CN215770602U - Flame-retardant power cable with crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath - Google Patents
Flame-retardant power cable with crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath Download PDFInfo
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- CN215770602U CN215770602U CN202121762658.8U CN202121762658U CN215770602U CN 215770602 U CN215770602 U CN 215770602U CN 202121762658 U CN202121762658 U CN 202121762658U CN 215770602 U CN215770602 U CN 215770602U
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Abstract
The utility model discloses a crosslinked polyethylene insulated steel strip armored polyvinyl chloride sheath flame-retardant power cable, which comprises a main body component, a protection component and a compression-resistant component: the main body assembly comprises a first crosslinked polyethylene insulating layer, a heat insulation plate, a conductor and a second crosslinked polyethylene insulating layer; a protective component is sleeved on the outer side of the first crosslinked polyethylene insulating layer; a pressure-resistant component is arranged inside the protection component; when the power cable is mechanically pressed, the first compression-resistant layer is firstly extruded by pressure, the second connecting plate is extruded by the first compression-resistant layer through the connecting rods, the second connecting plate is connected with the first connecting plate, the first connecting plate is connected with the second compression-resistant layer, the first connecting plate and the second connecting plate are both arc-shaped and have good compression-resistant effect, and the compression-resistant performance of the power cable is greatly improved by matching with the steel tape armor layer, so that the requirements of people are met.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a flame-retardant power cable with a cross-linked polyethylene insulating steel tape armored polyvinyl chloride sheath.
Background
A wire made of one or more mutually insulated conductors and an outer insulating protective layer for transmitting power or information from one place to another;
the power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.
The basic structure of the power cable is composed of four parts, namely a wire core (conductor), an insulating layer, a shielding layer and a protective layer. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy.
There are also problems with the use of power cables:
in the use process of the power cable, in order to avoid mechanical loss, a steel tape armor layer is often arranged inside the cable, however, in the mode of only using the steel tape armor layer to protect the power cable, the tensile property and the compressive property are not good, and the effect cannot completely meet the requirements of people on the power cable;
therefore, the flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cross-linked polyethylene insulated steel strip armored polyvinyl chloride sheath flame-retardant power cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: fire-retardant power cable of insulating steel band armor polyvinyl chloride sheath of crosslinked polyethylene, including main part subassembly, protection component and resistance to compression subassembly:
the main body assembly comprises a first crosslinked polyethylene insulating layer, a heat insulation plate, a conductor and a second crosslinked polyethylene insulating layer;
a protective component is sleeved on the outer side of the first crosslinked polyethylene insulating layer;
a pressure-resistant component is arranged inside the protection component;
the compression-resistant assembly comprises a first compression-resistant layer, a second compression-resistant layer, a first connecting plate, a second connecting plate, a connecting rod, a first through hole and a second through hole;
first resistance to compression layer cover is located the outside on second resistance to compression layer, the even integrated into one piece in the outside on second resistance to compression layer has first connecting plate, the outside symmetry integrated into one piece of first connecting plate has three second connecting plate, the outside integrated into one piece of second connecting plate has the connecting rod, the inboard integrated into one piece on connecting rod and first resistance to compression layer.
Preferably: the heat insulation plate is bonded inside the first crosslinked polyethylene insulation layer, and a conductor is arranged inside the first crosslinked polyethylene insulation layer and outside the heat insulation plate.
Preferably: and a second crosslinked polyethylene insulating layer is sleeved outside the conductor.
Preferably: the protection assembly comprises a polyvinyl chloride sheath flame-retardant layer, a steel strip armor layer, a graphene heat conduction layer and a heat dissipation layer;
preferably: and a heat dissipation layer is sleeved on the outer side of the first crosslinked polyethylene insulation layer.
Preferably: the outside cover on heat dissipation layer is equipped with graphite alkene heat-conducting layer.
Preferably: the outside cover of graphite alkene heat-conducting layer is equipped with the steel band armor.
Preferably: the outer side cover of steel band armor layer is equipped with the resistance to compression subassembly, the outer side cover of resistance to compression subassembly is equipped with the fire-retardant layer of polyvinyl chloride sheath.
Preferably: second through holes are uniformly formed in the outer side of the first pressure resistant layer, and first through holes are uniformly formed in the outer side of the second pressure resistant layer.
