Aluminum alloy cable for new energy vehicle

Abstract

The utility model discloses an aluminum alloy cable for a new energy vehicle, which comprises a cable core, the cable core is composed of wire cores, reinforcing ribs, a filling layer and a second insulating layer, a shielding layer is arranged outside the cable core, a braid layer is arranged outside the shielding layer, a composite armor layer is arranged outside the braid layer, and the composite armor layer is arranged outside the cable core. A composite fireproof layer is arranged outside the composite armor layer, a filling layer is arranged in gaps among the wire cores, the reinforcing ribs and the second insulating layer, and the structure solves the problems that the protection performance of the cable is not good enough, and the shock resistance of the cable cores is not good enough.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy cable technical field, concretely is a new energy vehicle -used aluminium alloy cable. BACKGROUND

[0002] The new energy vehicle -used aluminium alloy cable is a new type of power cable made of special process and technology, and is particularly suitable for power transmission and control system of new energy vehicles. The conductor of the new energy vehicle -used aluminium alloy cable is mainly made of AA8030 series aluminium alloy material. The alloy material is added with alloy elements such as copper, iron, magnesium and silicon, and is subjected to special roll forming twisting production process and annealing treatment, so that the mechanical properties and electrical properties are significantly improved. The new energy vehicle -used aluminium alloy cable is widely used in power transmission and control system of new energy vehicles, such as power connection of key components such as battery pack, motor controller and charging pile. Its superior performance and wide application prospect make the aluminium alloy cable become an important part of the power system of new energy vehicles.

[0003] For example, the Chinese patent "A flexible aluminium alloy cable for new energy electric vehicle" with publication number CN221466306U includes a cable core, an inner fire-resistant layer is installed outside the cable core, an inner shielding layer is installed outside the inner fire-resistant layer, an inner insulating layer is installed outside the inner shielding layer, a filler is installed outside the inner insulating layer, an insulating sleeve is installed outside the filler, a toughening net is installed outside the insulating sleeve, an outer protective sleeve is installed outside the toughening net, the cable core is fixedly installed inside the inner fire-resistant layer, the cable core is made of aluminium alloy material, the inner fire-resistant layer is fixedly installed inside the inner shielding layer, the inner fire-resistant layer is made of ceramicized silicone rubber, the inner shielding layer is fixedly installed inside the inner insulating layer, the inner shielding layer is made of semiconductor paper, the filler is fixedly installed between the insulating sleeve and the inner insulating layer, the filler is polypropylene filling rope material, the toughening net is fixedly installed outside the insulating sleeve, the outer protective sleeve is fixedly installed outside the toughening net, the outer protective sleeve is provided with a bending groove on the surface, and the outer protective sleeve is chlorinated polyethylene.

[0004] Although the above-mentioned prior art can realize the installation and use of the new energy vehicle -used aluminium alloy cable, in actual use, on the one hand, the protection performance of the cable is not good enough, after the cable is laid and a vehicle collides, the battery catches fire, the flame of the burning battery is easy to ignite the cable, on the other hand, the impact resistance of the cable core is not good enough, usually, after a vehicle collides, the internal cable is easy to be excessively extruded and bent and broken, the conductor exposed by bending and breaking is easy to cause electric shock, therefore, it does not meet the existing demand, and for this, the present application provides a new energy vehicle -used aluminium alloy cable. UTILITY MODEL CONTENTS

[0005] The utility model discloses a new energy vehicle -used aluminum alloy cable to solve the problem of the cable's poor protection performance and the cable core's poor impact resistance performance in the above background technology.

[0006] In order to realize above-mentioned purpose, the utility model provides the following technical scheme: a new energy vehicle -used aluminum alloy cable, including cable core, the cable core is composed of wire core, reinforcing rib, filling layer and second insulating layer, the outside of cable core is provided with shielding layer, the outside of shielding layer is provided with braided layer, the outside of braided layer is provided with composite armor layer, the outside of composite armor layer is provided with composite fire -resistant layer, the gap between wire core, reinforcing rib and second insulating layer is provided with filling layer.

[0007] Preferably, the wire core is provided with six groups, and the wire core is annularly and equidistantly distributed around the reinforcing rib, the wire core is composed of a conductor and a first insulating layer, the conductor is composed of a plurality of twisted aluminum alloy wires, and the conductor is provided with the first insulating layer outside.

[0008] Preferably, the composite armor layer is composed of an armor outer layer, a framework layer and an armor inner layer, the armor inner layer is fixedly wrapped outside the braided layer, the framework layer is fixedly wrapped outside the armor inner layer, and the armor outer layer is fixedly wrapped outside the framework layer.

