CN117954154B - Multi-core torsion-resistant charging cable - Google Patents
Multi-core torsion-resistant charging cable Download PDFInfo
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- CN117954154B CN117954154B CN202410338887.9A CN202410338887A CN117954154B CN 117954154 B CN117954154 B CN 117954154B CN 202410338887 A CN202410338887 A CN 202410338887A CN 117954154 B CN117954154 B CN 117954154B
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- 230000003287 optical effect Effects 0.000 claims description 21
- 241000533950 Leucojum Species 0.000 claims description 3
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- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 26
- 239000002184 metal Substances 0.000 abstract description 23
- 230000003139 buffering effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of torsion-resistant cables, and particularly discloses a multi-core torsion-resistant charging cable which comprises a cable core, wherein the cable core comprises a torsion-resistant ventilation framework and a plurality of wires; the section of the torsion-resistant ventilation framework is snowflake-shaped; according to the anti-torsion ventilation framework, when the torsion force of the cable exceeds the torsion force absorbed by the torsion sleeve, the metal conductor can slightly rotate along the circumferential direction of the central through hole through the outer part of the anti-torsion ventilation framework, the outer part generates micro deformation, the first anti-torsion through hole generates compression deformation, the first anti-torsion through hole is used as a displacement path when one side wall of the outer part is displaced, the effect of buffering and avoiding is achieved, the second anti-torsion through hole generates torsion deformation, the hard torsion damage of the metal conductor of the outer part is further reduced, the wires in the central through hole are not influenced by the torsion force nearly, the anti-torsion ventilation framework has the effect of flexibly buffering and adjusting the position of the metal conductor, and the situation that the traditional cable core framework damages the metal conductor hard resistance and limit is avoided.
Description
Technical Field
The invention relates to the field of torsion-resistant cables, in particular to a multi-core torsion-resistant charging cable.
Background
At present, the charging cable of an airport or a parking lot in China needs to repeatedly run and move in the working process, and the cable in the machine can be repeatedly twisted. The cable is twisted, the outer skin is worn out and the cable core is broken after long-term high-load torsion, so that the phenomena of disconnection, short circuit, sheath breakage and the like are caused. Most of the cables need import for a long time, the import delivery period is long, and the price is high.
Therefore, the anti-torsion charging cable with multiple cores is provided, the anti-torsion ventilation skeleton is arranged in the cable core, the anti-torsion performance of the cable is improved, ventilation and heat exchange can be carried out in the cable core, and the service life of the cable is prolonged.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide a multi-core torsion-resistant charging cable which overcomes the defects in the prior art.
(II) technical scheme
In order to solve the technical problems, the invention provides a multi-core anti-torsion charging cable, which comprises a cable core, an inner sheath, a fireproof layer and an outer sheath, wherein the inner sheath, the fireproof layer and the outer sheath are sequentially wrapped outside the cable core;
The cross section of the anti-torsion ventilating framework is in a snowflake shape, a central through hole is formed in the central part of the anti-torsion ventilating framework, a plurality of outer protruding parts are arranged on the anti-torsion ventilating framework and distributed in a circumferential array compared with the central through hole, second limit grooves are formed in the outer protruding parts of the anti-torsion ventilating framework, first limit grooves are formed between every two adjacent outer protruding parts, a plurality of wires comprise ground wires arranged in the central through hole and a power core arranged on the first limit grooves, and the wires further comprise control wires arranged on the second limit grooves;
The anti-torsion ventilation framework is also provided with a plurality of first anti-torsion through holes and a plurality of second anti-torsion through holes, the first anti-torsion through holes are respectively positioned between two adjacent first limit grooves, and the second anti-torsion through holes are positioned between the first limit grooves and the central through hole;
When the cable is twisted, the outer torsion sleeve can slightly rotate relative to the outer sheath, so that partial torsion force is absorbed, the torsion force borne by the metal conductor in the cable core is reduced, and the service life of the cable is prolonged; if cable torsional force exceeds torsion that torsion cover can absorb, the metal conductor can be through the outer part of antitorque ventilation skeleton, follow central through-hole circumferencial direction and carry out little rotation, outer part produces little deformation, its first antitorque through-hole takes place compression deformation, the cross-section hole diameter changes, the displacement route when first antitorque through-hole produces the displacement as an outer part lateral wall, reach the effect of buffering dodging, the torsional deformation takes place for the second antitorque through-hole, further reduce the rigid torsion damage of outer part metal conductor, and the wire in the central through-hole is near not receiving the influence of torsional force, make antitorque ventilation skeleton have the effect of flexible buffering adjustment position metal conductor position, avoid like traditional cable core skeleton to the condition that metal conductor is hard to resist spacing the damage that causes.
