant characteristic, compliance ability, mechanical strength, life and economic performance.

Description

New-type new energy vehicle vehicle environmental protection cable

technical field

The utility model relates to the technical field of cable manufacturing, in particular to a low-voltage cable, in particular to a vehicle-mounted environmental protection for new-type new energy vehicles.

Background technique

As an emerging industry, the new energy vehicle industry is developing by leaps and bounds. The models currently on the market include fuel cell vehicles, hybrid vehicles, pure electric vehicles, hydrogen energy vehicles and solar vehicles. These new energy vehicles will no longer use gasoline, diesel, etc., and have responded positively to the call for global energy conservation and emission reduction and my country's green life. At present, the state attaches great importance to the development of new energy vehicles, which have been promoted and tested in many cities.

With the rapid development of the new energy vehicle industry, the new type of vehicle cables for new energy vehicles will become an indispensable supporting equipment and will develop rapidly. The quality of its performance will directly affect the various performances of the car, and it is an important guarantee for the power transmission and maneuvering control of new energy vehicles. evaluate. Therefore, the development of a new type of energy vehicle environmental protection cable is a market development trend and an urgent need, and it is also an important new direction for enterprise development.

In the existing series of special cables, there have not yet been on-board cables specially designed for new energy vehicles. The cables used for new energy vehicles are all ordinary cables, which cannot meet the special requirements of new energy vehicles, especially in terms of power supply quality, There are still a series of deficiencies in softness, mechanical strength, service life and environmental protection. These deficiencies directly affect the quality of new energy vehicles and the development of new energy vehicles. For example, the original intention of developing new energy vehicles is to save energy and protect the environment. If the cables used in large quantities are not environmentally friendly, it will inevitably seriously hinder the development of the new energy vehicle industry.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide an environmentally friendly new energy vehicle-mounted environmental protection cable with excellent power supply quality, shielding characteristics, temperature resistance, softness, mechanical strength, service life and economic performance. .

In order to achieve the above object, the utility model adopts the following technical solutions:

A new type of new-energy vehicle-mounted environmental protection cable, including a flexible conductor 1, and an irradiation cross-linked low-smoke, halogen-free, flame-retardant polyolefin insulation layer 2, a wrapping layer 3, and a composite shielding layer wrapped around the soft conductor 1 from the inside to the outside. layer 4 and sheath 5; the composite shielding layer 4 includes a tinned copper wire braid 4a arranged outside the wrapping layer 3 and an aluminum-plastic composite tape wrapping layer 4b arranged outside the tinned copper braid 4a .

Further, the flexible conductor 1 is a twisted structure of Category 6 bare copper wires.

Further, the wrapping layer 3 is a double-layer polyester tape overlapping wrapping layer.

Further, the temperature resistance grade of the radiation cross-linked low-smoke halogen-free flame-retardant polyolefin insulation layer 2 is 125°C.

Further, the sheath 5 is an extruded radiation-crosslinked low-smoke, halogen-free, flame-retardant polyolefin sheath.

Further, the flexible conductor 1 is a multi-layer multi-twisted structure of super-six types of bare copper wires, and the direction of strand bundles of each layer of copper wires is opposite to the direction of the multi-twisted wires.

Further, the flexible conductor 1 is a multi-layer multi-twisted structure of six types of bare copper wires, and the strand bundle direction of each layer of copper wires is opposite to the direction of the multi-twisted wires.

The utility model's new-type new-energy vehicle-mounted environmental protection cable is designed according to the special requirements of new-type new-energy vehicles. It not only has excellent environmental protection characteristics, but also has excellent power supply quality, shielding characteristics, temperature resistance, softness, and mechanical strength. , service life and economic performance. Moreover, the recyclable rate of the product can reach 100%, which can completely eliminate the secondary pollution caused by the addition of the product.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of a new type of new energy automobile vehicle-mounted environmental protection cable of the present invention, in the figure: 1-soft conductor; 2-irradiation cross-linked low-smoke halogen-free flame-retardant polyolefin insulation layer; 3-winding Cladding layer; 4-composite shielding layer 4, 4a of which is tinned copper wire braiding layer 4a, 4b is aluminum-plastic composite tape wrapping layer 4b; 5-sheath.

Detailed ways

Below in conjunction with the embodiment given in accompanying drawing 1, the specific implementation manner of the new type new energy automobile vehicle-mounted environmental protection cable of the present utility model is further described. The new energy vehicle-mounted environmental protection cable of the utility model is not limited to the description of the following embodiments.

Referring to Fig. 1, the new energy vehicle-mounted environmental protection cable of the utility model includes a flexible conductor 1, and an irradiation cross-linked low-smoke halogen-free flame-retardant polyolefin insulation layer 2 wrapped sequentially outside the soft conductor 1 from the inside to the outside, Wrapping layer 3, composite shielding layer 4 and sheath 5; said composite shielding layer 4 includes tinned copper wire braiding layer 4a arranged outside wrapping layer 3 and aluminum braiding layer arranged outside tinned copper wire braiding layer 4a The plastic composite tape is wrapped around the cladding layer 4b, that is, the soft conductor 1 is first covered with an environmentally friendly radiation cross-linked low-smoke, halogen-free, flame-retardant polyolefin insulation layer 2, and then the radiation-crosslinked low-smoke, halogen-free, flame-retardant polyolefin insulation layer 2 Wrapping layer 3 of high-strength polyester tape, then wrapping tinned copper wire braiding layer 4a and aluminum-plastic composite tape wrapping layer 4b on wrapping layer 3 to form composite shielding layer 4, and finally wrapping environmental protection on composite shielding layer 4 The sheath 5.