[0009] Preferably, the composite fire -resistant layer is composed of a protective layer, a fire -resistant inner layer and a base layer, the base layer is fixedly extruded outside the armor outer layer, the fire -resistant inner layer is fixedly wrapped outside the base layer, and the protective layer is sprayed outside the fire -resistant inner layer.

[0010] Preferably, the braided layer is made of a mixture of glass fiber and epoxy resin.

[0011] Preferably, the filling layer is filled with polyurethane foam.

[0012] Preferably, the reinforcing rib is made of nylon rubber, and the reinforcing rib is fixedly inserted in the filling layer.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a composite fireproof layer can improve the protection performance of aluminium alloy cable, and the outermost layer of composite fireproof layer is provided with a protective layer, and the corrosion resistance of cable is improved through the protective layer, thereby prolonging the service life of cable, and the innermost layer of composite fireproof layer is provided with a base layer, and the weather resistance of cable is improved through the base layer, so that cable can resist ultraviolet radiation, climate change and general environmental influence, a fireproof inner layer is arranged between the protective layer and the base layer, and the fireproof performance of cable is improved through the fireproof inner layer, and the cable is not easy to be ignited or spread fire through the fireproof inner layer, thereby when cable encounters fire, the fireproof inner layer can effectively prevent the spread of flame, slow down the development speed of fire, and gain valuable time for extinguishing.

[0015] 2. The utility model discloses a composite armour layer can improve the impact resistance of composite armour layer, and the outermost layer of composite armour layer is provided with an armour outer layer, and the influence of external electromagnetic interference can be reduced when cable transmits signals, thereby maintaining the high-quality transmission of signal, and the armour outer layer has good heat conduction performance, can effectively help cable heat dissipation, improve the heat resistance of cable, and the innermost layer of composite armour layer is provided with an armour inner layer, and the armour inner layer can tightly wrap outside cable core, form a layer of stable protective layer, and when cable is subjected to external pressure, the armour inner layer can disperse and bear these pressures, reduce the stress condition of cable internal structure, and a framework layer is arranged between the armour inner layer and the armour outer layer, and the tensile strength of cable is enhanced through the framework layer, since cable can be subjected to various external tensile forces in the use process, the framework layer can effectively disperse these tensile forces, prevent cable from breaking or rupturing due to excessive tensile force, thereby protecting the conductor and structure in cable.

[0016] 3. The utility model discloses a braided layer can improve the tenacity of cable core, and the braided layer can be used as the support of cable internal structure and prevent insulation layer or conductor from being damaged when bending or stretching. ACCURACY

[0017] Figure 1 It is the overall structure perspective drawing of the utility model;

[0018] Figure 2 It is the internal structure section view of the utility model;

[0019] Figure 3 It is the composite armour layer internal structure partial close-up view of the utility model;

[0020] Figure 4 It is the composite fireproof layer internal structure partial close-up view of the utility model.

[0021] In the figure: 1, cable core; 2, wire core; 3, conductor; 4, first insulation layer; 5, reinforcing rib; 6, filling layer; 7, second insulation layer; 8, shielding layer; 9, braided layer; 10, composite armored layer; 1001, armored outer layer; 1002, framework layer; 1003, armored inner layer; 11, composite fireproof layer; 1101, protective layer; 1102, fireproof inner layer; 1103, base layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a new energy vehicle uses aluminum alloy cable, including cable core 1, cable core 1 is composed of wire core 2, reinforcing rib 5, filling layer 6 and second insulation layer 7, the outside of cable core 1 is provided with shielding layer 8, the outside of shielding layer 8 is provided with braided layer 9, the outside of braided layer 9 is provided with composite armored layer 10, the outside of composite armored layer 10 is provided with composite fireproof layer 11, and filling layer 6 is arranged in the gap between wire core 2, reinforcing rib 5 and second insulation layer 7.

[0024] Second insulation layer 7 adopts low smoke halogen-free polyolefin material, and second insulation layer 7 is extruded and fixed on the outside of filling layer 6, shielding layer 8 adopts conductive PVC material, and shielding layer 8 is extruded and fixed on the outside of cable core 1.

