CN218275949U

CN218275949U - Self-heating constant temperature special cable

Info

Publication number: CN218275949U
Application number: CN202222677180.XU
Authority: CN
Inventors: 张忠江; 张忠祥; 张晓军; 赵爱媛; 张琴
Original assignee: Anhui Tiansheng Instrument Cable Co ltd
Current assignee: Anhui Tiansheng Instrument Cable Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-10
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a self-heating constant temperature special type cable in cable technical field, include: a wire core assembly; heating mechanism, heating mechanism sets up on the circumference lateral wall of sinle silk subassembly, heating mechanism sets up including with the axle center heat conduction cover on the sinle silk subassembly circumference lateral wall and be the heliciform and set up electric heating wire mounting groove on the heat conduction cover circumference lateral wall, the inner chamber of electric heating wire mounting groove is coiled electric heating wire, temperature control device is installed to electric heating wire's power input end, temperature control device comprises PLC controller and relay, the PLC controller with temperature sensor electric connection, the PLC controller with relay electric connection, the utility model discloses carefully you heat the cable through electric heating wire, can ensure the temperature of cable under the extremely cold weather, prevent that the temperature from crossing excessively to lead to the fact the rubber materials sheath to become fragile, can effectively avoid the production of electric power accident.

Description

Self-heating constant temperature special cable

Technical Field

The utility model relates to the technical field of cables, specifically be a self-heating constant temperature special type cable.

Background

The special cable is a special cable which has special purposes and can be used in special occasions. The service environment of special cables is generally severe, such as an extremely cold environment, an extremely hot environment and a strong corrosive environment.

Except the inside sinle silk, all the other parts of current cable are mostly the rubber spare basically, and the rubber spare is very easily fragile under extremely cold weather, and will damage when receiving external force impact a little after the rubber becomes fragile, and the damage of rubber spare can lead to setting up in the inside sinle silk of rubber spare exposes in the air, very easily causes the production of electric power accident.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-heating constant temperature special type cable to current cable that proposes in solving above-mentioned background art is except inside sinle silk, and all the other parts are mostly rubber spare basically, and the rubber spare is very easily fragile under extremely cold weather, and will be damaged when receiving external force impact a little after the rubber becomes fragile, and the damage of rubber spare can lead to setting up in the inside sinle silk of rubber spare exposes in the air, very easily causes the problem of the production of electric power accident.

In order to achieve the above purpose, the utility model provides a following technical scheme: a self-heating constant temperature specialty cable comprising:

a wire core assembly;

heating mechanism, heating mechanism sets up on the circumference lateral wall of sinle silk subassembly, heating mechanism includes and sets up with the axle center heat conduction cover on the sinle silk subassembly circumference lateral wall and be the heliciform and set up electric heating wire mounting groove on the heat conduction cover circumference lateral wall, electric heating wire has been coiled to the inner chamber of electric heating wire mounting groove.

Preferably, the sinle silk subassembly includes three intertwine sinle silk and cup joints inner sheath on the sinle silk circumference lateral wall.

Preferably, the flame-retardant heat conducting sleeve further comprises a flame-retardant layer coaxially arranged on the circumferential outer side wall of the inner sheath and arranged in the inner cavity of the heat conducting sleeve.

Preferably, the heat conducting sleeve further comprises a fully transparent outer sheath coaxially arranged on the outer circumferential side wall of the heat conducting sleeve.

Preferably, the circumferential outer side wall of the heat conduction sleeve is coated with a heat absorption coating.

Preferably, temperature sensors are arranged between the flame-retardant layer and the heat-conducting sleeve and between the heat-conducting sleeve and the fully transparent outer sheath.

Preferably, temperature control device is installed to electric heating wire's power input end, temperature control device comprises PLC controller and relay, the PLC controller with temperature sensor electric connection, the PLC controller with relay electric connection, the relay with electric heating wire power input end electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of self-heating constant temperature special type cable heats the cable through the electrical heating silk, can guarantee the temperature of cable under extremely cold weather, prevents that the temperature from crossing low to cause rubber material sheath to become fragile, can effectively avoid the production of electric power accident.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the core assembly of the present invention;

fig. 3 is a schematic view of the structure of the heating mechanism of the present invention.

In the figure: 100 sinle silk subassemblies, 110 sinle silks, 120 inner sheaths, 200 fire-retardant layers, 300 heating mechanism, 310 heat conduction cover, 320 electric heating wire mounting grooves, 400 full transparent oversheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

The utility model provides a self-heating constant temperature special type cable heats the cable through the electrical heating silk, can guarantee the temperature of cable under extremely cold weather, prevents that the temperature from crossing low excessively to cause the rubber materials sheath to become fragile, can effectively avoid the production of electric power accident, please refer to figure 1, include: the cable core assembly 100, the flame-retardant layer 200, the heating mechanism 300 and the fully transparent outer sheath 400;

referring to fig. 1-2, the core assembly 100 includes three mutually wound cores 110 and an inner sheath 120 sleeved on the outer circumferential sidewall of the cores 110;

