CN214476481U - Electric pile cable is filled to compliance - Google Patents
Electric pile cable is filled to compliance Download PDFInfo
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- CN214476481U CN214476481U CN202120466987.1U CN202120466987U CN214476481U CN 214476481 U CN214476481 U CN 214476481U CN 202120466987 U CN202120466987 U CN 202120466987U CN 214476481 U CN214476481 U CN 214476481U
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Abstract
The utility model provides a flexible charging pile cable, which comprises a signal transmission cable, a power cable and a signal control cable; the cable core packaging structure further comprises a cable core packaging assembly, a flame-retardant frame, a flame-retardant filling layer, a flame-retardant protective layer, a flexible stretching strip, a buffer layer, an armor layer, a plastic coil and an explosion-proof sleeve; the plastic coil is arranged outside the armor layer; the explosion-proof sleeve is sleeved on the plastic coil pipe, and the periphery of the explosion-proof sleeve is bonded with wear-resistant sleeves which are distributed annularly at equal intervals; the flexible stretching strips are multiple and are axially and dispersedly arranged in the limiting space and between the fire-resistant protective layer and the relaxation layer; the flame-retardant filling layer is arranged in the limit space and between the fire-resistant protection layer and the relaxation layer. The utility model discloses have good compliance, resistance to pressure, weatherability and corrosion resistance, life is longer, charges safelyr.
Description
Technical Field
The utility model belongs to the technical field of wire and cable, concretely relates to compliance fills electric pile cable.
Background
The times are developing, the living standard of people is improving, and more vehicles are used for people to go out. At present, the most common vehicle used for people's trip is an automobile. Along with the common application of automobiles, the damage to the environment is more and more increased, so that the requirements on used tools are higher and higher, a large amount of tail gas can be discharged in the using process of the traditional fuel oil automobile, the environmental pollution is caused, and the shortage of non-renewable resources petroleum is also aggravated. Therefore, the application of the new energy type automobile is a product which is developed in the using times and is required by the market, and the level of parts required by the corresponding automobile is also improved along with the improvement. In the aspect of new energy automobile development, the research and development level and the independent innovation capability of China are far different from the world, and particularly, the development of the new energy automobile industry of China is influenced due to the new energy cable for large-current charging. Therefore, as a cable for a new energy automobile, as an important part of an automobile system, the research and development work of the cable is very important.
The charging pile cable is provided with a power line and a control line, and is exposed to the outdoor environment for a long time, so that the charging pile cable is large in current load and easy to corrode by factors such as automobile rolling, sunlight irradiation, air oxidation, a wet water environment, acid-base compounds and the like, and the electric vehicle is frequently dragged, so that a wire core conductor is easy to break due to fatigue; in addition, because the charging pile cable can be bent in long-term use, the general cable is poor in bending resistance and long in time, the sheath and other layers can be cracked, the wire core is exposed outside, and safety is realized during charging.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a stake cable is filled to compliance has good compliance, resistance to pressure, weatherability and corrosion resistance, and life is longer, charges safelyr.
The utility model provides a flexible charging pile cable, which comprises a signal transmission cable for transmitting charging pile signals, a power cable for transmitting charging pile electric energy and a signal control cable for controlling charging pile charging signals; the cable core packaging structure further comprises a cable core packaging assembly, a flame-retardant frame, a flame-retardant filling layer, a flame-retardant protective layer, a flexible stretching strip, a buffer layer, an armor layer, a plastic coil and an explosion-proof sleeve;
the signal transmission cable, the power cable and the signal control cable are all arranged in the cable core wrapping assembly;
the cable core wrapping assembly sequentially comprises an inner shielding layer, an insulating layer, an outer shielding layer and a copper strip from inside to outside;
the flame-retardant frame comprises a cylindrical framework main body;
a plurality of framework support plates protruding outwards are uniformly distributed on the outer peripheral surface of the framework main body, and a V-shaped limiting space is formed between every two adjacent framework support plates;
the wrapping assembly is arranged in the limiting space;
the fireproof protective layer is arranged outside the flame-retardant frame, and the inner side wall of the fireproof protective layer is in contact with one end, far away from the framework main body, of the framework support plate;
the relaxation layer is arranged outside the fire-resistant protective layer;
the armor layer is arranged outside the relaxation layer;
the plastic coil is arranged outside the armor layer;
the explosion-proof sleeve is sleeved on the plastic coil pipe, and the periphery of the explosion-proof sleeve is bonded with wear-resistant sleeves which are distributed annularly at equal intervals;
the flexible stretching strips are multiple and are axially and dispersedly arranged in the limiting space and between the fire-resistant protective layer and the relaxation layer;
the flame-retardant filling layer is arranged in the limit space and between the fire-resistant protection layer and the relaxation layer.