Further, six outer protruding portions of the torsion-resistant ventilation skeleton are arranged.
Further, a plurality of second spacing grooves are located the end limit of a plurality of outer protruding portions of antitorque ventilation skeleton respectively, and power core clamping is in first spacing groove, and control line dress is in second spacing groove, is wrapping up it through the band, makes its combination become the cable core.
Further, the cross sections of the first limit groove and the second limit groove are arc-shaped, and the diameter of the cross section groove of the first limit groove is larger than that of the cross section groove of the second limit groove.
Further, the cross section of the first torsion-resistant through hole is rectangular, the cross section of the second torsion-resistant through hole is arc-shaped, and six torsion-resistant through holes are formed in the torsion-resistant ventilation framework.
Furthermore, the ground wire is formed by uniformly dividing 36mm wire cores into six 6mm wire cores, the circumferential arrays of the wire cores are distributed in the central through hole, the design is mainly that the central ground wire is easy to break, and the 36mm wire cores are grouped into six 6mm wire cores and then stranded together to form a cable so as to increase tensile resistance; the six wire cores of the ground wire are wrapped with a central torsion bar, the central torsion bar is arranged in a hollow mode, and the periphery of the ground wire is contacted with the hole wall of the central through hole; the center antitorque strip sets up in the ground wire middle part, first six 6mm sinle silk that support a plurality of constitution ground wires, second is increase cable core antitorque bending resistance, when cable core is crooked in the anti-bending, antitorque ventilation skeleton can produce deformation, originally circular cross-section's center through-hole warp to oval form, the center antitorque strip of cavity setting also can warp to oval form under the ground wire oppression, thereby make the ground wire that is in the bight obtain flexible buffering, reduce the influence that causes the metal conductor to damage because of hard friction and the spacing resistance of hardness, in the same way, the power core compression second antitorque through-hole of bight, make it obtain good flexible buffering, reduce the broken core of cable core, the circumstances of twisting off, the life of extension cable.
Further, a plurality of power cores are respectively arranged in the first limiting groove by six wire cores with the diameter of 35mm, and the outer lining of the power cores is attached to the groove wall of the first limiting groove.
Further, a plurality of control lines are installed in the second spacing groove respectively by six groups of sinle silk that 4 x 1mm was organized, and the multiunit control line cable that twenty-four core was constituteed, and every group all embeds tensile aramid fiber silk and twines together, increases conductor tensile properties, solves the easy broken core volume problem, the outer bush of control line is laminated with the cell wall in second spacing groove.
Further, the fireproof layer is provided with a plurality of temperature sensing early warning optical cables positioned between the inner sheath and the outer sheath, the three groups of temperature sensing early warning optical cables are distributed in a circumferential array relative to the central torsion bar, the outer diameter of each temperature sensing early warning optical cable is controlled to be 1-2 mm, the temperature sensing early warning optical cable is connected with an exchanger, the exchanger receives optical signals of the temperature sensing early warning optical cable, converts the optical signals into electric signals and transmits the electric signals to a remote client through the Ethernet, and the remote client is used for collecting monitored data and analyzing and monitoring the data; the outer circumferential wall of oversheath has been seted up a plurality of arc spouts, sliding connection has the cover of turning round on the oversheath, when the inside and outside circumference wall of turning round the cover is provided with the slider with arc spout sliding connection, turn round the cover and can slightly rotate for the oversheath, absorb partial torsional force, reduce the torsional force that the metal conductor received in the cable core, prolong the life of cable.
