CN221125592U - Outdoor weather-proof waterproof anti-dragging charging pile cable - Google Patents
Outdoor weather-proof waterproof anti-dragging charging pile cable Download PDFInfo
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- CN221125592U CN221125592U CN202322653198.0U CN202322653198U CN221125592U CN 221125592 U CN221125592 U CN 221125592U CN 202322653198 U CN202322653198 U CN 202322653198U CN 221125592 U CN221125592 U CN 221125592U
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Abstract
The utility model discloses an outdoor weather-proof waterproof anti-dragging charging pile cable which comprises a cable core, a waterproof layer and an outer protective layer which are sequentially arranged from inside to outside, wherein the cable core is formed by twisting a plurality of power wire cores, a power wire core and a signal control wire core, filler is arranged in a wire core gap, the power wire core is formed by twisting a plurality of auxiliary power wire cores, the signal control wire core is respectively formed by twisting a plurality of signal wire cores and a plurality of control wire cores, shielding layers are coated outside the plurality of signal wire cores and the plurality of control wire cores, the power wire cores, the auxiliary power wire cores, the signal wire cores and the control wire cores are all formed by conductors and insulating layers coated outside the conductors, the cable conductor adopts tin-plated thin soft steel wires as a central tensile member, the insulating layers are coated outside the conductors, the shielding layers are coated outside the control wire cores and the signal wire cores, the waterproof layer and the outer protective layer are sequentially coated outside the cable core, and the reliability of the charging pile cable is greatly improved.
Description
Technical Field
The utility model relates to the technical field of charging equipment, in particular to an outdoor weather-proof waterproof anti-dragging charging pile cable.
Background
The charging cable is generally used in areas such as charging stations, parking lots, hotels, communities, garages and the like, and the portable charging cable can be placed in a vehicle and used for connecting an electric vehicle charging device with a charging infrastructure, so that electric power transmission is carried out on an electric vehicle, and a certain number of signal lines, control lines, power auxiliary lines and the like are arranged to ensure that the whole charging process is accurately controlled and safe and error-free in operation.
Fill electric pile technique high-speed development, put forward more higher requirement to filling electric pile cable, the main problem that fills electric pile cable existence at present:
(1) The tensile and anti-dragging properties of the cable conductor are not high, the conductor is easy to break after long-time moving and bending use, so that the charging pile cannot be used, and the whole cable conductor is high in replacement cost;
(2) The outer sheath is wear-resistant and low in ageing resistance, and the cable is subjected to wind blowing and sun-drying outdoors, so that the material is embrittled, aged and discolored;
(3) Poor shielding, signal lines/control lines being interfered by power line electromagnetic fields, operation control signals being invalid or disturbed;
(4) The combination of the insulating material and the sheath material is single, the selectivity is less, and the application range is narrow.
Therefore, the existing charging pile cable has the technical problem of low reliability, and therefore, the problem to be solved in the field is to provide the charging pile cable with high reliability.
Disclosure of utility model
Aiming at the technical problem that the reliability of the existing charging pile cable is low, the utility model aims to provide an outdoor weather-proof waterproof anti-dragging charging pile cable, which adopts a tinned thin and soft steel wire as a central tensile member, is coated with an insulating layer outside the conductor, and is coated with a shielding layer outside a control wire and a signal wire so as to improve the shielding performance and prevent the influence of external strong electromagnetic interference, and is coated with a waterproof layer and an outer protective layer outside a cable core in sequence, so that the reliability of the charging pile cable is greatly improved.
In order to achieve the above purpose, the outdoor weather-proof waterproof anti-dragging charging pile cable provided by the utility model comprises a cable core, a waterproof layer and an outer protective layer which are sequentially arranged from inside to outside, wherein the cable core is formed by twisting a plurality of power wire cores, a power wire core and a signal control wire core, filler is arranged in a wire core gap, the power wire core is formed by twisting a plurality of auxiliary power wire cores, the signal control wire core is respectively formed by twisting a plurality of signal wire cores and a plurality of control wire cores, shielding layers are coated outside the plurality of signal wire cores and the plurality of control wire cores,
The power wire core, the auxiliary power wire core, the signal wire core and the control wire core are all composed of conductors and insulating layers coated outside the conductors.
Further, the conductor is formed by stranded multiple tin-plated thin steel wires and tin-plated soft copper wires.
Further, the insulating layer is a silane crosslinked ethylene propylene rubber layer.
Further, the shielding layer is a composite layer formed by braiding metal wires and wrapping metal strips.
Further, the waterproof layer is a heat-shrinkable high-density polyethylene film layer.
Further, the outer protective layer is a chlorosulfonated polyethylene rubber layer.
