CN208460470U - A kind of polyvinyl chloride cable that heat resistance is good - Google Patents

Abstract

The utility model discloses a kind of good polyvinyl chloride cables of heat resistance, including insulation sheath layer, the insulation sheath layer inner wall is socketed with thermal insulation layer, and thermal insulation layer inner wall is socketed with the first flame-retardant layer, the first flame-retardant layer inner wall is socketed with heat conductive pad, and heat conductive pad side outer wall is opened up there are five the first mounting hole, and five the first inner wall of the hole installing are plugged with exodermis, heat conductive pad side outer wall offers the second mounting hole, and second inner wall of the hole installing be plugged with clad, five exodermis inner walls are socketed with separation layer, and five separation layer inner walls are socketed with the second flame-retardant layer.The utility model avoids the temperature inside insulation sheath layer excessively high and Ignition Phenomena occurs, effectively improve safety when device uses, the temperature inside insulation sheath layer is influenced when avoiding ambient temperature excessively high, five pipeline windings or the excessive damage heat conductive pad of amount of movement and insulation sheath layer are avoided, the service life of insulation cable is effectively improved.

Description

A kind of polyvinyl chloride cable that heat resistance is good

Technical field

The utility model relates to the good polyvinyl chloride insulation electricity of insulated cable technical field more particularly to a kind of heat resistance Cable.

Background technique

Cable, it is considered that cable is made of the conductor outsourcing insulation of one or more mutually insulated and protective layer, will Electric power or information are transferred to the conducting wire at another place from one.The device for making medium transmission telecommunications number with metal is broadly referred to, Real, " electric wire " and " cable " there is no stringent boundaries.Usually by core number is few, product diameter is small, the simple product of structure is known as Electric wire, what is do not insulated is known as bare wire, and others are known as cable；Conductor cross sectional area biggish (being greater than 6 square millimeters) is known as Big electric wire, lesser (being less than or equal to 6 square millimeters) are known as small electric wire, and insulated electric conductor is also known as cotton covered wire, with electric power electricity The rapid development of cable buried-pipe laying engineering, to the requirements at the higher level that cable protection proposes, insulated cable heat resistance used at present Easily there is phenomenon on fire when in use in difference, and safety is low, cannot meet the requirements well.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of heat resistance proposed is good Polyvinyl chloride cable.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of polyvinyl chloride cable that heat resistance is good, including insulation sheath layer, the insulation sheath layer inner wall sleeve It is connected to thermal insulation layer, and thermal insulation layer inner wall is socketed with the first flame-retardant layer, the first flame-retardant layer inner wall is socketed with heat conductive pad, and thermally conductive Pad side outer wall is opened up there are five the first mounting hole, and five the first inner wall of the hole installing are plugged with exodermis, the heat conductive pad Side outer wall offers the second mounting hole, and the second inner wall of the hole installing is plugged with clad, and five exodermis inner walls cover It is connected to separation layer, and five separation layer inner walls are socketed with the second flame-retardant layer, five the second flame-retardant layer inner walls are socketed with Pipeline crust, and clad inner wall is socketed with reinforcing cable core.

Preferably, the quantity of the pipeline crust of five the second flame-retardant layer inner wall sockets is two to six, and is conveyed Line crust inner wall is respectively sleeved on ground wire, power line, control line, power supply line and signal wire.

Preferably, five exodermis outer walls are socketed with the same stabilizing bracket, and are arranged between two neighboring stabilizing bracket There is ten to one hundred cm clearance.

Preferably, the insulation sheath layer, thermal insulation layer and the first flame-retardant layer side outer wall offer spliced eye, and grafting Hole inner wall is plugged with heating column.

Preferably, the size for strengthening cable core is adapted with the size of clad, and strengthens cable core by cloth materials system At.

Preferably, five exodermises are equidistant is evenly distributed on inside heat conductive pad, and between two neighboring exodermis There are two to ten cm clearances.