Further, one end of the cable is connected with an electric box through a fixed end, a plurality of wires in the cable are connected with a wire inside the electric box, one end of an anti-torsion ventilating framework of the cable is positioned in the electric box and corresponds to an air supply opening in the electric box, the other end of the anti-torsion ventilating framework of the cable is positioned outside, and air of the air supply opening in the electric box flows to the outside through a first anti-torsion through hole and a second anti-torsion through hole of the anti-torsion ventilating framework;
When the cable is connected to the charging pile, the electric box or other electric equipment for use, the outer sheath at one end of the cable is connected and fixed to the fixed end in the electric box, and the wires in the cable core are respectively connected with the wiring ends in the electric box, so that a gap exists between the wires, one end of the anti-torsion ventilating framework corresponds to the air supply opening in the electric box, when the fan and other ventilating equipment in the electric box run, the air flow from the air supply opening of the fan and other ventilating equipment passes through the first anti-torsion through holes and the second anti-torsion through holes on the corresponding anti-torsion ventilating framework, and the air flowing in the first anti-torsion through holes and the second anti-torsion through holes is discharged to the outside through the other end of the anti-torsion ventilating framework, so that the anti-torsion ventilating framework cools the cable core, the situation that the data transmission or fire disaster is influenced is avoided, the working state of the cable is ensured, and the service life of the cable is prolonged.
(III) beneficial effects
Compared with the prior art, the multi-core torsion-resistant charging cable provided by the invention has the following beneficial effects:
1. According to the invention, through the torsion sleeve, when the cable is twisted, the external torsion sleeve can slightly rotate relative to the outer sheath, so that part of torsion force is absorbed, and the torsion force applied to the metal conductor in the cable core is reduced, thereby prolonging the service life of the cable.
2. According to the anti-torsion ventilation framework, if the torsion force of the cable exceeds the torsion force absorbed by the torsion sleeve, the metal conductor can slightly rotate along the circumferential direction of the central through hole through the outer part of the anti-torsion ventilation framework, the outer part generates micro deformation, the first anti-torsion through hole is compressed and deformed, the diameter of the cross section hole changes, the first anti-torsion through hole is used as a displacement path when one side wall of the outer part generates displacement, the effect of buffering and avoiding is achieved, the second anti-torsion through hole is subjected to torsion deformation, the hard torsion damage of the metal conductor of the outer part is further reduced, the conductor in the central through hole is not influenced by the torsion force almost, the anti-torsion ventilation framework has the effect of flexibly buffering and adjusting the position of the metal conductor, and the situation that the traditional cable core framework is damaged due to hard resistance and limitation of the metal conductor is avoided.
3. According to the invention, when the cable is connected to the charging pile, the electric box or other electric equipment for use, the outer sheath at one end of the cable is connected and fixed to the fixed end in the electric box, the plurality of wires in the cable core are respectively connected with the wiring ends in the electric box, gaps exist between the wires, one end of the anti-torsion ventilation framework corresponds to the air supply opening in the electric box, when the ventilation equipment such as a fan in the electric box runs, air from the air supply opening flows into the first anti-torsion through hole and the second anti-torsion through hole on the corresponding anti-torsion ventilation framework, and the air in the first anti-torsion through hole and the second anti-torsion through hole is discharged to the outside through the other end of the anti-torsion ventilation framework, so that the temperature of the cable core is reduced by the air circulated in the anti-torsion ventilation framework, the condition that the data transmission or fire disaster is influenced due to the too high working temperature is avoided, the working state of the cable is ensured, and the service life of the cable is prolonged.
4. According to the invention, through the arranged temperature sensing early warning optical cable, the temperature sensing early warning optical cable is connected with the exchanger, the exchanger receives the optical signal of the temperature sensing early warning optical cable, converts the optical signal into an electric signal, and transmits the electric signal to the remote client through the Ethernet, and the remote client is used for collecting the monitored data, analyzing and monitoring, and timely coping with the situation of fire of the cable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a multi-core torsion-resistant charging cable according to the present invention;
FIG. 2 is a schematic view of a torsion-resistant ventilated skeleton of a multi-core torsion-resistant charging cable according to the present invention;
FIG. 3 is a schematic view of the invention taken along line A-A of FIG. 1;
FIG. 4 is a schematic diagram of a multi-core torsion-resistant charging cable according to the present invention in a twisted state;
FIG. 5 is a schematic view showing a torsion-resistant ventilated casing of a multi-core torsion-resistant charging cable according to the present invention in a twisted state;
FIG. 6 is a schematic view of a torsion-resistant ventilated cage of a multi-core torsion-resistant charging cable of the present invention in a bent state;
The corresponding component names for each reference number in the figures are: 1. a power core; 2. a ground wire; 3. a control line; 4. an inner sheath; 5. a fire-blocking layer; 6. an outer sheath; 601. an arc chute; 7. twisting the sleeve; 701. a slide block; 8. a temperature sensing early warning optical cable; 9. a central torsion bar; 10. a torsion-resistant ventilation skeleton; 1011. a central through hole; 1012. a first limit groove; 1013. the second limit groove; 1014. a first torsion-resistant through hole; 1015. and a second torsion resistant through hole.