The outdoor weather-proof waterproof anti-dragging charging pile cable provided by the utility model ensures accurate control and safe and reliable operation of the whole charging process by being provided with a certain number of signal wires, control wires, power auxiliary wires and the like. The cable conductor adopts the tinned thin soft steel wire as the central tensile member, and is externally coated with the insulating layer, and the control wire and the signal wire are externally coated with the shielding layer, so that the shielding performance is improved, the influence of external strong electromagnetic interference on the cable conductor is prevented, and the cable core is externally coated with the waterproof layer and the outer protective layer in sequence, so that the reliability of the charging pile cable is greatly improved.
Compared with the prior art, the outdoor weather-proof waterproof anti-dragging charging pile cable provided by the utility model has the following beneficial effects:
1. The whole cable is designed to be soft and tensile, so that conductor insulation is not damaged when the cable is bent at a small radius, the rebound resilience and the tensile property of the cable are good, and the service life of the cable is prolonged;
2. The physical mechanical property and the water resistance are excellent, and the waterproof layer has outstanding water resistance; the outer protective layer has solvent resistance, high tensile strength and good wear resistance;
3. The cable structure design, the process manufacturing and the material application are applicable to various occasions, in particular outdoor use, and the cable is ageing-resistant, sunlight-resistant, solvent-resistant and the like.
Drawings
The utility model is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of an outdoor weather-proof, waterproof and anti-dragging charging pile cable in embodiment 1 of the present utility model;
Fig. 2 is a schematic structural diagram of an outdoor weather-proof, waterproof and anti-drag charging pile cable in embodiment 2 of the present utility model.
Illustration of:
Cable core 100, insulating layer 200, waterproof layer 300, outer sheath 400, shielding layer 500, reinforcing core 600;
A power wire core 110, a power wire core 120, a signal control wire core 130, a filler 140, a steel wire 610, a TPU layer 620;
Conductor 111, auxiliary power core 121, signal core 131, control core 132.
Detailed Description
The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.
The utility model provides an outdoor weather-proof waterproof anti-dragging charging pile cable, which ensures that the whole charging process is controlled accurately and is safe and reliable by providing a certain number of signal wires, control wires, power auxiliary wires and the like, adopts a tinned fine soft steel wire as a central tensile member, improves the shielding performance by coating an insulating layer outside a conductor and coating shielding layers outside the control wires and the signal wires so as to prevent the influence of external strong electromagnetic interference, and can greatly improve the reliability of the charging pile cable by coating a waterproof layer and an outer protective layer outside a cable core in sequence.
Example 1:
Referring to fig. 1, a schematic structural diagram of an outdoor weather-proof, waterproof and anti-dragging charging pile cable is shown.
According to the drawings, the outdoor weather-proof waterproof anti-dragging charging pile cable provided by the utility model comprises four components of a cable core 100, an insulating layer 200, a waterproof layer 300 and an outer protective layer 400.
The cable core 100, the waterproof layer 300 and the outer protective layer 400 are sequentially arranged from inside to outside, the cable core 100 is formed by twisting a plurality of power wire cores 110, a power wire core 120 and a signal control wire core 130 respectively, filler 140 is arranged in a wire core gap, the power wire core 120 is formed by twisting a plurality of auxiliary power wire cores 121, and the signal control wire core 130 is formed by twisting a plurality of signal wire cores 131 and a plurality of control wire cores 132 respectively and is coated with a shielding layer 500 respectively.
The power wire core 110, the auxiliary power wire core 121, the signal wire core 131 and the control wire core 132 are all composed of a conductor 111 and an insulating layer 200 coated outside the conductor.
Further, the cable core 100 is formed by twisting a plurality of power wire cores 110, a power wire core 120 and a signal control wire core 130.
The power cores 110 are arranged in the middle of the whole cable core 100 in a surrounding mode, the control cores 120 and the signal control cores 130 are distributed around the power cores 110 at equal intervals respectively, and therefore the structure is compact, and the reliability is high.
In order to further improve the performance and flatness of the cable core 100, a filler 140 is provided between the plurality of wire cores.
The structure of the filler 140 is not limited herein, and may be determined according to practical needs.
The number of the power wire cores 110, the power wire cores 120 and the signal control wire cores 130 is not limited in this way, and can be determined according to practical requirements.
By way of example, the present solution preferably employs three sets of power cores 110 and two sets of power cores 120 and a set of signal control cores 130.
The three groups of power wire cores 110 are sequentially in abutting fit along the circumferential direction, and corresponding cable setting areas are formed on the outer sides of two groups of adjacent power wire cores 110 and are used for setting the power wire cores 120 and the signal control wire cores 130.
