CN210925549U - Low temperature resistant stretch-proofing fills electric pile cable - Google Patents
Low temperature resistant stretch-proofing fills electric pile cable Download PDFInfo
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- CN210925549U CN210925549U CN201921729946.6U CN201921729946U CN210925549U CN 210925549 U CN210925549 U CN 210925549U CN 201921729946 U CN201921729946 U CN 201921729946U CN 210925549 U CN210925549 U CN 210925549U
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Abstract
The utility model discloses a fill electric pile technical field's a low temperature resistant stretch-proofing electric pile cable that fills, include: two DC power supply cables; two communication cables at the upper ends of the two DC power supply cables; the grounding protection cables are arranged at the lower ends of the two direct current power supply cables; the first tensile layer is wrapped on the outer walls of the two direct-current power supply cables, the two communication cables and the grounding protection cable, and is a spiral tensile layer; the heat insulation layer is wrapped on the outer wall of the first tensile layer; first oversheath, first oversheath parcel is in on the outer wall of heat preservation, the utility model discloses can adapt to the cold weather of high altitude, improve the application scope of cable to have stronger stretch-proofing nature, improved the life of cable.
Description
Technical Field
The utility model relates to a fill electric pile technical field, specifically be a low temperature resistant stretch-proofing fills electric pile cable.
Background
The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. Fill electric pile and generally provide two kinds of charging methods of conventional charging and quick charge, people can use specific charging card to swipe the card and use on the human-computer interaction operation interface that fills electric pile and provide, carry out operations such as corresponding charging method, charging time, expense data printing, fill electric pile display screen and can show data such as the charge volume, expense, charging time.
Cable (electric; powercable): usually, the cable is composed of several or several groups of wires, and the cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc. The novel energy vehicle charging pile comprises a single-stranded or multi-stranded wire and an insulating layer, and is used for connecting a circuit, an electric appliance and the like.
The existing charging pile cable is mostly a common cable, the tensile resistance is not strong, in the dragging process, the cable is easily damaged, the cable is caused to lose efficacy, the new energy automobile inevitably enters a plateau area of China along with the wide use of the new energy automobile, the altitude of the plateau area is high, the temperature of the plateau area is generally low, the existing charging pile cable does not have cold resistance, the service life of the cable is seriously influenced in the cold weather of the plateau area, and the maintenance cost of the charging pile is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a resistant low temperature stretch-proofing fills electric pile cable to solve the problem of the xxxxxxxxx that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a low temperature resistant stretch-proofing electric pile cable that fills includes:
two DC power supply cables;
two communication cables at the upper ends of the two DC power supply cables;
the grounding protection cables are arranged at the lower ends of the two direct current power supply cables;
the first tensile layer is wrapped on the outer walls of the two direct-current power supply cables, the two communication cables and the grounding protection cable, and is a spiral tensile layer;
the heat insulation layer is wrapped on the outer wall of the first tensile layer;
the first outer sheath wraps the outer wall of the heat insulation layer.
Preferably, both of the dc power supply cables include:
the cable comprises a plurality of first wire cores, a plurality of second wire cores and a plurality of first wire cores, wherein the first wire cores are twisted together through Kevlar wires;
the first inner sheath is coated on the outer walls of the first wire cores;
the second tensile layer is coated on the outer wall of the first inner sheath and is a spiral tensile layer;
a second outer jacket sleeved over an outer wall of the second tensile layer.
Preferably, the two communication cables each comprise:
a second wire core;
the second inner sheath is coated on the outer wall of the second wire core;
the shielding layer is coated on the outer wall of the second inner sheath;
the middle sheath is coated on the outer wall of the shielding layer;
the third tensile layer is coated on the outer wall of the middle sheath and is a spiral tensile layer;
and the third outer sheath is coated on the outer wall of the third tensile layer.
Preferably, the ground protection cable includes:
a third wire core;
the third inner sheath is coated on the outer wall of the third wire core;
the fourth tensile layer is coated on the outer wall of the third inner sheath and is a spiral tensile layer;
a fourth outer jacket covering an outer wall of the fourth tensile layer.
Preferably, the heat-insulating layer is a silicon rubber heat-insulating layer.
Preferably, the first outer sheath is a polyethylene outer sheath or a polyvinyl chloride outer sheath or a chloroprene rubber outer sheath.
