Composite cable for charging new energy automobile
By adopting composite cable design in the charging cable of new energy vehicles, including multi-layer insulation and protective structure, the problem of poor insulation effect of existing cables is solved, and safety and service life are improved.
Patent Information
- Application Number
- CN202421425541.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The insulation effect of existing new energy vehicle charging cables is poor, and it is prone to leakage, affecting safety.
It adopts a composite cable design, including conductors, linings, insulating mechanisms and protective mechanisms. The insulating mechanism consists of a first insulating layer, a second insulating layer, a shielding layer and an insulating coating, and the protection mechanism consists of a first reinforcement layer, a fireproof layer, a second reinforcement layer and a waterproof layer.
It improves the insulation performance and safety of the cable, avoids leakage, enhances the shielding effect of the cable, improves strength, fire resistance and waterproof performance, thereby extending the service life of the cable.
Smart Images
Figure CN222826105U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile charging cables, in particular to a composite cable for charging new energy vehicles. Background Art
[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles need to be charged in a timely manner when in use to ensure their normal use, and charging cannot be separated from the use of cables.
[0003] A Chinese patent discloses an ultra-soft and cold-resistant charging pile cable for new energy vehicles (authorization announcement number CN212208961U). This patented technology has the characteristics of flame retardancy, aging resistance, wear resistance, oil resistance, hydrolysis resistance, etc. while meeting the requirements of power transmission, signal monitoring, and safety warning. It is also ultra-soft, cold-resistant, and tensile-resistant.
[0004] However, most of the existing cables adopt single-layer insulation, which results in poor insulation effect and affects safety. For example, the above-mentioned reference document adopts a single-layer insulation method. In actual application, when leakage occurs and the insulation is poor, it is easy to cause harm to the user. Therefore, those skilled in the art provide a composite cable for charging new energy vehicles to solve the problems raised in the above background technology. Utility Model Content
[0005] The purpose of the utility model is to provide a composite cable for charging new energy vehicles to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A composite cable for charging new energy vehicles, comprising a conductor and an inner lining layer wrapped around the outside of the conductor, an insulating mechanism is arranged outside the inner lining layer, the insulating mechanism comprises a first insulating layer and a second insulating layer arranged outside the inner lining layer from outside to inside, the inner side of the second insulating layer is also coated with an insulating coating, and a shielding layer is also arranged between the first insulating layer and the second insulating layer; a protective mechanism is also arranged outside the insulating mechanism, the protective mechanism comprises a first reinforcement layer and a second reinforcement layer arranged outside the insulating mechanism from outside to inside, and the first reinforcement layer is coated with an outer sheath outside.
[0008] As a further solution of the present invention: the first insulating layer and the second insulating layer have the same thickness, and both the first insulating layer and the second insulating layer are made of cross-linked polyethylene insulating material.
[0009] As a further solution of the utility model: the thickness of the shielding layer is half of the thickness of the first insulating layer, and the shielding layer is made of polyurethane PUR material, and the insulating coating is polyester imide paint.
[0010] As a further solution of the utility model: a fireproof layer is arranged between the first reinforcement layer and the second reinforcement layer, and the material of the fireproof layer is mica.
[0011] As a further solution of the present invention: the first reinforcement layer and the second reinforcement layer have the same thickness, and the first reinforcement layer and the second reinforcement layer are both made of glass fiber.
[0012] As a further solution of the utility model: a waterproof layer is also arranged on the inner side of the second reinforcement layer, and the material of the waterproof layer is butyl rubber.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model sets an insulating mechanism so that the first insulating layer and the second insulating layer can make the new energy vehicle charging cable have good insulation performance, and the insulating coating can improve its insulation, thereby improving safety and avoiding leakage from causing harm to users. At the same time, the shielding layer can make the cable have a shielding effect, avoiding current interference and affecting the normal use of the cable, and has good practicality.
[0015] 2. The utility model sets a protective mechanism so that the strength of the cable can be improved through the first reinforcement layer and the second reinforcement layer. At the same time, the fireproof layer can make the cable fireproof, and the waterproof layer can make the cable waterproof, thereby improving the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of a composite cable for charging new energy vehicles;
[0017] Figure 2 This is a schematic diagram of the structure of the insulation mechanism in a composite cable for charging new energy vehicles;
[0018] Figure 3 This is a schematic diagram of the structure of a protective mechanism in a composite cable for charging new energy vehicles.
[0019] In the figure: 1. outer sheath; 2. protection mechanism; 21. first reinforcement layer; 22. fireproof layer; 23. second reinforcement layer; 24. waterproof layer; 3. insulation mechanism; 31. first insulation layer; 32. shielding layer; 33. second insulation layer; 34. insulation coating; 4. inner lining layer; 5. conductor. DETAILED DESCRIPTION
[0020] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.
[0021] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0025] Embodiment 1:
[0026] like Figure 1 , Figure 2 and Figure 3As shown, this embodiment proposes a composite cable for charging new energy vehicles, including a conductor 5 and an inner lining layer 4 wrapped around the outside of the conductor 5, an insulating mechanism 3 is arranged outside the inner lining layer 4, and the insulating mechanism 3 includes a first insulating layer 31 and a second insulating layer 33 arranged outside the inner lining layer 4 from the outside to the inside, and the inner side of the second insulating layer 33 is also coated with an insulating coating 34, and a shielding layer 32 is also arranged between the first insulating layer 31 and the second insulating layer 33; a protective mechanism 2 is also arranged outside the insulating mechanism 3, and the protective mechanism 2 includes a first reinforcement layer 21 and a second reinforcement layer 23 arranged outside the insulating mechanism 3 from the outside to the inside, and the outside of the first reinforcement layer 21 is coated with an outer sheath 1. The insulating mechanism 3 can be used to achieve good insulation of the cable and ensure the safety of the user. At the same time, the protective mechanism 2 can be used to achieve protection of the cable and improve the service life of the cable.