[0025] Please refer to Figure 2 Wire core 2 is provided with six groups, and wire core 2 is annularly and equidistantly distributed around reinforcing rib 5, wire core 2 is composed of conductor 3 and first insulation layer 4, conductor 3 adopts aluminum alloy wire of multiple strands, and conductor 3 is provided with first insulation layer 4 outside, wherein first insulation layer 4 adopts low smoke halogen-free polyolefin material, and first insulation layer 4 is extruded and fixed outside conductor 3, so as to improve the power transmission capacity of aluminum alloy cable by conductor 3 within a certain current range.

[0026] Please refer to Figure 2 And Figure 3 Composite armored layer 10 is composed of armored outer layer 1001, framework layer 1002 and armored inner layer 1003, armored inner layer 1003 is wrapped and fixed outside braided layer 9, framework layer 1002 is wrapped and fixed outside armored inner layer 1003, and armored outer layer 1001 is wrapped and fixed outside framework layer 1002, wherein armored outer layer 1001 adopts aluminum foil material, framework layer 1002 is woven by bare copper wire, and armored inner layer 1003 adopts steel belt, so as to improve the impact resistance of cable core 1 by composite armored layer 10.

[0027] Please refer toFigure 2 And Figure 4 The composite fireproof layer 11 is composed of a protective layer 1101, a fireproof inner layer 1102 and a base layer 1103, the base layer 1103 is extruded and fixed outside the armored outer layer 1001, the fireproof inner layer 1102 is wrapped and fixed outside the base layer 1103, and the protective layer 1101 is sprayed outside the fireproof inner layer 1102, wherein the protective layer 1101 adopts fluorocarbon paint, the fireproof inner layer 1102 adopts dust-free rock wool rope, and the base layer 1103 adopts polyvinyl chloride material, so as to improve the protection performance of the cable through the composite fireproof layer 11.

[0028] Please refer to Figure 1 And Figure 2 The braided layer 9 is made of glass fiber and epoxy resin mixed material, and the braided layer 9 is extruded and fixed outside the shielding layer 8, so as to improve the toughness of the cable core 1 through the braided layer 9.

[0029] Please refer to Figure 1 And Figure 2 The filling layer 6 is filled with polyurethane foam, so as to reduce the gap existing in the cable core 1 through the filling layer 6.

[0030] Please refer to Figure 1 And Figure 2 The reinforcing rib 5 is made of nylon rubber, and the reinforcing rib 5 is inserted and fixed in the filling layer 6, so as to further improve the toughness of the cable core 1 through the reinforcing rib 5.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A new energy vehicle aluminum alloy cable comprising a cable core (1), characterized in that: The cable core (1) is composed of a wire core (2), a reinforcing rib (5), a filling layer (6) and a second insulation layer (7), the outside of the cable core (1) is provided with a shielding layer (8), the outside of the shielding layer (8) is provided with a braided layer (9), the outside of the braided layer (9) is provided with a composite armor layer (10), the outside of the composite armor layer (10) is provided with a composite fireproof layer (11), and the filling layer (6) is arranged in the gap between the wire core (2), the reinforcing rib (5) and the second insulation layer (7).

2. The aluminum alloy cable for new energy vehicles according to claim 1, characterized in that: The wire core (2) is composed of six groups, and the wire core (2) is arranged in a ring shape around the reinforcing rib (5) at equal intervals, the wire core (2) is composed of a conductor (3) and a first insulation layer (4), the conductor (3) is composed of a plurality of twisted aluminum alloy wires, and the outside of the conductor (3) is provided with a first insulation layer (4).

3. The aluminum alloy cable for new energy vehicles according to claim 2, characterized in that: The composite armor layer (10) is composed of an armor outer layer (1001), a skeleton layer (1002) and an armor inner layer (1003), the armor inner layer (1003) is fixedly wrapped outside the braided layer (9), the skeleton layer (1002) is fixedly wrapped outside the armor inner layer (1003), and the armor outer layer (1001) is fixedly wrapped outside the skeleton layer (1002).

4. The aluminum alloy cable for new energy vehicles according to claim 3, characterized in that: The composite fireproof layer (11) is composed of a protective layer (1101), a fireproof inner layer (1102) and a base layer (1103), the base layer (1103) is fixedly extruded outside the armor outer layer (1001), the fireproof inner layer (1102) is fixedly wrapped outside the base layer (1103), and the protective layer (1101) is sprayed outside the fireproof inner layer (1102).

5. The aluminum alloy cable for new energy vehicles according to claim 4, characterized in that: The filling layer (6) is filled with polyurethane foam.

6. The aluminum alloy cable for a new energy vehicle according to claim 5, characterized in that: The reinforcing rib (5) is made of nylon rubber, and the reinforcing rib (5) is inserted and fixed in the filling layer (6).

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