Detailed Description
The application will now be described in detail with reference to the drawings and to specific embodiments.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, apparatus may be implemented and/or methods practiced using any number and aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details.
The following describes the technical scheme provided by each embodiment of the present application with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present invention provides a multi-core anti-torsion charging cable, which comprises a cable core, an inner sheath 4, a fireproof layer 5 and an outer sheath 6, wherein the inner sheath 4, the fireproof layer 5 and the outer sheath 6 are sequentially wrapped outside the cable core, and the cable core comprises an anti-torsion ventilation skeleton 10 and a plurality of wires connected with the anti-torsion ventilation skeleton 10.
Referring to fig. 1 and 2, the cross section of the anti-torsion ventilating skeleton 10 is snowflake, a central through hole 1011 is provided at the central portion of the anti-torsion ventilating skeleton 10, a plurality of outer protruding portions are provided on the anti-torsion ventilating skeleton 10, the plurality of outer protruding portions are distributed in a circumferential array compared with the central through hole 1011, a second limiting groove 1013 is provided on the plurality of outer protruding portions of the anti-torsion ventilating skeleton 10, a first limiting groove 1012 is formed between every two adjacent outer protruding portions, a plurality of wires comprise a ground wire 2 arranged in the central through hole 1011, and a power core 1 arranged on the plurality of first limiting grooves 1012, and the plurality of wires further comprise a control wire 3 arranged on the plurality of second limiting grooves 1013.
Referring to fig. 2 to 5, the torsion-resistant ventilation skeleton 10 is further provided with a plurality of first torsion-resistant through holes 1014 and a plurality of second torsion-resistant through holes 1015, wherein the plurality of first torsion-resistant through holes 1014 are respectively located between two adjacent first limiting slots 1012, and the plurality of second torsion-resistant through holes 1015 are located between the first limiting slots 1012 and the central through hole 1011;
When the cable is twisted, the outer torsion sleeve 7 can slightly rotate relative to the outer sheath 6, so that partial torsion force is absorbed, the torsion force born by the metal conductor in the cable core is reduced, and the service life of the cable is prolonged; if the torsion force of the cable exceeds the torsion force absorbed by the torsion sleeve 7, the metal conductor can slightly rotate along the circumferential direction of the central through hole 1011 through the outer part of the torsion-resistant ventilation skeleton 10, the outer part generates micro deformation, the first torsion-resistant through hole 1014 thereof generates compression deformation, the diameter of the cross section hole changes, the first torsion-resistant through hole 1014 is used as a displacement path when a side wall of the outer part generates displacement, the effect of buffering and avoiding is achieved, the second torsion-resistant through hole 105 generates torsion deformation, the hard torsion damage of the metal conductor of the outer part is further reduced, and the wires in the central through hole 1011 are almost not influenced by the torsion force, so that the torsion-resistant ventilation skeleton 10 has the effect of flexibly buffering and adjusting the position of the metal conductor, and the situation of damage caused by the hard resistance and limitation of the metal conductor like a traditional cable core skeleton is avoided.
