CN213424667U

CN213424667U - Low-smoke halogen-free power cable

Info

Publication number: CN213424667U
Application number: CN202022974805.XU
Authority: CN
Inventors: 王龙彪
Original assignee: Longlan Cable Co ltd
Current assignee: Longlan Cable Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-11
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a low smoke and zero halogen power cable, which comprises an outer package component and a protection component, wherein the protection component is arranged on the inner circumferential surface of the outer package component, the protection component is twisted into a strand by a first tension cable, a second tension cable and a third tension cable and forms a net structure, the inner wall of a halogen insulating layer is attached to improve the tensile property of the whole cable, one side of a compression resistant rod is provided with a buffer layer, the inner wall of the buffer layer is attached to the outer circumferential surface of a cable core, the compression resistant rods are mutually matched to form a triangle structure, one end of each compression resistant rod is attached to the inner circumferential surface of the tensile resistant layer, the buffer layer is a component made of rubber materials, the buffer layer supports and bears force when the cable is extruded and stacked by the compression resistant rod, the buffer layer and the tensile resistant layer are matched, the inner cable core is protected, the phenomenon of extrusion and abrasion of the enameled outer wall of the cable core is, the fireproof performance of the cable is improved while the pressure is buffered.

Description

Low-smoke halogen-free power cable

Technical Field

The utility model relates to the technical field of cables, specifically a low smoke and zero halogen power cable.

Background

The low-smoke halogen-free cable is an insulating layer material halogen substance of the cable, does not release halogen-containing gas under the condition of combustion, and has low smoke concentration.

Present low smoke and zero halogen power cable tensile strength and resistance to compression are relatively poor, carry out the in-process of lapping transportation, form extrusion thrust between the cable, and inside cable core produces extrusion friction easily, causes the problem of the enameled outer wall wearing and tearing of cable core.

To solve the above problems. Therefore, a low-smoke halogen-free power cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low smoke and zero halogen power cable to it is relatively poor to have solved among the prior art low smoke and zero halogen power cable tensile strength and resistance to compression, is carrying out the in-process of lapping transportation, forms the extrusion between the cable and pushes away long-pending, and inside cable core produces the extrusion friction easily, causes the problem of the enameled outer wall wearing and tearing of cable core.

In order to achieve the above object, the utility model provides a following technical scheme: a low-smoke halogen-free power cable comprises an outer wrapping component and a protection component, wherein the protection component is arranged on the inner circumferential surface of the outer wrapping component, the outer wrapping component comprises a halogen insulating layer and a tensile layer, and the halogen insulating layer is arranged on the outer circumferential surface of the tensile layer;

the shielding assembly comprises a shielding part and a cable core, wherein the cable core is clamped in an inner cavity of the shielding part.

Preferably, the tensile layer comprises a first tensile cord, a second tensile cord and a third tensile cord, and the first tensile cord, the second tensile cord and the third tensile cord are twisted into strands and form a net structure.

Preferably, the first tensile cord is a member made of a glass fiber material, the second tensile cord is a member made of a ceramic fiber material, and the third tensile cord is a member made of a steel material.

Preferably, the protection piece comprises a compression resistant rod and a buffer layer, the buffer layer is arranged on one side of the compression resistant rod, and the inner wall of the buffer layer is attached to the outer circumferential surface of the cable core.

Preferably, the compression resistant rods are matched with each other to form a triangular structure, and one end of each compression resistant rod is attached to the inner circumferential surface of the tensile layer.

Preferably, the buffer layer is a member made of a rubber material, and the inside of the buffer layer is filled with an inert gas.

