Novel charging pile cable

Abstract

The utility model relates to the technical field of cables, and discloses a novel charging pile cable, which is characterized in that a first filling layer is arranged between a cable conductor and a first protective layer, the outer side of the first protective layer is sleeved with an armor layer, a second filling layer is arranged between the armor layer and the first protective layer, and the second filling layer comprises flame-retardant filling columns and supporting columns. The flame-retardant packed columns and the supporting columns abut against the outer side of the first protection layer and the inner side of the armor layer respectively, and the flame-retardant packed columns are arranged between the adjacent supporting columns. According to the utility model, the flame-retardant filling column is a glass fiber rod and has a flame-retardant effect, when the cable of the charging pile is heated and spontaneously ignited during charging, the flame-retardant filling column can prevent fire from spreading, and the supporting column can provide better supporting performance for the cable and has a certain flame-retardant effect, so that the charging safety of the charging pile is ensured; the steps and the inclined surfaces can buffer the extrusion force of the cable, the cable conductors are prevented from being extruded and deformed, and the armor layer is made of a metal material, so that the compression resistance and tensile strength of the cable are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a novel charging pile cable. Background Art

[0002] At present, with the healthy, stable and sustainable development of the new energy vehicle industry, the energy supply facilities "charging piles" supporting new energy electric vehicles have become the focus of attention at home and abroad. Setting up reasonable charging piles in shopping malls, residential parking lots, public buildings and other places will be conducive to the promotion and growth of new energy vehicles, stimulate the development of the new energy vehicle industry in the sinking market, and promote the use of clean energy and energy conservation. Among them, the charging pile cable is the blood vessel for transmitting energy for new energy electric vehicles, and is an important logistical part to ensure the convenient and smooth travel of new energy vehicles. The core will be subjected to a certain amount of tension, and it is easy to break the core during long-term use.

[0003] Since charging pile cables are often bent and squeezed during use, it is necessary to improve the strength of the cables to prevent the cables from breaking during long-term use. At the same time, for the safety of charging, the flame retardancy of the cables also needs to be improved. For this reason, a new type of charging pile cable is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a new charging pile cable to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a novel charging pile cable, comprising a cable conductor, a first protective layer is sleeved on the outer side of the cable conductor, a first filling layer is arranged between the cable conductor and the first protective layer, an armor layer is sleeved on the outer side of the first protective layer, and a second filling layer is arranged between the armor layer and the first protective layer;

[0006] The second filling layer includes a flame retardant filling column and a support column, the flame retardant filling column and the support column respectively contact the outer side of the first protective layer and the inner side of the armor layer, and the flame retardant filling column is arranged between adjacent support columns.

[0007] Preferably, the support column is provided with a step, and both sides of the support column are provided with inclined surfaces.

[0008] Preferably, the flame retardant filling column abuts against an inclined plane, and the step is located on the outside of the flame retardant filling column.

[0009] Preferably, the cable conductor comprises a first insulating layer and a core, the core is arranged inside the first insulating layer, and the first protective layer is wrapped around the outside of the first insulating layer.

[0010] Preferably, the outer side of the armor layer is wrapped with a second protective layer.

[0011] Preferably, the armor layer is spirally wound around the outer sides of the flame-retardant filling column and the support column, the flame-retardant filling column is a glass fiber rod, and the support column is made of ethylene propylene rubber.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the flame-retardant filling column of the utility model is a glass fiber rod, which can have a flame-retardant effect. When the charging pile cable is charged and heated and spontaneously combusts, it can prevent the spread of fire. The support column can provide better support for the cable and has a certain flame-retardant effect to ensure the charging safety of the charging pile. The steps and inclined surfaces can buffer the extrusion force on the cable to prevent the cable conductor from being squeezed and deformed. The armor layer is made of metal to ensure the compressive and tensile strength of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the cable cross-section structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cable conductor structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the armor layer structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the flame retardant filling column structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the inclined surface structure of the utility model.

[0019] Explanation of the accompanying drawings: 1. Cable conductor; 101. First insulating layer; 102. Core; 2. First filling layer; 3. First protective layer; 4. Second filling layer; 401. Flame retardant filling column; 402. Support column; 403. Step; 404. Inclined surface; 5. Armor layer; 6. Second protective layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0021] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0022] Example

[0023] In the prior art, since the charging pile cable is often bent and squeezed during use, it is necessary to improve the strength of the cable to prevent the cable from breaking during long-term use. At the same time, for the safety of charging, the flame retardancy of the cable also needs to be improved.

