CN212342326U

CN212342326U - Resistance to compression cable based on flexible protective structure

Info

Publication number: CN212342326U
Application number: CN202020986548.9U
Authority: CN
Inventors: 卢康宁; 程炎军
Original assignee: Anhui Mingfu Cable Co ltd
Current assignee: Anhui Mingfu Cable Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-12
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a compression-resistant cable based on a flexible protection structure, which comprises an outer sheath, a shielding layer, a wrapping layer, a first insulating layer, a fireproof layer and a cable core from outside to inside; a buffer component is arranged between the wrapping layer and the first insulating layer; the buffer assemblies are at least three and are uniformly distributed along the circumferential direction of the first insulating layer. The utility model discloses a resistance to compression cable passes through the flexible buffering of multilayer, can offset most pressure, avoids the cable core to be pressed to deform or even damage, and simultaneously, the iron fiber does not receive the pressure effect, can guarantee permanent shielding ability, and in addition, flexible network frame layer still plays the radiating effect of heat absorption when offsetting pressure, improves cable heat-sinking ability.

Description

Resistance to compression cable based on flexible protective structure

Technical Field

The utility model relates to the technical field of cables, especially, relate to resistance to compression cable based on flexible protective structure.

Background

With the acceleration of economic construction pace and the increase of electric power expansion and resident power consumption, household and building cables are widely applied to occasions such as electric power, communication and the like, the cables are indispensable materials for users in the power utilization process, and with the wide application of electric power, the enhancement of safety awareness of people is accompanied by the application of the cables to various working environments.

The cable often receives external force to roll in daily use, leads to the inner core of cable to paste too tightly, and the cable inner core is directly pressed the deformation even, is pressed absolutely, and the inner core of compression cable still leads to serious consequences such as local heating, shielding layer damage easily. Based on this, how to design a resistance to compression cable based on flexible protective structure is the utility model discloses the technical problem that will solve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide a resistance to compression cable based on flexible protective structure.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

the pressure-resistant cable based on the flexible protection structure comprises an outer sheath, a shielding layer, a wrapping layer, a first insulating layer, a fireproof layer and a cable core from outside to inside;

a buffer component is arranged between the wrapping layer and the first insulating layer; the number of the buffer assemblies is at least three, and the buffer assemblies are uniformly distributed along the circumferential direction of the first insulating layer;

a support rod is arranged between the first insulating layer and the fireproof layer; the support rods are arranged along the radial direction of the cable, one end of each support rod is fixed on the first insulating layer, and the other end of each support rod is fixed on the fireproof layer; the number of the support rods is at least three, and the support rods are uniformly distributed along the circumferential direction of the fireproof layer; iron fibers are filled between the first insulating layer and the fire-proof layer;

a flexible net rack layer is arranged between the fireproof layer and the cable core; the flexible net rack layer is of a honeycomb structure.

Preferably, the compression-resistant cable based on the flexible protection structure comprises a box body, a pressure plate, a pressure rod and an elastic part; the box body is fixed on the first insulating layer; the pressing plate is arranged in the box body in a sliding mode; the elastic piece is arranged between the pressing plate and the first insulating layer; the pressing rod is perpendicular to the pressing plate, one end of the pressing rod is fixed on the pressing plate, and the other end of the pressing rod is fixed on the wrapping layer.

Preferably, the flexible protective structure-based compression-resistant cable and the elastic member are springs.

Preferably, the flexible protective structure-based compression-resistant cable is characterized in that the elastic element is an elastic rubber element; the elastic rubber part is arc-shaped; the number of the elastic rubber parts is two; the arc tops of the two elastic rubber pieces are oppositely arranged.

Preferably, the outer sheath of the pressure-resistant cable based on the flexible protective structure is a halogen-free low-smoke flame-retardant polyolefin material layer.

Preferably, the flexible protective structure-based compression-resistant cable has a shielding layer made of copper fibers.

Preferably, the resistance to compression cable based on flexible protective structure, the wrapping layer is the non-woven fabrics wrapping layer, the non-woven fabrics has the glue that blocks water on the wrapping layer.

