CN216287687U - Anti-cracking flexible cable for communication equipment - Google Patents

Abstract

The utility model provides an anti fracture communication equipment flexible cable, includes the cable body, the cable body includes a plurality of heart yearns, inner insulating layer, filling layer, outer insulating layer and oversheath layer, the inner insulating layer parcel is in the outside of heart yearn, the filling layer parcel is in the outside of inner insulating layer, the outer insulating layer parcel is in the outside of filling layer, the oversheath layer parcel is in the outside of outer insulating layer, the outside of oversheath layer is equipped with sunken rotatory helicitic texture, the oversheath layer is equipped with a plurality of louvres. This application can increase the operational environment who is suitable for and lay the scope of environment.

Description

Anti-cracking flexible cable for communication equipment

Technical Field

The utility model relates to the technical field of cables, in particular to a cracking-resistant flexible cable for communication equipment.

Background

With the rapid development of global communication, 5G communication infrastructure has been widely spread, a large amount of electric energy is required to be supported in a large amount of communication infrastructure, and a large amount of electric energy is transmitted by using a power line with excellent performance as a medium, so that the cable laying space is more and more dense, and the following risks exist:

1. the cable laying bending radius is too small, the external stress that the sheath received is too big, because low smoke and zero halogen sheath material hardness is great for there being halogen material to compare hardness, has the risk of sheath fracture.

2. The cable can generate heat when in work, the heat dissipation is difficult due to the dense space, and after the cable generates the heating phenomenon, if the fault is timely eliminated due to the fact that no reason is found, the insulation thermal breakdown phenomenon can be generated after the cable continuously runs in a power-on mode. The inter-phase short circuit tripping phenomenon of the cable is caused, and a fire disaster can be caused seriously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-cracking flexible cable for communication equipment, which is used for solving the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an anti fracture communication equipment flexible cable, includes the cable body, the cable body includes heart yearn, inner insulating layer, filling layer, outer insulating layer and oversheath layer, the inner insulating layer parcel is in the outside of heart yearn, the filling layer parcel is in the outside of inner insulating layer, the outer insulating layer parcel is in the outside of filling layer, the oversheath layer parcel is in the outside of outer insulating layer, the outside on oversheath layer is equipped with rotatory helicitic texture, the oversheath layer is equipped with a plurality of louvres.

Furthermore, the core wires are multiple, and the outer side of each core wire is provided with an inner insulating layer and then is arranged in the cable body through a stranded structure.

Further, the core wire is a silver-plated copper core wire.

Further, the inner insulating layer is a low-smoke halogen-free polyolefin insulating layer.

Further, the outer insulating layer is a low-smoke halogen-free high-flame-retardant wrapping tape.

Further, the filling layer is formed by filling polypropylene mesh fiber ropes between the inner insulating layer and the outer insulating layer.

Further, the outer sheath layer is made of a heat-sensitive material.

Further, a plurality of the heat dissipation holes are arrayed in a recess of the rotary thread structure of the outer sheath layer.

Further, the bending degree of the cable body is 2-3D, and D is the diameter of the cable body.

The utility model has the beneficial effects that:

1. the core wire is the silver-plated copper wire, so that the resistivity is low, the current-carrying capacity of the cable can be increased, and the heat generated during the operation of the cable is reduced;

2. the outer sheath layer of the rotary thread structure can reduce the bending radius of the cable and increase the flexibility of the cable, and is more suitable for dense radiation space in a communication machine room;

3. the plurality of heat dissipation holes are formed in the recess of the rotary thread structure of the outer sheath layer, and can increase the overall heat dissipation capacity of the cable;

4. the utility model provides an oversheath layer uses heat-sensitive insulating material to make, and when the high temperature, coefficient of heat conductivity increases for cable transfer heat speed.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the structure according to the present invention;

FIG. 2 is a schematic view of a heat dissipation hole according to the present invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1, the anti-cracking flexible cable for communication equipment includes a cable body, where the cable body includes a plurality of core wires 1, an inner insulating layer 2, a filling layer 3, an outer insulating layer 4, and an outer sheath layer 5, the inner insulating layer 2 wraps the core wires 1, the filling layer 3 wraps the inner insulating layer 2, the outer insulating layer 4 wraps the filling layer 3, and the outer sheath layer 5 wraps the outer insulating layer 4.

The core wire, the inner insulating layer, the filling layer, the outer insulating layer and the outer sheath layer jointly form the basic structure of the cable.

Further, referring to fig. 2, a rotary thread structure is disposed outside the outer sheath layer 5, and the outer sheath layer 5 is provided with a plurality of heat dissipation holes 6.

When the cable is specifically implemented, compared with a cable for a conventional communication power supply, the rotating thread structure of the outer sheath layer reduces the bending radius of the cable, the bending radius of the cable for the conventional communication power supply is 6-8 times of the diameter of the cable, and after the outer sheath of the flexible cable is of the rotating thread structure, the bending radius is changed to be 2-3 times of the diameter of the cable, so that the flexibility of the cable is increased, and importantly, the outer sheath is provided with a plurality of heat dissipation holes, and the integral heat dissipation capacity of the cable can be increased.

Furthermore, a plurality of core wires 1 are arranged, and an inner insulating layer 2 is arranged on the outer side of each core wire 1 and then arranged inside the cable body.