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

1. the utility model provides a low smoke and zero halogen power cable, through first pulling force cable, second pulling force cable and third pulling force cable strand each other, and constitute a network structure, the laminating sets up the holistic pull resistance of inner wall improvement cable at halogen insulation layer, first pulling force cable is the component that a glass fiber material was made, the component that the second pulling force cable was made for a ceramic fiber material, the component that third pulling force cable was made for a steel, glass fiber is splendid with ceramic fiber's texture toughness, when the holistic pull resistance of guarantee cable, improve holistic heat-proof quality and alleviate self weight, the finest third pulling force cable of cooperation, when reducing weight, further tamp the holistic pull resistance of cable.

2. The utility model provides a low smoke and zero halogen power cable, one side of resistance to compression pole sets up the buffer layer, and the inner wall of buffer layer and the outer periphery of cable core laminate mutually, resistance to compression pole mutually supports and constitutes a three horn-shaped structure, and the one end of resistance to compression pole laminates with the inner circumference of tensile layer mutually, the buffer layer is the component that a rubber material was made, support the atress when the cable extrusion is piled up through resistance to compression pole, deuterogamy buffer layer and tensile layer, protect the cable core of inside, avoid the enameled wire wall of cable core to appear the phenomenon of extrusion wear, the inside packing of buffer layer has inert gas, when buffering pressure, improve the fire behavior of cable.

Drawings

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

fig. 2 is a schematic view of the three-dimensional structure of the tensile layer of the present invention;

fig. 3 is a schematic perspective view of the first, second and third guy cables of the present invention in a twisted state;

fig. 4 is a perspective view of the protection member of the present invention.

In the figure: 1. an outsourcing component; 11. a halogen insulating layer; 12. a tensile layer; 121. a first tensile cord; 122. a second tensile cord; 123. a third tensile cord; 2. a guard assembly; 21. a guard; 211. a compression resistant lever; 212. a buffer layer; 22. and a cable core.

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. 1-4, a low smoke and zero halogen power cable includes an outer covering assembly 1 and a protection assembly 2, the protection assembly 2 is disposed on an inner circumferential surface of the outer covering assembly 1, the outer covering assembly 1 includes a halogen insulating layer 11 and a tensile layer 12, the halogen insulating layer 11 is disposed on an outer circumferential surface of the tensile layer 12, the protection assembly 2 includes a protection member 21 and a cable core 22, the cable core 22 is clamped in an inner cavity of the protection member 21, the tensile layer 12 includes a first tensile cable 121, a second tensile cable 122 and a third tensile cable 123, the first tensile cable 121, the second tensile cable 122 and the third tensile cable 123 are twisted into a strand, and form a mesh structure, the first tensile cable 121 is a member made of a glass fiber material, the second tensile cable 122 is a member made of a ceramic fiber material, the third tensile cable 123 is a member made of a steel material, the protection member 21 includes a compression resisting rod 211 and a buffer layer 212, the buffer layer 212 is arranged on one side of the compression-resistant rod 211, the inner wall of the buffer layer 212 is attached to the outer circumferential surface of the cable core 22, the compression-resistant rod 211 is matched with each other to form a triangular structure, one end of the compression-resistant rod 211 is attached to the inner circumferential surface of the compression-resistant layer 12, the buffer layer 212 is a member made of rubber, inert gas is filled in the buffer layer 212, the buffer layer is stranded by the first tension cable 121, the second tension cable 122 and the third tension cable 123 to form a net-shaped structure, the tensile strength of the whole cable is improved by attaching the buffer layer 212 to the inner wall of the halogen insulation layer 11, the first tension cable 121 is a member made of glass fiber, the second tension cable 122 is a member made of ceramic fiber, the third tension cable 123 is a member made of steel, the texture toughness of the glass fiber and the ceramic fiber is excellent, the tensile strength of the whole cable is ensured, the cable is characterized in that the overall heat insulation performance is improved, the weight of the cable is reduced, the finest third tension cable 123 is matched, the overall tensile performance of the cable is further tamped, the buffer layer 212 is arranged on one side of the compression rod 211, the inner wall of the buffer layer 212 is attached to the outer circumferential surface of the cable core 22, the compression rod 211 is matched with each other to form a triangular structure, one end of the compression rod 211 is attached to the inner circumferential surface of the tensile layer 12, the buffer layer 212 is a component made of rubber, the compression rod 211 supports and bears force when the cable is extruded and stacked, the buffer layer 212 and the tensile layer 12 are matched to protect the cable core 22 inside, the phenomenon that extrusion abrasion occurs on the outer wall of an enamelled cable core 22 is avoided, inert gas is filled in the buffer layer 212, and the fireproof performance of the cable is improved while pressure is buffered.

