Charging gun wire cable structure

Abstract

The utility model provides a cable structure of a charging gun wire, which comprises a plurality of power transmission lines including a plurality of positive transmission lines and a plurality of negative transmission lines; the plurality of power transmission lines are arranged along an annular track surrounding the at least one ground wire or the plurality of signal lines. The cable is more optimized in structural layout, more compact, smaller in wire diameter and lighter in weight.

Description

Technical Field

[0001] The invention relates to a cable, in particular to a charging gun cable structure. Background Art

[0002] The main structure of the existing charging gun cable is composed of a single power cable core and a protective sheath. The cable core wire diameter is very thick, resulting in a heavy gun line weight, poor flexibility, and inconvenient use. In addition, the single power cable core structure has low power and low current carrying capacity. Utility Model Content

[0003] The present invention provides a charging gun line cable structure, the structure layout of which is regular and reasonable, so that the layout of the charging gun line is more optimized and more compact, the wire diameter is smaller, and the charging gun line is lighter.

[0004] The present invention provides a charging gun cable structure, including:

[0005] A plurality of power transmission lines, including a plurality of positive transmission lines and a plurality of negative transmission lines;

[0006] At least one ground wire,

[0007] Multiple signal lines,

[0008] The plurality of power transmission lines are arranged along a ring-shaped track surrounding the at least one ground line or the plurality of signal lines.

[0009] In one embodiment of the present invention, some or all of the plurality of negative transmission lines are arranged along an inner annular track surrounding the at least one ground line;

[0010] The plurality of positive transmission lines and the plurality of signal lines are arranged along an outer annular track surrounding the at least one ground line.

[0011] In an embodiment of the present invention, the plurality of positive transmission lines and the plurality of signal lines are arranged alternately along the outer annular track.

[0012] In one embodiment of the present invention, the plurality of positive transmission lines and / or the plurality of negative transmission lines are arranged in a three-layer annular track around the at least one ground line.

[0013] In an embodiment of the present invention, the plurality of signal lines are arranged around the at least one ground line along the outermost and middle layers of the three-layer annular traces.

[0014] In an embodiment of the present invention, the plurality of power transmission lines and the at least one ground line are arranged along at least one layer of annular tracks surrounding the plurality of signal lines.

[0015] In an embodiment of the present invention, the gaps between the plurality of power transmission lines, at least one ground line, and the plurality of signal lines are filled with polypropylene (PP) fillers.

[0016] In an embodiment of the present invention, the plurality of power transmission lines use cables of the same size or cables of different sizes and types.

[0017] In one embodiment of the present invention, the plurality of positive transmission lines and the plurality of negative transmission lines each include 7 10 mm 2 Cable.

[0018] In one embodiment of the present invention, the plurality of positive transmission lines and the plurality of negative transmission lines each include 9 6 mm 2 Cable, 1 4mm 2 Cable, 7 pcs 2mm 2 cable.

[0019] In one embodiment of the present invention, the plurality of positive transmission lines and the plurality of negative transmission lines each include four 16 mm 2 Cable.

[0020] Compared with the prior art, the beneficial effects of this novel technology are:

[0021] The new charging gun cable structure includes multiple power transmission lines, at least one ground line, and multiple signal lines. It uses multiple conductors instead of the traditional single power conductor, and has a larger current carrying capacity. The multiple power transmission lines are arranged along a circular track around the at least one ground line or the multiple signal lines. The structure design is ingenious and the layout rules are reasonable, making the layout of the charging gun line more optimized, more compact, and with a smaller wire diameter.

[0022] In order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic cross-sectional structure diagram of the charging gun cable structure of the first embodiment of the present invention;

[0024] Figure 2 This is a schematic cross-sectional structure diagram of the charging gun cable structure of the second embodiment of the present invention;

[0025] Figure 3 This is a schematic cross-sectional structure diagram of the charging gun cable structure of the third embodiment of the present invention.