Preferably, the first insulating layer is a graphene layer.

Preferably, the fireproof layer of the pressure-resistant cable based on the flexible protective structure is a ceramic composite fireproof layer.

Preferably, the compression-resistant cable based on the flexible protection structure comprises a conductor and an inner insulating layer wrapped outside the conductor, wherein the inner insulating layer is a fluoroplastic ETFE insulating layer.

The utility model has the advantages that: the utility model discloses a resistance to compression cable passes through the flexible buffering of multilayer, can offset most pressure, avoids the cable core to be pressed to deform or even damage, and simultaneously, the iron fiber does not receive the pressure effect, can guarantee permanent shielding ability, and in addition, flexible network frame layer still plays the radiating effect of heat absorption when offsetting pressure, improves cable heat-sinking ability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the buffer assembly of the present invention.

Fig. 3 is another schematic structural diagram of the buffering assembly of the present invention.

Figure 4 is the utility model discloses cable core department structure schematic diagram.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Embodiment 1, referring to fig. 1, 2 and 3, a flexible protective structure-based compression-resistant cable comprises, from outside to inside, an outer sheath 1, a shielding layer 2, a wrapping layer 3, a first insulating layer 4, a fire-proof layer 5 and a cable core 9;

a buffer component 6 is arranged between the wrapping layer 3 and the first insulating layer 4; the number of the buffer assemblies 6 is at least three, and the buffer assemblies are uniformly distributed along the circumferential direction of the first insulating layer 4;

when the cable is stressed, the buffer assembly 6 is used for buffering to offset partial pressure, so that the deformation of the cable is reduced, the cable core 9 is protected, and the cable core 9 is prevented from being crushed.

A support rod 7 is arranged between the first insulating layer 4 and the fireproof layer 5; the support rods 7 are arranged along the radial direction of the cable, one end of each support rod is fixed on the first insulating layer 4, and the other end of each support rod is fixed on the fireproof layer 5; the number of the support rods 7 is at least three, and the support rods are uniformly distributed along the circumferential direction of the fireproof layer 5; iron fibers 41 are filled between the first insulating layer 4 and the fire-proof layer 5;

the supporting rod 7 is arranged along the radial direction of the cable, and the pressure which is not counteracted by the buffer component 6 acts on the supporting rod 7 but does not act on the iron fiber 41, so that the iron fiber 41 is prevented from being damaged to reduce or even lose the shielding capability;

a flexible net frame layer 8 is arranged between the fireproof layer 5 and the cable core 9; the flexible net frame layer 8 is of a honeycomb structure.

A flexible net rack layer 8 is arranged between the fireproof layer 5 and the cable core 6, pressure acting on the support rod 7 is transmitted to the fireproof layer 5 and then acts on the flexible net rack layer 8, and the cable core 9 is protected by further counteracting the pressure through the buffering of the flexible net rack layer 8; in addition, the flexible net frame layer 8 is of a honeycomb structure, has good heat absorption and heat transfer performance, improves the heat dispersion capacity and is beneficial to heat dissipation of the cable core 9;

the utility model discloses a resistance to compression cable passes through the flexible buffering of multilayer, can offset most pressure, avoids the cable core to be pressed to deform or even damage, and simultaneously, the iron fiber does not receive the pressure effect, can guarantee permanent shielding ability, and in addition, flexible network frame layer still plays the radiating effect of heat absorption when offsetting pressure, improves cable heat-sinking ability.

Preferably, the buffer assembly 6 comprises a box body 61, a pressure plate 62, a pressure rod 63 and an elastic piece 64; the box body 61 is fixed on the first insulating layer 4; the pressing plate 62 is slidably mounted in the box body 61; the elastic member 64 is installed between the pressing plate 62 and the first insulating layer 4; the pressure lever 63 is perpendicular to the pressure plate 62, and one end of the pressure lever is fixed on the pressure plate 62 while the other end is fixed on the wrapping layer 3.

Preferably, the elastic member 64 is a spring 64 a.

Preferably, the elastic member 64 is an elastic rubber member 64 b; the elastic rubber piece 64b is arc-shaped; two elastic rubber pieces 64b are provided; the arc tops of the two elastic rubber members 64b are arranged oppositely.

