AC charging interface cable for 32A European standard new energy automobile
By designing a multi-stage twisted conductor assembly and a 32A European standard AC charging interface cable for new energy vehicles with a tinned copper wire braided shield, the problem that existing cables are difficult to meet the requirements of high current transmission and safety performance in high power DC charging scenarios is solved, and multiple performance improvements such as high conductivity, stability and wear resistance are achieved.
Patent Information
- Application Number
- CN202422129454.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-31
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-31
AI Technical Summary
The existing charging interface cables are difficult to meet the requirements of high current transmission, electrical insulation, wear resistance, heat resistance and mechanical strength in high power DC charging scenarios.
A 32A European standard AC charging interface cable for new energy vehicles was designed, using multi-stage twisted conductor components, with a surface covered with 125℃ irradiated crosslinked low-smoke, halogen-free flame-retardant ethylene-propylene rubber insulation layer, and a shielding layer woven with tin-plated copper wire is installed outside the cable unit. The inner and outer sheath of the cable is made of double-layer coextruded TPU material.
The cable has excellent performance in terms of high conductivity and stability, with excellent safety performance, good shielding effect, excellent wear and weather resistance, extending the service life of the cable.
Smart Images
Figure CN222965862U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charging interface cables, in particular to an AC charging interface cable for 32A European standard new energy vehicles. Background Art
[0002] With the popularization of new energy vehicles, the performance requirements for charging interface cables are getting higher and higher. Especially in high-power DC charging scenarios, the cable needs to withstand large current transmission, and at the same time, it also needs to have excellent electrical insulation performance, abrasion resistance, heat resistance, and sufficient mechanical strength. The traditional cable structure has been difficult to meet these requirements. Therefore, it is particularly important to develop a new type of high-performance AC charging interface cable. Summary of the Utility Model
[0003] In order to solve some problems existing in the above-mentioned prior art, the utility model provides an AC charging interface cable for 32A European standard new energy vehicles to solve the deficiencies existing in the prior art.
[0004] To achieve the above object, the utility model provides an AC charging interface cable for 32A European standard new energy vehicles, including a charging interface cable body. The charging interface cable body includes a conductor assembly disposed inside the charging interface cable body. In addition to the conductor assembly, a stranding unit is provided on the charging interface cable body. A filling cable is disposed in cooperation with the stranding unit. A cable inner sheath is disposed outside the conductor assembly, and a cable outer sheath is disposed outside the cable inner sheath.
[0005] As a further improvement of the utility model, in order to improve the conductivity and stability, the conductor assembly includes a first conductor unit and a second conductor unit. The first conductor unit is the main conductor unit, and the nominal cross-sectional area of the first conductor unit is 10mm². The first conductor unit is composed of multiple 0.2mm bare copper wires stranded together.
[0006] As a further improvement of the utility model, in order to further improve the conductivity and stability, the second conductor unit is a secondary conductor unit, and the nominal cross-sectional area of the second conductor unit is 6mm². The second conductor unit is composed of multiple 0.2mm bare copper wires stranded together.
[0007] As a further improvement of the utility model, in order to enable the cable to have a certain flame retardant property and at the same time improve the overall safety of the cable, the first conductor unit and the second conductor unit are formed by a multi-stage stranding method, and the surfaces of the first conductor unit and the second conductor unit are covered with a 125°C irradiated cross-linked low-smoke and halogen-free flame retardant ethylene propylene rubber insulating layer.
[0008] As a further improvement of the present utility model, in order to ensure the stability and efficiency during the charging process, the cabling unit includes a cabling group, which is composed of six auxiliary conductors with a nominal cross-sectional area of 0.75 mm². The auxiliary conductors are formed by stranding multiple bare copper wires with a diameter of 0.15 mm, and the auxiliary conductors are covered with a high-density polyethylene insulating layer.
[0009] As a further improvement of the present utility model, in order to effectively reduce electromagnetic interference and ensure the stability and accuracy of signals, a shielding layer woven with tinned copper wires is also provided outside the cabling group.
[0010] As a further improvement of the present utility model, in order to ensure the overall roundness and mechanical strength of the cable, the inner cable sheath and the outer cable sheath are made of TPU material, and the inner cable sheath and the outer cable sheath are made by double-layer co-extrusion.