[0026] Wherein, the reference numerals are:

[0027] 1-Sheath

[0028] 2- Power transmission lines

[0029] 21-Positive transmission line

[0030] 22-Negative transmission line

[0031] 3- Ground wire

[0032] 4-Signal line

[0033] 5- Filling. DETAILED DESCRIPTION

[0034] In order to make the purpose, scheme and advantages of the new model clearer, the new model is further described in detail in conjunction with the accompanying drawings and specific implementation methods. However, this should not be understood as the above subject scope of the new model being limited to the following embodiments, and the technologies realized based on the content of the present invention all belong to the scope of the present invention.

[0035] The directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inside", "outside", etc. in the present invention are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0036] Figure 1 This is a schematic diagram of the structure of the charging gun cable structure of the first embodiment of the present invention. Figure 2 This is a schematic diagram of the structure of the charging gun cable structure of the second embodiment of the present invention. Figure 3 This is a schematic diagram of the structure of the charging gun cable structure of the third embodiment of the present invention.

[0037] Please refer to Figure 1-Figure 3 , the charging gun cable structure, which changes from a single conductor of a traditional charging gun cable to a multiple conductor carrying current together, specifically includes a sheath 1, and multiple conductors such as multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4. Among them: the multiple power transmission lines 2 include multiple positive transmission lines 21 and multiple negative transmission lines 22. The multiple power transmission lines 2 are arranged along a circular track around the at least one ground line 3 or the multiple signal lines 4. That is, the at least one ground line 3 or the multiple signal lines 4 are located at the center of the cable. When the at least one ground line 3 is located at the center of the cable, the multiple power transmission lines 2 and the multiple signal lines 4 are arranged in a circular track around the at least one ground line 3; when the multiple signal lines 4 are located at the center of the cable, the multiple power transmission lines 2 and the at least one ground line 3 are arranged in a circular track around the multiple signal lines 4. The multiple power transmission lines 2 can use cables of the same size or cables of different sizes and types. The following describes the cable structure with several different embodiments.

[0038] Embodiment 1

[0039] Please refer to Figure 1 In this embodiment, the charging gun cable structure specifically includes a sheath 1, multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4. Among them: the multiple power transmission lines 2 include multiple positive transmission lines 21 and multiple negative transmission lines 22. The at least one ground line 3 is located at the center of the cabling, and the multiple power transmission lines 2 are arranged along a circular track around the at least one ground line 1.

[0040] In this embodiment, part or all of the plurality of negative transmission lines 22 are arranged along an inner ring track around the at least one ground line; the plurality of positive transmission lines 21 and the plurality of signal lines 4 are arranged along an outer ring track around the at least one ground line. Figure 1 In it is shown that part of the multiple negative transmission lines 22 are arranged along the inner ring track around the at least one ground line, and the remaining multiple negative transmission lines 22, the multiple positive transmission lines 21 and the multiple signal lines 4 are arranged along the outer ring track around the at least one ground line, but the present invention is not limited to this, and all the negative transmission lines 22 can also be arranged in the inner ring track. Different arrangements can be made according to actual conditions, and are not limited to this.

[0041] In addition, see Figure 1 As shown in , a plurality of positive transmission lines and the plurality of signal lines are arranged alternately along the outer annular track, as shown in Figure 1 As shown in , positive transmission lines are arranged adjacent to each signal line on both sides.

[0042] In addition, in some embodiments, the charging gun cable structure is a DC charging gun cable, that is, the positive transmission line is a DC+ transmission line, and the negative transmission line is a DC- transmission line, but the present invention is not limited to a DC charging gun cable.

[0043] Furthermore, in some embodiments, the gaps between the plurality of power transmission lines 2 , at least one ground line 3 , the plurality of signal lines 4 , and the sheath 1 are filled with polypropylene (PP) fillers 5 .

[0044] In some embodiments, multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4 use new insulation materials. Under the premise of meeting the insulation performance, the insulation thickness is smaller. For example, in one embodiment, multiple power transmission lines 2 use polyperfluoroethylene propylene (F46) or polytetrafluoroethylene (PFA) insulation materials. In one embodiment, at least one ground line 3 and multiple signal lines 4 use cross-linked polyolefin (XLPO) insulation materials. However, the present invention is not limited to this.

