CN215377044U

CN215377044U - Flame-retardant heat-dissipation composite RVVP cable

Info

Publication number: CN215377044U
Application number: CN202121203430.5U
Authority: CN
Inventors: 王相坤
Original assignee: Kunge Cable Co ltd
Current assignee: Kunge Cable Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-31
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a flame-retardant heat-dissipation composite RVVP cable, wherein a plurality of accommodating grooves and positioning depressions are uniformly arranged on the outer peripheral surface of an anti-torsion framework, a cable core is clamped in the accommodating grooves, positioning protrusions matched with the positioning depressions are arranged on the inner peripheral surface of a soft sheath, heat-conducting silica gel is filled between the soft sheath and the cable core and between the soft sheath and the anti-torsion framework, a heat-conducting layer, a copper wire braided shielding layer, a flame-retardant layer and a composite outer sleeve are sequentially arranged outside the soft sheath from inside to outside, a plurality of heat-dissipation fins are arranged on two opposite surfaces of the heat-conducting layer and the soft sheath, and a plurality of grooves or protrusions are arranged on the heat-dissipation fins. This compound RVVP cable of fire-retardant heat dissipation is provided with a plurality of heat radiation fins on heat-conducting layer and the relative two surfaces of soft sheath, when not losing RVVP cable antitorque performance, improves the outside efficiency of transmitting of the inside heat of RVVP cable, the inside outside heat transfer effect of cable of assurance, improves RVVP cable's service quality and safety.

Description

Flame-retardant heat-dissipation composite RVVP cable

Technical Field

The utility model relates to the technical field of automobile equipment, in particular to a flame-retardant heat-dissipation composite RVVP cable.

Background

The RVVP cable wire is a cable with a soft conductor PVC insulation wire and an additional shielding layer and a PVC sheath, and compared with the RVV cable wire, the RVVP cable wire has better electromagnetic compatibility characteristic due to the fact that copper wire weaving shielding is adopted, and is particularly suitable for installation places with severe electromagnetic environment and small installation distance. The RVVP cable line product is mainly used for shielding circuits of electric appliances, instruments, electronic equipment, automation devices and the like with the AC rated voltage of 300/300V and below, can be installed in bridges and hoses and is used for indoor installation, and is used for instruments, talkbacks, monitoring, control installation and sound broadcasting.

The existing RVVP cable has the advantages that the reason that the copper wire is additionally arranged to weave the shielding and the PVC composite outer sleeve thickens the cable core is increased, the reason that the cable core is thickened is increased, the RVVP cable can be raised due to long-time working temperature due to the two factors in the use of closed environments such as instruments and meters, the heat dissipation effect is poor, the problems of use quality and safety of the RVVP cable are caused, for example, the RVVP cable is melted at high temperature and burnt on the cable core, fire disasters can be caused in serious situations, and the life and property safety of people is seriously threatened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flame-retardant heat-dissipation composite RVVP cable, which solves the problems that the RVVP cable has the phenomena of use quality and safety, high-temperature melting and cable core combustion occur, fire can be caused in serious conditions, and the life and property safety of people is seriously threatened.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a fire-retardant compound cable that dispels heat, includes cable core, antitorque skeleton, soft sheath, heat-conducting layer, copper wire woven shield, fire-retardant layer and compound overcoat, evenly be provided with a plurality of holding tank and location on the outer peripheral face of antitorque skeleton and sunken, the cable core clamps in the holding tank, the inner peripheral surface of soft sheath be provided with the location arch of mutually supporting of location sunken, the soft sheath with the cable core with it has heat conduction silica gel to fill between the antitorque skeleton, the heat-conducting layer the shielding layer is woven to the copper wire fire-retardant layer with compound overcoat sets gradually according to from inside to outside the outside of soft sheath, the heat-conducting layer with be provided with a plurality of heat radiation fins on the relative two surfaces of soft sheath, be provided with a plurality of recesses or arch on the heat radiation fin.

The technical scheme is that the cable core comprises a metal conductor, an insulating layer and a fire-resistant layer, wherein the insulating layer is wrapped outside the metal conductor, and the fire-resistant layer is wrapped outside the insulating layer.

The further technical scheme is that the metal conductor is formed by twisting a plurality of strands of tinned copper wires.

The further technical scheme is that the caliber of the opening of the accommodating groove is smaller than the diameter of the cable core.

The further technical scheme is that the maximum cross section of the cable core is located in the accommodating groove.

The further technical scheme is that the torsion-resistant framework is an insulation column body formed by extrusion molding, and a hollow hole is formed in the insulation column body.

The further technical scheme is that a metal anti-wiredrawing or heat conduction cluster is arranged in the hollow hole.

The further technical scheme is that a heat-conducting filler is arranged between the heat-conducting layer and the soft sheath.

