CN213277577U

CN213277577U - Circulating low-temperature superconducting fireproof low-voltage power cable

Info

Publication number: CN213277577U
Application number: CN202021465665.7U
Authority: CN
Inventors: 董宏朝
Original assignee: Tianzhengtai Cable Technology Co ltd
Current assignee: Tianzhengtai Cable Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-05-25
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a circulating low-temperature superconducting fireproof low-voltage power cable, wherein an outer rubber coating is sleeved outside a lead, a super heat-conducting layer is sleeved outside the outer rubber coating, an inner waterproof layer is sleeved outside the super heat-conducting layer, a cooling layer is sleeved outside the inner waterproof layer, a circulating low-temperature cooling pipe is arranged in the cooling layer, a liquid inlet and a liquid outlet are arranged on the circulating low-temperature cooling pipe, an outer waterproof layer is sleeved outside the cooling layer, a fireproof layer is sleeved outside the outer waterproof layer, a metal layer is sleeved outside the fireproof layer, a protective sleeve is sleeved outside the metal layer, a temperature detection device in the cable comprises a temperature sensor and a wireless transceiver module, the temperature sensor senses temperature information of the super heat-conducting layer and transmits the information to an external wireless monitoring system through the wireless transceiver module, if the temperature reaches a certain value, the system sends a control signal, so as to cool and radiate the heat conducted by the super heat conduction layer.

Description

Circulating low-temperature superconducting fireproof low-voltage power cable

Technical Field

The utility model relates to the technical field of cables, specifically a circulation low temperature superconductive fire prevention low pressure power cable.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another. Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. The cable is composed of single-strand or multi-strand wires and an insulating layer and is used for connecting a circuit, an electric appliance and the like, the cable can generate heat after being used for a long time, if the temperature is too high, the cable can be damaged, but the existing cable does not have the temperature reduction function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulation low temperature superconductive fire prevention low pressure power cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circulation low temperature superconductive fire prevention low pressure power cable, includes a plurality of wires, the outside cover of wire is equipped with outsourcing rubber, the outside cover of outsourcing rubber is equipped with super heat-conducting layer, the outside cover of super heat-conducting layer is equipped with interior waterproof layer, the outside cover of interior waterproof layer is equipped with the cooling layer, be equipped with circulation low temperature cooling pipe in the cooling layer, be equipped with inlet and liquid outlet on the circulation low temperature cooling pipe, the outside cover of cooling layer is equipped with outer waterproof layer, the outside cover of outer waterproof layer is equipped with the flame retardant coating, the outside cover of flame retardant coating is equipped with the metal level, the outside.

Furthermore, a temperature detection device is arranged in the super heat conduction layer, and the temperature detection device comprises a temperature sensor and a wireless transceiver module.

Furthermore, a gap is formed between the outer rubber coating and the super heat conduction layer, and liquid nitrogen slurry is filled in the gap.

Further, the wire is a copper core wire.

Further, the super heat conduction layer is made of ceramic alumina material.

Furthermore, the outer rubber cover is made of polyvinyl chloride.

Further, the metal layer is made of stainless steel metal material.

Furthermore, the circulating low-temperature cooling pipe is in a spiral design and is wound outside the super heat-conducting layer

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of cable is through the setting of super heat-conducting layer for the temperature that the wire produced can conduct to super heat-conducting layer department, be equipped with temperature-detecting device in the super heat-conducting layer, temperature-detecting device includes temperature sensor and wireless transceiver module, through the super heat-conducting layer temperature information of temperature sensor response, and pass to outside wireless monitoring system with information through wireless transceiver module, if the temperature reaches a definite value, this system sends control signal control inlet and intakes, in order to cool down the heat dissipation to the heat of super heat-conducting layer conduction.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the temperature detection device of the present invention.