[0045] In addition, in some embodiments, the sheath 1 is made of black thermoplastic polyurethane (TPU) plastic material, but the present invention is not limited thereto.

[0046] In addition, in some embodiments, the outer diameter of the cable structure is 30.0±1.0 mm, but the present invention is not limited thereto.

[0047] In addition, if Figure 1 As shown in FIG. 1 , in some embodiments, the plurality of positive transmission lines and the plurality of negative transmission lines each include 7 10 mm 2 Cables, but the specific number and size of the multiple positive transmission lines and the multiple negative transmission lines of the new model can be set differently according to actual conditions, and are not limited to this.

[0048] Therefore, in this embodiment, the cable structure adopts a multi-strand conductor method instead of the traditional single power conductor method, which has a larger current carrying capacity and uses less copper. The ground wire is located in the center of the cable, and the signal line and the power transmission line are regularly distributed on the outside of the cable. The gaps between the power transmission line, the ground wire, and the signal line are filled with polypropylene (PP) fillers. The structural design is ingenious and the layout rules are reasonable, so that the layout of the charging gun line is more optimized, more compact, and the wire diameter is smaller. At the same time, the power transmission line ensures current carrying, and the signal line meets the requirements for monitoring some real-time data during charging, and there is a path for transmitting the temperature detection signal to ensure that the charging process is safe and accurate. Compared with the existing cable structure, this embodiment improves the cable structure to make the outer diameter of the charging gun cable thinner, the weight of the same length lighter, the flexibility better, the overall performance better, and the service life longer.

[0049] Embodiment 2

[0050] Please refer to Figure 2 As shown in the figure, in this embodiment, the charging gun cable structure specifically includes a sheath 1, multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4. Among them: the multiple power transmission lines 2 include multiple positive transmission lines 21 and multiple negative transmission lines 22. The at least one ground line 3 is located at the center of the cabling, and the multiple power transmission lines 2 are arranged along a circular track around the at least one ground line 1.

[0051] In this embodiment, the plurality of positive transmission lines 21 and / or the plurality of negative transmission lines 22 are arranged in a three-layer annular track around the at least one ground line 3. At the same time, the plurality of signal lines 4 are arranged around the at least one ground line 3 along the outermost and middle tracks of the three-layer annular track.

[0052] In addition, in some embodiments, the plurality of positive transmission lines and the plurality of negative transmission lines each include cables of a plurality of different sizes and types, for example Figure 1In it, three different types of cables of first size, second size and third size are included, wherein the first size is larger than the second size and larger than the third size. In this embodiment, the number of positive transmission lines 21 and negative transmission lines 22 in the power transmission line 2 arranged in the innermost annular track is the same, and the size is also the same, which is a cable of the first size. And the positive transmission lines 21 are arranged on one side of the innermost annular track, and the negative transmission lines 22 are arranged on the other side, rather than staggered. The third size of positive transmission lines 21 and negative transmission lines 22, as well as part of the signal lines 4 are arranged in the middle layer annular track, and the number of positive transmission lines 21 and negative transmission lines 22 are the same, and the size is also the same. Among them, and the positive transmission lines 21 are arranged on one side of the middle layer annular track, and the negative transmission lines 22 are arranged on the other side, and the signal lines 4 are arranged between the two sides, rather than staggered with each other. The outermost annular track is arranged with the remaining positive transmission lines 21 and negative transmission lines 22 of the first size, the positive transmission lines 21 and negative transmission lines 22 of the second size, and the remaining signal lines 4, and the number of positive transmission lines 21 and negative transmission lines 22 is the same. Among them, the positive transmission lines 21 of the first size are arranged on one side of the outermost annular track, and the negative transmission lines 22 of the first size are arranged on the other side, and the signal lines 4 and the positive transmission lines 21 and negative transmission lines 22 of the second size are arranged between the two sides. In the present invention, the multiple positive transmission lines 21, the multiple negative transmission lines 22, and the signal line 4 can be arranged differently according to actual conditions, and are not limited to this.