Referring to fig. 1 to 2, six outer protruding portions of the torsion-resistant ventilating skeleton 10 are provided, a plurality of first limiting grooves 1012 are respectively located between two adjacent outer protruding portions of the torsion-resistant ventilating skeleton 10, a plurality of second limiting grooves 1013 are respectively located at end edges of the plurality of outer protruding portions of the torsion-resistant ventilating skeleton 10, a power core 1 is clamped in the first limiting grooves 1012, a control wire 3 is clamped in the second limiting grooves 1013, the power core is wrapped by a wrapping belt to form a cable core, cross sections of the first limiting grooves 1012 and the second limiting grooves 1013 are arc-shaped, the cross section groove diameter of the first limiting grooves 1012 is larger than the cross section groove diameter of the second limiting grooves 1013, the cross section of the first torsion-resistant through holes 1014 is rectangular, the cross section of the second torsion-resistant through holes 1015 is arc-shaped, and the plurality of first torsion-resistant through holes 1014 and the second torsion-resistant through holes 1015 are all provided with six on the torsion-resistant ventilating skeleton 10.
Referring to fig. 1-2 and 6, the ground wire 2 is formed by uniformly dividing 36mm wire cores into six 6mm wire core circumferential arrays, and the six 6mm wire core circumferential arrays are distributed in a central through hole 1011; the six wire cores of the ground wire 2 are wrapped with a central torsion bar 9, the central torsion bar 9 is arranged in a hollow manner, and the periphery of the ground wire 2 is contacted with the hole wall of the central through hole 1011; the center torsion bar 9 is arranged in the middle of the ground wire 2, firstly, six 6mm wire cores forming the ground wire 2 are supported, secondly, torsion resistance and bending resistance of the cable core are increased, when the cable core is reversely bent, the torsion-resistant ventilation skeleton 10 can deform, the center through hole 1011 originally with a circular section is deformed to be elliptical, the center torsion bar 9 which is arranged in a hollow mode can deform to be elliptical under the compression of the ground wire, therefore, the ground wire 2 at the bending part is flexibly buffered, the influence of metal conductor damage caused by hard friction and hard limiting resistance is reduced, and similarly, the power core 1 at the bending part compresses the second torsion-resistant through hole 1015 to enable the second torsion-resistant through hole to be well flexibly buffered, the broken core and the torsion breaking condition of the cable core are reduced, and the service life of the cable is prolonged.
Referring to fig. 1 and 4, a plurality of power cores 1 are respectively installed in a first limiting groove 1012 by six wire cores with the diameter of 35mm, an outer bushing of each power core 1 is attached to the groove wall of the first limiting groove 1012, a plurality of control wires 3 are respectively installed in a second limiting groove 1013 by six groups of wire cores with the diameter of 4 x 1mm, a plurality of groups of control wires 3 consisting of 24 cores are respectively installed in the second limiting groove 1013, each group of control wires 3 is twisted together by built-in tensile aramid wires, the tensile property of conductors is improved, the problem of easy broken cores is solved, the outer bushing of each control wire 3 is attached to the groove wall of the second limiting groove 1013, a fireproof layer 5 is provided with a plurality of temperature sensing early warning optical cables 8 positioned between an inner sheath 4 and an outer sheath 6, the temperature sensing early warning optical cables 8 are distributed in three groups, the three groups of temperature sensing early warning optical cables 8 are distributed in a circumferential array relative to a central torsion bar 9, the outer diameter of each temperature sensing optical cable 8 is controlled between 1mm and 2mm, the temperature sensing optical cable 8 is connected with a heat exchanger, the light signal of each heat exchanger receives the temperature sensing early warning optical cable 8, and transmits the light signal to a remote client through an Ethernet after converting the light signal into an electrical signal, the remote client is used for collecting data and monitoring and analyzing and monitoring the data of the early warning optical cable.
Referring to fig. 4, a plurality of arc-shaped sliding grooves 601 are formed in the outer circumferential wall of an outer sheath 6, a torsion sleeve 7 is slidably connected to the outer sheath 6, sliding blocks 701 slidably connected with the arc-shaped sliding grooves 601 are arranged on the inner circumferential wall and the outer circumferential wall of the torsion sleeve 7, screws are connected to the two ends of the torsion sleeve 7 and the outer sheath 6, when a cable is subjected to torsion force, the torsion sleeve 7 can slightly rotate relative to the outer sheath 6, partial torsion force is absorbed, torsion force received by a metal conductor in a cable core is reduced, and the service life of the cable is prolonged.