[0011] When the present utility model works, multiple bare copper wires with a diameter of 0.2 mm are stranded to form a first conductor unit with a nominal cross-sectional area of 10 mm²; multiple bare copper wires with a diameter of 0.2 mm are stranded to form a second conductor unit with a nominal cross-sectional area of 6 mm²; a 125°C irradiated cross-linked low-smoke and halogen-free flame-retardant ethylene-propylene rubber insulating layer is covered on the surfaces of the first conductor unit and the second conductor unit; an auxiliary conductor with a nominal cross-sectional area of 0.75 mm² is formed by stranding multiple bare copper wires with a diameter of 0.15 mm, a high-density polyethylene insulating layer is covered outside the auxiliary conductor, six auxiliary conductors are combined into a cabling group, a shielding layer woven with tinned copper wires is provided outside the cabling group, TPU material is selected as the manufacturing material for the inner cable sheath and the outer cable sheath, and double-layer co-extrusion technology is used to manufacture the inner cable sheath and the outer cable sheath, and the conductor assembly, the cabling unit, and the filling cable are assembled together according to the design requirements.
[0012] The beneficial effects of the present utility model are as follows: The present utility model provides an AC charging interface cable for 32A European standard new energy vehicles, and the beneficial effects of this charging interface cable are specifically reflected in the following aspects:
[0013] Excellent safety performance:
[0014] The cable uses 125°C irradiated cross-linked low-smoke and halogen-free flame-retardant ethylene-propylene rubber as the insulating layer material for the first conductor unit and the second conductor unit. This material has good flame-retardant performance, can effectively slow down the spread of fire in case of fire, and at the same time reduce the generation of toxic smoke, ensuring the safety of personnel and vehicles.
[0015] The high-density polyethylene insulating layer of the cabling unit also has good insulation and flame-retardant properties, further improving the overall safety of the cable.
[0016] High conductivity and stability:
[0017] Both the first conductor unit (main conductor, 10 mm²) and the second conductor unit (sub-conductor, 6 mm²) are composed of multiple 0.2-mm bare copper wires through a multi-stage stranding method. This structure not only increases the cross-sectional area of the conductor but also improves the current transmission efficiency, ensuring high conductivity and stability during the charging process.
[0018] Good shielding effect:
[0019] The tinned copper wire braided shielding layer set outside the cable group can effectively resist electromagnetic interference, ensure the stability and accuracy of signal transmission, and reduce signal fluctuations or distortions caused by the external electromagnetic environment.
[0020] Excellent abrasion and weather resistance:
[0021] The inner sheath and outer sheath of the cable are made by double-layer co-extrusion of TPU material. The TPU material has good abrasion resistance, weather resistance, and flexibility, which can maintain the stability and durability of the cable under different climate conditions and extend the service life of the cable. Brief Description of the Drawings
[0022] For the convenience of those skilled in the art to understand, the following further describes the present utility model in conjunction with the drawings:
[0023] Figure 1 It is the structural diagram of the present utility model.
[0024] Among them, 1 is the conductor assembly, 2 is the cable group unit, 3 is the filling cable, 4 is the inner sheath of the cable, 5 is the outer sheath of the cable, 6 is the first conductor unit, 7 is the second conductor unit, 8 is the cable group, 9 is the auxiliary conductor, and 10 is the shielding layer. Detailed Embodiment
[0025] In order to enable those in the technical field to better understand the technical solutions in this application, the following further describes the present utility model in conjunction with the attached Figure 1 The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.
[0026] As Figure 1 shown, an AC charging interface cable for a 32A European standard new energy vehicle includes a charging interface cable body. The charging interface cable body includes a conductor assembly 1 arranged inside the charging interface cable body. In addition to the conductor assembly 1, the charging interface cable body is also provided with a cable group unit 2. The cable group unit 2 is cooperatively provided with a filling cable 3. A cable inner sheath 4 is arranged outside the conductor assembly 1, and a cable outer sheath 5 is arranged outside the cable inner sheath 4.
[0027] The conductor assembly 1 includes a first conductor unit 6 and a second conductor unit 7. The first conductor unit 6 is the main conductor unit, and the nominal cross-sectional area of the first conductor unit 6 is 10 mm². The first conductor unit 6 is formed by stranding multiple bare copper wires with a diameter of 0.2 mm.
[0028] The second conductor unit 7 is the secondary conductor unit. The nominal cross-sectional area of the second conductor unit 7 is 6 mm². The second conductor unit 7 is formed by stranding multiple bare copper wires with a diameter of 0.2 mm.
[0029] The first conductor unit 6 and the second conductor unit 7 are formed by a multi-stage stranding method, and the surfaces of the first conductor unit 6 and the second conductor unit 7 are covered with a 125°C irradiated cross-linked low-smoke and halogen-free flame-retardant ethylene propylene rubber insulation layer.