The flexible conductor 1 is a flexible conductor according to the GB/T3956-2008 standard, preferably using a Category 6 bare copper wire twisted structure or a Category 6 super bare copper wire twisted structure, and this structure can be formed by a known process. Further, the twisted structure preferably adopts a multi-layer multi-twisted structure of six types of bare copper wires or a multi-layered multi-twisted structure of super-six types of bare copper wires, and the strand bundle direction of each layer of copper wires is opposite to its multi-twisted direction, Specifically, for example: super-six types of bare copper wires are stranded in layers, and the direction of each strand of the stranded conductor is opposite to the direction of the re-twisted strands, which plays a role of layer-by-layer compression, so that the stranded conductor can be twisted without other wrapping. Under the premise that the belt is tightly tied, it is not loose and round, and the resistance of the twisted conductor should meet the requirements of the GB/T3956-2008 standard. The advantage of this structure is that it is compact and not loose, can obtain good mechanical strength and softness, has ideal bending performance, and can be used in places with complex environments and small bending radii.

The radiation cross-linked low-smoke halogen-free flame-retardant polyolefin insulation layer 2 has high environmental performance, and has excellent mechanical properties (mechanical strength and flexibility), electrical properties (insulation properties), aging resistance, oil resistance, etc., In particular, the temperature resistance level is 125°C, and the thermal extension after insulation radiation is 10% to 30%, and ideal temperature resistance characteristics can also be obtained, that is, it can well withstand the highest temperature of the car in the worst environment. Characteristics of temperature or minimum temperature.

The wrapping layer 3 is a high-strength double-layer polyester tape overlapping wrapping layer, which not only has good environmental protection and electrical insulation properties, but also helps to improve mechanical properties and related process properties. The composite shielding layer 4 adopts a combined shielding structure of tinned copper wire braiding layer 4a+aluminum-plastic composite tape wrapping layer 4b, such as: first set tinned copper wire braiding layer 4a outside the wrapping layer 3, and then The tinned copper wire braiding layer 4a is provided with an aluminum-plastic composite tape wrapping layer 4b. The advantages of this structure are: due to the double-layer electromagnetic shielding structure, its excellent power transmission and electromagnetic shielding effect can well meet the requirements of the automotive environment; Good anti-oxidation performance, so it can prolong the service life of the easily oxidized metal (such as copper, aluminum) material layer; because the tinned copper wire braid 4a can obtain ideal mechanical strength and softness, it can greatly improve the cable in the Safety and reliability in use.

The sheath 5 is an extruded radiation-crosslinked low-smoke halogen-free flame-retardant polyolefin sheath, which has the advantages of high environmental protection performance, excellent mechanical properties (mechanical strength and flexibility), electrical properties (insulation Performance), aging resistance, oil resistance, etc., especially the temperature resistance level is 125 ° C, and the thermal extension after insulation radiation is 10% to 30%, and ideal temperature resistance characteristics can also be obtained, that is, it can be well tolerated The characteristics of the maximum or minimum temperature of an automobile under the worst operating environment.

It can be seen from the above that the new energy vehicle-mounted environmental protection cable of the utility model considers environmental protection in terms of structural design, so the materials used can completely eliminate the addition of components that cause secondary pollution to the environment, and the product materials can be recycled. The reuse rate can reach 100%.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (7)

1. A new type of new energy vehicle-mounted environmental protection cable, characterized in that it includes a soft conductor (1), and an irradiation cross-linked low-smoke halogen-free flame-retardant polyolefin insulation wrapped on the soft conductor (1) from the inside to the outside. layer (2), wrapping layer (3), composite shielding layer (4) and sheath (5); the composite shielding layer (4) includes tinned copper wire braided outside the wrapping layer (3) The layer (4a) and the aluminum-plastic composite tape arranged outside the tinned copper wire braiding layer (4a) wrap around the cladding layer (4b). 2. The new-type new energy vehicle vehicle-mounted environmental protection cable according to claim 1, characterized in that: the soft conductor (1) is a twisted structure of super-six bare copper wires. 3. The new-type new energy vehicle vehicle-mounted environmental protection cable according to claim 1, characterized in that: the wrapping layer (3) is a double-layer polyester tape overlapping wrapping layer. 4. The new-type new energy vehicle vehicle-mounted environmental protection cable according to claim 1, characterized in that: the temperature resistance level of the irradiation cross-linked low-smoke, halogen-free and flame-retardant polyolefin insulation layer (2) is 125°C. 5. The new-type new energy vehicle vehicle-mounted environmental protection cable according to claim 1, characterized in that: the sheath (5) is an extruded radiation-crosslinked low-smoke, halogen-free, flame-retardant polyolefin sheath. 6. The new-type new energy vehicle vehicle-mounted environmental protection cable according to claim 1 or 2, characterized in that: the flexible conductor (1) is a multi-layer twisted structure of super-six types of bare copper wires, and each layer of copper wires The direction of the bundle of strands is opposite to the direction of its re-twisting. 7. The new-type new energy vehicle vehicle-mounted environmental protection cable according to claim 1, characterized in that: the flexible conductor (1) is a multi-layer multi-twisted structure of six types of bare copper wires, and the strands of each layer of copper wires are bundled The direction is opposite to the direction of its complex stranding.