In summary, the following steps: the utility model provides a low smoke and zero halogen power cable, including outsourcing subassembly 1 and protection component 2, protection component 2 sets up the interior circumference of outsourcing subassembly 1, through first pulling force cable 121, second pulling force cable 122 and third pulling force cable 123 strand each other, and constitute a network structure, the laminating sets up the inner wall that improves the holistic pull resistance of cable in halogen insulation layer 11, first pulling force cable 121 is the component that a glass fiber material was made, second pulling force cable 122 is the component that a ceramic fiber material was made, third pulling force cable 123 is the component that a steel matter was made, glass fiber and ceramic fiber's texture toughness is splendid, when guaranteeing the holistic pull resistance of cable, improve holistic heat-proof quality and alleviate self weight, cooperate the finest third pulling force cable 123, when reducing the weight, further tamp the holistic pull resistance of cable, one side of the compression-resistant rod 211 is provided with a buffer layer 212, the inner wall of the buffer layer 212 is attached to the outer circumferential surface of the cable core 22, the compression-resistant rod 211 is matched with each other to form a triangular structure, one end of the compression-resistant rod 211 is attached to the inner circumferential surface of the tension-resistant layer 12, the buffer layer 212 is a component made of rubber, the compression-resistant rod 211 supports and bears force when the cable is extruded and stacked, the buffer layer 212 and the tension-resistant layer 12 are matched to protect the cable core 22 inside, the phenomenon of extrusion abrasion of the enameled outer wall of the cable core 22 is avoided, inert gas is filled in the buffer layer 212, and the compression-resistant performance of the cable is improved while pressure is buffered.

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 a low smoke and zero halogen power cable, includes outsourcing subassembly (1) and protection component (2), protection component (2) set up the interior circumference of outsourcing subassembly (1), its characterized in that: the outer wrapping component (1) comprises a halogen insulating layer (11) and a tensile layer (12), wherein the halogen insulating layer (11) is arranged on the outer circumferential surface of the tensile layer (12);

the protection assembly (2) comprises a protection part (21) and a cable core (22), wherein the cable core (22) is clamped in an inner cavity of the protection part (21).

2. A low smoke zero halogen power cable according to claim 1, characterized in that: the tensile layer (12) comprises a first tensile cable (121), a second tensile cable (122) and a third tensile cable (123), and the first tensile cable (121), the second tensile cable (122) and the third tensile cable (123) are stranded with each other and form a net-shaped structure.

3. A low smoke zero halogen power cable according to claim 2, characterized in that: the first tension cable (121) is a member made of a glass fiber material, the second tension cable (122) is a member made of a ceramic fiber material, and the third tension cable (123) is a member made of a steel material.

4. A low smoke zero halogen power cable according to claim 1, characterized in that: the protection piece (21) comprises a compression resistant rod (211) and a buffer layer (212), the buffer layer (212) is arranged on one side of the compression resistant rod (211), and the inner wall of the buffer layer (212) is attached to the outer circumferential surface of the cable core (22).

5. A low smoke zero halogen power cable according to claim 4, characterized in that: the compression resistant rods (211) are matched with each other to form a triangular structure, and one end of each compression resistant rod (211) is attached to the inner circumferential surface of the tensile layer (12).

6. A low smoke zero halogen power cable according to claim 4, characterized in that: the buffer layer (212) is a member made of rubber materials, and inert gas is filled in the buffer layer (212).