Compared with the prior art, the utility model has the beneficial effects that:
when the power cable is mechanically pressed, the first compression-resistant layer is firstly extruded by pressure, the second connecting plate is extruded by the first compression-resistant layer through a plurality of connecting rods, the second connecting plate is connected with the first connecting plate, the first connecting plate is connected with the second compression-resistant layer, the first connecting plate and the second connecting plate are both arc-shaped and have good compression-resistant effect, and the compression-resistant performance of the power cable is greatly improved by matching with a steel tape armor layer, so that the requirements of people are met;
the heat generated in the process is not interacted in the first crosslinked polyethylene insulating layer but conducted to the heat dissipation layer due to the limitation of the heat insulation plate, and then is dissipated to the outside through the graphene heat conduction layer.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first anti-stiction layer according to the present invention;
FIG. 3 is a schematic structural view of a second anti-crush layer in accordance with the present invention;
FIG. 4 is a schematic structural diagram of the first anti-crush layer in another view.
In the figure: 10. a body assembly; 11. a first crosslinked polyethylene insulating layer; 12. a heat insulation plate; 13. a conductor; 14. a second crosslinked polyethylene insulating layer; 20. a guard assembly; 21. a polyvinyl chloride sheath flame retardant layer; 22. a steel tape armor layer; 23. a graphene heat conducting layer; 24. a heat dissipation layer; 30. a compression resistant assembly; 31. a first pressure resistant layer; 32. a second compressive layer; 33. a first connecting plate; 34. a second connecting plate; 35. a connecting rod; 36. a first through hole; 37. a second via.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: fire-retardant power cable of insulating steel band armor polyvinyl chloride sheath of crosslinked polyethylene, including main part subassembly 10, protection component 20 and resistance to compression subassembly 30:
the body assembly 10 includes a first crosslinked polyethylene insulating layer 11, an insulation board 12, a conductor 13, and a second crosslinked polyethylene insulating layer 14;
the outer side of the first crosslinked polyethylene insulating layer 11 is sleeved with a protective component 20;
the interior of the protection component 20 is provided with a pressure-resistant component 30;
the compression-resistant assembly 30 comprises a first compression-resistant layer 31, a second compression-resistant layer 32, a first connecting plate 33, a second connecting plate 34, a connecting rod 35, a first through hole 36 and a second through hole 37;
first anti pressure layer 31 cover is located the outside of second anti pressure layer 32, and the even integrated into one piece in the outside of second anti pressure layer 32 has first connecting plate 33, and the outside symmetry integrated into one piece of first connecting plate 33 has three second connecting plate 34, and the outside integrated into one piece of second connecting plate 34 has connecting rod 35, connecting rod 35 and the inboard integrated into one piece of first anti pressure layer 31.
In this embodiment, specifically: a heat insulation plate 12 is bonded inside the first crosslinked polyethylene insulation layer 11, and a conductor 13 is arranged inside the first crosslinked polyethylene insulation layer 11 and outside the heat insulation plate 12; the heat insulation plate 12 is arranged in the first crosslinked polyethylene insulation layer 11 to separate the plurality of conductors 13, so that heat interaction among the plurality of conductors 13 is prevented, and overhigh internal temperature is avoided, and the first crosslinked polyethylene insulation layer 11 is used for insulation.
In this embodiment, specifically: a second crosslinked polyethylene insulating layer 14 is sleeved outside the conductor 13; the second crosslinked polyethylene insulating layer 14 is sleeved outside the conductor 13, fills the inside of the first crosslinked polyethylene insulating layer 11 and has an insulating effect.
In this embodiment, specifically: the protective component 20 comprises a polyvinyl chloride sheath flame-retardant layer 21, a steel tape armor layer 22, a graphene heat conduction layer 23 and a heat dissipation layer 24;
the heat dissipation layer 24 is sleeved outside the first crosslinked polyethylene insulation layer 11; through the arrangement, heat generated by the conductor 13 during operation can be quickly dissipated to the outside through the heat dissipation layer 24, and the heat dissipation layer 24 is made of copper.
In this embodiment, specifically: the graphene heat conduction layer 23 is sleeved on the outer side of the heat dissipation layer 24; through setting up graphite alkene heat-conducting layer 23, can conduct the heat that gives out through heat dissipation layer 24 to the external world fast.
In this embodiment, specifically: a steel tape armor layer 22 is sleeved on the outer side of the graphene heat conduction layer 23; has tensile and compressive resistance.
In this embodiment, specifically: the outer side of the steel tape armor layer 22 is sleeved with a compression-resistant assembly 30, and the outer side of the compression-resistant assembly 30 is sleeved with a polyvinyl chloride sheath flame-retardant layer 21; the compressive strength of the steel-tape armor layer 22 is further enhanced by the compressive component 30, and the first compressive layer 31 and the second compressive layer 32 are made of metal, specifically copper, so that the tensile resistance is ensured, and meanwhile, the heat dissipation effect is improved.
