CN211980236U

CN211980236U - Environment-friendly insulation type power cable

Info

Publication number: CN211980236U
Application number: CN202020869473.6U
Authority: CN
Inventors: 林琼嘉
Original assignee: Guangzhou Rixin Industrial Co ltd
Current assignee: Guangzhou Rixin Industrial Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-11-20
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an environmental protection insulation type power cable, including the cable body, twine on the outer wall of the heart yearn of cable body and set up a plurality of carbon fiber tows, and set gradually fire-resistant mica tape, shielding aluminium foil and oversheath on the outer wall of carbon fiber tows, and the oversheath is the component that crosslinked polyethylene material made, can obstruct external electromagnetism to produce the interference to the heart yearn through setting up the shielding aluminium foil, guarantee the normal work of heart yearn, and fire-resistant mica tape and crosslinked polyethylene material made oversheath then fully improve the fire resistance of cable, guarantee that the cable can not be easily caused the damage by naked light and high temperature, and crosslinked polyethylene made oversheath and shielding aluminium foil and fire-resistant mica tape homoenergetic recycle, improved the utilization ratio of resource, energy-concerving and environment-protective; this insulating type power cable of environmental protection, simple structure, barrier propterty is good.

Description

Environment-friendly insulation type power cable

Technical Field

The utility model relates to a cable technical field specifically is an environmental protection insulation type power cable.

Background

The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power line can be divided into an AC power line and a DC power line according to the purpose, generally, the AC power line is a wire rod passing through AC with higher voltage, and the wire rod needs to be unified standard due to higher voltage so as to obtain a safety certification party and can be formally produced. The DC line passes a direct current with a low voltage, so that the safety requirement is not strict as the AC line, but the countries still require uniform safety certification for safety.

However, the existing cable is susceptible to interference in some areas with strong magnetic field signal interference, for example, the cable is susceptible to interference in places where communication audio, broadcast audio systems, instruments, electronic equipment and automation equipment are arranged more, thereby affecting work; in addition, the existing electric wire and cable has extremely poor fire resistance, the shell is just exposed to open fire, and the bare conductor inside the shell is exposed to high temperature, so that serious accidents are caused.

Therefore, we have proposed an environment-friendly insulation type power cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental protection insulation type power cable sets up a plurality of carbon fiber tows through the winding on the outer wall of heart yearn to set gradually fire resistant mica tape, shielding aluminium foil and oversheath on the outer wall of carbon fiber tow, and adopt the crosslinked polyethylene material to make the oversheath, thereby solved the problem that proposes in the above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environmental protection insulation type power cable, includes the cable body, the cable body includes heart yearn, carbon fiber silk bundle, fire resistant mica tape, shielding aluminium foil and oversheath, and the winding of evenly laminating respectively is provided with a plurality of carbon fiber silk bundles on the outer wall of heart yearn, and the winding is provided with fire resistant mica tape on the outer wall of carbon fiber silk bundle, and the parcel has the one deck shielding aluminium foil on the outer wall of fire resistant mica tape, has cup jointed the oversheath on the outer wall of shielding aluminium foil.

Further, the core wire comprises a metal reinforcing piece, a first conductor, a second conductor, a third conductor and an inner sheath, wherein the first conductor, the second conductor and the third conductor are uniformly and alternately wound on the outer wall of the metal reinforcing piece respectively, and the inner sheath is sleeved on the outer walls of the first conductor, the second conductor and the third conductor.

Further, foam pellets are filled in gaps among the first conductor, the second conductor and the third conductor and the inner sheath.

Further, the composition structure of the first conductor is the same as that of the second conductor and the third conductor.

Further, first conductor includes first copper line, second copper line, third copper line and insulating cover, evenly twines each other between first copper line, second copper line and the third copper line and twists into the single strand wire, and has cup jointed the insulating cover on the outer wall of first copper line, second copper line and third copper line.

Further, the outer sheath, the inner sheath and the insulating sheath are all members made of cross-linked polyethylene materials.

Further, the limit working temperatures of the outer sheath, the inner sheath and the insulating sheath are respectively-40 ℃ at a low temperature and 150 ℃ at a high temperature.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides an environmental protection insulation type power cable, the winding sets up a plurality of carbon fiber tows on the outer wall of the heart yearn of cable body, and set gradually fire resistant mica tape on the outer wall of carbon fiber tow, shielding aluminium foil and oversheath, and the oversheath is the component that crosslinked polyethylene material made, can separate external electromagnetism to the heart yearn production interference through setting up shielding aluminium foil, guarantee the normal work of heart yearn, and the oversheath that fire resistant mica tape and crosslinked polyethylene material made then fully improves the fire resistance of cable, guarantee that the cable can not caused the damage by naked light and high temperature easily, and oversheath and shielding aluminium foil and fire resistant mica tape homoenergetic recycle that crosslinked polyethylene made, energy-concerving and environment-protective.