In the above technical solution, the utility model discloses can also do following improvement.
The preferable technical scheme is characterized in that: the explosion-proof sleeve comprises sleeve bodies which are of arc-shaped structures, the two sleeve bodies sleeve the plastic coil, and the two sleeve bodies are connected together.
The preferable technical scheme is characterized in that: one the cover body is provided with a plurality of through holes on the periphery, and the other cover body is provided with bulges corresponding to the through holes on the periphery, and the bulges can be embedded into the through holes.
The preferable technical scheme is characterized in that: the inner side of the sleeve body is provided with a plurality of ribs at intervals, and the ribs can be embedded into grooves on the outer side wall of the plastic coil pipe.
The preferable technical scheme is characterized in that: one end of the convex edge, which is far away from the sleeve body, is in a taper shape, and the arc of the farthest end is excessive.
The preferable technical scheme is characterized in that: the fire-resistant protective layer is made of ceramic silicon rubber.
The preferable technical scheme is characterized in that: the flexible stretching strip is made of resin or rubber, and the cross section of the flexible stretching strip is circular or oval.
The preferable technical scheme is characterized in that: the moderation layer is formed by compounding a mica tape and a glass cloth tape.
The preferable technical scheme is characterized in that: the explosion-proof sleeve is made of aluminum alloy.
The preferable technical scheme is characterized in that: the flame-retardant filling layer adopts a flame-retardant high-temperature filling rope, and the oxygen index of the flame-retardant high-temperature filling rope is not less than 40%.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up cable core, fire-retardant filling layer, fire-resistant protective layer, stretch the brace, mitigate layer, armor, explosion-proof cover and explosion-proof cover, obtain further promotion with the fire-resistant explosion-proof grade, mechanical properties and the environmental resistance of cable core, dual explosion-proof design can the furthest avoid the cable core cable to take place to burst, and the flexibility is stretched the setting of brace and is used for improving the inside tensile properties of cable. The utility model discloses have more excellent performance in aspects such as explosion-proof, corrosion-resistant, have good compliance simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a flexible charging pile cable according to an embodiment of the present invention.
Figure 2 is the utility model discloses power cable and cable core parcel subassembly's combination schematic diagram.
Fig. 3 is a schematic structural view of a glove body according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of another glove body according to an embodiment of the present invention.
Fig. 5 is a schematic view of the explosion-proof cover and the plastic coil according to the embodiment of the present invention.
Fig. 6 is a schematic view of a flexible charging pile cable according to an embodiment of the present invention.
In the figure, the respective symbols have the following meanings:
1. a signal transmission cable; 2. a power cable; 3. a signal control cable; 4. the cable core wraps the assembly; 5. a flame retardant frame; 6. a flame retardant filler layer; 7. a refractory protective layer; 8. a flexible stretch-stay; 9. a buffer layer; 10. an armor layer; 11. a plastic coil; 12. an explosion-proof sleeve; 13. an inner shield layer; 14. an insulating layer; 15. an outer shield layer; 16. copper strips; 17. a skeleton body; 18. a framework support plate; 19. a sleeve body; 20. a through hole; 21. a protrusion; 22. a rib; 23. a wear-resistant sleeve.
Detailed Description
To further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail as follows:
referring to fig. 1 to 6, the present embodiment provides a flexible charging pile cable, which includes a signal transmission cable 1 for transmitting a charging pile signal, a power cable 2 for transmitting charging pile power, and a signal control cable 3 for controlling a charging pile charging signal; the cable core packaging structure further comprises a cable core packaging component 4, a flame-retardant frame 5, a flame-retardant filling layer 6, a flame-retardant protective layer 7, a flexible stretching strip 8, a relaxation layer 9, an armor layer 10, a plastic coil 11 and an explosion-proof sleeve 12;
the signal transmission cable 1, the power cable 2 and the signal control cable 3 are all arranged in the cable core wrapping component 4;
the cable core wrapping component 4 sequentially comprises an inner shielding layer 13, an insulating layer 14, an outer shielding layer 15 and a copper strip 16 from inside to outside;
the flame-retardant frame 5 comprises a cylindrical framework main body 17;
3 framework support plates 18 protruding outwards are uniformly distributed on the outer peripheral surface of the framework main body 17, and a V-shaped mounting area is formed between every two adjacent framework support plates 18;
the wrapping assembly 4 is disposed within the installation area;
the fire-resistant protective layer 7 is arranged outside the flame-retardant frame 5, and the inner side wall of the fire-resistant protective layer 7 is in contact with one end of the framework support plate 18, which is far away from the framework main body 17;
the relaxation layer 9 is arranged outside the refractory protection layer 7;
the armor layer 10 is arranged outside the relaxation layer 11;
the plastic coil 11 is arranged outside the armor layer 10;
the explosion-proof sleeve 12 is sleeved on the plastic coil pipe 11, and the periphery of the explosion-proof sleeve 12 is bonded with wear-resistant sleeves 23 which are distributed annularly at equal intervals;
the flexible stretching strips 8 are multiple and are axially and dispersedly arranged in the mounting area and between the fire-resistant protective layer 7 and the relaxation layer 9;
the flame-retardant filling layer 6 is provided in the mounting region and between the flame-retardant protective layer 7 and the relaxation layer 9.
