Novel cable with good heat dissipation function

Abstract

The utility model relates to the technical field of cables, in particular to a novel cable with a good heat dissipation function, when the novel cable is used, a conductor protection layer assembly reduces a concentrated electric field generated by a cable core, partial discharge between the cable core and a non-woven fabric layer and between the cable core and an insulating layer is avoided, meanwhile, an outer sheath heat dissipation layer dissipates heat generated by the cable core, and the service life of the cable is prolonged. The service life is prolonged; comprising a cable core, a non-woven fabric layer and an insulating layer, the cable core is composed of a plurality of core wires, the non-woven fabric layer is sleeved on the outer side of the cable core, the insulating layer is sleeved on the outer side wall of the non-woven fabric layer, and the cable further comprises an outer sheath heat dissipation layer assembly and a conductor protection layer assembly. A conductor protection layer assembly is arranged among the cable core, the non-woven fabric layer and the outer sheath heat dissipation layer assembly, and the outer side wall of the insulating layer is sleeved with the outer sheath heat dissipation layer assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a new type of cable with good heat dissipation function. Background Art

[0002] Cable refers to materials used for power, communication and related transmission purposes. With the development of society, the scope and occasions of cable use are expanding, and the requirements for cables are also getting higher and higher, which are mainly reflected in comprehensive requirements.

[0003] In the prior art, a patent document with the announcement number CN203799709U discloses a cable, wherein the cable core is provided with multiple layers, and the cable core is provided with a conductor, a foam layer and an insulation layer from the inside to the outside; the outside of the cable core is provided with a filling layer, a shielding layer, a wrapping layer, a metal protective layer and an outer sheath in sequence; the material of the insulation layer and the outer sheath is any one of LCP, PI and PTFE, and the materials of the two can be the same or different.

[0004] During use, it was found that the heat dissipation of the above device was poor, which affected its service life. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a new type of cable with improved service life and good heat dissipation function.

[0006] The utility model discloses a new type of cable with good heat dissipation function, comprising a cable core, a non-woven fabric layer and an insulating layer, the cable core being composed of multiple core wires, a non-woven fabric layer being sheathed on the outer side of the cable core, an insulating layer being sheathed on the outer side wall of the non-woven fabric layer, an outer sheath heat dissipation layer component and a conductor protection layer component, a conductor protection layer component being arranged between the cable core, the non-woven fabric layer and the outer sheath heat dissipation layer component, and an outer sheath heat dissipation layer component being sheathed on the outer side wall of the insulating layer; when in use, the conductor protection layer component reduces the concentrated electric field generated by the cable core, avoids local discharge between the cable core and the non-woven fabric layer and the insulating layer, and at the same time, the outer sheath heat dissipation layer dissipates the heat generated by the cable core, thereby improving the service life.

[0007] Preferably, the conductor protective layer assembly includes a semiconductor layer and a steel belt layer, the semiconductor layer is arranged between the cable core and the non-woven fabric layer, and the steel belt layer is arranged between the insulation layer and the outer sheath heat dissipation layer assembly; when the cable core causes electric field concentration, the semiconductor layer and the cable core are at the same potential and are in good contact with the non-woven fabric layer and the insulation layer, thereby avoiding local discharge between the cable core and the non-woven fabric layer and the insulation layer, thereby improving the service life. At the same time, the steel belt layer improves the overall cable's ability to resist impact and prevent rats from gnawing, thereby improving the service life.

[0008] Preferably, the outer sheath heat dissipation layer assembly includes an outer sheath layer and slots, wherein the inner side wall of the outer sheath layer is circumferentially provided with multiple groups of slots, and the outer sheath layer is sleeved on the outer side wall of the steel belt layer; the heat generated by the cable core enters the multiple groups of slots through heat transfer, and the hot air in the multiple groups of slots increases the contact area with the cold air outside the outer sheath layer, thereby improving the heat dissipation efficiency.