In the reference symbols: 1. a wire; 2. wrapping rubber; 3. a superconductive layer; 4. an inner waterproof layer; 5. a cooling layer; 6. a circulating low-temperature cooling tube; 7. a liquid inlet; 8. a liquid outlet; 9. an outer waterproof layer; 10. a fire barrier layer; 11. a metal layer; 12. a protective sleeve; 13. a temperature detection device; 14. a temperature sensor; 15. a wireless transceiver module; 16. and (3) liquid nitrogen slurry.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a circulation low temperature superconductive fire prevention low pressure power cable, including a plurality of wires 1, the outside cover of wire 1 is equipped with outsourcing rubber 2, the outside cover of outsourcing rubber 2 is equipped with super heat-conducting layer 3, the outside cover of super heat-conducting layer 3 is equipped with interior waterproof layer 4, the outside cover of interior waterproof layer 4 is equipped with cooling layer 5, be equipped with circulation low-temperature cooling pipe 6 in the cooling layer 5, be equipped with inlet 7 and liquid outlet 8 on the circulation low-temperature cooling pipe 6, the outside cover of cooling layer 5 is equipped with outer waterproof layer 9, the outside cover of outer waterproof layer 9 is equipped with flame retardant coating 10, the outside cover of flame retardant coating 10 is equipped with.

Be equipped with temperature-detecting device 13 in super heat-conducting layer 3, temperature-detecting device 13 includes temperature sensor 14 and

wireless transceiver module

15, and 3 temperature information of heat-conducting layer are surpassed in the response of temperature sensor 14 to in passing through wireless transceiver module 15 with information and passing to outside wireless monitoring system, if the temperature reaches a definite value, this system sends control signal control inlet 7 and intakes.

A gap is formed between the outer rubber coating 2 and the super heat conduction layer 3, liquid nitrogen slurry 16 is filled in the gap, and the liquid nitrogen slurry 16 plays a role in cooling and fire prevention for the lead 1.

The wire 1 is a copper core wire, and the heat conduction efficiency of the copper material is higher.

The super heat conducting layer 3 is made of ceramic alumina material, and the material has high melting point, high hardness and excellent wear resistance.

The outer rubber 2 is made of polyvinyl chloride, and has the advantages of flame retardance, high chemical resistance, and good mechanical strength and electrical insulation.

The metal layer 11 is made of stainless steel metal material, which enhances the strength of the cable.

The working principle is as follows: protective sheath 12 and metal level 11 in this kind of cable have increased the proof strength for it, setting up through super heat-conducting layer 3 can make the heat conduction of wire to super heat-conducting layer 3 department, be equipped with temperature-detecting device 13 in the super heat-conducting layer 3, temperature-detecting device 13 includes temperature sensor 14 and wireless transceiver module 15, super heat-conducting layer temperature information is responded to through temperature sensor 14, and pass through wireless transceiver module 15 with information and reach outside wireless monitoring system, if the temperature reaches a definite value, this system sends control signal control inlet 7 and intakes, cool down the heat dissipation with the heat of conducting to super heat-conducting layer 3, be equipped with the clearance between outer rubber 2 and the super heat-conducting layer 3, the clearance intussuseption is filled with liquid nitrogen slurry 16, liquid nitrogen slurry 16 plays the effect of cooling fire prevention to wire 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A circulating low-temperature superconducting fireproof low-voltage power cable is characterized in that: including a plurality of wires (1), the outside cover of wire (1) is equipped with outsourcing rubber (2), the outside cover of outsourcing rubber (2) is equipped with super heat-conducting layer (3), the outside cover that surpasses heat-conducting layer (3) is equipped with interior waterproof layer (4), the outside cover of interior waterproof layer (4) is equipped with cooling layer (5), be equipped with circulation low-temperature cooling pipe (6) in cooling layer (5), be equipped with inlet (7) and liquid outlet (8) on circulation low-temperature cooling pipe (6), the outside cover of cooling layer (5) is equipped with outer waterproof layer (9), the outside cover of outer waterproof layer (9) is equipped with flame retardant coating (10), the outside cover of flame retardant coating (10) is equipped with metal level (11), the outside cover of metal level (11) is equipped with lag (12.

2. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: be equipped with temperature-detecting device (13) in super heat-conducting layer (3), temperature-detecting device (13) are including temperature sensor (14) and wireless transceiver module (15).

3. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: a gap is arranged between the outer rubber coating (2) and the super heat conduction layer (3), and liquid nitrogen slurry (16) is filled in the gap.

4. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: the lead (1) is a copper core lead.

5. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: the super heat conducting layer (3) is made of ceramic aluminum oxide material.

6. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: the outer rubber (2) is made of polyvinyl chloride.

7. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: the metal layer (11) is made of stainless steel metal material.

8. The circulating low-temperature superconducting fireproof low-voltage power cable according to claim 1, wherein: the circulating low-temperature cooling pipe (6) is in a spiral design and is wound outside the super heat conduction layer (3).