2. The utility model provides an insulating type power cable of environmental protection, heart yearn are twisted by the metal reinforcement in the middle of the stranded conductor winding and are formed, twist through setting up metal reinforcement and stranded conductor winding, have improved the bulk strength of heart yearn, guarantee that the heart yearn can not split easily, and fill the foam spherule between the gap of conductor and the inner sheath on the outer wall, utilize foam spherule and inner sheath to cushion protection to each conductor inside it, avoid the heart yearn to receive external extrusion and fracture.

3. The utility model provides an environmental protection insulation type power cable, first conductor, second conductor and the third conductor of heart yearn are all twisted by the mutual even winding of stranded copper line respectively, utilize the transposition power of stranded copper line, have improved first conductor, second conductor and the respective monomer intensity of third conductor, thereby guarantee that first conductor, second conductor and third conductor can not split easily and influence the use of cable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the cable body A of the present invention;

FIG. 3 is a cross-sectional view of the core wire of the present invention;

fig. 4 is a cross-sectional view of a first conductor of the present invention.

In the figure: 1. a cable body; 11. a core wire; 111. a metal reinforcement; 112. a first conductor; 1121. a first copper wire; 1122. a second copper wire; 1123. a third copper wire; 1124. an insulating sleeve; 113. a second conductor; 114. a third conductor; 115. an inner sheath; 116. foam pellets; 12. carbon fiber tows; 13. fire-resistant mica tapes; 14. shielding an aluminum foil; 15. an 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.

Referring to fig. 1-2, an environment-friendly insulation type power cable includes a cable body 1, the cable body 1 includes a core wire 11, carbon fiber bundles 12, a fire-resistant mica tape 13, a shielding aluminum foil 14 and an outer sheath 15, the outer wall of the core wire 11 is respectively uniformly wound with a plurality of carbon fiber bundles 12, the outer wall of the carbon fiber bundles 12 is wound with the fire-resistant mica tape 13, the outer wall of the fire-resistant mica tape 13 is wrapped with a layer of shielding aluminum foil 14, the outer wall of the shielding aluminum foil 14 is sleeved with the outer sheath 15, the outer sheath 15 is a member made of cross-linked polyethylene material, the shielding aluminum foil 14 can prevent external electromagnetic interference on the core wire 11, so as to ensure normal operation of the core wire 11, and the fire-resistant mica tape 13 and the outer sheath 15 made of cross-linked polyethylene material fully improve fire resistance of the cable, so as to ensure that the cable is not easily, and the outer sheath 15, the shielding aluminum foil 14 and the fire-resistant mica tape 13 which are made of the crosslinked polyethylene can be recycled, so that the energy is saved and the environment is protected.

Referring to fig. 3, an environment-friendly insulation type power cable, a core wire 11 includes a metal reinforcement 111, a first conductor 112, a second conductor 113, a third conductor 114 and an inner sheath 115, the outer wall of the metal reinforcement 111 is uniformly and alternately wound with the first conductor 112, the second conductor 113 and the third conductor 114, the outer walls of the first conductor 112, the second conductor 113 and the third conductor 114 are sleeved with the inner sheath 115, and foam pellets 116 are filled in gaps between the first conductor 112, the second conductor 113 and the third conductor 114 and the inner sheath 115, the core wire 11 is formed by twisting the metal reinforcement 111 wound with a plurality of conductors, by arranging the metal reinforcement 111 and twisting the plurality of conductors, the overall strength of the core wire 11 is improved, the core wire 11 is ensured not to be easily broken, and the foam pellets 116 are filled between the conductors and the gaps of the inner sheath 115 on the outer wall, the foam pellets 116 and the inner sheath 115 are used to buffer and protect the conductors inside, the core wire 11 is prevented from being broken by external pressure.

Referring to fig. 4, an environment-friendly insulated power cable includes a first conductor 112 having a same structure as a second conductor 113 and a third conductor 114, the first conductor 112 includes a first copper wire 1121, a second copper wire 1122, a third copper wire 1123 and an insulating sleeve 1124, the first copper wire 1121, the second copper wire 1122 and the third copper wire 1123 are uniformly wound and twisted to form a single-stranded wire, the insulating sleeve 1124 is sleeved on the outer walls of the first copper wire 1121, the second copper wire 1122 and the third copper wire 1123, the insulating sleeve 1124, the outer sheath 15 and the inner sheath 115 are all made of cross-linked polyethylene, the limit operating temperatures of the insulating sleeve 1124, the insulating sleeve 15 and the inner sheath 115 are respectively low-40 ℃ and high-temperature 150 ℃, the first conductor 112, the second conductor 113 and the third conductor 114 of the core 11 are respectively formed by uniformly winding and twisting a plurality of copper wires, and the twisting force of the plurality of copper wires is utilized, the strength of each single body of the first conductor 112, the second conductor 113 and the third conductor 114 is improved, and the first conductor 112, the second conductor 113 and the third conductor 114 are prevented from being easily broken, so that the use of the cable is not influenced.