[0053] In addition, in one embodiment, the plurality of positive transmission lines and the plurality of negative transmission lines each include 9 6 mm 2 Cable, 1 4mm 2 Cable, 7 pcs 2mm 2 However, the specific number and size of the multiple positive transmission lines and the multiple negative transmission lines of the present invention can be set differently according to actual conditions, and are not limited thereto.

[0054] In addition, in some embodiments, the charging gun cable structure is a DC charging gun cable, that is, the positive transmission line is a DC+ transmission line, and the negative transmission line is a DC- transmission line, but the present invention is not limited to a DC charging gun cable.

[0055] Furthermore, in some embodiments, the gaps between the plurality of power transmission lines 2 , at least one ground line 3 , the plurality of signal lines 4 , and the sheath 1 are filled with polypropylene (PP) fillers 5 .

[0056] In addition, in some embodiments, the outer diameter of the cable structure is 26.0±1.0 mm, but the present invention is not limited thereto.

[0057] Therefore, in this embodiment, the cable structure adopts a multi-strand conductor method instead of the traditional single power conductor method, which has a larger current carrying capacity and uses less copper. The ground wire is located in the center of the cable, and the signal line and the power transmission line are regularly distributed on the outside of the cable. The gaps between the power transmission line, the ground wire, and the signal line are filled with polypropylene (PP) fillers. The structural design is ingenious and the layout rules are reasonable, so that the layout of the charging gun line is more optimized, more compact, and the wire diameter is smaller. At the same time, the power transmission line ensures current carrying, and the signal line meets the requirements for monitoring some real-time data during charging, and there is a path for transmitting the temperature detection signal to ensure that the charging process is safe and accurate. Compared with the existing cable structure, this embodiment improves the cable structure to make the outer diameter of the charging gun cable thinner, the weight of the same length lighter, the flexibility better, the overall performance better, and the service life longer.

[0058] Embodiment 3

[0059] Please refer to Figure 3 As shown in, in this embodiment, the charging gun cable structure specifically includes a sheath 1, multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4. Among them: the multiple power transmission lines 2 include multiple positive transmission lines 21 and multiple negative transmission lines 22. Different from the above two embodiments, in this embodiment, the multiple signal lines 4 are located at the center of the cabling, and the multiple power transmission lines and the at least one ground line are arranged along at least one layer of annular tracks surrounding the multiple signal lines.

[0060] Among them, reference Figure 3 As shown in , in this embodiment, the multiple power transmission lines and the at least one ground line are arranged along a single-layer annular track surrounding the multiple signal lines, that is, all the power transmission lines and the ground lines are arranged on a single-layer annular track. And on one side of the annular track, all the positive transmission lines 21 are arranged, and on the other side, all the negative transmission lines 22 are arranged, and at least one ground line is arranged between the two sides. In the present invention, the multiple positive transmission lines 21, the multiple negative transmission lines 22, and the ground line 3 can be arranged differently according to actual conditions, and are not limited to this.

[0061] In addition, in some embodiments, the charging gun cable structure is a DC charging gun cable, that is, the positive transmission line is a DC+ transmission line, and the negative transmission line is a DC- transmission line, but the present invention is not limited to a DC charging gun cable.

[0062] Furthermore, in some embodiments, the gaps between the plurality of power transmission lines 2 , at least one ground line 3 , the plurality of signal lines 4 , and the sheath 1 are filled with polypropylene (PP) fillers 5 .

[0063] In some embodiments, multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4 use new insulation materials, and the insulation thickness is smaller under the premise of meeting the insulation performance. For example, in one embodiment, multiple power transmission lines 2, at least one ground line 3, and multiple signal lines 4 use thermoplastic elastomer insulation materials. The sheath 1 uses black thermoplastic polyurethane (TPU) plastic material, but the present invention is not limited to this.