In this embodiment, specifically: second through holes 37 are uniformly formed in the outer side of the first pressure resistant layer 31, and first through holes 36 are uniformly formed in the outer side of the second pressure resistant layer 32; second through-hole 37 and first through-hole 36 are used for making the heat that graphite alkene heat-conducting layer 23 distributed can pass through resistance to compression subassembly 30 fast, and through seting up first through-hole 36 and second through-hole 37, can reduce the total weight of resistance to compression subassembly 30, and can not influence the compressive property of resistance to compression subassembly 30.
Working principle or structural principle, when in use, the electric power is transmitted through the conductor 13, the heat generated in the process is not interacted inside the first crosslinked polyethylene insulating layer 11 due to the limitation of the heat insulation plate 12, but is conducted to the heat dissipation layer 24 and then is dissipated to the outside through the graphene heat conduction layer 23, in the process, the first through hole 36 and the second through hole 37 which are formed in the compression-resistant assembly 30 are used for enabling the heat to be rapidly dissipated to the outside, and finally, the flame retardance is carried out through the polyvinyl chloride sheath flame-retardant layer 21, meanwhile, when the power cable is mechanically pressed, the pressure firstly presses the first compression-resistant layer 31, a gap is formed between the first compression-resistant layer 31 and the second compression-resistant layer 32 to provide a deformation space of the first compression-resistant layer 31, meanwhile, the first compression-resistant layer 31 presses the second connecting plate 34 through the plurality of connecting rods 35, the second connecting plate 34 is connected with the first connecting plate 33, first connecting plate 33 is connected second and is resisted pressure layer 32, and first connecting plate 33 and second connecting plate 34's shape is the arc, and the resistance to compression is effectual, deuterogamies steel band armor 22, improves this power cable's compressive property by a wide margin, satisfies people's demand.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Fire-retardant power cable of insulating steel band armor polyvinyl chloride sheath of crosslinked polyethylene, including main part subassembly (10), protection component (20) and resistance to compression subassembly (30), its characterized in that:
the main body component (10) comprises a first crosslinked polyethylene insulating layer (11), a heat insulation plate (12), a conductor (13) and a second crosslinked polyethylene insulating layer (14);
the outer side of the first crosslinked polyethylene insulating layer (11) is sleeved with a protective component (20);
a pressure-resistant component (30) is arranged inside the protection component (20);
the compression-resistant assembly (30) comprises a first compression-resistant layer (31), a second compression-resistant layer (32), a first connecting plate (33), a second connecting plate (34), a connecting rod (35), a first through hole (36) and a second through hole (37);
the outside on second anti-pressure layer (32) is located to first anti-pressure layer (31) cover, the even integrated into one piece in outside on second anti-pressure layer (32) has first connecting plate (33), the outside symmetry integrated into one piece of first connecting plate (33) has three second connecting plate (34), the outside integrated into one piece of second connecting plate (34) has connecting rod (35), the inboard integrated into one piece of connecting rod (35) and first anti-pressure layer (31).
2. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 1, is characterized in that: a heat insulation plate (12) is bonded inside the first crosslinked polyethylene insulation layer (11), and a conductor (13) is arranged inside the first crosslinked polyethylene insulation layer (11) and outside the heat insulation plate (12).
3. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 1, is characterized in that: and a second crosslinked polyethylene insulating layer (14) is sleeved outside the conductor (13).
4. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 1, is characterized in that: the protection assembly (20) comprises a polyvinyl chloride sheath flame-retardant layer (21), a steel strip armor layer (22), a graphene heat conduction layer (23) and a heat dissipation layer (24);
and a heat dissipation layer (24) is sleeved on the outer side of the first crosslinked polyethylene insulation layer (11).
5. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 4, is characterized in that: the outside cover of heat dissipation layer (24) is equipped with graphite alkene heat-conducting layer (23).
6. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 4, is characterized in that: the outer side of the graphene heat conduction layer (23) is sleeved with a steel strip armor layer (22).
7. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 4, is characterized in that: the outer side of the steel tape armor layer (22) is sleeved with a compression-resistant assembly (30), and the outer side of the compression-resistant assembly (30) is sleeved with a polyvinyl chloride sheath flame-retardant layer (21).
8. The flame-retardant power cable with the crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath according to claim 1, is characterized in that: second through holes (37) are uniformly formed in the outer side of the first pressure resistant layer (31), and first through holes (36) are uniformly formed in the outer side of the second pressure resistant layer (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762658.8U CN215770602U (en) | 2021-07-30 | 2021-07-30 | Flame-retardant power cable with crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762658.8U CN215770602U (en) | 2021-07-30 | 2021-07-30 | Flame-retardant power cable with crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215770602U true CN215770602U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121762658.8U Active CN215770602U (en) | 2021-07-30 | 2021-07-30 | Flame-retardant power cable with crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215770602U (en) |
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2021
- 2021-07-30 CN CN202121762658.8U patent/CN215770602U/en active Active
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