In the embodiment, a cable core wrapping component 4, a flame-retardant frame 5, a flame-retardant filling layer 6, a flame-retardant protective layer 7, a flexible stretching strip 8, a buffer layer 9, an armor layer 10, a plastic coil 11 and an explosion-proof sleeve 12 are arranged; make the fire-resistant explosion-proof grade of cable, mechanical properties and environmental resistance obtain further promotion, cut apart the inside a plurality of installation areas that form of cable through fire-retardant frame 5, when the cable in an installation area takes place the burning, because the existence of fire-retardant frame 5, can avoid next door cable in the installation area to suffer damage, stretch the brace 8 through the flexibility of installing additional, can improve the inside stretchability and the flexibility of cable, in addition, the design of plastics coiler 11 also can improve the flexibility of cable, through sleeving explosion-proof cover 12 on the cable, can avoid the cable to take place to burst.
The inner shielding layer 13 and the outer shielding layer 15 in this embodiment are both semiconductor shielding layers made of polyolefin and carbon black conductive composite materials; the insulating layer 14 is made of polyvinyl chloride.
Referring to fig. 1, fig. 3, fig. 4 and fig. 6, the explosion-proof sleeve 12 includes a sleeve body 19, the sleeve body 19 is in an arc-shaped structure, two sleeve bodies 19 are sleeved on the plastic coil 11, and the two sleeve bodies 19 are connected together.
The explosion-proof sleeve 12 is formed by connecting two sleeve bodies 19, and the explosion-proof sleeve 12 can further prevent the cable from bursting.
Referring to fig. 1, 3, 4 and 6, a plurality of through holes 20 are formed on the periphery of one sleeve body 19, and a protrusion 21 corresponding to the through holes 20 is formed on the periphery of the other sleeve body 19, and the protrusion 21 can be inserted into the through holes 20.
By embedding the protrusion 21 into the through hole 20, the two sleeves 19 are connected more stably, and the installation of the explosion-proof sleeve 12 is also more convenient.
Referring to fig. 1, 3, 4 and 5, a plurality of ribs 22 are spaced on the inner side of the sheath 19, and the ribs 22 can be inserted into the grooves on the outer side wall of the plastic coil 11.
When the explosion-proof sleeve 12 is sleeved on the plastic coil 11, the convex ribs 22 are directly contacted with the grooves to play a role in anti-skid compression.
Referring to fig. 3, 4 and 5, the end of the rib 22 away from the sheath 19 is tapered and the farthest end is curved.
The rib 22 and the groove are designed to be matched more closely, and meanwhile, one end of the rib 22 is made into an arc shape to be excessive, so that the cable can be prevented from directly puncturing the plastic coil 11 when being pressed by external pressure.
Referring to fig. 1, the refractory protective layer 7 is made of ceramic silicone rubber.
The ceramic silicon rubber material has the basic characteristic of good elasticity of silicon rubber at normal temperature, has the advantages of no toxicity, no odor, high and low temperature resistance, ozone aging resistance, weather aging resistance and excellent electrical insulation performance, also has the good processing performance of common high-temperature silicon rubber, and can keep the state of a flexible cable at about minus 40 ℃ to minus 200 ℃. In flame invasion and attack, when the temperature reached more than 300 degrees, can be by the hard sponge ceramic body of original soft state conversion, the inside cavity that produces of fire protection layer after the sclerosis, be favorable to keeping warm, the sponge ceramic body has apparent fire-resistant and the effect of separation high temperature like this to the inner structure of effectual protection cable does not take place mechanical change and electrical property change, and in addition, the sponge ceramic body can play preliminary explosion-proof effect after the sclerosis.
Referring to fig. 1, the flexible stretching strip 8 is made of resin or rubber, and the cross section of the flexible stretching strip 8 is circular or elliptical.
By axially arranging the flexible tension strips 8 in the cable, the stretchability and flexibility inside the cable can be improved.
Referring to fig. 1, the buffer layer 9 is formed by compounding a mica tape and a glass cloth tape.
The mica tape and the glass cloth tape are both environment-friendly materials and are not easy to burn.
Referring to fig. 1, the explosion-proof case 12 is made of aluminum alloy.