In summary, the following steps: the utility model provides an environmental protection insulation type power cable, the winding sets up a plurality of carbon fiber tows 12 on the outer wall of heart yearn 11 of cable body 1, and set gradually fire-resistant mica tape 13 on the outer wall of carbon fiber tows 12, shielding aluminium foil 14 and oversheath 15, and oversheath 15 is the component that crosslinked polyethylene material made, can obstruct external electromagnetism to produce the interference to heart yearn 11 through setting up shielding aluminium foil 14, guarantee the normal work of heart yearn 11, and fire-resistant mica tape 13 and oversheath 15 that crosslinked polyethylene material made have then fully improved the fire resistance of cable, guarantee that the cable can not be easily caused the damage by naked light and high temperature, and oversheath 15 and shielding aluminium foil 14 and fire-resistant mica tape 13 that crosslinked polyethylene made all can recycle, energy-concerving and environment-protective; the core wire 11 is formed by twisting a metal reinforcing part 111 in the middle of winding a plurality of conductors, the metal reinforcing part 111 and the plurality of conductors are twisted, the overall strength of the core wire 11 is improved, the core wire 11 is ensured not to be easily broken, a foam spherical particle 116 is filled between the conductor and a gap of an inner sheath 115 on the outer wall, each conductor in the conductor is buffered and protected by the foam spherical particle 116 and the inner sheath 115, and the core wire 11 is prevented from being broken due to external extrusion; the first conductor 112, the second conductor 113 and the third conductor 114 of the core wire 11 are respectively formed by uniformly winding and twisting a plurality of strands of copper wires, and the twisting force of the plurality of strands of copper wires is utilized to improve the monomer strength of the first conductor 112, the second conductor 113 and the third conductor 114, so that the first conductor 112, the second conductor 113 and the third conductor 114 are not easily broken, and the use of the cable is not affected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environmental protection insulation type power cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1) and is characterized in that the cable body comprises a core wire (11), carbon fiber tows (12), a fire-resistant mica tape (13), shielding aluminum foils (14) and an outer sheath (15), the outer wall of the core wire (11) is uniformly provided with the carbon fiber tows (12) in a wound mode, the outer wall of the carbon fiber tows (12) is provided with the fire-resistant mica tape (13) in a wound mode, the outer wall of the fire-resistant mica tape (13) is wrapped with one layer of shielding aluminum foils (14), and the outer sheath (15) is sleeved on the outer wall of the shielding aluminum foils.

2. The environment-friendly insulated power supply cable according to claim 1, wherein: the core wire (11) comprises a metal reinforcing piece (111), a first conductor (112), a second conductor (113), a third conductor (114) and an inner sheath (115), the first conductor (112), the second conductor (113) and the third conductor (114) are uniformly and alternately wound on the outer wall of the metal reinforcing piece (111) respectively, and the inner sheath (115) is sleeved on the outer walls of the first conductor (112), the second conductor (113) and the third conductor (114).

3. The environment-friendly insulated power supply cable according to claim 2, wherein: foam pellets (116) are filled in gaps among the first conductor (112), the second conductor (113), the third conductor (114) and the inner sheath (115).

4. The environment-friendly insulated power supply cable according to claim 2, wherein: the composition structure of the first conductor (112) is the same as that of the second conductor (113) and the third conductor (114).

5. The environment-friendly insulated power supply cable according to claim 2, wherein: first conductor (112) include first copper line (1121), second copper line (1122), third copper line (1123) and insulating cover (1124), between first copper line (1121), second copper line (1122) and third copper line (1123) each other evenly twine strand wire, and cup jointed insulating cover (1124) on the outer wall of first copper line (1121), second copper line (1122) and third copper line (1123).

6. The environment-friendly insulated power supply cable according to claim 5, wherein: the outer sheath (15), the inner sheath (115) and the insulating sheath (1124) are all members made of cross-linked polyethylene materials.

7. The environment-friendly insulated power supply cable according to claim 6, wherein: the ultimate working temperatures of the outer sheath (15), the inner sheath (115) and the insulating sheath (1124) are respectively-40 ℃ at low temperature and 150 ℃ at high temperature.