In one embodiment of the present application, three core wires are provided, and the three core wires are disposed inside the inner insulating layer in a twisted manner.

Furthermore, the three core wires 1 are twisted and arranged in a shape like a Chinese character pin. The conductive ability and the fastness of the core wire can be enhanced.

In specific implementation, the flexible cable can be a single-core cable, a double-core cable, a four-core cable or a five-core cable, and can be selected according to specific use environments and use requirements.

Further, the core wire 1 is a silver-plated copper core wire.

When the cable is specifically implemented, the core wire is the silver-plated copper wire, and compared with a conventional bare copper conductor, the conductor with the silver-plated copper wire has the advantages that the resistivity is reduced, larger current-carrying capacity can be borne in the sectional areas with the same specification, and the heating of the cable during working is reduced.

Further, the inner insulating layer 2 is a low smoke zero halogen polyolefin insulating layer.

When the core wire is specifically implemented, the inner insulating layer is tightly wrapped outside the core wire in an extruding and wrapping mode, the insulating effect of the inner insulating layer can be enhanced, and the core wire is safer in use. This application internal insulation layer adopts low smoke and zero halogen polyolefin to make, has high temperature resistant, the good effect of flame retardant efficiency, also can not produce the toxic gas of halogen-containing when the burning, and smog volume is little, relatively environmental protection.

Further, the filling layer 3 is formed by wrapping polypropylene mesh fiber ropes.

When concrete implementation, the filling layer of this application can improve the intensity of whole cable, and heat resistance is high, and thermal conductivity is excellent for the whole light in weight of cable, the volume of damming is big, uses characteristics such as light, safety, permanent.

Further, the outer insulating layer 4 is a low-smoke halogen-free high-flame-retardant wrapping tape.

When concrete implementation, the outside of the mode of this application through crowded package is closely wrapped up in the filling layer to the outer insulating layer, can prevent that the filling layer direct exposure from the radiating hole department, has guaranteed flexible cable's safe in utilization, has high temperature resistant, the good effect of flame retardant efficiency simultaneously, also can not produce halogenous toxic gas when the burning, and smog volume is little, relatively more environmental protection.

Further, the outer sheath layer 5 is made of a heat-sensitive insulating material.

When concrete implementation, the oversheath of this application adopts heat-sensitive insulating material to make, and the mode that can crowd the package is closely wrapped up the outer insulating layer is outside, and the oversheath of this application shows a colour in certain temperature range, more possesses the colour that shows according to the heat-sensitive oversheath and can judge electronic service temperature very directly perceivedly, and temperature monitoring is convenient, also need not and outer equipment input, and monitoring data is accurate. Whether the cable line is normal or not is judged through the color of the thermosensitive outer sheath, the reaction is more visual, and the safety and feasibility of the cable line are improved.

Further, a plurality of the heat dissipation holes 6 are arrayed in a recess of the rotational thread structure of the outer jacket layer 5.

In a specific implementation, the heat dissipation holes are round holes. However, in the specific production, the shape of the heat dissipation hole is not limited to a circle, and may be a long waist hole, a rectangle, or the like, and any hole that functions as a heat dissipation is within the scope of the present application.

Further, the bending degree of the cable body is 2-3D, and D is the diameter of the cable body.

In the concrete implementation, the whole of the outer sheath of the flexible cable adopts a rotary thread structure, so that the bending degree of the cable body is smaller.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (9)

1. The utility model provides an anti fracture communication equipment flexible cable, a serial communication port, including the cable body, the cable body includes heart yearn, inner insulating layer, filling layer, outer insulating layer and oversheath layer, the inner insulating layer parcel is in the outside of heart yearn, the filling layer parcel is in the outside of inner insulating layer, the outer insulating layer parcel is in the outside of filling layer, oversheath layer parcel is in the outside of outer insulating layer, rotatory helicitic texture is established to the outside of oversheath layer, the oversheath layer is equipped with a plurality of louvres.

2. The flexible cable as claimed in claim 1, wherein the core wires are provided in plurality, and each of the core wires is provided with an inner insulating layer on the outer side and arranged inside the cable body.

3. A crack resistant communications equipment flex cable as claimed in claim 2, wherein the core is a silver plated copper core.

4. The crack-resistant communications equipment flexible cable as claimed in claim 1, wherein the inner insulating layer is a low smoke zero halogen polyolefin insulating layer.

5. The crack-resistant flexible cable for communication equipment as claimed in claim 1, wherein the outer insulating layer is a low-smoke halogen-free high-flame-retardant wrapping tape.

6. The crack-resistant communications equipment flexible cable as claimed in claim 1, wherein the filling layer is a polypropylene mesh fiber rope filled between the inner insulating layer and the outer insulating layer.

7. A crack resistant telecommunications device flexible cable as claimed in claim 1, wherein the outer jacket layer is made of a thermally sensitive material.

8. The crack-resistant communications equipment flexible cable of claim 1, wherein a plurality of the heat dissipation apertures are arrayed in a recess of a rotational thread structure of the outer jacket layer.

9. The crack-resistant flexible cable for communication equipment as claimed in claim 1, wherein the bending degree of the cable body is 2-3D, and D is the diameter of the cable body.

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