Referring to fig. 1 to 3, one end of a cable is connected to an electric box through a fixed end, a plurality of wires in the cable are connected to a wire inside the electric box, one end of an anti-torsion ventilating skeleton 10 of the cable is positioned inside the electric box and corresponds to an air supply opening inside the electric box, the other end of the anti-torsion ventilating skeleton 10 of the cable is positioned outside, and air of the air supply opening inside the electric box flows to the outside through a first anti-torsion through hole 1014 and a second anti-torsion through hole 1015 of the anti-torsion ventilating skeleton 10;
When the cable is connected to a charging pile, an electric box or other electric equipment for use, one end outer sheath 6 of the cable is connected and fixed to a fixed end in the electric box, a plurality of wires in a cable core are respectively connected with wiring ends in the electric box, a gap exists between the wires, one end of the anti-torsion ventilating skeleton 10 corresponds to an air supply opening in the electric box, when the fan and other ventilating equipment in the electric box run, air flow sent out by the air supply opening of the fan and other ventilating equipment in the electric box passes through the first anti-torsion through holes 1014 and the second anti-torsion through holes 1015 on the corresponding anti-torsion ventilating skeleton 10, and air in the first anti-torsion through holes 1014 and the second anti-torsion through holes 1015 is discharged to the outside through the other end of the anti-torsion ventilating skeleton 10, so that the anti-torsion ventilating skeleton 10 cools the cable core, the condition that data transmission or fire disaster is influenced due to the too high working temperature is avoided, the working state of the cable is ensured, and the service life of the cable is prolonged.
The same and similar parts of the embodiments in this specification are all referred to each other, and each embodiment focuses on the differences from the other embodiments.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a rotatory charging cable of multicore, includes the cable core to and parcel in proper order at the outside inner sheath (4) of cable core, flame retardant coating (5), oversheath (6), its characterized in that: the cable core comprises a torsion-resistant ventilation skeleton (10), and a plurality of wires connected with the torsion-resistant ventilation skeleton (10);
The cross section of the anti-torsion ventilating framework (10) is in a snowflake shape, a central through hole (1011) is formed in the central part of the anti-torsion ventilating framework (10), a plurality of outer protruding parts are arranged on the anti-torsion ventilating framework (10) and distributed in a circumferential array compared with the central through hole (1011), a second limit groove (1013) is formed in the outer protruding parts of the anti-torsion ventilating framework (10), the second limit grooves (1013) are respectively arranged at the end edges of the outer protruding parts of the anti-torsion ventilating framework (10), a first limit groove (1012) is formed between every two adjacent outer protruding parts, a plurality of wires comprise a ground wire (2) arranged in the central through hole (1011), and a power core (1) arranged on the first limit grooves (1012), and the wires further comprise control wires (3) arranged on the second limit grooves (1013);
The anti-torsion ventilation framework (10) is also provided with a plurality of first anti-torsion through holes (1014) and a plurality of second anti-torsion through holes (1015), the plurality of first anti-torsion through holes (1014) are respectively positioned between two adjacent first limit grooves (1012), and the plurality of second anti-torsion through holes (1015) are positioned between the first limit grooves (1012) and the central through hole (1011).
2. The multi-core torsion resistant charging cable of claim 1, wherein: six outer convex parts of the torsion-resistant ventilation framework (10) are arranged.
3. The multi-core torsion resistant charging cable of claim 1, wherein: the cross sections of the first limit groove (1012) and the second limit groove (1013) are arc-shaped, and the diameter of the cross section groove of the first limit groove (1012) is larger than that of the cross section groove of the second limit groove (1013).
4. The multi-core torsion resistant charging cable of claim 1, wherein: the cross section of the first torsion-resistant through hole (1014) is rectangular, the cross section of the second torsion-resistant through hole (1015) is arc-shaped, and six torsion-resistant through holes (1014) and six torsion-resistant through holes (1015) are arranged on the torsion-resistant ventilation skeleton (10).
5. The multi-core torsion resistant charging cable of claim 1, wherein: the ground wire (2) is equally divided into six 6mm wire cores by 36mm wire cores, the wire cores are circumferentially arrayed and distributed in the central through hole (1011), the six wire cores of the ground wire (2) are wrapped with a central torsion-resistant strip (9), the central torsion-resistant strip (9) is arranged in a hollow mode, and the periphery of the ground wire (2) is in contact with the hole wall of the central through hole (1011).