[0030] The cabling unit 2 includes a cabling group 8. The cabling group 8 is composed of six auxiliary conductors 9 with a nominal cross-sectional area of 0.75 mm². The auxiliary conductors 9 are formed by stranding multiple bare copper wires with a diameter of 0.15 mm, and the auxiliary conductors 9 are covered with a high-density polyethylene insulation layer.
[0031] A shielding layer 10 made of tinned copper wire braiding is also provided outside the cabling group 8.
[0032] The cable inner sheath 4 and the cable outer sheath 5 are made of TPU material, and the cable inner sheath 4 and the cable outer sheath 5 are made by double-layer co-extrusion.
[0033] When the present utility model works, by using multiple bare copper wires with a diameter of 0.2 mm for stranding, a first conductor unit 6 with a nominal cross-sectional area of 10 mm² is formed; by using multiple bare copper wires with a diameter of 0.2 mm for stranding, a second conductor unit 7 with a nominal cross-sectional area of 6 mm² is formed; a 125°C irradiated cross-linked low-smoke and halogen-free flame-retardant ethylene propylene rubber insulation layer is covered on the surfaces of the first conductor unit 6 and the second conductor unit 7; by using multiple bare copper wires with a diameter of 0.15 mm for stranding to form an auxiliary conductor 9 with a nominal cross-sectional area of 0.75 mm², a high-density polyethylene insulation layer is covered on the auxiliary conductor 9, six auxiliary conductors 9 are combined into a cabling group 8, a shielding layer 10 made of tinned copper wire braiding is provided outside the cabling group 8, TPU material is selected as the manufacturing material for the cable inner sheath 4 and the cable outer sheath 5, and the cable inner sheath 4 and the cable outer sheath 5 are manufactured using double-layer co-extrusion technology, and the conductor assembly 1, the cabling unit 2, and the filling cable 3 are assembled together according to the design requirements.
[0034] The present utility model is not limited to the above embodiments. Based on the technical solutions disclosed in the present utility model, those skilled in the art can make some substitutions and deformations to some technical features without creative labor according to the disclosed technical content, and these substitutions and deformations are all within the protection scope of the present utility model.
Claims
1. A 32A European standard AC charging interface cable for new energy vehicles, comprising a charging interface cable body, characterized in that: The charging interface cable body comprises a conductor component (1) arranged inside the charging interface cable body. In addition to the conductor component (1), the charging interface cable body is also provided with a cabling unit (2). The cabling unit (2) is provided with a filling cable (3). The conductor component (1) is provided with a cable inner sheath (4) outside, and a cable outer sheath (5) is provided outside the cable inner sheath (4).
2. A 32A European standard AC charging interface cable for new energy vehicles according to claim 1, characterized in that: The conductor assembly (1) comprises a first conductor unit (6) and a second conductor unit (7); the first conductor unit (6) is a main conductor unit; the nominal cross-section of the first conductor unit (6) is 10 mm²; the first conductor unit (6) is formed by twisting a plurality of bare copper wires of 0.2 mm in diameter.
3. A 32A European standard AC charging interface cable for new energy vehicles according to claim 2, characterized in that: The second conductor unit (7) is a secondary conductor unit, the nominal cross-section of the second conductor unit (7) is 6 mm², and the second conductor unit (7) is formed by twisting a plurality of 0.2 mm bare copper wires.
4. A 32A European standard AC charging interface cable for new energy vehicles according to claim 2, characterized in that: The first conductor unit (6) and the second conductor unit (7) are formed by a multi-stage twisting method, and the surfaces of the first conductor unit (6) and the second conductor unit (7) are covered with a 125°C irradiation cross-linked low-smoke halogen-free flame-retardant ethylene-propylene rubber insulation layer.
5. The 32A European standard AC charging interface cable for new energy vehicles according to claim 1, characterized in that: The cabling unit (2) comprises a cabling group (8), wherein the cabling group (8) is composed of six auxiliary conductors (9) with a nominal cross-section of 0.75 mm², wherein the auxiliary conductors (9) are formed by twisting a plurality of bare copper wires with a diameter of 0.15 mm, and the auxiliary conductors (9) are covered with a high-density polyethylene insulation layer.
6. A 32A European standard AC charging interface cable for new energy vehicles according to claim 5, characterized in that: A shielding layer (10) braided with tinned copper wires is also provided on the outside of the cabling group (8).
7. The 32A European standard AC charging interface cable for new energy vehicles according to claim 1, characterized in that: The cable inner sheath (4) and the cable outer sheath (5) are made of TPU material, and the cable inner sheath (4) and the cable outer sheath (5) are made by double-layer co-extrusion.