The explosion-proof sleeve 12 can play an explosion-proof role, and the cable is prevented from bursting.
Referring to fig. 1, the flame-retardant filling layer 6 is made of a flame-retardant high-temperature filling rope, and the oxygen index of the flame-retardant high-temperature filling rope is not less than 40%.
The flame-retardant high-temperature filling rope has good flame retardance and plays a role in further flame retardance.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A flexible charging pile cable comprises a signal transmission cable for transmitting a charging pile signal, a power cable for transmitting the electric energy of the charging pile and a signal control cable for controlling the charging signal of the charging pile; the method is characterized in that: the cable core packaging structure further comprises a cable core packaging assembly, a flame-retardant frame, a flame-retardant filling layer, a flame-retardant protective layer, a flexible stretching strip, a buffer layer, an armor layer, a plastic coil and an explosion-proof sleeve;
the signal transmission cable, the power cable and the signal control cable are all arranged in the cable core wrapping assembly;
the cable core wrapping assembly sequentially comprises an inner shielding layer, an insulating layer, an outer shielding layer and a copper strip from inside to outside;
the flame-retardant frame comprises a cylindrical framework main body;
a plurality of framework support plates protruding outwards are uniformly distributed on the outer peripheral surface of the framework main body, and a V-shaped limiting space is formed between every two adjacent framework support plates;
the wrapping assembly is arranged in the limiting space;
the fireproof protective layer is arranged outside the flame-retardant frame, and the inner side wall of the fireproof protective layer is in contact with one end, far away from the framework main body, of the framework support plate;
the relaxation layer is arranged outside the fire-resistant protective layer;
the armor layer is arranged outside the relaxation layer;
the plastic coil is arranged outside the armor layer;
the explosion-proof sleeve is sleeved on the plastic coil pipe, and the periphery of the explosion-proof sleeve is bonded with wear-resistant sleeves which are distributed annularly at equal intervals;
the flexible stretching strips are multiple and are axially and dispersedly arranged in the limiting space and between the fire-resistant protective layer and the relaxation layer;
the flame-retardant filling layer is arranged in the limit space and between the fire-resistant protection layer and the relaxation layer.
2. A flexible charging pile cable according to claim 1, wherein: the explosion-proof sleeve comprises sleeve bodies which are of arc-shaped structures, the two sleeve bodies sleeve the plastic coil, and the two sleeve bodies are connected together.
3. A flexible charging pile cable according to claim 2, wherein: one the cover body is provided with a plurality of through holes on the periphery, and the other cover body is provided with bulges corresponding to the through holes on the periphery, and the bulges can be embedded into the through holes.
4. A flexible charging pile cable according to claim 3, wherein: the inner side of the sleeve body is provided with a plurality of ribs at intervals, and the ribs can be embedded into grooves on the outer side wall of the plastic coil pipe.
5. A flexible charging post cable according to claim 4, wherein: one end of the convex edge, which is far away from the sleeve body, is in a taper shape, and the arc of the farthest end is excessive.
6. A flexible charging pile cable according to claim 1, wherein: the fire-resistant protective layer is made of ceramic silicon rubber.
7. A flexible charging pile cable according to claim 1, wherein: the flexible stretching strip is made of resin or rubber, and the cross section of the flexible stretching strip is circular or oval.
8. A flexible charging pile cable according to claim 1, wherein: the moderation layer is formed by compounding a mica tape and a glass cloth tape.
9. A flexible charging pile cable according to claim 1, wherein: the explosion-proof sleeve is made of aluminum alloy.
10. A flexible charging pile cable according to claim 1, wherein: the flame-retardant filling layer adopts a flame-retardant high-temperature filling rope, and the oxygen index of the flame-retardant high-temperature filling rope is not less than 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120466987.1U CN214476481U (en) | 2021-03-04 | 2021-03-04 | Electric pile cable is filled to compliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120466987.1U CN214476481U (en) | 2021-03-04 | 2021-03-04 | Electric pile cable is filled to compliance |
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| Publication Number | Publication Date |
|---|---|
| CN214476481U true CN214476481U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120466987.1U Active CN214476481U (en) | 2021-03-04 | 2021-03-04 | Electric pile cable is filled to compliance |
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| CN (1) | CN214476481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566321A (en) * | 2022-01-25 | 2022-05-31 | 迈特诺（马鞍山）特种电缆有限公司 | Multifunctional fire-resistant MVB communication bus cable for rolling stock |
-
2021
- 2021-03-04 CN CN202120466987.1U patent/CN214476481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566321A (en) * | 2022-01-25 | 2022-05-31 | 迈特诺（马鞍山）特种电缆有限公司 | Multifunctional fire-resistant MVB communication bus cable for rolling stock |
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