[0009] Preferably, a filler is further included, and the filler is provided between the cable core and the non-woven fabric layer; the non-woven fabric layer fixes the cable core with the cooperation of the filler, fixes the multiple core wires in the cable core, and improves the firmness.

[0010] Preferably, the outer sheath layer is made of polyethylene; high-density polyethylene in polyethylene has excellent thermal conductivity, which helps to quickly transfer heat.

[0011] Preferably, the core wire is a copper alloy; the copper alloy combines the excellent conductivity of copper with the advantages of other metals to improve cost performance.

[0012] Compared with the prior art, the beneficial effects of the present invention are: when in use, the conductor protective layer assembly reduces the concentrated electric field generated by the cable core, avoids local discharge between the cable core and the non-woven fabric layer and the insulation layer, and at the same time the outer sheath heat dissipation layer dissipates the heat generated by the cable core, thereby improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an axonometric structural diagram of the present utility model;

[0014] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 3 It is an enlarged structural diagram of the structure including the non-woven fabric layer and the steel belt layer;

[0016] Figure 4 yes Figure 3 A partial enlarged structural diagram of the middle part;

[0017] Figure 5 It is an enlarged structural diagram of the outer sheath layer structure.

[0018] Markings in the accompanying drawings: 1, cable core; 2, non-woven fabric layer; 3, insulation layer; 4, semiconductor layer; 5, steel belt layer; 6, outer sheath layer; 7, notch; 8, filler. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0020] Example 1

[0021] like Figures 1 to 3 As shown, the utility model is a new type of cable with good heat dissipation function, including a cable core 1, a non-woven fabric layer 2 and an insulating layer 3. The cable core 1 is composed of multiple core wires, the non-woven fabric layer 2 is sheathed on the outside of the cable core 1, and the outer wall of the non-woven fabric layer 2 is sheathed on the insulating layer 3. It also includes an outer sheath heat dissipation layer assembly and a conductor protection layer assembly. A conductor protection layer assembly is arranged between the cable core 1, the non-woven fabric layer 2 and the outer sheath heat dissipation layer assembly, and the outer wall of the insulating layer 3 is sheathed on the outer sheath heat dissipation layer assembly;

[0022] like Figures 1 to 4 As shown, the conductor protection layer assembly includes a semiconductor layer 4 and a steel tape layer 5. The semiconductor layer 4 is set between the cable core 1 and the non-woven fabric layer 2, and the steel tape layer 5 is set between the insulation layer 3 and the outer sheath heat dissipation layer assembly;

[0023] like Figure 2 and Figure 5 As shown, the outer jacket heat dissipation layer assembly includes an outer jacket layer 6 and notches 7 . The inner side wall of the outer jacket layer 6 is circumferentially provided with multiple groups of notches 7 . The outer jacket layer 6 is sleeved on the outer side wall of the steel belt layer 5 .

[0024] In this embodiment, when the cable core 1 causes electric field concentration, the semiconductor layer 4 is at the same potential as the cable core 1 and is in good contact with the non-woven fabric layer 2 and the insulating layer 3, thereby avoiding local discharge between the cable core 1 and the non-woven fabric layer 2 and the insulating layer 3, thereby improving the service life. At the same time, the steel belt layer 5 improves the overall cable's ability to withstand impact and prevent rats from gnawing, thereby improving the service life. The heat generated by the cable core 1 enters the multiple groups of slots 7 through heat transfer. The hot air in the multiple groups of slots 7 increases the contact area with the cold air outside the outer sheath layer 6, thereby improving the heat dissipation efficiency.