[0024] See also Figure 1-5 The utility model provides a technical solution: a new charging pile cable, comprising a cable conductor 1, a first protective layer 3 is sleeved on the outside of the cable conductor 1, a first filling layer 2 is arranged between the cable conductor 1 and the first protective layer 3, an armor layer 5 is sleeved on the outside of the first protective layer 3, a second filling layer 4 is arranged between the armor layer 5 and the first protective layer 3, and the armor layer 5 is made of metal to ensure the compressive and tensile strength of the cable and prevent the cable from being damaged due to external forces such as pulling and pressure during use.

[0025] The second filling layer 4 includes a flame retardant filling column 401 and a support column 402, which are respectively in contact with the outer side of the first protective layer 3 and the inner side of the armor layer 5. The flame retardant filling column 401 is arranged between adjacent support columns 402, and the flame retardant filling column 401 is a glass fiber rod, and the support column 402 is made of ethylene propylene rubber. The flame retardant filling column 401 is a glass fiber rod, which can have a flame retardant effect. When the charging pile cable is heated and spontaneously ignites during charging, the spread of the fire can be prevented. The support column 402 can provide better support for the cable and has a certain flame retardant effect, thereby ensuring the charging safety of the charging pile. A step 403 is arranged on the support column 402, and inclined surfaces 404 are arranged on both sides of the support column 402. The flame retardant filling column 401 is in contact with the inclined surface 404, and the step 403 is located on the outer side of the flame retardant filling column 401. The step 403 and the inclined surface 404 can buffer the extrusion force on the cable to prevent the cable conductor 1 from being deformed by extrusion.

[0026] The cable conductor 1 includes a first insulating layer 101 and a core 102. The core 102 is arranged inside the first insulating layer 101. The core 102 is a copper wire. The first protective layer 3 is wrapped around the outside of the first insulating layer 101. The first protective layer 3 can protect the first insulating layer 101 to prevent the first insulating layer 101 from being corroded. The outside of the armor layer 5 is wrapped with a second protective layer 6. The second protective layer 6 is made of rubber, which can ensure the wear resistance and waterproofness of the cable, prevent the cable from being worn by dragging and friction with the ground, and cause damage to the cable for a long time, while ensuring the normal use of the charging pile cable in a humid environment. The armor layer 5 is spirally wound on the outside of the flame-retardant filling column 401 and the support column 402. The armor layer 5 can ensure the tensile strength of the cable by spiral winding to ensure the durability of the cable.

[0027] Working principle or structural principle, when in use, the flame retardant filling column 401 is a glass fiber rod, which can have a flame retardant effect. When the charging pile cable is charged and heated and self-ignites, it can prevent the spread of fire. The support column 402 can provide better support for the cable and has a certain flame retardant effect to ensure the charging safety of the charging pile. The step 403 and the inclined surface 404 can buffer the extrusion force on the cable to prevent the cable conductor 1 from being squeezed and deformed; the armor layer 5 is made of metal to ensure the compressive and tensile strength of the cable to prevent the cable from being damaged by external forces such as pulling and pressure during use; the second protective layer 6 is made of rubber, which can ensure the wear resistance and waterproofness of the cable to prevent the cable from being worn by dragging and friction with the ground, causing damage to the cable for a long time, and at the same time ensure the normal use of the charging pile cable in a humid environment.

[0028] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0029] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

[0030] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new charging pile cable, comprising a cable conductor (1), characterized in that: The outer side of the cable conductor (1) is sleeved with a first protective layer (3), a first filling layer (2) is provided between the cable conductor (1) and the first protective layer (3), an armor layer (5) is sleeved on the outer side of the first protective layer (3), and a second filling layer (4) is provided between the armor layer (5) and the first protective layer (3); The second filling layer (4) comprises a flame retardant filling column (401) and a support column (402), wherein the flame retardant filling column (401) and the support column (402) respectively contact the outer side of the first protective layer (3) and the inner side of the armor layer (5), and the flame retardant filling column (401) is arranged between adjacent support columns (402).

2. A new charging pile cable according to claim 1, characterized in that: The support column (402) is provided with a step (403), and both sides of the support column (402) are provided with inclined surfaces (404).

3. A new charging pile cable according to claim 2, characterized in that: The flame-retardant filling column (401) abuts against the inclined surface (404), and the step (403) is located outside the flame-retardant filling column (401).

4. A new charging pile cable according to claim 1, characterized in that: The cable conductor (1) comprises a first insulating layer (101) and a wire core (102), wherein the wire core (102) is arranged inside the first insulating layer (101), and the first protective layer (3) is wrapped around the outside of the first insulating layer (101).

5. A new charging pile cable according to claim 1, characterized in that: The outer side of the armor layer (5) is wrapped with a second protective layer (6).

6. A new charging pile cable according to claim 1, characterized in that: The armor layer (5) is spirally wound around the outer sides of the flame-retardant filling column (401) and the support column (402); the flame-retardant filling column (401) is a glass fiber rod, and the support column (402) is made of ethylene propylene rubber.

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