Preferably, the outer sheath 1 is a halogen-free low-smoke flame-retardant polyolefin material layer; the material has the characteristics of no halogen, low smoke, flame retardance and the like, and can prevent the cable from becoming a smoke source to harm personal and property safety under the condition of fire.

Preferably, the shielding layer 2 is a copper fiber; the copper fiber has the function of shielding an electric field and avoids electric field interference; the iron fiber 41 filled between the first insulating layer 4 and the fireproof layer 5 has the function of shielding a magnetic field, so that magnetic field interference is avoided, and the two cooperate with each other to shield electromagnetic interference.

Preferably, the wrapping layer 3 is a non-woven fabric wrapping layer, and water-blocking glue is coated on the non-woven fabric wrapping layer; the waterproof capability of the cable is improved.

Preferably, the first insulating layer 4 is a graphene layer, and has high strength, good thermal conductivity and aging resistance.

Preferably, the fire-proof layer 5 is a ceramic composite fire-proof layer, and has excellent toughness, high temperature resistance and wear resistance.

Preferably, the cable core 9 includes a conductor 91 and an inner insulating layer 92 wrapped outside the conductor 91, and the inner insulating layer 92 is a fluoroplastic ETFE insulating layer, and has high strength and good tensile strength.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The compression-resistant cable based on the flexible protection structure comprises an outer sheath (1), a shielding layer (2), a wrapping layer (3), a first insulating layer (4), a fireproof layer (5) and a cable core (9) from outside to inside; the method is characterized in that:

a buffer component (6) is arranged between the wrapping layer (3) and the first insulating layer (4); the number of the buffer assemblies (6) is at least three, and the buffer assemblies are uniformly distributed along the circumferential direction of the first insulating layer (4);

a support rod (7) is arranged between the first insulating layer (4) and the fireproof layer (5); the support rods (7) are arranged along the radial direction of the cable, one end of each support rod is fixed on the first insulating layer (4), and the other end of each support rod is fixed on the fireproof layer (5); the number of the support rods (7) is at least three, and the support rods are uniformly distributed along the circumferential direction of the fireproof layer (5); iron fibers (41) are filled between the first insulating layer (4) and the fireproof layer (5);

a flexible net rack layer (8) is arranged between the fireproof layer (5) and the cable core (9); the flexible net rack layer (8) is of a honeycomb structure.

2. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the buffer assembly (6) comprises a box body (61), a pressure plate (62), a pressure rod (63) and an elastic piece (64); the box body (61) is fixed on the first insulating layer (4); the pressure plate (62) is slidably arranged in the box body (61); the elastic piece (64) is arranged between the pressing plate (62) and the first insulating layer (4); the pressing rod (63) is perpendicular to the pressing plate (62), one end of the pressing rod is fixed on the pressing plate (62), and the other end of the pressing rod is fixed on the wrapping layer (3).

3. The flexible protective structure-based crush-resistant cable of claim 2, wherein: the elastic piece (64) is a spring (64 a).

4. The flexible protective structure-based crush-resistant cable of claim 2, wherein: the elastic piece (64) is an elastic rubber piece (64 b); the elastic rubber piece (64b) is arc-shaped; the number of the elastic rubber pieces (64b) is two; the arc tops of the two elastic rubber pieces (64b) are arranged oppositely.

5. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the outer sheath (1) is a halogen-free low-smoke flame-retardant polyolefin material layer.

6. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the shielding layer (2) is made of copper fibers.

7. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the wrapping layer (3) is a non-woven fabric wrapping layer, and water-blocking glue is coated on the non-woven fabric wrapping layer.

8. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the first insulating layer (4) is a graphene layer.

9. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the fireproof layer (5) is a ceramic composite fireproof layer.

10. The flexible protective structure-based crush-resistant cable of claim 1, wherein: the cable core (9) comprises a conductor (91) and an inner insulating layer (92) wrapping the outer portion of the conductor (91), wherein the inner insulating layer (92) is a fluoroplastic ETFE insulating layer.