[0025] Example 2

[0026] like Figures 1 to 3As shown, the utility model is a new type of cable with good heat dissipation function, including a cable core 1, a non-woven fabric layer 2 and an insulating layer 3. The cable core 1 is composed of multiple core wires, the non-woven fabric layer 2 is sheathed on the outside of the cable core 1, and the outer wall of the non-woven fabric layer 2 is sheathed on the insulating layer 3. It also includes an outer sheath heat dissipation layer assembly and a conductor protection layer assembly. A conductor protection layer assembly is arranged between the cable core 1, the non-woven fabric layer 2 and the outer sheath heat dissipation layer assembly, and the outer wall of the insulating layer 3 is sheathed on the outer sheath heat dissipation layer assembly;

[0027] like Figures 1 to 4 As shown, the conductor protection layer assembly includes a semiconductor layer 4 and a steel tape layer 5. The semiconductor layer 4 is set between the cable core 1 and the non-woven fabric layer 2, and the steel tape layer 5 is set between the insulation layer 3 and the outer sheath heat dissipation layer assembly;

[0028] like Figure 2 and Figure 5 As shown, the outer jacket heat dissipation layer assembly includes an outer jacket layer 6 and notches 7. The inner side wall of the outer jacket layer 6 is circumferentially provided with multiple groups of notches 7. The outer jacket layer 6 is sleeved on the outer side wall of the steel belt layer 5.

[0029] like Figure 3 and Figure 4 As shown, a filler 8 is further included, and the filler 8 is arranged between the cable core 1 and the non-woven fabric layer 2.

[0030] In this embodiment, when the cable core 1 causes electric field concentration, the semiconductor layer 4 is at the same potential as the cable core 1 and is in good contact with the non-woven fabric layer 2 and the insulating layer 3, thereby avoiding local discharge between the cable core 1 and the non-woven fabric layer 2 and the insulating layer 3, thereby improving the service life. At the same time, the steel belt layer 5 improves the overall cable's ability to withstand impact and prevent rats from gnawing, thereby improving the service life. The heat generated by the cable core 1 enters the multiple groups of slots 7 through heat transfer. The hot air in the multiple groups of slots 7 increases the contact area with the cold air outside the outer sheath layer 6. A filler 8 is provided between the non-woven fabric layer 2 and the cable core 1. The filler 8 fixes the cable core 1 and fixes the multiple groups of core wires in the cable core 1.

[0031] The core wire of the new cable with good heat dissipation function of the utility model is purchased on the market, and technicians in this industry only need to install and operate it according to the accompanying instruction manual without the need for technical personnel in this field to make creative work.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A new type of cable with good heat dissipation function, comprising a cable core (1), a non-woven fabric layer (2) and an insulating layer (3), wherein the cable core (1) is composed of a plurality of core wires, the outer side of the cable core (1) is sheathed with a non-woven fabric layer (2), and the outer side wall of the non-woven fabric layer (2) is sheathed with an insulating layer (3), characterized in that: It also includes an outer sheath heat dissipation layer component and a conductor protection layer component. The conductor protection layer component is arranged between the cable core (1), the non-woven fabric layer (2) and the outer sheath heat dissipation layer component, and the outer side wall of the insulation layer (3) is covered with the outer sheath heat dissipation layer component.

2. A new type of cable with good heat dissipation function as claimed in claim 1, characterized in that: The conductor protection layer assembly comprises a semiconductor layer (4) and a steel tape layer (5); the semiconductor layer (4) is sheathed between the cable core (1) and the non-woven fabric layer (2); and the steel tape layer (5) is sheathed between the insulation layer (3) and the outer sheath heat dissipation layer assembly.

3. A new type of cable with good heat dissipation function as claimed in claim 2, characterized in that: The outer sheath heat dissipation layer assembly comprises an outer sheath layer (6) and notches (7), wherein the inner side wall of the outer sheath layer (6) is circumferentially provided with a plurality of groups of notches (7), and the outer sheath layer (6) is sleeved on the outer side wall of the steel strip layer (5).

4. A new type of cable with good heat dissipation function as claimed in claim 1, characterized in that: It also includes a filler (8), which is arranged between the cable core (1) and the non-woven fabric layer (2).

5. A new type of cable with good heat dissipation function as claimed in claim 3, characterized in that: The outer sheath layer (6) is made of polyethylene.

6. A new type of cable with good heat dissipation function as claimed in claim 1, characterized in that: The core wire is made of copper alloy.

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