The signal control core 130 includes a plurality of signal wire cores 131 and a plurality of control wire cores 132, and the plurality of signal wire cores 131 and the plurality of control wire cores 132 are respectively twisted and respectively coated with the shielding layer 500. To prevent the power core 110 from causing magnetic field interference to the signal core 131 and the control core 132.
The number of the control cores 132 is not limited to the number of the signal cores 131, and may be determined according to practical requirements.
By way of example, the present solution preferably employs two signal cores 131 and two control cores 132.
The power wire core 120 is formed by twisting a plurality of auxiliary power wire cores 121, and the scheme is preferably formed by twisting two auxiliary power wire cores 121.
The number of the auxiliary power supply cores 121 is not limited, and may be determined according to practical requirements.
The two auxiliary power wire cores 121, the two signal wire cores 131 and the two control wire cores 132 are respectively twisted and formed, and the twisted pitch is preferably 6-8 times of the outer diameter of the cable core 100, so as to ensure the information transmission capacity and the transmission rate, and ensure better flexibility and extensibility.
Further, the power core 110, the auxiliary power core 121, the signal core 131 and the control core 132 are all composed of a conductor 111 and an insulating layer 200 coated outside the conductor 111.
The conductor 111 is formed by twisting a plurality of tinned thin steel wires and a plurality of tinned soft copper wires, the steel wire has high strength, light dead weight, good elasticity and difficult whole breakage, and the tinning can increase oxidation resistance and corrosion resistance. Although the conductivity of the steel wire is inferior to copper, the conductivity of the steel wire is greatly improved by hot plating a thin tin layer on the surface and stranded contact, and the whole tensile strength and impact toughness of the conductor are enhanced due to the fact that one steel wire is added in the center.
Further, the insulating layer 200 is a silane crosslinked ethylene propylene rubber layer, and the insulating layer 200 can be directly extruded and processed by a plastic extruder without rubber processing equipment, so that the equipment requirement is simple and the universality is strong; the strength and the electrical property are the same as those of the crosslinked polyethylene XLPE and are far higher than those of common rubber; high tear resistance, long service life, good softness and rubber property; the water is crosslinked by warm water, the self-crosslinking is carried out at normal temperature, and the crosslinking mode is simple; the vulcanization is avoided, and the specific gravity is light.
The power wire core 110, the power wire core 120 and the signal control wire core 130 with the structure are stranded to form the cable core 100, the stranding pitch is 8-10 times of the outer diameter of the cable core, and the specific structure of the scheme is not limited by the specific structure by way of illustration, the scheme adopts back twist and same pitch gear stranding, stepless speed regulation is not needed, the pitch stability is ensured, and the cable is stranded after the same paying-off tension is detected by a tensiometer, so that the length and the tension of each core wire are uniform.
The shielding layers 500 are respectively coated outside the wire cores formed by the plurality of signal wire cores 131 and the plurality of control wire cores 132 in a twisted pair mode, so that electromagnetic field interference of the power wire cores 110 is reduced, invalid or disordered operation control is avoided, and the reliability of the cable core 100 is greatly improved.
The shielding layer 500 is a metal wire braided metal strip wrapped composite layer, and as an example, the specific constitution of the scheme is not limited, after a layer of polyester strip is wrapped, copper wires are adopted for braiding shielding, and a layer of copper-plastic composite strip is added, so that on one hand, the contact resistance between the copper wires and the copper strip shielding is reduced, on the other hand, the copper-plastic composite strip has better strength than the traditional aluminum-plastic composite strip, and can prevent signal leakage caused by holes, and ensure the high-frequency signal shielding performance. The copper wire braided shield can shield low-frequency signals, the copper-plastic composite belt shield can seal and shield various high-frequency signals, interference of external signals is effectively prevented, and effective transmission of control instructions is guaranteed.
Firstly, braiding by using fine copper wires which are well doubled, longitudinally wrapping a layer of polyester tape isolation shielding under a braiding layer, synchronously implementing braiding machines, and ensuring that the braiding density is not less than 80%; and wrapping a copper-plastic composite belt with the thickness of 0.05mm after the copper-plastic composite belt is finished, wherein the copper surface is inwards contacted with the braided copper wires, the plastic layer is outwards capable of preventing the outer sheath from corroding the copper belt, the shielding performance is influenced, and the single-layer overlapping wrapping of the copper-plastic composite belt is realized, and the lap rate is not less than 15%.
The thus constructed core 100 is coated with the waterproof layer 300 to improve insulation and waterproof properties of the cable.
The waterproof layer 300 is a heat-shrinkable high-density polyethylene film layer wrapped around the twisted cable core 100.