6. The multi-core torsion resistant charging cable of claim 1, wherein: the power cores (1) are respectively arranged in the first limiting grooves (1012) by six wire cores with the diameter of 35mm, and the outer lining of the power cores (1) is attached to the groove walls of the first limiting grooves (1012).
7. The multi-core torsion resistant charging cable of claim 1, wherein: the control lines (3) are respectively arranged in the second limiting grooves (1013) by six groups of wire cores with the length of 4 multiplied by 1mm, and the outer lining of the control lines (3) is attached to the groove walls of the second limiting grooves (1013).
8. The multi-core torsion resistant charging cable of claim 1, wherein: the fire-resistant layer (5) is provided with a plurality of temperature sensing early warning optical cable (8) that are located between inner sheath (4) and oversheath (6), a plurality of arc spouts (601) have been seted up to the outer circumference wall of oversheath (6), sliding connection has on oversheath (6) to turn round cover (7), turn round the inside and outside circumference wall of cover (7) be provided with arc spout (601) sliding connection's slider (701), both ends and oversheath (6) of turning round cover (7) are connected with the screw.
9. The multi-core torsion-resistant charging cable of claim 8, wherein: one end of the cable is connected with an electric box through a fixed end, a plurality of wires in the cable are connected with the inner side of the electric box, one end of an anti-torsion ventilating framework (10) of the cable is positioned in the electric box and corresponds to an air supply opening in the electric box, the other end of the anti-torsion ventilating framework (10) of the cable is positioned outside, and air of the air supply opening in the electric box flows to the outside through a first anti-torsion through hole (1014) and a second anti-torsion through hole (1015) of the anti-torsion ventilating framework (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338887.9A CN117954154B (en) | 2024-03-25 | 2024-03-25 | Multi-core torsion-resistant charging cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338887.9A CN117954154B (en) | 2024-03-25 | 2024-03-25 | Multi-core torsion-resistant charging cable |
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| CN117954154A CN117954154A (en) | 2024-04-30 |
| CN117954154B true CN117954154B (en) | 2024-05-28 |
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| CN202410338887.9A Active CN117954154B (en) | 2024-03-25 | 2024-03-25 | Multi-core torsion-resistant charging cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599522A (en) * | 2020-06-01 | 2020-08-28 | 崔亮 | Anti-distortion cable |
| CN214847812U (en) * | 2021-06-22 | 2021-11-23 | 安徽新亚特电缆科技有限公司 | Fluoroplastic insulation control cable |
| CN113985542A (en) * | 2021-09-27 | 2022-01-28 | 杭州富通通信技术股份有限公司 | Long-distance aerial optical cable |
| CN218471649U (en) * | 2022-10-19 | 2023-02-10 | 江苏昌德嘉电缆有限公司 | Environment-friendly fire-resistant power cable based on low-smoke halogen-free flame-retardant material |
| CN116543954A (en) * | 2023-05-10 | 2023-08-04 | 安徽春辉仪表线缆集团有限公司 | Silicone rubber flame-retardant flexible power cable with good torsion resistance |
-
2024
- 2024-03-25 CN CN202410338887.9A patent/CN117954154B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599522A (en) * | 2020-06-01 | 2020-08-28 | 崔亮 | Anti-distortion cable |
| CN214847812U (en) * | 2021-06-22 | 2021-11-23 | 安徽新亚特电缆科技有限公司 | Fluoroplastic insulation control cable |
| CN113985542A (en) * | 2021-09-27 | 2022-01-28 | 杭州富通通信技术股份有限公司 | Long-distance aerial optical cable |
| CN218471649U (en) * | 2022-10-19 | 2023-02-10 | 江苏昌德嘉电缆有限公司 | Environment-friendly fire-resistant power cable based on low-smoke halogen-free flame-retardant material |
| CN116543954A (en) * | 2023-05-10 | 2023-08-04 | 安徽春辉仪表线缆集团有限公司 | Silicone rubber flame-retardant flexible power cable with good torsion resistance |
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| CN117954154A (en) | 2024-04-30 |
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