The utility model has the following beneficial effects:

1. ground wire, power line, signal wire, power supply line and control line inside device make by being provided with heating column Used time can generate heat, and heat is absorbed by heat conductive pad, and the heat that heat conductive pad absorbs is dispersed into outside by heating column, avoid insulating Temperature inside exodermis is excessively high and Ignition Phenomena occurs, effectively improves safety when device uses.

2. device is outdoors in use, thermal insulation layer can be by extraneous heat and insulation sheath by being provided with thermal insulation layer Element inside layer is isolated, and the temperature inside insulation sheath layer is influenced when avoiding ambient temperature excessively high, effectively improves device Practicability.

3. by being provided with stabilizing bracket, five exodermis outer walls are firm every ten to one hundred centimetre of distance i.e. setting one Frame avoids five pipeline windings or the excessive damage heat conductive pad of amount of movement and insulation sheath layer, effectively improves insulation cable Service life.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of good polyvinyl chloride cable of heat resistance structural schematic diagram；

Fig. 2 be the utility model proposes a kind of good polyvinyl chloride cable of heat resistance heating column structural representation Figure；

Fig. 3 be the utility model proposes a kind of good polyvinyl chloride cable of heat resistance stabilizing bracket structural representation Figure.

In figure: 1 insulation sheath layer, 2 thermal insulation layers, 3 heating columns, 4 first flame-retardant layers, 5 heat conductive pads, 6 exodermises, 7 separation layers, Cable core, 15 power supplys are strengthened in 8 second flame-retardant layers, 9 pipeline crusts, 10 ground wires, 11 power lines, 12 control lines, 13 clads, 14 Line, 16 signal wires, 17 stabilizing brackets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, the good polyvinyl chloride cable of a kind of heat resistance, including insulation sheath layer 1, insulation sheath layer 1 inner wall is socketed with thermal insulation layer 2, and thermal insulation layer 2 is excessively high or when burning sun is exposed to the sun in ambient temperature, can will be inside insulation sheath layer 1 Component and extraneous heat be isolated, avoid the temperature of 1 temples of insulation sheath layer excessively high and Ignition Phenomena occur, and every 2 inner wall of thermosphere is socketed with the first flame-retardant layer 4, and 4 inner wall of the first flame-retardant layer is socketed with heat conductive pad 5, and 5 side outer wall of heat conductive pad opens up There are five the first mounting hole, and five the first inner wall of the hole installing are plugged with exodermis 6, and 5 side outer wall of heat conductive pad offers the Two mounting holes, and the second inner wall of the hole installing is plugged with clad 13, five 6 inner walls of exodermis are socketed with separation layer 7, and five 7 inner wall of separation layer is socketed with the second flame-retardant layer 8, and five 8 inner walls of the second flame-retardant layer are socketed with pipeline crust 9, and coat 13 inner wall of layer, which are socketed with, strengthens cable core 14.

In the utility model, the quantity of the pipeline crust 9 of five 8 inner walls of the second flame-retardant layer socket is two to six, and 9 inner wall of pipeline crust is respectively sleeved on ground wire 10, power line 11, control line 12, power supply line 15 and signal wire 16, five crusts 6 outer wall of layer are socketed with the same stabilizing bracket 17, and ten to one hundred cm clearance is provided between two neighboring stabilizing bracket 17, and five A stabilizing bracket 17, position of the stabilizing bracket 17 to five pipelines is arranged every ten to one hundred centimetre of distance in 6 outer wall of exodermis It sets and is consolidated, insulation sheath layer 1, thermal insulation layer 2 and 4 side outer wall of the first flame-retardant layer offer spliced eye, and in spliced eye Wall is plugged with heating column 3, ground wire 10, power line 11, signal wire 16, power supply line 15 and control line inside insulation sheath layer 1 12 can generate heat when in use, and heat is absorbed by heat conductive pad 5, and the heat that heat conductive pad 5 absorbs is dispersed into insulation by heating column 3 Outside exodermis, ground wire 10, power line 11, signal wire 16, power supply line 15 and 12 quantity of control line are two to eight, and two It is located in five the second flame-retardant layers 8 to eight ground wires 10, power line 11, signal wire 16, power supply line 15 and control line 12 Wall, the size for strengthening cable core 14 are adapted with the size of clad, and are strengthened cable core 14 and be made of cloth materials, and strengthen cable core 14 with a thickness of five to five ten millimeters, five exodermises 6 are equidistant to be evenly distributed on inside heat conductive pad 5, and two neighboring crust There are two to ten cm clearances between layer 6.