Compared with the prior art, the utility model can at least achieve one of the following beneficial effects:

1. the utility model provides a flame-retardant heat-dissipation composite RVVP cable, which is characterized in that a copper wire braided shield and a PVC composite outer sleeve are added on the basis of the RVVP cable, the cable has better electromagnetic compatibility, a heat conduction layer is arranged between a soft sheath of the RVVP cable and a copper wire braided shield layer, and a plurality of heat dissipation fins are arranged on two opposite surfaces of the heat conduction layer and the soft sheath.

2. Through set up one inside antitorque skeleton that can clamp the multiunit cable core at RVVP cable, can convenient and fast place the cable core in a plurality of recesses that antitorque skeleton peripheral face set up, and it is fixed to carry out the chucking, the flexible RVV cable that has contained the multiunit cable core has been guaranteed like this and has been erect or lay the in-process, can not be because of the reason of walking the line, the self distortion of flexible RVVP cable takes place, and then the inside multiunit cable core that leads to the cable takes place the winding, the phenomenon of cable core mutual extrusion fracture has been prevented, the antitorque performance and the service quality of flexible RVV cable are improved.

Drawings

Fig. 1 is a schematic structural diagram of a flame-retardant heat-dissipation composite RVVP cable according to the present invention.

Reference numerals: 1. a cable core; 1a, a metal conductor; 1b, an insulating layer; 1c, a refractory layer; 2. an anti-torsion framework; 3. a soft sheath; 4. accommodating grooves; 5. positioning the recess; 6. positioning the projection; 7. heat conducting silica gel; 8. a hollow bore; 9. a heat conductive layer; 10. weaving a shielding layer by using copper wires; 11. a flame retardant layer; 12. PVC composite coat; 13. heat dissipation fins; 14. a thermally conductive filler.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, embodiment 1 shows a flame-retardant and heat-dissipating composite RVVP cable, which has better electromagnetic compatibility than RVV cables due to the copper wire braided shield. Therefore, the RVVP cable is particularly suitable for installation places with severe electromagnetic environment and small installation distance, and comprises a cable core 1, an anti-torsion framework 2 and a soft sheath 3, wherein the anti-torsion framework 2 and the soft sheath 3 are both formed by extrusion molding of an extruding machine (the specification and the shape of the anti-torsion framework 2 and the soft sheath are determined according to a machine head die of the extruding machine), the soft sheath 3 is an insulating outer sheath made of PVC (polyvinyl chloride), the anti-torsion framework 2 is an insulating cylinder, a hollow hole 8 is formed in the insulating cylinder, a plurality of accommodating grooves 4 and positioning recesses 5 are uniformly formed in the outer peripheral surface of the anti-torsion framework 2, a plurality of groups of cable cores 1 are clamped in the accommodating grooves 4 one by one, positioning protrusions 6 matched with the positioning recesses 5 are arranged on the inner peripheral surface of the soft sheath 3, the stability of the soft sheath 3 matched with the anti-torsion framework 2 is ensured during cabling, the self-torsion phenomenon of the cable core 1 in the soft sheath 3 is prevented, and heat-conducting silica gel 7 is filled between the soft sheath 3 and the cable core 1 and the anti-torsion framework 2, the heat dissipation performance of the anti-twist flexible RVV cable is improved, in addition, the anti-twist tensile performance of the cable can be enhanced through the anti-twist framework 2, according to the use situation of the anti-twist flexible RVV cable, metal anti-drawing wires or heat conduction bundles can be filled in the hollow hole 8 of the anti-twist framework 2 (but not limited), and the strength or the heat dissipation performance of the cable can also be enhanced.

Meanwhile, the heat conduction layer 9, the copper wire braided shielding layer 10, the flame retardant layer 11 and the PVC composite outer sleeve 12 are sequentially arranged outside the soft sheath 3 from inside to outside, the PVC composite outer sleeve 12 is made of a disclosed heat conduction and insulation polyethylene composite material, the heat conduction layer 9 can be made of a silica gel sheet and the like, a plurality of heat dissipation fins 13 are arranged on two opposite surfaces of the heat conduction layer 9 and the soft sheath 3, and a plurality of grooves or protrusions are arranged on the heat dissipation fins 13. Because the copper wire braided shielding layer 10 and the PVC composite outer sleeve 12 are additionally arranged outside the soft sheath 3, when the cable core 1 works, generated heat cannot be timely transmitted to the outside from the inside, the heat conduction layer 9 is arranged between the soft sheath 3 of the RVVP cable and the copper wire braided shielding layer 10, a plurality of heat dissipation fins 13 are arranged on two opposite surfaces of the heat conduction layer 9 and the soft sheath 3, the heat dissipation fins 13 are arranged in a mutually staggered mode, the heat of the cable core 1 is dispersed and transmitted to the outside as much as possible, the heat transmission efficiency of the cable core inside the RVVP cable is improved while the torsion resistance of the RVVP cable is not lost, the human transmission effect of the inside of the cable to the outside is ensured, and the use quality and the safety of the RVVP cable are improved.

