Flame-retardant cold-resistant high-performance shielding power supply flexible cable for new energy

Abstract

The utility model discloses a flame-retardant cold-resistant high-performance shielding power supply flexible cable for new energy, which comprises a rubber strip, and a first power line, a second power line, a ground wire, a signal line, a control line and a monitoring line are distributed on the outer side of the rubber strip. The rubber strip, the first power line, the second power line, the ground line, the signal line, the control line and the monitoring line are wrapped by a wrapping layer, and gaps formed after wrapping of the wrapping layer are filled with a flame-retardant filling layer. The outer side of the wrapping layer is coated with a flame-retardant layer, the outer side of the flame-retardant layer is coated with a first shielding layer, and the outer side of the first shielding layer is coated with a cold-resistant insulating layer. According to the utility model, the first shielding layer is coated outside the flame-retardant layer, and each cable inside can be shielded through the first shielding layer; the outer side of the inner insulating layer is coated with the second shielding layer, the two coated conductors are coated with the third shielding layer, double shielding can be carried out on the single cable through the second shielding layer and the third shielding layer, and therefore the overall shielding performance of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply flexible cables, in particular to a flame-retardant, cold-resistant and high-performance shielded power supply flexible cable for new energy. Background Art

[0002] New energy electric vehicles rely on electricity to power the car, so charging facilities are an important part of the new energy electric vehicle industry chain that cannot be ignored. While vigorously developing the new energy electric vehicle industry, we should also fully consider the development of charging facilities. It can be seen that the design and development of cables for new energy electric vehicle charging piles is very important.

[0003] The cables used in new energy electric vehicle charging piles have large load currents, are frequently moved during use, and are exposed to outdoor environments for a long time. Existing cables used in charging piles have deficiencies in terms of weather resistance, flexibility, and tensile strength. To this end, we propose a flame-retardant, cold-resistant, high-performance shielded power soft cable for new energy. Utility Model Content

[0004] The utility model aims to provide a flame-retardant, cold-resistant and high-performance shielded power soft cable for new energy, so as to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flame-retardant, cold-resistant, high-performance shielded soft power cable for new energy, comprising a rubber strip, a first power line, a second power line, a ground line, a signal line, a control line and a monitoring line are distributed on the outside of the rubber strip, the rubber strip, the first power line, the second power line, the ground line, the signal line, the control line and the monitoring line are coated with a wrapping layer, and the gaps after the wrapping are filled with a flame-retardant filling layer; the outside of the wrapping layer is coated with a flame-retardant layer, the outside of the flame-retardant layer is coated with a first shielding layer, and the outside of the first shielding layer is coated with a cold-resistant insulating layer.

[0006] Preferably, the signal line, control line and monitoring line all include a conductor, an inner insulating layer, a second shielding layer and a third shielding layer. The outer side of the conductor is coated with the inner insulating layer, the outer side of the inner insulating layer is coated with the second shielding layer, and the third shielding layer wraps the two coated conductors.

[0007] Preferably, the inner insulating layer is a TPE layer, and the second shielding layer and the third shielding layer are both metal wire braided layers.

[0008] Preferably, it further comprises flexible metal ropes, wherein at least three flexible metal ropes are provided, and the plurality of flexible metal ropes are evenly distributed on the inner side of the wrapping layer.

[0009] Preferably, the flame retardant filling layer is filled with rock wool; and the flame retardant layer is made of flame retardant mica tape.

[0010] Preferably, the wrapping layer is made of a non-woven fabric layer; the first shielding layer is made of a metal wire braided layer or an aluminum-plastic composite tape; and the cold-resistant insulating layer is made of a thermoplastic elastomer TPE layer.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The flame retardant layer is coated with a first shielding layer, and each internal cable can be shielded by the first shielding layer; the inner insulating layer is coated with a second shielding layer, and the third shielding layer wraps the two coated conductors. The second shielding layer and the third shielding layer can double-shield a single cable, thereby improving the overall shielding performance of the cable.

[0013] 2. The gap after the sheath is covered is filled with a flame retardant filling layer, and the outer side of the sheath is covered with a flame retardant layer. The flame retardant filling layer and the flame retardant layer improve the flame retardant performance of the cable.

[0014] 3. The outside of the first shielding layer is covered with a cold-resistant insulation layer, which is made of a thermoplastic elastomer TPE layer, and has good cold resistance, high heat resistance, aging resistance, and good low-smoke flame retardant properties.

[0015] 4. At least three flexible metal ropes are provided, and the multiple flexible metal ropes are evenly distributed on the inner side of the sheath. The flexible metal ropes can improve the tensile performance of the cable without affecting the flexibility of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the signal line of the utility model.