[0027] Embodiment 2:
[0028] The solution in Example 1 is further introduced below in combination with a specific working method, as described below:
[0029] like Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the first insulating layer 31 and the second insulating layer 33 have the same thickness, and the first insulating layer 31 and the second insulating layer 33 are both cross-linked polyethylene insulating materials. This arrangement utilizes the first insulating layer 31 and the second insulating layer 33 to achieve the purpose of double insulation of the cable.
[0030] like Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the thickness of the shielding layer 32 is half of the thickness of the first insulating layer 31, and the shielding layer 32 is polyurethane PUR material, and the insulating coating 34 is polyesterimide paint. This setting utilizes the shielding layer 32 to achieve the purpose of good shielding of the cable, and at the same time utilizes the insulating coating 34 to improve its insulation purpose.
[0031] like Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, a fireproof layer 22 is arranged between the first reinforcement layer 21 and the second reinforcement layer 23, and the material of the fireproof layer 22 is mica. This arrangement using the fireproof layer 22 can realize that the cable has good fireproof performance.
[0032] like Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, the first reinforcement layer 21 and the second reinforcement layer 23 have the same thickness, and the materials of the first reinforcement layer 21 and the second reinforcement layer 23 are both glass fiber. This arrangement utilizes the first reinforcement layer 21 and the second reinforcement layer 23 to increase the service life of the cable.
[0033] like Figure 3 As shown, as a preferred embodiment, based on the above method, further, a waterproof layer 24 is provided on the inner side of the second reinforcement layer 23, and the material of the waterproof layer 24 is butyl rubber. This arrangement utilizes the waterproof layer 24 to make the cable waterproof and improve its service life.
[0034] Embodiment 3:
[0035] The schemes in Example 1 and Example 2 are further introduced below in combination with specific working methods, as described below for details:
[0036] Specifically, when the composite cable for charging new energy vehicles is working / in use: an insulating mechanism 3 is arranged inside the cable, and the insulating mechanism 3 is composed of a first insulating layer 31, a second insulating layer 33, a shielding layer 32 and an insulating coating 34. The first insulating layer 31 and the second insulating layer 33 can make the new energy vehicle charging cable have good insulation performance, and the insulating coating 34 can improve its insulation, thereby improving safety and avoiding leakage and causing harm to the user. At the same time, the shielding layer 32 can make the cable have a shielding effect to avoid current interference and affect the normal use of the cable, and the practicality is good; at the same time, a protective mechanism 2 is also arranged inside the cable, and the protective mechanism 2 is composed of a first reinforcement layer 21, a fireproof layer 22, a second reinforcement layer 23 and a waterproof layer 24. In this way, the strength of the cable can be improved by the first reinforcement layer 21 and the second reinforcement layer 23, and the fireproof layer 22 can make the cable have fireproof performance, and the waterproof layer 24 can make the cable have waterproof performance, thereby improving the service life of the cable.
[0037] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.
Claims
1. A composite cable for charging a new energy vehicle, comprising a conductor (5) and an inner lining layer (4) wrapped around the conductor (5), characterized in that: An insulating mechanism (3) is arranged outside the inner lining layer (4), the insulating mechanism (3) comprising a first insulating layer (31) and a second insulating layer (33) arranged outside the inner lining layer (4) from the outside to the inside, the inner side of the second insulating layer (33) is also coated with an insulating coating (34), and a shielding layer (32) is also arranged between the first insulating layer (31) and the second insulating layer (33); a protective mechanism (2) is also arranged outside the insulating mechanism (3), the protective mechanism (2) comprising a first reinforcement layer (21) and a second reinforcement layer (23) arranged outside the insulating mechanism (3) from the outside to the inside, and the first reinforcement layer (21) is coated with an outer sheath (1) outside.
2. A composite cable for charging new energy vehicles according to claim 1, characterized in that: The first insulating layer (31) and the second insulating layer (33) have the same thickness, and both the first insulating layer (31) and the second insulating layer (33) are made of cross-linked polyethylene insulating material.
3. A composite cable for charging new energy vehicles according to claim 1, characterized in that: The thickness of the shielding layer (32) is half the thickness of the first insulating layer (31), and the shielding layer (32) is made of polyurethane (PUR) material, and the insulating coating (34) is polyester imide paint.
4. A composite cable for charging new energy vehicles according to claim 1, characterized in that: A fireproof layer (22) is provided between the first reinforcement layer (21) and the second reinforcement layer (23), and the material of the fireproof layer (22) is mica.
5. A composite cable for charging new energy vehicles according to claim 1, characterized in that: The first reinforcement layer (21) and the second reinforcement layer (23) have the same thickness, and the first reinforcement layer (21) and the second reinforcement layer (23) are both made of glass fiber.
6. A composite cable for charging new energy vehicles according to claim 1, characterized in that: A waterproof layer (24) is also provided on the inner side of the second reinforcement layer (23), and the material of the waterproof layer (24) is butyl rubber.