referring to fig. 1-2 again, the heat-conducting cable further includes a flame-retardant layer 200 coaxially disposed on the outer circumferential sidewall of the inner sheath 120 and disposed in the inner cavity of the heat-conducting sheath 310, the flame-retardant layer is made of flame-retardant rubber and heat-conducting silica gel, the flame-retardant rubber has a flame-retardant effect, so that the spread of a fire disaster can be organized when the fire disaster occurs, heat is conducted through the heat-conducting silica gel, heat is transferred to the inner sheath 120, the inner sheath 120 is heated, the inner sheath 120 is prevented from becoming brittle in extremely cold weather, and the exposure of the core 110 due to the cracking of the inner sheath 120 is avoided, thereby causing a power accident;

referring to fig. 1 and 3, the heating mechanism 300 is disposed on the outer circumferential wall of the wire core assembly 100, the heating mechanism 300 includes a heat-conducting sleeve 310 coaxially disposed on the outer circumferential wall of the wire core assembly 100, and an electric-heating-wire mounting groove 320 spirally disposed on the outer circumferential wall of the heat-conducting sleeve 310, an electric heating wire is wound in an inner cavity of the electric-heating-wire mounting groove 320, a heat-absorbing coating is coated on the outer circumferential wall of the heat-conducting sleeve 310, and further includes a fully-transparent outer sheath 400 coaxially disposed on the outer circumferential wall of the heat-conducting sleeve 310, a temperature sensor is disposed between the flame-retardant layer 200 and the heat-conducting sleeve 310, and between the heat-conducting sleeve 310 and the fully-transparent outer sheath 400, a temperature control device is disposed at a power input end of the electric heating wire, the temperature control device is composed of a PLC controller and a relay, the PLC controller is electrically connected with the temperature sensor, the PLC controller is electrically connected with the relay, and the power input end of the electric heating wire is electrically connected with the power input end of the electric heating wire, the heat conducting sleeve 310 is heat conducting silica gel which can transmit temperature, and the heat conducting silica gel also has electrical insulation, and can effectively avoid electric power accidents caused by electric power leakage, the relay is connected with an external power supply, the temperature of the rubber part on the cable is measured through the temperature sensor, when the temperature is lower than a set minimum value, the PLC controller controls the relay to be switched on the power supply of the electric heating wire, the electric heating wire is electrified to start heating, the temperature is transmitted to the flame-retardant layer 200 and the fully transparent outer sheath 400 through the heat conducting sleeve 310 to heat the flame-retardant layer 200 and the fully transparent outer sheath, the situation that the flame-retardant layer 200 and the fully transparent outer sheath 400 are embrittled in extreme cold weather can be effectively avoided, the damage of the cable caused by the cracking of the flame-retardant layer 200 and the fully transparent outer sheath 400 is avoided, the service life of the cable is effectively prolonged, when the temperature sensor detects that the temperature of the rubber part on the cable is higher than the set maximum value, the power supply of the electric heating wire is disconnected through the PLC controller, the temperature can be effectively controlled in a certain range, the damage of rubber parts on a cable caused by overhigh temperature is avoided, a heat absorption coating is coated on the heat conduction sleeve 310, the fully transparent outer sheath 400 is a fully transparent rubber part, when sunlight irradiates the fully transparent outer sheath 400, solar radiation is absorbed through the heat absorption coating, the heat conduction sleeve 310 is heated through solar radiation, the temperature is transmitted to the flame-retardant layer 200 and the fully transparent outer sheath 400 through the heat conduction sleeve 310, the flame-retardant layer 200 and the fully transparent outer sheath 400 can be subjected to non-electric heating in the sunshine weather, the electric heating wire is assisted through solar energy, and the use of electric energy is saved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a self-heating constant temperature special type cable which characterized in that: the method comprises the following steps:

a wire core assembly (100);

heating mechanism (300), heating mechanism (300) sets up on the circumference lateral wall of sinle silk subassembly (100), heating mechanism (300) sets up including with the axle center heat conduction cover (310) on sinle silk subassembly (100) circumference lateral wall and be the heliciform and set up electric heating wire mounting groove (320) on heat conduction cover (310) circumference lateral wall, the inner chamber of electric heating wire mounting groove (320) is coiled there is electric heating wire.

2. A self-heating thermostatic specialty cable as claimed in claim 1 wherein: the wire core assembly (100) comprises three wire cores (110) which are wound with each other and an inner sheath (120) sleeved on the outer circumferential side wall of each wire core (110).

3. A self-heating thermostatic specialty cable as claimed in claim 2 wherein: the flame-retardant heat conducting sleeve further comprises a flame-retardant layer (200) coaxially arranged on the circumferential outer side wall of the inner sheath (120) and arranged in the inner cavity of the heat conducting sleeve (310).

4. A self-heating constant temperature specialty cable as claimed in claim 3 wherein: the heat conducting sleeve further comprises a fully transparent outer sheath (400) coaxially arranged on the outer circumferential side wall of the heat conducting sleeve (310).

5. The self-heating constant temperature special cable according to claim 4, characterized in that: the circumferential outer side wall of the heat conduction sleeve (310) is coated with a heat absorption coating.

6. A self-heating constant temperature specialty cable as claimed in claim 5 wherein: temperature sensors are arranged between the flame-retardant layer (200) and the heat-conducting sleeve (310) and between the heat-conducting sleeve (310) and the fully transparent outer sheath (400).

7. A self-heating thermostatic specialty cable of claim 6 wherein: temperature control device is installed to electric heating wire's power input end, temperature control device comprises PLC controller and relay, the PLC controller with temperature sensor electric connection, the PLC controller with relay electric connection, the relay with electric heating wire power input end electric connection.