Preferably, the spiral direction of the first tensile layer is opposite to the spiral direction of the second tensile layer.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can adapt to the cold weather at high altitude, improve the application range of the cable, has stronger stretch resistance and prolongs the service life of the cable, the first inner sheath, the second inner sheath and the third inner sheath are ethylene propylene rubber inner sheaths, have the characteristics of insulation, cold resistance and high temperature resistance, improve the cold resistance and high temperature resistance of the cable, ensure the use of the cable in the range of minus 50 ℃ to 150 ℃, and the cable is also provided with a heat preservation layer which is a silicon rubber heat preservation layer, the application range of the silicon rubber is between minus 60 ℃ and 200 ℃, ensure the cable to resist the cold weather of plateau areas, improve the application range of the charging pile cable, prolong the service life of the cable, the DC power supply cable, the communication cable and the ground protection cable are all provided with spiral tensile layers, and improve the stretch resistance and the bending protection capability of the cable through the spiral shape, DC power supply cable, the spiral direction on the spiral tensile layer in communication cable and the ground protection cable is unanimous, at DC power supply cable, communication cable and ground protection cable outside are provided with the spiral tensile layer equally, DC power supply cable, the spiral direction and the DC power supply cable of the outside spiral tensile layer of communication cable and ground protection cable, the spiral direction on the spiral tensile layer in communication cable and the ground protection cable is opposite, when pulling the cable, the spiral force is offset each other on two kinds of positive and negative spiral directions to the power way that pulls, the effectual tensile ability of having promoted the cable, the life of cable has been prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a first tensile layer of the present invention;
FIG. 3 is a schematic view of the DC power cable of the present invention;
fig. 4 is a schematic view of a second tensile layer of the present invention;
fig. 5 is a schematic view of the communication cable structure of the present invention;
fig. 6 is a schematic view of a third tensile layer of the present invention;
fig. 7 is a schematic structural view of the ground protection cable of the present invention;
fig. 8 is a schematic view of a fourth tensile layer according to the present invention.
In the figure: 100 direct current power supply cable, 110 first core, 120 first inner sheath, 130 second tensile layer, 140 second outer sheath, 200 communication cable, 210 second core, 220 second inner sheath, 230 shielding layer, 240 middle sheath, 250 third tensile layer, 260 third outer sheath, 300 ground protection cable, 310 third core, 320 third inner sheath, 330 fourth tensile layer, 340 fourth outer sheath, 400 first tensile layer, 500 heat preservation layer and 600 first outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a low temperature resistant stretch-proofing charging pile cable, can adapt to the cold weather at high altitude, improves the application scope of cable, and has stronger stretch-proofing nature, has improved the life of cable, please refer to fig. 1, direct current power supply cable 100, communication cable 200, ground protection cable 300, first tensile layer 400, heat preservation 500 and first oversheath 600;
referring to fig. 1, 3 and 4, two dc power cables 100 are symmetrically disposed, and each of the two dc power cables 100 includes:
the plurality of first wire cores 110 are twisted together through Kevlar wires, tensile resistance of the conductor and the cable is improved by means of high strength of Kevlar fibers, the conductor is not damaged, and the first wire cores 110 are made of zinc-plated copper;
the first inner sheath 120 is coated on the outer walls of the plurality of first wire cores 110, the first inner sheath 120 is an ethylene propylene rubber inner sheath, and has the characteristics of insulation, cold resistance and high temperature resistance, the cold resistance and high temperature resistance of the cable are improved, and the cable can be used within the range of-50 ℃ to 150 ℃;
the second tensile layer 130 is coated on the outer wall of the first inner sheath 120, the second tensile layer 130 is a spiral tensile layer, the second tensile layer 130 is spring steel, the spring steel is wound on the outer wall of the first inner sheath 120 in a spiral shape, the tensile resistance and the bending protection capability of the cable are improved through the spiral shape, and the service life of the cable is prolonged;
the second outer sheath 140 is sleeved on the outer wall of the second tensile layer 130;
referring to fig. 1, 5 and 6, two communication cables 200 are disposed at the upper ends of two dc power cables 100, the two communication cables 200 are symmetrically disposed, and each of the two communication cables 200 includes:
the second wire core 210 is galvanized copper;
the second inner sheath 220 is coated on the outer wall of the second cord 210, and the second inner sheath 220 is an ethylene propylene rubber inner sheath;
the shielding layer 230 is coated on the outer wall of the second inner sheath 220, the shielding layer 230 is wound around the second inner sheath 220 by using a shielding net woven by copper wires or aluminum wires, and the interference of a strong current magnetic field generated by the electrification of the direct current power supply cable 100 on the communication cable 200 is prevented;
the middle sheath 240 is wrapped on the outer wall of the shielding layer 230;
the third tensile layer 250 is coated on the outer wall of the middle sheath 240, the third tensile layer 250 is a spiral tensile layer, the third tensile layer 250 is spring steel, the spring steel is spirally wound on the outer wall of the middle sheath 240, the tensile resistance and the bending protection capability of the cable are improved through the spiral shape, and the spiral direction of the third tensile layer 250 is consistent with the spiral direction of the second tensile layer 130;
the third outer sheath 260 covers the outer wall of the third tensile layer 250;
referring to fig. 1, 7 and 8, a ground protection cable 300 is provided at the lower ends of two dc power cables 100, and the ground protection cable 300 includes:
the third wire core 310 is galvanized copper;
the third inner sheath 320 is coated on the outer wall of the third core 310, and the third inner sheath 320 is an ethylene propylene rubber inner sheath;
the fourth tensile layer 330 is coated on the outer wall of the third inner sheath 320, the fourth tensile layer 330 is a spiral tensile layer, the fourth tensile layer 330 is made of spring steel, the spring steel is wound on the outer wall of the third inner sheath 320 in a spiral shape, the tensile resistance and the bending protection capability of the cable are improved through the spiral shape, and the spiral direction of the fourth tensile layer 330 is consistent with the spiral direction of the second tensile layer 130;
the fourth outer sheath 340 is coated on the outer wall of the fourth tensile layer 330;
referring to fig. 1 and 2, a first tensile layer 400 is wrapped on outer walls of two dc power cables 100, two communication cables 200 and a ground protection cable 300, the first tensile layer 400 is made of spring steel, the spring steel is spirally wound on the outer walls of the dc power cables 100, the communication cables 200 and the ground protection cable 300, the tensile resistance and the bending protection capability of the cable are improved by the shape of a spiral, the spiral direction of the first tensile layer 400 is opposite to the spiral direction of the second tensile layer 130, when the cable is dragged, the dragged force is cancelled by the spiral forces in the two spiral directions, and the tensile resistance of the cable is effectively improved;
referring to fig. 1 again, the insulating layer 500 is wrapped on the outer wall of the first tensile layer 400, the insulating layer 500 is a silicon rubber insulating layer, and the application range of silicon rubber is-60 ℃ to 200 ℃, so that the cable can be protected against cold weather in a plateau area, the application range of the charging pile cable is improved, and the service life of the cable is prolonged;
referring to fig. 1 again, the first outer sheath 600 wraps the outer wall of the heat insulation layer 500, and the first outer sheath 600 is a polyethylene outer sheath, a polyvinyl chloride outer sheath, or a neoprene outer sheath.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a low temperature resistant tensile fills electric pile cable which characterized in that: the method comprises the following steps:
two direct current power supply cables (100);
two communication cables (200), two of the communication cables (200) being at upper ends of two of the direct current power supply cables (100);
a ground protection cable (300), the ground protection cable (300) being at the lower end of both of the DC power supply cables (100);
the first tensile layer (400), the first tensile layer (400) wraps the outer walls of the two direct-current power cables (100), the two communication cables (200) and the ground protection cable (300), and the first tensile layer (400) is a spiral tensile layer;
the heat insulation layer (500) wraps the outer wall of the first tensile layer (400);
a first outer sheath (600), wherein the first outer sheath (600) wraps the outer wall of the heat preservation layer (500).
2. The low-temperature-resistant and tensile-resistant charging pile cable according to claim 1, characterized in that: both of the DC power supply cables (100) include:
a plurality of first wire cores (110), the plurality of first wire cores (110) being twisted together by a Kevlar;
a first inner sheath (120), the first inner sheath (120) covering outer walls of the plurality of first wire cores (110);
a second tensile layer (130), wherein the second tensile layer (130) is coated on the outer wall of the first inner sheath (120), and the second tensile layer (130) is a spiral tensile layer;
a second outer jacket (140), the second outer jacket (140) being sleeved over an outer wall of the second tensile layer (130).
3. The low-temperature-resistant and tensile-resistant charging pile cable according to claim 1, characterized in that: the two communication cables (200) each comprise:
a second wire core (210);
a second inner sheath (220), the second inner sheath (220) being wrapped over an outer wall of the second wire core (210);
a shielding layer (230), wherein the shielding layer (230) is coated on the outer wall of the second inner sheath (220);
a middle sheath (240), the middle sheath (240) wrapping on the outer wall of the shielding layer (230);
the third tensile layer (250) is coated on the outer wall of the middle sheath (240), and the third tensile layer (250) is a spiral tensile layer;
a third outer jacket (260), the third outer jacket (260) coating an outer wall of the third tensile layer (250).
4. The low-temperature-resistant and tensile-resistant charging pile cable according to claim 1, characterized in that: the ground protection cable (300) comprises:
a third wire core (310);
a third inner sheath (320), the third inner sheath (320) covering an outer wall of the third wire core (310);
a fourth tensile layer (330), wherein the fourth tensile layer (330) is coated on the outer wall of the third inner sheath (320), and the fourth tensile layer (330) is a spiral tensile layer;
a fourth outer sheath (340), wherein the fourth outer sheath (340) is coated on the outer wall of the fourth tensile layer (330).
5. The low-temperature-resistant and tensile-resistant charging pile cable according to claim 1, characterized in that: the heat-insulating layer (500) is a silicon rubber heat-insulating layer.
6. The low-temperature-resistant and tensile-resistant charging pile cable according to claim 1, characterized in that: the first outer sheath (600) is a polyethylene outer sheath or a polyvinyl chloride outer sheath or a chloroprene rubber outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729946.6U CN210925549U (en) | 2019-10-15 | 2019-10-15 | Low temperature resistant stretch-proofing fills electric pile cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729946.6U CN210925549U (en) | 2019-10-15 | 2019-10-15 | Low temperature resistant stretch-proofing fills electric pile cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210925549U true CN210925549U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921729946.6U Active CN210925549U (en) | 2019-10-15 | 2019-10-15 | Low temperature resistant stretch-proofing fills electric pile cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210925549U (en) |
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- 2019-10-15 CN CN201921729946.6U patent/CN210925549U/en active Active
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