As an example, the specific structure of the present embodiment is not limited, the covering rate of the waterproof layer 300 is not less than 15%, the heat gun fixing blowing device is added behind the wrapping head, the temperature is set to 350-550 ℃ (according to the linear speed) to ensure the adhesion of the overlapped part, and the high-density polyethylene film is tightly covered and fixed after heat shrinkage. Compared with low-density polyethylene and medium-density polyethylene, the high-density polyethylene has the advantages that the mechanical property and the barrier property are correspondingly improved along with the increase of the density, the heat resistance is good, and the polyethylene is insoluble in water, so that the waterproof performance is excellent after the polyethylene is processed, molded and adhered. Has the advantages of high moisture resistance, good heat sealing performance, good water resistance and the like.
The outer sheath 400 is coated on the outside of the waterproof layer 300, so that the entire cable can be protected.
The outer protective layer 400 is a chlorosulfonated polyethylene rubber layer, and after extrusion molding, the rebound resilience and wear resistance of the cable are improved, and meanwhile, the cable has better sunlight resistance, aging resistance, heat resistance, cold resistance and electrical insulation property.
By way of example, the examples herein are illustrative only and are not limiting to the specific configuration of the present embodiment, and the outer sheath 400 is produced using a rubber device, extrusion. The waterproof layer 300 has a small amount of gaps between the cable core after heat shrinkage, but the polyethylene film of the outer protective layer 400 has certain extensibility, the extrusion pressure is properly increased, the gaps can be filled up, the cable core is vulcanized by the pressure of 1.2Mpa, and the cable core is cooled and shaped to form an outermost outer sheath, so that the protection effect of the whole cable is particularly important.
Example 2:
In this embodiment, on the basis of embodiment 1, a plurality of reinforcing cores 600 are added to the cable, and the other structures are the same, so that detailed description thereof will be omitted.
Referring to fig. 2, in this embodiment, according to different practical use situations, between three sets of power cores 110, a reinforcing core 600 is disposed between two sets of power cores 120 and the power cores 110, and between the signal control core 130 and the power cores 110, respectively, and the strength of the whole cable can be improved through the arrangement of the reinforcing core 600.
The reinforcing core 600 is composed of a steel wire 610 and a TPU layer 620 coated outside the steel wire 610, and both the steel wire 610 and the TPU layer 620 have the characteristics of good wear resistance, torsion resistance, tensile drag resistance, etc., and the reliability of the electric wire can be further improved through the reinforcing core 600.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The outdoor weather-proof waterproof anti-dragging charging pile cable is characterized by comprising a cable core, a waterproof layer and an outer protective layer which are sequentially arranged from inside to outside, wherein the cable core is formed by twisting a plurality of power wire cores, a power wire core and a signal control wire core, filler is arranged in a wire core gap, the power wire core is formed by twisting a plurality of auxiliary power wire cores, the signal control wire core is respectively formed by twisting a plurality of signal wire cores and a plurality of control wire cores, shielding layers are coated outside the plurality of signal wire cores and the plurality of control wire cores,
The power wire core, the auxiliary power wire core, the signal wire core and the control wire core are all composed of conductors and insulating layers coated outside the conductors.
2. The outdoor weather-resistant waterproof anti-drag charging pile cable according to claim 1, wherein the conductor is formed by stranded tin-plated steel wires and tin-plated soft copper wires.
3. The outdoor weatherable waterproof anti-drag charging pile cable according to claim 1, wherein the insulating layer is a silane crosslinked ethylene propylene rubber layer.
4. The outdoor weatherable waterproof anti-drag charging pile cable according to claim 1, wherein the shielding layer is a composite layer of wire braid and metal tape wrap.
5. The outdoor weather-resistant waterproof and anti-drag charging pile cable according to claim 1, wherein the waterproof layer is a heat-shrinkable high-density polyethylene film layer.
6. The outdoor weatherable waterproof anti-drag charging pile cable according to claim 1, wherein the outer jacket is a chlorosulfonated polyethylene rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653198.0U CN221125592U (en) | 2023-09-28 | 2023-09-28 | Outdoor weather-proof waterproof anti-dragging charging pile cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653198.0U CN221125592U (en) | 2023-09-28 | 2023-09-28 | Outdoor weather-proof waterproof anti-dragging charging pile cable |
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| Publication Number | Publication Date |
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| CN221125592U true CN221125592U (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322653198.0U Active CN221125592U (en) | 2023-09-28 | 2023-09-28 | Outdoor weather-proof waterproof anti-dragging charging pile cable |
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| Country | Link |
|---|---|
| CN (1) | CN221125592U (en) |
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- 2023-09-28 CN CN202322653198.0U patent/CN221125592U/en active Active
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