Working principle: the use environment of cable is generally open air, and 1 inner wall of insulation sheath layer is socketed with thermal insulation layer 2, thermal insulation layer 2 is excessively high or when burning sun is exposed to the sun in ambient temperature, can by inside insulation sheath layer 1 component and extraneous heat carry out every From, it avoids the temperature of 1 temples of insulation sheath layer excessively high and Ignition Phenomena occurs, ground wire 10, power line inside insulation sheath layer 1 11, signal wire 16, power supply line 15 and control line 12 can generate heat when in use, and heat is absorbed by heat conductive pad 5, heat conductive pad 5 The heat of absorption is dispersed into outside insulation sheath layer by heating column 3, five 6 outer walls of exodermis every ten to one hundred centimetre away from From a stabilizing bracket 17 is arranged, stabilizing bracket 17 consolidates the position of five pipelines.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of good polyvinyl chloride cable of heat resistance, including insulation sheath layer (1), which is characterized in that the insulation Exodermis (1) inner wall is socketed with thermal insulation layer (2), and thermal insulation layer (2) inner wall is socketed with the first flame-retardant layer (4), and described first is fire-retardant Layer (4) inner wall is socketed with heat conductive pad (5), and heat conductive pad (5) side outer wall is opened up there are five the first mounting hole, and five first peaces Dress hole inner wall is plugged with exodermis (6), and heat conductive pad (5) side outer wall offers the second mounting hole, and the second mounting hole Inner wall is plugged with clad (13), and five exodermis (6) inner walls are socketed with separation layer (7), and in five separation layers (7) Wall is socketed with the second flame-retardant layer (8), and five the second flame-retardant layer (8) inner walls are socketed with pipeline crust (9), and is coated Layer (13) inner wall, which is socketed with, strengthens cable core (14).

2. a kind of good polyvinyl chloride cable of heat resistance according to claim 1, which is characterized in that described in five The quantity of the pipeline crust (9) of second flame-retardant layer (8) inner wall socket is two to six, and pipeline crust (9) inner wall is distinguished It is socketed with ground wire (10), power line (11), control line (12), power supply line (15) and signal wire (16).

3. a kind of good polyvinyl chloride cable of heat resistance according to claim 1, which is characterized in that described in five Exodermis (6) outer wall is socketed with the same stabilizing bracket (17), and ten to one hundred li is provided between two neighboring stabilizing bracket (17) Rice gap.

4. a kind of good polyvinyl chloride cable of heat resistance according to claim 1, which is characterized in that the insulation Exodermis (1), thermal insulation layer (2) and the first flame-retardant layer (4) side outer wall offer spliced eye, and spliced eye inner wall is plugged with and leads Plume (3).

5. a kind of good polyvinyl chloride cable of heat resistance according to claim 1, which is characterized in that the reinforcing The size of cable core (14) is adapted with the size of clad, and is strengthened cable core (14) and be made of cloth materials.

6. a kind of good polyvinyl chloride cable of heat resistance according to claim 1, which is characterized in that described in five Exodermis (6) is equidistant to be evenly distributed on heat conductive pad (5) inside, and there are two to ten centimetres between two neighboring exodermis (6) Gap.