[0064] In addition, in some embodiments, the outer diameter of the cable structure is 28.0±1.0 mm, but the present invention is not limited thereto.

[0065] In addition, if Figure 1 As shown in , in some embodiments, the plurality of positive transmission lines and the plurality of negative transmission lines use the same number and size of cables, such as each of which includes 4 16mm 2 Cables, but the specific number and size of the multiple positive transmission lines and the multiple negative transmission lines of the new model can be set differently according to actual conditions, and are not limited to this.

[0066] Therefore, in this embodiment, the cable structure adopts a multi-strand conductor method instead of the traditional single power conductor method, which has a larger current carrying capacity and uses less copper. The signal line is located in the center of the cable, and the power transmission line and the ground line are regularly distributed on the outside of the cable. The gaps between the power transmission line, the ground line, and the signal line are filled with polypropylene (PP) fillers. The structural design is ingenious and the layout rules are reasonable, so that the layout of the charging gun line is more optimized, more compact, and the wire diameter is smaller. At the same time, the power transmission line ensures current carrying, and the signal line meets the requirements for monitoring some real-time data during charging, and there is a path for transmitting the temperature detection signal to ensure that the charging process is safe and accurate. Compared with the existing cable structure, this embodiment improves the cable structure to make the outer diameter of the charging gun cable thinner, the weight of the same length lighter, the flexibility better, the overall performance better, and the service life longer.

[0067] In summary, the new charging gun cable structure includes multiple power transmission lines, at least one ground line, and multiple signal lines. It uses a multi-strand conductor method instead of a traditional single power conductor method, and has a larger current carrying capacity. In addition, the multiple power transmission lines are arranged along a circular track around the at least one ground line or the multiple signal lines. The structural design is ingenious and the layout rules are reasonable, making the layout of the charging gun line more optimized, more compact, and with a smaller wire diameter.

[0068] Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. A person skilled in the art in the technical field to which the present invention belongs may make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of the attached patent application.

Claims

1. A charging gun cable structure, characterized in that: include: A plurality of power transmission lines, including a plurality of positive transmission lines and a plurality of negative transmission lines; At least one ground wire, Multiple signal lines, The plurality of power transmission lines are arranged along a ring-shaped track surrounding the at least one ground line or the plurality of signal lines.

2. The charging gun cable structure according to claim 1, characterized in that: Some or all of the plurality of negative transmission lines are arranged along an inner annular trajectory surrounding the at least one ground line; The plurality of positive transmission lines and the plurality of signal lines are arranged along an outer annular track surrounding the at least one ground line.

3. The charging gun cable structure according to claim 2, characterized in that: The plurality of positive transmission lines and the plurality of signal lines are arranged alternately along the outer annular track.

4. The cable structure according to claim 1, characterized in that: The plurality of positive transmission lines and / or the plurality of negative transmission lines are arranged in a three-layer annular track around the at least one ground line.

5. The charging gun cable structure according to claim 4, characterized in that: The plurality of signal lines are arranged around the at least one ground line along the outermost and middle layers of the three-layer annular tracks.

6. The charging gun cable structure according to claim 1, characterized in that: The plurality of power transmission lines and the at least one ground line are arranged along at least one layer of annular tracks surrounding the plurality of signal lines.

7. The charging gun cable structure according to claim 1, characterized in that: The gaps between the plurality of power transmission lines, at least one ground line, and the plurality of signal lines are filled with polypropylene fillers.

8. The charging gun cable structure according to claim 1, characterized in that: The multiple power transmission lines use cables of the same size or cables of different sizes and types.

9. The charging gun cable structure according to claim 8, characterized in that: The plurality of positive transmission lines and the plurality of negative transmission lines each include four 16 mm 2 Cable, or the plurality of positive transmission lines, the plurality of negative transmission lines each comprise 7 10mm 2 Cable.

10. The charging gun cable structure according to claim 8, characterized in that: The plurality of positive transmission lines and the plurality of negative transmission lines each include 9 6mm 2 Cable, 1 4mm 2 Cable, 7 pcs 2mm 2 cable.

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