[0019] In the figure: 1. first power line; 2. flexible metal rope; 3. second power line; 4. ground line; 5. signal line; 6. control line; 7. monitoring line; 8. wrapping layer; 9. flame retardant layer; 10. first shielding layer; 11. cold-resistant insulation layer; 51. conductor; 52. inner insulation layer; 53. second shielding layer; 54. third shielding layer. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0021] See also Figure 1-2 In an embodiment of the utility model, a flame-retardant, cold-resistant, high-performance shielded power soft cable for new energy includes a rubber strip, and a first power line 1, a second power line 3, a ground line 4, a signal line 5, a control line 6, and a monitoring line 7 are distributed on the outside of the rubber strip. The rubber strip, the first power line 1, the second power line 3, the ground line 4, the signal line 5, the control line 6, and the monitoring line 7 are coated by a wrapping layer 8, and the gaps after the wrapping layer 8 is coated are filled with a flame-retardant filling layer; the outer side of the wrapping layer 8 is coated with a flame-retardant layer 9, and the flame-retardant filling layer and the flame-retardant layer improve the flame-retardant performance of the cable; the outer side of the flame-retardant layer 9 is coated with a first shielding layer 10, and the first shielding layer The outer side of the shielding layer 10 is coated with a cold-resistant insulating layer 11; at least three flexible metal ropes 2 are arranged, and the multiple flexible metal ropes 2 are evenly distributed on the inner side of the winding layer 8. The flexible metal ropes can improve the tensile performance of the cable without affecting the flexibility of the cable; the flame-retardant filling layer is filled with rock wool; the flame-retardant layer 9 is made of flame-retardant mica tape; the winding layer 8 is made of a non-woven fabric layer; the first shielding layer 10 is made of a metal wire braided layer or an aluminum-plastic composite tape; the cold-resistant insulating layer 11 is made of a thermoplastic elastomer TPE layer, and the thermoplastic elastomer TPE has good cold resistance, high heat resistance, aging resistance, and good low-smoke flame retardant performance.

[0022] The signal line 5, control line 6 and monitoring line 7 all include a conductor 51, an inner insulating layer 52, a second shielding layer 53 and a third shielding layer 54. The outer side of the conductor 51 is coated with the inner insulating layer 52, the outer side of the inner insulating layer 52 is coated with the second shielding layer 53, and the third shielding layer 54 wraps the two coated conductors 51; the inner insulating layer 52 is a TPE layer, and the second shielding layer 53 and the third shielding layer 54 are both metal wire braided layers. The second shielding layer and the third shielding layer can perform double shielding on a single cable, thereby improving the overall shielding performance of the cable.

[0023] The working principle of the utility model is: the first power line 1, the second power line 3, the ground line 4, the signal line 5, the control line 6 and the monitoring line 7 are connected to the corresponding cables in sequence; the flame retardant layer is coated with a first shielding layer on the outside, and each internal cable can be shielded by the first shielding layer; the inner insulating layer is coated with a second shielding layer on the outside, and the third shielding layer wraps the two coated conductors, and the single cable can be doubly shielded by the second shielding layer and the third shielding layer, thereby improving the overall shielding performance of the cable; the gap after the sheath is coated is filled with a flame retardant filling layer, and the outer side of the sheath is coated with a flame retardant layer, and the flame retardant performance of the cable is improved by the flame retardant filling layer and the flame retardant layer; the first shielding layer is coated with a cold-resistant insulating layer on the outside, and the cold-resistant insulating layer adopts a thermoplastic elastomer TPE layer, which has good cold resistance, high heat resistance, aging resistance, and good low-smoke flame retardant performance; at least three flexible metal ropes are provided, and the plurality of flexible metal ropes are evenly distributed on the inner side of the sheath, and the flexible metal ropes can improve the tensile performance of the cable without affecting the flexibility of the cable.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flame-retardant, cold-resistant, high-performance shielded power soft cable for new energy, including a rubber strip, characterized in that: A first power line (1), a second power line (3), a ground line (4), a signal line (5), a control line (6) and a monitoring line (7) are distributed on the outer side of the rubber strip; the rubber strip, the first power line (1), the second power line (3), the ground line (4), the signal line (5), the control line (6) and the monitoring line (7) are coated by a wrapping layer (8); the gaps after the wrapping layer (8) is filled with a flame retardant filling layer; the outer side of the wrapping layer (8) is coated with a flame retardant layer (9); the outer side of the flame retardant layer (9) is coated with a first shielding layer (10); the outer side of the first shielding layer (10) is coated with a cold-resistant insulating layer (11).

2. According to claim 1, a flame-retardant, cold-resistant, high-performance shielded power flexible cable for new energy, characterized in that: The signal line (5), the control line (6) and the monitoring line (7) all comprise a conductor (51), an inner insulating layer (52), a second shielding layer (53) and a third shielding layer (54); the outer side of the conductor (51) is coated with the inner insulating layer (52); the outer side of the inner insulating layer (52) is coated with the second shielding layer (53); and the third shielding layer (54) wraps the two coated conductors (51).

3. The flame-retardant, cold-resistant, high-performance shielded power flexible cable for new energy according to claim 2, characterized in that: The inner insulating layer (52) is a TPE layer, and the second shielding layer (53) and the third shielding layer (54) are both metal wire braided layers.

4. The flame-retardant, cold-resistant, high-performance shielded power flexible cable for new energy according to claim 1, characterized in that: It also comprises flexible metal ropes (2), at least three of which are provided, and the plurality of flexible metal ropes (2) are evenly distributed inside the wrapping layer (8).

5. The flame-retardant, cold-resistant, high-performance shielded power flexible cable for new energy according to claim 1, characterized in that: The flame retardant filling layer is filled with rock wool; and the flame retardant layer (9) is made of flame retardant mica tape.

6. The flame-retardant, cold-resistant, high-performance shielded power flexible cable for new energy according to claim 1, characterized in that: The wrapping layer (8) is a non-woven fabric layer; the first shielding layer (10) is a metal wire braided layer or an aluminum-plastic composite tape; and the cold-resistant insulating layer (11) is a thermoplastic elastomer TPE layer.

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