In embodiment 2, cable core 1 includes metal conductor 1a, insulating layer 1b and flame retardant coating 1c, insulating layer 1b cladding is outside metal conductor 1a, flame retardant coating 1c winds the package outside insulating layer 1b, metal conductor 1a is that compound transposition of stranded tinned copper wire forms, compound transposition of stranded tinned copper wire becomes metal conductor 1a, the antitorque performance of cable core 1 has been improved, wind package flame retardant coating 1c outside insulating layer 1b, prevent that lead to the high temperature when cable core 1 overloads, lead to antitorque skeleton 2 to produce the burning phenomenon, cause the fire incident.

In the embodiment 3, the aperture of the opening of the holding groove 4 is smaller than the diameter of the cable core 1, the maximum cross section of the cable core 1 is located in the holding groove 4, so that the cable core 1 can be firmly clamped by the holding groove 4, is not easy to separate, is convenient to cable,

in embodiment 4, the anti-torsion framework 2 is an insulation cylinder formed by extrusion molding, a hollow hole 8 is formed inside the insulation cylinder, and a metal anti-drawing wire or a heat conduction bundle is arranged in the hollow hole 8, the anti-bending tensile property of the flame-retardant heat dissipation composite RVVP cable can be enhanced by the anti-torsion framework 2, and according to the specific use situation of the flame-retardant heat dissipation composite RVVP cable, the metal anti-drawing wire or the heat conduction bundle can be selectively (but not limited to) filled in the hollow hole 8 of the anti-torsion framework 2, so as to enhance the strength or the heat dissipation performance of the cable.

In embodiment 5, the heat conducting filler 14 is arranged between the heat conducting layer 9 and the flexible sheath 3, the heat conducting filler 14 can be an insulating heat conducting material such as gypsum, and the heat conducting layer 9 and the flexible sheath 3 improve the insulating and heat transferring performance of the cable through the heat conducting filler 14.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The flame-retardant heat-dissipation composite RVVP cable is characterized in that: the cable comprises a cable core (1), an anti-torsion framework (2), a soft sheath (3), a heat conducting layer (9), a copper wire braided shielding layer (10), a flame retardant layer (11) and a PVC composite outer sleeve (12), wherein a plurality of accommodating grooves (4) and positioning recesses (5) are uniformly formed in the outer peripheral surface of the anti-torsion framework (2), the cable core (1) is clamped in the accommodating grooves (4), positioning protrusions (6) matched with the positioning recesses (5) are arranged on the inner peripheral surface of the soft sheath (3), heat conducting silica gel (7) are filled between the soft sheath (3) and the cable core (1) and between the soft sheath (3) and the anti-torsion framework (2), the heat conducting layer (9), the copper wire braided shielding layer (10), the flame retardant layer (11) and the PVC composite outer sleeve (12) are sequentially arranged outside the soft sheath (3) from inside to outside, a plurality of radiating fins (13) are arranged on two opposite surfaces of the heat conducting layer (9) and the soft sheath (3), and a plurality of grooves or bulges are arranged on the radiating fins (13).

2. The flame-retardant heat-dissipation composite RVVP cable according to claim 1, characterized in that: the cable core (1) comprises a metal conductor (1a), an insulating layer (1b) and a fireproof layer (1c), wherein the insulating layer (1b) is wrapped outside the metal conductor (1a), and the fireproof layer (1c) is wrapped outside the insulating layer (1 b).

3. The flame-retardant heat-dissipation composite RVVP cable according to claim 2, characterized in that: the metal conductor (1a) is formed by twisting a plurality of strands of tinned copper wires.

4. The flame-retardant heat-dissipation composite RVVP cable according to claim 1, characterized in that: the caliber of the opening of the accommodating groove (4) is smaller than the diameter of the cable core (1).

5. The flame-retardant heat-dissipation composite RVVP cable according to claim 4, characterized in that: the largest cross section of the cable core (1) is located in the accommodating groove (4).

6. The flame-retardant heat-dissipation composite RVVP cable according to claim 1, characterized in that: antitorque skeleton (2) are extrusion molding's insulating cylinder, insulating cylinder inside is provided with cavity hole (8).

7. The flame-retardant heat-dissipation composite RVVP cable according to claim 6, characterized in that: and a metal anti-wiredrawing or heat conduction cluster is arranged in the hollow hole (8).

8. The flame-retardant heat-dissipation composite RVVP cable according to claim 1, characterized in that: and a heat-conducting filler (14) is arranged between the heat-conducting layer (9) and the soft sheath (3).